Second Life viewer sources 1.15.0.2

158 files changed, 5907 insertions, 3110 deletions

diff --git a/linden/indra/llmessage/files.lst b/linden/indra/llmessage/files.lst
index 2ff3771..456dffe 100644
--- a/linden/indra/llmessage/files.lst
+++ b/linden/indra/llmessage/files.lst
@@ -14,6 +14,7 @@ llmessage/llhost.cpp
 llmessage/llhttpassetstorage.cpp
 llmessage/llhttpclient.cpp
 llmessage/llhttpnode.cpp
+llmessage/llhttpsender.cpp
 llmessage/llinstantmessage.cpp
 llmessage/lliobuffer.cpp
 llmessage/lliohttpserver.cpp
@@ -22,6 +23,10 @@ llmessage/lliosocket.cpp
 llmessage/llioutil.cpp
 llmessage/lllogtextmessage.cpp
 llmessage/llmail.cpp
+llmessage/llmessagebuilder.cpp
+llmessage/llmessageconfig.cpp
+llmessage/llmessagereader.cpp
+llmessage/llmessagetemplate.cpp
 llmessage/llmessagethrottle.cpp
 llmessage/llmime.cpp
 llmessage/llnamevalue.cpp
@@ -32,10 +37,14 @@ llmessage/llpartdata.cpp
 llmessage/llpumpio.cpp
 llmessage/llsdappservices.cpp
 llmessage/llsdhttpserver.cpp
-llmessage/llsdmessagesystem.cpp
+llmessage/llsdmessagereader.cpp
+llmessage/llsdmessagebuilder.cpp
 llmessage/llsdrpcclient.cpp
 llmessage/llsdrpcserver.cpp
 llmessage/llservice.cpp
+llmessage/llservicebuilder.cpp
+llmessage/lltemplatemessagebuilder.cpp
+llmessage/lltemplatemessagereader.cpp
 llmessage/llthrottle.cpp
 llmessage/lltransfermanager.cpp
 llmessage/lltransfersourceasset.cpp
diff --git a/linden/indra/llmessage/llassetstorage.cpp b/linden/indra/llmessage/llassetstorage.cpp
index a8cd0e5..4f4fc0c 100644
--- a/linden/indra/llmessage/llassetstorage.cpp
+++ b/linden/indra/llmessage/llassetstorage.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -434,20 +435,21 @@ void LLAssetStorage::getAssetData(const LLUUID uuid, LLAssetType::EType type, vo
                                 if (callback == tmp->mDownCallback && user_data == tmp->mUserData)
                                 {
                                         // this is a duplicate from the same subsystem - throw it away
-                                        llinfos << "Discarding duplicate request for UUID " << uuid << llendl;
+                                        llwarns << "Discarding duplicate request for asset " << uuid
+                                                        << "." << LLAssetType::lookup(type) << llendl;
                                         return;
                                 }
-                                else
-                                {
-                                        llinfos << "Adding additional non-duplicate request for UUID " << uuid << llendl;
-                                }
                                 
                                 // this is a duplicate request
                                 // queue the request, but don't actually ask for it again
                                 duplicate = TRUE;
-                                break;
                         }
                 }
+                if (duplicate)
+                {
+                        llinfos << "Adding additional non-duplicate request for asset " << uuid 
+                                        << "." << LLAssetType::lookup(type) << llendl;
+                }
                 
                 // This can be overridden by subclasses
                 _queueDataRequest(uuid, type, callback, user_data, duplicate, is_priority);     
@@ -1272,7 +1274,7 @@ void LLAssetStorage::legacyGetDataCallback(LLVFS *vfs, const LLUUID &uuid, LLAss
                 char uuid_str[UUID_STR_LENGTH]; /* Flawfinder: ignore */ 
 
                 uuid.toString(uuid_str);
-                snprintf(filename,sizeof(filename),"%s.%s",gDirUtilp->getExpandedFilename(LL_PATH_CACHE,uuid_str).c_str(),LLAssetType::lookup(type));   /* Flawfinder: ignore */ 
+                snprintf(filename,sizeof(filename),"%s.%s",gDirUtilp->getExpandedFilename(LL_PATH_CACHE,uuid_str).c_str(),LLAssetType::lookup(type));   /* Flawfinder: ignore */
 
                 FILE* fp = LLFile::fopen(filename, "wb");       /* Flawfinder: ignore */ 
                 if (fp)
diff --git a/linden/indra/llmessage/llassetstorage.h b/linden/indra/llmessage/llassetstorage.h
index 639ab59..3c7a709 100644
--- a/linden/indra/llmessage/llassetstorage.h
+++ b/linden/indra/llmessage/llassetstorage.h
@@ -5,6 +5,7 @@
  *
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llblowfishcipher.cpp b/linden/indra/llmessage/llblowfishcipher.cpp
index f9a68ab..1772078 100644
--- a/linden/indra/llmessage/llblowfishcipher.cpp
+++ b/linden/indra/llmessage/llblowfishcipher.cpp
@@ -7,6 +7,7 @@
  *
  * Copyright (c) 2007-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -84,27 +85,33 @@ U32 LLBlowfishCipher::encrypt(const U8* src, U32 src_len, U8* dst, U32 dst_len)
                 << " iv_len " << iv_length
                 << llendl;
 
-    int output_len = 0;
-    if (!EVP_EncryptUpdate(&context,
-                dst,
-                &output_len,
-                src,
-                src_len))
-    {
-        llwarns << "LLBlowfishCipher::encrypt EVP_EncryptUpdate failure" << llendl;
-        return 0;
-    }
-
-        // There may be some final data left to encrypt if the input is
-        // not an exact multiple of the block size.
-    int temp_len = 0;
-    if (!EVP_EncryptFinal_ex(&context, (unsigned char*)(dst + output_len), &temp_len))
-    {
-        llwarns << "LLBlowfishCipher::encrypt EVP_EncryptFinal failure" << llendl;
-        return 0;
-    }
-    output_len += temp_len;
-        return output_len;
+        int output_len = 0;

+        int temp_len = 0;

+        if (!EVP_EncryptUpdate(&context,

+                        dst,

+                        &output_len,

+                        src,

+                        src_len))

+        {

+                llwarns << "LLBlowfishCipher::encrypt EVP_EncryptUpdate failure" << llendl;

+                goto ERROR;

+        }

+

+        // There may be some final data left to encrypt if the input is

+        // not an exact multiple of the block size.

+        if (!EVP_EncryptFinal_ex(&context, (unsigned char*)(dst + output_len), &temp_len))

+        {

+                llwarns << "LLBlowfishCipher::encrypt EVP_EncryptFinal failure" << llendl;

+                goto ERROR;

+        }

+        output_len += temp_len;

+

+        EVP_CIPHER_CTX_cleanup(&context);

+        return output_len;

+

+ERROR:

+        EVP_CIPHER_CTX_cleanup(&context);

+        return 0;

 }
 
 // virtual
diff --git a/linden/indra/llmessage/llblowfishcipher.h b/linden/indra/llmessage/llblowfishcipher.h
index 2557598..0ba1473 100644
--- a/linden/indra/llmessage/llblowfishcipher.h
+++ b/linden/indra/llmessage/llblowfishcipher.h
@@ -7,6 +7,7 @@
  *
  * Copyright (c) 2007-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llbuffer.cpp b/linden/indra/llmessage/llbuffer.cpp
index 3dd34a0..ad822bc 100644
--- a/linden/indra/llmessage/llbuffer.cpp
+++ b/linden/indra/llmessage/llbuffer.cpp
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -84,24 +85,44 @@ S32 LLSegment::size() const
         return mSize;
 }
 
+bool LLSegment::operator==(const LLSegment& rhs) const
+{
+        if((mData != rhs.mData)||(mSize != rhs.mSize)||(mChannel != rhs.mChannel))
+        {
+                return false;
+        }
+        return true;
+}
 
 /** 
  * LLHeapBuffer
  */
-LLHeapBuffer::LLHeapBuffer() 
+LLHeapBuffer::LLHeapBuffer() :
+        mBuffer(NULL),
+        mSize(0),
+        mNextFree(NULL),
+        mReclaimedBytes(0)
 {
         LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
         const S32 DEFAULT_HEAP_BUFFER_SIZE = 16384;
         allocate(DEFAULT_HEAP_BUFFER_SIZE);
 }
 
-LLHeapBuffer::LLHeapBuffer(S32 size)
+LLHeapBuffer::LLHeapBuffer(S32 size) :
+        mBuffer(NULL),
+        mSize(0),
+        mNextFree(NULL),
+        mReclaimedBytes(0)
 {
         LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
         allocate(size);
 }
 
-LLHeapBuffer::LLHeapBuffer(const U8* src, S32 len)
+LLHeapBuffer::LLHeapBuffer(const U8* src, S32 len) :
+        mBuffer(NULL),
+        mSize(0),
+        mNextFree(NULL),
+        mReclaimedBytes(0)
 {
         LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
         if((len > 0) && src)
@@ -112,12 +133,6 @@ LLHeapBuffer::LLHeapBuffer(const U8* src, S32 len)
                         memcpy(mBuffer, src, len);      /*Flawfinder: ignore*/
                 }
         }
-        else
-        {
-                mBuffer = NULL;
-                mSize = 0;
-                mNextFree = NULL;
-        }
 }
 
 // virtual
@@ -130,11 +145,10 @@ LLHeapBuffer::~LLHeapBuffer()
         mNextFree = NULL;
 }
 
-// virtual
-//S32 LLHeapBuffer::bytesLeft() const
-//{
-//      return (mSize - (mNextFree - mBuffer));
-//}
+S32 LLHeapBuffer::bytesLeft() const
+{
+        return (mSize - (mNextFree - mBuffer));
+}
 
 // virtual
 bool LLHeapBuffer::createSegment(
@@ -158,9 +172,47 @@ bool LLHeapBuffer::createSegment(
         return true;
 }
 
+// virtual
+bool LLHeapBuffer::reclaimSegment(const LLSegment& segment)
+{
+        if(containsSegment(segment))
+        {
+                mReclaimedBytes += segment.size();
+                if(mReclaimedBytes == mSize)
+                {
+                        // We have reclaimed all of the memory from this
+                        // buffer. Therefore, we can reset the mNextFree to the
+                        // start of the buffer, and reset the reclaimed bytes.
+                        mReclaimedBytes = 0;
+                        mNextFree = mBuffer;
+                }
+                else if(mReclaimedBytes > mSize)
+                {
+                        llwarns << "LLHeapBuffer reclaimed more memory than allocated."
+                                << " This is probably programmer error." << llendl;
+                }
+                return true;
+        }
+        return false;
+}
+
+// virtual
+bool LLHeapBuffer::containsSegment(const LLSegment& segment) const
+{
+        // *NOTE: this check is fairly simple because heap buffers are
+        // simple contiguous chunks of heap memory.
+        if((mBuffer > segment.data())
+           || ((mBuffer + mSize) < (segment.data() + segment.size())))
+        {
+                return false;
+        }
+        return true;
+}
+
 void LLHeapBuffer::allocate(S32 size)
 {
         LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
+        mReclaimedBytes = 0;    
         mBuffer = new U8[size];
         if(mBuffer)
         {
@@ -199,6 +251,18 @@ LLChannelDescriptors LLBufferArray::nextChannel()
         return rv;
 }
 
+S32 LLBufferArray::capacity() const
+{
+        S32 total = 0;
+        const_buffer_iterator_t iter = mBuffers.begin();
+        const_buffer_iterator_t end = mBuffers.end();
+        for(; iter != end; ++iter)
+        {
+                total += (*iter)->capacity();
+        }
+        return total;
+}
+
 bool LLBufferArray::append(S32 channel, const U8* src, S32 len)
 {
         LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
@@ -703,14 +767,31 @@ LLBufferArray::segment_iterator_t LLBufferArray::makeSegment(
         return send;
 }
 
-bool LLBufferArray::eraseSegment(const segment_iterator_t& iter)
+bool LLBufferArray::eraseSegment(const segment_iterator_t& erase_iter)
 {
         LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
-        // *FIX: in theory, we could reclaim the memory. We are leaking a
-        // bit of buffered memory into an unusable but still referenced
-        // location.
-        (void)mSegments.erase(iter);
-        return true;
+
+        // Find out which buffer contains the segment, and if it is found,
+        // ask it to reclaim the memory.
+        bool rv = false;
+        LLSegment segment(*erase_iter);
+        buffer_iterator_t iter = mBuffers.begin();
+        buffer_iterator_t end = mBuffers.end();
+        for(; iter != end; ++iter)
+        {
+                // We can safely call reclaimSegment on every buffer, and once
+                // it returns true, the segment was found.
+                if((*iter)->reclaimSegment(segment))
+                {
+                        rv = true;
+                        break;
+                }
+        }
+
+        // No need to get the return value since we are not interested in
+        // the interator retured by the call.
+        (void)mSegments.erase(erase_iter);
+        return rv;
 }
 
 
diff --git a/linden/indra/llmessage/llbuffer.h b/linden/indra/llmessage/llbuffer.h
index cd76c90..badbc9f 100644
--- a/linden/indra/llmessage/llbuffer.h
+++ b/linden/indra/llmessage/llbuffer.h
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -32,7 +33,7 @@
 
 /**
  * Declaration of classes used for minimizing calls to new[],
- * memcpy(), and delete[]. Typically, you would create an LLHeapArray,
+ * memcpy(), and delete[]. Typically, you would create an LLBufferArray,
  * feed it data, modify and add segments as you process it, and feed
  * it to a sink.
  */
@@ -108,6 +109,16 @@ public:
          */
         S32 size() const;
 
+        /** 
+         * @brief Check if two segments are the same.
+         *
+         * Two segments are considered equal if they are on the same
+         * channel and cover the exact same address range.
+         * @param rhs the segment to compare with this segment.
+         * @return Returns true if they are equal.
+         */
+        bool operator==(const LLSegment& rhs) const;
+
 protected:
         S32 mChannel;
         U8* mData;
@@ -145,6 +156,35 @@ public:
          * @return Returns true if a segment was found.
          */
         virtual bool createSegment(S32 channel, S32 size, LLSegment& segment) = 0;
+
+        /** 
+         * @brief Reclaim a segment from this buffer. 
+         *
+         * This method is called on a buffer object when a caller is done
+         * with a contiguous segment of memory inside this buffer. Since
+         * segments can be cut arbitrarily outside of the control of the
+         * buffer, this segment may not match any segment returned from
+         * <code>createSegment()</code>.  
+         * @param segment The contiguous buffer segment to reclaim.
+         * @return Returns true if the call was successful.
+         */
+        virtual bool reclaimSegment(const LLSegment& segment) = 0;
+
+        /** 
+         * @brief Test if a segment is inside this buffer.
+         *
+         * @param segment The contiguous buffer segment to test.
+         * @return Returns true if the segment is in the bufffer.
+         */
+        virtual bool containsSegment(const LLSegment& segment) const = 0;
+
+        /** 
+         * @brief Return the current number of bytes allocated.
+         *
+         * This was implemented as a debugging tool, and it is not
+         * necessarily a good idea to use it for anything else.
+         */
+        virtual S32 capacity() const = 0;
 };
 
 /** 
@@ -186,9 +226,11 @@ public:
         /** 
          * @brief Get the number of bytes left in the buffer.
          *
+         * Note that this is not a virtual function, and only available in
+         * the LLHeapBuffer as a debugging aid.
          * @return Returns the number of bytes left.
          */
-        //virtual S32 bytesLeft() const;
+        S32 bytesLeft() const;
 
         /** 
          * @brief Generate a segment for this buffer.
@@ -205,10 +247,40 @@ public:
          */
         virtual bool createSegment(S32 channel, S32 size, LLSegment& segment);
 
+        /** 
+         * @brief reclaim a segment from this buffer. 
+         *
+         * This method is called on a buffer object when a caller is done
+         * with a contiguous segment of memory inside this buffer. Since
+         * segments can be cut arbitrarily outside of the control of the
+         * buffer, this segment may not match any segment returned from
+         * <code>createSegment()</code>.  
+         * This call will fail if the segment passed in is note completely
+         * inside the buffer, eg, if the segment starts before this buffer
+         * in memory or ends after it.
+         * @param segment The contiguous buffer segment to reclaim.
+         * @return Returns true if the call was successful.
+         */
+        virtual bool reclaimSegment(const LLSegment& segment);
+
+        /** 
+         * @brief Test if a segment is inside this buffer.
+         *
+         * @param segment The contiguous buffer segment to test.
+         * @return Returns true if the segment is in the bufffer.
+         */
+        virtual bool containsSegment(const LLSegment& segment) const;
+
+        /** 
+         * @brief Return the current number of bytes allocated.
+         */
+        virtual S32 capacity() const { return mSize; }
+
 protected:
         U8* mBuffer;
         S32 mSize;
         U8* mNextFree;
+        S32 mReclaimedBytes;
 
 private:
         /** 
@@ -223,13 +295,14 @@ private:
  * @brief Class to represent scattered memory buffers and in-order segments
  * of that buffered data.
  *
- * NOTE: This class needs to have an iovec interface
+ * *NOTE: This class needs to have an iovec interface
  */
 class LLBufferArray
 {
 public:
         typedef std::vector<LLBuffer*> buffer_list_t;
         typedef buffer_list_t::iterator buffer_iterator_t;
+        typedef buffer_list_t::const_iterator const_buffer_iterator_t;
         typedef std::list<LLSegment> segment_list_t;
         typedef segment_list_t::const_iterator const_segment_iterator_t;
         typedef segment_list_t::iterator segment_iterator_t;
@@ -260,11 +333,16 @@ public:
          */
         LLChannelDescriptors nextChannel();
         //@}
-        
+
         /* @name Data methods
          */
         //@{
 
+        /** 
+         * @brief Return the sum of all allocated bytes.
+         */
+        S32 capacity() const;
+
         // These methods will be useful once there is any kind of buffer
         // besides a heap buffer.
         //bool append(EBufferChannel channel, LLBuffer* data);
@@ -294,7 +372,6 @@ public:
          * new segment is created and put in the front of the array. This
          * object will internally allocate new buffers if necessary.
          * @param channel The channel for this data
-
          * @param src The start of memory for the data to be copied
          * @param len The number of bytes of data to copy
          * @return Returns true if the method worked.
@@ -378,7 +455,7 @@ public:
         bool takeContents(LLBufferArray& source);
         //@}
 
-        /* @name Segment methods 
+        /* @name Segment methods
          */
         //@{
         /** 
@@ -468,7 +545,7 @@ public:
          * endSegment() on failure.
          */
         segment_iterator_t makeSegment(S32 channel, S32 length);
-                
+
         /** 
          * @brief Erase the segment if it is in the buffer array.
          *
diff --git a/linden/indra/llmessage/llbufferstream.cpp b/linden/indra/llmessage/llbufferstream.cpp
index 7d899d6..4a4d892 100644
--- a/linden/indra/llmessage/llbufferstream.cpp
+++ b/linden/indra/llmessage/llbufferstream.cpp
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -62,34 +63,64 @@ int LLBufferStreamBuf::underflow()
         {
                 return EOF;
         }
-        LLSegment segment;
-        LLBufferArray::segment_iterator_t it;
-        U8* last_pos = (U8*)gptr();
-        if(last_pos) --last_pos;
-        
-        LLBufferArray::segment_iterator_t end = mBuffer->endSegment();
 
-        // Get iterator to full segment containing last_pos
-        // and construct sub-segment starting at last_pos.
-        // Note: segment may != *it at this point
-        it = mBuffer->constructSegmentAfter(last_pos, segment);
-        if(it == end)
+        LLBufferArray::segment_iterator_t iter;
+        LLBufferArray::segment_iterator_t end = mBuffer->endSegment();
+        U8* last_pos = (U8*)gptr();
+        LLSegment segment;
+        if(last_pos)
+        {
+                // Back up into a piece of memory we know that we have
+                // allocated so that calls for the next segment based on
+                // 'after' will succeed.
+                --last_pos;
+                iter = mBuffer->splitAfter(last_pos);
+                if(iter != end)
+                {
+                        // We need to clear the read segment just in case we have
+                        // an early exit in the function and never collect the
+                        // next segment. Calling eraseSegment() with the same
+                        // segment twice is just like double deleting -- nothing
+                        // good comes from it.
+                        mBuffer->eraseSegment(iter++);
+                        if(iter != end) segment = (*iter);
+                }
+                else
+                {
+                        // This should never really happen, but somehow, the
+                        // istream is telling the buf that it just finished
+                        // reading memory that is not in the buf. I think this
+                        // would only happen if there were a bug in the c++ stream
+                        // class. Just bail.
+                        // *TODO: can we set the fail bit on the stream somehow?
+                        return EOF;
+                }
+        }
+        else
+        {
+                // Get iterator to full segment containing last_pos
+                // and construct sub-segment starting at last_pos.
+                // Note: segment may != *it at this point
+                iter = mBuffer->constructSegmentAfter(last_pos, segment);
+        }
+        if(iter == end)
         {
                 return EOF;
         }
-        
+
         // Iterate through segments to find a non-empty segment on input channel.
         while((!segment.isOnChannel(mChannels.in()) || (segment.size() == 0)))
         {
-                ++it;
-                if(it == end)
+                ++iter;
+                if(iter == end)
                 {
                         return EOF;
                 }
 
-                segment = *it;
+                segment = *(iter);
         }
-        
+
+        // set up the stream to read from the next segment.
         char* start = (char*)segment.data();
         setg(start, start, start + segment.size());
         return *gptr();
@@ -144,12 +175,43 @@ int LLBufferStreamBuf::sync()
                 return return_value;
         }
 
+        // This chunk of code is not necessary because typically, users of
+        // the stream will read until EOF. Therefore, underflow was called
+        // and the segment was discarded before the sync() was called in
+        // the destructor. Theoretically, we could keep some more data
+        // around and detect the rare case where an istream was deleted
+        // before reading to the end, but that will only leave behind some
+        // unavailable but still referenced memory. Also, if another
+        // istream is constructed, it will re-read that segment, and then
+        // discard it.
+        //U8* last_pos = (U8*)gptr();
+        //if(last_pos)
+        //{
+        //      // Looks like we read something. Discard what we have read.
+        //      // gptr() actually returns the currrent position, but we call
+        //      // it last_pos because of how it is used in the split call
+        //      // below.
+        //      --last_pos;
+        //      LLBufferArray::segment_iterator_t iter;
+        //      iter = mBuffer->splitAfter(last_pos);
+        //      if(iter != mBuffer->endSegment())
+        //      {
+        //              // We need to clear the read segment just in case we have
+        //              // an early exit in the function and never collect the
+        //              // next segment. Calling eraseSegment() with the same
+        //              // segment twice is just like double deleting -- nothing
+        //              // good comes from it.
+        //              mBuffer->eraseSegment(iter);
+        //      }
+        //}
+
         // set the put pointer so that we force an overflow on the next
         // write.
         U8* address = (U8*)pptr();
         setp(NULL, NULL);
 
-        // *NOTE: I bet we could just --address. Need to think about that.
+        // *NOTE: I bet we could just --address if address is not NULL.
+        // Need to think about that.
         address = mBuffer->seek(mChannels.out(), address, -1);
         if(address)
         {
diff --git a/linden/indra/llmessage/llbufferstream.h b/linden/indra/llmessage/llbufferstream.h
index 0a4ad40..5447a80 100644
--- a/linden/indra/llmessage/llbufferstream.h
+++ b/linden/indra/llmessage/llbufferstream.h
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llcachename.cpp b/linden/indra/llmessage/llcachename.cpp
index e92c72f..5df62b3 100644
--- a/linden/indra/llmessage/llcachename.cpp
+++ b/linden/indra/llmessage/llcachename.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2002-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llcachename.h b/linden/indra/llmessage/llcachename.h
index 9987f11..9009b1f 100644
--- a/linden/indra/llmessage/llcachename.h
+++ b/linden/indra/llmessage/llcachename.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2002-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llcallbacklisth.h b/linden/indra/llmessage/llcallbacklisth.h
index d1cacbd..74dbcc8 100644
--- a/linden/indra/llmessage/llcallbacklisth.h
+++ b/linden/indra/llmessage/llcallbacklisth.h
@@ -5,6 +5,7 @@
  *
  * Copyright (c) 2002-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llchainio.cpp b/linden/indra/llmessage/llchainio.cpp
index 2ca53e0..47352d1 100644
--- a/linden/indra/llmessage/llchainio.cpp
+++ b/linden/indra/llmessage/llchainio.cpp
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llchainio.h b/linden/indra/llmessage/llchainio.h
index c65b3c2..ef2747a 100644
--- a/linden/indra/llmessage/llchainio.h
+++ b/linden/indra/llmessage/llchainio.h
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llcipher.h b/linden/indra/llmessage/llcipher.h
index c1f88ff..1860277 100644
--- a/linden/indra/llmessage/llcipher.h
+++ b/linden/indra/llmessage/llcipher.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2003-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llcircuit.cpp b/linden/indra/llmessage/llcircuit.cpp
index d73cc22..5e93e0a 100644
--- a/linden/indra/llmessage/llcircuit.cpp
+++ b/linden/indra/llmessage/llcircuit.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2002-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llcircuit.h b/linden/indra/llmessage/llcircuit.h
index 8021685..e3a5779 100644
--- a/linden/indra/llmessage/llcircuit.h
+++ b/linden/indra/llmessage/llcircuit.h
@@ -5,6 +5,7 @@
  *
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llclassifiedflags.cpp b/linden/indra/llmessage/llclassifiedflags.cpp
index 3422802..ed595b1 100644
--- a/linden/indra/llmessage/llclassifiedflags.cpp
+++ b/linden/indra/llmessage/llclassifiedflags.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2006-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llclassifiedflags.h b/linden/indra/llmessage/llclassifiedflags.h
index 7c448a3..a2a93d8 100644
--- a/linden/indra/llmessage/llclassifiedflags.h
+++ b/linden/indra/llmessage/llclassifiedflags.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -41,6 +42,8 @@ const U8 CLASSIFIED_QUERY_FILTER_MATURE		= 1 << 1;
 const U8 CLASSIFIED_QUERY_FILTER_ENABLED        = 1 << 2;
 const U8 CLASSIFIED_QUERY_FILTER_PRICE          = 1 << 3;
 
+const S32 MAX_CLASSIFIEDS = 100;
+
 ClassifiedFlags pack_classified_flags(BOOL is_mature, BOOL auto_renew);
 bool is_cf_mature(ClassifiedFlags flags);
 //bool is_cf_enabled(ClassifiedFlags flags);
diff --git a/linden/indra/llmessage/lldatapacker.cpp b/linden/indra/llmessage/lldatapacker.cpp
index d4c8704..2448c40 100644
--- a/linden/indra/llmessage/lldatapacker.cpp
+++ b/linden/indra/llmessage/lldatapacker.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2006-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -557,7 +558,7 @@ void LLDataPackerBinaryBuffer::dumpBufferToLog()
         S32 cur_line = 0;
         for (i = 0; i < mBufferSize; i++)
         {
-                snprintf(line_buffer + cur_line_pos*3, sizeof(line_buffer) - cur_line_pos*3, "%02x ", mBufferp[i]); /*Flawfinder: ignore*/
+                snprintf(line_buffer + cur_line_pos*3, sizeof(line_buffer) - cur_line_pos*3, "%02x ", mBufferp[i]);     /* Flawfinder: ignore */
                 cur_line_pos++;
                 if (cur_line_pos >= 16)
                 {
@@ -582,7 +583,7 @@ BOOL LLDataPackerAsciiBuffer::packString(const char *value, const char *name)
         int numCopied = 0;
         if (mWriteEnabled) 
         {
-                numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%s\n", value);               /*Flawfinder: ignore*/
+                numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%s\n", value);               /* Flawfinder: ignore */
         }
         else
         {
@@ -591,14 +592,15 @@ BOOL LLDataPackerAsciiBuffer::packString(const char *value, const char *name)
 
         // snprintf returns number of bytes that would have been written
         // had the output not being truncated. In that case, it will
-        // return >= passed in size value.  so a check needs to be added
+        // return either -1 or value >= passed in size value . So a check needs to be added
         // to detect truncation, and if there is any, only account for the
         // actual number of bytes written..and not what could have been
         // written.
-        if (numCopied > getBufferSize()-getCurrentSize())
+        if (numCopied < 0 || numCopied > getBufferSize()-getCurrentSize())
         {
                 // *NOTE: I believe we need to mark a failure bit at this point.
             numCopied = getBufferSize()-getCurrentSize();
+                llwarns << "LLDataPackerAsciiBuffer::packString: string truncated: " << value << llendl;
         }
         mCurBufferp += numCopied;
         return success;
@@ -626,7 +628,7 @@ BOOL LLDataPackerAsciiBuffer::packBinaryData(const U8 *value, S32 size, const ch
         int numCopied = 0;
         if (mWriteEnabled)
         {
-                numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%010d ", size);              /*Flawfinder: ignore*/
+                numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%010d ", size);      /* Flawfinder: ignore */
 
                 // snprintf returns number of bytes that would have been
                 // written had the output not being truncated. In that case,
@@ -634,9 +636,10 @@ BOOL LLDataPackerAsciiBuffer::packBinaryData(const U8 *value, S32 size, const ch
                 // to be added to detect truncation, and if there is any, only
                 // account for the actual number of bytes written..and not
                 // what could have been written.
-                if (numCopied > getBufferSize()-getCurrentSize())
+                if (numCopied < 0 || numCopied > getBufferSize()-getCurrentSize())
                 {
                         numCopied = getBufferSize()-getCurrentSize();
+                        llwarns << "LLDataPackerAsciiBuffer::packBinaryData: number truncated: " << size << llendl;
                 }
                 mCurBufferp += numCopied;
 
@@ -645,10 +648,11 @@ BOOL LLDataPackerAsciiBuffer::packBinaryData(const U8 *value, S32 size, const ch
                 BOOL bBufferFull = FALSE;
                 for (i = 0; i < size && !bBufferFull; i++)
                 {
-                        numCopied = snprintf(mCurBufferp, getBufferSize()-getCurrentSize(), "%02x ", value[i]);         /* Flawfinder: ignore */
-                        if (numCopied > getBufferSize()-getCurrentSize())
+                        numCopied = snprintf(mCurBufferp, getBufferSize()-getCurrentSize(), "%02x ", value[i]); /* Flawfinder: ignore */
+                        if (numCopied < 0 || numCopied > getBufferSize()-getCurrentSize())
                         {
                                 numCopied = getBufferSize()-getCurrentSize();
+                                llwarns << "LLDataPackerAsciiBuffer::packBinaryData: data truncated: " << llendl;
                                 bBufferFull = TRUE;
                         }
                         mCurBufferp += numCopied;
@@ -656,10 +660,11 @@ BOOL LLDataPackerAsciiBuffer::packBinaryData(const U8 *value, S32 size, const ch
 
                 if (!bBufferFull)
                 {
-                        numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(), "\n");               /* Flawfinder: ignore */
-                        if (numCopied > getBufferSize()-getCurrentSize())
+                        numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(), "\n");       /* Flawfinder: ignore */
+                        if (numCopied < 0 || numCopied > getBufferSize()-getCurrentSize())
                         {
                                 numCopied = getBufferSize()-getCurrentSize();
+                                llwarns << "LLDataPackerAsciiBuffer::packBinaryData: newline truncated: " << llendl;
                         }
                         mCurBufferp += numCopied;
                 }
@@ -717,10 +722,11 @@ BOOL LLDataPackerAsciiBuffer::packBinaryDataFixed(const U8 *value, S32 size, con
                 BOOL bBufferFull = FALSE;
                 for (i = 0; i < size && !bBufferFull; i++)
                 {
-                        numCopied = snprintf(mCurBufferp, getBufferSize()-getCurrentSize(), "%02x ", value[i]);         /* Flawfinder: ignore */
-                        if (numCopied > getBufferSize()-getCurrentSize())
+                        numCopied = snprintf(mCurBufferp, getBufferSize()-getCurrentSize(), "%02x ", value[i]); /* Flawfinder: ignore */
+                        if (numCopied < 0 || numCopied > getBufferSize()-getCurrentSize())
                         {
                             numCopied = getBufferSize()-getCurrentSize();
+                                llwarns << "LLDataPackerAsciiBuffer::packBinaryDataFixed: data truncated: " << llendl;
                             bBufferFull = TRUE;
                         }
                         mCurBufferp += numCopied;
@@ -728,10 +734,11 @@ BOOL LLDataPackerAsciiBuffer::packBinaryDataFixed(const U8 *value, S32 size, con
                 }
                 if (!bBufferFull)
                 {
-                        numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(), "\n");               /* Flawfinder: ignore */
-                        if (numCopied > getBufferSize()-getCurrentSize())
+                        numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(), "\n");       /* Flawfinder: ignore */
+                        if (numCopied < 0 || numCopied > getBufferSize()-getCurrentSize())
                         {
                                 numCopied = getBufferSize()-getCurrentSize();
+                                llwarns << "LLDataPackerAsciiBuffer::packBinaryDataFixed: newline truncated: " << llendl;
                         }
                         
                         mCurBufferp += numCopied;
@@ -781,21 +788,24 @@ BOOL LLDataPackerAsciiBuffer::packU8(const U8 value, const char *name)
         int numCopied = 0;
         if (mWriteEnabled)
         {
-                numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%d\n", value);               /*Flawfinder: ignore*/
+                numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%d\n", value);       /* Flawfinder: ignore */
         }
         else
         {
                 // just do the write to a temp buffer to get the length
-                numCopied = snprintf(DUMMY_BUFFER, sizeof(DUMMY_BUFFER), "%d\n", value);                /* Flawfinder: ignore */
+                numCopied = snprintf(DUMMY_BUFFER, sizeof(DUMMY_BUFFER), "%d\n", value);        /* Flawfinder: ignore */
         }
 
-        // snprintf returns number of bytes that would have been written had the 
-        // output not being truncated. In that case, it will retuen >= passed in size value.
-        // so a check needs to be added to detect truncation, and if there is any,
-        // only account for the actual number of bytes written..and not what could have been written.
-        if (numCopied > getBufferSize()-getCurrentSize())
+        // snprintf returns number of bytes that would have been written
+        // had the output not being truncated. In that case, it will
+        // return either -1 or value >= passed in size value . So a check needs to be added
+        // to detect truncation, and if there is any, only account for the
+        // actual number of bytes written..and not what could have been
+        // written.
+        if (numCopied < 0 || numCopied > getBufferSize()-getCurrentSize())
         {
                 numCopied = getBufferSize()-getCurrentSize();
+                llwarns << "LLDataPackerAsciiBuffer::packU8: val truncated: " << llendl;
         }
 
         mCurBufferp += numCopied;
@@ -826,20 +836,23 @@ BOOL LLDataPackerAsciiBuffer::packU16(const U16 value, const char *name)
         int numCopied = 0;
         if (mWriteEnabled)
         {
-                numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%d\n", value);               /*Flawfinder: ignore*/
+                numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%d\n", value);       /* Flawfinder: ignore */
         }
         else
         {
-                numCopied = snprintf(DUMMY_BUFFER, sizeof(DUMMY_BUFFER), "%d\n", value);                /* Flawfinder: ignore */
+                numCopied = snprintf(DUMMY_BUFFER, sizeof(DUMMY_BUFFER), "%d\n", value);        /* Flawfinder: ignore */
         }
 
-        // snprintf returns number of bytes that would have been written had the 
-        // output not being truncated. In that case, it will retuen >= passed in size value.
-        // so a check needs to be added to detect truncation, and if there is any,
-        // only account for the actual number of bytes written..and not what could have been written.
-        if (numCopied > getBufferSize()-getCurrentSize())
+        // snprintf returns number of bytes that would have been written
+        // had the output not being truncated. In that case, it will
+        // return either -1 or value >= passed in size value . So a check needs to be added
+        // to detect truncation, and if there is any, only account for the
+        // actual number of bytes written..and not what could have been
+        // written.
+        if (numCopied < 0 || numCopied > getBufferSize()-getCurrentSize())
         {
                 numCopied = getBufferSize()-getCurrentSize();
+                llwarns << "LLDataPackerAsciiBuffer::packU16: val truncated: " << llendl;
         }
 
         mCurBufferp += numCopied;
@@ -871,19 +884,22 @@ BOOL LLDataPackerAsciiBuffer::packU32(const U32 value, const char *name)
         int numCopied = 0;
         if (mWriteEnabled)
         {
-                numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%u\n", value);               /* Flawfinder: ignore */
+                numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%u\n", value);       /* Flawfinder: ignore */
         }
         else
         {
-                numCopied = snprintf(DUMMY_BUFFER, sizeof(DUMMY_BUFFER), "%u\n", value);                /* Flawfinder: ignore */
+                numCopied = snprintf(DUMMY_BUFFER, sizeof(DUMMY_BUFFER), "%u\n", value);        /* Flawfinder: ignore */
         }
-        // snprintf returns number of bytes that would have been written had the 
-        // output not being truncated. In that case, it will retuen >= passed in size value.
-        // so a check needs to be added to detect truncation, and if there is any,
-        // only account for the actual number of bytes written..and not what could have been written.
-        if (numCopied > getBufferSize()-getCurrentSize())
+        // snprintf returns number of bytes that would have been written
+        // had the output not being truncated. In that case, it will
+        // return either -1 or value >= passed in size value . So a check needs to be added
+        // to detect truncation, and if there is any, only account for the
+        // actual number of bytes written..and not what could have been
+        // written.
+        if (numCopied < 0 || numCopied > getBufferSize()-getCurrentSize())
         {
                 numCopied = getBufferSize()-getCurrentSize();
+                llwarns << "LLDataPackerAsciiBuffer::packU32: val truncated: " << llendl;
         }
 
         mCurBufferp += numCopied;
@@ -912,19 +928,22 @@ BOOL LLDataPackerAsciiBuffer::packS32(const S32 value, const char *name)
         int numCopied = 0;
         if (mWriteEnabled)
         {
-                numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%d\n", value);               /* Flawfinder: ignore */
+                numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%d\n", value);       /* Flawfinder: ignore */
         }
         else
         {
                 numCopied = snprintf(DUMMY_BUFFER, sizeof(DUMMY_BUFFER), "%d\n", value);                /* Flawfinder: ignore */        
         }
-        // snprintf returns number of bytes that would have been written had the 
-        // output not being truncated. In that case, it will retuen >= passed in size value.
-        // so a check needs to be added to detect truncation, and if there is any,
-        // only account for the actual number of bytes written..and not what could have been written.
-        if (numCopied > getBufferSize()-getCurrentSize())
+        // snprintf returns number of bytes that would have been written
+        // had the output not being truncated. In that case, it will
+        // return either -1 or value >= passed in size value . So a check needs to be added
+        // to detect truncation, and if there is any, only account for the
+        // actual number of bytes written..and not what could have been
+        // written.
+        if (numCopied < 0 || numCopied > getBufferSize()-getCurrentSize())
         {
                 numCopied = getBufferSize()-getCurrentSize();
+                llwarns << "LLDataPackerAsciiBuffer::packS32: val truncated: " << llendl;
         }
 
         mCurBufferp += numCopied;
@@ -953,19 +972,22 @@ BOOL LLDataPackerAsciiBuffer::packF32(const F32 value, const char *name)
         int numCopied = 0;
         if (mWriteEnabled)
         {
-                numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%g\n", value);               /* Flawfinder: ignore */
+                numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%g\n", value);       /* Flawfinder: ignore */
         }
         else
         {
-                numCopied = snprintf(DUMMY_BUFFER, sizeof(DUMMY_BUFFER), "%g\n", value);                /* Flawfinder: ignore */        
+                numCopied = snprintf(DUMMY_BUFFER, sizeof(DUMMY_BUFFER), "%g\n", value);        /* Flawfinder: ignore */
         }
-        // snprintf returns number of bytes that would have been written had the 
-        // output not being truncated. In that case, it will retuen >= passed in size value.
-        // so a check needs to be added to detect truncation, and if there is any,
-        // only account for the actual number of bytes written..and not what could have been written.
-        if (numCopied > getBufferSize()-getCurrentSize())
+        // snprintf returns number of bytes that would have been written
+        // had the output not being truncated. In that case, it will
+        // return either -1 or value >= passed in size value . So a check needs to be added
+        // to detect truncation, and if there is any, only account for the
+        // actual number of bytes written..and not what could have been
+        // written.
+        if (numCopied < 0 || numCopied > getBufferSize()-getCurrentSize())
         {
                 numCopied = getBufferSize()-getCurrentSize();
+                llwarns << "LLDataPackerAsciiBuffer::packF32: val truncated: " << llendl;
         }
 
         mCurBufferp += numCopied;
@@ -994,19 +1016,22 @@ BOOL LLDataPackerAsciiBuffer::packColor4(const LLColor4 &value, const char *name
         int numCopied = 0;
         if (mWriteEnabled)
         {
-                numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%g %g %g %g\n", value.mV[0], value.mV[1], value.mV[2], value.mV[3]); /* Flawfinder: ignore */
+            numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%g %g %g %g\n", value.mV[0], value.mV[1], value.mV[2], value.mV[3]);     /* Flawfinder: ignore */
         }
         else
         {
                 numCopied = snprintf(DUMMY_BUFFER,sizeof(DUMMY_BUFFER),"%g %g %g %g\n", value.mV[0], value.mV[1], value.mV[2], value.mV[3]);    /* Flawfinder: ignore */
         }
-        // snprintf returns number of bytes that would have been written had the 
-        // output not being truncated. In that case, it will retuen >= passed in size value.
-        // so a check needs to be added to detect truncation, and if there is any,
-        // only account for the actual number of bytes written..and not what could have been written.
-        if (numCopied > getBufferSize()-getCurrentSize())
+        // snprintf returns number of bytes that would have been written
+        // had the output not being truncated. In that case, it will
+        // return either -1 or value >= passed in size value . So a check needs to be added
+        // to detect truncation, and if there is any, only account for the
+        // actual number of bytes written..and not what could have been
+        // written.
+        if (numCopied < 0 || numCopied > getBufferSize()-getCurrentSize())
         {
                 numCopied = getBufferSize()-getCurrentSize();
+                llwarns << "LLDataPackerAsciiBuffer::packColor4: truncated: " << llendl;
         }
 
         mCurBufferp += numCopied;
@@ -1034,19 +1059,22 @@ BOOL LLDataPackerAsciiBuffer::packColor4U(const LLColor4U &value, const char *na
         int numCopied = 0;
         if (mWriteEnabled)
         {
-                numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%d %d %d %d\n", value.mV[0], value.mV[1], value.mV[2], value.mV[3]); /* Flawfinder: ignore */
+                numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%d %d %d %d\n", value.mV[0], value.mV[1], value.mV[2], value.mV[3]); /* Flawfinder: ignore */
         }
         else
         {
                 numCopied = snprintf(DUMMY_BUFFER,sizeof(DUMMY_BUFFER),"%d %d %d %d\n", value.mV[0], value.mV[1], value.mV[2], value.mV[3]);    /* Flawfinder: ignore */
         }
-        // snprintf returns number of bytes that would have been written had the 
-        // output not being truncated. In that case, it will retuen >= passed in size value.
-        // so a check needs to be added to detect truncation, and if there is any,
-        // only account for the actual number of bytes written..and not what could have been written.
-        if (numCopied > getBufferSize()-getCurrentSize())
+        // snprintf returns number of bytes that would have been written
+        // had the output not being truncated. In that case, it will
+        // return either -1 or value >= passed in size value . So a check needs to be added
+        // to detect truncation, and if there is any, only account for the
+        // actual number of bytes written..and not what could have been
+        // written.
+        if (numCopied < 0 || numCopied > getBufferSize()-getCurrentSize())
         {
                 numCopied = getBufferSize()-getCurrentSize();
+                llwarns << "LLDataPackerAsciiBuffer::packColor4U: truncated: " << llendl;
         }
 
         mCurBufferp += numCopied;
@@ -1085,15 +1113,18 @@ BOOL LLDataPackerAsciiBuffer::packVector2(const LLVector2 &value, const char *na
         }
         else
         {
-                numCopied = snprintf(DUMMY_BUFFER,sizeof(DUMMY_BUFFER),"%g %g\n", value.mV[0], value.mV[1]);            /* Flawfinder: ignore */
+                numCopied = snprintf(DUMMY_BUFFER,sizeof(DUMMY_BUFFER),"%g %g\n", value.mV[0], value.mV[1]);    /* Flawfinder: ignore */
         }
-        // snprintf returns number of bytes that would have been written had the 
-        // output not being truncated. In that case, it will retuen >= passed in size value.
-        // so a check needs to be added to detect truncation, and if there is any,
-        // only account for the actual number of bytes written..and not what could have been written.
-        if (numCopied > getBufferSize()-getCurrentSize())
+        // snprintf returns number of bytes that would have been written
+        // had the output not being truncated. In that case, it will
+        // return either -1 or value >= passed in size value . So a check needs to be added
+        // to detect truncation, and if there is any, only account for the
+        // actual number of bytes written..and not what could have been
+        // written.
+        if (numCopied < 0 || numCopied > getBufferSize()-getCurrentSize())
         {
                 numCopied = getBufferSize()-getCurrentSize();
+                llwarns << "LLDataPackerAsciiBuffer::packVector2: truncated: " << llendl;
         }
 
         mCurBufferp += numCopied;
@@ -1128,13 +1159,16 @@ BOOL LLDataPackerAsciiBuffer::packVector3(const LLVector3 &value, const char *na
         {
                 numCopied = snprintf(DUMMY_BUFFER,sizeof(DUMMY_BUFFER),"%g %g %g\n", value.mV[0], value.mV[1], value.mV[2]);    /* Flawfinder: ignore */
         }
-        // snprintf returns number of bytes that would have been written had the 
-        // output not being truncated. In that case, it will retuen >= passed in size value.
-        // so a check needs to be added to detect truncation, and if there is any,
-        // only account for the actual number of bytes written..and not what could have been written.
-        if (numCopied > getBufferSize()-getCurrentSize())
+        // snprintf returns number of bytes that would have been written
+        // had the output not being truncated. In that case, it will
+        // return either -1 or value >= passed in size value . So a check needs to be added
+        // to detect truncation, and if there is any, only account for the
+        // actual number of bytes written..and not what could have been
+        // written.
+        if (numCopied < 0 || numCopied > getBufferSize()-getCurrentSize())
         {
             numCopied = getBufferSize()-getCurrentSize();
+                llwarns << "LLDataPackerAsciiBuffer::packVector3: truncated: " << llendl;
         }
 
         mCurBufferp += numCopied;
@@ -1168,13 +1202,16 @@ BOOL LLDataPackerAsciiBuffer::packVector4(const LLVector4 &value, const char *na
         {
                 numCopied = snprintf(DUMMY_BUFFER,sizeof(DUMMY_BUFFER),"%g %g %g %g\n", value.mV[0], value.mV[1], value.mV[2], value.mV[3]);    /* Flawfinder: ignore */
         }
-        // snprintf returns number of bytes that would have been written had the 
-        // output not being truncated. In that case, it will retuen >= passed in size value.
-        // so a check needs to be added to detect truncation, and if there is any,
-        // only account for the actual number of bytes written..and not what could have been written.
-        if (numCopied > getBufferSize()-getCurrentSize())
+        // snprintf returns number of bytes that would have been written
+        // had the output not being truncated. In that case, it will
+        // return either -1 or value >= passed in size value . So a check needs to be added
+        // to detect truncation, and if there is any, only account for the
+        // actual number of bytes written..and not what could have been
+        // written.
+        if (numCopied < 0 || numCopied > getBufferSize()-getCurrentSize())
         {
             numCopied = getBufferSize()-getCurrentSize();
+                llwarns << "LLDataPackerAsciiBuffer::packVector4: truncated: " << llendl;
         }
 
         mCurBufferp += numCopied;
@@ -1212,13 +1249,16 @@ BOOL LLDataPackerAsciiBuffer::packUUID(const LLUUID &value, const char *name)
         {
                 numCopied = 64 + 1; // UUID + newline
         }
-        // snprintf returns number of bytes that would have been written had the 
-        // output not being truncated. In that case, it will retuen >= passed in size value.
-        // so a check needs to be added to detect truncation, and if there is any,
-        // only account for the actual number of bytes written..and not what could have been written.
-        if (numCopied > getBufferSize()-getCurrentSize())
+        // snprintf returns number of bytes that would have been written
+        // had the output not being truncated. In that case, it will
+        // return either -1 or value >= passed in size value . So a check needs to be added
+        // to detect truncation, and if there is any, only account for the
+        // actual number of bytes written..and not what could have been
+        // written.
+        if (numCopied < 0 || numCopied > getBufferSize()-getCurrentSize())
         {
             numCopied = getBufferSize()-getCurrentSize();
+                llwarns << "LLDataPackerAsciiBuffer::packUUID: truncated: " << llendl;
                 success = FALSE;
         }
         mCurBufferp += numCopied;
@@ -1254,21 +1294,26 @@ void LLDataPackerAsciiBuffer::writeIndentedName(const char *name)
                 int numCopied = 0;
                 if (mWriteEnabled)
                 {
-                        numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%s\t", name);        /* Flawfinder: ignore */
+                        numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%s\t", name);        /* Flawfinder: ignore */
                 }
                 else
                 {
                         numCopied = (S32)strlen(name) + 1;      /* Flawfinder: ignore */ //name + tab   
                 }
 
-                // snprintf returns number of bytes that would have been written had the 
-                // output not being truncated. In that case, it will retuen >= passed in size value.
-                // so a check needs to be added to detect truncation, and if there is any,
-                // only account for the actual number of bytes written..and not what could have been written.
-                if (numCopied > getBufferSize()-getCurrentSize())
+                // snprintf returns number of bytes that would have been written
+                // had the output not being truncated. In that case, it will
+                // return either -1 or value >= passed in size value . So a check needs to be added
+                // to detect truncation, and if there is any, only account for the
+                // actual number of bytes written..and not what could have been
+                // written.
+                if (numCopied < 0 || numCopied > getBufferSize()-getCurrentSize())
                 {
                         numCopied = getBufferSize()-getCurrentSize();
+                        llwarns << "LLDataPackerAsciiBuffer::writeIndentedName: truncated: " << llendl;
                 }
+
+                mCurBufferp += numCopied;
         }
 }
 
@@ -1424,7 +1469,7 @@ BOOL LLDataPackerAsciiFile::packBinaryDataFixed(const U8 *value, S32 size, const
                 S32 i;
                 for (i = 0; i < size; i++)
                 {
-                        snprintf(buffer, sizeof(buffer), "%02x ", value[i]); /*Flawfinder: ignore*/
+                        snprintf(buffer, sizeof(buffer), "%02x ", value[i]);    /* Flawfinder: ignore */
                         *mOutputStream << buffer;
                 }
                 *mOutputStream << "\n";
diff --git a/linden/indra/llmessage/lldatapacker.h b/linden/indra/llmessage/lldatapacker.h
index 4e0b4cd..700f8fb 100644
--- a/linden/indra/llmessage/lldatapacker.h
+++ b/linden/indra/llmessage/lldatapacker.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2002-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/lldbstrings.h b/linden/indra/llmessage/lldbstrings.h
index 122e45b..dd249b1 100644
--- a/linden/indra/llmessage/lldbstrings.h
+++ b/linden/indra/llmessage/lldbstrings.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2002-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/lldispatcher.cpp b/linden/indra/llmessage/lldispatcher.cpp
index 7ba9f44..2e775f9 100644
--- a/linden/indra/llmessage/lldispatcher.cpp
+++ b/linden/indra/llmessage/lldispatcher.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2004-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/lldispatcher.h b/linden/indra/llmessage/lldispatcher.h
index 2a103f0..374ee0d 100644
--- a/linden/indra/llmessage/lldispatcher.h
+++ b/linden/indra/llmessage/lldispatcher.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2004-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/lleventflags.h b/linden/indra/llmessage/lleventflags.h
index 755e5a9..f6b89e3 100644
--- a/linden/indra/llmessage/lleventflags.h
+++ b/linden/indra/llmessage/lleventflags.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2004-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llfiltersd2xmlrpc.cpp b/linden/indra/llmessage/llfiltersd2xmlrpc.cpp
index 63913d5..34a4621 100644
--- a/linden/indra/llmessage/llfiltersd2xmlrpc.cpp
+++ b/linden/indra/llmessage/llfiltersd2xmlrpc.cpp
@@ -5,6 +5,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llfiltersd2xmlrpc.h b/linden/indra/llmessage/llfiltersd2xmlrpc.h
index 622ab90..8b2f066 100644
--- a/linden/indra/llmessage/llfiltersd2xmlrpc.h
+++ b/linden/indra/llmessage/llfiltersd2xmlrpc.h
@@ -5,6 +5,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llfollowcamparams.h b/linden/indra/llmessage/llfollowcamparams.h
index aa14ab2..0979474 100644
--- a/linden/indra/llmessage/llfollowcamparams.h
+++ b/linden/indra/llmessage/llfollowcamparams.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llhost.cpp b/linden/indra/llmessage/llhost.cpp
index c1ca4b0..50ef301 100644
--- a/linden/indra/llmessage/llhost.cpp
+++ b/linden/indra/llmessage/llhost.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2000-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -47,7 +48,7 @@ LLHost LLHost::invalid(INVALID_PORT,INVALID_HOST_IP_ADDRESS);
 LLHost::LLHost(const std::string& ip_and_port)
 {
         std::string::size_type colon_index = ip_and_port.find(":");
-        if (colon_index != std::string::npos)
+        if (colon_index == std::string::npos)
         {
                 mIP = ip_string_to_u32(ip_and_port.c_str());
                 mPort = 0;
@@ -70,7 +71,7 @@ void LLHost::getString(char* buffer, S32 length) const
                 return;
         }
 
-        snprintf(buffer, length, "%s:%u", u32_to_ip_string(mIP), mPort);  /*Flawfinder: ignore*/
+        snprintf(buffer, length, "%s:%u", u32_to_ip_string(mIP), mPort);        /* Flawfinder: ignore */
 }
 
 void LLHost::getIPString(char* buffer, S32 length) const
@@ -81,7 +82,7 @@ void LLHost::getIPString(char* buffer, S32 length) const
                 return;
         }
 
-        snprintf(buffer, length, "%s", u32_to_ip_string(mIP)); /*Flawfinder: ignore*/
+        snprintf(buffer, length, "%s", u32_to_ip_string(mIP));  /* Flawfinder: ignore */
 }
 
 
diff --git a/linden/indra/llmessage/llhost.h b/linden/indra/llmessage/llhost.h
index 894e2de..5b477e0 100644
--- a/linden/indra/llmessage/llhost.h
+++ b/linden/indra/llmessage/llhost.h
@@ -5,6 +5,7 @@
  *
  * Copyright (c) 2000-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llhttpassetstorage.cpp b/linden/indra/llmessage/llhttpassetstorage.cpp
index 6c57499..8e328ce 100644
--- a/linden/indra/llmessage/llhttpassetstorage.cpp
+++ b/linden/indra/llmessage/llhttpassetstorage.cpp
@@ -5,6 +5,7 @@
  *
  * Copyright (c) 2003-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -38,7 +39,7 @@
 
 #include "zlib/zlib.h"
 
-const U32 MAX_RUNNING_REQUESTS = 4;
+const U32 MAX_RUNNING_REQUESTS = 1;
 const F32 MAX_PROCESSING_TIME = 0.005f;
 const S32 CURL_XFER_BUFFER_SIZE = 65536;
 // Try for 30 minutes for now.
@@ -77,6 +78,7 @@ public:
         virtual ~LLHTTPAssetRequest();
         
         void setupCurlHandle();
+        void cleanupCurlHandle();
 
         void    prepareCompressedUpload();
         void    finishCompressedUpload();
@@ -140,16 +142,7 @@ LLHTTPAssetRequest::~LLHTTPAssetRequest()
         if (mCurlHandle)
         {
                 curl_multi_remove_handle(mCurlMultiHandle, mCurlHandle);
-                curl_easy_cleanup(mCurlHandle);
-                if (mAssetStoragep)
-                {
-                        // Terminating a request.  Thus upload or download is no longer pending.
-                        mAssetStoragep->removeRunningRequest(mRequestType, this);
-                }
-                else
-                {
-                        llerrs << "LLHTTPAssetRequest::~LLHTTPAssetRequest - No asset storage associated with this request!" << llendl;
-                }
+                cleanupCurlHandle();
         }
         if (mHTTPHeaders)
         {
@@ -274,6 +267,21 @@ void LLHTTPAssetRequest::setupCurlHandle()
         }
 }
 
+void LLHTTPAssetRequest::cleanupCurlHandle()
+{
+        curl_easy_cleanup(mCurlHandle);
+        if (mAssetStoragep)
+        {
+                // Terminating a request.  Thus upload or download is no longer pending.
+                mAssetStoragep->removeRunningRequest(mRequestType, this);
+        }
+        else
+        {
+                llerrs << "LLHTTPAssetRequest::~LLHTTPAssetRequest - No asset storage associated with this request!" << llendl;
+        }
+        mCurlHandle = NULL;
+}
+
 void LLHTTPAssetRequest::prepareCompressedUpload()
 {
         mZStream.next_in = Z_NULL;
@@ -682,7 +690,7 @@ void LLHTTPAssetStorage::checkForTimeouts()
 {
         CURLMcode mcode;
         LLAssetRequest *req;
-        while (req = findNextRequest(mPendingDownloads, mRunningDownloads))
+        while ( (req = findNextRequest(mPendingDownloads, mRunningDownloads)) )
         {
                 // Setup this curl download request
                 // We need to generate a new request here
@@ -691,7 +699,7 @@ void LLHTTPAssetStorage::checkForTimeouts()
                 char uuid_str[UUID_STR_LENGTH]; /*Flawfinder: ignore*/
                 req->getUUID().toString(uuid_str);
                 std::string base_url = getBaseURL(req->getUUID(), req->getType());
-                snprintf(tmp_url, sizeof(tmp_url), "%s/%36s.%s", base_url.c_str() , uuid_str, LLAssetType::lookup(req->getType())); /*Flawfinder: ignore*/
+                snprintf(tmp_url, sizeof(tmp_url), "%s/%36s.%s", base_url.c_str() , uuid_str, LLAssetType::lookup(req->getType()));     /* Flawfinder: ignore */
 
                 LLHTTPAssetRequest *new_req = new LLHTTPAssetRequest(this, req->getUUID(), 
                                                                                 req->getType(), RT_DOWNLOAD, tmp_url, mCurlMultiHandle);
@@ -708,7 +716,8 @@ void LLHTTPAssetStorage::checkForTimeouts()
                 {
                         // Failure.  Deleting the pending request will remove it from the running
                         // queue, and push it to the end of the pending queue.
-                        deletePendingRequest(RT_DOWNLOAD, req->getType(), req->getUUID());
+                        new_req->cleanupCurlHandle();
+                        deletePendingRequest(RT_DOWNLOAD, new_req->getType(), new_req->getUUID());
                         break;
                 }
                 else
@@ -717,7 +726,7 @@ void LLHTTPAssetStorage::checkForTimeouts()
                 }
         }
 
-        while (req = findNextRequest(mPendingUploads, mRunningUploads))
+        while ( (req = findNextRequest(mPendingUploads, mRunningUploads)) )
         {
                 // setup this curl upload request
 
@@ -726,7 +735,7 @@ void LLHTTPAssetStorage::checkForTimeouts()
                 char tmp_url[MAX_STRING];/*Flawfinder: ignore*/
                 char uuid_str[UUID_STR_LENGTH];/*Flawfinder: ignore*/
                 req->getUUID().toString(uuid_str);
-                snprintf(tmp_url, sizeof(tmp_url),                                      /*Flawfinder: ignore*/
+                snprintf(tmp_url, sizeof(tmp_url),                                      /* Flawfinder: ignore */
                                 do_compress ? "%s/%s.%s.gz" : "%s/%s.%s",
                                 mBaseURL.c_str(), uuid_str, LLAssetType::lookup(req->getType())); 
 
@@ -761,7 +770,8 @@ void LLHTTPAssetStorage::checkForTimeouts()
                 {
                         // Failure.  Deleting the pending request will remove it from the running
                         // queue, and push it to the end of the pending queue.
-                        deletePendingRequest(RT_UPLOAD, req->getType(), req->getUUID());
+                        new_req->cleanupCurlHandle();
+                        deletePendingRequest(RT_UPLOAD, new_req->getType(), new_req->getUUID());
                         break;
                 }
                 else
@@ -771,7 +781,7 @@ void LLHTTPAssetStorage::checkForTimeouts()
                 // Pending upload will have been flagged by the request
         }
 
-        while (req = findNextRequest(mPendingLocalUploads, mRunningLocalUploads))
+        while ( (req = findNextRequest(mPendingLocalUploads, mRunningLocalUploads)) )
         {
                 // setup this curl upload request
                 LLVFile file(mVFS, req->getUUID(), req->getType());
@@ -781,7 +791,7 @@ void LLHTTPAssetStorage::checkForTimeouts()
                 req->getUUID().toString(uuid_str);
                 
                 // KLW - All temporary uploads are saved locally "http://localhost:12041/asset"
-                snprintf(tmp_url, sizeof(tmp_url), "%s/%36s.%s", mLocalBaseURL.c_str(), uuid_str, LLAssetType::lookup(req->getType())); /*Flawfinder: ignore*/
+                snprintf(tmp_url, sizeof(tmp_url), "%s/%36s.%s", mLocalBaseURL.c_str(), uuid_str, LLAssetType::lookup(req->getType()));         /* Flawfinder: ignore */
 
                 LLHTTPAssetRequest *new_req = new LLHTTPAssetRequest(this, req->getUUID(), 
                                                                                 req->getType(), RT_LOCALUPLOAD, tmp_url, mCurlMultiHandle);
@@ -800,7 +810,8 @@ void LLHTTPAssetStorage::checkForTimeouts()
                 {
                         // Failure.  Deleting the pending request will remove it from the running
                         // queue, and push it to the end of the pending queue.
-                        deletePendingRequest(RT_LOCALUPLOAD, req->getType(), req->getUUID());
+                        new_req->cleanupCurlHandle();
+                        deletePendingRequest(RT_LOCALUPLOAD, new_req->getType(), new_req->getUUID());
                         break;
                 }
                 else
diff --git a/linden/indra/llmessage/llhttpassetstorage.h b/linden/indra/llmessage/llhttpassetstorage.h
index d98af45..b5ab56b 100644
--- a/linden/indra/llmessage/llhttpassetstorage.h
+++ b/linden/indra/llmessage/llhttpassetstorage.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2003-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llhttpclient.cpp b/linden/indra/llmessage/llhttpclient.cpp
index 3755ae0..1d38a13 100644
--- a/linden/indra/llmessage/llhttpclient.cpp
+++ b/linden/indra/llmessage/llhttpclient.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2006-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -37,9 +38,10 @@
 #include "llvfile.h"
 #include "llvfs.h"
 
+#include "message.h"
 #include <curl/curl.h>
 
-static const F32 HTTP_REQUEST_EXPIRY_SECS = 60.0f;
+const F32 HTTP_REQUEST_EXPIRY_SECS = 60.0f;
 
 static std::string gCABundle;
 
@@ -111,6 +113,14 @@ namespace
                         if (200 <= mStatus && mStatus < 300)
                         {
                                 LLSDSerialize::fromXML(content, istr);
+/*
+                                const S32 parseError = -1;
+                                if(LLSDSerialize::fromXML(content, istr) == parseError)
+                                {
+                                        mStatus = 498;
+                                        mReason = "Client Parse Error";
+                                }
+*/
                         }
 
                         if (mResponder.get())
@@ -233,7 +243,7 @@ namespace
 }
 
 static void request(const std::string& url, LLURLRequest::ERequestAction method,
-        Injector* body_injector, LLHTTPClient::ResponderPtr responder)
+        Injector* body_injector, LLHTTPClient::ResponderPtr responder, const F32 timeout=HTTP_REQUEST_EXPIRY_SECS)
 {
         if (!LLHTTPClient::hasPump())
         {
@@ -251,19 +261,26 @@ static void request(const std::string& url, LLURLRequest::ERequestAction method,
         }
         req->setCallback(new LLHTTPClientURLAdaptor(responder));
 
+        if (method == LLURLRequest::HTTP_POST  &&  gMessageSystem) {
+                req->addHeader(llformat("X-SecondLife-UDP-Listen-Port: %d",
+                                                                gMessageSystem->mPort).c_str());
+        }
+        
         if (method == LLURLRequest::HTTP_PUT || method == LLURLRequest::HTTP_POST)
         {
-                req->addHeader(llformat("Content-Type: %s", body_injector->contentType()).c_str());
-                chain.push_back(LLIOPipe::ptr_t(body_injector));
+                req->addHeader(llformat("Content-Type: %s",
+                                                                body_injector->contentType()).c_str());
+
+                chain.push_back(LLIOPipe::ptr_t(body_injector));
         }
         chain.push_back(LLIOPipe::ptr_t(req));
 
-        theClientPump->addChain(chain, HTTP_REQUEST_EXPIRY_SECS);
+        theClientPump->addChain(chain, timeout);
 }
 
-void LLHTTPClient::get(const std::string& url, ResponderPtr responder)
+void LLHTTPClient::get(const std::string& url, ResponderPtr responder, const F32 timeout)
 {
-        request(url, LLURLRequest::HTTP_GET, NULL, responder);
+        request(url, LLURLRequest::HTTP_GET, NULL, responder, timeout);
 }
 
 // A simple class for managing data returned from a curl http request.
@@ -312,6 +329,14 @@ LLSD LLHTTPClient::blockingGet(const std::string& url)
 
         LLHTTPBuffer http_buffer;
 
+        // Without this timeout, blockingGet() calls have been observed to take
+        // up to 90 seconds to complete.  Users of blockingGet() already must 
+        // check the HTTP return code for validity, so this will not introduce
+        // new errors.  A 5 second timeout will succeed > 95% of the time (and 
+        // probably > 99% of the time) based on my statistics. JC
+        curl_easy_setopt(curlp, CURLOPT_NOSIGNAL, 1);   // don't use SIGALRM for timeouts
+        curl_easy_setopt(curlp, CURLOPT_TIMEOUT, 5);    // seconds
+
         curl_easy_setopt(curlp, CURLOPT_WRITEFUNCTION, LLHTTPBuffer::curl_write);
         curl_easy_setopt(curlp, CURLOPT_WRITEDATA, &http_buffer);
         curl_easy_setopt(curlp, CURLOPT_URL, url.c_str());
@@ -344,36 +369,36 @@ LLSD LLHTTPClient::blockingGet(const std::string& url)
         return response;
 }
 
-void LLHTTPClient::put(const std::string& url, const LLSD& body, ResponderPtr responder)
+void LLHTTPClient::put(const std::string& url, const LLSD& body, ResponderPtr responder, const F32 timeout)
 {
-        request(url, LLURLRequest::HTTP_PUT, new LLSDInjector(body), responder);
+        request(url, LLURLRequest::HTTP_PUT, new LLSDInjector(body), responder, timeout);
 }
 
-void LLHTTPClient::post(const std::string& url, const LLSD& body, ResponderPtr responder)
+void LLHTTPClient::post(const std::string& url, const LLSD& body, ResponderPtr responder, const F32 timeout)
 {
-        request(url, LLURLRequest::HTTP_POST, new LLSDInjector(body), responder);
+        request(url, LLURLRequest::HTTP_POST, new LLSDInjector(body), responder, timeout);
 }
 
-void LLHTTPClient::post(const std::string& url, const U8* data, S32 size, ResponderPtr responder)
+void LLHTTPClient::post(const std::string& url, const U8* data, S32 size, ResponderPtr responder, const F32 timeout)
 {
-        request(url, LLURLRequest::HTTP_POST, new RawInjector(data, size), responder);
+        request(url, LLURLRequest::HTTP_POST, new RawInjector(data, size), responder, timeout);
 }
 
-void LLHTTPClient::del(const std::string& url, ResponderPtr responder)
+void LLHTTPClient::del(const std::string& url, ResponderPtr responder, const F32 timeout)
 {
-        request(url, LLURLRequest::HTTP_DELETE, NULL, responder);
+        request(url, LLURLRequest::HTTP_DELETE, NULL, responder, timeout);
 }
 
 #if 1
-void LLHTTPClient::postFile(const std::string& url, const std::string& filename, ResponderPtr responder)
+void LLHTTPClient::postFile(const std::string& url, const std::string& filename, ResponderPtr responder, const F32 timeout)
 {
-        request(url, LLURLRequest::HTTP_POST, new FileInjector(filename), responder);
+        request(url, LLURLRequest::HTTP_POST, new FileInjector(filename), responder, timeout);
 }
 
 void LLHTTPClient::postFile(const std::string& url, const LLUUID& uuid,
-                                                        LLAssetType::EType asset_type, ResponderPtr responder)
+                                                        LLAssetType::EType asset_type, ResponderPtr responder, const F32 timeout)
 {
-        request(url, LLURLRequest::HTTP_POST, new VFileInjector(uuid, asset_type), responder);
+        request(url, LLURLRequest::HTTP_POST, new VFileInjector(uuid, asset_type), responder, timeout);
 }
 #endif
 
@@ -401,7 +426,7 @@ namespace boost
         
         void intrusive_ptr_release(LLHTTPClient::Responder* p)
         {
-                if(0 == --p->mReferenceCount)
+                if(p && 0 == --p->mReferenceCount)
                 {
                         delete p;
                 }
diff --git a/linden/indra/llmessage/llhttpclient.h b/linden/indra/llmessage/llhttpclient.h
index 93859eb..136577c 100644
--- a/linden/indra/llmessage/llhttpclient.h
+++ b/linden/indra/llmessage/llhttpclient.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2006-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -38,6 +39,8 @@
 
 #include "llassettype.h"
 
+extern const F32 HTTP_REQUEST_EXPIRY_SECS;
+
 class LLUUID;
 class LLPumpIO;
 class LLSD;
@@ -69,19 +72,19 @@ public:
 
         typedef boost::intrusive_ptr<Responder> ResponderPtr;
         
-        static void get(const std::string& url, ResponderPtr);
-        static void put(const std::string& url, const LLSD& body, ResponderPtr);
+        static void get(const std::string& url, ResponderPtr, const F32 timeout=HTTP_REQUEST_EXPIRY_SECS);
+        static void put(const std::string& url, const LLSD& body, ResponderPtr, const F32 timeout=HTTP_REQUEST_EXPIRY_SECS);
                 ///< non-blocking
-        static void post(const std::string& url, const LLSD& body, ResponderPtr);
-        static void post(const std::string& url, const U8* data, S32 size, ResponderPtr responder);
-        static void postFile(const std::string& url, const std::string& filename, ResponderPtr);
+        static void post(const std::string& url, const LLSD& body, ResponderPtr, const F32 timeout=HTTP_REQUEST_EXPIRY_SECS);
+        static void post(const std::string& url, const U8* data, S32 size, ResponderPtr responder, const F32 timeout=HTTP_REQUEST_EXPIRY_SECS);
+        static void postFile(const std::string& url, const std::string& filename, ResponderPtr, const F32 timeout=HTTP_REQUEST_EXPIRY_SECS);
         static void postFile(const std::string& url, const LLUUID& uuid,
-                LLAssetType::EType asset_type, ResponderPtr responder);
+                LLAssetType::EType asset_type, ResponderPtr responder, const F32 timeout=HTTP_REQUEST_EXPIRY_SECS);
 
         // Blocking HTTP get that returns an LLSD map of status and body.
         static LLSD blockingGet(const std::string& url);
 
-        static void del(const std::string& url, ResponderPtr);
+        static void del(const std::string& url, ResponderPtr, const F32 timeout=HTTP_REQUEST_EXPIRY_SECS);
                 ///< sends a DELETE method, but we can't call it delete in c++
         
         
diff --git a/linden/indra/llmessage/llhttpnode.cpp b/linden/indra/llmessage/llhttpnode.cpp
index e997415..97064a1 100644
--- a/linden/indra/llmessage/llhttpnode.cpp
+++ b/linden/indra/llmessage/llhttpnode.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2006-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llhttpnode.h b/linden/indra/llmessage/llhttpnode.h
index bbce091..ae64a63 100644
--- a/linden/indra/llmessage/llhttpnode.h
+++ b/linden/indra/llmessage/llhttpnode.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2006-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llhttpsender.cpp b/linden/indra/llmessage/llhttpsender.cpp
new file mode 100644
index 0000000..f96e6d2
--- /dev/null
+++ b/linden/indra/llmessage/llhttpsender.cpp
@@ -0,0 +1,90 @@
+/** 
+ * @file llhttpsender.cpp
+ * @brief Abstracts details of sending messages via HTTP.
+ *
+ * Copyright (c) 2007-2007, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ */
+
+#include "linden_common.h"
+
+#include "llhttpsender.h"
+
+#include <map>
+#include <sstream>
+
+#include "llhost.h"
+#include "llsd.h"
+
+namespace
+{
+        typedef std::map<LLHost, LLHTTPSender*> SenderMap;
+        static SenderMap senderMap;
+}
+
+//virtual 
+LLHTTPSender::~LLHTTPSender()
+{
+}
+
+//virtual 
+void LLHTTPSender::send(const LLHost& host, const char* name, 
+                                                const LLSD& body, 
+                                                LLHTTPClient::ResponderPtr response) const
+{
+        // Default implementation inserts sender, message and sends HTTP POST
+        std::ostringstream stream;
+        stream << "http://" << host << "/trusted-message/" << name;
+        llinfos << "LLHTTPSender::send: POST to " << stream.str() << llendl;
+        LLHTTPClient::post(stream.str(), body, response);
+}
+
+//static 
+void LLHTTPSender::setSender(const LLHost& host, LLHTTPSender* sender)
+{
+        llinfos << "LLHTTPSender::setSender " << host << llendl;
+        senderMap[host] = sender;
+}
+
+//static
+const LLHTTPSender& LLHTTPSender::getSender(const LLHost& host)
+{
+        static LLHTTPSender defaultSender;
+        SenderMap::const_iterator iter = senderMap.find(host);
+        if(iter == senderMap.end())
+        {
+                return defaultSender;
+        }
+        return *(iter->second);
+}
+
+//static 
+void LLHTTPSender::clearSender(const LLHost& host)
+{
+        SenderMap::iterator iter = senderMap.find(host);
+        if(iter != senderMap.end())
+        {
+                delete iter->second;
+                senderMap.erase(iter);
+        }
+}
diff --git a/linden/indra/llmessage/llhttpsender.h b/linden/indra/llmessage/llhttpsender.h
new file mode 100644
index 0000000..650a0e9
--- /dev/null
+++ b/linden/indra/llmessage/llhttpsender.h
@@ -0,0 +1,58 @@
+/** 
+ * @file llhttpsender.h
+ * @brief Abstracts details of sending messages via HTTP.
+ *
+ * Copyright (c) 2007-2007, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ */
+
+#ifndef LL_HTTP_SENDER_H
+#define LL_HTTP_SENDER_H
+
+#include "llhttpclient.h"
+
+class LLHost;
+class LLSD;
+
+class LLHTTPSender
+{
+ public:
+
+        virtual ~LLHTTPSender();
+
+        /** @brief Send message to host with body, call response when done */ 
+        virtual void send(const LLHost& host, 
+                                          const char* message, const LLSD& body, 
+                                          LLHTTPClient::ResponderPtr response) const;
+
+        /** @brief Set sender for host, takes ownership of sender. */
+        static void setSender(const LLHost& host, LLHTTPSender* sender);
+
+        /** @brief Get sender for host, retains ownership of returned sender. */
+        static const LLHTTPSender& getSender(const LLHost& host);
+        
+        /** @brief Clear sender for host. */
+        static void clearSender(const LLHost& host);
+};
+
+#endif // LL_HTTP_SENDER_H
diff --git a/linden/indra/llmessage/llinstantmessage.cpp b/linden/indra/llmessage/llinstantmessage.cpp
index 6f6e022..0ba7629 100644
--- a/linden/indra/llmessage/llinstantmessage.cpp
+++ b/linden/indra/llmessage/llinstantmessage.cpp
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -35,6 +36,7 @@
 #include "lluuid.h"
 #include "llsd.h"
 #include "llsdserialize.h"
+#include "llsdutil.h"
 #include "llmemory.h"
 #include "message.h"
 
@@ -226,8 +228,21 @@ void pack_instant_message_block(
         S32 bytes_left = MTUBYTES;
         if(message)
         {
-                char buffer[MTUBYTES];  /*Flawfinder: ignore*/
-                bytes_left -= snprintf(buffer, MTUBYTES, "%s", message);        /*Flawfinder: ignore*/
+                char buffer[MTUBYTES];
+                int num_written = snprintf(buffer, MTUBYTES, "%s", message);    /* Flawfinder: ignore */
+                // snprintf returns number of bytes that would have been written
+                // had the output not being truncated. In that case, it will
+                // return either -1 or value >= passed in size value . So a check needs to be added
+                // to detect truncation, and if there is any, only account for the
+                // actual number of bytes written..and not what could have been
+                // written.
+                if (num_written < 0 || num_written >= MTUBYTES)
+                {
+                        num_written = MTUBYTES - 1;
+                        llwarns << "pack_instant_message_block: message truncated: " << message << llendl;
+                }
+
+                bytes_left -= num_written;
                 bytes_left = llmax(0, bytes_left);
                 msg->addStringFast(_PREHASH_Message, buffer);
         }
@@ -296,6 +311,35 @@ void LLIMInfo::unpackMessageBlock(LLMessageSystem* msg)
         }
 }
 
+LLSD im_info_to_llsd(LLPointer<LLIMInfo> im_info)
+{
+        LLSD param_version;
+        param_version["version"] = 1;
+        LLSD param_message;
+        param_message["from_id"] = im_info->mFromID;
+        param_message["from_group"] = im_info->mFromGroup;
+        param_message["to_id"] = im_info->mToID;
+        param_message["from_name"] = im_info->mName;
+        param_message["message"] = im_info->mMessage;
+        param_message["type"] = (S32)im_info->mIMType;
+        param_message["id"] = im_info->mID;
+        param_message["timestamp"] = (S32)im_info->mTimeStamp;
+        param_message["offline"] = (S32)im_info->mOffline;
+        param_message["parent_estate_id"] = (S32)im_info->mParentEstateID;
+        param_message["region_id"] = im_info->mRegionID;
+        param_message["position"] = ll_sd_from_vector3(im_info->mPosition);
+        if (im_info->mData) param_message["data"] = im_info->mData;
+        LLSD param_agent;
+        param_agent["agent_id"] = im_info->mFromID;
+
+        LLSD params;
+        params.append(param_version);
+        params.append(param_message);
+        params.append(param_agent);
+
+        return params;
+}
+
 LLPointer<LLIMInfo> LLIMInfo::clone()
 {
         return new LLIMInfo(
diff --git a/linden/indra/llmessage/llinstantmessage.h b/linden/indra/llmessage/llinstantmessage.h
index a7074a2..0b2de19 100644
--- a/linden/indra/llmessage/llinstantmessage.h
+++ b/linden/indra/llmessage/llinstantmessage.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2002-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -93,17 +94,19 @@ enum EInstantMessage
         // communicate with each other.
         //
 
-        // Start a session, or add users to a session.
+        // Add users to a session.
         IM_SESSION_ADD = 13,
 
-        // Start a session, but don't prune offline users
-        IM_SESSION_OFFLINE_ADD = 14,
+        // IM sent automatically on call for help, 
+        // sets up a way for each Helper reached to teleport to the
+        // helpee
+        IM_SESSION_911_SEND = 14,
 
         // start a session with your gruop
         IM_SESSION_GROUP_START = 15,
 
         // start a session without a calling card (finder or objects)
-        IM_SESSION_CARDLESS_START = 16,
+        IM_SESSION_CONFERENCE_START = 16,
 
         // send a message to a session.
         IM_SESSION_SEND = 17,
@@ -142,9 +145,9 @@ enum EInstantMessage
         // Binary bucket contains the name of the session.
         IM_SESSION_911_START = 29,
 
-        // IM sent automatically on call for help, 
-        // sends a lure to each Helper reached
-        IM_LURE_911 = 30,
+        // IM for requesting to teleport to the creator
+        // of a livehelp session (assuming they are verified first)
+        IM_TELEPORT_911 = 30,
 
         // a message generated by a script which we don't want to
         // be sent through e-mail.  Similar to IM_FROM_TASK, but
@@ -285,6 +288,7 @@ public:
         S32 mTTL;
 };
 
+LLSD im_info_to_llsd(LLPointer<LLIMInfo> im_info);
 
 void pack_instant_message(
         LLMessageSystem* msgsystem,
diff --git a/linden/indra/llmessage/llinvite.h b/linden/indra/llmessage/llinvite.h
index ac54058..d3774c4 100644
--- a/linden/indra/llmessage/llinvite.h
+++ b/linden/indra/llmessage/llinvite.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2002-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/lliobuffer.cpp b/linden/indra/llmessage/lliobuffer.cpp
index 506bd76..7dea578 100644
--- a/linden/indra/llmessage/lliobuffer.cpp
+++ b/linden/indra/llmessage/lliobuffer.cpp
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/lliobuffer.h b/linden/indra/llmessage/lliobuffer.h
index 59d7074..ac24576 100644
--- a/linden/indra/llmessage/lliobuffer.h
+++ b/linden/indra/llmessage/lliobuffer.h
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/lliohttpserver.cpp b/linden/indra/llmessage/lliohttpserver.cpp
index 25c1aef..9ea7272 100644
--- a/linden/indra/llmessage/lliohttpserver.cpp
+++ b/linden/indra/llmessage/lliohttpserver.cpp
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -46,6 +47,8 @@
 #include "llsdserialize_xml.h"
 #include "llstl.h"
 
+#include <sstream>
+
 static const char HTTP_VERSION_STR[] = "HTTP/1.0";
 static const std::string CONTEXT_REQUEST("request");
 static const std::string HTTP_VERB_GET("GET");
@@ -393,7 +396,7 @@ LLIOPipe::EStatus LLHTTPResponseHeader::process_impl(
 class LLHTTPResponder : public LLIOPipe
 {
 public:
-        LLHTTPResponder(const LLHTTPNode& tree);
+        LLHTTPResponder(const LLHTTPNode& tree, const LLSD& ctx);
         ~LLHTTPResponder();
 
 protected:
@@ -454,6 +457,7 @@ protected:
                 STATE_SHORT_CIRCUIT
         };
 
+        LLSD mBuildContext;
         EState mState;
         U8* mLastRead;
         std::string mVerb;
@@ -462,12 +466,14 @@ protected:
         std::string mQuery;
         std::string mVersion;
         S32 mContentLength;
+        LLSD mHeaders;
 
         // handle the urls
         const LLHTTPNode& mRootNode;
 };
 
-LLHTTPResponder::LLHTTPResponder(const LLHTTPNode& tree) :
+LLHTTPResponder::LLHTTPResponder(const LLHTTPNode& tree, const LLSD& ctx) :
+        mBuildContext(ctx),
         mState(STATE_NOTHING),
         mLastRead(NULL),
         mContentLength(0),
@@ -655,6 +661,11 @@ LLIOPipe::EStatus LLHTTPResponder::process_impl(
                                                 lldebugs << "Content-Length: " << value << llendl;
                                                 mContentLength = atoi(value.c_str());
                                         }
+                                        else
+                                        {
+                                                LLString::trimTail(value);
+                                                mHeaders[name] = value;
+                                        }
                                 }
                         }
                 }
@@ -720,6 +731,11 @@ LLIOPipe::EStatus LLHTTPResponder::process_impl(
                         chain.push_back(LLIOPipe::ptr_t(new LLIOFlush));
                         context[CONTEXT_REQUEST]["path"] = mPath;
                         context[CONTEXT_REQUEST]["query-string"] = mQuery;
+                        context[CONTEXT_REQUEST]["remote-host"]
+                                = mBuildContext["remote-host"];
+                        context[CONTEXT_REQUEST]["remote-port"]
+                                = mBuildContext["remote-port"];
+                        context[CONTEXT_REQUEST]["headers"] = mHeaders;
 
                         const LLChainIOFactory* protocolHandler
                                 = node->getProtocolHandler();
@@ -804,9 +820,10 @@ LLIOPipe::EStatus LLHTTPResponder::process_impl(
 
 
 
-void LLCreateHTTPPipe(LLPumpIO::chain_t& chain, const LLHTTPNode& root)
+void LLCreateHTTPPipe(LLPumpIO::chain_t& chain,
+                const LLHTTPNode& root, const LLSD& ctx)
 {
-        chain.push_back(LLIOPipe::ptr_t(new LLHTTPResponder(root)));
+        chain.push_back(LLIOPipe::ptr_t(new LLHTTPResponder(root, ctx)));
 }
 
 
@@ -815,7 +832,7 @@ class LLHTTPResponseFactory : public LLChainIOFactory
 public:
         bool build(LLPumpIO::chain_t& chain, LLSD ctx) const
         {
-                LLCreateHTTPPipe(chain, mTree);
+                LLCreateHTTPPipe(chain, mTree, ctx);
                 return true;
         }
 
diff --git a/linden/indra/llmessage/lliohttpserver.h b/linden/indra/llmessage/lliohttpserver.h
index efbd7db..64dce63 100644
--- a/linden/indra/llmessage/lliohttpserver.h
+++ b/linden/indra/llmessage/lliohttpserver.h
@@ -5,6 +5,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -50,7 +51,8 @@ LLHTTPNode& LLCreateHTTPServer(apr_pool_t* pool, LLPumpIO& pump, U16 port);
          *   for example), use the helper templates below.
          */
  
-void LLCreateHTTPPipe(LLPumpIO::chain_t& chain, const LLHTTPNode& root);
+void LLCreateHTTPPipe(LLPumpIO::chain_t& chain,
+                const LLHTTPNode& root, const LLSD& ctx);
         /**< Create a pipe on the chain that handles HTTP requests.
          *   The requests are served by the node tree given at root.
          *
diff --git a/linden/indra/llmessage/lliopipe.cpp b/linden/indra/llmessage/lliopipe.cpp
index 86a36d8..a37b046 100644
--- a/linden/indra/llmessage/lliopipe.cpp
+++ b/linden/indra/llmessage/lliopipe.cpp
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2004-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/lliopipe.h b/linden/indra/llmessage/lliopipe.h
index f419703..38a98a6 100644
--- a/linden/indra/llmessage/lliopipe.h
+++ b/linden/indra/llmessage/lliopipe.h
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2004-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -256,7 +257,7 @@ namespace boost
         }
         inline void intrusive_ptr_release(LLIOPipe* p)
         {
-                if(0 == --p->mReferenceCount)
+                if(p && 0 == --p->mReferenceCount)
                 {
                         delete p;
                 }
diff --git a/linden/indra/llmessage/lliosocket.cpp b/linden/indra/llmessage/lliosocket.cpp
index 628f884..af22180 100644
--- a/linden/indra/llmessage/lliosocket.cpp
+++ b/linden/indra/llmessage/lliosocket.cpp
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -538,9 +539,20 @@ LLIOPipe::EStatus LLIOServerSocket::process_impl(
         if(llsocket)
         {
                 PUMP_DEBUG;
+
+                apr_sockaddr_t* remote_addr;
+                apr_socket_addr_get(&remote_addr, APR_REMOTE, socket);
+                
+                char* remote_host_string;
+                apr_sockaddr_ip_get(&remote_host_string, remote_addr);
+
+                LLSD context;
+                context["remote-host"] = remote_host_string;
+                context["remote-port"] = remote_addr->port;
+
                 LLPumpIO::chain_t chain;
                 chain.push_back(LLIOPipe::ptr_t(new LLIOSocketReader(llsocket)));
-                if(mReactor->build(chain, LLSD()))
+                if(mReactor->build(chain, context))
                 {
                         chain.push_back(LLIOPipe::ptr_t(new LLIOSocketWriter(llsocket)));
                         pump->addChain(chain, mResponseTimeout);
diff --git a/linden/indra/llmessage/lliosocket.h b/linden/indra/llmessage/lliosocket.h
index f994404..0f5eae8 100644
--- a/linden/indra/llmessage/lliosocket.h
+++ b/linden/indra/llmessage/lliosocket.h
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llioutil.cpp b/linden/indra/llmessage/llioutil.cpp
index 76eeb02..21e36fa 100644
--- a/linden/indra/llmessage/llioutil.cpp
+++ b/linden/indra/llmessage/llioutil.cpp
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llioutil.h b/linden/indra/llmessage/llioutil.h
index 54b3d39..27cd39a 100644
--- a/linden/indra/llmessage/llioutil.h
+++ b/linden/indra/llmessage/llioutil.h
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llloginflags.h b/linden/indra/llmessage/llloginflags.h
index b518849..7725419 100644
--- a/linden/indra/llmessage/llloginflags.h
+++ b/linden/indra/llmessage/llloginflags.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2003-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/lllogtextmessage.cpp b/linden/indra/llmessage/lllogtextmessage.cpp
index 06cc9c8..06c88b9 100644
--- a/linden/indra/llmessage/lllogtextmessage.cpp
+++ b/linden/indra/llmessage/lllogtextmessage.cpp
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/lllogtextmessage.h b/linden/indra/llmessage/lllogtextmessage.h
index 2413376..89fb90c 100644
--- a/linden/indra/llmessage/lllogtextmessage.h
+++ b/linden/indra/llmessage/lllogtextmessage.h
@@ -7,6 +7,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llmail.cpp b/linden/indra/llmessage/llmail.cpp
index aea3689..793cb19 100644
--- a/linden/indra/llmessage/llmail.cpp
+++ b/linden/indra/llmessage/llmail.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llmail.h b/linden/indra/llmessage/llmail.h
index b1dc3b5..26aaa3a 100644
--- a/linden/indra/llmessage/llmail.h
+++ b/linden/indra/llmessage/llmail.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llmessage.vcproj b/linden/indra/llmessage/llmessage.vcproj
index 11f4dbf..ac16f52 100644
--- a/linden/indra/llmessage/llmessage.vcproj
+++ b/linden/indra/llmessage/llmessage.vcproj
@@ -201,6 +201,9 @@
                                 RelativePath=".\llhttpnode.cpp">
                         </File>
                         <File
+                                RelativePath=".\llhttpsender.cpp">
+                        </File>
+                        <File
                                 RelativePath=".\llinstantmessage.cpp">
                         </File>
                         <File
@@ -225,6 +228,18 @@
                                 RelativePath=".\llmail.cpp">
                         </File>
                         <File
+                                RelativePath=".\llmessagebuilder.cpp">
+                        </File>
+                        <File
+                                RelativePath=".\llmessageconfig.cpp">
+                        </File>
+                        <File
+                                RelativePath=".\llmessagereader.cpp">
+                        </File>
+                        <File
+                                RelativePath=".\llmessagetemplate.cpp">
+                        </File>
+                        <File
                                 RelativePath=".\llmessagethrottle.cpp">
                         </File>
                         <File
@@ -255,7 +270,10 @@
                                 RelativePath=".\llsdhttpserver.cpp">
                         </File>
                         <File
-                                RelativePath=".\llsdmessagesystem.cpp">
+                                RelativePath=".\llsdmessagebuilder.cpp">
+                        </File>
+                        <File
+                                RelativePath=".\llsdmessagereader.cpp">
                         </File>
                         <File
                                 RelativePath=".\llsdrpcclient.cpp">
@@ -267,6 +285,15 @@
                                 RelativePath=".\llservice.cpp">
                         </File>
                         <File
+                                RelativePath=".\llservicebuilder.cpp">
+                        </File>
+                        <File
+                                RelativePath=".\lltemplatemessagebuilder.cpp">
+                        </File>
+                        <File
+                                RelativePath=".\lltemplatemessagereader.cpp">
+                        </File>
+                        <File
                                 RelativePath=".\llthrottle.cpp">
                         </File>
                         <File
@@ -410,6 +437,9 @@
                                 RelativePath=".\llhttpclient.h">
                         </File>
                         <File
+                                RelativePath=".\llhttpsender.h">
+                        </File>
+                        <File
                                 RelativePath=".\llinstantmessage.h">
                         </File>
                         <File
@@ -443,6 +473,12 @@
                                 RelativePath=".\llmail.h">
                         </File>
                         <File
+                                RelativePath=".\llmessageconfig.h">
+                        </File>
+                        <File
+                                RelativePath=".\llmessagetemplate.h">
+                        </File>
+                        <File
                                 RelativePath=".\llmessagethrottle.h">
                         </File>
                         <File
@@ -485,7 +521,10 @@
                                 RelativePath=".\llsdhttpserver.h">
                         </File>
                         <File
-                                RelativePath=".\llsdmessagesystem.h">
+                                RelativePath=".\llsdmessagebuilder.h">
+                        </File>
+                        <File
+                                RelativePath=".\llsdmessagereader.h">
                         </File>
                         <File
                                 RelativePath=".\llsdrpcclient.h">
@@ -497,12 +536,21 @@
                                 RelativePath=".\llservice.h">
                         </File>
                         <File
+                                RelativePath=".\llservicebuilder.h">
+                        </File>
+                        <File
                                 RelativePath=".\lltaskname.h">
                         </File>
                         <File
                                 RelativePath=".\llteleportflags.h">
                         </File>
                         <File
+                                RelativePath=".\lltemplatemessagebuilder.h">
+                        </File>
+                        <File
+                                RelativePath=".\lltemplatemessagereader.h">
+                        </File>
+                        <File
                                 RelativePath=".\llthrottle.h">
                         </File>
                         <File
diff --git a/linden/indra/newview/llviewerreputation.h b/linden/indra/llmessage/llmessagebuilder.cpp
index 04c8fd3..364e417 100644
--- a/linden/indra/newview/llviewerreputation.h
+++ b/linden/indra/llmessage/llmessagebuilder.cpp
@@ -1,9 +1,10 @@
 /** 
- * @file llviewerreputation.h
- * @brief Viewer-side handling of reputation system
+ * @file llmessagebuilder.cpp
+ * @brief LLMessageBuilder class implementation
  *
- * Copyright (c) 2002-2007, Linden Research, Inc.
+ * Copyright (c) 2006-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -25,16 +26,13 @@
  * COMPLETENESS OR PERFORMANCE.
  */
 
-#ifndef LLVIEWERREPUTATION_H
-#define LLVIEWERREPUTATION_H
+#include "linden_common.h"
 
-class LLMessageSystem;
-class LLUUID;
+#include "llmessagebuilder.h"
 
+//virtual
+LLMessageBuilder::~LLMessageBuilder()
+{
+        // even abstract base classes need a concrete destructor
+}
 
-// messaging
-void send_reputation_agent_assign( const LLUUID& rator, const LLUUID& ratee, F32 behavior, F32 appearance, F32 building, const char* text = NULL);
-void send_reputation_agent_request(const LLUUID& ratee_id);
-
-
-#endif
diff --git a/linden/indra/llmessage/llmessagebuilder.h b/linden/indra/llmessage/llmessagebuilder.h
new file mode 100644
index 0000000..7ae09c5
--- /dev/null
+++ b/linden/indra/llmessage/llmessagebuilder.h
@@ -0,0 +1,70 @@
+#ifndef LL_LLMESSAGEBUILDER_H
+#define LL_LLMESSAGEBUILDER_H
+
+#include <string>
+
+#include "stdtypes.h"
+
+class LLMsgData;
+class LLQuaternion;
+class LLSD;
+class LLUUID;
+class LLVector3;
+class LLVector3d;
+class LLVector4;
+
+class LLMessageBuilder
+{
+public:
+
+        //CLASS_LOG_TYPE(LLMessageBuilder);
+        
+        virtual ~LLMessageBuilder();
+        virtual void newMessage(const char *name) = 0;
+
+        virtual void nextBlock(const char* blockname) = 0;
+        virtual BOOL removeLastBlock() = 0; // TODO: babbage: remove this horror
+
+        /** All add* methods expect pointers to canonical strings. */
+        virtual void addBinaryData(const char *varname, const void *data, 
+                                                           S32 size) = 0;
+        virtual void addBOOL(const char* varname, BOOL b) = 0;
+        virtual void addS8(const char *varname, S8 s) = 0;
+        virtual void addU8(const char *varname, U8 u) = 0;
+        virtual void addS16(const char *varname, S16 i) = 0;
+        virtual void addU16(const char *varname, U16 i) = 0;
+        virtual void addF32(const char *varname, F32 f) = 0;
+        virtual void addS32(const char *varname, S32 s) = 0;
+        virtual void addU32(const char *varname, U32 u) = 0;
+        virtual void addU64(const char *varname, U64 lu) = 0;
+        virtual void addF64(const char *varname, F64 d) = 0;
+        virtual void addVector3(const char *varname, const LLVector3& vec) = 0;
+        virtual void addVector4(const char *varname, const LLVector4& vec) = 0;
+        virtual void addVector3d(const char *varname, const LLVector3d& vec) = 0;
+        virtual void addQuat(const char *varname, const LLQuaternion& quat) = 0;
+        virtual void addUUID(const char *varname, const LLUUID& uuid) = 0;
+        virtual void addIPAddr(const char *varname, const U32 ip) = 0;
+        virtual void addIPPort(const char *varname, const U16 port) = 0;
+        virtual void addString(const char* varname, const char* s) = 0;
+        virtual void addString(const char* varname, const std::string& s) = 0;
+
+        virtual BOOL isMessageFull(const char* blockname) const = 0;
+        virtual void compressMessage(U8*& buf_ptr, U32& buffer_length) = 0;
+        virtual S32 getMessageSize() = 0;
+
+        virtual BOOL isBuilt() const = 0;
+        virtual BOOL isClear() const = 0;
+        virtual U32 buildMessage(U8* buffer, U32 buffer_size) = 0; 
+        /**< Return built message size */
+        virtual void clearMessage() = 0;
+
+        // TODO: babbage: remove this horror
+        virtual void setBuilt(BOOL b) = 0;
+
+        virtual const char* getMessageName() const = 0;
+
+        virtual void copyFromMessageData(const LLMsgData& data) = 0;
+        virtual void copyFromLLSD(const LLSD& data) = 0;
+};
+
+#endif //  LL_LLMESSAGEBUILDER_H
diff --git a/linden/indra/llmessage/llmessageconfig.cpp b/linden/indra/llmessage/llmessageconfig.cpp
new file mode 100644
index 0000000..a0566ea
--- /dev/null
+++ b/linden/indra/llmessage/llmessageconfig.cpp
@@ -0,0 +1,230 @@
+/** 
+ * @file llmessageconfig.cpp
+ * @brief Live file handling for messaging
+ *
+ * Copyright (c) 2000-2007, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ */
+
+#include "linden_common.h"
+
+#include "llmessageconfig.h"
+#include "llfile.h"
+#include "lllivefile.h"
+#include "llsd.h"
+#include "llsdserialize.h"
+
+static const char messageConfigFileName[] = "message.xml";
+static const F32 messageConfigRefreshRate = 5.0; // seconds
+static std::string sServerName = "";
+static std::string sConfigDir = "";
+
+class LLMessageConfigFile : public LLLiveFile
+{
+private:
+        LLMessageConfigFile()
+        : LLLiveFile(fileName(), messageConfigRefreshRate),
+                  mChanged(false)
+            { }
+
+    static std::string fileName();
+    
+public:
+        static LLMessageConfigFile& instance();
+                // return the singleton configuration file
+
+protected:
+        /* virtual */ void loadFile();
+        void loadServerDefaults(const LLSD& data);
+        void loadMessages(const LLSD& data);
+
+public:
+    bool mChanged;
+        
+        std::string mServerDefault;
+        LLSD mMessages;
+};
+
+std::string LLMessageConfigFile::fileName()
+{
+    std::ostringstream ostr;
+        ostr << sConfigDir//gAppSimp->getOption("configdir").asString()
+                << "/" << messageConfigFileName;
+        return ostr.str();
+}
+
+LLMessageConfigFile& LLMessageConfigFile::instance()
+{
+        static LLMessageConfigFile the_file;
+        the_file.checkAndReload();
+        return the_file;
+}
+
+// virtual
+void LLMessageConfigFile::loadFile()
+{
+        LLSD data;
+    {
+        llifstream file(filename().c_str());
+        if (file.is_open())
+        {
+                        llinfos << "Loading message.xml file at " << fileName() << llendl;
+            LLSDSerialize::fromXML(data, file);
+        }
+
+        if (data.isUndefined())
+        {
+            llinfos << "LLMessageConfigFile::loadFile: file missing,"
+                                " ill-formed, or simply undefined; not changing the"
+                                " file" << llendl;
+            return;
+        }
+    }
+        loadServerDefaults(data);
+        loadMessages(data);
+}
+
+void LLMessageConfigFile::loadServerDefaults(const LLSD& data)
+{
+        mServerDefault = data["serverDefaults"][sServerName].asString();
+        lldebugs << "loading default " << mServerDefault << llendl;
+}
+
+void LLMessageConfigFile::loadMessages(const LLSD& data)
+{
+        mMessages = data["messages"];
+        std::ostringstream out;
+        LLSDXMLFormatter *formatter = new LLSDXMLFormatter;
+        formatter->format(mMessages, out);
+        lldebugs << "loading ... " << out.str()
+                        << " LLMessageConfigFile::loadMessages loaded "
+                        << mMessages.size() << " messages" << llendl;
+}
+
+
+//---------------------------------------------------------------
+// LLMessageConfig
+//---------------------------------------------------------------
+
+//static
+void LLMessageConfig::initClass(const std::string& server_name,
+                                                                const std::string& config_dir)
+{
+        sServerName = server_name;
+        sConfigDir = config_dir;
+        (void) LLMessageConfigFile::instance();
+        llinfos << "LLMessageConfig::intiClass config file "
+                        << config_dir << "/" << messageConfigFileName << llendl;
+}
+
+//static
+bool LLMessageConfig::isServerDefaultBuilderLLSD()
+{
+        if (sServerName.empty())
+        {
+                llerrs << "LLMessageConfig::isServerDefaultBuilderLLSD() before"
+                                << " LLMessageConfig::initClass()" << llendl;
+        }
+        LLMessageConfigFile& file = LLMessageConfigFile::instance();
+        return (file.mServerDefault == "llsd");
+}
+
+//static
+bool LLMessageConfig::isServerDefaultBuilderTemplate()
+{
+        if (sServerName.empty())
+        {
+                llerrs << "LLMessageConfig::isServerDefaultBuilderTemplate() before"
+                                << " LLMessageConfig::initClass()" << llendl;
+        }
+        LLMessageConfigFile& file = LLMessageConfigFile::instance();
+        return (file.mServerDefault == "template");
+}
+
+//static
+bool LLMessageConfig::isMessageBuiltLLSD(const std::string& msg_name)
+{
+        if (sServerName.empty())
+        {
+                llerrs << "LLMessageConfig::isMessageBuiltLLSD(name) before"
+                                << " LLMessageConfig::initClass()" << llendl;
+        }
+        LLMessageConfigFile& file = LLMessageConfigFile::instance();
+        LLSD config = file.mMessages[msg_name];
+        if (!config.has("builder"))
+        {
+                return isServerDefaultBuilderLLSD();
+        }
+        return (config["builder"].asString() == "llsd");
+}
+
+//static
+bool LLMessageConfig::isMessageBuiltTemplate(const std::string& msg_name)
+{
+        if (sServerName.empty())
+        {
+                llerrs << "LLMessageConfig::isMessageBuiltTemplate(name) before"
+                                << " LLMessageConfig::initClass()" << llendl;
+        }
+        LLMessageConfigFile& file = LLMessageConfigFile::instance();
+        LLSD config = file.mMessages[msg_name];
+        if (!config.has("builder"))
+        {
+                return isServerDefaultBuilderTemplate();
+        }
+        return (config["builder"].asString() == "template");
+}
+
+//static
+bool LLMessageConfig::isMessageTrusted(const std::string& msg_name)
+{
+        if (sServerName.empty())
+        {
+                llerrs << "LLMessageConfig::isMessageTrusted(name) before"
+                                << " LLMessageConfig::initClass()" << llendl;
+        }
+        LLMessageConfigFile& file = LLMessageConfigFile::instance();
+        LLSD config = file.mMessages[msg_name];
+        if (!config.has("trusted-sender"))
+        {
+                return false;
+        }
+        return config["trusted-sender"].asBoolean();
+}
+
+//static
+bool LLMessageConfig::isValidUntrustedMessage(const std::string& msg_name)
+{
+        if (sServerName.empty())
+        {
+                llerrs << "LLMessageConfig::isMessageTrusted(name) before"
+                                << " LLMessageConfig::initClass()" << llendl;
+        }
+        LLMessageConfigFile& file = LLMessageConfigFile::instance();
+        LLSD config = file.mMessages[msg_name];
+        if (!config.has("trusted-sender"))
+        {
+                return false;
+        }
+        return !(config["trusted-sender"].asBoolean());
+}
diff --git a/linden/indra/llmessage/llmessageconfig.h b/linden/indra/llmessage/llmessageconfig.h
new file mode 100644
index 0000000..1664ce6
--- /dev/null
+++ b/linden/indra/llmessage/llmessageconfig.h
@@ -0,0 +1,51 @@
+/** 
+ * @file llmessageconfig.h
+ * @brief Live file handling for messaging
+ *
+ * Copyright (c) 2000-2007, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ */
+
+#ifndef LL_MESSAGECONFIG_H
+#define LL_MESSAGECONFIG_H
+
+#include <string>
+
+class LLMessageConfig
+{
+public:
+        static void initClass(const std::string& server_name,
+                                                  const std::string& config_dir);
+                // force loading of config file during startup process
+                // so it can be used for startup features
+
+        static bool isServerDefaultBuilderLLSD();
+        static bool isServerDefaultBuilderTemplate();
+
+        // For individual messages
+        static bool isMessageBuiltLLSD(const std::string& msg_name);
+        static bool isMessageBuiltTemplate(const std::string& msg_name);
+        static bool isMessageTrusted(const std::string& msg_name);
+        static bool isValidUntrustedMessage(const std::string& msg_name);
+};
+#endif // LL_MESSAGECONFIG_H
diff --git a/linden/indra/llmessage/llmessagereader.cpp b/linden/indra/llmessage/llmessagereader.cpp
new file mode 100644
index 0000000..4824480
--- /dev/null
+++ b/linden/indra/llmessage/llmessagereader.cpp
@@ -0,0 +1,35 @@
+#include "llmessagereader.h"
+
+static BOOL sTimeDecodes = FALSE;
+
+static F32 sTimeDecodesSpamThreshold = 0.05f;
+
+//virtual
+LLMessageReader::~LLMessageReader()
+{
+        // even abstract base classes need a concrete destructor
+}
+
+//static 
+void LLMessageReader::setTimeDecodes(BOOL b)
+{
+        sTimeDecodes = b;
+}
+
+//static 
+void LLMessageReader::setTimeDecodesSpamThreshold(F32 seconds)
+{
+        sTimeDecodesSpamThreshold = seconds;
+}
+
+//static 
+BOOL LLMessageReader::getTimeDecodes()
+{
+        return sTimeDecodes;
+}
+
+//static 
+F32 LLMessageReader::getTimeDecodesSpamThreshold()
+{
+        return sTimeDecodesSpamThreshold;
+}
diff --git a/linden/indra/llmessage/llmessagereader.h b/linden/indra/llmessage/llmessagereader.h
new file mode 100644
index 0000000..33ce928
--- /dev/null
+++ b/linden/indra/llmessage/llmessagereader.h
@@ -0,0 +1,59 @@
+#ifndef LL_LLMESSAGEREADER_H
+#define LL_LLMESSAGEREADER_H
+
+#include "stdtypes.h"
+
+class LLHost;
+class LLMessageBuilder;
+class LLMsgData;
+class LLQuaternion;
+class LLUUID;
+class LLVector3;
+class LLVector3d;
+class LLVector4;
+
+class LLMessageReader
+{
+ public:
+
+        virtual ~LLMessageReader();
+
+        /** All get* methods expect pointers to canonical strings. */
+        virtual void getBinaryData(const char *blockname, const char *varname, void *datap, S32 size, S32 blocknum = 0, S32 max_size = S32_MAX) = 0;
+        virtual void getBOOL(const char *block, const char *var, BOOL &data, S32 blocknum = 0) = 0;
+        virtual void getS8(const char *block, const char *var, S8 &data, S32 blocknum = 0) = 0;
+        virtual void getU8(const char *block, const char *var, U8 &data, S32 blocknum = 0) = 0;
+        virtual void getS16(const char *block, const char *var, S16 &data, S32 blocknum = 0) = 0;
+        virtual void getU16(const char *block, const char *var, U16 &data, S32 blocknum = 0) = 0;
+        virtual void getS32(const char *block, const char *var, S32 &data, S32 blocknum = 0) = 0;
+        virtual void getF32(const char *block, const char *var, F32 &data, S32 blocknum = 0) = 0;
+        virtual void getU32(const char *block, const char *var, U32 &data, S32 blocknum = 0) = 0;
+        virtual void getU64(const char *block, const char *var, U64 &data, S32 blocknum = 0) = 0;
+        virtual void getF64(const char *block, const char *var, F64 &data, S32 blocknum = 0) = 0;
+        virtual void getVector3(const char *block, const char *var, LLVector3 &vec, S32 blocknum = 0) = 0;
+        virtual void getVector4(const char *block, const char *var, LLVector4 &vec, S32 blocknum = 0) = 0;
+        virtual void getVector3d(const char *block, const char *var, LLVector3d &vec, S32 blocknum = 0) = 0;
+        virtual void getQuat(const char *block, const char *var, LLQuaternion &q, S32 blocknum = 0) = 0;
+        virtual void getUUID(const char *block, const char *var, LLUUID &uuid, S32 blocknum = 0) = 0;
+        virtual void getIPAddr(const char *block, const char *var, U32 &ip, S32 blocknum = 0) = 0;
+        virtual void getIPPort(const char *block, const char *var, U16 &port, S32 blocknum = 0) = 0;
+        virtual void getString(const char *block, const char *var, S32 buffer_size, char *buffer, S32 blocknum = 0) = 0;
+
+        virtual S32     getNumberOfBlocks(const char *blockname) = 0;
+        virtual S32     getSize(const char *blockname, const char *varname) = 0;
+        virtual S32     getSize(const char *blockname, S32 blocknum, const char *varname) = 0;
+
+        virtual void clearMessage() = 0;
+
+        virtual const char* getMessageName() const = 0;
+        virtual S32 getMessageSize() const = 0;
+
+        virtual void copyToBuilder(LLMessageBuilder&) const = 0;
+
+        static void setTimeDecodes(BOOL b);
+        static BOOL getTimeDecodes();
+        static void setTimeDecodesSpamThreshold(F32 seconds);
+        static F32 getTimeDecodesSpamThreshold();
+};
+
+#endif // LL_LLMESSAGEREADER_H
diff --git a/linden/indra/llmessage/llmessagetemplate.cpp b/linden/indra/llmessage/llmessagetemplate.cpp
new file mode 100644
index 0000000..026843d
--- /dev/null
+++ b/linden/indra/llmessage/llmessagetemplate.cpp
@@ -0,0 +1,146 @@
+#include "linden_common.h"
+
+#include "llmessagetemplate.h"
+
+#include "message.h"
+
+void LLMsgVarData::addData(const void *data, S32 size, EMsgVariableType type, S32 data_size)
+{
+        mSize = size;
+        mDataSize = data_size;
+        if ( (type != MVT_VARIABLE) && (type != MVT_FIXED) 
+                 && (mType != MVT_VARIABLE) && (mType != MVT_FIXED))
+        {
+                if (mType != type)
+                {
+                        llwarns << "Type mismatch in LLMsgVarData::addData for " << mName
+                                        << llendl;
+                }
+        }
+        if(size)
+        {
+                delete mData; // Delete it if it already exists
+                mData = new U8[size];
+                htonmemcpy(mData, data, mType, size);
+        }
+}
+
+void LLMsgData::addDataFast(char *blockname, char *varname, const void *data, S32 size, EMsgVariableType type, S32 data_size)
+{
+        // remember that if the blocknumber is > 0 then the number is appended to the name
+        char *namep = (char *)blockname;
+        LLMsgBlkData* block_data = mMemberBlocks[namep];
+        if (block_data->mBlockNumber)
+        {
+                namep += block_data->mBlockNumber;
+                block_data->addData(varname, data, size, type, data_size);
+        }
+        else
+        {
+                block_data->addData(varname, data, size, type, data_size);
+        }
+}
+
+// LLMessageVariable functions and friends
+
+std::ostream& operator<<(std::ostream& s, LLMessageVariable &msg)
+{
+        s << "\t\t" << msg.mName << " (";
+        switch (msg.mType)
+        {
+        case MVT_FIXED:
+                s << "Fixed, " << msg.mSize << " bytes total)\n";
+                break;
+        case MVT_VARIABLE:
+                s << "Variable, " << msg.mSize << " bytes of size info)\n";
+                break;
+        default:
+                s << "Unknown\n";
+                break;
+        }
+        return s;
+}
+
+// LLMessageBlock functions and friends
+
+std::ostream& operator<<(std::ostream& s, LLMessageBlock &msg)
+{
+        s << "\t" << msg.mName << " (";
+        switch (msg.mType)
+        {
+        case MBT_SINGLE:
+                s << "Fixed";
+                break;
+        case MBT_MULTIPLE:
+                s << "Multiple - " << msg.mNumber << " copies";
+                break;
+        case MBT_VARIABLE:
+                s << "Variable";
+                break;
+        default:
+                s << "Unknown";
+                break;
+        }
+        if (msg.mTotalSize != -1)
+        {
+                s << ", " << msg.mTotalSize << " bytes each, " << msg.mNumber*msg.mTotalSize << " bytes total)\n";
+        }
+        else
+        {
+                s << ")\n";
+        }
+
+
+        for (LLMessageBlock::message_variable_map_t::iterator iter = msg.mMemberVariables.begin();
+                 iter != msg.mMemberVariables.end(); iter++)
+        {
+                LLMessageVariable& ci = *(iter->second);
+                s << ci;
+        }
+
+        return s;
+}
+
+// LLMessageTemplate functions and friends
+
+std::ostream& operator<<(std::ostream& s, LLMessageTemplate &msg)
+{
+        switch (msg.mFrequency)
+        {
+        case MFT_HIGH:
+                s << "========================================\n" << "Message #" << msg.mMessageNumber << "\n" << msg.mName << " (";
+                s << "High";
+                break;
+        case MFT_MEDIUM:
+                s << "========================================\n" << "Message #";
+                s << (msg.mMessageNumber & 0xFF) << "\n" << msg.mName << " (";
+                s << "Medium";
+                break;
+        case MFT_LOW:
+                s << "========================================\n" << "Message #";
+                s << (msg.mMessageNumber & 0xFFFF) << "\n" << msg.mName << " (";
+                s << "Low";
+                break;
+        default:
+                s << "Unknown";
+                break;
+        }
+
+        if (msg.mTotalSize != -1)
+        {
+                s << ", " << msg.mTotalSize << " bytes total)\n";
+        }
+        else
+        {
+                s << ")\n";
+        }
+        
+        for (LLMessageTemplate::message_block_map_t::iterator iter = msg.mMemberBlocks.begin();
+                 iter != msg.mMemberBlocks.end(); iter++)
+        {
+                LLMessageBlock* ci = iter->second;
+                s << *ci;
+        }
+
+        return s;
+}
diff --git a/linden/indra/llmessage/llmessagetemplate.h b/linden/indra/llmessage/llmessagetemplate.h
new file mode 100644
index 0000000..8847ddc
--- /dev/null
+++ b/linden/indra/llmessage/llmessagetemplate.h
@@ -0,0 +1,356 @@
+#ifndef LL_LLMESSAGETEMPLATE_H
+#define LL_LLMESSAGETEMPLATE_H
+
+#include "lldarray.h"
+#include "message.h" // TODO: babbage: Remove...
+#include "llstl.h"
+
+class LLMsgVarData
+{
+public:
+        LLMsgVarData() : mName(NULL), mSize(-1), mDataSize(-1), mData(NULL), mType(MVT_U8)
+        {
+        }
+
+        LLMsgVarData(const char *name, EMsgVariableType type) : mSize(-1), mDataSize(-1), mData(NULL), mType(type)
+        {
+                mName = (char *)name; 
+        }
+
+        ~LLMsgVarData() 
+        {
+                // copy constructor just copies the mData pointer, so only delete mData explicitly
+        }
+        
+        void deleteData() 
+        {
+                delete[] mData;
+                mData = NULL;
+        }
+        
+        void addData(const void *indata, S32 size, EMsgVariableType type, S32 data_size = -1);
+
+        char *getName() const   { return mName; }
+        S32 getSize() const             { return mSize; }
+        void *getData()                 { return (void*)mData; }
+        const void *getData() const { return (const void*)mData; }
+        S32 getDataSize() const { return mDataSize; }
+        EMsgVariableType getType() const        { return mType; }
+
+protected:
+        char                            *mName;
+        S32                                     mSize;
+        S32                                     mDataSize;
+
+        U8                                      *mData;
+        EMsgVariableType        mType;
+};
+
+class LLMsgBlkData
+{
+public:
+        LLMsgBlkData(const char *name, S32 blocknum) : mOffset(-1), mBlockNumber(blocknum), mTotalSize(-1) 
+        { 
+                mName = (char *)name; 
+        }
+
+        ~LLMsgBlkData()
+        {
+                for (msg_var_data_map_t::iterator iter = mMemberVarData.begin();
+                         iter != mMemberVarData.end(); iter++)
+                {
+                        iter->deleteData();
+                }
+        }
+
+        void addVariable(const char *name, EMsgVariableType type)
+        {
+                LLMsgVarData tmp(name,type);
+                mMemberVarData[name] = tmp;
+        }
+
+        void addData(char *name, const void *data, S32 size, EMsgVariableType type, S32 data_size = -1)
+        {
+                LLMsgVarData* temp = &mMemberVarData[name]; // creates a new entry if one doesn't exist
+                temp->addData(data, size, type, data_size);
+        }
+
+        S32                                                                     mOffset;
+        S32                                                                     mBlockNumber;
+        typedef LLDynamicArrayIndexed<LLMsgVarData, const char *, 8> msg_var_data_map_t;
+        msg_var_data_map_t                                      mMemberVarData;
+        char                                                            *mName;
+        S32                                                                     mTotalSize;
+};
+
+class LLMsgData
+{
+public:
+        LLMsgData(const char *name) : mTotalSize(-1) 
+        { 
+                mName = (char *)name; 
+        }
+        ~LLMsgData()
+        {
+                for_each(mMemberBlocks.begin(), mMemberBlocks.end(), DeletePairedPointer());
+        }
+
+        void addBlock(LLMsgBlkData *blockp)
+        {
+                mMemberBlocks[blockp->mName] = blockp;
+        }
+
+        void addDataFast(char *blockname, char *varname, const void *data, S32 size, EMsgVariableType type, S32 data_size = -1);
+
+public:
+        S32                                                                     mOffset;
+        typedef std::map<char*, LLMsgBlkData*> msg_blk_data_map_t;
+        msg_blk_data_map_t                                      mMemberBlocks;
+        char                                                            *mName;
+        S32                                                                     mTotalSize;
+};
+
+// LLMessage* classes store the template of messages
+class LLMessageVariable
+{
+public:
+        LLMessageVariable() : mName(NULL), mType(MVT_NULL), mSize(-1)
+        {
+        }
+
+        LLMessageVariable(char *name) : mType(MVT_NULL), mSize(-1)
+        {
+                mName = name;
+        }
+
+        LLMessageVariable(char *name, const EMsgVariableType type, const S32 size) : mType(type), mSize(size) 
+        {
+                mName = gMessageStringTable.getString(name); 
+        }
+        
+        ~LLMessageVariable() {}
+
+        friend std::ostream&     operator<<(std::ostream& s, LLMessageVariable &msg);
+
+        EMsgVariableType getType() const                                { return mType; }
+        S32     getSize() const                                                         { return mSize; }
+        char *getName() const                                                   { return mName; }
+protected:
+        char                            *mName;
+        EMsgVariableType        mType;
+        S32                                     mSize;
+};
+
+
+typedef enum e_message_block_type
+{
+        MBT_NULL,
+        MBT_SINGLE,
+        MBT_MULTIPLE,
+        MBT_VARIABLE,
+        MBT_EOF
+} EMsgBlockType;
+
+class LLMessageBlock
+{
+public:
+        LLMessageBlock(char *name, EMsgBlockType type, S32 number = 1) : mType(type), mNumber(number), mTotalSize(0) 
+        { 
+                mName = gMessageStringTable.getString(name);
+        }
+
+        ~LLMessageBlock()
+        {
+                for_each(mMemberVariables.begin(), mMemberVariables.end(), DeletePairedPointer());
+        }
+
+        void addVariable(char *name, const EMsgVariableType type, const S32 size)
+        {
+                LLMessageVariable** varp = &mMemberVariables[name];
+                if (*varp != NULL)
+                {
+                        llerrs << name << " has already been used as a variable name!" << llendl;
+                }
+                *varp = new LLMessageVariable(name, type, size);
+                if (((*varp)->getType() != MVT_VARIABLE)
+                        &&(mTotalSize != -1))
+                {
+                        mTotalSize += (*varp)->getSize();
+                }
+                else
+                {
+                        mTotalSize = -1;
+                }
+        }
+
+        EMsgVariableType getVariableType(char *name)
+        {
+                return (mMemberVariables[name])->getType();
+        }
+
+        S32 getVariableSize(char *name)
+        {
+                return (mMemberVariables[name])->getSize();
+        }
+
+        friend std::ostream&     operator<<(std::ostream& s, LLMessageBlock &msg);
+
+        typedef std::map<const char *, LLMessageVariable*> message_variable_map_t;
+        message_variable_map_t                                  mMemberVariables;
+        char                                                                    *mName;
+        EMsgBlockType                                                   mType;
+        S32                                                                             mNumber;
+        S32                                                                             mTotalSize;
+};
+
+
+enum EMsgFrequency
+{
+        MFT_NULL        = 0,  // value is size of message number in bytes
+        MFT_HIGH        = 1,
+        MFT_MEDIUM      = 2,
+        MFT_LOW         = 4
+};
+
+typedef enum e_message_trust
+{
+        MT_TRUST,
+        MT_NOTRUST
+} EMsgTrust;
+
+enum EMsgEncoding
+{
+        ME_UNENCODED,
+        ME_ZEROCODED
+};
+
+class LLMessageTemplate
+{
+public:
+        LLMessageTemplate(const char *name, U32 message_number, EMsgFrequency freq)
+                : 
+                //mMemberBlocks(),
+                mName(NULL),
+                mFrequency(freq),
+                mTrust(MT_NOTRUST),
+                mEncoding(ME_ZEROCODED),
+                mMessageNumber(message_number), 
+                mTotalSize(0), 
+                mReceiveCount(0),
+                mReceiveBytes(0),
+                mReceiveInvalid(0),
+                mDecodeTimeThisFrame(0.f),
+                mTotalDecoded(0),
+                mTotalDecodeTime(0.f),
+                mMaxDecodeTimePerMsg(0.f),
+                mBanFromTrusted(false),
+                mBanFromUntrusted(false),
+                mHandlerFunc(NULL), 
+                mUserData(NULL)
+        { 
+                mName = gMessageStringTable.getString(name);
+        }
+
+        ~LLMessageTemplate()
+        {
+                for_each(mMemberBlocks.begin(), mMemberBlocks.end(), DeletePairedPointer());
+        }
+
+        void addBlock(LLMessageBlock *blockp)
+        {
+                LLMessageBlock** member_blockp = &mMemberBlocks[blockp->mName];
+                if (*member_blockp != NULL)
+                {
+                        llerrs << "Block " << blockp->mName
+                                << "has already been used as a block name!" << llendl;
+                }
+                *member_blockp = blockp;
+                if (  (mTotalSize != -1)
+                        &&(blockp->mTotalSize != -1)
+                        &&(  (blockp->mType == MBT_SINGLE)
+                           ||(blockp->mType == MBT_MULTIPLE)))
+                {
+                        mTotalSize += blockp->mNumber*blockp->mTotalSize;
+                }
+                else
+                {
+                        mTotalSize = -1;
+                }
+        }
+
+        LLMessageBlock *getBlock(char *name)
+        {
+                return mMemberBlocks[name];
+        }
+
+        // Trusted messages can only be recieved on trusted circuits.
+        void setTrust(EMsgTrust t)
+        {
+                mTrust = t;
+        }
+
+        EMsgTrust getTrust(void)
+        {
+                return mTrust;
+        }
+
+        // controls for how the message should be encoded
+        void setEncoding(EMsgEncoding e)
+        {
+                mEncoding = e;
+        }
+        EMsgEncoding getEncoding()
+        {
+                return mEncoding;
+        }
+
+        void setHandlerFunc(void (*handler_func)(LLMessageSystem *msgsystem, void **user_data), void **user_data)
+        {
+                mHandlerFunc = handler_func;
+                mUserData = user_data;
+        }
+
+        BOOL callHandlerFunc(LLMessageSystem *msgsystem)
+        {
+                if (mHandlerFunc)
+                {
+                        mHandlerFunc(msgsystem, mUserData);
+                        return TRUE;
+                }
+                return FALSE;
+        }
+
+        bool isBanned(bool trustedSource)
+        {
+                return trustedSource ? mBanFromTrusted : mBanFromUntrusted;
+        }
+
+        friend std::ostream&     operator<<(std::ostream& s, LLMessageTemplate &msg);
+
+public:
+        typedef std::map<char*, LLMessageBlock*> message_block_map_t;
+        message_block_map_t                                             mMemberBlocks;
+        char                                                                    *mName;
+        EMsgFrequency                                                   mFrequency;
+        EMsgTrust                                                               mTrust;
+        EMsgEncoding                                                    mEncoding;
+        U32                                                                             mMessageNumber;
+        S32                                                                             mTotalSize;
+        U32                                                                             mReceiveCount;          // how many of this template have been received since last reset
+        U32                                                                             mReceiveBytes;          // How many bytes received
+        U32                                                                             mReceiveInvalid;        // How many "invalid" packets
+        F32                                                                             mDecodeTimeThisFrame;   // Total seconds spent decoding this frame
+        U32                                                                             mTotalDecoded;          // Total messages successfully decoded
+        F32                                                                             mTotalDecodeTime;       // Total time successfully decoding messages
+        F32                                                                             mMaxDecodeTimePerMsg;
+
+        bool                                                                    mBanFromTrusted;
+        bool                                                                    mBanFromUntrusted;
+
+private:
+        // message handler function (this is set by each application)
+        void                                                                    (*mHandlerFunc)(LLMessageSystem *msgsystem, void **user_data);
+        void                                                                    **mUserData;
+};
+
+#endif // LL_LLMESSAGETEMPLATE_H
diff --git a/linden/indra/llmessage/llmessagethrottle.cpp b/linden/indra/llmessage/llmessagethrottle.cpp
index 309a1d9..07c22a5 100644
--- a/linden/indra/llmessage/llmessagethrottle.cpp
+++ b/linden/indra/llmessage/llmessagethrottle.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2004-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llmessagethrottle.h b/linden/indra/llmessage/llmessagethrottle.h
index 80d4ca3..522358c 100644
--- a/linden/indra/llmessage/llmessagethrottle.h
+++ b/linden/indra/llmessage/llmessagethrottle.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2004-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llmime.cpp b/linden/indra/llmessage/llmime.cpp
index 2786ea8..6938ed7 100644
--- a/linden/indra/llmessage/llmime.cpp
+++ b/linden/indra/llmessage/llmime.cpp
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2006-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llmime.h b/linden/indra/llmessage/llmime.h
index 7cb2b74..307a33d 100644
--- a/linden/indra/llmessage/llmime.h
+++ b/linden/indra/llmessage/llmime.h
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2006-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llmsgvariabletype.h b/linden/indra/llmessage/llmsgvariabletype.h
new file mode 100644
index 0000000..360d949
--- /dev/null
+++ b/linden/indra/llmessage/llmsgvariabletype.h
@@ -0,0 +1,33 @@
+#ifndef LL_LLMSGVARIABLETYPE_H
+#define LL_LLMSGVARIABLETYPE_H
+
+typedef enum e_message_variable_type
+{
+        MVT_NULL,
+        MVT_FIXED,
+        MVT_VARIABLE,
+        MVT_U8,
+        MVT_U16,
+        MVT_U32,
+        MVT_U64,
+        MVT_S8,
+        MVT_S16,
+        MVT_S32,
+        MVT_S64,
+        MVT_F32,
+        MVT_F64,
+        MVT_LLVector3,
+        MVT_LLVector3d,
+        MVT_LLVector4,
+        MVT_LLQuaternion,
+        MVT_LLUUID,     
+        MVT_BOOL,
+        MVT_IP_ADDR,
+        MVT_IP_PORT,
+        MVT_U16Vec3,
+        MVT_U16Quat,
+        MVT_S16Array,
+        MVT_EOL
+} EMsgVariableType;
+
+#endif // LL_LLMSGVARIABLETYPE_H
diff --git a/linden/indra/llmessage/llnamevalue.cpp b/linden/indra/llmessage/llnamevalue.cpp
index 1304923..6e449ed 100644
--- a/linden/indra/llmessage/llnamevalue.cpp
+++ b/linden/indra/llmessage/llnamevalue.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llnamevalue.h b/linden/indra/llmessage/llnamevalue.h
index 89fe71b..fe733fa 100644
--- a/linden/indra/llmessage/llnamevalue.h
+++ b/linden/indra/llmessage/llnamevalue.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llnullcipher.cpp b/linden/indra/llmessage/llnullcipher.cpp
index ad2b25f..eddadeb 100644
--- a/linden/indra/llmessage/llnullcipher.cpp
+++ b/linden/indra/llmessage/llnullcipher.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2003-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llnullcipher.h b/linden/indra/llmessage/llnullcipher.h
index 75d022d..2e41063 100644
--- a/linden/indra/llmessage/llnullcipher.h
+++ b/linden/indra/llmessage/llnullcipher.h
@@ -3,6 +3,7 @@
  *
  * Copyright (c) 2003-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llpacketack.h b/linden/indra/llmessage/llpacketack.h
index e8d598a..c86fb0f 100644
--- a/linden/indra/llmessage/llpacketack.h
+++ b/linden/indra/llmessage/llpacketack.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -63,6 +64,14 @@ public:
 public:
         LLReliablePacketParams()
         {
+                clear();
+        };
+
+        ~LLReliablePacketParams() { };
+
+        void clear()
+        {
+                mHost.invalidate();
                 mRetries = 0;
                 mPingBasedRetry = TRUE;
                 mTimeout = 0.f;
@@ -71,8 +80,6 @@ public:
                 mMessageName = NULL;
         };
 
-        ~LLReliablePacketParams() { };
-
         void set (      const LLHost &host, S32 retries, BOOL ping_based_retry,
                                 F32 timeout, 
                                 void (*callback)(void **,S32), void **callback_data, char *name )
@@ -136,7 +143,13 @@ public:
                         
                 }
         };
-        ~LLReliablePacket(){ delete [] mBuffer; };
+
+        ~LLReliablePacket()
+        { 
+                mCallback = NULL;
+                delete [] mBuffer;
+                mBuffer = NULL;
+        };
 
         friend class LLCircuitData;
 protected:
diff --git a/linden/indra/llmessage/llpacketbuffer.cpp b/linden/indra/llmessage/llpacketbuffer.cpp
index 855fb40..69144f5 100644
--- a/linden/indra/llmessage/llpacketbuffer.cpp
+++ b/linden/indra/llmessage/llpacketbuffer.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llpacketbuffer.h b/linden/indra/llmessage/llpacketbuffer.h
index 613418a..17fe446 100644
--- a/linden/indra/llmessage/llpacketbuffer.h
+++ b/linden/indra/llmessage/llpacketbuffer.h
@@ -5,6 +5,7 @@
  *
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llpacketring.cpp b/linden/indra/llmessage/llpacketring.cpp
index a2e6eb9..e07c754 100644
--- a/linden/indra/llmessage/llpacketring.cpp
+++ b/linden/indra/llmessage/llpacketring.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llpacketring.h b/linden/indra/llmessage/llpacketring.h
index 27b830e..1a0c0c6 100644
--- a/linden/indra/llmessage/llpacketring.h
+++ b/linden/indra/llmessage/llpacketring.h
@@ -5,6 +5,7 @@
  *
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llpartdata.cpp b/linden/indra/llmessage/llpartdata.cpp
index de0cb13..f46481e 100644
--- a/linden/indra/llmessage/llpartdata.cpp
+++ b/linden/indra/llmessage/llpartdata.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2003-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llpartdata.h b/linden/indra/llmessage/llpartdata.h
index 55d22d5..3177e84 100644
--- a/linden/indra/llmessage/llpartdata.h
+++ b/linden/indra/llmessage/llpartdata.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2003-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llpumpio.cpp b/linden/indra/llmessage/llpumpio.cpp
index 4ce15b9..e76f3ea 100644
--- a/linden/indra/llmessage/llpumpio.cpp
+++ b/linden/indra/llmessage/llpumpio.cpp
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2004-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -333,6 +334,12 @@ bool LLPumpIO::copyCurrentLinkInfo(links_t& links) const
 
 void LLPumpIO::pump()
 {
+        pump(DEFAULT_POLL_TIMEOUT);
+}
+
+//timeout is in microseconds
+void LLPumpIO::pump(const S32& poll_timeout)
+{
         LLMemType m1(LLMemType::MTYPE_IO_PUMP);
         LLFastTimer t1(LLFastTimer::FTM_PUMP);
         //llinfos << "LLPumpIO::pump()" << llendl;
@@ -414,7 +421,7 @@ void LLPumpIO::pump()
                 S32 count = 0;
                 S32 client_id = 0;
                 const apr_pollfd_t* poll_fd = NULL;
-                apr_pollset_poll(mPollset, DEFAULT_POLL_TIMEOUT, &count, &poll_fd);
+                apr_pollset_poll(mPollset, poll_timeout, &count, &poll_fd);
                 PUMP_DEBUG;
                 for(S32 i = 0; i < count; ++i)
                 {
diff --git a/linden/indra/llmessage/llpumpio.h b/linden/indra/llmessage/llpumpio.h
index d90d6b0..0f2bd48 100644
--- a/linden/indra/llmessage/llpumpio.h
+++ b/linden/indra/llmessage/llpumpio.h
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2004-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -246,6 +247,7 @@ public:
          * chain has a file descriptor ready, <code>process()</code> will
          * be called for all pipes which have requested it.
          */
+        void pump(const S32& poll_timeout);
         void pump();
 
         /** 
diff --git a/linden/indra/llmessage/llqueryflags.h b/linden/indra/llmessage/llqueryflags.h
index 69ba95a..9143995 100644
--- a/linden/indra/llmessage/llqueryflags.h
+++ b/linden/indra/llmessage/llqueryflags.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2003-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -57,6 +58,9 @@ const U32 DFQ_NAME_SORT			= 0x1 << 19;
 const U32 DFQ_LIMIT_BY_PRICE    = 0x1 << 20;
 const U32 DFQ_LIMIT_BY_AREA             = 0x1 << 21;
 
+const U32 DFQ_FILTER_MATURE             = 0x1 << 22;
+const U32 DFQ_PG_PARCELS_ONLY   = 0x1 << 23;
+
 // Sell Type flags
 const U32 ST_AUCTION    = 0x1 << 1;
 const U32 ST_NEWBIE             = 0x1 << 2;
diff --git a/linden/indra/llmessage/llregionflags.h b/linden/indra/llmessage/llregionflags.h
index 6a8f72a..6a23544 100644
--- a/linden/indra/llmessage/llregionflags.h
+++ b/linden/indra/llmessage/llregionflags.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2002-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llregionhandle.h b/linden/indra/llmessage/llregionhandle.h
index d943374..ad4cf61 100644
--- a/linden/indra/llmessage/llregionhandle.h
+++ b/linden/indra/llmessage/llregionhandle.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2002-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llsdappservices.cpp b/linden/indra/llmessage/llsdappservices.cpp
index 8574f87..ae1505b 100644
--- a/linden/indra/llmessage/llsdappservices.cpp
+++ b/linden/indra/llmessage/llsdappservices.cpp
@@ -5,6 +5,7 @@
  *
  * Copyright (c) 2006-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llsdappservices.h b/linden/indra/llmessage/llsdappservices.h
index 8e6e868..0075b2e 100644
--- a/linden/indra/llmessage/llsdappservices.h
+++ b/linden/indra/llmessage/llsdappservices.h
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2006-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llsdhttpserver.cpp b/linden/indra/llmessage/llsdhttpserver.cpp
index 4054680..8ca7f14 100644
--- a/linden/indra/llmessage/llsdhttpserver.cpp
+++ b/linden/indra/llmessage/llsdhttpserver.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2006-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llsdhttpserver.h b/linden/indra/llmessage/llsdhttpserver.h
index 904852f..b6904f3 100644
--- a/linden/indra/llmessage/llsdhttpserver.h
+++ b/linden/indra/llmessage/llsdhttpserver.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2006-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llsdmessagebuilder.cpp b/linden/indra/llmessage/llsdmessagebuilder.cpp
new file mode 100755
index 0000000..b7deb48
--- /dev/null
+++ b/linden/indra/llmessage/llsdmessagebuilder.cpp
@@ -0,0 +1,281 @@
+#include "linden_common.h"
+
+#include "llsdmessagebuilder.h"
+
+#include "llmessagetemplate.h"
+#include "llquaternion.h"
+#include "llsdutil.h"
+#include "llsdserialize.h"
+#include "u64.h"
+#include "v3dmath.h"
+#include "v3math.h"
+#include "v4math.h"
+
+LLSDMessageBuilder::LLSDMessageBuilder() :
+        mCurrentMessage(LLSD::emptyMap()),
+        mCurrentBlock(NULL),
+        mCurrentMessageName(""),
+        mCurrentBlockName(""),
+        mbSBuilt(FALSE),
+        mbSClear(TRUE)
+{
+}
+
+//virtual
+LLSDMessageBuilder::~LLSDMessageBuilder()
+{
+}
+
+
+// virtual
+void LLSDMessageBuilder::newMessage(const char *name)
+{
+        mbSBuilt = FALSE;
+        mbSClear = FALSE;
+
+        mCurrentMessage = LLSD::emptyMap();
+        mCurrentMessageName = (char *)name;
+}
+
+// virtual
+void LLSDMessageBuilder::clearMessage()
+{
+        mbSBuilt = FALSE;
+        mbSClear = TRUE;
+
+        mCurrentMessage = LLSD::emptyMap();
+        mCurrentMessageName = "";
+}
+
+// virtual
+void LLSDMessageBuilder::nextBlock(const char* blockname)
+{
+        LLSD& block = mCurrentMessage[blockname];
+        if(block.isUndefined())
+        {
+                block[0] = LLSD::emptyMap();
+                mCurrentBlock = &(block[0]);
+        }
+        else if(block.isArray())
+        {
+                block[block.size()] = LLSD::emptyMap();
+                mCurrentBlock = &(block[block.size() - 1]);
+        }
+        else
+        {
+                llerrs << "existing block not array" << llendl;
+        }
+}
+
+// TODO: Remove this horror...
+BOOL LLSDMessageBuilder::removeLastBlock()
+{
+        /* TODO: finish implementing this */
+        return FALSE;
+}
+
+void LLSDMessageBuilder::addBinaryData(const char *varname, 
+                                                                           const void *data, S32 size)
+{
+        std::vector<U8> v;
+        v.resize(size);
+        memcpy(&(v[0]), reinterpret_cast<const U8*>(data), size);
+        (*mCurrentBlock)[varname] = v;
+}
+
+void LLSDMessageBuilder::addS8(const char *varname, S8 v)
+{
+        (*mCurrentBlock)[varname] = v;
+}
+
+void LLSDMessageBuilder::addU8(const char *varname, U8 v)
+{
+        (*mCurrentBlock)[varname] = v;
+}
+
+void LLSDMessageBuilder::addS16(const char *varname, S16 v)
+{
+        (*mCurrentBlock)[varname] = v;
+}
+
+void LLSDMessageBuilder::addU16(const char *varname, U16 v)
+{
+        (*mCurrentBlock)[varname] = v;
+}
+
+void LLSDMessageBuilder::addF32(const char *varname, F32 v)
+{
+        (*mCurrentBlock)[varname] = v;
+}
+
+void LLSDMessageBuilder::addS32(const char *varname, S32 v)
+{
+        (*mCurrentBlock)[varname] = v;
+}
+
+void LLSDMessageBuilder::addU32(const char *varname, U32 v)
+{
+        (*mCurrentBlock)[varname] = ll_sd_from_U32(v);
+}
+
+void LLSDMessageBuilder::addU64(const char *varname, U64 v)
+{
+        (*mCurrentBlock)[varname] = ll_sd_from_U64(v);
+}
+
+void LLSDMessageBuilder::addF64(const char *varname, F64 v)
+{
+        (*mCurrentBlock)[varname] = v;
+}
+
+void LLSDMessageBuilder::addIPAddr(const char *varname, U32 v)
+{
+        (*mCurrentBlock)[varname] = ll_sd_from_ipaddr(v);
+}
+
+void LLSDMessageBuilder::addIPPort(const char *varname, U16 v)
+{
+        (*mCurrentBlock)[varname] = v;
+}
+
+void LLSDMessageBuilder::addBOOL(const char* varname, BOOL v)
+{
+        (*mCurrentBlock)[varname] = (v == TRUE);
+}
+
+void LLSDMessageBuilder::addString(const char* varname, const char* v)
+{
+        if (v)
+                (*mCurrentBlock)[varname] = v;  /* Flawfinder: ignore */  
+        else
+                (*mCurrentBlock)[varname] = ""; 
+}
+
+void LLSDMessageBuilder::addString(const char* varname, const std::string& v)
+{
+        if (v.size())
+                (*mCurrentBlock)[varname] = v; 
+        else
+                (*mCurrentBlock)[varname] = ""; 
+}
+
+void LLSDMessageBuilder::addVector3(const char *varname, const LLVector3& v)
+{
+        (*mCurrentBlock)[varname] = ll_sd_from_vector3(v);
+}
+
+void LLSDMessageBuilder::addVector4(const char *varname, const LLVector4& v)
+{
+        (*mCurrentBlock)[varname] = ll_sd_from_vector4(v);
+}
+
+void LLSDMessageBuilder::addVector3d(const char *varname, const LLVector3d& v)
+{
+        (*mCurrentBlock)[varname] = ll_sd_from_vector3d(v);
+}
+
+void LLSDMessageBuilder::addQuat(const char *varname, const LLQuaternion& v)
+{
+        (*mCurrentBlock)[varname] = ll_sd_from_quaternion(v);
+}
+
+void LLSDMessageBuilder::addUUID(const char *varname, const LLUUID& v)
+{
+        (*mCurrentBlock)[varname] = v;
+}
+
+void LLSDMessageBuilder::compressMessage(U8*& buf_ptr, U32& buffer_length)
+{
+}
+
+BOOL LLSDMessageBuilder::isMessageFull(const char* blockname) const
+{
+        return FALSE;
+}
+
+// make sure that all the desired data is in place and then copy the data 
+// into MAX_BUFFER_SIZEd buffer
+U32 LLSDMessageBuilder::buildMessage(U8* buffer, U32 buffer_size)
+{
+        return 0;
+}
+
+void LLSDMessageBuilder::copyFromMessageData(const LLMsgData& data)
+{
+        // copy the blocks
+        // counting variables used to encode multiple block info
+        S32 block_count = 0;
+    char *block_name = NULL;
+
+        // loop through msg blocks to loop through variables, totalling up size
+        // data and filling the new (send) message
+        LLMsgData::msg_blk_data_map_t::const_iterator iter = 
+                data.mMemberBlocks.begin();
+        LLMsgData::msg_blk_data_map_t::const_iterator end = 
+                data.mMemberBlocks.end();
+        for(; iter != end; ++iter)
+        {
+                const LLMsgBlkData* mbci = iter->second;
+                if(!mbci) continue;
+
+                // do we need to encode a block code?
+                if (block_count == 0)
+                {
+                        block_count = mbci->mBlockNumber;
+                        block_name = (char *)mbci->mName;
+                }
+
+                // counting down mutliple blocks
+                block_count--;
+
+                nextBlock(block_name);
+
+                // now loop through the variables
+                LLMsgBlkData::msg_var_data_map_t::const_iterator dit = mbci->mMemberVarData.begin();
+                LLMsgBlkData::msg_var_data_map_t::const_iterator dend = mbci->mMemberVarData.end();
+                
+                for(; dit != dend; ++dit)
+                {
+                        //const LLMsgVarData& mvci = *dit;
+
+                        // TODO: Copy mvci data in to block:
+                        // (*mCurrentBlock)[varname] = v;
+                }
+        }
+}
+
+//virtual
+void LLSDMessageBuilder::copyFromLLSD(const LLSD& msg)
+{
+        mCurrentMessage = msg;
+        llinfos << LLSDXMLStreamer(mCurrentMessage) << llendl;
+}
+
+const LLSD& LLSDMessageBuilder::getMessage() const
+{
+         return mCurrentMessage;
+}
+
+//virtual
+void LLSDMessageBuilder::setBuilt(BOOL b) { mbSBuilt = b; }
+
+//virtual 
+BOOL LLSDMessageBuilder::isBuilt() const {return mbSBuilt;}
+
+//virtual 
+BOOL LLSDMessageBuilder::isClear() const {return mbSClear;}
+
+//virtual 
+S32 LLSDMessageBuilder::getMessageSize()
+{
+        // babbage: size is unknown as message stored as LLSD.
+        // return non-zero if pending data, as send can be skipped for 0 size.
+        // return 1 to encourage senders checking size against splitting message.
+        return mCurrentMessage.size()? 1 : 0;
+}
+
+//virtual 
+const char* LLSDMessageBuilder::getMessageName() const 
+{
+        return mCurrentMessageName.c_str();
+}
diff --git a/linden/indra/llmessage/llsdmessagebuilder.h b/linden/indra/llmessage/llsdmessagebuilder.h
new file mode 100755
index 0000000..f04194d
--- /dev/null
+++ b/linden/indra/llmessage/llsdmessagebuilder.h
@@ -0,0 +1,98 @@
+#ifndef LL_LLSDMESSAGEBUILDER_H
+#define LL_LLSDMESSAGEBUILDER_H
+
+#include <map>
+
+#include "llmessagebuilder.h"
+#include "llmsgvariabletype.h"
+#include "llsd.h"
+
+class LLMessageTemplate;
+class LLMsgData;
+
+class LLSDMessageBuilder : public LLMessageBuilder
+{
+public:
+
+        //CLASS_LOG_TYPE(LLSDMessageBuilder);
+        
+        LLSDMessageBuilder();
+        virtual ~LLSDMessageBuilder();
+
+        virtual void newMessage(const char *name);
+
+        virtual void nextBlock(const char* blockname);
+        virtual BOOL removeLastBlock(); // TODO: babbage: remove this horror...
+
+        /** All add* methods expect pointers to canonical varname strings. */
+        virtual void addBinaryData(const char *varname, const void *data, 
+                                                           S32 size);
+        virtual void addBOOL(const char* varname, BOOL b);
+        virtual void addS8(const char *varname, S8 s);
+        virtual void addU8(const char *varname, U8 u);
+        virtual void addS16(const char *varname, S16 i);
+        virtual void addU16(const char *varname, U16 i);
+        virtual void addF32(const char *varname, F32 f);
+        virtual void addS32(const char *varname, S32 s);
+        virtual void addU32(const char *varname, U32 u);
+        virtual void addU64(const char *varname, U64 lu);
+        virtual void addF64(const char *varname, F64 d);
+        virtual void addVector3(const char *varname, const LLVector3& vec);
+        virtual void addVector4(const char *varname, const LLVector4& vec);
+        virtual void addVector3d(const char *varname, const LLVector3d& vec);
+        virtual void addQuat(const char *varname, const LLQuaternion& quat);
+        virtual void addUUID(const char *varname, const LLUUID& uuid);
+        virtual void addIPAddr(const char *varname, const U32 ip);
+        virtual void addIPPort(const char *varname, const U16 port);
+        virtual void addString(const char* varname, const char* s);
+        virtual void addString(const char* varname, const std::string& s);
+
+        virtual BOOL isMessageFull(const char* blockname) const;
+        virtual void compressMessage(U8*& buf_ptr, U32& buffer_length);
+
+        virtual BOOL isBuilt() const;
+        virtual BOOL isClear() const;
+        virtual U32 buildMessage(U8* buffer, U32 buffer_size); 
+        /**< Return built message size */
+        
+        virtual void clearMessage();
+
+        // TODO: babbage: remove this horror.
+        virtual void setBuilt(BOOL b);
+
+        virtual S32 getMessageSize();
+        virtual const char* getMessageName() const;
+
+        virtual void copyFromMessageData(const LLMsgData& data);
+
+        virtual void copyFromLLSD(const LLSD& msg);
+
+        const LLSD& getMessage() const;
+private:
+
+        /* mCurrentMessage is of the following format:
+                mCurrentMessage = { 'block_name1' : [ { 'block1_field1' : 'b1f1_data',
+                                                                                                'block1_field2' : 'b1f2_data',
+                                                                                                ...
+                                                                                                'block1_fieldn' : 'b1fn_data'},
+                                                                                        { 'block2_field1' : 'b2f1_data',
+                                                                                                'block2_field2' : 'b2f2_data',
+                                                                                                ...
+                                                                                                'block2_fieldn' : 'b2fn_data'},
+                                                                                        ...                                                                                     
+                                                                                        { 'blockm_field1' : 'bmf1_data',
+                                                                                                'blockm_field2' : 'bmf2_data',
+                                                                                                ...
+                                                                                                'blockm_fieldn' : 'bmfn_data'} ],
+                                                        'block_name2' : ...,
+                                                        ...
+                                                        'block_namem' } */
+        LLSD mCurrentMessage;
+        LLSD* mCurrentBlock;
+        std::string mCurrentMessageName;
+        std::string mCurrentBlockName;
+        BOOL mbSBuilt;
+        BOOL mbSClear;
+};
+
+#endif // LL_LLSDMESSAGEBUILDER_H
diff --git a/linden/indra/llmessage/llsdmessagereader.cpp b/linden/indra/llmessage/llsdmessagereader.cpp
new file mode 100755
index 0000000..6312bee
--- /dev/null
+++ b/linden/indra/llmessage/llsdmessagereader.cpp
@@ -0,0 +1,264 @@
+#include "llsdmessagereader.h"
+#include "llsdutil.h"
+#include "llmessagebuilder.h"
+#include "llsdmessagebuilder.h"
+
+LLSDMessageReader::LLSDMessageReader()
+{
+}
+
+//virtual 
+LLSDMessageReader::~LLSDMessageReader()
+{
+}
+
+
+LLSD getLLSD(const LLSD& input, const char* block, const char* var, S32 blocknum)
+{
+        if(input[block].isArray())
+        {
+                return input[block][blocknum][var];
+        }
+        return LLSD();
+}
+
+//virtual 
+void LLSDMessageReader::getBinaryData(const char *block, const char *var, 
+                                                                          void *datap, S32 size, S32 blocknum, 
+                                                                          S32 max_size)
+{
+        std::vector<U8> data = getLLSD(mMessage, block, var, blocknum);
+        S32 data_size = (S32)data.size();
+
+        if (size && data_size != size)
+        {
+                return;
+        }
+        
+        if (max_size < data_size)
+        {
+                data_size = max_size;
+        }
+        
+        memcpy(datap, &(data[0]), data_size);
+}
+
+//virtual 
+void LLSDMessageReader::getBOOL(const char *block, const char *var, 
+                                                                BOOL &data, 
+                                                                S32 blocknum)
+{
+        data = getLLSD(mMessage, block, var, blocknum);
+}
+
+//virtual 
+void LLSDMessageReader::getS8(const char *block, const char *var, S8 &data, 
+                                           S32 blocknum)
+{
+        data = getLLSD(mMessage, block, var, blocknum).asInteger();
+}
+
+//virtual 
+void LLSDMessageReader::getU8(const char *block, const char *var, U8 &data, 
+                                           S32 blocknum)
+{
+        data = getLLSD(mMessage, block, var, blocknum).asInteger();
+}
+
+//virtual 
+void LLSDMessageReader::getS16(const char *block, const char *var, S16 &data, 
+                                                S32 blocknum)
+{
+        data = getLLSD(mMessage, block, var, blocknum).asInteger();
+}
+
+//virtual 
+void LLSDMessageReader::getU16(const char *block, const char *var, U16 &data, 
+                                                S32 blocknum)
+{
+        data = getLLSD(mMessage, block, var, blocknum).asInteger();
+}
+
+//virtual 
+void LLSDMessageReader::getS32(const char *block, const char *var, S32 &data, 
+                                                S32 blocknum)
+{
+        data = getLLSD(mMessage, block, var, blocknum);
+}
+
+//virtual 
+void LLSDMessageReader::getF32(const char *block, const char *var, F32 &data, 
+                                                S32 blocknum)
+{
+        data = (F32)getLLSD(mMessage, block, var, blocknum).asReal();
+}
+
+//virtual 
+void LLSDMessageReader::getU32(const char *block, const char *var, U32 &data, 
+                                                S32 blocknum)
+{
+        data = ll_U32_from_sd(getLLSD(mMessage, block, var, blocknum));
+}
+
+//virtual 
+void LLSDMessageReader::getU64(const char *block, const char *var,
+                                                                U64 &data, S32 blocknum)
+{
+        data = ll_U64_from_sd(getLLSD(mMessage, block, var, blocknum));
+}
+
+//virtual 
+void LLSDMessageReader::getF64(const char *block, const char *var,
+                                                                F64 &data, S32 blocknum)
+{
+        data = getLLSD(mMessage, block, var, blocknum);
+}
+
+//virtual 
+void LLSDMessageReader::getVector3(const char *block, const char *var, 
+                                                        LLVector3 &vec, S32 blocknum)
+{
+        vec = ll_vector3_from_sd(getLLSD(mMessage, block, var, blocknum));
+}
+
+//virtual 
+void LLSDMessageReader::getVector4(const char *block, const char *var, 
+                                                        LLVector4 &vec, S32 blocknum)
+{
+        vec = ll_vector4_from_sd(getLLSD(mMessage, block, var, blocknum));
+}
+
+//virtual 
+void LLSDMessageReader::getVector3d(const char *block, const char *var, 
+                                                         LLVector3d &vec, S32 blocknum)
+{
+        vec = ll_vector3d_from_sd(getLLSD(mMessage, block, var, blocknum));
+}
+
+//virtual 
+void LLSDMessageReader::getQuat(const char *block, const char *var,
+                                                                 LLQuaternion &q, S32 blocknum)
+{
+        q = ll_quaternion_from_sd(getLLSD(mMessage, block, var, blocknum));
+}
+
+//virtual 
+void LLSDMessageReader::getUUID(const char *block, const char *var,
+                                                                 LLUUID &uuid, S32 blocknum)
+{
+        uuid = getLLSD(mMessage, block, var, blocknum);
+}
+
+//virtual 
+void LLSDMessageReader::getIPAddr(const char *block, const char *var,
+                                                                   U32 &ip, S32 blocknum)
+{
+        ip = ll_ipaddr_from_sd(getLLSD(mMessage, block, var, blocknum));
+}
+
+//virtual 
+void LLSDMessageReader::getIPPort(const char *block, const char *var,
+                                                                   U16 &port, S32 blocknum)
+{
+        port = getLLSD(mMessage, block, var, blocknum).asInteger();
+}
+
+//virtual 
+void LLSDMessageReader::getString(const char *block, const char *var, 
+                                                   S32 buffer_size, char *buffer, S32 blocknum)
+{
+        std::string data = getLLSD(mMessage, block, var, blocknum);
+        
+        S32 data_size = data.size();
+        if (data_size >= buffer_size)
+        {
+                data_size = buffer_size - 1;
+        }
+        memcpy(buffer, data.data(), data_size);
+        buffer[data_size] = '\0';
+}
+
+
+//virtual 
+S32     LLSDMessageReader::getNumberOfBlocks(const char *blockname)
+{
+        return mMessage[blockname].size();
+}
+
+S32 getElementSize(const LLSD& llsd)
+{
+        LLSD::Type type = llsd.type();
+        switch(type)
+        {
+        case LLSD::TypeBoolean:
+                return sizeof(bool);
+        case LLSD::TypeInteger:
+                return sizeof(S32);
+        case LLSD::TypeReal:
+                return sizeof(F64);
+        case LLSD::TypeString:
+                return llsd.asString().size();
+        case LLSD::TypeUUID:
+                return sizeof(LLUUID);
+        case LLSD::TypeDate:
+                return sizeof(LLDate);
+        case LLSD::TypeURI:
+                return sizeof(LLURI);
+        case LLSD::TypeBinary:
+        {
+                std::vector<U8> data = llsd;
+                return data.size() * sizeof(U8);
+        }
+        case LLSD::TypeMap:
+        case LLSD::TypeArray:
+        case LLSD::TypeUndefined:
+                return 0;
+        }
+        return 0;
+}
+
+//virtual 
+//Mainly used to find size of binary block of data
+S32     LLSDMessageReader::getSize(const char *blockname, const char *varname)
+{
+        return getElementSize(mMessage[blockname][0][varname]);
+}
+
+
+//virtual 
+S32     LLSDMessageReader::getSize(const char *blockname, S32 blocknum, 
+                                                           const char *varname)
+{
+        return getElementSize(mMessage[blockname][blocknum][varname]);
+}
+
+//virtual 
+void LLSDMessageReader::clearMessage()
+{
+        mMessage = LLSD();
+}
+
+//virtual 
+const char* LLSDMessageReader::getMessageName() const
+{
+        return mMessageName.c_str();
+}
+
+// virtual 
+S32 LLSDMessageReader::getMessageSize() const
+{
+        return 0;
+}
+
+//virtual 
+void LLSDMessageReader::copyToBuilder(LLMessageBuilder& builder) const
+{
+        builder.copyFromLLSD(mMessage);
+}
+
+void LLSDMessageReader::setMessage(const std::string& name, const LLSD& message)
+{
+        mMessageName = name;
+        // TODO: Validate
+        mMessage = message;
+}
diff --git a/linden/indra/llmessage/llsdmessagereader.h b/linden/indra/llmessage/llsdmessagereader.h
new file mode 100755
index 0000000..5785194
--- /dev/null
+++ b/linden/indra/llmessage/llsdmessagereader.h
@@ -0,0 +1,79 @@
+#ifndef LL_LLSDMESSAGEREADER_H
+#define LL_LLSDMESSAGEREADER_H
+
+#include "llmessagereader.h"
+#include "llsd.h"
+
+#include <map>
+
+class LLMessageTemplate;
+class LLMsgData;
+
+class LLSDMessageReader : public LLMessageReader
+{
+public:
+
+        LLSDMessageReader();
+        virtual ~LLSDMessageReader();
+
+        /** All get* methods expect pointers to canonical strings. */
+        virtual void getBinaryData(const char *block, const char *var, 
+                                                           void *datap, S32 size, S32 blocknum = 0, 
+                                                           S32 max_size = S32_MAX);
+        virtual void getBOOL(const char *block, const char *var, BOOL &data, 
+                                                 S32 blocknum = 0);
+        virtual void getS8(const char *block, const char *var, S8 &data, 
+                                           S32 blocknum = 0);
+        virtual void getU8(const char *block, const char *var, U8 &data, 
+                                           S32 blocknum = 0);
+        virtual void getS16(const char *block, const char *var, S16 &data, 
+                                                S32 blocknum = 0);
+        virtual void getU16(const char *block, const char *var, U16 &data, 
+                                                S32 blocknum = 0);
+        virtual void getS32(const char *block, const char *var, S32 &data, 
+                                                S32 blocknum = 0);
+        virtual void getF32(const char *block, const char *var, F32 &data, 
+                                                S32 blocknum = 0);
+        virtual void getU32(const char *block, const char *var, U32 &data, 
+                                                S32 blocknum = 0);
+        virtual void getU64(const char *block, const char *var, U64 &data, 
+                                                S32 blocknum = 0);
+        virtual void getF64(const char *block, const char *var, F64 &data, 
+                                                S32 blocknum = 0);
+        virtual void getVector3(const char *block, const char *var, 
+                                                        LLVector3 &vec, S32 blocknum = 0);
+        virtual void getVector4(const char *block, const char *var, 
+                                                        LLVector4 &vec, S32 blocknum = 0);
+        virtual void getVector3d(const char *block, const char *var, 
+                                                         LLVector3d &vec, S32 blocknum = 0);
+        virtual void getQuat(const char *block, const char *var, LLQuaternion &q, 
+                                                 S32 blocknum = 0);
+        virtual void getUUID(const char *block, const char *var, LLUUID &uuid, 
+                                                 S32 blocknum = 0);
+        virtual void getIPAddr(const char *block, const char *var, U32 &ip, 
+                                                   S32 blocknum = 0);
+        virtual void getIPPort(const char *block, const char *var, U16 &port, 
+                                                   S32 blocknum = 0);
+        virtual void getString(const char *block, const char *var, 
+                                                   S32 buffer_size, char *buffer, S32 blocknum = 0);
+
+        virtual S32     getNumberOfBlocks(const char *blockname);
+        virtual S32     getSize(const char *blockname, const char *varname);
+        virtual S32     getSize(const char *blockname, S32 blocknum, 
+                                                const char *varname);
+
+        virtual void clearMessage();
+
+        virtual const char* getMessageName() const;
+        virtual S32 getMessageSize() const;
+
+        virtual void copyToBuilder(LLMessageBuilder&) const;
+
+        void setMessage(const std::string& name, const LLSD& msg);
+
+private:
+        std::string mMessageName;
+        LLSD mMessage;
+};
+
+#endif // LL_LLSDMESSAGEREADER_H
diff --git a/linden/indra/llmessage/llsdmessagesystem.cpp b/linden/indra/llmessage/llsdmessagesystem.cpp
deleted file mode 100644
index 66382ea..0000000
--- a/linden/indra/llmessage/llsdmessagesystem.cpp
+++ /dev/null
@@ -1,176 +0,0 @@
-/** 
- * @file llsdmessagesystem.cpp
- * @brief LLSDMessageSystem class implementation
- *
- * Copyright (c) 2001-2007, Linden Research, Inc.
- * 
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab.  Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlife.com/developers/opensource/gplv2
- * 
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at http://secondlife.com/developers/opensource/flossexception
- * 
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- * 
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- */
-
-#include "linden_common.h"
-#include "llsdmessagesystem.h"
-
-#include "llhttpnode.h"
-#include "llsdutil.h"
-
-LLSDMessageSystem::LLSDMessageSystem() : mMsg(* new LLMessageSystem())
-{
-}
-
-LLSDMessageSystem::LLSDMessageSystem(LLMessageSystem& delegateSystem) : mMsg(delegateSystem)
-{
-}
-
-LLSDMessageSystem::~LLSDMessageSystem()
-{
-}
-
-bool LLSDMessageSystem::handleMessage(std::string name, const LLSD& message)
-{
-        setInput(message);
-        return mMsg.callHandler(name.c_str(), false, this);
-}
-
-void LLSDMessageSystem::setInput(const LLSD& input)
-{
-        mInput = input;
-}
-
-LLSD getLLSD(const LLSD& input, const char* block, const char* var, S32 blocknum)
-{
-        if(input[block].isArray())
-        {
-                return input[block][blocknum][var];
-        }
-        return input[block][var];
-}
-
-//virtual 
-void LLSDMessageSystem::getU32Fast(const char *block, const char *var, U32 &data, S32 blocknum)
-{
-        data = ll_U32_from_sd(getLLSD(mInput, block, var, blocknum));
-}
-
-//virtual 
-void LLSDMessageSystem::getUUIDFast(const char *block, const char *var, LLUUID &uuid, S32 blocknum)
-{
-        uuid = getLLSD(mInput, block, var, blocknum).asUUID();
-}
-
-//virtual 
-void LLSDMessageSystem::getIPAddrFast(const char *block, const char *var, U32 &ip, S32 blocknum)
-{
-        ip = ll_ipaddr_from_sd(getLLSD(mInput, block, var, blocknum));
-}
-
-//virtual 
-void LLSDMessageSystem::getIPPortFast(const char *block, const char *var, U16 &port, S32 blocknum)
-{
-        port = getLLSD(mInput, block, var, blocknum).asInteger();
-}
-
-//virtual 
-void LLSDMessageSystem::getU64Fast(const char *block, const char *var, U64 &data, S32 blocknum)
-{
-        data = ll_U64_from_sd(getLLSD(mInput, block, var, blocknum));
-}
-
-//virtual 
-void LLSDMessageSystem::getStringFast(const char *block, const char *var, S32 buffer_size, char *buffer, S32 blocknum)
-{
-        std::string data = getLLSD(mInput, block, var, blocknum).asString();
-        S32 length = data.length();
-        memset(buffer, 0, buffer_size);
-        strncpy(buffer, data.c_str(), llmin(length, buffer_size));      /* Flawfinder: ignore */
-}
-
-//virtual 
-void LLSDMessageSystem::newMessageFast(const char *name)
-{
-        mMsg.newMessageFast(name);
-}
-
-//virtual 
-void LLSDMessageSystem::nextBlockFast(const char *blockname)
-{
-        mMsg.nextBlockFast(blockname);
-}
-
-//virtual 
-void LLSDMessageSystem::addU32Fast(const char *varname, U32 u)
-{
-        mMsg.addU32Fast(varname, u);
-}
-
-//virtual 
-void LLSDMessageSystem::addUUIDFast( const char *varname, const LLUUID& uuid)
-{
-        mMsg.addUUIDFast(varname, uuid);
-}
-
-//virtual 
-S32 LLSDMessageSystem::sendReliable(const LLHost &host)
-{
-        return mMsg.sendReliable(host);
-}
-
-//virtual
-U32 LLSDMessageSystem::getOurCircuitCode()
-{
-        return mMsg.getOurCircuitCode();
-}
-
-void LLSDMessageSystem::useServices()
-{
-        /*
-                Having this function body here, causes the classes and globals in this
-                file to be linked into any program that uses the llmessage library.
-        */
-}
-
-class LLMessageService : public LLHTTPNode
-{
-        virtual bool validate(const std::string& name, LLSD& context) const
-                { return true; }
-
-        virtual void post(LLHTTPNode::ResponsePtr response, const LLSD& context, const LLSD& input) const;
-};
-
-//virtual 
-void LLMessageService::post(LLHTTPNode::ResponsePtr response, const LLSD& context, const LLSD& input) const
-{
-        static LLSDMessageSystem msg(*gMessageSystem);
-        
-        std::string name = context["request"]["wildcard"]["message-name"];
-        
-        if (msg.handleMessage(name, input))
-        {
-                response->result(LLSD());
-        }
-        else
-        {
-                response->notFound();
-        }
-}
-
-
-LLHTTPRegistration<LLMessageService>
-        gHTTPRegistrationMessageService("/message/<message-name>");
diff --git a/linden/indra/llmessage/llsdmessagesystem.h b/linden/indra/llmessage/llsdmessagesystem.h
deleted file mode 100644
index b114a49..0000000
--- a/linden/indra/llmessage/llsdmessagesystem.h
+++ /dev/null
@@ -1,73 +0,0 @@
-/** 
- * @file llsdmessagesystem.h
- * @brief LLSDMessageSystem class header file
- *
- * Copyright (c) 2001-2007, Linden Research, Inc.
- * 
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab.  Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlife.com/developers/opensource/gplv2
- * 
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at http://secondlife.com/developers/opensource/flossexception
- * 
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- * 
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- */
-
-#ifndef LLSD_MESSAGE_SYSTEM_H
-#define LLSD_MESSAGE_SYSTEM_H
-
-#include "message.h"
-#include "llsd.h"
-
-class LLSDMessageSystem : public LLMessageSystem
-{
-public:
-        LLSDMessageSystem(); // Testing only.
-        LLSDMessageSystem(LLMessageSystem& delegateSystem);
-        virtual ~LLSDMessageSystem();
-
-        bool handleMessage(std::string name, const LLSD& message);
-
-        void setInput(const LLSD& input); // Testing only.
-
-        // Input methods, read from input LLSD.
-        virtual void getU32Fast(const char *block, const char *var, U32 &data, S32 blocknum = 0);
-        virtual void getUUIDFast(const char *block, const char *var, LLUUID &uuid, S32 blocknum = 0);
-        virtual void getIPAddrFast(const char *block, const char *var, U32 &ip, S32 blocknum = 0);
-        virtual void getIPPortFast(const char *block, const char *var, U16 &port, S32 blocknum = 0);
-        virtual void getU64Fast(const char *block, const char *var, U64 &data, S32 blocknum = 0);
-        virtual void getStringFast(const char *block, const char *var, S32 buffer_size, char *buffer, S32 blocknum = 0);
-
-        // Output methods, routed to delegate message system.
-        virtual void newMessageFast(const char *name);
-        virtual void nextBlockFast(const char *blockname);
-
-        virtual void addU32Fast(const char *varname, U32 u);
-        virtual void addUUIDFast( const char *varname, const LLUUID& uuid);
-
-        virtual S32 sendReliable(const LLHost &host);
-
-        // Global Information messages, routed to delegate message system
-        virtual U32 getOurCircuitCode();
-
-        static void useServices();
-        // call this from any application, when you set up the http tree
-
-private:
-        LLMessageSystem& mMsg;
-        LLSD mInput;
-};
-
-#endif // LLSD_MESSAGE_SYSTEM_H
diff --git a/linden/indra/llmessage/llsdrpcclient.cpp b/linden/indra/llmessage/llsdrpcclient.cpp
index a9ff722..64d4b98 100644
--- a/linden/indra/llmessage/llsdrpcclient.cpp
+++ b/linden/indra/llmessage/llsdrpcclient.cpp
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llsdrpcclient.h b/linden/indra/llmessage/llsdrpcclient.h
index 8de7f12..52439b9 100644
--- a/linden/indra/llmessage/llsdrpcclient.h
+++ b/linden/indra/llmessage/llsdrpcclient.h
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llsdrpcserver.cpp b/linden/indra/llmessage/llsdrpcserver.cpp
index 67eaf33..ed37181 100644
--- a/linden/indra/llmessage/llsdrpcserver.cpp
+++ b/linden/indra/llmessage/llsdrpcserver.cpp
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llsdrpcserver.h b/linden/indra/llmessage/llsdrpcserver.h
index 35d91ee..4007d6e 100644
--- a/linden/indra/llmessage/llsdrpcserver.h
+++ b/linden/indra/llmessage/llsdrpcserver.h
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llservice.cpp b/linden/indra/llmessage/llservice.cpp
index 0ffff95..052524d 100644
--- a/linden/indra/llmessage/llservice.cpp
+++ b/linden/indra/llmessage/llservice.cpp
@@ -5,6 +5,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llservice.h b/linden/indra/llmessage/llservice.h
index 3866dbc..5744f75 100644
--- a/linden/indra/llmessage/llservice.h
+++ b/linden/indra/llmessage/llservice.h
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2004-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -90,7 +91,7 @@ namespace boost
         }
         inline void intrusive_ptr_release(LLServiceCreator* p)
         {
-                if(0 == --p->mReferenceCount)
+                if(p && 0 == --p->mReferenceCount)
                 {
                         delete p;
                 }
diff --git a/linden/indra/llmessage/llservicebuilder.cpp b/linden/indra/llmessage/llservicebuilder.cpp
new file mode 100644
index 0000000..86b7d9d
--- /dev/null
+++ b/linden/indra/llmessage/llservicebuilder.cpp
@@ -0,0 +1,135 @@
+/** 
+* @file llservicebuilder.cpp
+* @brief Implementation of the LLServiceBuilder class.
+*
+* Copyright (c) 2007-2007, Linden Research, Inc.
+* 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+*/
+
+#include "llapp.h"
+#include "llfile.h"
+#include "llservicebuilder.h"
+#include "llsd.h"
+#include "llsdserialize.h"
+
+void LLServiceBuilder::loadServiceDefinitionsFromFile(
+        const std::string& service_filename)
+{
+        llifstream service_file(service_filename.c_str(), std::ios::binary);
+        if(service_file.is_open())
+        {
+                LLSD service_data;
+                LLSDSerialize::fromXML(service_data, service_file);
+                service_file.close();
+                // Load service 
+                LLSD service_map = service_data["services"];
+                for(LLSD::array_iterator array_itr = service_map.beginArray();
+                        array_itr != service_map.endArray();
+                        ++array_itr)
+                {       
+                        LLSD service_llsd = (*array_itr)["service-builder"];
+                        std::string service_name = (*array_itr)["name"].asString();
+                        createServiceDefinition(service_name, service_llsd);
+                }
+                llinfos << "loaded config file: " << service_filename << llendl;
+        }
+        else
+        {
+                llwarns << "unable to find config file: " << service_filename << llendl;
+        }
+}
+
+void LLServiceBuilder::createServiceDefinition(
+        const std::string& service_name,
+        LLSD& service_llsd)
+{
+        if(service_llsd.isString())
+        {
+                mServiceMap[ service_name ] = service_llsd.asString();
+        }                       
+        else if(service_llsd.isMap())
+        {
+                for(LLSD::map_iterator map_itr = service_llsd.beginMap();
+                        map_itr != service_llsd.endMap();
+                        ++map_itr)
+                {
+                        std::string compound_builder_name = service_name;
+                        compound_builder_name.append("-");
+                        compound_builder_name.append((*map_itr).first);
+                        mServiceMap[ compound_builder_name ] = (*map_itr).second.asString();
+                }
+        }
+}
+
+std::string LLServiceBuilder::buildServiceURI(const std::string& service_name)
+{
+        std::ostringstream service_url;
+        // Find the service builder
+        if(mServiceMap.find(service_name) != mServiceMap.end())
+        {
+                // construct the service builder url
+                LLApp* app = LLApp::instance();
+                if(app)
+                {
+                        LLSD base_url = app->getOption("services-base-url");
+                        service_url << base_url.asString();
+                }
+                service_url << mServiceMap[service_name];
+        }
+        else
+        {
+                llwarns << "Cannot find service " << service_name << llendl;
+        }
+        return service_url.str();
+}
+
+std::string LLServiceBuilder::buildServiceURI(
+        const std::string& service_name,
+        const LLSD& option_map)
+{
+        std::string service_url = buildServiceURI(service_name);
+
+        // Find the Service Name
+        if(!service_url.empty() && option_map.isMap())
+        {
+                // Do brace replacements - NOT CURRENTLY RECURSIVE
+                for(LLSD::map_const_iterator option_itr = option_map.beginMap();
+                        option_itr != option_map.endMap();
+                        ++option_itr)
+                {
+                        std::string variable_name = "{$";
+                        variable_name.append((*option_itr).first);
+                        variable_name.append("}");
+                        std::string::size_type find_pos = service_url.find(variable_name);
+                        if(find_pos != std::string::npos)
+                        {
+                                service_url.replace(
+                                        find_pos,
+                                        variable_name.length(),
+                                        (*option_itr).second.asString());
+                        }
+                }
+        }
+
+        return service_url;
+}
diff --git a/linden/indra/llmessage/llservicebuilder.h b/linden/indra/llmessage/llservicebuilder.h
new file mode 100644
index 0000000..817ea0c
--- /dev/null
+++ b/linden/indra/llmessage/llservicebuilder.h
@@ -0,0 +1,93 @@
+/** 
+* @file llservicebuilder.h
+* @brief Declaration of the LLServiceBuilder class.
+*
+* Copyright (c) 2007-2007, Linden Research, Inc.
+* 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+*/
+
+#ifndef LLSERVICEBUILDER_H
+#define LLSERVICEBUILDER_H
+
+#include <string>
+#include <map>
+#include "llerror.h"
+
+class LLSD;
+
+/** 
+ * @class LLServiceBuilder
+ * @brief This class builds urls for us to use when making web service calls.
+ */
+
+class LLServiceBuilder
+{
+        LOG_CLASS(LLServiceBuilder);
+public:
+        LLServiceBuilder(void) {}
+        ~LLServiceBuilder(void) {}
+
+        /** 
+         * @brief Initialize this object with the service definitions.
+         *
+         * @param service_filename The services definition files -- services.xml.
+         */
+        void loadServiceDefinitionsFromFile(const std::string& service_filename);
+
+        /** 
+         * @brief Build a service url if the url needs no construction parameters.
+         *
+         * @param service_name The name of the service you want to call.
+         */
+        std::string buildServiceURI(const std::string& service_name);
+
+        /** 
+         * @brief Build a service url if the url with construction parameters.
+         *
+         * The parameter substitution supports string substituition from RUSS:
+         * [[Recursive_URL_Substitution_Syntax]]
+         * @param service_name The name of the service you want to call.
+         * @param option_map The parameters in a map of name:value for the service.
+         */
+        std::string buildServiceURI(
+                const std::string& service_name,
+                const LLSD& option_map);        
+
+public:
+        /** 
+         * @brief Helper method which builds construction state for a service
+         *
+         * This method should probably be protected, but we need to test this
+         * method.
+         */
+        void createServiceDefinition(
+                const std::string& service_name,
+                LLSD& service_url);
+
+protected:
+        std::map<std::string, std::string> mServiceMap;
+};
+
+
+
+#endif
diff --git a/linden/indra/llmessage/lltaskname.h b/linden/indra/llmessage/lltaskname.h
index e4e5c66..ac4fbd5 100644
--- a/linden/indra/llmessage/lltaskname.h
+++ b/linden/indra/llmessage/lltaskname.h
@@ -5,6 +5,7 @@
  *
  * Copyright (c) 2000-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llteleportflags.h b/linden/indra/llmessage/llteleportflags.h
index e52491a..25aac14 100644
--- a/linden/indra/llmessage/llteleportflags.h
+++ b/linden/indra/llmessage/llteleportflags.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2002-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/lltemplatemessagebuilder.cpp b/linden/indra/llmessage/lltemplatemessagebuilder.cpp
new file mode 100644
index 0000000..806f034
--- /dev/null
+++ b/linden/indra/llmessage/lltemplatemessagebuilder.cpp
@@ -0,0 +1,856 @@
+#include "linden_common.h"
+
+#include "lltemplatemessagebuilder.h"
+
+#include "llmessagetemplate.h"
+#include "llquaternion.h"
+#include "u64.h"
+#include "v3dmath.h"
+#include "v3math.h"
+#include "v4math.h"
+
+LLTemplateMessageBuilder::LLTemplateMessageBuilder(message_template_name_map_t& name_template_map) :
+        mCurrentSMessageData(NULL),
+        mCurrentSMessageTemplate(NULL),
+        mCurrentSDataBlock(NULL),
+        mCurrentSMessageName(NULL),
+        mCurrentSBlockName(NULL),
+        mbSBuilt(FALSE),
+        mbSClear(TRUE),
+        mCurrentSendTotal(0),
+        mMessageTemplates(name_template_map)
+{
+}
+
+//virtual
+LLTemplateMessageBuilder::~LLTemplateMessageBuilder()
+{
+        delete mCurrentSMessageData;
+        mCurrentSMessageData = NULL;
+}
+
+
+// virtual
+void LLTemplateMessageBuilder::newMessage(const char *name)
+{
+        mbSBuilt = FALSE;
+        mbSClear = FALSE;
+
+        mCurrentSendTotal = 0;
+
+        delete mCurrentSMessageData;
+        mCurrentSMessageData = NULL;
+
+        char *namep = (char *)name; 
+
+        if (mMessageTemplates.count(namep) > 0)
+        {
+                mCurrentSMessageTemplate = mMessageTemplates[namep];
+                if (mCurrentSMessageData)
+                {
+                        delete mCurrentSMessageData;
+                }
+                mCurrentSMessageData = new LLMsgData(namep);
+                mCurrentSMessageName = namep;
+                mCurrentSDataBlock = NULL;
+                mCurrentSBlockName = NULL;
+
+                // add at one of each block
+                LLMessageTemplate* msg_template = mMessageTemplates[namep];
+                for (LLMessageTemplate::message_block_map_t::iterator iter = msg_template->mMemberBlocks.begin();
+                         iter != msg_template->mMemberBlocks.end(); iter++)
+                {
+                        LLMessageBlock* ci = iter->second;
+                        LLMsgBlkData    *tblockp;
+                        tblockp = new LLMsgBlkData(ci->mName, 0);
+                        mCurrentSMessageData->addBlock(tblockp);
+                }
+        }
+        else
+        {
+                llerrs << "newMessage - Message " << name << " not registered" << llendl;
+        }
+}
+
+// virtual
+void LLTemplateMessageBuilder::clearMessage()
+{
+        mbSBuilt = FALSE;
+        mbSClear = TRUE;
+
+        mCurrentSendTotal = 0;
+
+        mCurrentSMessageTemplate = NULL;
+
+        delete mCurrentSMessageData;
+        mCurrentSMessageData = NULL;
+
+        mCurrentSMessageName = NULL;
+        mCurrentSDataBlock = NULL;
+        mCurrentSBlockName = NULL;
+}
+
+// virtual
+void LLTemplateMessageBuilder::nextBlock(const char* blockname)
+{
+        char *bnamep = (char *)blockname; 
+
+        if (!mCurrentSMessageTemplate)
+        {
+                llerrs << "newMessage not called prior to setBlock" << llendl;
+                return;
+        }
+
+        // now, does this block exist?
+        LLMessageTemplate::message_block_map_t::iterator temp_iter = mCurrentSMessageTemplate->mMemberBlocks.find(bnamep);
+        if (temp_iter == mCurrentSMessageTemplate->mMemberBlocks.end())
+        {
+                llerrs << "LLTemplateMessageBuilder::nextBlock " << bnamep
+                        << " not a block in " << mCurrentSMessageTemplate->mName << llendl;
+                return;
+        }
+        
+        LLMessageBlock* template_data = temp_iter->second;
+        
+        // ok, have we already set this block?
+        LLMsgBlkData* block_data = mCurrentSMessageData->mMemberBlocks[bnamep];
+        if (block_data->mBlockNumber == 0)
+        {
+                // nope! set this as the current block
+                block_data->mBlockNumber = 1;
+                mCurrentSDataBlock = block_data;
+                mCurrentSBlockName = bnamep;
+
+                // add placeholders for each of the variables
+                for (LLMessageBlock::message_variable_map_t::iterator iter = template_data->mMemberVariables.begin();
+                         iter != template_data->mMemberVariables.end(); iter++)
+                {
+                        LLMessageVariable& ci = *(iter->second);
+                        mCurrentSDataBlock->addVariable(ci.getName(), ci.getType());
+                }
+                return;
+        }
+        else
+        {
+                // already have this block. . . 
+                // are we supposed to have a new one?
+
+                // if the block is type MBT_SINGLE this is bad!
+                if (template_data->mType == MBT_SINGLE)
+                {
+                        llerrs << "LLTemplateMessageBuilder::nextBlock called multiple times"
+                                << " for " << bnamep << " but is type MBT_SINGLE" << llendl;
+                        return;
+                }
+
+
+                // if the block is type MBT_MULTIPLE then we need a known number, 
+                // make sure that we're not exceeding it
+                if (  (template_data->mType == MBT_MULTIPLE)
+                        &&(mCurrentSDataBlock->mBlockNumber == template_data->mNumber))
+                {
+                        llerrs << "LLTemplateMessageBuilder::nextBlock called "
+                                << mCurrentSDataBlock->mBlockNumber << " times for " << bnamep
+                                << " exceeding " << template_data->mNumber
+                                << " specified in type MBT_MULTIPLE." << llendl;
+                        return;
+                }
+
+                // ok, we can make a new one
+                // modify the name to avoid name collision by adding number to end
+                S32  count = block_data->mBlockNumber;
+
+                // incrememt base name's count
+                block_data->mBlockNumber++;
+
+                if (block_data->mBlockNumber > MAX_BLOCKS)
+                {
+                        llerrs << "Trying to pack too many blocks into MBT_VARIABLE type "
+                                   << "(limited to " << MAX_BLOCKS << ")" << llendl;
+                }
+
+                // create new name
+                // Nota Bene: if things are working correctly, 
+                // mCurrentMessageData->mMemberBlocks[blockname]->mBlockNumber == 
+                // mCurrentDataBlock->mBlockNumber + 1
+
+                char *nbnamep = bnamep + count;
+        
+                mCurrentSDataBlock = new LLMsgBlkData(bnamep, count);
+                mCurrentSDataBlock->mName = nbnamep;
+                mCurrentSMessageData->mMemberBlocks[nbnamep] = mCurrentSDataBlock;
+
+                // add placeholders for each of the variables
+                for (LLMessageBlock::message_variable_map_t::iterator
+                                 iter = template_data->mMemberVariables.begin(),
+                                 end = template_data->mMemberVariables.end();
+                         iter != end; iter++)
+                {
+                        LLMessageVariable& ci = *(iter->second);
+                        mCurrentSDataBlock->addVariable(ci.getName(), ci.getType());
+                }
+                return;
+        }
+}
+
+// TODO: Remove this horror...
+BOOL LLTemplateMessageBuilder::removeLastBlock()
+{
+        if (mCurrentSBlockName)
+        {
+                if (  (mCurrentSMessageData)
+                        &&(mCurrentSMessageTemplate))
+                {
+                        if (mCurrentSMessageData->mMemberBlocks[mCurrentSBlockName]->mBlockNumber >= 1)
+                        {
+                                // At least one block for the current block name.
+
+                                // Store the current block name for future reference.
+                                char *block_name = mCurrentSBlockName;
+
+                                // Decrement the sent total by the size of the
+                                // data in the message block that we're currently building.
+
+                                LLMessageBlock* template_data = mCurrentSMessageTemplate->mMemberBlocks[mCurrentSBlockName];
+                                
+                                for (LLMessageBlock::message_variable_map_t::iterator iter = template_data->mMemberVariables.begin();
+                                         iter != template_data->mMemberVariables.end(); iter++)
+                                {
+                                        LLMessageVariable& ci = *(iter->second);
+                                        mCurrentSendTotal -= ci.getSize();
+                                }
+
+
+                                // Now we want to find the block that we're blowing away.
+
+                                // Get the number of blocks.
+                                LLMsgBlkData* block_data = mCurrentSMessageData->mMemberBlocks[block_name];
+                                S32 num_blocks = block_data->mBlockNumber;
+
+                                // Use the same (suspect?) algorithm that's used to generate
+                                // the names in the nextBlock method to find it.
+                                char *block_getting_whacked = block_name + num_blocks - 1;
+                                LLMsgBlkData* whacked_data = mCurrentSMessageData->mMemberBlocks[block_getting_whacked];
+                                delete whacked_data;
+                                mCurrentSMessageData->mMemberBlocks.erase(block_getting_whacked);
+
+                                if (num_blocks <= 1)
+                                {
+                                        // we just blew away the last one, so return FALSE
+                                        llwarns << "not blowing away the only block of message "
+                                                        << mCurrentSMessageName
+                                                        << ". Block: " << block_name
+                                                        << ". Number: " << num_blocks
+                                                        << llendl;
+                                        return FALSE;
+                                }
+                                else
+                                {
+                                        // Decrement the counter.
+                                        block_data->mBlockNumber--;
+                                        return TRUE;
+                                }
+                        }
+                }
+        }
+        return FALSE;
+}
+
+// add data to variable in current block
+void LLTemplateMessageBuilder::addData(const char *varname, const void *data, EMsgVariableType type, S32 size)
+{
+        char *vnamep = (char *)varname; 
+
+        // do we have a current message?
+        if (!mCurrentSMessageTemplate)
+        {
+                llerrs << "newMessage not called prior to addData" << llendl;
+                return;
+        }
+
+        // do we have a current block?
+        if (!mCurrentSDataBlock)
+        {
+                llerrs << "setBlock not called prior to addData" << llendl;
+                return;
+        }
+
+        // kewl, add the data if it exists
+        LLMessageVariable* var_data = mCurrentSMessageTemplate->mMemberBlocks[mCurrentSBlockName]->mMemberVariables[vnamep];
+        if (!var_data || !var_data->getName())
+        {
+                llerrs << vnamep << " not a variable in block " << mCurrentSBlockName << " of " << mCurrentSMessageTemplate->mName << llendl;
+                return;
+        }
+
+        // ok, it seems ok. . . are we the correct size?
+        if (var_data->getType() == MVT_VARIABLE)
+        {
+                // Variable 1 can only store 255 bytes, make sure our data is smaller
+                if ((var_data->getSize() == 1) &&
+                        (size > 255))
+                {
+                        llwarns << "Field " << varname << " is a Variable 1 but program "
+                               << "attempted to stuff more than 255 bytes in "
+                               << "(" << size << ").  Clamping size and truncating data." << llendl;
+                        size = 255;
+                        char *truncate = (char *)data;
+                        truncate[255] = 0;
+                }
+
+                // no correct size for MVT_VARIABLE, instead we need to tell how many bytes the size will be encoded as
+                mCurrentSDataBlock->addData(vnamep, data, size, type, var_data->getSize());
+                mCurrentSendTotal += size;
+        }
+        else
+        {
+                if (size != var_data->getSize())
+                {
+                        llerrs << varname << " is type MVT_FIXED but request size " << size << " doesn't match template size "
+                                   << var_data->getSize() << llendl;
+                        return;
+                }
+                // alright, smash it in
+                mCurrentSDataBlock->addData(vnamep, data, size, type);
+                mCurrentSendTotal += size;
+        }
+}
+
+// add data to variable in current block - fails if variable isn't MVT_FIXED
+void LLTemplateMessageBuilder::addData(const char *varname, const void *data, EMsgVariableType type)
+{
+        char *vnamep = (char *)varname; 
+
+        // do we have a current message?
+        if (!mCurrentSMessageTemplate)
+        {
+                llerrs << "newMessage not called prior to addData" << llendl;
+                return;
+        }
+
+        // do we have a current block?
+        if (!mCurrentSDataBlock)
+        {
+                llerrs << "setBlock not called prior to addData" << llendl;
+                return;
+        }
+
+        // kewl, add the data if it exists
+        LLMessageVariable* var_data = mCurrentSMessageTemplate->mMemberBlocks[mCurrentSBlockName]->mMemberVariables[vnamep];
+        if (!var_data->getName())
+        {
+                llerrs << vnamep << " not a variable in block " << mCurrentSBlockName << " of " << mCurrentSMessageTemplate->mName << llendl;
+                return;
+        }
+
+        // ok, it seems ok. . . are we MVT_VARIABLE?
+        if (var_data->getType() == MVT_VARIABLE)
+        {
+                // nope
+                llerrs << vnamep << " is type MVT_VARIABLE. Call using addData(name, data, size)" << llendl;
+                return;
+        }
+        else
+        {
+                mCurrentSDataBlock->addData(vnamep, data, var_data->getSize(), type);
+                mCurrentSendTotal += var_data->getSize();
+        }
+}
+
+void LLTemplateMessageBuilder::addBinaryData(const char *varname, 
+                                                                                        const void *data, S32 size)
+{
+        addData(varname, data, MVT_FIXED, size);
+}
+
+void LLTemplateMessageBuilder::addS8(const char *varname, S8 s)
+{
+        addData(varname, &s, MVT_S8, sizeof(s));
+}
+
+void LLTemplateMessageBuilder::addU8(const char *varname, U8 u)
+{
+        addData(varname, &u, MVT_U8, sizeof(u));
+}
+
+void LLTemplateMessageBuilder::addS16(const char *varname, S16 i)
+{
+        addData(varname, &i, MVT_S16, sizeof(i));
+}
+
+void LLTemplateMessageBuilder::addU16(const char *varname, U16 i)
+{
+        addData(varname, &i, MVT_U16, sizeof(i));
+}
+
+void LLTemplateMessageBuilder::addF32(const char *varname, F32 f)
+{
+        addData(varname, &f, MVT_F32, sizeof(f));
+}
+
+void LLTemplateMessageBuilder::addS32(const char *varname, S32 s)
+{
+        addData(varname, &s, MVT_S32, sizeof(s));
+}
+
+void LLTemplateMessageBuilder::addU32(const char *varname, U32 u)
+{
+        addData(varname, &u, MVT_U32, sizeof(u));
+}
+
+void LLTemplateMessageBuilder::addU64(const char *varname, U64 lu)
+{
+        addData(varname, &lu, MVT_U64, sizeof(lu));
+}
+
+void LLTemplateMessageBuilder::addF64(const char *varname, F64 d)
+{
+        addData(varname, &d, MVT_F64, sizeof(d));
+}
+
+void LLTemplateMessageBuilder::addIPAddr(const char *varname, U32 u)
+{
+        addData(varname, &u, MVT_IP_ADDR, sizeof(u));
+}
+
+void LLTemplateMessageBuilder::addIPPort(const char *varname, U16 u)
+{
+        u = htons(u);
+        addData(varname, &u, MVT_IP_PORT, sizeof(u));
+}
+
+void LLTemplateMessageBuilder::addBOOL(const char* varname, BOOL b)
+{
+        // Can't just cast a BOOL (actually a U32) to a U8.
+        // In some cases the low order bits will be zero.
+        U8 temp = (b != 0);
+        addData(varname, &temp, MVT_BOOL, sizeof(temp));
+}
+
+void LLTemplateMessageBuilder::addString(const char* varname, const char* s)
+{
+        if (s)
+                addData( varname, (void *)s, MVT_VARIABLE, (S32)strlen(s) + 1);  /* Flawfinder: ignore */  
+        else
+                addData( varname, NULL, MVT_VARIABLE, 0); 
+}
+
+void LLTemplateMessageBuilder::addString(const char* varname, const std::string& s)
+{
+        if (s.size())
+                addData( varname, (void *)s.c_str(), MVT_VARIABLE, (S32)(s.size()) + 1); 
+        else
+                addData( varname, NULL, MVT_VARIABLE, 0); 
+}
+
+void LLTemplateMessageBuilder::addVector3(const char *varname, const LLVector3& vec)
+{
+        addData(varname, vec.mV, MVT_LLVector3, sizeof(vec.mV));
+}
+
+void LLTemplateMessageBuilder::addVector4(const char *varname, const LLVector4& vec)
+{
+        addData(varname, vec.mV, MVT_LLVector4, sizeof(vec.mV));
+}
+
+void LLTemplateMessageBuilder::addVector3d(const char *varname, const LLVector3d& vec)
+{
+        addData(varname, vec.mdV, MVT_LLVector3d, sizeof(vec.mdV));
+}
+
+void LLTemplateMessageBuilder::addQuat(const char *varname, const LLQuaternion& quat)
+{
+        addData(varname, quat.packToVector3().mV, MVT_LLQuaternion, sizeof(LLVector3));
+}
+
+void LLTemplateMessageBuilder::addUUID(const char *varname, const LLUUID& uuid)
+{
+        addData(varname, uuid.mData, MVT_LLUUID, sizeof(uuid.mData));
+}
+
+static S32 zero_code(U8 **data, U32 *data_size)
+{
+        // Encoded send buffer needs to be slightly larger since the zero
+        // coding can potentially increase the size of the send data.
+        static U8 encodedSendBuffer[2 * MAX_BUFFER_SIZE];
+
+        S32 count = *data_size;
+        
+        S32 net_gain = 0;
+        U8 num_zeroes = 0;
+        
+        U8 *inptr = (U8 *)*data;
+        U8 *outptr = (U8 *)encodedSendBuffer;
+
+// skip the packet id field
+
+        for (U32 i=0;i<LL_PACKET_ID_SIZE;i++)
+        {
+                count--;
+                *outptr++ = *inptr++;
+        }
+
+// build encoded packet, keeping track of net size gain
+
+// sequential zero bytes are encoded as 0 [U8 count] 
+// with 0 0 [count] representing wrap (>256 zeroes)
+
+        while (count--)
+        {
+                if (!(*inptr))   // in a zero count
+                {
+                        if (num_zeroes)
+                        {
+                                if (++num_zeroes > 254)
+                                {
+                                        *outptr++ = num_zeroes;
+                                        num_zeroes = 0;
+                                }
+                                net_gain--;   // subseqent zeroes save one
+                        }
+                        else
+                        {
+                                *outptr++ = 0;
+                                net_gain++;  // starting a zero count adds one
+                                num_zeroes = 1;
+                        }
+                        inptr++;
+                }
+                else
+                {
+                        if (num_zeroes)
+                        {
+                                *outptr++ = num_zeroes;
+                                num_zeroes = 0;
+                        }
+                        *outptr++ = *inptr++;
+                }
+        }
+
+        if (num_zeroes)
+        {
+                *outptr++ = num_zeroes;
+        }
+
+        if (net_gain < 0)
+        {
+                // TODO: babbage: reinstate stat collecting...
+                //mCompressedPacketsOut++;
+                //mUncompressedBytesOut += *data_size;
+
+                *data = encodedSendBuffer;
+                *data_size += net_gain;
+                encodedSendBuffer[0] |= LL_ZERO_CODE_FLAG;          // set the head bit to indicate zero coding
+
+                //mCompressedBytesOut += *data_size;
+
+        }
+        //mTotalBytesOut += *data_size;
+
+        return(net_gain);
+}
+
+void LLTemplateMessageBuilder::compressMessage(U8*& buf_ptr, U32& buffer_length)
+{
+        if(ME_ZEROCODED == mCurrentSMessageTemplate->getEncoding())
+        {
+                zero_code(&buf_ptr, &buffer_length);
+        }
+}
+
+BOOL LLTemplateMessageBuilder::isMessageFull(const char* blockname) const
+{
+        if(mCurrentSendTotal > MTUBYTES)
+        {
+                return TRUE;
+        }
+        if(!blockname)
+        {
+                return FALSE;
+        }
+        char* bnamep = (char*)blockname;
+        S32 max;
+
+        LLMessageBlock* template_data = mCurrentSMessageTemplate->mMemberBlocks[bnamep];
+        
+        switch(template_data->mType)
+        {
+        case MBT_SINGLE:
+                max = 1;
+                break;
+        case MBT_MULTIPLE:
+                max = template_data->mNumber;
+                break;
+        case MBT_VARIABLE:
+        default:
+                max = MAX_BLOCKS;
+                break;
+        }
+        if(mCurrentSMessageData->mMemberBlocks[bnamep]->mBlockNumber >= max)
+        {
+                return TRUE;
+        }
+        return FALSE;
+}
+
+
+// make sure that all the desired data is in place and then copy the data into MAX_BUFFER_SIZEd buffer
+U32 LLTemplateMessageBuilder::buildMessage(U8* buffer, U32 buffer_size)
+{
+        // basic algorithm is to loop through the various pieces, building
+        // size and offset info if we encounter a -1 for mSize at any
+        // point that variable wasn't given data
+
+        // do we have a current message?
+        if (!mCurrentSMessageTemplate)
+        {
+                llerrs << "newMessage not called prior to buildMessage" << llendl;
+                return 0;
+        }
+
+        // zero out some useful values
+
+        // leave room for circuit counter
+        U32 result = LL_PACKET_ID_SIZE;
+
+        // encode message number and adjust total_offset
+        if (mCurrentSMessageTemplate->mFrequency == MFT_HIGH)
+        {
+// old, endian-dependant way
+//              memcpy(&buffer[result], &mCurrentMessageTemplate->mMessageNumber, sizeof(U8));
+
+// new, independant way
+                buffer[result] = (U8)mCurrentSMessageTemplate->mMessageNumber;
+                result += sizeof(U8);
+        }
+        else if (mCurrentSMessageTemplate->mFrequency == MFT_MEDIUM)
+        {
+                U8 temp = 255;
+                memcpy(&buffer[result], &temp, sizeof(U8));  /*Flawfinder: ignore*/
+                result += sizeof(U8);
+
+                // mask off unsightly bits
+                temp = mCurrentSMessageTemplate->mMessageNumber & 255;
+                memcpy(&buffer[result], &temp, sizeof(U8));  /*Flawfinder: ignore*/
+                result += sizeof(U8);
+        }
+        else if (mCurrentSMessageTemplate->mFrequency == MFT_LOW)
+        {
+                U8 temp = 255;
+                U16  message_num;
+                memcpy(&buffer[result], &temp, sizeof(U8));  /*Flawfinder: ignore*/
+                result += sizeof(U8);
+                memcpy(&buffer[result], &temp, sizeof(U8));  /*Flawfinder: ignore*/
+                result += sizeof(U8);
+
+                // mask off unsightly bits
+                message_num = mCurrentSMessageTemplate->mMessageNumber & 0xFFFF;
+
+            // convert to network byte order
+                message_num = htons(message_num);
+                memcpy(&buffer[result], &message_num, sizeof(U16)); /*Flawfinder: ignore*/
+                result += sizeof(U16);
+        }
+        else
+        {
+                llerrs << "unexpected message frequency in buildMessage" << llendl;
+                return 0;
+        }
+
+        // counting variables used to encode multiple block info
+        S32 block_count = 0;
+        U8  temp_block_number;
+
+        // loop through msg blocks to loop through variables,
+        // totalling up size data and copying into buffer
+        for (LLMsgData::msg_blk_data_map_t::iterator
+                         iter = mCurrentSMessageData->mMemberBlocks.begin(),
+                         end = mCurrentSMessageData->mMemberBlocks.end();
+                 iter != end; iter++)
+        {
+                LLMsgBlkData* mbci = iter->second;
+                // do we need to encode a block code?
+                if (block_count == 0)
+                {
+                        block_count = mbci->mBlockNumber;
+
+                        LLMessageBlock* template_data =
+                                mCurrentSMessageTemplate->mMemberBlocks[mbci->mName];
+                        
+                        // ok, if this is the first block of a repeating pack, set
+                        // block_count and, if it's type MBT_VARIABLE encode a byte
+                        // for how many there are
+                        if (template_data->mType == MBT_VARIABLE)
+                        {
+                                // remember that mBlockNumber is a S32
+                                temp_block_number = (U8)mbci->mBlockNumber;
+                                if ((S32)(result + sizeof(U8)) < MAX_BUFFER_SIZE)
+                                {
+                                    memcpy(&buffer[result], &temp_block_number, sizeof(U8));
+                                    result += sizeof(U8);
+                                }
+                                else
+                                {
+                                    // Just reporting error is likely not enough. Need
+                                    // to check how to abort or error out gracefully
+                                    // from this function. XXXTBD
+                                    llerrs << "buildMessage failed. Message excedding "
+                                                   << "sendBuffersize." << llendl;
+                                }
+                        }
+                        else if (template_data->mType == MBT_MULTIPLE)
+                        {
+                                if (block_count != template_data->mNumber)
+                                {
+                                        // nope!  need to fill it in all the way!
+                                        llerrs << "Block " << mbci->mName
+                                                << " is type MBT_MULTIPLE but only has data for "
+                                                << block_count << " out of its "
+                                                << template_data->mNumber << " blocks" << llendl;
+                                }
+                        }
+                }
+
+                // counting down multiple blocks
+                block_count--;
+
+                // now loop through the variables
+                for (LLMsgBlkData::msg_var_data_map_t::iterator iter = mbci->mMemberVarData.begin();
+                         iter != mbci->mMemberVarData.end(); iter++)
+                {
+                        LLMsgVarData& mvci = *iter;
+                        if (mvci.getSize() == -1)
+                        {
+                                // oops, this variable wasn't ever set!
+                                llerrs << "The variable " << mvci.getName() << " in block "
+                                        << mbci->mName << " of message "
+                                        << mCurrentSMessageData->mName
+                                        << " wasn't set prior to buildMessage call" << llendl;
+                        }
+                        else
+                        {
+                                S32 data_size = mvci.getDataSize();
+                                if(data_size > 0)
+                                {
+                                        // The type is MVT_VARIABLE, which means that we
+                                        // need to encode a size argument. Otherwise,
+                                        // there is no need.
+                                        S32 size = mvci.getSize();
+                                        U8 sizeb;
+                                        U16 sizeh;
+                                        switch(data_size)
+                                        {
+                                        case 1:
+                                                sizeb = size;
+                                                htonmemcpy(&buffer[result], &sizeb, MVT_U8, 1);
+                                                break;
+                                        case 2:
+                                                sizeh = size;
+                                                htonmemcpy(&buffer[result], &sizeh, MVT_U16, 2);
+                                                break;
+                                        case 4:
+                                                htonmemcpy(&buffer[result], &size, MVT_S32, 4);
+                                                break;
+                                        default:
+                                                llerrs << "Attempting to build variable field with unknown size of " << size << llendl;
+                                                break;
+                                        }
+                                        result += mvci.getDataSize();
+                                }
+
+                                // if there is any data to pack, pack it
+                                if((mvci.getData() != NULL) && mvci.getSize())
+                                {
+                                        if(result + mvci.getSize() < buffer_size)
+                                        {
+                                            memcpy(
+                                                        &buffer[result],
+                                                        mvci.getData(),
+                                                        mvci.getSize());
+                                            result += mvci.getSize();
+                                        }
+                                        else
+                                        {
+                                            // Just reporting error is likely not
+                                            // enough. Need to check how to abort or error
+                                            // out gracefully from this function. XXXTBD
+                                                llerrs << "LLMessageSystem::buildMessage failed. "
+                                                        << "Attempted to pack "
+                                                        << result + mvci.getSize()
+                                                        << " bytes into a buffer with size "
+                                                        << buffer_size << "." << llendl
+                                        }                                               
+                                }
+                        }
+                }
+        }
+        mbSBuilt = TRUE;
+
+        return result;
+}
+
+void LLTemplateMessageBuilder::copyFromMessageData(const LLMsgData& data)
+{
+        // copy the blocks
+        // counting variables used to encode multiple block info
+        S32 block_count = 0;
+    char *block_name = NULL;
+
+        // loop through msg blocks to loop through variables, totalling up size
+        // data and filling the new (send) message
+        LLMsgData::msg_blk_data_map_t::const_iterator iter = 
+                data.mMemberBlocks.begin();
+        LLMsgData::msg_blk_data_map_t::const_iterator end = 
+                data.mMemberBlocks.end();
+        for(; iter != end; ++iter)
+        {
+                const LLMsgBlkData* mbci = iter->second;
+                if(!mbci) continue;
+
+                // do we need to encode a block code?
+                if (block_count == 0)
+                {
+                        block_count = mbci->mBlockNumber;
+                        block_name = (char *)mbci->mName;
+                }
+
+                // counting down mutliple blocks
+                block_count--;
+
+                nextBlock(block_name);
+
+                // now loop through the variables
+                LLMsgBlkData::msg_var_data_map_t::const_iterator dit = mbci->mMemberVarData.begin();
+                LLMsgBlkData::msg_var_data_map_t::const_iterator dend = mbci->mMemberVarData.end();
+                
+                for(; dit != dend; ++dit)
+                {
+                        const LLMsgVarData& mvci = *dit;
+                        addData(mvci.getName(), mvci.getData(), mvci.getType(), mvci.getSize());
+                }
+        }
+}
+
+//virtual 
+void LLTemplateMessageBuilder::copyFromLLSD(const LLSD&)
+{
+        // TODO
+}
+
+//virtual
+void LLTemplateMessageBuilder::setBuilt(BOOL b) { mbSBuilt = b; }
+
+//virtual 
+BOOL LLTemplateMessageBuilder::isBuilt() const {return mbSBuilt;}
+
+//virtual 
+BOOL LLTemplateMessageBuilder::isClear() const {return mbSClear;}
+
+//virtual 
+S32 LLTemplateMessageBuilder::getMessageSize() {return mCurrentSendTotal;}
+
+//virtual 
+const char* LLTemplateMessageBuilder::getMessageName() const 
+{
+        return mCurrentSMessageName;
+}
diff --git a/linden/indra/llmessage/lltemplatemessagebuilder.h b/linden/indra/llmessage/lltemplatemessagebuilder.h
new file mode 100644
index 0000000..ae53328
--- /dev/null
+++ b/linden/indra/llmessage/lltemplatemessagebuilder.h
@@ -0,0 +1,88 @@
+#ifndef LL_LLTEMPLATEMESSAGEBUILDER_H
+#define LL_LLTEMPLATEMESSAGEBUILDER_H
+
+#include <map>
+
+#include "llmessagebuilder.h"
+#include "llmsgvariabletype.h"
+
+class LLMsgData;
+class LLMessageTemplate;
+class LLMsgBlkData;
+class LLMessageTemplate;
+
+class LLTemplateMessageBuilder : public LLMessageBuilder
+{
+public:
+        
+        typedef std::map<const char *, LLMessageTemplate*> message_template_name_map_t;
+
+        LLTemplateMessageBuilder(message_template_name_map_t&);
+        virtual ~LLTemplateMessageBuilder();
+
+        virtual void newMessage(const char *name);
+
+        virtual void nextBlock(const char* blockname);
+        virtual BOOL removeLastBlock(); // TODO: babbage: remove this horror...
+
+        /** All add* methods expect pointers to canonical varname strings. */
+        virtual void addBinaryData(const char *varname, const void *data, 
+                                                           S32 size);
+        virtual void addBOOL(const char* varname, BOOL b);
+        virtual void addS8(const char *varname, S8 s);
+        virtual void addU8(const char *varname, U8 u);
+        virtual void addS16(const char *varname, S16 i);
+        virtual void addU16(const char *varname, U16 i);
+        virtual void addF32(const char *varname, F32 f);
+        virtual void addS32(const char *varname, S32 s);
+        virtual void addU32(const char *varname, U32 u);
+        virtual void addU64(const char *varname, U64 lu);
+        virtual void addF64(const char *varname, F64 d);
+        virtual void addVector3(const char *varname, const LLVector3& vec);
+        virtual void addVector4(const char *varname, const LLVector4& vec);
+        virtual void addVector3d(const char *varname, const LLVector3d& vec);
+        virtual void addQuat(const char *varname, const LLQuaternion& quat);
+        virtual void addUUID(const char *varname, const LLUUID& uuid);
+        virtual void addIPAddr(const char *varname, const U32 ip);
+        virtual void addIPPort(const char *varname, const U16 port);
+        virtual void addString(const char* varname, const char* s);
+        virtual void addString(const char* varname, const std::string& s);
+
+        virtual BOOL isMessageFull(const char* blockname) const;
+        virtual void compressMessage(U8*& buf_ptr, U32& buffer_length);
+
+        virtual BOOL isBuilt() const;
+        virtual BOOL isClear() const;
+        virtual U32 buildMessage(U8* buffer, U32 buffer_size); 
+        /**< Return built message size */
+        
+        virtual void clearMessage();
+
+        // TODO: babbage: remove this horror.
+        virtual void setBuilt(BOOL b);
+
+        virtual S32 getMessageSize();
+        virtual const char* getMessageName() const;
+
+        virtual void copyFromMessageData(const LLMsgData& data);
+        virtual void copyFromLLSD(const LLSD&);
+
+private:
+        void addData(const char *varname, const void *data, 
+                                         EMsgVariableType type, S32 size);
+        
+        void addData(const char *varname, const void *data, 
+                                                EMsgVariableType type);
+
+        LLMsgData* mCurrentSMessageData;
+        LLMessageTemplate* mCurrentSMessageTemplate;
+        LLMsgBlkData* mCurrentSDataBlock;
+        char* mCurrentSMessageName;
+        char* mCurrentSBlockName;
+        BOOL mbSBuilt;
+        BOOL mbSClear;
+        S32      mCurrentSendTotal;
+        message_template_name_map_t& mMessageTemplates;
+};
+
+#endif // LL_LLTEMPLATEMESSAGEBUILDER_H
diff --git a/linden/indra/llmessage/lltemplatemessagereader.cpp b/linden/indra/llmessage/lltemplatemessagereader.cpp
new file mode 100644
index 0000000..892efb8
--- /dev/null
+++ b/linden/indra/llmessage/lltemplatemessagereader.cpp
@@ -0,0 +1,750 @@
+#include "lltemplatemessagereader.h"
+
+#include "llfasttimer.h"
+#include "llmessagebuilder.h"
+#include "llmessagetemplate.h"
+#include "llquaternion.h"
+#include "message.h"
+#include "u64.h"
+#include "v3dmath.h"
+#include "v3math.h"
+#include "v4math.h"
+
+LLTemplateMessageReader::LLTemplateMessageReader(message_template_number_map_t&
+                                                                                                 number_template_map) :
+        mReceiveSize(0),
+        mCurrentRMessageTemplate(NULL),
+        mCurrentRMessageData(NULL),
+        mMessageNumbers(number_template_map)
+{
+}
+
+//virtual 
+LLTemplateMessageReader::~LLTemplateMessageReader()
+{
+        delete mCurrentRMessageData;
+        mCurrentRMessageData = NULL;
+}
+
+//virtual
+void LLTemplateMessageReader::clearMessage()
+{
+        mReceiveSize = -1;
+        mCurrentRMessageTemplate = NULL;
+        delete mCurrentRMessageData;
+        mCurrentRMessageData = NULL;
+}
+
+void LLTemplateMessageReader::getData(const char *blockname, const char *varname, void *datap, S32 size, S32 blocknum, S32 max_size)
+{
+        // is there a message ready to go?
+        if (mReceiveSize == -1)
+        {
+                llerrs << "No message waiting for decode 2!" << llendl;
+                return;
+        }
+
+        if (!mCurrentRMessageData)
+        {
+                llerrs << "Invalid mCurrentMessageData in getData!" << llendl;
+                return;
+        }
+
+        char *bnamep = (char *)blockname + blocknum; // this works because it's just a hash.  The bnamep is never derefference
+        char *vnamep = (char *)varname; 
+
+        LLMsgData::msg_blk_data_map_t::iterator iter = mCurrentRMessageData->mMemberBlocks.find(bnamep);
+
+        if (iter == mCurrentRMessageData->mMemberBlocks.end())
+        {
+                llerrs << "Block " << blockname << " #" << blocknum
+                        << " not in message " << mCurrentRMessageData->mName << llendl;
+                return;
+        }
+
+        LLMsgBlkData *msg_block_data = iter->second;
+        LLMsgVarData& vardata = msg_block_data->mMemberVarData[vnamep];
+
+        if (!vardata.getName())
+        {
+                llerrs << "Variable "<< vnamep << " not in message "
+                        << mCurrentRMessageData->mName<< " block " << bnamep << llendl;
+                return;
+        }
+
+        if (size && size != vardata.getSize())
+        {
+                llerrs << "Msg " << mCurrentRMessageData->mName 
+                        << " variable " << vnamep
+                        << " is size " << vardata.getSize()
+                        << " but copying into buffer of size " << size
+                        << llendl;
+                return;
+        }
+
+
+        const S32 vardata_size = vardata.getSize();
+        if( max_size >= vardata_size )
+        {   
+                switch( vardata_size )
+                { 
+                case 1:
+                        *((U8*)datap) = *((U8*)vardata.getData());
+                        break;
+                case 2:
+                        *((U16*)datap) = *((U16*)vardata.getData());
+                        break;
+                case 4:
+                        *((U32*)datap) = *((U32*)vardata.getData());
+                        break;
+                case 8:
+                        ((U32*)datap)[0] = ((U32*)vardata.getData())[0];
+                        ((U32*)datap)[1] = ((U32*)vardata.getData())[1];
+                        break;
+                default:
+                        memcpy(datap, vardata.getData(), vardata_size);
+                        break;
+                }
+        }
+        else
+        {
+                llwarns << "Msg " << mCurrentRMessageData->mName 
+                        << " variable " << vnamep
+                        << " is size " << vardata.getSize()
+                        << " but truncated to max size of " << max_size
+                        << llendl;
+
+                memcpy(datap, vardata.getData(), max_size);
+        }
+}
+
+S32 LLTemplateMessageReader::getNumberOfBlocks(const char *blockname)
+{
+        // is there a message ready to go?
+        if (mReceiveSize == -1)
+        {
+                llerrs << "No message waiting for decode 3!" << llendl;
+                return -1;
+        }
+
+        if (!mCurrentRMessageData)
+        {
+                llerrs << "Invalid mCurrentRMessageData in getData!" << llendl;
+                return -1;
+        }
+
+        char *bnamep = (char *)blockname; 
+
+        LLMsgData::msg_blk_data_map_t::iterator iter = mCurrentRMessageData->mMemberBlocks.find(bnamep);
+        
+        if (iter == mCurrentRMessageData->mMemberBlocks.end())
+        {
+//              sprintf(errmsg, "Block %s not in message %s", bnamep, mCurrentRMessageData->mName);
+//              llerrs << errmsg << llendl;
+//              return -1;
+                return 0;
+        }
+
+        return (iter->second)->mBlockNumber;
+}
+
+S32 LLTemplateMessageReader::getSize(const char *blockname, const char *varname)
+{
+        // is there a message ready to go?
+        if (mReceiveSize == -1)
+        {
+                llerrs << "No message waiting for decode 4!" << llendl;
+                return -1;
+        }
+
+        if (!mCurrentRMessageData)
+        {
+                llerrs << "Invalid mCurrentRMessageData in getData!" << llendl;
+                return -1;
+        }
+
+        char *bnamep = (char *)blockname; 
+
+        LLMsgData::msg_blk_data_map_t::iterator iter = mCurrentRMessageData->mMemberBlocks.find(bnamep);
+        
+        if (iter == mCurrentRMessageData->mMemberBlocks.end())
+        {
+                llerrs << "Block " << bnamep << " not in message "
+                        << mCurrentRMessageData->mName << llendl;
+                return -1;
+        }
+
+        char *vnamep = (char *)varname; 
+
+        LLMsgBlkData* msg_data = iter->second;
+        LLMsgVarData& vardata = msg_data->mMemberVarData[vnamep];
+        
+        if (!vardata.getName())
+        {
+                llerrs << "Variable " << varname << " not in message "
+                        << mCurrentRMessageData->mName << " block " << bnamep << llendl;
+                return -1;
+        }
+
+        if (mCurrentRMessageTemplate->mMemberBlocks[bnamep]->mType != MBT_SINGLE)
+        {
+                llerrs << "Block " << bnamep << " isn't type MBT_SINGLE,"
+                        " use getSize with blocknum argument!" << llendl;
+                return -1;
+        }
+
+        return vardata.getSize();
+}
+
+S32 LLTemplateMessageReader::getSize(const char *blockname, S32 blocknum, const char *varname)
+{
+        // is there a message ready to go?
+        if (mReceiveSize == -1)
+        {
+                llerrs << "No message waiting for decode 5!" << llendl;
+                return -1;
+        }
+
+        if (!mCurrentRMessageData)
+        {
+                llerrs << "Invalid mCurrentRMessageData in getData!" << llendl;
+                return -1;
+        }
+
+        char *bnamep = (char *)blockname + blocknum; 
+        char *vnamep = (char *)varname; 
+
+        LLMsgData::msg_blk_data_map_t::iterator iter = mCurrentRMessageData->mMemberBlocks.find(bnamep);
+        
+        if (iter == mCurrentRMessageData->mMemberBlocks.end())
+        {
+                llerrs << "Block " << bnamep << " not in message "
+                        << mCurrentRMessageData->mName << llendl;
+                return -1;
+        }
+
+        LLMsgBlkData* msg_data = iter->second;
+        LLMsgVarData& vardata = msg_data->mMemberVarData[vnamep];
+        
+        if (!vardata.getName())
+        {
+                llerrs << "Variable " << vnamep << " not in message "
+                        <<  mCurrentRMessageData->mName << " block " << bnamep << llendl;
+                return -1;
+        }
+
+        return vardata.getSize();
+}
+
+void LLTemplateMessageReader::getBinaryData(const char *blockname, 
+                                                                                        const char *varname, void *datap, 
+                                                                                        S32 size, S32 blocknum, 
+                                                                                        S32 max_size)
+{
+        getData(blockname, varname, datap, size, blocknum, max_size);
+}
+
+void LLTemplateMessageReader::getS8(const char *block, const char *var, 
+                                                                                S8 &u, S32 blocknum)
+{
+        getData(block, var, &u, sizeof(S8), blocknum);
+}
+
+void LLTemplateMessageReader::getU8(const char *block, const char *var, 
+                                                                                U8 &u, S32 blocknum)
+{
+        getData(block, var, &u, sizeof(U8), blocknum);
+}
+
+void LLTemplateMessageReader::getBOOL(const char *block, const char *var, 
+                                                                                  BOOL &b, S32 blocknum )
+{
+        U8 value;
+        getData(block, var, &value, sizeof(U8), blocknum);
+        b = (BOOL) value;
+}
+
+void LLTemplateMessageReader::getS16(const char *block, const char *var, 
+                                                                                 S16 &d, S32 blocknum)
+{
+        getData(block, var, &d, sizeof(S16), blocknum);
+}
+
+void LLTemplateMessageReader::getU16(const char *block, const char *var, 
+                                                                                 U16 &d, S32 blocknum)
+{
+        getData(block, var, &d, sizeof(U16), blocknum);
+}
+
+void LLTemplateMessageReader::getS32(const char *block, const char *var, 
+                                                                                 S32 &d, S32 blocknum)
+{
+        getData(block, var, &d, sizeof(S32), blocknum);
+}
+
+void LLTemplateMessageReader::getU32(const char *block, const char *var, 
+                                                                         U32 &d, S32 blocknum)
+{
+        getData(block, var, &d, sizeof(U32), blocknum);
+}
+
+void LLTemplateMessageReader::getU64(const char *block, const char *var, 
+                                                                         U64 &d, S32 blocknum)
+{
+        getData(block, var, &d, sizeof(U64), blocknum);
+}
+
+void LLTemplateMessageReader::getF32(const char *block, const char *var, 
+                                                                         F32 &d, S32 blocknum)
+{
+        getData(block, var, &d, sizeof(F32), blocknum);
+
+        if( !llfinite( d ) )
+        {
+                llwarns << "non-finite in getF32Fast " << block << " " << var 
+                                << llendl;
+                d = 0;
+        }
+}
+
+void LLTemplateMessageReader::getF64(const char *block, const char *var, 
+                                                                         F64 &d, S32 blocknum)
+{
+        getData(block, var, &d, sizeof(F64), blocknum);
+
+        if( !llfinite( d ) )
+        {
+                llwarns << "non-finite in getF64Fast " << block << " " << var 
+                                << llendl;
+                d = 0;
+        }
+}
+
+void LLTemplateMessageReader::getVector3(const char *block, const char *var, 
+                                                                                 LLVector3 &v, S32 blocknum )
+{
+        getData(block, var, v.mV, sizeof(v.mV), blocknum);
+
+        if( !v.isFinite() )
+        {
+                llwarns << "non-finite in getVector3Fast " << block << " " 
+                                << var << llendl;
+                v.zeroVec();
+        }
+}
+
+void LLTemplateMessageReader::getVector4(const char *block, const char *var, 
+                                                                                 LLVector4 &v, S32 blocknum)
+{
+        getData(block, var, v.mV, sizeof(v.mV), blocknum);
+
+        if( !v.isFinite() )
+        {
+                llwarns << "non-finite in getVector4Fast " << block << " " 
+                                << var << llendl;
+                v.zeroVec();
+        }
+}
+
+void LLTemplateMessageReader::getVector3d(const char *block, const char *var, 
+                                                                                  LLVector3d &v, S32 blocknum )
+{
+        getData(block, var, v.mdV, sizeof(v.mdV), blocknum);
+
+        if( !v.isFinite() )
+        {
+                llwarns << "non-finite in getVector3dFast " << block << " " 
+                                << var << llendl;
+                v.zeroVec();
+        }
+
+}
+
+void LLTemplateMessageReader::getQuat(const char *block, const char *var, 
+                                                                          LLQuaternion &q, S32 blocknum)
+{
+        LLVector3 vec;
+        getData(block, var, vec.mV, sizeof(vec.mV), blocknum);
+        if( vec.isFinite() )
+        {
+                q.unpackFromVector3( vec );
+        }
+        else
+        {
+                llwarns << "non-finite in getQuatFast " << block << " " << var 
+                                << llendl;
+                q.loadIdentity();
+        }
+}
+
+void LLTemplateMessageReader::getUUID(const char *block, const char *var, 
+                                                                          LLUUID &u, S32 blocknum)
+{
+        getData(block, var, u.mData, sizeof(u.mData), blocknum);
+}
+
+inline void LLTemplateMessageReader::getIPAddr(const char *block, const char *var, U32 &u, S32 blocknum)
+{
+        getData(block, var, &u, sizeof(U32), blocknum);
+}
+
+inline void LLTemplateMessageReader::getIPPort(const char *block, const char *var, U16 &u, S32 blocknum)
+{
+        getData(block, var, &u, sizeof(U16), blocknum);
+        u = ntohs(u);
+}
+
+inline void LLTemplateMessageReader::getString(const char *block, const char *var, S32 buffer_size, char *s, S32 blocknum )
+{
+        s[0] = '\0';
+        getData(block, var, s, 0, blocknum, buffer_size);
+        s[buffer_size - 1] = '\0';
+}
+
+//virtual 
+S32 LLTemplateMessageReader::getMessageSize() const
+{
+        return mReceiveSize;
+}
+
+// Returns template for the message contained in buffer
+BOOL LLTemplateMessageReader::decodeTemplate(  
+                const U8* buffer, S32 buffer_size,  // inputs
+                LLMessageTemplate** msg_template ) // outputs
+{
+        const U8* header = buffer + LL_PACKET_ID_SIZE;
+
+        // is there a message ready to go?
+        if (buffer_size <= 0)
+        {
+                llwarns << "No message waiting for decode!" << llendl;
+                return(FALSE);
+        }
+
+        U32 num = 0;
+
+        if (header[0] != 255)
+        {
+                // high frequency message
+                num = header[0];
+        }
+        else if ((buffer_size >= ((S32) LL_MINIMUM_VALID_PACKET_SIZE + 1)) && (header[1] != 255))
+        {
+                // medium frequency message
+                num = (255 << 8) | header[1];
+        }
+        else if ((buffer_size >= ((S32) LL_MINIMUM_VALID_PACKET_SIZE + 3)) && (header[1] == 255))
+        {
+                // low frequency message
+                U16     message_id_U16 = 0;
+                // I think this check busts the message system.
+                // it appears that if there is a NULL in the message #, it won't copy it....
+                // what was the goal?
+                //if(header[2])
+                memcpy(&message_id_U16, &header[2], 2);
+
+                // dependant on endian-ness:
+                //              U32     temp = (255 << 24) | (255 << 16) | header[2];
+
+                // independant of endian-ness:
+                message_id_U16 = ntohs(message_id_U16);
+                num = 0xFFFF0000 | message_id_U16;
+        }
+        else // bogus packet received (too short)
+        {
+                llwarns << "Packet with unusable length received (too short): "
+                                << buffer_size << llendl;
+                return(FALSE);
+        }
+
+        LLMessageTemplate* temp = get_ptr_in_map(mMessageNumbers,num);
+        if (temp)
+        {
+                *msg_template = temp;
+        }
+        else
+        {
+                llwarns << "Message #" << std::hex << num << std::dec
+                        << " received but not registered!" << llendl;
+                gMessageSystem->callExceptionFunc(MX_UNREGISTERED_MESSAGE);
+                return(FALSE);
+        }
+
+        return(TRUE);
+}
+
+void LLTemplateMessageReader::logRanOffEndOfPacket( const LLHost& host )
+{
+        // we've run off the end of the packet!
+        llwarns << "Ran off end of packet " << mCurrentRMessageTemplate->mName
+//                      << " with id " << mCurrentRecvPacketID 
+                        << " from " << host
+                        << llendl;
+        if(gMessageSystem->mVerboseLog)
+        {
+                llinfos << "MSG: -> " << host << "\tREAD PAST END:\t"
+//                              << mCurrentRecvPacketID << " "
+                                << getMessageName() << llendl;
+        }
+        gMessageSystem->callExceptionFunc(MX_RAN_OFF_END_OF_PACKET);
+}
+
+// decode a given message
+BOOL LLTemplateMessageReader::decodeData(const U8* buffer, const LLHost& sender )
+{
+        llassert( mReceiveSize >= 0 );
+        llassert( mCurrentRMessageTemplate);
+        llassert( !mCurrentRMessageData );
+        delete mCurrentRMessageData; // just to make sure
+
+        S32 decode_pos = LL_PACKET_ID_SIZE + (S32)(mCurrentRMessageTemplate->mFrequency);
+
+        // create base working data set
+        mCurrentRMessageData = new LLMsgData(mCurrentRMessageTemplate->mName);
+        
+        // loop through the template building the data structure as we go
+        for (LLMessageTemplate::message_block_map_t::iterator iter = mCurrentRMessageTemplate->mMemberBlocks.begin();
+                 iter != mCurrentRMessageTemplate->mMemberBlocks.end(); iter++)
+        {
+                LLMessageBlock* mbci = iter->second;
+                U8      repeat_number;
+                S32     i;
+
+                // how many of this block?
+
+                if (mbci->mType == MBT_SINGLE)
+                {
+                        // just one
+                        repeat_number = 1;
+                }
+                else if (mbci->mType == MBT_MULTIPLE)
+                {
+                        // a known number
+                        repeat_number = mbci->mNumber;
+                }
+                else if (mbci->mType == MBT_VARIABLE)
+                {
+                        // need to read the number from the message
+                        // repeat number is a single byte
+                        if (decode_pos >= mReceiveSize)
+                        {
+                                logRanOffEndOfPacket( sender );
+                                return FALSE;
+                        }
+                        repeat_number = buffer[decode_pos];
+                        decode_pos++;
+                }
+                else
+                {
+                        llerrs << "Unknown block type" << llendl;
+                        return FALSE;
+                }
+
+                LLMsgBlkData* cur_data_block = NULL;
+
+                // now loop through the block
+                for (i = 0; i < repeat_number; i++)
+                {
+                        if (i)
+                        {
+                                // build new name to prevent collisions
+                                // TODO: This should really change to a vector
+                                cur_data_block = new LLMsgBlkData(mbci->mName, repeat_number);
+                                cur_data_block->mName = mbci->mName + i;
+                        }
+                        else
+                        {
+                                cur_data_block = new LLMsgBlkData(mbci->mName, repeat_number);
+                        }
+
+                        // add the block to the message
+                        mCurrentRMessageData->addBlock(cur_data_block);
+
+                        // now read the variables
+                        for (LLMessageBlock::message_variable_map_t::iterator iter = mbci->mMemberVariables.begin();
+                                 iter != mbci->mMemberVariables.end(); iter++)
+                        {
+                                LLMessageVariable& mvci = *(iter->second);
+                                // ok, build out the variables
+                                // add variable block
+                                cur_data_block->addVariable(mvci.getName(), mvci.getType());
+
+                                // what type of variable?
+                                if (mvci.getType() == MVT_VARIABLE)
+                                {
+                                        // variable, get the number of bytes to read from the template
+                                        S32 data_size = mvci.getSize();
+                                        U8 tsizeb = 0;
+                                        U16 tsizeh = 0;
+                                        U32 tsize = 0;
+
+                                        if ((decode_pos + data_size) > mReceiveSize)
+                                        {
+                                                logRanOffEndOfPacket( sender );
+                                                return FALSE;
+                                        }
+                                        switch(data_size)
+                                        {
+                                        case 1:
+                                                htonmemcpy(&tsizeb, &buffer[decode_pos], MVT_U8, 1);
+                                                tsize = tsizeb;
+                                                break;
+                                        case 2:
+                                                htonmemcpy(&tsizeh, &buffer[decode_pos], MVT_U16, 2);
+                                                tsize = tsizeh;
+                                                break;
+                                        case 4:
+                                                htonmemcpy(&tsizeb, &buffer[decode_pos], MVT_U32, 4);
+                                                break;
+                                        default:
+                                                llerrs << "Attempting to read variable field with unknown size of " << data_size << llendl;
+                                                break;
+                                                
+                                        }
+                                        decode_pos += data_size;
+
+                                        if ((decode_pos + (S32)tsize) > mReceiveSize)
+                                        {
+                                                logRanOffEndOfPacket( sender );
+                                                return FALSE;
+                                        }
+                                        cur_data_block->addData(mvci.getName(), &buffer[decode_pos], tsize, mvci.getType());
+                                        decode_pos += tsize;
+                                }
+                                else
+                                {
+                                        // fixed!
+                                        // so, copy data pointer and set data size to fixed size
+
+                                        if ((decode_pos + mvci.getSize()) > mReceiveSize)
+                                        {
+                                                logRanOffEndOfPacket( sender );
+                                                return FALSE;
+                                        }
+
+                                        cur_data_block->addData(mvci.getName(), &buffer[decode_pos], mvci.getSize(), mvci.getType());
+                                        decode_pos += mvci.getSize();
+                                }
+                        }
+                }
+        }
+
+        if (mCurrentRMessageData->mMemberBlocks.empty()
+                && !mCurrentRMessageTemplate->mMemberBlocks.empty())
+        {
+                lldebugs << "Empty message '" << mCurrentRMessageTemplate->mName << "' (no blocks)" << llendl;
+                return FALSE;
+        }
+
+        {
+                static LLTimer decode_timer;
+
+                if(LLMessageReader::getTimeDecodes() || gMessageSystem->getTimingCallback())
+                {
+                        decode_timer.reset();
+                }
+
+                //      if( mCurrentRMessageTemplate->mName == _PREHASH_AgentToNewRegion )
+                //      {
+                //              VTResume();  // VTune
+                //      }
+
+                {
+                        LLFastTimer t(LLFastTimer::FTM_PROCESS_MESSAGES);
+                        if( !mCurrentRMessageTemplate->callHandlerFunc(gMessageSystem) )
+                        {
+                                llwarns << "Message from " << sender << " with no handler function received: " << mCurrentRMessageTemplate->mName << llendl;
+                        }
+                }
+
+                //      if( mCurrentRMessageTemplate->mName == _PREHASH_AgentToNewRegion )
+                //      {
+                //              VTPause();      // VTune
+                //      }
+
+                if(LLMessageReader::getTimeDecodes() || gMessageSystem->getTimingCallback())
+                {
+                        F32 decode_time = decode_timer.getElapsedTimeF32();
+
+                        if (gMessageSystem->getTimingCallback())
+                        {
+                                (gMessageSystem->getTimingCallback())(mCurrentRMessageTemplate->mName,
+                                                                decode_time,
+                                                                gMessageSystem->getTimingCallbackData());
+                        }
+
+                        if (LLMessageReader::getTimeDecodes())
+                        {
+                                mCurrentRMessageTemplate->mDecodeTimeThisFrame += decode_time;
+
+                                mCurrentRMessageTemplate->mTotalDecoded++;
+                                mCurrentRMessageTemplate->mTotalDecodeTime += decode_time;
+
+                                if( mCurrentRMessageTemplate->mMaxDecodeTimePerMsg < decode_time )
+                                {
+                                        mCurrentRMessageTemplate->mMaxDecodeTimePerMsg = decode_time;
+                                }
+
+
+                                if(decode_time > LLMessageReader::getTimeDecodesSpamThreshold())
+                                {
+                                        lldebugs << "--------- Message " << mCurrentRMessageTemplate->mName << " decode took " << decode_time << " seconds. (" <<
+                                                mCurrentRMessageTemplate->mMaxDecodeTimePerMsg << " max, " <<
+                                                (mCurrentRMessageTemplate->mTotalDecodeTime / mCurrentRMessageTemplate->mTotalDecoded) << " avg)" << llendl;
+                                }
+                        }
+                }
+        }
+        return TRUE;
+}
+
+BOOL LLTemplateMessageReader::validateMessage(const U8* buffer, 
+                                                                                          S32 buffer_size, 
+                                                                                          const LLHost& sender)
+{
+        mReceiveSize = buffer_size;
+        BOOL result = decodeTemplate(buffer, buffer_size, &mCurrentRMessageTemplate );
+        if(result)
+        {
+                mCurrentRMessageTemplate->mReceiveCount++;
+                lldebugst(LLERR_MESSAGE) << "MessageRecvd:" 
+                                                                 << mCurrentRMessageTemplate->mName 
+                                                                 << " from " << sender << llendl;
+        }
+        return result;
+}
+
+BOOL LLTemplateMessageReader::readMessage(const U8* buffer, 
+                                                                                  const LLHost& sender)
+{
+        return decodeData(buffer, sender);
+}
+
+//virtual 
+const char* LLTemplateMessageReader::getMessageName() const
+{
+        static char empty_string[] = "";
+        return mCurrentRMessageTemplate ? mCurrentRMessageTemplate->mName : empty_string;
+}
+
+//virtual 
+bool LLTemplateMessageReader::isTrusted() const
+{
+        return mCurrentRMessageTemplate->getTrust() == MT_TRUST;
+}
+
+//virtual 
+bool LLTemplateMessageReader::isBanned(bool trustedSource) const
+{
+        return mCurrentRMessageTemplate->isBanned(trustedSource);
+}
+
+//virtual 
+void LLTemplateMessageReader::copyToBuilder(LLMessageBuilder& builder) const
+{
+        if(NULL == mCurrentRMessageTemplate)
+    {
+        return;
+    }
+        builder.copyFromMessageData(*mCurrentRMessageData);
+}
diff --git a/linden/indra/llmessage/lltemplatemessagereader.h b/linden/indra/llmessage/lltemplatemessagereader.h
new file mode 100644
index 0000000..dd5ee39
--- /dev/null
+++ b/linden/indra/llmessage/lltemplatemessagereader.h
@@ -0,0 +1,98 @@
+#ifndef LL_LLTEMPLATEMESSAGEREADER_H
+#define LL_LLTEMPLATEMESSAGEREADER_H
+
+#include "llmessagereader.h"
+
+#include <map>
+
+class LLMessageTemplate;
+class LLMsgData;
+
+class LLTemplateMessageReader : public LLMessageReader
+{
+public:
+
+        typedef std::map<U32, LLMessageTemplate*> message_template_number_map_t;
+
+        LLTemplateMessageReader(message_template_number_map_t&);
+        virtual ~LLTemplateMessageReader();
+
+        /** All get* methods expect pointers to canonical strings. */
+        virtual void getBinaryData(const char *blockname, const char *varname, 
+                                                           void *datap, S32 size, S32 blocknum = 0, 
+                                                           S32 max_size = S32_MAX);
+        virtual void getBOOL(const char *block, const char *var, BOOL &data, 
+                                                 S32 blocknum = 0);
+        virtual void getS8(const char *block, const char *var, S8 &data, 
+                                           S32 blocknum = 0);
+        virtual void getU8(const char *block, const char *var, U8 &data, 
+                                           S32 blocknum = 0);
+        virtual void getS16(const char *block, const char *var, S16 &data, 
+                                                S32 blocknum = 0);
+        virtual void getU16(const char *block, const char *var, U16 &data, 
+                                                S32 blocknum = 0);
+        virtual void getS32(const char *block, const char *var, S32 &data, 
+                                                S32 blocknum = 0);
+        virtual void getF32(const char *block, const char *var, F32 &data, 
+                                                S32 blocknum = 0);
+        virtual void getU32(const char *block, const char *var, U32 &data, 
+                                                S32 blocknum = 0);
+        virtual void getU64(const char *block, const char *var, U64 &data, 
+                                                S32 blocknum = 0);
+        virtual void getF64(const char *block, const char *var, F64 &data, 
+                                                S32 blocknum = 0);
+        virtual void getVector3(const char *block, const char *var, 
+                                                        LLVector3 &vec, S32 blocknum = 0);
+        virtual void getVector4(const char *block, const char *var, 
+                                                        LLVector4 &vec, S32 blocknum = 0);
+        virtual void getVector3d(const char *block, const char *var, 
+                                                         LLVector3d &vec, S32 blocknum = 0);
+        virtual void getQuat(const char *block, const char *var, LLQuaternion &q, 
+                                                 S32 blocknum = 0);
+        virtual void getUUID(const char *block, const char *var, LLUUID &uuid, 
+                                                 S32 blocknum = 0);
+        virtual void getIPAddr(const char *block, const char *var, U32 &ip, 
+                                                   S32 blocknum = 0);
+        virtual void getIPPort(const char *block, const char *var, U16 &port, 
+                                                   S32 blocknum = 0);
+        virtual void getString(const char *block, const char *var, 
+                                                   S32 buffer_size, char *buffer, S32 blocknum = 0);
+
+        virtual S32     getNumberOfBlocks(const char *blockname);
+        virtual S32     getSize(const char *blockname, const char *varname);
+        virtual S32     getSize(const char *blockname, S32 blocknum, 
+                                                const char *varname);
+
+        virtual void clearMessage();
+
+        virtual const char* getMessageName() const;
+        virtual S32 getMessageSize() const;
+
+        virtual void copyToBuilder(LLMessageBuilder&) const;
+
+        BOOL validateMessage(const U8* buffer, S32 buffer_size, 
+                                                 const LLHost& sender);
+        BOOL readMessage(const U8* buffer, const LLHost& sender);
+
+        bool isTrusted() const;
+        bool isBanned(bool trusted_source) const;
+
+private:
+
+        void getData(const char *blockname, const char *varname, void *datap, 
+                                 S32 size = 0, S32 blocknum = 0, S32 max_size = S32_MAX);
+
+        BOOL decodeTemplate(const U8* buffer, S32 buffer_size,  // inputs
+                                                LLMessageTemplate** msg_template ); // outputs
+
+        void logRanOffEndOfPacket( const LLHost& host );
+
+        BOOL decodeData(const U8* buffer, const LLHost& sender );
+
+        S32     mReceiveSize;
+        LLMessageTemplate* mCurrentRMessageTemplate;
+        LLMsgData* mCurrentRMessageData;
+        message_template_number_map_t& mMessageNumbers;
+};
+
+#endif // LL_LLTEMPLATEMESSAGEREADER_H
diff --git a/linden/indra/llmessage/llthrottle.cpp b/linden/indra/llmessage/llthrottle.cpp
index 87dc929..de80dd0 100644
--- a/linden/indra/llmessage/llthrottle.cpp
+++ b/linden/indra/llmessage/llthrottle.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llthrottle.h b/linden/indra/llmessage/llthrottle.h
index 8fc2725..a87834b 100644
--- a/linden/indra/llmessage/llthrottle.h
+++ b/linden/indra/llmessage/llthrottle.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/lltransfermanager.cpp b/linden/indra/llmessage/lltransfermanager.cpp
index 43afa78..12e1728 100644
--- a/linden/indra/llmessage/lltransfermanager.cpp
+++ b/linden/indra/llmessage/lltransfermanager.cpp
@@ -5,6 +5,7 @@
  *
  * Copyright (c) 2004-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/lltransfermanager.h b/linden/indra/llmessage/lltransfermanager.h
index 6d9d172..81a0221 100644
--- a/linden/indra/llmessage/lltransfermanager.h
+++ b/linden/indra/llmessage/lltransfermanager.h
@@ -5,6 +5,7 @@
  *
  * Copyright (c) 2006-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/lltransfersourceasset.cpp b/linden/indra/llmessage/lltransfersourceasset.cpp
index 0285896..31094c1 100644
--- a/linden/indra/llmessage/lltransfersourceasset.cpp
+++ b/linden/indra/llmessage/lltransfersourceasset.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2006-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/lltransfersourceasset.h b/linden/indra/llmessage/lltransfersourceasset.h
index 7859de7..7b1aa63 100644
--- a/linden/indra/llmessage/lltransfersourceasset.h
+++ b/linden/indra/llmessage/lltransfersourceasset.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2006-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/lltransfersourcefile.cpp b/linden/indra/llmessage/lltransfersourcefile.cpp
index a8625b0..392349e 100644
--- a/linden/indra/llmessage/lltransfersourcefile.cpp
+++ b/linden/indra/llmessage/lltransfersourcefile.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2006-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/lltransfersourcefile.h b/linden/indra/llmessage/lltransfersourcefile.h
index f615e86..21661b5 100644
--- a/linden/indra/llmessage/lltransfersourcefile.h
+++ b/linden/indra/llmessage/lltransfersourcefile.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2006-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/lltransfertargetfile.cpp b/linden/indra/llmessage/lltransfertargetfile.cpp
index bb039d7..00af3ff 100644
--- a/linden/indra/llmessage/lltransfertargetfile.cpp
+++ b/linden/indra/llmessage/lltransfertargetfile.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2006-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/lltransfertargetfile.h b/linden/indra/llmessage/lltransfertargetfile.h
index 9e249f9..50d617f 100644
--- a/linden/indra/llmessage/lltransfertargetfile.h
+++ b/linden/indra/llmessage/lltransfertargetfile.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2006-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/lltransfertargetvfile.cpp b/linden/indra/llmessage/lltransfertargetvfile.cpp
index 5a1acf3..79919b8 100644
--- a/linden/indra/llmessage/lltransfertargetvfile.cpp
+++ b/linden/indra/llmessage/lltransfertargetvfile.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2006-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/lltransfertargetvfile.h b/linden/indra/llmessage/lltransfertargetvfile.h
index 4c915dc..6ba8745 100644
--- a/linden/indra/llmessage/lltransfertargetvfile.h
+++ b/linden/indra/llmessage/lltransfertargetvfile.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2006-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llurlrequest.cpp b/linden/indra/llmessage/llurlrequest.cpp
index 8ac8d94..b3dfb52 100644
--- a/linden/indra/llmessage/llurlrequest.cpp
+++ b/linden/indra/llmessage/llurlrequest.cpp
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llurlrequest.h b/linden/indra/llmessage/llurlrequest.h
index 788b0e4..9088244 100644
--- a/linden/indra/llmessage/llurlrequest.h
+++ b/linden/indra/llmessage/llurlrequest.h
@@ -6,6 +6,7 @@
  *
  * Copyright (c) 2005-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/lluseroperation.cpp b/linden/indra/llmessage/lluseroperation.cpp
index c3ce63c..29146ea 100644
--- a/linden/indra/llmessage/lluseroperation.cpp
+++ b/linden/indra/llmessage/lluseroperation.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2002-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/lluseroperation.h b/linden/indra/llmessage/lluseroperation.h
index 18459f5..325567c 100644
--- a/linden/indra/llmessage/lluseroperation.h
+++ b/linden/indra/llmessage/lluseroperation.h
@@ -5,6 +5,7 @@
  *
  * Copyright (c) 2002-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llvehicleparams.h b/linden/indra/llmessage/llvehicleparams.h
index 7725406..946f88c 100644
--- a/linden/indra/llmessage/llvehicleparams.h
+++ b/linden/indra/llmessage/llvehicleparams.h
@@ -5,6 +5,7 @@
  *
  * Copyright (c) 2003-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llxfer.cpp b/linden/indra/llmessage/llxfer.cpp
index 507b820..e12996d 100644
--- a/linden/indra/llmessage/llxfer.cpp
+++ b/linden/indra/llmessage/llxfer.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llxfer.h b/linden/indra/llmessage/llxfer.h
index b070c87..51d7731 100644
--- a/linden/indra/llmessage/llxfer.h
+++ b/linden/indra/llmessage/llxfer.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llxfer_file.cpp b/linden/indra/llmessage/llxfer_file.cpp
index 2fec06b..297d163 100644
--- a/linden/indra/llmessage/llxfer_file.cpp
+++ b/linden/indra/llmessage/llxfer_file.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -133,7 +134,7 @@ S32 LLXfer_File::initializeRequest(U64 xfer_id,
         mRemoteHost = remote_host;
         mDeleteRemoteOnCompletion = delete_remote_on_completion;
 
-        snprintf(mTempFilename, sizeof(mTempFilename), "%s",gDirUtilp->getTempFilename().c_str());              /* Flawfinder : ignore */
+        snprintf(mTempFilename, sizeof(mTempFilename), "%s",gDirUtilp->getTempFilename().c_str());      /* Flawfinder: ignore */
 
         mCallback = callback;
         mCallbackDataHandle = user_data;
diff --git a/linden/indra/llmessage/llxfer_file.h b/linden/indra/llmessage/llxfer_file.h
index 2a92e00..6a9ee51 100644
--- a/linden/indra/llmessage/llxfer_file.h
+++ b/linden/indra/llmessage/llxfer_file.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llxfer_mem.cpp b/linden/indra/llmessage/llxfer_mem.cpp
index e9d7bf8..e9b4224 100644
--- a/linden/indra/llmessage/llxfer_mem.cpp
+++ b/linden/indra/llmessage/llxfer_mem.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llxfer_mem.h b/linden/indra/llmessage/llxfer_mem.h
index bda7893..b80807a 100644
--- a/linden/indra/llmessage/llxfer_mem.h
+++ b/linden/indra/llmessage/llxfer_mem.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llxfer_vfile.cpp b/linden/indra/llmessage/llxfer_vfile.cpp
index 3a2a4a2..0d0d5fe 100644
--- a/linden/indra/llmessage/llxfer_vfile.cpp
+++ b/linden/indra/llmessage/llxfer_vfile.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2002-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llxfer_vfile.h b/linden/indra/llmessage/llxfer_vfile.h
index 51b64db..e71a0e8 100644
--- a/linden/indra/llmessage/llxfer_vfile.h
+++ b/linden/indra/llmessage/llxfer_vfile.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2002-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llxfermanager.cpp b/linden/indra/llmessage/llxfermanager.cpp
index afeeef3..914488e 100644
--- a/linden/indra/llmessage/llxfermanager.cpp
+++ b/linden/indra/llmessage/llxfermanager.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llxfermanager.h b/linden/indra/llmessage/llxfermanager.h
index b6e3ee2..7b529ad 100644
--- a/linden/indra/llmessage/llxfermanager.h
+++ b/linden/indra/llmessage/llxfermanager.h
@@ -5,6 +5,7 @@
  *
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llxorcipher.cpp b/linden/indra/llmessage/llxorcipher.cpp
index 3c3f690..042fbd4 100644
--- a/linden/indra/llmessage/llxorcipher.cpp
+++ b/linden/indra/llmessage/llxorcipher.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2003-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/llxorcipher.h b/linden/indra/llmessage/llxorcipher.h
index fbb879e..16579a6 100644
--- a/linden/indra/llmessage/llxorcipher.h
+++ b/linden/indra/llmessage/llxorcipher.h
@@ -3,6 +3,7 @@
  *
  * Copyright (c) 2003-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/machine.h b/linden/indra/llmessage/machine.h
index 72caadc..490ddc5 100644
--- a/linden/indra/llmessage/machine.h
+++ b/linden/indra/llmessage/machine.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/mean_collision_data.h b/linden/indra/llmessage/mean_collision_data.h
index 2d60159..a319640 100644
--- a/linden/indra/llmessage/mean_collision_data.h
+++ b/linden/indra/llmessage/mean_collision_data.h
@@ -5,6 +5,7 @@
  *
  * Copyright (c) 2000-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/message.cpp b/linden/indra/llmessage/message.cpp
index 2e7cb6a..ef22b63 100644
--- a/linden/indra/llmessage/message.cpp
+++ b/linden/indra/llmessage/message.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -52,11 +53,23 @@
 
 // linden library headers
 #include "indra_constants.h"
+#include "lldarray.h"
 #include "lldir.h"
 #include "llerror.h"
+#include "llerrorlegacy.h"
 #include "llfasttimer.h"
+#include "llhttpclient.h"
+#include "llhttpsender.h"
 #include "llmd5.h"
+#include "llmessagebuilder.h"
+#include "llmessageconfig.h"
+#include "llpumpio.h"
+#include "lltemplatemessagebuilder.h"
+#include "lltemplatemessagereader.h"
+#include "llmessagetemplate.h"
 #include "llsd.h"
+#include "llsdmessagebuilder.h"
+#include "llsdmessagereader.h"
 #include "lltransfermanager.h"
 #include "lluuid.h"
 #include "llxfermanager.h"
@@ -73,406 +86,6 @@
 static const F32 CIRCUIT_DUMP_TIMEOUT = 30.f;
 static const S32 TRUST_TIME_WINDOW = 3;
 
-class LLMsgVarData
-{
-public:
-        LLMsgVarData() : mName(NULL), mSize(-1), mDataSize(-1), mData(NULL), mType(MVT_U8)
-        {
-        }
-
-        LLMsgVarData(const char *name, EMsgVariableType type) : mSize(-1), mDataSize(-1), mData(NULL), mType(type)
-        {
-                mName = (char *)name; 
-        }
-
-        ~LLMsgVarData() 
-        {
-                // copy constructor just copies the mData pointer, so only delete mData explicitly
-        }
-        
-        void deleteData() 
-        {
-                delete[] mData;
-                mData = NULL;
-        }
-        
-        void addData(const void *indata, S32 size, EMsgVariableType type, S32 data_size = -1);
-
-        char *getName() const   { return mName; }
-        S32 getSize() const             { return mSize; }
-        void *getData()                 { return (void*)mData; }
-        S32 getDataSize() const { return mDataSize; }
-        EMsgVariableType getType() const        { return mType; }
-
-protected:
-        char                            *mName;
-        S32                                     mSize;
-        S32                                     mDataSize;
-
-        U8                                      *mData;
-        EMsgVariableType        mType;
-};
-
-
-class LLMsgBlkData
-{
-public:
-        LLMsgBlkData(const char *name, S32 blocknum) : mOffset(-1), mBlockNumber(blocknum), mTotalSize(-1) 
-        { 
-                mName = (char *)name; 
-        }
-
-        ~LLMsgBlkData()
-        {
-                for (msg_var_data_map_t::iterator iter = mMemberVarData.begin();
-                         iter != mMemberVarData.end(); iter++)
-                {
-                        iter->deleteData();
-                }
-        }
-
-        void addVariable(const char *name, EMsgVariableType type)
-        {
-                LLMsgVarData tmp(name,type);
-                mMemberVarData[name] = tmp;
-        }
-
-        void addData(char *name, const void *data, S32 size, EMsgVariableType type, S32 data_size = -1)
-        {
-                LLMsgVarData* temp = &mMemberVarData[name]; // creates a new entry if one doesn't exist
-                temp->addData(data, size, type, data_size);
-        }
-
-        S32                                                                     mOffset;
-        S32                                                                     mBlockNumber;
-        typedef LLDynamicArrayIndexed<LLMsgVarData, const char *, 8> msg_var_data_map_t;
-        msg_var_data_map_t                                      mMemberVarData;
-        char                                                            *mName;
-        S32                                                                     mTotalSize;
-};
-
-
-class LLMsgData
-{
-public:
-        LLMsgData(const char *name) : mTotalSize(-1) 
-        { 
-                mName = (char *)name; 
-        }
-        ~LLMsgData()
-        {
-                for_each(mMemberBlocks.begin(), mMemberBlocks.end(), DeletePairedPointer());
-        }
-
-        void addBlock(LLMsgBlkData *blockp)
-        {
-                mMemberBlocks[blockp->mName] = blockp;
-        }
-
-        void addDataFast(char *blockname, char *varname, const void *data, S32 size, EMsgVariableType type, S32 data_size = -1);
-
-public:
-        S32                                                                     mOffset;
-        typedef std::map<char*, LLMsgBlkData*> msg_blk_data_map_t;
-        msg_blk_data_map_t                                      mMemberBlocks;
-        char                                                            *mName;
-        S32                                                                     mTotalSize;
-};
-
-inline void LLMsgVarData::addData(const void *data, S32 size, EMsgVariableType type, S32 data_size)
-{
-        mSize = size;
-        mDataSize = data_size;
-        if ( (type != MVT_VARIABLE) && (type != MVT_FIXED) 
-                 && (mType != MVT_VARIABLE) && (mType != MVT_FIXED))
-        {
-                if (mType != type)
-                {
-                        llwarns << "Type mismatch in addData for " << mName
-                                        << " message: " << gMessageSystem->getCurrentSMessageName()
-                                        << " block: " << gMessageSystem->getCurrentSBlockName()
-                                        << llendl;
-                }
-        }
-        if(size)
-        {
-                delete mData; // Delete it if it already exists
-                mData = new U8[size];
-                htonmemcpy(mData, data, mType, size);
-        }
-}
-
-
-
-inline void LLMsgData::addDataFast(char *blockname, char *varname, const void *data, S32 size, EMsgVariableType type, S32 data_size)
-{
-        // remember that if the blocknumber is > 0 then the number is appended to the name
-        char *namep = (char *)blockname;
-        LLMsgBlkData* block_data = mMemberBlocks[namep];
-        if (block_data->mBlockNumber)
-        {
-                namep += block_data->mBlockNumber;
-                block_data->addData(varname, data, size, type, data_size);
-        }
-        else
-        {
-                block_data->addData(varname, data, size, type, data_size);
-        }
-}
-
-// LLMessage* classes store the template of messages
-
-
-class LLMessageVariable
-{
-public:
-        LLMessageVariable() : mName(NULL), mType(MVT_NULL), mSize(-1)
-        {
-        }
-
-        LLMessageVariable(char *name) : mType(MVT_NULL), mSize(-1)
-        {
-                mName = name;
-        }
-
-        LLMessageVariable(char *name, const EMsgVariableType type, const S32 size) : mType(type), mSize(size) 
-        {
-                mName = gMessageStringTable.getString(name); 
-        }
-        
-        ~LLMessageVariable() {}
-
-        friend std::ostream&     operator<<(std::ostream& s, LLMessageVariable &msg);
-
-        EMsgVariableType getType() const                                { return mType; }
-        S32     getSize() const                                                         { return mSize; }
-        char *getName() const                                                   { return mName; }
-protected:
-        char                            *mName;
-        EMsgVariableType        mType;
-        S32                                     mSize;
-};
-
-
-typedef enum e_message_block_type
-{
-        MBT_NULL,
-        MBT_SINGLE,
-        MBT_MULTIPLE,
-        MBT_VARIABLE,
-        MBT_EOF
-} EMsgBlockType;
-
-class LLMessageBlock
-{
-public:
-        LLMessageBlock(char *name, EMsgBlockType type, S32 number = 1) : mType(type), mNumber(number), mTotalSize(0) 
-        { 
-                mName = gMessageStringTable.getString(name);
-        }
-
-        ~LLMessageBlock()
-        {
-                for_each(mMemberVariables.begin(), mMemberVariables.end(), DeletePairedPointer());
-        }
-
-        void addVariable(char *name, const EMsgVariableType type, const S32 size)
-        {
-                LLMessageVariable** varp = &mMemberVariables[name];
-                if (*varp != NULL)
-                {
-                        llerrs << name << " has already been used as a variable name!" << llendl;
-                }
-                *varp = new LLMessageVariable(name, type, size);
-                if (((*varp)->getType() != MVT_VARIABLE)
-                        &&(mTotalSize != -1))
-                {
-                        mTotalSize += (*varp)->getSize();
-                }
-                else
-                {
-                        mTotalSize = -1;
-                }
-        }
-
-        EMsgVariableType getVariableType(char *name)
-        {
-                return (mMemberVariables[name])->getType();
-        }
-
-        S32 getVariableSize(char *name)
-        {
-                return (mMemberVariables[name])->getSize();
-        }
-
-        friend std::ostream&     operator<<(std::ostream& s, LLMessageBlock &msg);
-
-        typedef std::map<const char *, LLMessageVariable*> message_variable_map_t;
-        message_variable_map_t                                  mMemberVariables;
-        char                                                                    *mName;
-        EMsgBlockType                                                   mType;
-        S32                                                                             mNumber;
-        S32                                                                             mTotalSize;
-};
-
-
-enum EMsgFrequency
-{
-        MFT_NULL        = 0,  // value is size of message number in bytes
-        MFT_HIGH        = 1,
-        MFT_MEDIUM      = 2,
-        MFT_LOW         = 4
-};
-
-typedef enum e_message_trust
-{
-        MT_TRUST,
-        MT_NOTRUST
-} EMsgTrust;
-
-enum EMsgEncoding
-{
-        ME_UNENCODED,
-        ME_ZEROCODED
-};
-
-class LLMessageTemplate
-{
-public:
-        LLMessageTemplate(const char *name, U32 message_number, EMsgFrequency freq)
-                : 
-                //mMemberBlocks(),
-                mName(NULL),
-                mFrequency(freq),
-                mTrust(MT_NOTRUST),
-                mEncoding(ME_ZEROCODED),
-                mMessageNumber(message_number), 
-                mTotalSize(0), 
-                mReceiveCount(0),
-                mReceiveBytes(0),
-                mReceiveInvalid(0),
-                mDecodeTimeThisFrame(0.f),
-                mTotalDecoded(0),
-                mTotalDecodeTime(0.f),
-                mMaxDecodeTimePerMsg(0.f),
-                mBanFromTrusted(false),
-                mBanFromUntrusted(false),
-                mHandlerFunc(NULL), 
-                mUserData(NULL)
-        { 
-                mName = gMessageStringTable.getString(name);
-        }
-
-        ~LLMessageTemplate()
-        {
-                for_each(mMemberBlocks.begin(), mMemberBlocks.end(), DeletePairedPointer());
-        }
-
-        void addBlock(LLMessageBlock *blockp)
-        {
-                LLMessageBlock** member_blockp = &mMemberBlocks[blockp->mName];
-                if (*member_blockp != NULL)
-                {
-                        llerrs << "Block " << blockp->mName
-                                << "has already been used as a block name!" << llendl;
-                }
-                *member_blockp = blockp;
-                if (  (mTotalSize != -1)
-                        &&(blockp->mTotalSize != -1)
-                        &&(  (blockp->mType == MBT_SINGLE)
-                           ||(blockp->mType == MBT_MULTIPLE)))
-                {
-                        mTotalSize += blockp->mNumber*blockp->mTotalSize;
-                }
-                else
-                {
-                        mTotalSize = -1;
-                }
-        }
-
-        LLMessageBlock *getBlock(char *name)
-        {
-                return mMemberBlocks[name];
-        }
-
-        // Trusted messages can only be recieved on trusted circuits.
-        void setTrust(EMsgTrust t)
-        {
-                mTrust = t;
-        }
-
-        EMsgTrust getTrust(void)
-        {
-                return mTrust;
-        }
-
-        // controls for how the message should be encoded
-        void setEncoding(EMsgEncoding e)
-        {
-                mEncoding = e;
-        }
-        EMsgEncoding getEncoding()
-        {
-                return mEncoding;
-        }
-
-        void setHandlerFunc(void (*handler_func)(LLMessageSystem *msgsystem, void **user_data), void **user_data)
-        {
-                mHandlerFunc = handler_func;
-                mUserData = user_data;
-        }
-
-        BOOL callHandlerFunc(LLMessageSystem *msgsystem)
-        {
-                if (mHandlerFunc)
-                {
-                        mHandlerFunc(msgsystem, mUserData);
-                        return TRUE;
-                }
-                return FALSE;
-        }
-
-        bool isBanned(bool trustedSource)
-        {
-                return trustedSource ? mBanFromTrusted : mBanFromUntrusted;
-        }
-
-        friend std::ostream&     operator<<(std::ostream& s, LLMessageTemplate &msg);
-
-public:
-        typedef std::map<char*, LLMessageBlock*> message_block_map_t;
-        message_block_map_t                                             mMemberBlocks;
-        char                                                                    *mName;
-        EMsgFrequency                                                   mFrequency;
-        EMsgTrust                                                               mTrust;
-        EMsgEncoding                                                    mEncoding;
-        U32                                                                             mMessageNumber;
-        S32                                                                             mTotalSize;
-        U32                                                                             mReceiveCount;          // how many of this template have been received since last reset
-        U32                                                                             mReceiveBytes;          // How many bytes received
-        U32                                                                             mReceiveInvalid;        // How many "invalid" packets
-        F32                                                                             mDecodeTimeThisFrame;   // Total seconds spent decoding this frame
-        U32                                                                             mTotalDecoded;          // Total messages successfully decoded
-        F32                                                                             mTotalDecodeTime;       // Total time successfully decoding messages
-        F32                                                                             mMaxDecodeTimePerMsg;
-
-        bool                                                                    mBanFromTrusted;
-        bool                                                                    mBanFromUntrusted;
-
-private:
-        // message handler function (this is set by each application)
-        void                                                                    (*mHandlerFunc)(LLMessageSystem *msgsystem, void **user_data);
-        void                                                                    **mUserData;
-};
-
-
-
-// static
-BOOL LLMessageSystem::mTimeDecodes = FALSE;
-
-// static, 50ms per message decode
-F32  LLMessageSystem::mTimeDecodesSpamThreshold = 0.05f;
-
 // *NOTE: This needs to be moved into a seperate file so that it never gets
 // included in the viewer.  30 Sep 2002 mark
 // *NOTE: I don't think it's important that the messgage system tracks
@@ -487,113 +100,6 @@ public:
         apr_pollfd_t mPollFD;
 };
 
-
-// LLMessageVariable functions and friends
-
-std::ostream& operator<<(std::ostream& s, LLMessageVariable &msg)
-{
-        s << "\t\t" << msg.mName << " (";
-        switch (msg.mType)
-        {
-        case MVT_FIXED:
-                s << "Fixed, " << msg.mSize << " bytes total)\n";
-                break;
-        case MVT_VARIABLE:
-                s << "Variable, " << msg.mSize << " bytes of size info)\n";
-                break;
-        default:
-                s << "Unknown\n";
-                break;
-        }
-        return s;
-}
-
-// LLMessageBlock functions and friends
-
-std::ostream& operator<<(std::ostream& s, LLMessageBlock &msg)
-{
-        s << "\t" << msg.mName << " (";
-        switch (msg.mType)
-        {
-        case MBT_SINGLE:
-                s << "Fixed";
-                break;
-        case MBT_MULTIPLE:
-                s << "Multiple - " << msg.mNumber << " copies";
-                break;
-        case MBT_VARIABLE:
-                s << "Variable";
-                break;
-        default:
-                s << "Unknown";
-                break;
-        }
-        if (msg.mTotalSize != -1)
-        {
-                s << ", " << msg.mTotalSize << " bytes each, " << msg.mNumber*msg.mTotalSize << " bytes total)\n";
-        }
-        else
-        {
-                s << ")\n";
-        }
-
-
-        for (LLMessageBlock::message_variable_map_t::iterator iter = msg.mMemberVariables.begin();
-                 iter != msg.mMemberVariables.end(); iter++)
-        {
-                LLMessageVariable& ci = *(iter->second);
-                s << ci;
-        }
-
-        return s;
-}
-
-// LLMessageTemplate functions and friends
-
-std::ostream& operator<<(std::ostream& s, LLMessageTemplate &msg)
-{
-        switch (msg.mFrequency)
-        {
-        case MFT_HIGH:
-                s << "========================================\n" << "Message #" << msg.mMessageNumber << "\n" << msg.mName << " (";
-                s << "High";
-                break;
-        case MFT_MEDIUM:
-                s << "========================================\n" << "Message #";
-                s << (msg.mMessageNumber & 0xFF) << "\n" << msg.mName << " (";
-                s << "Medium";
-                break;
-        case MFT_LOW:
-                s << "========================================\n" << "Message #";
-                s << (msg.mMessageNumber & 0xFFFF) << "\n" << msg.mName << " (";
-                s << "Low";
-                break;
-        default:
-                s << "Unknown";
-                break;
-        }
-
-        if (msg.mTotalSize != -1)
-        {
-                s << ", " << msg.mTotalSize << " bytes total)\n";
-        }
-        else
-        {
-                s << ")\n";
-        }
-        
-        for (LLMessageTemplate::message_block_map_t::iterator iter = msg.mMemberBlocks.begin();
-                 iter != msg.mMemberBlocks.end(); iter++)
-        {
-                LLMessageBlock* ci = iter->second;
-                s << *ci;
-        }
-
-        return s;
-}
-
-// LLMessageList functions and friends
-
 // Lets support a small subset of regular expressions here
 // Syntax is a string made up of:
 //      a       - checks against alphanumeric                           ([A-Za-z0-9])
@@ -795,6 +301,106 @@ BOOL	b_positive_integer_ok(char *token)
         return TRUE;
 }
 
+namespace
+{
+        class LLFnPtrResponder : public LLHTTPClient::Responder
+        {
+        public:
+                LLFnPtrResponder(void (*callback)(void **,S32), void **callbackData) :
+                        mCallback(callback),
+                        mCallbackData(callbackData)
+                {
+                }
+
+                virtual void error(U32 status, const std::string& reason)
+                {
+                        // TODO: Map status in to useful error code.
+                        if(NULL != mCallback) mCallback(mCallbackData, LL_ERR_TCP_TIMEOUT);
+                }
+                
+                virtual void result(const LLSD& content)
+                {
+                        if(NULL != mCallback) mCallback(mCallbackData, LL_ERR_NOERR);
+                }
+
+        private:
+
+                void (*mCallback)(void **,S32);    
+                void **mCallbackData;
+        };
+}
+
+
+class LLTrustedMessageService : public LLHTTPNode
+{
+        virtual bool validate(const std::string& name, LLSD& context) const
+                { return true; }
+
+        virtual void post(LLHTTPNode::ResponsePtr response,
+                                          const LLSD& context,
+                                          const LLSD& input) const;
+};
+
+//virtual
+void LLTrustedMessageService::post(LLHTTPNode::ResponsePtr response,
+                                                                   const LLSD& context,
+                                                                   const LLSD& input) const
+{
+        std::string name = context["request"]["wildcard"]["message-name"];
+        std::string senderIP = context["request"]["remote-host"];
+        std::string senderPort = context["request"]["headers"]
+                ["x-secondlife-udp-listen-port"];
+
+        LLSD message_data;
+        message_data["sender"] = senderIP + ":" + senderPort;
+        message_data["body"] = input;
+        
+        LLMessageSystem::dispatch(name, message_data, response);
+}
+
+class LLMessageHandlerBridge : public LLHTTPNode
+{
+        virtual bool validate(const std::string& name, LLSD& context) const
+                { return true; }
+
+        virtual void post(LLHTTPNode::ResponsePtr response, const LLSD& context, 
+                                          const LLSD& input) const;
+};
+
+//virtual 
+void LLMessageHandlerBridge::post(LLHTTPNode::ResponsePtr response, 
+                                                        const LLSD& context, const LLSD& input) const
+{
+        std::string name = context["request"]["wildcard"]["message-name"];
+
+        lldebugs << "Setting mLastSender " << input["sender"].asString() << llendl;
+        gMessageSystem->mLastSender = LLHost(input["sender"].asString());
+        gMessageSystem->mPacketsIn += 1;
+        gMessageSystem->mLLSDMessageReader->setMessage(name, input["body"]);
+        gMessageSystem->mMessageReader = gMessageSystem->mLLSDMessageReader;
+        
+        if(gMessageSystem->callHandler(name.c_str(), false, gMessageSystem))
+        {
+                response->result(LLSD());
+        }
+        else
+        {
+                response->notFound();
+        }
+}
+
+LLHTTPRegistration<LLMessageHandlerBridge>
+        gHTTPRegistrationMessageWildcard("/message/<message-name>");
+
+LLHTTPRegistration<LLTrustedMessageService>
+        gHTTPRegistrationTrustedMessageWildcard("/trusted-message/<message-name>");
+
+//virtual
+LLUseCircuitCodeResponder::~LLUseCircuitCodeResponder()
+{
+        // even abstract base classes need a concrete destructor
+}
+
 void LLMessageSystem::init()
 {
         // initialize member variables
@@ -802,25 +408,12 @@ void LLMessageSystem::init()
 
         mbError = FALSE;
         mErrorCode = 0;
-        mIncomingCompressedSize = 0;
         mSendReliable = FALSE;
 
-        mbSBuilt = FALSE;
-        mbSClear = TRUE;
-
         mUnackedListDepth = 0;
         mUnackedListSize = 0;
         mDSMaxListDepth = 0;
 
-        mCurrentRMessageData = NULL;
-        mCurrentRMessageTemplate = NULL;
-
-        mCurrentSMessageData = NULL;
-        mCurrentSMessageTemplate = NULL;
-        mCurrentSMessageName = NULL;
-
-        mCurrentRecvPacketID = 0;
-
         mNumberHighFreqMessages = 0;
         mNumberMediumFreqMessages = 0;
         mNumberLowFreqMessages = 0;
@@ -844,54 +437,26 @@ void LLMessageSystem::init()
 
         mOurCircuitCode = 0;
 
+        mIncomingCompressedSize = 0;
+        mCurrentRecvPacketID = 0;
+
         mMessageFileChecksum = 0;
         mMessageFileVersionNumber = 0.f;
-}
-
-LLMessageSystem::LLMessageSystem()
-{
-        init();
 
-        mSystemVersionMajor = 0;
-        mSystemVersionMinor = 0;
-        mSystemVersionPatch = 0;
-        mSystemVersionServer = 0;
-        mVersionFlags = 0x0;
-
-        // default to not accepting packets from not alive circuits
-        mbProtected = TRUE;
+        mTimingCallback = NULL;
+        mTimingCallbackData = NULL;
 
-        mSendPacketFailureCount = 0;
-        mCircuitPrintFreq = 0.f;                // seconds
-
-        // initialize various bits of net info
-        mSocket = 0;
-        mPort = 0;
-
-        mPollInfop = NULL;
-
-        mResendDumpTime = 0;
-        mMessageCountTime = 0;
-        mCircuitPrintTime = 0;
-        mCurrentMessageTimeSeconds = 0;
-
-        // Constants for dumping output based on message processing time/count
-        mNumMessageCounts = 0;
-        mMaxMessageCounts = 0; // >= 0 means dump warnings
-        mMaxMessageTime   = 0.f;
-
-        mTrueReceiveSize = 0;
-
-        // Error if checking this state, subclass methods which aren't implemented are delegated
-        // to properly constructed message system.
-        mbError = TRUE;
+        mMessageBuilder = NULL;
+        mMessageReader = NULL;
 }
 
 // Read file and build message templates
 LLMessageSystem::LLMessageSystem(const char *filename, U32 port, 
                                                                  S32 version_major,
                                                                  S32 version_minor,
-                                                                 S32 version_patch)
+                                                                 S32 version_patch) :
+        mTemplateConfirmed(FALSE),
+        mTemplateMatches(FALSE)
 {
         init();
 
@@ -910,6 +475,14 @@ LLMessageSystem::LLMessageSystem(const char *filename, U32 port,
 
         loadTemplateFile(filename);
 
+        mTemplateMessageBuilder = new LLTemplateMessageBuilder(mMessageTemplates);
+        mLLSDMessageBuilder = new LLSDMessageBuilder();
+        mMessageBuilder = NULL;
+
+        mTemplateMessageReader = new LLTemplateMessageReader(mMessageNumbers);
+        mLLSDMessageReader = new LLSDMessageReader();
+        mMessageReader = NULL;
+
         // initialize various bits of net info
         mSocket = 0;
         mPort = port;
@@ -1728,25 +1301,25 @@ LLMessageSystem::~LLMessageSystem()
                 end_net();
         }
         
-        delete mCurrentRMessageData;
-        mCurrentRMessageData = NULL;
+        delete mMessageReader;
+        mMessageReader = NULL;
 
-        delete mCurrentSMessageData;
-        mCurrentSMessageData = NULL;
+        delete mMessageBuilder;
+        mMessageBuilder = NULL;
 
         delete mPollInfop;
         mPollInfop = NULL;
+
+        mIncomingCompressedSize = 0;
+        mCurrentRecvPacketID = 0;
 }
 
 void LLMessageSystem::clearReceiveState()
 {
-        mReceiveSize = -1;
         mCurrentRecvPacketID = 0;
-        mCurrentRMessageTemplate = NULL;
-        delete mCurrentRMessageData;
-        mCurrentRMessageData = NULL;
         mIncomingCompressedSize = 0;
         mLastSender.invalidate();
+        mMessageReader->clearMessage();
 }
 
 
@@ -1773,20 +1346,23 @@ BOOL LLMessageSystem::poll(F32 seconds)
 // Returns TRUE if a valid, on-circuit message has been received.
 BOOL LLMessageSystem::checkMessages( S64 frame_count )
 {
+        // Pump 
         BOOL    valid_packet = FALSE;
+        mMessageReader = mTemplateMessageReader;
 
         LLTransferTargetVFile::updateQueue();
         
         if (!mNumMessageCounts)
         {
-                // This is the first message being handled after a resetReceiveCounts, we must be starting
-                // the message processing loop.  Reset the timers.
+                // This is the first message being handled after a resetReceiveCounts,
+                // we must be starting the message processing loop.  Reset the timers.
                 mCurrentMessageTimeSeconds = totalTime() * SEC_PER_USEC;
                 mMessageCountTime = getMessageTimeSeconds();
         }
 
         // loop until either no packets or a valid packet
         // i.e., burn through packets from unregistered circuits
+        S32 receive_size = 0;
         do
         {
                 clearReceiveState();
@@ -1802,16 +1378,16 @@ BOOL LLMessageSystem::checkMessages( S64 frame_count )
                 // If you want to dump all received packets into SecondLife.log, uncomment this
                 //dumpPacketToLog();
                 
-                mReceiveSize = mTrueReceiveSize;
+                receive_size = mTrueReceiveSize;
                 mLastSender = mPacketRing.getLastSender();
                 
-                if (mReceiveSize < (S32) LL_MINIMUM_VALID_PACKET_SIZE)
+                if (receive_size < (S32) LL_MINIMUM_VALID_PACKET_SIZE)
                 {
                         // A receive size of zero is OK, that means that there are no more packets available.
                         // Ones that are non-zero but below the minimum packet size are worrisome.
-                        if (mReceiveSize > 0)
+                        if (receive_size > 0)
                         {
-                                llwarns << "Invalid (too short) packet discarded " << mReceiveSize << llendl;
+                                llwarns << "Invalid (too short) packet discarded " << receive_size << llendl;
                                 callExceptionFunc(MX_PACKET_TOO_SHORT);
                         }
                         // no data in packet receive buffer
@@ -1825,18 +1401,18 @@ BOOL LLMessageSystem::checkMessages( S64 frame_count )
                         // note if packet acks are appended.
                         if(buffer[0] & LL_ACK_FLAG)
                         {
-                                acks += buffer[--mReceiveSize];
-                                true_rcv_size = mReceiveSize;
-                                if(mReceiveSize >= ((S32)(acks * sizeof(TPACKETID) + LL_MINIMUM_VALID_PACKET_SIZE)))
+                                acks += buffer[--receive_size];
+                                true_rcv_size = receive_size;
+                                if(receive_size >= ((S32)(acks * sizeof(TPACKETID) + LL_MINIMUM_VALID_PACKET_SIZE)))
                                 {
-                                        mReceiveSize -= acks * sizeof(TPACKETID);
+                                        receive_size -= acks * sizeof(TPACKETID);
                                 }
                                 else
                                 {
                                         // mal-formed packet. ignore it and continue with
                                         // the next one
                                         llwarns << "Malformed packet received. Packet size "
-                                                << mReceiveSize << " with invalid no. of acks " << acks
+                                                << receive_size << " with invalid no. of acks " << acks
                                                 << llendl;
                                         valid_packet = FALSE;
                                         continue;
@@ -1845,7 +1421,7 @@ BOOL LLMessageSystem::checkMessages( S64 frame_count )
 
                         // process the message as normal
 
-                        mIncomingCompressedSize = zeroCodeExpand(&buffer,&mReceiveSize);
+                        mIncomingCompressedSize = zeroCodeExpand(&buffer,&receive_size);
                         mCurrentRecvPacketID = buffer[1] + ((buffer[0] & 0x0f ) * 256);
                         if (sizeof(TPACKETID) == 4)
                         {
@@ -1969,7 +1545,7 @@ BOOL LLMessageSystem::checkMessages( S64 frame_count )
                                                 std::ostringstream str;
                                                 str << "MSG: <- " << host;
                                                 char buffer[MAX_STRING]; /* Flawfinder: ignore*/
-                                                snprintf(buffer, MAX_STRING, "\t%6d\t%6d\t%6d ", mReceiveSize, (mIncomingCompressedSize ? mIncomingCompressedSize : mReceiveSize), mCurrentRecvPacketID);/* Flawfinder: ignore*/
+                                                snprintf(buffer, MAX_STRING, "\t%6d\t%6d\t%6d ", receive_size, (mIncomingCompressedSize ? mIncomingCompressedSize : receive_size), mCurrentRecvPacketID);       /* Flawfinder: ignore */
                                                 str << buffer << "(unknown)"
                                                         << (recv_reliable ? " reliable" : "")
                                                         << " resent "
@@ -1987,23 +1563,22 @@ BOOL LLMessageSystem::checkMessages( S64 frame_count )
                         // But we don't want to acknowledge UseCircuitCode until the circuit is
                         // available, which is why the acknowledgement test is done above.  JC
 
-                        valid_packet = decodeTemplate( buffer, mReceiveSize, &mCurrentRMessageTemplate );
-                        if( valid_packet )
-                        {
-                                mCurrentRMessageTemplate->mReceiveCount++;
-                                lldebugst(LLERR_MESSAGE) << "MessageRecvd:" << mCurrentRMessageTemplate->mName << " from " << host << llendl;
-                        }
+                        valid_packet = mTemplateMessageReader->validateMessage(buffer, 
+                                                                                                                   receive_size,
+                                                                                                                   host);
 
                         // UseCircuitCode is allowed in even from an invalid circuit, so that
                         // we can toss circuits around.
-                        if (valid_packet && !cdp && (mCurrentRMessageTemplate->mName != _PREHASH_UseCircuitCode) )
+                        if(valid_packet && !cdp && 
+                           (mTemplateMessageReader->getMessageName() != _PREHASH_UseCircuitCode))
                         {
                                 logMsgFromInvalidCircuit( host, recv_reliable );
                                 clearReceiveState();
                                 valid_packet = FALSE;
                         }
 
-                        if (valid_packet && cdp && !cdp->getTrusted() && (mCurrentRMessageTemplate->getTrust() == MT_TRUST) )
+                        if(valid_packet && cdp && !cdp->getTrusted() && 
+                                mTemplateMessageReader->isTrusted())
                         {
                                 logTrustedMsgFromUntrustedCircuit( host );
                                 clearReceiveState();
@@ -2013,11 +1588,11 @@ BOOL LLMessageSystem::checkMessages( S64 frame_count )
                         }
 
                         if (valid_packet
-                        && mCurrentRMessageTemplate->isBanned(cdp && cdp->getTrusted()))
+                        && mTemplateMessageReader->isBanned(cdp && cdp->getTrusted()))
                         {
                                 llwarns << "LLMessageSystem::checkMessages "
                                         << "received banned message "
-                                        << mCurrentRMessageTemplate->mName
+                                        << mTemplateMessageReader->getMessageName()
                                         << " from "
                                         << ((cdp && cdp->getTrusted()) ? "trusted " : "untrusted ")
                                         << host << llendl;
@@ -2029,7 +1604,7 @@ BOOL LLMessageSystem::checkMessages( S64 frame_count )
                         {
                                 logValidMsg(cdp, host, recv_reliable, recv_resent, (BOOL)(acks>0) );
 
-                                valid_packet = decodeData( buffer, host );
+                                valid_packet = mTemplateMessageReader->readMessage(buffer, host);
                         }
 
                         // It's possible that the circuit went away, because ANY message can disable the circuit
@@ -2042,7 +1617,7 @@ BOOL LLMessageSystem::checkMessages( S64 frame_count )
                                 if( 1 )
                                 {
                                         static char* object_update = gMessageStringTable.getString("ObjectUpdate");
-                                        if(object_update == mCurrentRMessageTemplate->mName )
+                                        if(object_update == mTemplateMessageReader->getMessageName() )
                                         {
                                                 llinfos << "ObjectUpdate:" << llendl;
                                                 U32 i;
@@ -2053,8 +1628,8 @@ BOOL LLMessageSystem::checkMessages( S64 frame_count )
                                                 }
                                                 llinfos << "" << llendl;
 
-                                                llinfos << "    Zero Unencoded: " << mReceiveSize << llendl;
-                                                for( i = 0; i<mReceiveSize; i++ )
+                                                llinfos << "    Zero Unencoded: " << receive_size << llendl;
+                                                for( i = 0; i<receive_size; i++ )
                                                 {
                                                         llinfos << "     " << i << ": " << (U32) buffer[i] << llendl;
                                                 }
@@ -2143,7 +1718,7 @@ BOOL LLMessageSystem::checkMessages( S64 frame_count )
                                 if (mbProtected  && (!cdp))
                                 {
                                         llwarns << "Packet "
-                                                        << (mCurrentRMessageTemplate ? mCurrentRMessageTemplate->mName : "")
+                                                        << mTemplateMessageReader->getMessageName()
                                                         << " from invalid circuit " << host << llendl;
                                         mOffCircuitPackets++;
                                 }
@@ -2156,7 +1731,7 @@ BOOL LLMessageSystem::checkMessages( S64 frame_count )
                         // Code for dumping the complete contents of a message 
                         // delete [] zero_unexpanded_buffer;
                 }
-        } while (!valid_packet && mReceiveSize > 0);
+        } while (!valid_packet && receive_size > 0);
 
         F64 mt_sec = getMessageTimeSeconds();
         // Check to see if we need to print debug info
@@ -2257,600 +1832,56 @@ void LLMessageSystem::processAcks()
         }
 }
 
-
-void LLMessageSystem::newMessageFast(const char *name)
-{
-        mbSBuilt = FALSE;
-        mbSClear = FALSE;
-
-        mCurrentSendTotal = 0;
-        mSendReliable = FALSE;
-
-        char *namep = (char *)name; 
-
-        if (mMessageTemplates.count(namep) > 0)
-        {
-                mCurrentSMessageTemplate = mMessageTemplates[namep];
-                if (mCurrentSMessageData)
-                {
-                        delete mCurrentSMessageData;
-                }
-                mCurrentSMessageData = new LLMsgData(namep);
-                mCurrentSMessageName = namep;
-                mCurrentSDataBlock = NULL;
-                mCurrentSBlockName = NULL;
-
-                // add at one of each block
-                LLMessageTemplate* msg_template = mMessageTemplates[namep];
-                for (LLMessageTemplate::message_block_map_t::iterator iter = msg_template->mMemberBlocks.begin();
-                         iter != msg_template->mMemberBlocks.end(); iter++)
-                {
-                        LLMessageBlock* ci = iter->second;
-                        LLMsgBlkData    *tblockp;
-                        tblockp = new LLMsgBlkData(ci->mName, 0);
-                        mCurrentSMessageData->addBlock(tblockp);
-                }
-        }
-        else
-        {
-                llerrs << "newMessage - Message " << name << " not registered" << llendl;
-        }
-}
-
 void LLMessageSystem::copyMessageRtoS()
 {
-        if (!mCurrentRMessageTemplate)
+        // NOTE: babbage: switch builder to match reader to avoid
+        // converting message format
+        if(mMessageReader == mTemplateMessageReader)
         {
-                return;
+                mMessageBuilder = mTemplateMessageBuilder;
         }
-        newMessageFast(mCurrentRMessageTemplate->mName);
-
-        // copy the blocks
-        // counting variables used to encode multiple block info
-        S32 block_count = 0;
-    char *block_name = NULL;
-
-        // loop through msg blocks to loop through variables, totalling up size data and filling the new (send) message
-        LLMsgData::msg_blk_data_map_t::iterator iter = mCurrentRMessageData->mMemberBlocks.begin();
-        LLMsgData::msg_blk_data_map_t::iterator end = mCurrentRMessageData->mMemberBlocks.end();
-        for(; iter != end; ++iter)
+        else
         {
-                LLMsgBlkData* mbci = iter->second;
-                if(!mbci) continue;
-
-                // do we need to encode a block code?
-                if (block_count == 0)
-                {
-                        block_count = mbci->mBlockNumber;
-                        block_name = (char *)mbci->mName;
-                }
-
-                // counting down mutliple blocks
-                block_count--;
-
-                nextBlockFast(block_name);
-
-                // now loop through the variables
-                LLMsgBlkData::msg_var_data_map_t::iterator dit = mbci->mMemberVarData.begin();
-                LLMsgBlkData::msg_var_data_map_t::iterator dend = mbci->mMemberVarData.end();
-                
-                for(; dit != dend; ++dit)
-                {
-                        LLMsgVarData& mvci = *dit;
-                        addDataFast(mvci.getName(), mvci.getData(), mvci.getType(), mvci.getSize());
-                }
+                mMessageBuilder = mLLSDMessageBuilder;
         }
+        mSendReliable = FALSE;
+        mMessageBuilder->newMessage(mMessageReader->getMessageName());
+        mMessageReader->copyToBuilder(*mMessageBuilder);
 }
 
 void LLMessageSystem::clearMessage()
 {
-        mbSBuilt = FALSE;
-        mbSClear = TRUE;
-
-        mCurrentSendTotal = 0;
         mSendReliable = FALSE;
-
-        mCurrentSMessageTemplate = NULL;
-
-        delete mCurrentSMessageData;
-        mCurrentSMessageData = NULL;
-
-        mCurrentSMessageName = NULL;
-        mCurrentSDataBlock = NULL;
-        mCurrentSBlockName = NULL;
+        mMessageBuilder->clearMessage();
 }
 
-
 // set block to add data to within current message
 void LLMessageSystem::nextBlockFast(const char *blockname)
 {
-        char *bnamep = (char *)blockname; 
-
-        if (!mCurrentSMessageTemplate)
-        {
-                llerrs << "newMessage not called prior to setBlock" << llendl;
-                return;
-        }
-
-        // now, does this block exist?
-        LLMessageTemplate::message_block_map_t::iterator temp_iter = mCurrentSMessageTemplate->mMemberBlocks.find(bnamep);
-        if (temp_iter == mCurrentSMessageTemplate->mMemberBlocks.end())
-        {
-                llerrs << "LLMessageSystem::nextBlockFast " << bnamep
-                        << " not a block in " << mCurrentSMessageTemplate->mName << llendl;
-                return;
-        }
-        
-        LLMessageBlock* template_data = temp_iter->second;
-        
-        // ok, have we already set this block?
-        LLMsgBlkData* block_data = mCurrentSMessageData->mMemberBlocks[bnamep];
-        if (block_data->mBlockNumber == 0)
-        {
-                // nope! set this as the current block
-                block_data->mBlockNumber = 1;
-                mCurrentSDataBlock = block_data;
-                mCurrentSBlockName = bnamep;
-
-                // add placeholders for each of the variables
-                for (LLMessageBlock::message_variable_map_t::iterator iter = template_data->mMemberVariables.begin();
-                         iter != template_data->mMemberVariables.end(); iter++)
-                {
-                        LLMessageVariable& ci = *(iter->second);
-                        mCurrentSDataBlock->addVariable(ci.getName(), ci.getType());
-                }
-                return;
-        }
-        else
-        {
-                // already have this block. . . 
-                // are we supposed to have a new one?
-
-                // if the block is type MBT_SINGLE this is bad!
-                if (template_data->mType == MBT_SINGLE)
-                {
-                        llerrs << "LLMessageSystem::nextBlockFast called multiple times"
-                                << " for " << bnamep << " but is type MBT_SINGLE" << llendl;
-                        return;
-                }
-
-
-                // if the block is type MBT_MULTIPLE then we need a known number, make sure that we're not exceeding it
-                if (  (template_data->mType == MBT_MULTIPLE)
-                        &&(mCurrentSDataBlock->mBlockNumber == template_data->mNumber))
-                {
-                        llerrs << "LLMessageSystem::nextBlockFast called "
-                                << mCurrentSDataBlock->mBlockNumber << " times for " << bnamep
-                                << " exceeding " << template_data->mNumber
-                                << " specified in type MBT_MULTIPLE." << llendl;
-                        return;
-                }
-
-                // ok, we can make a new one
-                // modify the name to avoid name collision by adding number to end
-                S32  count = block_data->mBlockNumber;
-
-                // incrememt base name's count
-                block_data->mBlockNumber++;
-
-                if (block_data->mBlockNumber > MAX_BLOCKS)
-                {
-                        llerrs << "Trying to pack too many blocks into MBT_VARIABLE type (limited to " << MAX_BLOCKS << ")" << llendl;
-                }
-
-                // create new name
-                // Nota Bene: if things are working correctly, mCurrentMessageData->mMemberBlocks[blockname]->mBlockNumber == mCurrentDataBlock->mBlockNumber + 1
-
-                char *nbnamep = bnamep + count;
-        
-                mCurrentSDataBlock = new LLMsgBlkData(bnamep, count);
-                mCurrentSDataBlock->mName = nbnamep;
-                mCurrentSMessageData->mMemberBlocks[nbnamep] = mCurrentSDataBlock;
-
-                // add placeholders for each of the variables
-                for (LLMessageBlock::message_variable_map_t::iterator
-                                 iter = template_data->mMemberVariables.begin(),
-                                 end = template_data->mMemberVariables.end();
-                         iter != end; iter++)
-                {
-                        LLMessageVariable& ci = *(iter->second);
-                        mCurrentSDataBlock->addVariable(ci.getName(), ci.getType());
-                }
-                return;
-        }
-}
-
-// add data to variable in current block
-void LLMessageSystem::addDataFast(const char *varname, const void *data, EMsgVariableType type, S32 size)
-{
-        char *vnamep = (char *)varname; 
-
-        // do we have a current message?
-        if (!mCurrentSMessageTemplate)
-        {
-                llerrs << "newMessage not called prior to addData" << llendl;
-                return;
-        }
-
-        // do we have a current block?
-        if (!mCurrentSDataBlock)
-        {
-                llerrs << "setBlock not called prior to addData" << llendl;
-                return;
-        }
-
-        // kewl, add the data if it exists
-        LLMessageVariable* var_data = mCurrentSMessageTemplate->mMemberBlocks[mCurrentSBlockName]->mMemberVariables[vnamep];
-        if (!var_data || !var_data->getName())
-        {
-                llerrs << vnamep << " not a variable in block " << mCurrentSBlockName << " of " << mCurrentSMessageTemplate->mName << llendl;
-                return;
-        }
-
-        // ok, it seems ok. . . are we the correct size?
-        if (var_data->getType() == MVT_VARIABLE)
-        {
-                // Variable 1 can only store 255 bytes, make sure our data is smaller
-                if ((var_data->getSize() == 1) &&
-                        (size > 255))
-                {
-                        llwarns << "Field " << varname << " is a Variable 1 but program "
-                               << "attempted to stuff more than 255 bytes in "
-                               << "(" << size << ").  Clamping size and truncating data." << llendl;
-                        size = 255;
-                        char *truncate = (char *)data;
-                        truncate[255] = 0;
-                }
-
-                // no correct size for MVT_VARIABLE, instead we need to tell how many bytes the size will be encoded as
-                mCurrentSDataBlock->addData(vnamep, data, size, type, var_data->getSize());
-                mCurrentSendTotal += size;
-        }
-        else
-        {
-                if (size != var_data->getSize())
-                {
-                        llerrs << varname << " is type MVT_FIXED but request size " << size << " doesn't match template size "
-                                   << var_data->getSize() << llendl;
-                        return;
-                }
-                // alright, smash it in
-                mCurrentSDataBlock->addData(vnamep, data, size, type);
-                mCurrentSendTotal += size;
-        }
-}
-
-// add data to variable in current block - fails if variable isn't MVT_FIXED
-void LLMessageSystem::addDataFast(const char *varname, const void *data, EMsgVariableType type)
-{
-        char *vnamep = (char *)varname; 
-
-        // do we have a current message?
-        if (!mCurrentSMessageTemplate)
-        {
-                llerrs << "newMessage not called prior to addData" << llendl;
-                return;
-        }
-
-        // do we have a current block?
-        if (!mCurrentSDataBlock)
-        {
-                llerrs << "setBlock not called prior to addData" << llendl;
-                return;
-        }
-
-        // kewl, add the data if it exists
-        LLMessageVariable* var_data = mCurrentSMessageTemplate->mMemberBlocks[mCurrentSBlockName]->mMemberVariables[vnamep];
-        if (!var_data->getName())
-        {
-                llerrs << vnamep << " not a variable in block " << mCurrentSBlockName << " of " << mCurrentSMessageTemplate->mName << llendl;
-                return;
-        }
-
-        // ok, it seems ok. . . are we MVT_VARIABLE?
-        if (var_data->getType() == MVT_VARIABLE)
-        {
-                // nope
-                llerrs << vnamep << " is type MVT_VARIABLE. Call using addData(name, data, size)" << llendl;
-                return;
-        }
-        else
-        {
-                mCurrentSDataBlock->addData(vnamep, data, var_data->getSize(), type);
-                mCurrentSendTotal += var_data->getSize();
-        }
+        mMessageBuilder->nextBlock(blockname);
 }
 
 BOOL LLMessageSystem::isSendFull(const char* blockname)
 {
-        if(!blockname)
+        char* stringTableName = NULL;
+        if(NULL != blockname)
         {
-                return (mCurrentSendTotal > MTUBYTES);
+                stringTableName = gMessageStringTable.getString(blockname);
         }
-        return isSendFullFast(gMessageStringTable.getString(blockname));
+        return isSendFullFast(stringTableName);
 }
 
 BOOL LLMessageSystem::isSendFullFast(const char* blockname)
 {
-        if(mCurrentSendTotal > MTUBYTES)
-        {
-                return TRUE;
-        }
-        if(!blockname)
-        {
-                return FALSE;
-        }
-        char* bnamep = (char*)blockname;
-        S32 max;
-
-        LLMessageBlock* template_data = mCurrentSMessageTemplate->mMemberBlocks[bnamep];
-        
-        switch(template_data->mType)
-        {
-        case MBT_SINGLE:
-                max = 1;
-                break;
-        case MBT_MULTIPLE:
-                max = template_data->mNumber;
-                break;
-        case MBT_VARIABLE:
-        default:
-                max = MAX_BLOCKS;
-                break;
-        }
-        if(mCurrentSMessageData->mMemberBlocks[bnamep]->mBlockNumber >= max)
-        {
-                return TRUE;
-        }
-        return FALSE;
+        return mMessageBuilder->isMessageFull(blockname);
 }
 
 
 // blow away the last block of a message, return FALSE if that leaves no blocks or there wasn't a block to remove
-BOOL  LLMessageSystem::removeLastBlock()
+// TODO: Babbage: Remove this horror.
+BOOL LLMessageSystem::removeLastBlock()
 {
-        if (mCurrentSBlockName)
-        {
-                if (  (mCurrentSMessageData)
-                        &&(mCurrentSMessageTemplate))
-                {
-                        if (mCurrentSMessageData->mMemberBlocks[mCurrentSBlockName]->mBlockNumber >= 1)
-                        {
-                                // At least one block for the current block name.
-
-                                // Store the current block name for future reference.
-                                char *block_name = mCurrentSBlockName;
-
-                                // Decrement the sent total by the size of the
-                                // data in the message block that we're currently building.
-
-                                LLMessageBlock* template_data = mCurrentSMessageTemplate->mMemberBlocks[mCurrentSBlockName];
-                                
-                                for (LLMessageBlock::message_variable_map_t::iterator iter = template_data->mMemberVariables.begin();
-                                         iter != template_data->mMemberVariables.end(); iter++)
-                                {
-                                        LLMessageVariable& ci = *(iter->second);
-                                        mCurrentSendTotal -= ci.getSize();
-                                }
-
-
-                                // Now we want to find the block that we're blowing away.
-
-                                // Get the number of blocks.
-                                LLMsgBlkData* block_data = mCurrentSMessageData->mMemberBlocks[block_name];
-                                S32 num_blocks = block_data->mBlockNumber;
-
-                                // Use the same (suspect?) algorithm that's used to generate
-                                // the names in the nextBlock method to find it.
-                                char *block_getting_whacked = block_name + num_blocks - 1;
-                                LLMsgBlkData* whacked_data = mCurrentSMessageData->mMemberBlocks[block_getting_whacked];
-                                delete whacked_data;
-                                mCurrentSMessageData->mMemberBlocks.erase(block_getting_whacked);
-
-                                if (num_blocks <= 1)
-                                {
-                                        // we just blew away the last one, so return FALSE
-                                        return FALSE;
-                                }
-                                else
-                                {
-                                        // Decrement the counter.
-                                        block_data->mBlockNumber--;
-                                        return TRUE;
-                                }
-                        }
-                }
-        }
-        return FALSE;
-}
-
-// make sure that all the desired data is in place and then copy the data into mSendBuffer
-void LLMessageSystem::buildMessage()
-{
-        // basic algorithm is to loop through the various pieces, building
-        // size and offset info if we encounter a -1 for mSize at any
-        // point that variable wasn't given data
-
-        // do we have a current message?
-        if (!mCurrentSMessageTemplate)
-        {
-                llerrs << "newMessage not called prior to buildMessage" << llendl;
-                return;
-        }
-
-        // zero out some useful values
-
-        // leave room for circuit counter
-        mSendSize = LL_PACKET_ID_SIZE;
-
-        // encode message number and adjust total_offset
-        if (mCurrentSMessageTemplate->mFrequency == MFT_HIGH)
-        {
-// old, endian-dependant way
-//              memcpy(&mSendBuffer[mSendSize], &mCurrentMessageTemplate->mMessageNumber, sizeof(U8));
-
-// new, independant way
-                mSendBuffer[mSendSize] = (U8)mCurrentSMessageTemplate->mMessageNumber;
-                mSendSize += sizeof(U8);
-        }
-        else if (mCurrentSMessageTemplate->mFrequency == MFT_MEDIUM)
-        {
-                U8 temp = 255;
-                memcpy(&mSendBuffer[mSendSize], &temp, sizeof(U8));  /*Flawfinder: ignore*/
-                mSendSize += sizeof(U8);
-
-                // mask off unsightly bits
-                temp = mCurrentSMessageTemplate->mMessageNumber & 255;
-                memcpy(&mSendBuffer[mSendSize], &temp, sizeof(U8));  /*Flawfinder: ignore*/
-                mSendSize += sizeof(U8);
-        }
-        else if (mCurrentSMessageTemplate->mFrequency == MFT_LOW)
-        {
-                U8 temp = 255;
-                U16  message_num;
-                memcpy(&mSendBuffer[mSendSize], &temp, sizeof(U8));  /*Flawfinder: ignore*/
-                mSendSize += sizeof(U8);
-                memcpy(&mSendBuffer[mSendSize], &temp, sizeof(U8));  /*Flawfinder: ignore*/
-                mSendSize += sizeof(U8);
-
-                // mask off unsightly bits
-                message_num = mCurrentSMessageTemplate->mMessageNumber & 0xFFFF;
-
-            // convert to network byte order
-                message_num = htons(message_num);
-                memcpy(&mSendBuffer[mSendSize], &message_num, sizeof(U16)); /*Flawfinder: ignore*/
-                mSendSize += sizeof(U16);
-        }
-        else
-        {
-                llerrs << "unexpected message frequency in buildMessage" << llendl;
-                return;
-        }
-
-        // counting variables used to encode multiple block info
-        S32 block_count = 0;
-        U8  temp_block_number;
-
-        // loop through msg blocks to loop through variables, totalling up size data and copying into mSendBuffer
-        for (LLMsgData::msg_blk_data_map_t::iterator
-                         iter = mCurrentSMessageData->mMemberBlocks.begin(),
-                         end = mCurrentSMessageData->mMemberBlocks.end();
-                 iter != end; iter++)
-        {
-                LLMsgBlkData* mbci = iter->second;
-                // do we need to encode a block code?
-                if (block_count == 0)
-                {
-                        block_count = mbci->mBlockNumber;
-
-                        LLMessageBlock* template_data = mCurrentSMessageTemplate->mMemberBlocks[mbci->mName];
-                        
-                        // ok, if this is the first block of a repeating pack, set block_count and, if it's type MBT_VARIABLE encode a byte for how many there are
-                        if (template_data->mType == MBT_VARIABLE)
-                        {
-                                // remember that mBlockNumber is a S32
-                                temp_block_number = (U8)mbci->mBlockNumber;
-                                if ((S32)(mSendSize + sizeof(U8)) < MAX_BUFFER_SIZE)
-                                {
-                                    memcpy(&mSendBuffer[mSendSize], &temp_block_number, sizeof(U8));    /* Flawfinder: ignore */
-                                    mSendSize += sizeof(U8);
-                                }
-                                else
-                                {
-                                    // Just reporting error is likely not enough. Need
-                                    // to check how to abort or error out gracefully
-                                    // from this function. XXXTBD
-                                    llerrs << "buildMessage failed. Message excedding"
-                                                " sendBuffersize." << llendl;
-                                }
-                        }
-                        else if (template_data->mType == MBT_MULTIPLE)
-                        {
-                                if (block_count != template_data->mNumber)
-                                {
-                                        // nope!  need to fill it in all the way!
-                                        llerrs << "Block " << mbci->mName
-                                                << " is type MBT_MULTIPLE but only has data for "
-                                                << block_count << " out of its "
-                                                << template_data->mNumber << " blocks" << llendl;
-                                }
-                        }
-                }
-
-                // counting down multiple blocks
-                block_count--;
-
-                // now loop through the variables
-                for (LLMsgBlkData::msg_var_data_map_t::iterator iter = mbci->mMemberVarData.begin();
-                         iter != mbci->mMemberVarData.end(); iter++)
-                {
-                        LLMsgVarData& mvci = *iter;
-                        if (mvci.getSize() == -1)
-                        {
-                                // oops, this variable wasn't ever set!
-                                llerrs << "The variable " << mvci.getName() << " in block "
-                                        << mbci->mName << " of message "
-                                        << mCurrentSMessageData->mName
-                                        << " wasn't set prior to buildMessage call" << llendl;
-                        }
-                        else
-                        {
-                                S32 data_size = mvci.getDataSize();
-                                if(data_size > 0)
-                                {
-                                        // The type is MVT_VARIABLE, which means that we
-                                        // need to encode a size argument. Otherwise,
-                                        // there is no need.
-                                        S32 size = mvci.getSize();
-                                        U8 sizeb;
-                                        U16 sizeh;
-                                        switch(data_size)
-                                        {
-                                        case 1:
-                                                sizeb = size;
-                                                htonmemcpy(&mSendBuffer[mSendSize], &sizeb, MVT_U8, 1);
-                                                break;
-                                        case 2:
-                                                sizeh = size;
-                                                htonmemcpy(&mSendBuffer[mSendSize], &sizeh, MVT_U16, 2);
-                                                break;
-                                        case 4:
-                                                htonmemcpy(&mSendBuffer[mSendSize], &size, MVT_S32, 4);
-                                                break;
-                                        default:
-                                                llerrs << "Attempting to build variable field with unknown size of " << size << llendl;
-                                                break;
-                                        }
-                                        mSendSize += mvci.getDataSize();
-                                }
-
-                                // if there is any data to pack, pack it
-                                if((mvci.getData() != NULL) && mvci.getSize())
-                                {
-                                        if(mSendSize + mvci.getSize() < (S32)sizeof(mSendBuffer))
-                                        {
-                                            memcpy( /* Flawfinder: ignore */
-                                                        &mSendBuffer[mSendSize],
-                                                        mvci.getData(),
-                                                        mvci.getSize());
-                                            mSendSize += mvci.getSize();
-                                        }
-                                        else
-                                        {
-                                            // Just reporting error is likely not
-                                            // enough. Need to check how to abort or error
-                                            // out gracefully from this function. XXXTBD
-                                                llerrs << "LLMessageSystem::buildMessage failed. "
-                                                        << "Attempted to pack "
-                                                        << mSendSize + mvci.getSize()
-                                                        << " bytes into a buffer with size "
-                                                        << mSendBuffer << "." << llendl
-                                        }                                               
-                                }
-                        }
-                }
-        }
-        mbSBuilt = TRUE;
+        return mMessageBuilder->removeLastBlock();
 }
 
 S32 LLMessageSystem::sendReliable(const LLHost &host)
@@ -2874,7 +1905,9 @@ S32 LLMessageSystem::sendSemiReliable(const LLHost &host, void (*callback)(void
                 timeout = LL_SEMIRELIABLE_TIMEOUT_FACTOR * LL_AVERAGED_PING_MAX;
         }
 
-        return sendReliable(host, 0, FALSE, timeout, callback, callback_data);
+        const S32 retries = 0;
+        const BOOL ping_based_timeout = FALSE;
+        return sendReliable(host, retries, ping_based_timeout, timeout, callback, callback_data);
 }
 
 // send the message via a UDP packet
@@ -2900,7 +1933,8 @@ S32 LLMessageSystem::sendReliable(	const LLHost &host,
 
         mSendReliable = TRUE;
         mReliablePacketParams.set(host, retries, ping_based_timeout, timeout, 
-                callback, callback_data, mCurrentSMessageName);
+                callback, callback_data, 
+                const_cast<char*>(mMessageBuilder->getMessageName()));
         return sendMessage(host);
 }
 
@@ -2938,11 +1972,13 @@ S32 LLMessageSystem::flushSemiReliable(const LLHost &host, void (*callback)(void
         }
 
         S32 send_bytes = 0;
-        if (mCurrentSendTotal)
+        if (mMessageBuilder->getMessageSize())
         {
                 mSendReliable = TRUE;
                 // No need for ping-based retry as not going to retry
-                mReliablePacketParams.set(host, 0, FALSE, timeout, callback, callback_data, mCurrentSMessageName);
+                mReliablePacketParams.set(host, 0, FALSE, timeout, callback, 
+                                                                  callback_data, 
+                                                                  const_cast<char*>(mMessageBuilder->getMessageName()));
                 send_bytes = sendMessage(host);
                 clearMessage();
         }
@@ -2956,7 +1992,7 @@ S32 LLMessageSystem::flushSemiReliable(const LLHost &host, void (*callback)(void
 S32 LLMessageSystem::flushReliable(const LLHost &host)
 {
         S32 send_bytes = 0;
-        if (mCurrentSendTotal)
+        if (mMessageBuilder->getMessageSize())
         {
                 send_bytes = sendReliable(host);
         }
@@ -2969,13 +2005,12 @@ S32 LLMessageSystem::flushReliable(const LLHost &host)
 // so should should not use llinfos.
 S32 LLMessageSystem::sendMessage(const LLHost &host)
 {
-        if (!mbSBuilt)
+        if (! mMessageBuilder->isBuilt())
         {
-                buildMessage();
+                mSendSize = mMessageBuilder->buildMessage(mSendBuffer,
+                                                                                                  MAX_BUFFER_SIZE);
         }
 
-        mCurrentSendTotal = 0;
-
         if (!(host.isOk()))    // if port and ip are zero, don't bother trying to send the message
         {
                 return 0;
@@ -2992,10 +2027,10 @@ S32 LLMessageSystem::sendMessage(const LLHost &host)
                         if(mVerboseLog)
                         {
                                 llinfos << "MSG: -> " << host << "\tUNKNOWN CIRCUIT:\t"
-                                                << mCurrentSMessageName << llendl;
+                                                << mMessageBuilder->getMessageName() << llendl;
                         }
                         llwarns << "sendMessage - Trying to send "
-                                        << mCurrentSMessageName << " on unknown circuit "
+                                        << mMessageBuilder->getMessageName() << " on unknown circuit "
                                         << host << llendl;
                         return 0;
                 }
@@ -3014,15 +2049,41 @@ S32 LLMessageSystem::sendMessage(const LLHost &host)
                         if(mVerboseLog)
                         {
                                 llinfos << "MSG: -> " << host << "\tDEAD CIRCUIT\t\t"
-                                                << mCurrentSMessageName << llendl;
+                                                << mMessageBuilder->getMessageName() << llendl;
                         }
                         llwarns << "sendMessage - Trying to send message "
-                                        << mCurrentSMessageName << " to dead circuit "
+                                        << mMessageBuilder->getMessageName() << " to dead circuit "
                                         << host << llendl;
                         return 0;
                 }
         }
 
+        // NOTE: babbage: LLSD message -> HTTP, template message -> UDP
+        if(mMessageBuilder == mLLSDMessageBuilder)
+        {
+                LLSD message = mLLSDMessageBuilder->getMessage();
+                
+                const LLHTTPSender& sender = LLHTTPSender::getSender(host);
+                LLHTTPClient::ResponderPtr responder = NULL;
+                if(mSendReliable)
+                {
+                        responder =
+                                new LLFnPtrResponder(mReliablePacketParams.mCallback,
+                                                                         mReliablePacketParams.mCallbackData);
+                }
+                else
+                {
+                        llwarns << "LLMessageSystem::sendMessage: Sending unreliable " << mMessageBuilder->getMessageName() << " message via HTTP" << llendl;
+                        responder = new LLFnPtrResponder(NULL, NULL);
+                }
+                sender.send(host, mLLSDMessageBuilder->getMessageName(),
+                                        message, responder);
+
+                mSendReliable = FALSE;
+                mReliablePacketParams.clear();
+                return 1;
+        }
+
         memset(mSendBuffer,0,LL_PACKET_ID_SIZE); // zero out the packet ID field
 
         // add the send id to the front of the message
@@ -3033,20 +2094,17 @@ S32 LLMessageSystem::sendMessage(const LLHost &host)
 
         // Compress the message, which will usually reduce its size.
         U8 * buf_ptr = (U8 *)mSendBuffer;
-        S32 buffer_length = mSendSize;
-        if(ME_ZEROCODED == mCurrentSMessageTemplate->getEncoding())
-        {
-                zeroCode(&buf_ptr, &buffer_length);
-        }
+        U32 buffer_length = mSendSize;
+        mMessageBuilder->compressMessage(buf_ptr, buffer_length);
 
         if (buffer_length > 1500)
         {
-                if((mCurrentSMessageName != _PREHASH_ChildAgentUpdate)
-                   && (mCurrentSMessageName != _PREHASH_SendXferPacket))
+                if((mMessageBuilder->getMessageName() != _PREHASH_ChildAgentUpdate)
+                   && (mMessageBuilder->getMessageName() != _PREHASH_SendXferPacket))
                 {
                         llwarns << "sendMessage - Trying to send "
                                         << ((buffer_length > 4000) ? "EXTRA " : "")
-                                        << "BIG message " << mCurrentSMessageName << " - "
+                                        << "BIG message " << mMessageBuilder->getMessageName() << " - "
                                         << buffer_length << llendl;
                 }
         }
@@ -3071,7 +2129,7 @@ S32 LLMessageSystem::sendMessage(const LLHost &host)
         BOOL is_ack_appended = FALSE;
         std::vector<TPACKETID> acks;
         if((space_left > 0) && (ack_count > 0) && 
-           (mCurrentSMessageName != _PREHASH_PacketAck))
+           (mMessageBuilder->getMessageName() != _PREHASH_PacketAck))
         {
                 buf_ptr[0] |= LL_ACK_FLAG;
                 S32 append_ack_count = llmin(space_left, ack_count);
@@ -3142,7 +2200,7 @@ S32 LLMessageSystem::sendMessage(const LLHost &host)
                 char buffer[MAX_STRING];                        /* Flawfinder: ignore */
                 snprintf(buffer, MAX_STRING, "\t%6d\t%6d\t%6d ", mSendSize, buffer_length, cdp->getPacketOutID());              /* Flawfinder: ignore */
                 str << buffer
-                        << mCurrentSMessageTemplate->mName
+                        << mMessageBuilder->getMessageName()
                         << (mSendReliable ? " reliable " : "");
                 if(is_ack_appended)
                 {
@@ -3153,89 +2211,19 @@ S32 LLMessageSystem::sendMessage(const LLHost &host)
                 llinfos << str.str() << llendl;
         }
 
-        lldebugst(LLERR_MESSAGE) << "MessageSent at: " << (S32)totalTime() 
-                << ", " << mCurrentSMessageTemplate->mName
-                << " to " << host 
-                << llendl;
-
-        // ok, clean up temp data
-        delete mCurrentSMessageData;
-        mCurrentSMessageData = NULL;
+        /*lldebugst(LLERR_MESSAGE) << "MessageSent at: " << (S32)totalTime() 
+                                                         << "," << mMessageBuilder->getMessageName()
+                                                         << " to " << host 
+                                                         << llendl;*/
 
         mPacketsOut++;
         mBytesOut += buffer_length;
         
+        mSendReliable = FALSE;
+        mReliablePacketParams.clear();
         return buffer_length;
 }
 
-
-// Returns template for the message contained in buffer
-BOOL LLMessageSystem::decodeTemplate(  
-                const U8* buffer, S32 buffer_size,  // inputs
-                LLMessageTemplate** msg_template ) // outputs
-{
-        const U8* header = buffer + LL_PACKET_ID_SIZE;
-
-        // is there a message ready to go?
-        if (buffer_size <= 0)
-        {
-                llwarns << "No message waiting for decode!" << llendl;
-                return(FALSE);
-        }
-
-        U32 num = 0;
-
-        if (header[0] != 255)
-        {
-                // high frequency message
-                num = header[0];
-        }
-        else if ((buffer_size >= ((S32) LL_MINIMUM_VALID_PACKET_SIZE + 1)) && (header[1] != 255))
-        {
-                // medium frequency message
-                num = (255 << 8) | header[1];
-        }
-        else if ((buffer_size >= ((S32) LL_MINIMUM_VALID_PACKET_SIZE + 3)) && (header[1] == 255))
-        {
-                // low frequency message
-                U16     message_id_U16 = 0;
-                // I think this check busts the message system.
-                // it appears that if there is a NULL in the message #, it won't copy it....
-                // what was the goal?
-                //if(header[2])
-                memcpy(&message_id_U16, &header[2], 2); /* Flawfinder: ignore */
-
-                // dependant on endian-ness:
-                //              U32     temp = (255 << 24) | (255 << 16) | header[2];
-
-                // independant of endian-ness:
-                message_id_U16 = ntohs(message_id_U16);
-                num = 0xFFFF0000 | message_id_U16;
-        }
-        else // bogus packet received (too short)
-        {
-                llwarns << "Packet with unusable length received (too short): "
-                                << buffer_size << llendl;
-                return(FALSE);
-        }
-
-        LLMessageTemplate* temp = get_ptr_in_map(mMessageNumbers,num);
-        if (temp)
-        {
-                *msg_template = temp;
-        }
-        else
-        {
-                llwarns << "Message #" << std::hex << num << std::dec
-                        << " received but not registered!" << llendl;
-                callExceptionFunc(MX_UNREGISTERED_MESSAGE);
-                return(FALSE);
-        }
-
-        return(TRUE);
-}
-
-
 void LLMessageSystem::logMsgFromInvalidCircuit( const LLHost& host, BOOL recv_reliable )
 {
         if(mVerboseLog)
@@ -3243,9 +2231,9 @@ void LLMessageSystem::logMsgFromInvalidCircuit( const LLHost& host, BOOL recv_re
                 std::ostringstream str;
                 str << "MSG: <- " << host;
                 char buffer[MAX_STRING];                        /* Flawfinder: ignore */
-                snprintf(buffer, MAX_STRING, "\t%6d\t%6d\t%6d ", mReceiveSize, (mIncomingCompressedSize ? mIncomingCompressedSize: mReceiveSize), mCurrentRecvPacketID);                /* Flawfinder: ignore */
+                snprintf(buffer, MAX_STRING, "\t%6d\t%6d\t%6d ", mMessageReader->getMessageSize(), (mIncomingCompressedSize ? mIncomingCompressedSize: mMessageReader->getMessageSize()), mCurrentRecvPacketID);                /* Flawfinder: ignore */
                 str << buffer
-                        << mCurrentRMessageTemplate->mName
+                        << mMessageReader->getMessageName()
                         << (recv_reliable ? " reliable" : "")
                         << " REJECTED";
                 llinfos << str.str() << llendl;
@@ -3260,8 +2248,9 @@ void LLMessageSystem::logMsgFromInvalidCircuit( const LLHost& host, BOOL recv_re
         }
         else
         {
-                mMessageCountList[mNumMessageCounts].mMessageNum = mCurrentRMessageTemplate->mMessageNumber;
-                mMessageCountList[mNumMessageCounts].mMessageBytes = mReceiveSize;
+                // TODO: babbage: work out if we need these
+                // mMessageCountList[mNumMessageCounts].mMessageNum = mCurrentRMessageTemplate->mMessageNumber;
+                mMessageCountList[mNumMessageCounts].mMessageBytes = mMessageReader->getMessageSize();
                 mMessageCountList[mNumMessageCounts].mInvalid = TRUE;
                 mNumMessageCounts++;
         }
@@ -3271,11 +2260,11 @@ void LLMessageSystem::logTrustedMsgFromUntrustedCircuit( const LLHost& host )
 {
         // RequestTrustedCircuit is how we establish trust, so don't spam
         // if it's received on a trusted circuit. JC
-        if (strcmp(mCurrentRMessageTemplate->mName, "RequestTrustedCircuit"))
+        if (strcmp(mMessageReader->getMessageName(), "RequestTrustedCircuit"))
         {
                 llwarns << "Received trusted message on untrusted circuit. "
                         << "Will reply with deny. "
-                        << "Message: " << mCurrentRMessageTemplate->mName
+                        << "Message: " << mMessageReader->getMessageName()
                         << " Host: " << host << llendl;
         }
 
@@ -3287,10 +2276,11 @@ void LLMessageSystem::logTrustedMsgFromUntrustedCircuit( const LLHost& host )
         }
         else
         {
-                mMessageCountList[mNumMessageCounts].mMessageNum
-                        = mCurrentRMessageTemplate->mMessageNumber;
+                // TODO: babbage: work out if we need these
+                //mMessageCountList[mNumMessageCounts].mMessageNum
+                //      = mCurrentRMessageTemplate->mMessageNumber;
                 mMessageCountList[mNumMessageCounts].mMessageBytes
-                        = mReceiveSize;
+                        = mMessageReader->getMessageSize();
                 mMessageCountList[mNumMessageCounts].mInvalid = TRUE;
                 mNumMessageCounts++;
         }
@@ -3304,8 +2294,9 @@ void LLMessageSystem::logValidMsg(LLCircuitData *cdp, const LLHost& host, BOOL r
         }
         else
         {
-                mMessageCountList[mNumMessageCounts].mMessageNum = mCurrentRMessageTemplate->mMessageNumber;
-                mMessageCountList[mNumMessageCounts].mMessageBytes = mReceiveSize;
+                // TODO: babbage: work out if we need these
+                //mMessageCountList[mNumMessageCounts].mMessageNum = mCurrentRMessageTemplate->mMessageNumber;
+                mMessageCountList[mNumMessageCounts].mMessageBytes = mMessageReader->getMessageSize();
                 mMessageCountList[mNumMessageCounts].mInvalid = FALSE;
                 mNumMessageCounts++;
         }
@@ -3322,9 +2313,9 @@ void LLMessageSystem::logValidMsg(LLCircuitData *cdp, const LLHost& host, BOOL r
                 std::ostringstream str;
                 str << "MSG: <- " << host;
                 char buffer[MAX_STRING];                        /* Flawfinder: ignore */
-                snprintf(buffer, MAX_STRING, "\t%6d\t%6d\t%6d ", mReceiveSize, (mIncomingCompressedSize ? mIncomingCompressedSize : mReceiveSize), mCurrentRecvPacketID);               /* Flawfinder: ignore */
+                snprintf(buffer, MAX_STRING, "\t%6d\t%6d\t%6d ", mMessageReader->getMessageSize(), (mIncomingCompressedSize ? mIncomingCompressedSize : mMessageReader->getMessageSize()), mCurrentRecvPacketID);               /* Flawfinder: ignore */
                 str << buffer
-                        << mCurrentRMessageTemplate->mName
+                        << mMessageReader->getMessageName()
                         << (recv_reliable ? " reliable" : "")
                         << (recv_resent ? " resent" : "")
                         << (recv_acks ? " acks" : "");
@@ -3332,435 +2323,19 @@ void LLMessageSystem::logValidMsg(LLCircuitData *cdp, const LLHost& host, BOOL r
         }
 }
 
-
-void LLMessageSystem::logRanOffEndOfPacket( const LLHost& host )
-{
-        // we've run off the end of the packet!
-        llwarns << "Ran off end of packet " << mCurrentRMessageTemplate->mName
-                        << " with id " << mCurrentRecvPacketID << " from " << host
-                        << llendl;
-        if(mVerboseLog)
-        {
-                llinfos << "MSG: -> " << host << "\tREAD PAST END:\t"
-                                << mCurrentRecvPacketID << " "
-                                << mCurrentSMessageTemplate->mName << llendl;
-        }
-        callExceptionFunc(MX_RAN_OFF_END_OF_PACKET);
-}
-
-
-// decode a given message
-BOOL LLMessageSystem::decodeData(const U8* buffer, const LLHost& sender )
-{
-        llassert( mReceiveSize >= 0 );
-        llassert( mCurrentRMessageTemplate);
-        llassert( !mCurrentRMessageData );
-        delete mCurrentRMessageData; // just to make sure
-
-        S32 decode_pos = LL_PACKET_ID_SIZE + (S32)(mCurrentRMessageTemplate->mFrequency);
-
-        // create base working data set
-        mCurrentRMessageData = new LLMsgData(mCurrentRMessageTemplate->mName);
-        
-        // loop through the template building the data structure as we go
-        for (LLMessageTemplate::message_block_map_t::iterator iter = mCurrentRMessageTemplate->mMemberBlocks.begin();
-                 iter != mCurrentRMessageTemplate->mMemberBlocks.end(); iter++)
-        {
-                LLMessageBlock* mbci = iter->second;
-                U8      repeat_number;
-                S32     i;
-
-                // how many of this block?
-
-                if (mbci->mType == MBT_SINGLE)
-                {
-                        // just one
-                        repeat_number = 1;
-                }
-                else if (mbci->mType == MBT_MULTIPLE)
-                {
-                        // a known number
-                        repeat_number = mbci->mNumber;
-                }
-                else if (mbci->mType == MBT_VARIABLE)
-                {
-                        // need to read the number from the message
-                        // repeat number is a single byte
-                        if (decode_pos >= mReceiveSize)
-                        {
-                                logRanOffEndOfPacket( sender );
-                                return FALSE;
-                        }
-                        repeat_number = buffer[decode_pos];
-                        decode_pos++;
-                }
-                else
-                {
-                        llerrs << "Unknown block type" << llendl;
-                        return FALSE;
-                }
-
-                LLMsgBlkData* cur_data_block = NULL;
-
-                // now loop through the block
-                for (i = 0; i < repeat_number; i++)
-                {
-                        if (i)
-                        {
-                                // build new name to prevent collisions
-                                // TODO: This should really change to a vector
-                                cur_data_block = new LLMsgBlkData(mbci->mName, repeat_number);
-                                cur_data_block->mName = mbci->mName + i;
-                        }
-                        else
-                        {
-                                cur_data_block = new LLMsgBlkData(mbci->mName, repeat_number);
-                        }
-
-                        // add the block to the message
-                        mCurrentRMessageData->addBlock(cur_data_block);
-
-                        // now read the variables
-                        for (LLMessageBlock::message_variable_map_t::iterator iter = mbci->mMemberVariables.begin();
-                                 iter != mbci->mMemberVariables.end(); iter++)
-                        {
-                                LLMessageVariable& mvci = *(iter->second);
-                                // ok, build out the variables
-                                // add variable block
-                                cur_data_block->addVariable(mvci.getName(), mvci.getType());
-
-                                // what type of variable?
-                                if (mvci.getType() == MVT_VARIABLE)
-                                {
-                                        // variable, get the number of bytes to read from the template
-                                        S32 data_size = mvci.getSize();
-                                        U8 tsizeb = 0;
-                                        U16 tsizeh = 0;
-                                        U32 tsize = 0;
-
-                                        if ((decode_pos + data_size) > mReceiveSize)
-                                        {
-                                                logRanOffEndOfPacket( sender );
-                                                return FALSE;
-                                        }
-                                        switch(data_size)
-                                        {
-                                        case 1:
-                                                htonmemcpy(&tsizeb, &buffer[decode_pos], MVT_U8, 1);
-                                                tsize = tsizeb;
-                                                break;
-                                        case 2:
-                                                htonmemcpy(&tsizeh, &buffer[decode_pos], MVT_U16, 2);
-                                                tsize = tsizeh;
-                                                break;
-                                        case 4:
-                                                htonmemcpy(&tsizeb, &buffer[decode_pos], MVT_U32, 4);
-                                                break;
-                                        default:
-                                                llerrs << "Attempting to read variable field with unknown size of " << data_size << llendl;
-                                                break;
-                                                
-                                        }
-                                        decode_pos += data_size;
-
-                                        if ((decode_pos + (S32)tsize) > mReceiveSize)
-                                        {
-                                                logRanOffEndOfPacket( sender );
-                                                return FALSE;
-                                        }
-                                        cur_data_block->addData(mvci.getName(), &buffer[decode_pos], tsize, mvci.getType());
-                                        decode_pos += tsize;
-                                }
-                                else
-                                {
-                                        // fixed!
-                                        // so, copy data pointer and set data size to fixed size
-
-                                        if ((decode_pos + mvci.getSize()) > mReceiveSize)
-                                        {
-                                                logRanOffEndOfPacket( sender );
-                                                return FALSE;
-                                        }
-
-                                        cur_data_block->addData(mvci.getName(), &buffer[decode_pos], mvci.getSize(), mvci.getType());
-                                        decode_pos += mvci.getSize();
-                                }
-                        }
-                }
-        }
-
-        if (mCurrentRMessageData->mMemberBlocks.empty()
-                && !mCurrentRMessageTemplate->mMemberBlocks.empty())
-        {
-                lldebugs << "Empty message '" << mCurrentRMessageTemplate->mName << "' (no blocks)" << llendl;
-                return FALSE;
-        }
-
-        {
-                static LLTimer decode_timer;
-
-                if( mTimeDecodes )
-                {
-                        decode_timer.reset();
-                }
-
-                //      if( mCurrentRMessageTemplate->mName == _PREHASH_AgentToNewRegion )
-                //      {
-                //              VTResume();  // VTune
-                //      }
-
-                {
-                        LLFastTimer t(LLFastTimer::FTM_PROCESS_MESSAGES);
-                        if( !mCurrentRMessageTemplate->callHandlerFunc(this) )
-                        {
-                                llwarns << "Message from " << sender << " with no handler function received: " << mCurrentRMessageTemplate->mName << llendl;
-                        }
-                }
-
-                //      if( mCurrentRMessageTemplate->mName == _PREHASH_AgentToNewRegion )
-                //      {
-                //              VTPause();      // VTune
-                //      }
-
-                if( mTimeDecodes )
-                {
-                        F32 decode_time = decode_timer.getElapsedTimeF32();
-                        mCurrentRMessageTemplate->mDecodeTimeThisFrame += decode_time;
-
-                        mCurrentRMessageTemplate->mTotalDecoded++;
-                        mCurrentRMessageTemplate->mTotalDecodeTime += decode_time;
-
-                        if( mCurrentRMessageTemplate->mMaxDecodeTimePerMsg < decode_time )
-                        {
-                                mCurrentRMessageTemplate->mMaxDecodeTimePerMsg = decode_time;
-                        }
-
-
-                        if( decode_time > mTimeDecodesSpamThreshold )
-                        {
-                                lldebugs << "--------- Message " << mCurrentRMessageTemplate->mName << " decode took " << decode_time << " seconds. (" <<
-                                        mCurrentRMessageTemplate->mMaxDecodeTimePerMsg << " max, " <<
-                                        (mCurrentRMessageTemplate->mTotalDecodeTime / mCurrentRMessageTemplate->mTotalDecoded) << " avg)" << llendl;
-                        }
-                }
-        }
-        return TRUE;
-}
-
-void LLMessageSystem::getDataFast(const char *blockname, const char *varname, void *datap, S32 size, S32 blocknum, S32 max_size)
-{
-        // is there a message ready to go?
-        if (mReceiveSize == -1)
-        {
-                llerrs << "No message waiting for decode 2!" << llendl;
-                return;
-        }
-
-        if (!mCurrentRMessageData)
-        {
-                llerrs << "Invalid mCurrentMessageData in getData!" << llendl;
-                return;
-        }
-
-        char *bnamep = (char *)blockname + blocknum; // this works because it's just a hash.  The bnamep is never derefference
-        char *vnamep = (char *)varname; 
-
-        LLMsgData::msg_blk_data_map_t::iterator iter = mCurrentRMessageData->mMemberBlocks.find(bnamep);
-
-        if (iter == mCurrentRMessageData->mMemberBlocks.end())
-        {
-                llerrs << "Block " << blockname << " #" << blocknum
-                        << " not in message " << mCurrentRMessageData->mName << llendl;
-                return;
-        }
-
-        LLMsgBlkData *msg_block_data = iter->second;
-        LLMsgVarData& vardata = msg_block_data->mMemberVarData[vnamep];
-
-        if (!vardata.getName())
-        {
-                llerrs << "Variable "<< vnamep << " not in message "
-                        << mCurrentRMessageData->mName<< " block " << bnamep << llendl;
-                return;
-        }
-
-        if (size && size != vardata.getSize())
-        {
-                llerrs << "Msg " << mCurrentRMessageData->mName 
-                        << " variable " << vnamep
-                        << " is size " << vardata.getSize()
-                        << " but copying into buffer of size " << size
-                        << llendl;
-                return;
-        }
-
-
-        const S32 vardata_size = vardata.getSize();
-        if( max_size >= vardata_size )
-        {   
-                switch( vardata_size )
-                { 
-                case 1:
-                        *((U8*)datap) = *((U8*)vardata.getData());
-                        break;
-                case 2:
-                        *((U16*)datap) = *((U16*)vardata.getData());
-                        break;
-                case 4:
-                        *((U32*)datap) = *((U32*)vardata.getData());
-                        break;
-                case 8:
-                        ((U32*)datap)[0] = ((U32*)vardata.getData())[0];
-                        ((U32*)datap)[1] = ((U32*)vardata.getData())[1];
-                        break;
-                default:
-                        memcpy(datap, vardata.getData(), vardata_size); /* Flawfinder: ignore */
-                        break;
-                }
-        }
-        else
-        {
-                llwarns << "Msg " << mCurrentRMessageData->mName 
-                        << " variable " << vnamep
-                        << " is size " << vardata.getSize()
-                        << " but truncated to max size of " << max_size
-                        << llendl;
-
-                memcpy(datap, vardata.getData(), max_size);     /* Flawfinder: ignore */
-        }
-}
-
-S32 LLMessageSystem::getNumberOfBlocksFast(const char *blockname)
-{
-        // is there a message ready to go?
-        if (mReceiveSize == -1)
-        {
-                llerrs << "No message waiting for decode 3!" << llendl;
-                return -1;
-        }
-
-        if (!mCurrentRMessageData)
-        {
-                llerrs << "Invalid mCurrentRMessageData in getData!" << llendl;
-                return -1;
-        }
-
-        char *bnamep = (char *)blockname; 
-
-        LLMsgData::msg_blk_data_map_t::iterator iter = mCurrentRMessageData->mMemberBlocks.find(bnamep);
-        
-        if (iter == mCurrentRMessageData->mMemberBlocks.end())
-        {
-//              sprintf(errmsg, "Block %s not in message %s", bnamep, mCurrentRMessageData->mName);
-//              llerrs << errmsg << llendl;
-//              return -1;
-                return 0;
-        }
-
-        return (iter->second)->mBlockNumber;
-}
-
-S32 LLMessageSystem::getSizeFast(const char *blockname, const char *varname)
-{
-        // is there a message ready to go?
-        if (mReceiveSize == -1)
-        {
-                llerrs << "No message waiting for decode 4!" << llendl;
-                return -1;
-        }
-
-        if (!mCurrentRMessageData)
-        {
-                llerrs << "Invalid mCurrentRMessageData in getData!" << llendl;
-                return -1;
-        }
-
-        char *bnamep = (char *)blockname; 
-
-        LLMsgData::msg_blk_data_map_t::iterator iter = mCurrentRMessageData->mMemberBlocks.find(bnamep);
-        
-        if (iter == mCurrentRMessageData->mMemberBlocks.end())
-        {
-                llerrs << "Block " << bnamep << " not in message "
-                        << mCurrentRMessageData->mName << llendl;
-                return -1;
-        }
-
-        char *vnamep = (char *)varname; 
-
-        LLMsgBlkData* msg_data = iter->second;
-        LLMsgVarData& vardata = msg_data->mMemberVarData[vnamep];
-        
-        if (!vardata.getName())
-        {
-                llerrs << "Variable " << varname << " not in message "
-                        << mCurrentRMessageData->mName << " block " << bnamep << llendl;
-                return -1;
-        }
-
-        if (mCurrentRMessageTemplate->mMemberBlocks[bnamep]->mType != MBT_SINGLE)
-        {
-                llerrs << "Block " << bnamep << " isn't type MBT_SINGLE,"
-                        " use getSize with blocknum argument!" << llendl;
-                return -1;
-        }
-
-        return vardata.getSize();
-}
-
-
-S32 LLMessageSystem::getSizeFast(const char *blockname, S32 blocknum, const char *varname)
-{
-        // is there a message ready to go?
-        if (mReceiveSize == -1)
-        {
-                llerrs << "No message waiting for decode 5!" << llendl;
-                return -1;
-        }
-
-        if (!mCurrentRMessageData)
-        {
-                llerrs << "Invalid mCurrentRMessageData in getData!" << llendl;
-                return -1;
-        }
-
-        char *bnamep = (char *)blockname + blocknum; 
-        char *vnamep = (char *)varname; 
-
-        LLMsgData::msg_blk_data_map_t::iterator iter = mCurrentRMessageData->mMemberBlocks.find(bnamep);
-        
-        if (iter == mCurrentRMessageData->mMemberBlocks.end())
-        {
-                llerrs << "Block " << bnamep << " not in message "
-                        << mCurrentRMessageData->mName << llendl;
-                return -1;
-        }
-
-        LLMsgBlkData* msg_data = iter->second;
-        LLMsgVarData& vardata = msg_data->mMemberVarData[vnamep];
-        
-        if (!vardata.getName())
-        {
-                llerrs << "Variable " << vnamep << " not in message "
-                        <<  mCurrentRMessageData->mName << " block " << bnamep << llendl;
-                return -1;
-        }
-
-        return vardata.getSize();
-}
-
-
 void LLMessageSystem::sanityCheck()
 {
-        if (!mCurrentRMessageData)
-        {
-                llerrs << "mCurrentRMessageData is NULL" << llendl;
-        }
+// TODO: babbage: reinstate
 
-        if (!mCurrentRMessageTemplate)
-        {
-                llerrs << "mCurrentRMessageTemplate is NULL" << llendl;
-        }
+//      if (!mCurrentRMessageData)
+//      {
+//              llerrs << "mCurrentRMessageData is NULL" << llendl;
+//      }
+
+//      if (!mCurrentRMessageTemplate)
+//      {
+//              llerrs << "mCurrentRMessageTemplate is NULL" << llendl;
+//      }
 
 //      if (!mCurrentRTemplateBlock)
 //      {
@@ -3772,25 +2347,25 @@ void LLMessageSystem::sanityCheck()
 //              llerrs << "mCurrentRDataBlock is NULL" << llendl;
 //      }
 
-        if (!mCurrentSMessageData)
-        {
-                llerrs << "mCurrentSMessageData is NULL" << llendl;
-        }
+//      if (!mCurrentSMessageData)
+//      {
+//              llerrs << "mCurrentSMessageData is NULL" << llendl;
+//      }
 
-        if (!mCurrentSMessageTemplate)
-        {
-                llerrs << "mCurrentSMessageTemplate is NULL" << llendl;
-        }
+//      if (!mCurrentSMessageTemplate)
+//      {
+//              llerrs << "mCurrentSMessageTemplate is NULL" << llendl;
+//      }
 
 //      if (!mCurrentSTemplateBlock)
 //      {
 //              llerrs << "mCurrentSTemplateBlock is NULL" << llendl;
 //      }
 
-        if (!mCurrentSDataBlock)
-        {
-                llerrs << "mCurrentSDataBlock is NULL" << llendl;
-        }
+//      if (!mCurrentSDataBlock)
+//      {
+//              llerrs << "mCurrentSDataBlock is NULL" << llendl;
+//      }
 }
 
 void LLMessageSystem::showCircuitInfo()
@@ -4176,7 +2751,8 @@ bool LLMessageSystem::addCircuitCode(U32 code, const LLUUID& session_id)
 //}
 
 // static
-void LLMessageSystem::processUseCircuitCode(LLMessageSystem* msg, void**)
+void LLMessageSystem::processUseCircuitCode(LLMessageSystem* msg,
+                                                                                        void** user)
 {
         U32 circuit_code_in;
         msg->getU32Fast(_PREHASH_CircuitCode, _PREHASH_Code, circuit_code_in);
@@ -4296,6 +2872,13 @@ void LLMessageSystem::processUseCircuitCode(LLMessageSystem* msg, void**)
                 llinfos << "Circuit code " << circuit_code_in << " from "
                                 << msg->getSender() << " for agent " << id << " in session "
                                 << session_id << llendl;
+
+                const LLUseCircuitCodeResponder* responder =
+                        (const LLUseCircuitCodeResponder*) user;
+                if(responder)
+                {
+                        responder->complete(msg->getSender(), id);
+                }
         }
         else
         {
@@ -4303,7 +2886,50 @@ void LLMessageSystem::processUseCircuitCode(LLMessageSystem* msg, void**)
         }
 }
 
+static LLHTTPNode& messageRootNode()
+{
+        static LLHTTPNode root_node;
+        static bool initialized = false;
+        if (!initialized) {
+                initialized = true;
+                LLHTTPRegistrar::buildAllServices(root_node);
+        }
+
+        return root_node;
+}
 
+//static
+void LLMessageSystem::dispatch(const std::string& msg_name,
+                                                                const LLSD& message)
+{
+        LLPointer<LLSimpleResponse>     responsep =     LLSimpleResponse::create();
+        dispatch(msg_name, message, responsep);
+}
+
+//static
+void LLMessageSystem::dispatch(const std::string& msg_name,
+                                                                const LLSD& message,
+                                                           LLHTTPNode::ResponsePtr responsep)
+{
+        if (msg_name.empty())
+        {
+                llwarns << "LLMessageService::dispatch called with no message name"
+                                << llendl;
+                return;
+        }
+        
+        std::string     path = "/message/" + msg_name;
+        LLSD context;
+        const LLHTTPNode* handler =     messageRootNode().traverse(path, context);
+        if (!handler)
+        {
+                llwarns << "LLMessageService::dispatch > no handler for "
+                                << path << llendl;
+                return;
+        }
+
+        handler->post(responsep, context, message);
+}
 
 static void check_for_unrecognized_messages(
                 const char* type,
@@ -4535,76 +3161,6 @@ void process_deny_trusted_circuit(LLMessageSystem *msg, void **)
         msg->sendCreateTrustedCircuit(msg->getSender(), local_id, remote_id);
 }
 
-#define LL_ENCRYPT_BUF_LENGTH   16384
-
-void encrypt_template(const char *src_name, const char *dest_name)
-{
-        // encrypt and decrypt are symmetric
-        decrypt_template(src_name, dest_name);
-}
-
-BOOL decrypt_template(const char *src_name, const char *dest_name)
-{
-        S32 buf_length = LL_ENCRYPT_BUF_LENGTH;
-        char buf[LL_ENCRYPT_BUF_LENGTH];        /* Flawfinder: ignore */
-        
-        FILE* infp = NULL;
-        FILE* outfp = NULL;
-        BOOL success = FALSE;
-        char* bufp = NULL;
-        U32 key = 0;
-        S32 more_data = 0;
-
-        if(src_name==NULL)
-        {
-                 llwarns << "Input src_name is NULL!!" << llendl;
-                 goto exit;
-        }
-
-        infp = LLFile::fopen(src_name,"rb");    /* Flawfinder: ignore */
-        if (!infp)
-        {
-                llwarns << "could not open " << src_name << " for reading" << llendl;
-                goto exit;
-        }
-
-        if(dest_name==NULL)
-        {
-                 llwarns << "Output dest_name is NULL!!" << llendl;
-                 goto exit;
-        }
-
-        outfp = LLFile::fopen(dest_name,"w+b"); /* Flawfinder: ignore */
-        if (!outfp)
-        {
-                llwarns << "could not open " << src_name << " for writing" << llendl;
-                goto exit;
-        }
-
-        while ((buf_length = (S32)fread(buf,1,LL_ENCRYPT_BUF_LENGTH,infp)))
-        {
-                // unscrozzle bits here
-                bufp = buf;
-                more_data = buf_length;
-                while (more_data--)
-                {
-                        *bufp = *bufp ^ ((key * 43) % 256);
-                        key++;
-                        bufp++;
-                }
-
-                if(buf_length != (S32)fwrite(buf,1,buf_length,outfp))
-                {
-                        goto exit;
-                }
-        }
-        success = TRUE;
-
- exit:
-        if(infp) fclose(infp);
-        if(outfp) fclose(outfp);
-        return success;
-}
 
 void dump_prehash_files()
 {
@@ -4688,7 +3244,8 @@ BOOL start_messaging_system(
         S32 version_minor,
         S32 version_patch,
         BOOL b_dump_prehash_file,
-        const std::string& secret)
+        const std::string& secret,
+        const LLUseCircuitCodeResponder* responder)
 {
         gMessageSystem = new LLMessageSystem(
                 template_name.c_str(),
@@ -4737,7 +3294,7 @@ BOOL start_messaging_system(
         //gMessageSystem->setHandlerFuncFast(_PREHASH_AssignCircuitCode, LLMessageSystem::processAssignCircuitCode);       
         gMessageSystem->setHandlerFuncFast(_PREHASH_AddCircuitCode, LLMessageSystem::processAddCircuitCode);
         //gMessageSystem->setHandlerFuncFast(_PREHASH_AckAddCircuitCode,                ack_add_circuit_code,           NULL);
-        gMessageSystem->setHandlerFuncFast(_PREHASH_UseCircuitCode, LLMessageSystem::processUseCircuitCode);
+        gMessageSystem->setHandlerFuncFast(_PREHASH_UseCircuitCode, LLMessageSystem::processUseCircuitCode, (void**)responder);
         gMessageSystem->setHandlerFuncFast(_PREHASH_PacketAck,             process_packet_ack,      NULL);
         gMessageSystem->setHandlerFuncFast(_PREHASH_TemplateChecksumRequest,  process_template_checksum_request,        NULL);
         gMessageSystem->setHandlerFuncFast(_PREHASH_SecuredTemplateChecksumRequest,  process_secured_template_checksum_request, NULL);
@@ -4790,75 +3347,75 @@ void LLMessageSystem::summarizeLogs(std::ostream& str)
         char tmp_str[MAX_STRING];        /* Flawfinder: ignore */ 
         F32 run_time = mMessageSystemTimer.getElapsedTimeF32();
         str << "START MESSAGE LOG SUMMARY" << std::endl;
-        snprintf(buffer, MAX_STRING, "Run time: %12.3f seconds", run_time);     /* Flawfinder: ignore */ 
+        snprintf(buffer, MAX_STRING, "Run time: %12.3f seconds", run_time);     /* Flawfinder: ignore */
 
         // Incoming
         str << buffer << std::endl << "Incoming:" << std::endl;
         U64_to_str(mTotalBytesIn, tmp_str, sizeof(tmp_str));
-        snprintf(buffer, MAX_STRING, "Total bytes received:      %20s (%5.2f kbits per second)", tmp_str, ((F32)mTotalBytesIn * 0.008f) / run_time);    /* Flawfinder: ignore */ 
+        snprintf(buffer, MAX_STRING, "Total bytes received:      %20s (%5.2f kbits per second)", tmp_str, ((F32)mTotalBytesIn * 0.008f) / run_time);    /* Flawfinder: ignore */
         str << buffer << std::endl;
         U64_to_str(mPacketsIn, tmp_str, sizeof(tmp_str));
-        snprintf(buffer, MAX_STRING, "Total packets received:    %20s (%5.2f packets per second)", tmp_str, ((F32) mPacketsIn / run_time));     /* Flawfinder: ignore */ 
+        snprintf(buffer, MAX_STRING, "Total packets received:    %20s (%5.2f packets per second)", tmp_str, ((F32) mPacketsIn / run_time));     /* Flawfinder: ignore */
         str << buffer << std::endl;
-        snprintf(buffer, MAX_STRING, "Average packet size:       %20.0f bytes", (F32)mTotalBytesIn / (F32)mPacketsIn);  /* Flawfinder: ignore */ 
+        snprintf(buffer, MAX_STRING, "Average packet size:       %20.0f bytes", (F32)mTotalBytesIn / (F32)mPacketsIn);  /* Flawfinder: ignore */
         str << buffer << std::endl;
         U64_to_str(mReliablePacketsIn, tmp_str, sizeof(tmp_str));
-        snprintf(buffer, MAX_STRING, "Total reliable packets:    %20s (%5.2f%%)", tmp_str, 100.f * ((F32) mReliablePacketsIn)/((F32) mPacketsIn + 1));  /* Flawfinder: ignore */ 
+        snprintf(buffer, MAX_STRING, "Total reliable packets:    %20s (%5.2f%%)", tmp_str, 100.f * ((F32) mReliablePacketsIn)/((F32) mPacketsIn + 1));          /* Flawfinder: ignore */
         str << buffer << std::endl;
         U64_to_str(mCompressedPacketsIn, tmp_str, sizeof(tmp_str));
-        snprintf(buffer, MAX_STRING, "Total compressed packets:  %20s (%5.2f%%)", tmp_str, 100.f * ((F32) mCompressedPacketsIn)/((F32) mPacketsIn + 1));        /* Flawfinder: ignore */ 
+        snprintf(buffer, MAX_STRING, "Total compressed packets:  %20s (%5.2f%%)", tmp_str, 100.f * ((F32) mCompressedPacketsIn)/((F32) mPacketsIn + 1));        /* Flawfinder: ignore */
         str << buffer << std::endl;
         S64 savings = mUncompressedBytesIn - mCompressedBytesIn;
         U64_to_str(savings, tmp_str, sizeof(tmp_str));
-        snprintf(buffer, MAX_STRING, "Total compression savings: %20s bytes", tmp_str); /* Flawfinder: ignore */ 
+        snprintf(buffer, MAX_STRING, "Total compression savings: %20s bytes", tmp_str); /* Flawfinder: ignore */
         str << buffer << std::endl;
         U64_to_str(savings/(mCompressedPacketsIn +1), tmp_str, sizeof(tmp_str));
-        snprintf(buffer, MAX_STRING, "Avg comp packet savings:   %20s (%5.2f : 1)", tmp_str, ((F32) mUncompressedBytesIn)/((F32) mCompressedBytesIn+1));        /* Flawfinder: ignore */ 
+        snprintf(buffer, MAX_STRING, "Avg comp packet savings:   %20s (%5.2f : 1)", tmp_str, ((F32) mUncompressedBytesIn)/((F32) mCompressedBytesIn+1));        /* Flawfinder: ignore */
         str << buffer << std::endl;
         U64_to_str(savings/(mPacketsIn+1), tmp_str, sizeof(tmp_str));
-        snprintf(buffer, MAX_STRING, "Avg overall comp savings:  %20s (%5.2f : 1)", tmp_str, ((F32) mTotalBytesIn + (F32) savings)/((F32) mTotalBytesIn + 1.f));        /* Flawfinder: ignore */ 
+        snprintf(buffer, MAX_STRING, "Avg overall comp savings:  %20s (%5.2f : 1)", tmp_str, ((F32) mTotalBytesIn + (F32) savings)/((F32) mTotalBytesIn + 1.f));        /* Flawfinder: ignore */
 
         // Outgoing
         str << buffer << std::endl << std::endl << "Outgoing:" << std::endl;
         U64_to_str(mTotalBytesOut, tmp_str, sizeof(tmp_str));
-        snprintf(buffer, MAX_STRING, "Total bytes sent:          %20s (%5.2f kbits per second)", tmp_str, ((F32)mTotalBytesOut * 0.008f) / run_time );  /* Flawfinder: ignore */ 
+        snprintf(buffer, MAX_STRING, "Total bytes sent:          %20s (%5.2f kbits per second)", tmp_str, ((F32)mTotalBytesOut * 0.008f) / run_time );  /* Flawfinder: ignore */
         str << buffer << std::endl;
         U64_to_str(mPacketsOut, tmp_str, sizeof(tmp_str));
-        snprintf(buffer, MAX_STRING, "Total packets sent:        %20s (%5.2f packets per second)", tmp_str, ((F32)mPacketsOut / run_time));     /* Flawfinder: ignore */ 
+        snprintf(buffer, MAX_STRING, "Total packets sent:        %20s (%5.2f packets per second)", tmp_str, ((F32)mPacketsOut / run_time));     /* Flawfinder: ignore */
         str << buffer << std::endl;
-        snprintf(buffer, MAX_STRING, "Average packet size:       %20.0f bytes", (F32)mTotalBytesOut / (F32)mPacketsOut);        /* Flawfinder: ignore */ 
+        snprintf(buffer, MAX_STRING, "Average packet size:       %20.0f bytes", (F32)mTotalBytesOut / (F32)mPacketsOut);        /* Flawfinder: ignore */
         str << buffer << std::endl;
         U64_to_str(mReliablePacketsOut, tmp_str, sizeof(tmp_str));
-        snprintf(buffer, MAX_STRING, "Total reliable packets:    %20s (%5.2f%%)", tmp_str, 100.f * ((F32) mReliablePacketsOut)/((F32) mPacketsOut + 1));                /* Flawfinder: ignore */ 
+        snprintf(buffer, MAX_STRING, "Total reliable packets:    %20s (%5.2f%%)", tmp_str, 100.f * ((F32) mReliablePacketsOut)/((F32) mPacketsOut + 1));                /* Flawfinder: ignore */
         str << buffer << std::endl;
         U64_to_str(mCompressedPacketsOut, tmp_str, sizeof(tmp_str));
-        snprintf(buffer, MAX_STRING, "Total compressed packets:  %20s (%5.2f%%)", tmp_str, 100.f * ((F32) mCompressedPacketsOut)/((F32) mPacketsOut + 1));      /* Flawfinder: ignore */ 
+        snprintf(buffer, MAX_STRING, "Total compressed packets:  %20s (%5.2f%%)", tmp_str, 100.f * ((F32) mCompressedPacketsOut)/((F32) mPacketsOut + 1));              /* Flawfinder: ignore */
         str << buffer << std::endl;
         savings = mUncompressedBytesOut - mCompressedBytesOut;
         U64_to_str(savings, tmp_str, sizeof(tmp_str));
-        snprintf(buffer, MAX_STRING, "Total compression savings: %20s bytes", tmp_str); /* Flawfinder: ignore */ 
+        snprintf(buffer, MAX_STRING, "Total compression savings: %20s bytes", tmp_str); /* Flawfinder: ignore */
         str << buffer << std::endl;
         U64_to_str(savings/(mCompressedPacketsOut +1), tmp_str, sizeof(tmp_str));
-        snprintf(buffer, MAX_STRING, "Avg comp packet savings:   %20s (%5.2f : 1)", tmp_str, ((F32) mUncompressedBytesOut)/((F32) mCompressedBytesOut+1));      /* Flawfinder: ignore */ 
+        snprintf(buffer, MAX_STRING, "Avg comp packet savings:   %20s (%5.2f : 1)", tmp_str, ((F32) mUncompressedBytesOut)/((F32) mCompressedBytesOut+1));              /* Flawfinder: ignore */
         str << buffer << std::endl;
         U64_to_str(savings/(mPacketsOut+1), tmp_str, sizeof(tmp_str));
-        snprintf(buffer, MAX_STRING, "Avg overall comp savings:  %20s (%5.2f : 1)", tmp_str, ((F32) mTotalBytesOut + (F32) savings)/((F32) mTotalBytesOut + 1.f));      /* Flawfinder: ignore */ 
+        snprintf(buffer, MAX_STRING, "Avg overall comp savings:  %20s (%5.2f : 1)", tmp_str, ((F32) mTotalBytesOut + (F32) savings)/((F32) mTotalBytesOut + 1.f));              /* Flawfinder: ignore */
         str << buffer << std::endl << std::endl;
-        snprintf(buffer, MAX_STRING, "SendPacket failures:       %20d", mSendPacketFailureCount);       /* Flawfinder: ignore */ 
+        snprintf(buffer, MAX_STRING, "SendPacket failures:       %20d", mSendPacketFailureCount);       /* Flawfinder: ignore */
         str << buffer << std::endl;
-        snprintf(buffer, MAX_STRING, "Dropped packets:           %20d", mDroppedPackets);       /* Flawfinder: ignore */ 
+        snprintf(buffer, MAX_STRING, "Dropped packets:           %20d", mDroppedPackets);       /* Flawfinder: ignore */
         str << buffer << std::endl;
-        snprintf(buffer, MAX_STRING, "Resent packets:            %20d", mResentPackets);        /* Flawfinder: ignore */ 
+        snprintf(buffer, MAX_STRING, "Resent packets:            %20d", mResentPackets);        /* Flawfinder: ignore */
         str << buffer << std::endl;
-        snprintf(buffer, MAX_STRING, "Failed reliable resends:   %20d", mFailedResendPackets);  /* Flawfinder: ignore */ 
+        snprintf(buffer, MAX_STRING, "Failed reliable resends:   %20d", mFailedResendPackets);  /* Flawfinder: ignore */
         str << buffer << std::endl;
-        snprintf(buffer, MAX_STRING, "Off-circuit rejected packets: %17d", mOffCircuitPackets); /* Flawfinder: ignore */ 
+        snprintf(buffer, MAX_STRING, "Off-circuit rejected packets: %17d", mOffCircuitPackets); /* Flawfinder: ignore */
         str << buffer << std::endl;
-        snprintf(buffer, MAX_STRING, "On-circuit invalid packets:   %17d", mInvalidOnCircuitPackets);   /* Flawfinder: ignore */ 
+        snprintf(buffer, MAX_STRING, "On-circuit invalid packets:   %17d", mInvalidOnCircuitPackets);           /* Flawfinder: ignore */
         str << buffer << std::endl << std::endl;
 
         str << "Decoding: " << std::endl;
-        snprintf(buffer, MAX_STRING, "%35s%10s%10s%10s%10s", "Message", "Count", "Time", "Max", "Avg"); /* Flawfinder: ignore */ 
+        snprintf(buffer, MAX_STRING, "%35s%10s%10s%10s%10s", "Message", "Count", "Time", "Max", "Avg"); /* Flawfinder: ignore */
         str << buffer << std:: endl;    
         F32 avg;
         for (message_template_name_map_t::iterator iter = mMessageTemplates.begin(),
@@ -4869,7 +3426,7 @@ void LLMessageSystem::summarizeLogs(std::ostream& str)
                 if(mt->mTotalDecoded > 0)
                 {
                         avg = mt->mTotalDecodeTime / (F32)mt->mTotalDecoded;
-                        snprintf(buffer, MAX_STRING, "%35s%10u%10f%10f%10f", mt->mName, mt->mTotalDecoded, mt->mTotalDecodeTime, mt->mMaxDecodeTimePerMsg, avg);        /* Flawfinder: ignore */ 
+                        snprintf(buffer, MAX_STRING, "%35s%10u%10f%10f%10f", mt->mName, mt->mTotalDecoded, mt->mTotalDecodeTime, mt->mMaxDecodeTimePerMsg, avg);        /* Flawfinder: ignore */
                         str << buffer << std::endl;
                 }
         }
@@ -4957,13 +3514,13 @@ void LLMessageSystem::dumpReceiveCounts()
 
 BOOL LLMessageSystem::isClear() const
 {
-        return mbSClear;
+        return mMessageBuilder->isClear();
 }
 
 
 S32 LLMessageSystem::flush(const LLHost &host)
 {
-        if (mCurrentSendTotal)
+        if (mMessageBuilder->getMessageSize())
         {
                 S32 sentbytes = sendMessage(host);
                 clearMessage();
@@ -4980,91 +3537,22 @@ U32 LLMessageSystem::getListenPort( void ) const
         return mPort;
 }
 
-
-S32 LLMessageSystem::zeroCode(U8 **data, S32 *data_size)
+// TODO: babbage: remove this horror!
+S32 LLMessageSystem::zeroCodeAdjustCurrentSendTotal()
 {
-        S32 count = *data_size;
-        
-        S32 net_gain = 0;
-        U8 num_zeroes = 0;
-        
-        U8 *inptr = (U8 *)*data;
-        U8 *outptr = (U8 *)mEncodedSendBuffer;
-
-// skip the packet id field
-
-        for (U32 i=0;i<LL_PACKET_ID_SIZE;i++)
-        {
-                count--;
-                *outptr++ = *inptr++;
-        }
-
-// build encoded packet, keeping track of net size gain
-
-// sequential zero bytes are encoded as 0 [U8 count] 
-// with 0 0 [count] representing wrap (>256 zeroes)
-
-        while (count--)
+        if(mMessageBuilder == mLLSDMessageBuilder)
         {
-                if (!(*inptr))   // in a zero count
-                {
-                        if (num_zeroes)
-                        {
-                                if (++num_zeroes > 254)
-                                {
-                                        *outptr++ = num_zeroes;
-                                        num_zeroes = 0;
-                                }
-                                net_gain--;   // subseqent zeroes save one
-                        }
-                        else
-                        {
-                                *outptr++ = 0;
-                                net_gain++;  // starting a zero count adds one
-                                num_zeroes = 1;
-                        }
-                        inptr++;
-                }
-                else
-                {
-                        if (num_zeroes)
-                        {
-                                *outptr++ = num_zeroes;
-                                num_zeroes = 0;
-                        }
-                        *outptr++ = *inptr++;
-                }
-        }
-
-        if (num_zeroes)
-        {
-                *outptr++ = num_zeroes;
-        }
-
-        if (net_gain < 0)
-        {
-                mCompressedPacketsOut++;
-                mUncompressedBytesOut += *data_size;
-
-                *data = mEncodedSendBuffer;
-                *data_size += net_gain;
-                mEncodedSendBuffer[0] |= LL_ZERO_CODE_FLAG;          // set the head bit to indicate zero coding
-
-                mCompressedBytesOut += *data_size;
-
+                // babbage: don't compress LLSD messages, so delta is 0
+                return 0;
         }
-        mTotalBytesOut += *data_size;
-
-        return(net_gain);
-}
-
-S32 LLMessageSystem::zeroCodeAdjustCurrentSendTotal()
-{
-        if (!mbSBuilt)
+        
+        if (! mMessageBuilder->isBuilt())
         {
-                buildMessage();
+                mSendSize = mMessageBuilder->buildMessage(mSendBuffer,
+                                                                                                  MAX_BUFFER_SIZE);
         }
-        mbSBuilt = FALSE;
+        // TODO: babbage: remove this horror
+        mMessageBuilder->setBuilt(FALSE);
 
         S32 count = mSendSize;
         
@@ -5244,7 +3732,6 @@ void LLMessageSystem::setHandlerFuncFast(const char *name, void (*handler_func)(
         }
 }
 
-
 bool LLMessageSystem::callHandler(const char *name,
                 bool trustedSource, LLMessageSystem* msg)
 {
@@ -5297,6 +3784,12 @@ BOOL LLMessageSystem::callExceptionFunc(EMessageException exception)
         return FALSE;
 }
 
+void LLMessageSystem::setTimingFunc(msg_timing_callback func, void* data)
+{
+        mTimingCallback = func;
+        mTimingCallbackData = data;
+}
+
 BOOL LLMessageSystem::isCircuitCodeKnown(U32 code) const
 {
         if(mCircuitCodes.find(code) == mCircuitCodes.end())
@@ -5306,27 +3799,14 @@ BOOL LLMessageSystem::isCircuitCodeKnown(U32 code) const
 
 BOOL LLMessageSystem::isMessageFast(const char *msg)
 {
-        if (mCurrentRMessageTemplate)
-        {
-                return(msg == mCurrentRMessageTemplate->mName);
-        }
-        else
-        {
-                return FALSE;
-        }
+        return(msg == mMessageReader->getMessageName());
 }
 
 
 char* LLMessageSystem::getMessageName()
 {
-        if (mCurrentRMessageTemplate)
-        {
-                return mCurrentRMessageTemplate->mName;
-        }
-        else
-        {
-                return NULL;
-        }
+        const char* name = mMessageReader->getMessageName();
+        return name[0] == '\0'? NULL : const_cast<char*>(name);
 }
 
 const LLUUID& LLMessageSystem::getSenderID() const
@@ -5350,211 +3830,6 @@ const LLUUID& LLMessageSystem::getSenderSessionID() const
         return LLUUID::null;
 }
 
-void LLMessageSystem::addVector3Fast(const char *varname, const LLVector3& vec)
-{
-        addDataFast(varname, vec.mV, MVT_LLVector3, sizeof(vec.mV));
-}
-
-void LLMessageSystem::addVector3(const char *varname, const LLVector3& vec)
-{
-        addDataFast(gMessageStringTable.getString(varname), vec.mV, MVT_LLVector3, sizeof(vec.mV));
-}
-
-void LLMessageSystem::addVector4Fast(const char *varname, const LLVector4& vec)
-{
-        addDataFast(varname, vec.mV, MVT_LLVector4, sizeof(vec.mV));
-}
-
-void LLMessageSystem::addVector4(const char *varname, const LLVector4& vec)
-{
-        addDataFast(gMessageStringTable.getString(varname), vec.mV, MVT_LLVector4, sizeof(vec.mV));
-}
-
-
-void LLMessageSystem::addVector3dFast(const char *varname, const LLVector3d& vec)
-{
-        addDataFast(varname, vec.mdV, MVT_LLVector3d, sizeof(vec.mdV));
-}
-
-void LLMessageSystem::addVector3d(const char *varname, const LLVector3d& vec)
-{
-        addDataFast(gMessageStringTable.getString(varname), vec.mdV, MVT_LLVector3d, sizeof(vec.mdV));
-}
-
-
-void LLMessageSystem::addQuatFast(const char *varname, const LLQuaternion& quat)
-{
-        addDataFast(varname, quat.packToVector3().mV, MVT_LLQuaternion, sizeof(LLVector3));
-}
-
-void LLMessageSystem::addQuat(const char *varname, const LLQuaternion& quat)
-{
-        addDataFast(gMessageStringTable.getString(varname), quat.packToVector3().mV, MVT_LLQuaternion, sizeof(LLVector3));
-}
-
-
-void LLMessageSystem::addUUIDFast(const char *varname, const LLUUID& uuid)
-{
-        addDataFast(varname, uuid.mData, MVT_LLUUID, sizeof(uuid.mData));
-}
-
-void LLMessageSystem::addUUID(const char *varname, const LLUUID& uuid)
-{
-        addDataFast(gMessageStringTable.getString(varname), uuid.mData, MVT_LLUUID, sizeof(uuid.mData));
-}
-
-void LLMessageSystem::getF32Fast(const char *block, const char *var, F32 &d, S32 blocknum)
-{
-        getDataFast(block, var, &d, sizeof(F32), blocknum);
-
-        if( !llfinite( d ) )
-        {
-                llwarns << "non-finite in getF32Fast " << block << " " << var << llendl;
-                d = 0;
-        }
-}
-
-void LLMessageSystem::getF32(const char *block, const char *var, F32 &d, S32 blocknum)
-{
-        getDataFast(gMessageStringTable.getString(block), gMessageStringTable.getString(var), &d, sizeof(F32), blocknum);
-
-        if( !llfinite( d ) )
-        {
-                llwarns << "non-finite in getF32 " << block << " " << var << llendl;
-                d = 0;
-        }
-}
-
-void LLMessageSystem::getF64Fast(const char *block, const char *var, F64 &d, S32 blocknum)
-{
-        getDataFast(block, var, &d, sizeof(F64), blocknum);
-
-        if( !llfinite( d ) )
-        {
-                llwarns << "non-finite in getF64Fast " << block << " " << var << llendl;
-                d = 0;
-        }
-}
-
-void LLMessageSystem::getF64(const char *block, const char *var, F64 &d, S32 blocknum)
-{
-        getDataFast(gMessageStringTable.getString(block), gMessageStringTable.getString(var), &d, sizeof(F64), blocknum);
-
-        if( !llfinite( d ) )
-        {
-                llwarns << "non-finite in getF64 " << block << " " << var << llendl;
-                d = 0;
-        }
-}
-
-
-void LLMessageSystem::getVector3Fast(const char *block, const char *var, LLVector3 &v, S32 blocknum )
-{
-        getDataFast(block, var, v.mV, sizeof(v.mV), blocknum);
-
-        if( !v.isFinite() )
-        {
-                llwarns << "non-finite in getVector3Fast " << block << " " << var << llendl;
-                v.zeroVec();
-        }
-}
-
-void LLMessageSystem::getVector3(const char *block, const char *var, LLVector3 &v, S32 blocknum )
-{
-        getDataFast(gMessageStringTable.getString(block), gMessageStringTable.getString(var), v.mV, sizeof(v.mV), blocknum);
-
-        if( !v.isFinite() )
-        {
-                llwarns << "non-finite in getVector4 " << block << " " << var << llendl;
-                v.zeroVec();
-        }
-}
-
-void LLMessageSystem::getVector4Fast(const char *block, const char *var, LLVector4 &v, S32 blocknum )
-{
-        getDataFast(block, var, v.mV, sizeof(v.mV), blocknum);
-
-        if( !v.isFinite() )
-        {
-                llwarns << "non-finite in getVector4Fast " << block << " " << var << llendl;
-                v.zeroVec();
-        }
-}
-
-void LLMessageSystem::getVector4(const char *block, const char *var, LLVector4 &v, S32 blocknum )
-{
-        getDataFast(gMessageStringTable.getString(block), gMessageStringTable.getString(var), v.mV, sizeof(v.mV), blocknum);
-
-        if( !v.isFinite() )
-        {
-                llwarns << "non-finite in getVector3 " << block << " " << var << llendl;
-                v.zeroVec();
-        }
-}
-
-void LLMessageSystem::getVector3dFast(const char *block, const char *var, LLVector3d &v, S32 blocknum )
-{
-        getDataFast(block, var, v.mdV, sizeof(v.mdV), blocknum);
-
-        if( !v.isFinite() )
-        {
-                llwarns << "non-finite in getVector3dFast " << block << " " << var << llendl;
-                v.zeroVec();
-        }
-
-}
-
-void LLMessageSystem::getVector3d(const char *block, const char *var, LLVector3d &v, S32 blocknum )
-{
-        getDataFast(gMessageStringTable.getString(block), gMessageStringTable.getString(var), v.mdV, sizeof(v.mdV), blocknum);
-
-        if( !v.isFinite() )
-        {
-                llwarns << "non-finite in getVector3d " << block << " " << var << llendl;
-                v.zeroVec();
-        }
-}
-
-void LLMessageSystem::getQuatFast(const char *block, const char *var, LLQuaternion &q, S32 blocknum )
-{
-        LLVector3 vec;
-        getDataFast(block, var, vec.mV, sizeof(vec.mV), blocknum);
-        if( vec.isFinite() )
-        {
-                q.unpackFromVector3( vec );
-        }
-        else
-        {
-                llwarns << "non-finite in getQuatFast " << block << " " << var << llendl;
-                q.loadIdentity();
-        }
-}
-
-void LLMessageSystem::getQuat(const char *block, const char *var, LLQuaternion &q, S32 blocknum )
-{
-        LLVector3 vec;
-        getDataFast(gMessageStringTable.getString(block), gMessageStringTable.getString(var), vec.mV, sizeof(vec.mV), blocknum);
-        if( vec.isFinite() )
-        {
-                q.unpackFromVector3( vec );
-        }
-        else
-        {
-                llwarns << "non-finite in getQuat " << block << " " << var << llendl;
-                q.loadIdentity();
-        }
-}
-
-void LLMessageSystem::getUUIDFast(const char *block, const char *var, LLUUID &u, S32 blocknum )
-{
-        getDataFast(block, var, u.mData, sizeof(u.mData), blocknum);
-}
-
-void LLMessageSystem::getUUID(const char *block, const char *var, LLUUID &u, S32 blocknum )
-{
-        getDataFast(gMessageStringTable.getString(block), gMessageStringTable.getString(var), u.mData, sizeof(u.mData), blocknum);
-}
-
 bool LLMessageSystem::generateDigestForNumberAndUUIDs(
         char* digest,
         const U32 number,
@@ -5584,7 +3859,7 @@ bool LLMessageSystem::generateDigestForNumberAndUUIDs(
 
         d.update((const unsigned char *) colon, (U32)strlen(colon));    /* Flawfinder: ignore */ 
         
-        snprintf(tbuf, sizeof(tbuf),"%i", number);      /* Flawfinder: ignore */ 
+        snprintf(tbuf, sizeof(tbuf),"%i", number);              /* Flawfinder: ignore */
         d.update((unsigned char *) tbuf, (U32)strlen(tbuf));    /* Flawfinder: ignore */ 
         
         d.update((const unsigned char *) colon, (U32)strlen(colon));    /* Flawfinder: ignore */ 
@@ -5843,7 +4118,7 @@ void LLMessageSystem::dumpPacketToLog()
         S32 cur_line = 0;
         for (i = 0; i < mTrueReceiveSize; i++)
         {
-                snprintf(line_buffer + cur_line_pos*3, sizeof(line_buffer),"%02x ", mTrueReceiveBuffer[i]);     /* Flawfinder: ignore */ 
+                snprintf(line_buffer + cur_line_pos*3, sizeof(line_buffer),"%02x ", mTrueReceiveBuffer[i]);     /* Flawfinder: ignore */
                 cur_line_pos++;
                 if (cur_line_pos >= 16)
                 {
@@ -5859,6 +4134,121 @@ void LLMessageSystem::dumpPacketToLog()
 }
 
 //static
+BOOL LLMessageSystem::isTemplateConfirmed()
+{
+        return gMessageSystem->mTemplateConfirmed;
+}
+
+//static
+BOOL LLMessageSystem::doesTemplateMatch()
+{
+        if (!isTemplateConfirmed())
+        {
+                return FALSE;
+        }
+        return gMessageSystem->mTemplateMatches;
+}
+
+//static
+void LLMessageSystem::sendMessageTemplateChecksum(const LLHost &currentHost)
+{
+        gMessageSystem->mTemplateConfirmed = FALSE;
+        gMessageSystem->mTemplateMatches = FALSE;
+        gMessageSystem->newMessageFast(_PREHASH_TemplateChecksumRequest);
+        // Don't use ping-based retry
+        gMessageSystem->sendReliable(currentHost, 40, FALSE, 3, NULL, NULL);
+}
+
+//static
+void LLMessageSystem::processMessageTemplateChecksumReply(LLMessageSystem *msg,
+                                                                                                                  void** user_data)
+{
+        U32 remote_template_checksum = 0;
+        msg->getU32Fast(_PREHASH_DataBlock, _PREHASH_Checksum, remote_template_checksum);       
+        msg->mTemplateConfirmed = TRUE;
+        if ((remote_template_checksum) != msg->mMessageFileChecksum)
+        {
+                llwarns << "out of sync message template!" << llendl;
+                
+                msg->mTemplateMatches = FALSE;
+                msg->newMessageFast(_PREHASH_CloseCircuit);
+                msg->sendMessage(msg->getSender());
+                return;
+        }
+
+        msg->mTemplateMatches = TRUE;
+        llinfos << "According to " << msg->getSender()
+                        << " the message template is current!"
+                        << llendl;
+}
+
+//static
+void LLMessageSystem::sendSecureMessageTemplateChecksum(const LLHost& host)
+{
+        // generate an token for use during template checksum requests to
+        // prevent DOS attacks from injected bad template checksum replies.
+        LLUUID *template_tokenp = new LLUUID;
+        template_tokenp->generate();
+        lldebugs << "random token: " << *template_tokenp << llendl;
+
+        // register the handler for the reply while saving off template_token
+        gMessageSystem->setHandlerFuncFast(_PREHASH_TemplateChecksumReply,
+                                                        LLMessageSystem::processSecureTemplateChecksumReply,
+                                                        (void**)template_tokenp);
+
+        // send checksum request
+        gMessageSystem->mTemplateConfirmed = FALSE;
+        gMessageSystem->newMessageFast(_PREHASH_SecuredTemplateChecksumRequest);
+        gMessageSystem->nextBlockFast(_PREHASH_TokenBlock);
+        gMessageSystem->addUUIDFast(_PREHASH_Token, *template_tokenp);
+        gMessageSystem->sendReliable(host);
+}
+
+//static
+void LLMessageSystem::processSecureTemplateChecksumReply(LLMessageSystem *msg,
+                                                                                                                 void** user_data)
+{
+        // copy the token out into the stack and delete allocated memory
+        LLUUID template_token = *((LLUUID*)user_data);
+        delete user_data;
+
+        LLUUID received_token;
+        msg->getUUID("TokenBlock", "Token", received_token);
+
+        if(received_token != template_token)
+        {
+                llwarns << "Incorrect token in template checksum reply: "
+                                << received_token << llendl;
+                //return do_normal_idle;
+                return;
+        }
+
+        U32 remote_template_checksum = 0;
+        U8 major_version = 0;
+        U8 minor_version = 0;
+        U8 patch_version = 0;
+        U8 server_version = 0;
+        U32 flags = 0x0;
+        msg->getU32("DataBlock", "Checksum", remote_template_checksum);
+        msg->getU8 ("DataBlock", "MajorVersion", major_version);
+        msg->getU8 ("DataBlock", "MinorVersion", minor_version);
+        msg->getU8 ("DataBlock", "PatchVersion", patch_version);
+        msg->getU8 ("DataBlock", "ServerVersion", server_version);
+        msg->getU32("DataBlock", "Flags", flags);
+
+        msg->mTemplateConfirmed = TRUE;
+        if (remote_template_checksum != gMessageSystem->mMessageFileChecksum)
+        {
+                llinfos << "Message template out of sync" << llendl;
+                msg->mTemplateMatches = FALSE;
+        }
+        else
+        {
+                msg->mTemplateMatches = TRUE;
+        }
+}
+
+//static
 U64 LLMessageSystem::getMessageTimeUsecs(const BOOL update)
 {
         if (gMessageSystem)
@@ -5903,3 +4293,558 @@ std::string get_shared_secret()
         return g_shared_secret;
 }
 
+typedef std::map<const char*, LLMessageBuilder*> BuilderMap;
+
+static void setBuilder(BuilderMap& map, const char* name, LLMessageBuilder* builder)
+{
+        map[gMessageStringTable.getString(name)] = builder;
+}
+
+void LLMessageSystem::newMessageFast(const char *name)
+{
+        if(LLMessageConfig::isMessageBuiltTemplate(name))
+        {
+                mMessageBuilder = mTemplateMessageBuilder;
+        }
+        else
+        {
+                mMessageBuilder = mLLSDMessageBuilder;
+        }
+        mSendReliable = FALSE;
+        mMessageBuilder->newMessage(name);
+}
+        
+void LLMessageSystem::newMessage(const char *name)
+{
+        newMessageFast(gMessageStringTable.getString(name));
+}
+
+void LLMessageSystem::addBinaryDataFast(const char *varname, const void *data, S32 size)
+{
+        mMessageBuilder->addBinaryData(varname, data, size);
+}
+
+void LLMessageSystem::addBinaryData(const char *varname, const void *data, S32 size)
+{
+        mMessageBuilder->addBinaryData(gMessageStringTable.getString(varname),data, size);
+}
+
+void LLMessageSystem::addS8Fast(const char *varname, S8 v)
+{
+        mMessageBuilder->addS8(varname, v);
+}
+
+void LLMessageSystem::addS8(const char *varname, S8 v)
+{
+        mMessageBuilder->addS8(gMessageStringTable.getString(varname), v);
+}
+
+void LLMessageSystem::addU8Fast(const char *varname, U8 v)
+{
+        mMessageBuilder->addU8(varname, v);
+}
+
+void LLMessageSystem::addU8(const char *varname, U8 v)
+{
+        mMessageBuilder->addU8(gMessageStringTable.getString(varname), v);
+}
+
+void LLMessageSystem::addS16Fast(const char *varname, S16 v)
+{
+        mMessageBuilder->addS16(varname, v);
+}
+
+void LLMessageSystem::addS16(const char *varname, S16 v)
+{
+        mMessageBuilder->addS16(gMessageStringTable.getString(varname), v);
+}
+
+void LLMessageSystem::addU16Fast(const char *varname, U16 v)
+{
+        mMessageBuilder->addU16(varname, v);
+}
+
+void LLMessageSystem::addU16(const char *varname, U16 v)
+{
+        mMessageBuilder->addU16(gMessageStringTable.getString(varname), v);
+}
+
+void LLMessageSystem::addF32Fast(const char *varname, F32 v)
+{
+        mMessageBuilder->addF32(varname, v);
+}
+
+void LLMessageSystem::addF32(const char *varname, F32 v)
+{
+        mMessageBuilder->addF32(gMessageStringTable.getString(varname), v);
+}
+
+void LLMessageSystem::addS32Fast(const char *varname, S32 v)
+{
+        mMessageBuilder->addS32(varname, v);
+}
+
+void LLMessageSystem::addS32(const char *varname, S32 v)
+{
+        mMessageBuilder->addS32(gMessageStringTable.getString(varname), v);
+}
+
+void LLMessageSystem::addU32Fast(const char *varname, U32 v)
+{
+        mMessageBuilder->addU32(varname, v);
+}
+
+void LLMessageSystem::addU32(const char *varname, U32 v)
+{
+        mMessageBuilder->addU32(gMessageStringTable.getString(varname), v);
+}
+
+void LLMessageSystem::addU64Fast(const char *varname, U64 v)
+{
+        mMessageBuilder->addU64(varname, v);
+}
+
+void LLMessageSystem::addU64(const char *varname, U64 v)
+{
+        mMessageBuilder->addU64(gMessageStringTable.getString(varname), v);
+}
+
+void LLMessageSystem::addF64Fast(const char *varname, F64 v)
+{
+        mMessageBuilder->addF64(varname, v);
+}
+
+void LLMessageSystem::addF64(const char *varname, F64 v)
+{
+        mMessageBuilder->addF64(gMessageStringTable.getString(varname), v);
+}
+
+void LLMessageSystem::addIPAddrFast(const char *varname, U32 v)
+{
+        mMessageBuilder->addIPAddr(varname, v);
+}
+
+void LLMessageSystem::addIPAddr(const char *varname, U32 v)
+{
+        mMessageBuilder->addIPAddr(gMessageStringTable.getString(varname), v);
+}
+
+void LLMessageSystem::addIPPortFast(const char *varname, U16 v)
+{
+        mMessageBuilder->addIPPort(varname, v);
+}
+
+void LLMessageSystem::addIPPort(const char *varname, U16 v)
+{
+        mMessageBuilder->addIPPort(gMessageStringTable.getString(varname), v);
+}
+
+void LLMessageSystem::addBOOLFast(const char* varname, BOOL v)
+{
+        mMessageBuilder->addBOOL(varname, v);
+}
+
+void LLMessageSystem::addBOOL(const char* varname, BOOL v)
+{
+        mMessageBuilder->addBOOL(gMessageStringTable.getString(varname), v);
+}
+
+void LLMessageSystem::addStringFast(const char* varname, const char* v)
+{
+        mMessageBuilder->addString(varname, v);
+}
+
+void LLMessageSystem::addString(const char* varname, const char* v)
+{
+        mMessageBuilder->addString(gMessageStringTable.getString(varname), v);
+}
+
+void LLMessageSystem::addStringFast(const char* varname, const std::string& v)
+{
+        mMessageBuilder->addString(varname, v);
+}
+
+void LLMessageSystem::addString(const char* varname, const std::string& v)
+{
+        mMessageBuilder->addString(gMessageStringTable.getString(varname), v);
+}
+
+void LLMessageSystem::addVector3Fast(const char *varname, const LLVector3& v)
+{
+        mMessageBuilder->addVector3(varname, v);
+}
+
+void LLMessageSystem::addVector3(const char *varname, const LLVector3& v)
+{
+        mMessageBuilder->addVector3(gMessageStringTable.getString(varname), v);
+}
+
+void LLMessageSystem::addVector4Fast(const char *varname, const LLVector4& v)
+{
+        mMessageBuilder->addVector4(varname, v);
+}
+
+void LLMessageSystem::addVector4(const char *varname, const LLVector4& v)
+{
+        mMessageBuilder->addVector4(gMessageStringTable.getString(varname), v);
+}
+
+void LLMessageSystem::addVector3dFast(const char *varname, const LLVector3d& v)
+{
+        mMessageBuilder->addVector3d(varname, v);
+}
+
+void LLMessageSystem::addVector3d(const char *varname, const LLVector3d& v)
+{
+        mMessageBuilder->addVector3d(gMessageStringTable.getString(varname), v);
+}
+
+void LLMessageSystem::addQuatFast(const char *varname, const LLQuaternion& v)
+{
+        mMessageBuilder->addQuat(varname, v);
+}
+
+void LLMessageSystem::addQuat(const char *varname, const LLQuaternion& v)
+{
+        mMessageBuilder->addQuat(gMessageStringTable.getString(varname), v);
+}
+
+
+void LLMessageSystem::addUUIDFast(const char *varname, const LLUUID& v)
+{
+        mMessageBuilder->addUUID(varname, v);
+}
+
+void LLMessageSystem::addUUID(const char *varname, const LLUUID& v)
+{
+        mMessageBuilder->addUUID(gMessageStringTable.getString(varname), v);
+}
+
+S32 LLMessageSystem::getCurrentSendTotal() const
+{
+        return mMessageBuilder->getMessageSize();
+}
+
+void LLMessageSystem::getS8Fast(const char *block, const char *var, S8 &u, 
+                                                                S32 blocknum)
+{
+        mMessageReader->getS8(block, var, u, blocknum);
+}
+
+void LLMessageSystem::getS8(const char *block, const char *var, S8 &u, 
+                                                        S32 blocknum)
+{
+        getS8Fast(gMessageStringTable.getString(block), 
+                          gMessageStringTable.getString(var), u, blocknum);
+}
+
+void LLMessageSystem::getU8Fast(const char *block, const char *var, U8 &u, 
+                                                                S32 blocknum)
+{
+        mMessageReader->getU8(block, var, u, blocknum);
+}
+
+void LLMessageSystem::getU8(const char *block, const char *var, U8 &u, 
+                                                        S32 blocknum)
+{
+        getU8Fast(gMessageStringTable.getString(block), 
+                                gMessageStringTable.getString(var), u, blocknum);
+}
+
+void LLMessageSystem::getBOOLFast(const char *block, const char *var, BOOL &b,
+                                                                  S32 blocknum)
+{
+        mMessageReader->getBOOL(block, var, b, blocknum);
+}
+
+void LLMessageSystem::getBOOL(const char *block, const char *var, BOOL &b, 
+                                                          S32 blocknum)
+{
+        getBOOLFast(gMessageStringTable.getString(block), 
+                                gMessageStringTable.getString(var), b, blocknum);
+}
+
+void LLMessageSystem::getS16Fast(const char *block, const char *var, S16 &d, 
+                                                                 S32 blocknum)
+{
+        mMessageReader->getS16(block, var, d, blocknum);
+}
+
+void LLMessageSystem::getS16(const char *block, const char *var, S16 &d, 
+                                                         S32 blocknum)
+{
+        getS16Fast(gMessageStringTable.getString(block), 
+                           gMessageStringTable.getString(var), d, blocknum);
+}
+
+void LLMessageSystem::getU16Fast(const char *block, const char *var, U16 &d, 
+                                                                 S32 blocknum)
+{
+        mMessageReader->getU16(block, var, d, blocknum);
+}
+
+void LLMessageSystem::getU16(const char *block, const char *var, U16 &d, 
+                                                         S32 blocknum)
+{
+        getU16Fast(gMessageStringTable.getString(block), 
+                           gMessageStringTable.getString(var), d, blocknum);
+}
+
+void LLMessageSystem::getS32Fast(const char *block, const char *var, S32 &d, 
+                                                                 S32 blocknum)
+{
+        mMessageReader->getS32(block, var, d, blocknum);
+}
+
+void LLMessageSystem::getS32(const char *block, const char *var, S32 &d, 
+                                                         S32 blocknum)
+{
+        getS32Fast(gMessageStringTable.getString(block), 
+                           gMessageStringTable.getString(var), d, blocknum);
+}
+
+void LLMessageSystem::getU32Fast(const char *block, const char *var, U32 &d, 
+                                                                 S32 blocknum)
+{
+        mMessageReader->getU32(block, var, d, blocknum);
+}
+
+void LLMessageSystem::getU32(const char *block, const char *var, U32 &d, 
+                                                         S32 blocknum)
+{
+        getU32Fast(gMessageStringTable.getString(block), 
+                                gMessageStringTable.getString(var), d, blocknum);
+}
+
+void LLMessageSystem::getU64Fast(const char *block, const char *var, U64 &d, 
+                                                                 S32 blocknum)
+{
+        mMessageReader->getU64(block, var, d, blocknum);
+}
+
+void LLMessageSystem::getU64(const char *block, const char *var, U64 &d, 
+                                                         S32 blocknum)
+{
+        
+        getU64Fast(gMessageStringTable.getString(block), 
+                           gMessageStringTable.getString(var), d, blocknum);
+}
+
+void LLMessageSystem::getBinaryDataFast(const char *blockname, 
+                                                                                const char *varname, 
+                                                                                void *datap, S32 size, 
+                                                                                S32 blocknum, S32 max_size)
+{
+        mMessageReader->getBinaryData(blockname, varname, datap, size, blocknum, 
+                                                                  max_size);
+}
+
+void LLMessageSystem::getBinaryData(const char *blockname, 
+                                                                        const char *varname, 
+                                                                        void *datap, S32 size, 
+                                                                        S32 blocknum, S32 max_size)
+{
+        getBinaryDataFast(gMessageStringTable.getString(blockname), 
+                                          gMessageStringTable.getString(varname), 
+                                          datap, size, blocknum, max_size);
+}
+
+void LLMessageSystem::getF32Fast(const char *block, const char *var, F32 &d, 
+                                                                 S32 blocknum)
+{
+        mMessageReader->getF32(block, var, d, blocknum);
+}
+
+void LLMessageSystem::getF32(const char *block, const char *var, F32 &d, 
+                                                         S32 blocknum)
+{
+        getF32Fast(gMessageStringTable.getString(block), 
+                           gMessageStringTable.getString(var), d, blocknum);
+}
+
+void LLMessageSystem::getF64Fast(const char *block, const char *var, F64 &d, 
+                                                                 S32 blocknum)
+{
+        mMessageReader->getF64(block, var, d, blocknum);
+}
+
+void LLMessageSystem::getF64(const char *block, const char *var, F64 &d, 
+                                                         S32 blocknum)
+{
+        getF64Fast(gMessageStringTable.getString(block), 
+                                gMessageStringTable.getString(var), d, blocknum);
+}
+
+
+void LLMessageSystem::getVector3Fast(const char *block, const char *var, 
+                                                                         LLVector3 &v, S32 blocknum )
+{
+        mMessageReader->getVector3(block, var, v, blocknum);
+}
+
+void LLMessageSystem::getVector3(const char *block, const char *var, 
+                                                                 LLVector3 &v, S32 blocknum )
+{
+        getVector3Fast(gMessageStringTable.getString(block), 
+                                   gMessageStringTable.getString(var), v, blocknum);
+}
+
+void LLMessageSystem::getVector4Fast(const char *block, const char *var, 
+                                                                         LLVector4 &v, S32 blocknum )
+{
+        mMessageReader->getVector4(block, var, v, blocknum);
+}
+
+void LLMessageSystem::getVector4(const char *block, const char *var, 
+                                                                 LLVector4 &v, S32 blocknum )
+{
+        getVector4Fast(gMessageStringTable.getString(block), 
+                                   gMessageStringTable.getString(var), v, blocknum);
+}
+
+void LLMessageSystem::getVector3dFast(const char *block, const char *var, 
+                                                                          LLVector3d &v, S32 blocknum )
+{
+        mMessageReader->getVector3d(block, var, v, blocknum);
+}
+
+void LLMessageSystem::getVector3d(const char *block, const char *var, 
+                                                                  LLVector3d &v, S32 blocknum )
+{
+        getVector3dFast(gMessageStringTable.getString(block), 
+                                gMessageStringTable.getString(var), v, blocknum);
+}
+
+void LLMessageSystem::getQuatFast(const char *block, const char *var, 
+                                                                  LLQuaternion &q, S32 blocknum )
+{
+        mMessageReader->getQuat(block, var, q, blocknum);
+}
+
+void LLMessageSystem::getQuat(const char *block, const char *var, 
+                                                          LLQuaternion &q, S32 blocknum)
+{
+        getQuatFast(gMessageStringTable.getString(block), 
+                        gMessageStringTable.getString(var), q, blocknum);
+}
+
+void LLMessageSystem::getUUIDFast(const char *block, const char *var, 
+                                                                  LLUUID &u, S32 blocknum )
+{
+        mMessageReader->getUUID(block, var, u, blocknum);
+}
+
+void LLMessageSystem::getUUID(const char *block, const char *var, LLUUID &u, 
+                                                          S32 blocknum )
+{
+        getUUIDFast(gMessageStringTable.getString(block), 
+                                gMessageStringTable.getString(var), u, blocknum);
+}
+
+void LLMessageSystem::getIPAddrFast(const char *block, const char *var, 
+                                                                        U32 &u, S32 blocknum)
+{
+        mMessageReader->getIPAddr(block, var, u, blocknum);
+}
+
+void LLMessageSystem::getIPAddr(const char *block, const char *var, U32 &u, 
+                                                                S32 blocknum)
+{
+        getIPAddrFast(gMessageStringTable.getString(block), 
+                                  gMessageStringTable.getString(var), u, blocknum);
+}
+
+void LLMessageSystem::getIPPortFast(const char *block, const char *var, 
+                                                                        U16 &u, S32 blocknum)
+{
+        mMessageReader->getIPPort(block, var, u, blocknum);
+}
+
+void LLMessageSystem::getIPPort(const char *block, const char *var, U16 &u, 
+                                                                S32 blocknum)
+{
+        getIPPortFast(gMessageStringTable.getString(block), 
+                                  gMessageStringTable.getString(var), u, 
+                                  blocknum);
+}
+
+
+void LLMessageSystem::getStringFast(const char *block, const char *var, 
+                                                                        S32 buffer_size, char *s, S32 blocknum)
+{
+        mMessageReader->getString(block, var, buffer_size, s, blocknum);
+}
+
+void LLMessageSystem::getString(const char *block, const char *var, 
+                                                                S32 buffer_size, char *s, S32 blocknum )
+{
+        getStringFast(gMessageStringTable.getString(block), 
+                                  gMessageStringTable.getString(var), buffer_size, s, 
+                                  blocknum);
+}
+
+S32     LLMessageSystem::getNumberOfBlocksFast(const char *blockname)
+{
+        return mMessageReader->getNumberOfBlocks(blockname);
+}
+
+S32     LLMessageSystem::getNumberOfBlocks(const char *blockname)
+{
+        return getNumberOfBlocksFast(gMessageStringTable.getString(blockname));
+}
+        
+S32     LLMessageSystem::getSizeFast(const char *blockname, const char *varname)
+{
+        return mMessageReader->getSize(blockname, varname);
+}
+
+S32     LLMessageSystem::getSize(const char *blockname, const char *varname)
+{
+        return getSizeFast(gMessageStringTable.getString(blockname), 
+                                           gMessageStringTable.getString(varname));
+}
+        
+// size in bytes of variable length data
+S32     LLMessageSystem::getSizeFast(const char *blockname, S32 blocknum, 
+                                                                 const char *varname)
+{
+        return mMessageReader->getSize(blockname, blocknum, varname);
+}
+                
+S32     LLMessageSystem::getSize(const char *blockname, S32 blocknum, 
+                                                         const char *varname)
+{
+        return getSizeFast(gMessageStringTable.getString(blockname), blocknum, 
+                                           gMessageStringTable.getString(varname));
+}
+
+S32 LLMessageSystem::getReceiveSize() const
+{
+        return mMessageReader->getMessageSize();
+}
+
+//static 
+void LLMessageSystem::setTimeDecodes( BOOL b )
+{
+        LLMessageReader::setTimeDecodes(b);
+}
+                
+//static 
+void LLMessageSystem::setTimeDecodesSpamThreshold( F32 seconds )
+{ 
+        LLMessageReader::setTimeDecodesSpamThreshold(seconds);
+}
+
+// HACK! babbage: return true if message rxed via either UDP or HTTP
+// TODO: babbage: move gServicePump in to LLMessageSystem?
+bool LLMessageSystem::checkAllMessages(S64 frame_count, LLPumpIO* http_pump)
+{
+        if(checkMessages(frame_count))
+        {
+                return true;
+        }
+        U32 packetsIn = mPacketsIn;
+        http_pump->pump();
+        http_pump->callback();
+        return (mPacketsIn - packetsIn) > 0;
+}
diff --git a/linden/indra/llmessage/message.h b/linden/indra/llmessage/message.h
index 5cc3ec1..0a55485 100644
--- a/linden/indra/llmessage/message.h
+++ b/linden/indra/llmessage/message.h
@@ -1,9 +1,10 @@
 /** 
- * @file message.h
+ * @FILE message.h
  * @brief LLMessageSystem class header file
  *
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -45,16 +46,15 @@
 #include "llerror.h"
 #include "net.h"
 #include "string_table.h"
-#include "llptrskipmap.h"
 #include "llcircuit.h"
 #include "lltimer.h"
 #include "llpacketring.h"
 #include "llhost.h"
+#include "llhttpnode.h"
 #include "llpacketack.h"
-#include "doublelinkedlist.h"
 #include "message_prehash.h"
 #include "llstl.h"
-#include "lldarray.h"
+#include "llmsgvariabletype.h"
 
 const U32 MESSAGE_MAX_STRINGS_LENGTH = 64;
 const U32 MESSAGE_NUMBER_OF_HASH_BUCKETS = 8192;
@@ -153,39 +153,10 @@ class LLQuaternion;
 class LLSD;
 class LLUUID;
 class LLMessageSystem;
+class LLPumpIO;
 
 // message data pieces are used to collect the data called for by the message template
 
-// iterator typedefs precede each class as needed
-typedef enum e_message_variable_type
-{
-        MVT_NULL,
-        MVT_FIXED,
-        MVT_VARIABLE,
-        MVT_U8,
-        MVT_U16,
-        MVT_U32,
-        MVT_U64,
-        MVT_S8,
-        MVT_S16,
-        MVT_S32,
-        MVT_S64,
-        MVT_F32,
-        MVT_F64,
-        MVT_LLVector3,
-        MVT_LLVector3d,
-        MVT_LLVector4,
-        MVT_LLQuaternion,
-        MVT_LLUUID,     
-        MVT_BOOL,
-        MVT_IP_ADDR,
-        MVT_IP_PORT,
-        MVT_U16Vec3,
-        MVT_U16Quat,
-        MVT_S16Array,
-        MVT_EOL
-} EMsgVariableType;
-
 // message system exceptional condition handlers.
 enum EMessageException
 {
@@ -197,25 +168,34 @@ enum EMessageException
 typedef void (*msg_exception_callback)(LLMessageSystem*,void*,EMessageException);
 
 
-
 class LLMsgData;
 class LLMsgBlkData;
 class LLMessageTemplate;
 
 class LLMessagePollInfo;
+class LLMessageBuilder;
+class LLTemplateMessageBuilder;
+class LLSDMessageBuilder;
+class LLMessageReader;
+class LLTemplateMessageReader;
+class LLSDMessageReader;
 
-class LLMessageSystem
+class LLUseCircuitCodeResponder
 {
         LOG_CLASS(LLMessageSystem);
         
 public:
+        virtual ~LLUseCircuitCodeResponder();
+        virtual void complete(const LLHost& host, const LLUUID& agent) const = 0;
+};
+
+class LLMessageSystem
+{
+ private:
         U8                                                                              mSendBuffer[MAX_BUFFER_SIZE];
-        // Encoded send buffer needs to be slightly larger since the zero
-        // coding can potentially increase the size of the send data.
-        U8                                                                              mEncodedSendBuffer[2 * MAX_BUFFER_SIZE];
         S32                                                                             mSendSize;
-        S32                                                                             mCurrentSendTotal;
 
+ public:
         LLPacketRing                                                    mPacketRing;
         LLReliablePacketParams                                  mReliablePacketParams;
 
@@ -294,12 +274,7 @@ public:
         LLMessageSystem(const char *filename, U32 port, S32 version_major,
                 S32 version_minor, S32 version_patch);
 
-public:
-        // Subclass use.
-        LLMessageSystem();
-
-public:
-        virtual ~LLMessageSystem();
+        ~LLMessageSystem();
 
         BOOL isOK() const { return !mbError; }
         S32 getErrorCode() const { return mErrorCode; }
@@ -317,15 +292,26 @@ public:
                 setHandlerFuncFast(gMessageStringTable.getString(name), handler_func, user_data);
         }
 
-        bool callHandler(const char *name, bool trustedSource,
-                                                        LLMessageSystem* msg);
-
         // Set a callback function for a message system exception.
         void setExceptionFunc(EMessageException exception, msg_exception_callback func, void* data = NULL);
         // Call the specified exception func, and return TRUE if a
         // function was found and called. Otherwise return FALSE.
         BOOL callExceptionFunc(EMessageException exception);
 
+        // Set a function that will be called once per packet processed with the 
+        // hashed message name and the time spent in the processing handler function
+        // measured in seconds.  JC
+        typedef void (*msg_timing_callback)(const char* hashed_name, F32 time, void* data);
+        void setTimingFunc(msg_timing_callback func, void* data = NULL);
+        msg_timing_callback getTimingCallback() 
+        { 
+                return mTimingCallback; 
+        }
+        void* getTimingCallbackData() 
+        {
+                return mTimingCallbackData;
+        }
+
         // This method returns true if the code is in the circuit codes map.
         BOOL isCircuitCodeKnown(U32 code) const;
 
@@ -364,42 +350,21 @@ public:
         void setMySessionID(const LLUUID& session_id) { mSessionID = session_id; }
         const LLUUID& getMySessionID() { return mSessionID; }
 
-        virtual void newMessageFast(const char *name);
-        void    newMessage(const char *name)
-        {
-                newMessageFast(gMessageStringTable.getString(name));
-        }
+        void newMessageFast(const char *name);
+        void newMessage(const char *name);
 
         void    copyMessageRtoS();
         void    clearMessage();
 
-        virtual void nextBlockFast(const char *blockname);
+        void nextBlockFast(const char *blockname);
         void    nextBlock(const char *blockname)
         {
                 nextBlockFast(gMessageStringTable.getString(blockname));
         }
-private:
-        void    addDataFast(const char *varname, const void *data, EMsgVariableType type, S32 size);    // Use only for types not in system already
-        void    addData(const char *varname, const void *data, EMsgVariableType type, S32 size)
-        {
-                addDataFast(gMessageStringTable.getString(varname), data, type, size);
-        }
 
-        
-        void    addDataFast(const char *varname, const void *data, EMsgVariableType type);                              // DEPRECATED - not typed, doesn't check storage space
-        void    addData(const char *varname, const void *data, EMsgVariableType type)
-        {
-                addDataFast(gMessageStringTable.getString(varname), data, type);
-        }
 public:
-        void    addBinaryDataFast(const char *varname, const void *data, S32 size)
-        {
-                addDataFast(varname, data, MVT_FIXED, size);
-        }
-        void    addBinaryData(const char *varname, const void *data, S32 size)
-        {
-                addDataFast(gMessageStringTable.getString(varname), data, MVT_FIXED, size);
-        }
+        void addBinaryDataFast(const char *varname, const void *data, S32 size);
+        void addBinaryData(const char *varname, const void *data, S32 size);
 
         void    addBOOLFast( const char* varname, BOOL b);                                              // typed, checks storage space
         void    addBOOL( const char* varname, BOOL b);                                          // typed, checks storage space
@@ -415,7 +380,7 @@ public:
         void    addF32( const char *varname, F32 f);                                            // typed, checks storage space
         void    addS32Fast(     const char *varname, S32 s);                                            // typed, checks storage space
         void    addS32( const char *varname, S32 s);                                            // typed, checks storage space
-        virtual void addU32Fast(        const char *varname, U32 u);                                            // typed, checks storage space
+        void addU32Fast(        const char *varname, U32 u);                                            // typed, checks storage space
         void    addU32( const char *varname, U32 u);                                            // typed, checks storage space
         void    addU64Fast(     const char *varname, U64 lu);                                           // typed, checks storage space
         void    addU64( const char *varname, U64 lu);                                           // typed, checks storage space
@@ -429,7 +394,7 @@ public:
         void    addVector3d( const char *varname, const LLVector3d& vec);       // typed, checks storage space
         void    addQuatFast( const char *varname, const LLQuaternion& quat);    // typed, checks storage space
         void    addQuat( const char *varname, const LLQuaternion& quat);        // typed, checks storage space
-        virtual void addUUIDFast( const char *varname, const LLUUID& uuid);                     // typed, checks storage space
+        void addUUIDFast( const char *varname, const LLUUID& uuid);                     // typed, checks storage space
         void    addUUID( const char *varname, const LLUUID& uuid);                      // typed, checks storage space
         void    addIPAddrFast( const char *varname, const U32 ip);                      // typed, checks storage space
         void    addIPAddr( const char *varname, const U32 ip);                  // typed, checks storage space
@@ -440,8 +405,8 @@ public:
         void    addStringFast( const char* varname, const std::string& s);                              // typed, checks storage space
         void    addString( const char* varname, const std::string& s);                          // typed, checks storage space
 
+        S32 getCurrentSendTotal() const;
         TPACKETID getCurrentRecvPacketID() { return mCurrentRecvPacketID; }
-        S32 getCurrentSendTotal() const { return mCurrentSendTotal; }
 
         // This method checks for current send total and returns true if
         // you need to go to the next block type or need to start a new
@@ -450,16 +415,16 @@ public:
         BOOL isSendFull(const char* blockname = NULL);
         BOOL isSendFullFast(const char* blockname = NULL);
 
-        BOOL    removeLastBlock();
+        BOOL removeLastBlock();
 
-        void    buildMessage();
+        //void  buildMessage();
 
         S32     zeroCode(U8 **data, S32 *data_size);
         S32             zeroCodeExpand(U8 **data, S32 *data_size);
         S32             zeroCodeAdjustCurrentSendTotal();
 
         // Uses ping-based retry
-        virtual S32 sendReliable(const LLHost &host);
+        S32 sendReliable(const LLHost &host);
 
         // Uses ping-based retry
         S32     sendReliable(const U32 circuit)                 { return sendReliable(findHost(circuit)); }
@@ -488,28 +453,10 @@ public:
         S32             sendMessage(const LLHost &host);
         S32             sendMessage(const U32 circuit);
 
-        BOOL    decodeData(const U8 *buffer, const LLHost &host);
-
-        // TODO: Consolide these functions
-        // TODO: Make these private, force use of typed functions.
-        // If size is not 0, an error is generated if size doesn't exactly match the size of the data.
-        // At all times, the number if bytes written to *datap is <= max_size.
-private:
-        void    getDataFast(const char *blockname, const char *varname, void *datap, S32 size = 0, S32 blocknum = 0, S32 max_size = S32_MAX);
-        void    getData(const char *blockname, const char *varname, void *datap, S32 size = 0, S32 blocknum = 0, S32 max_size = S32_MAX)
-        {
-                getDataFast(gMessageStringTable.getString(blockname), gMessageStringTable.getString(varname), datap, size, blocknum, max_size);
-        }
-public:
-        void    getBinaryDataFast(const char *blockname, const char *varname, void *datap, S32 size, S32 blocknum = 0, S32 max_size = S32_MAX)
-        {
-                getDataFast(blockname, varname, datap, size, blocknum, max_size);
-        }
-        void    getBinaryData(const char *blockname, const char *varname, void *datap, S32 size, S32 blocknum = 0, S32 max_size = S32_MAX)
-        {
-                getDataFast(gMessageStringTable.getString(blockname), gMessageStringTable.getString(varname), datap, size, blocknum, max_size);
-        }
+        // BOOL decodeData(const U8 *buffer, const LLHost &host);
 
+        void    getBinaryDataFast(const char *blockname, const char *varname, void *datap, S32 size, S32 blocknum = 0, S32 max_size = S32_MAX);
+        void    getBinaryData(const char *blockname, const char *varname, void *datap, S32 size, S32 blocknum = 0, S32 max_size = S32_MAX);
         void    getBOOLFast(    const char *block, const char *var, BOOL &data, S32 blocknum = 0);
         void    getBOOL(        const char *block, const char *var, BOOL &data, S32 blocknum = 0);
         void    getS8Fast(              const char *block, const char *var, S8 &data, S32 blocknum = 0);
@@ -524,9 +471,9 @@ public:
         void    getS32(         const char *block, const char *var, S32 &data, S32 blocknum = 0);
         void    getF32Fast(             const char *block, const char *var, F32 &data, S32 blocknum = 0);
         void    getF32(         const char *block, const char *var, F32 &data, S32 blocknum = 0);
-        virtual void getU32Fast(                const char *block, const char *var, U32 &data, S32 blocknum = 0);
+        void getU32Fast(                const char *block, const char *var, U32 &data, S32 blocknum = 0);
         void    getU32(         const char *block, const char *var, U32 &data, S32 blocknum = 0);
-        virtual void getU64Fast(                const char *block, const char *var, U64 &data, S32 blocknum = 0);
+        void getU64Fast(                const char *block, const char *var, U64 &data, S32 blocknum = 0);
         void    getU64(         const char *block, const char *var, U64 &data, S32 blocknum = 0);
         void    getF64Fast(             const char *block, const char *var, F64 &data, S32 blocknum = 0);
         void    getF64(         const char *block, const char *var, F64 &data, S32 blocknum = 0);
@@ -538,13 +485,13 @@ public:
         void    getVector3d(const char *block, const char *var, LLVector3d &vec, S32 blocknum = 0);
         void    getQuatFast(    const char *block, const char *var, LLQuaternion &q, S32 blocknum = 0);
         void    getQuat(        const char *block, const char *var, LLQuaternion &q, S32 blocknum = 0);
-        virtual void getUUIDFast(       const char *block, const char *var, LLUUID &uuid, S32 blocknum = 0);
+        void getUUIDFast(       const char *block, const char *var, LLUUID &uuid, S32 blocknum = 0);
         void    getUUID(        const char *block, const char *var, LLUUID &uuid, S32 blocknum = 0);
-        virtual void getIPAddrFast(     const char *block, const char *var, U32 &ip, S32 blocknum = 0);
+        void getIPAddrFast(     const char *block, const char *var, U32 &ip, S32 blocknum = 0);
         void    getIPAddr(      const char *block, const char *var, U32 &ip, S32 blocknum = 0);
-        virtual void getIPPortFast(     const char *block, const char *var, U16 &port, S32 blocknum = 0);
+        void getIPPortFast(     const char *block, const char *var, U16 &port, S32 blocknum = 0);
         void    getIPPort(      const char *block, const char *var, U16 &port, S32 blocknum = 0);
-        virtual void getStringFast(     const char *block, const char *var, S32 buffer_size, char *buffer, S32 blocknum = 0);
+        void getStringFast(     const char *block, const char *var, S32 buffer_size, char *buffer, S32 blocknum = 0);
         void    getString(      const char *block, const char *var, S32 buffer_size, char *buffer, S32 blocknum = 0);
 
 
@@ -566,7 +513,7 @@ public:
         void    showCircuitInfo();
         LLString getCircuitInfoString();
 
-        virtual U32 getOurCircuitCode();
+        U32 getOurCircuitCode();
         
         void    enableCircuit(const LLHost &host, BOOL trusted);
         void    disableCircuit(const LLHost &host);
@@ -612,20 +559,12 @@ public:
         void    sanityCheck();
 
         S32             getNumberOfBlocksFast(const char *blockname);
-        S32             getNumberOfBlocks(const char *blockname)
-        {
-                return getNumberOfBlocksFast(gMessageStringTable.getString(blockname));
-        }
+        S32             getNumberOfBlocks(const char *blockname);
         S32             getSizeFast(const char *blockname, const char *varname);
-        S32             getSize(const char *blockname, const char *varname)
-        {
-                return getSizeFast(gMessageStringTable.getString(blockname), gMessageStringTable.getString(varname));
-        }
-        S32             getSizeFast(const char *blockname, S32 blocknum, const char *varname);          // size in bytes of variable length data
-        S32             getSize(const char *blockname, S32 blocknum, const char *varname)
-        {
-                return getSizeFast(gMessageStringTable.getString(blockname), blocknum, gMessageStringTable.getString(varname));
-        }
+        S32             getSize(const char *blockname, const char *varname);
+        S32             getSizeFast(const char *blockname, S32 blocknum, 
+                                                const char *varname); // size in bytes of data
+        S32             getSize(const char *blockname, S32 blocknum, const char *varname);
 
         void    resetReceiveCounts();                           // resets receive counts for all message types to 0
         void    dumpReceiveCounts();                            // dumps receive count for each message type to llinfos
@@ -640,14 +579,14 @@ public:
         void stopLogging();                                             // flush and close file
         void summarizeLogs(std::ostream& str);  // log statistics
 
-        S32             getReceiveSize() const                          { return mReceiveSize; }
-        S32             getReceiveCompressedSize() const        { return mIncomingCompressedSize; }
+        S32             getReceiveSize() const;
+        S32             getReceiveCompressedSize() const { return mIncomingCompressedSize; }
         S32             getReceiveBytes() const;
 
         S32             getUnackedListSize() const                      { return mUnackedListSize; }
 
-        const char* getCurrentSMessageName() const { return mCurrentSMessageName; }
-        const char* getCurrentSBlockName() const { return mCurrentSBlockName; }
+        //const char* getCurrentSMessageName() const { return mCurrentSMessageName; }
+        //const char* getCurrentSBlockName() const { return mCurrentSBlockName; }
 
         // friends
         friend std::ostream&    operator<<(std::ostream& s, LLMessageSystem &msg);
@@ -656,25 +595,41 @@ public:
         void setMaxMessageCounts(const S32 num);        // Max number of messages before dumping (neg to disable)
         
         // statics
-public:
+        static BOOL isTemplateConfirmed();
+        static BOOL doesTemplateMatch();
+        static void sendMessageTemplateChecksum(const LLHost&);
+        static void processMessageTemplateChecksumReply(LLMessageSystem *msg,
+                                                                                                        void** user_data);
+        static void sendSecureMessageTemplateChecksum(const LLHost&);
+        static void processSecureTemplateChecksumReply(LLMessageSystem *msg,
+                                                                                                        void** user_data);
         static U64 getMessageTimeUsecs(const BOOL update = FALSE);      // Get the current message system time in microseconds
         static F64 getMessageTimeSeconds(const BOOL update = FALSE); // Get the current message system time in seconds
 
-        static void setTimeDecodes( BOOL b )            
-                { LLMessageSystem::mTimeDecodes = b; }
-
-        static void setTimeDecodesSpamThreshold( F32 seconds ) 
-                { LLMessageSystem::mTimeDecodesSpamThreshold = seconds; }
+        static void setTimeDecodes(BOOL b);
+        static void setTimeDecodesSpamThreshold(F32 seconds); 
 
         // message handlers internal to the message systesm
         //static void processAssignCircuitCode(LLMessageSystem* msg, void**);
         static void processAddCircuitCode(LLMessageSystem* msg, void**);
         static void processUseCircuitCode(LLMessageSystem* msg, void**);
 
+        // dispatch llsd message to http node tree
+        static void dispatch(const std::string& msg_name,
+                                                 const LLSD& message);
+        static void dispatch(const std::string& msg_name,
+                                                 const LLSD& message,
+                                                 LLHTTPNode::ResponsePtr responsep);
+
         void setMessageBans(const LLSD& trusted, const LLSD& untrusted);
+
+        // Check UDP messages and pump http_pump to receive HTTP messages.
+        bool checkAllMessages(S64 frame_count, LLPumpIO* http_pump);
         
 private:
         // data used in those internal handlers
+        BOOL mTemplateConfirmed;
+        BOOL mTemplateMatches;
 
         // The mCircuitCodes is a map from circuit codes to session
         // ids. This allows us to verify sessions on connect.
@@ -685,7 +640,6 @@ private:
         // that no one gives them a bad circuit code.
         LLUUID mSessionID;
 
-private:
         void    addTemplate(LLMessageTemplate *templatep);
         void            clearReceiveState();
         BOOL            decodeTemplate( const U8* buffer, S32 buffer_size, LLMessageTemplate** msg_template );
@@ -695,7 +649,6 @@ private:
         void            logValidMsg(LLCircuitData *cdp, const LLHost& sender, BOOL recv_reliable, BOOL recv_resent, BOOL recv_acks );
         void            logRanOffEndOfPacket( const LLHost& sender );
 
-private:
         class LLMessageCountInfo
         {
         public:
@@ -711,26 +664,10 @@ private:
         S32                                                                             mTrueReceiveSize;
 
         // Must be valid during decode
-        S32                                                                             mReceiveSize;
-        TPACKETID                               mCurrentRecvPacketID;       // packet ID of current receive packet (for reporting)
-        LLMessageTemplate                                               *mCurrentRMessageTemplate;
-        LLMsgData                                                               *mCurrentRMessageData;
-        S32                                                                         mIncomingCompressedSize;            // original size of compressed msg (0 if uncomp.)
-        LLHost                                                                  mLastSender;
-
-        // send message storage
-        LLMsgData                                                               *mCurrentSMessageData;
-        LLMessageTemplate                                               *mCurrentSMessageTemplate;
-        LLMsgBlkData                                                    *mCurrentSDataBlock;
-        char                                                                    *mCurrentSMessageName;
-        char                                                                    *mCurrentSBlockName;
-
+        
         BOOL                                                                    mbError;
         S32 mErrorCode;
 
-        BOOL                                                                    mbSBuilt;       // is send message built?
-        BOOL                                                                    mbSClear;       // is the send message clear?
-
         F64                                                                             mResendDumpTime; // The last time we dumped resends
 
         LLMessageCountInfo mMessageCountList[MAX_MESSAGE_COUNT_NUM];
@@ -753,16 +690,31 @@ private:
         static F32 mTimeDecodesSpamThreshold;  // If mTimeDecodes is on, all this many seconds for each msg decode before spamming
         static BOOL mTimeDecodes;  // Measure time for all message decodes if TRUE;
 
+        msg_timing_callback mTimingCallback;
+        void* mTimingCallbackData;
+
         void init(); // ctor shared initialisation.
+
+        LLHost mLastSender;
+        S32 mIncomingCompressedSize;            // original size of compressed msg (0 if uncomp.)
+        TPACKETID mCurrentRecvPacketID;       // packet ID of current receive packet (for reporting)
+
+        LLMessageBuilder* mMessageBuilder;
+        LLTemplateMessageBuilder* mTemplateMessageBuilder;
+        LLSDMessageBuilder* mLLSDMessageBuilder;
+        LLMessageReader* mMessageReader;
+        LLTemplateMessageReader* mTemplateMessageReader;
+        LLSDMessageReader* mLLSDMessageReader;
+
+        friend class LLMessageHandlerBridge;
+        
+        bool callHandler(const char *name, bool trustedSource,
+                                         LLMessageSystem* msg);
 };
 
 
 // external hook into messaging system
 extern LLMessageSystem  *gMessageSystem;
-//extern const char* MESSAGE_LOG_FILENAME;
-
-void encrypt_template(const char *src_name, const char *dest_name);
-BOOL decrypt_template(const char *src_name, const char *dest_name);
 
 // Must specific overall system version, which is used to determine
 // if a patch is available in the message template checksum verification.
@@ -774,7 +726,8 @@ BOOL start_messaging_system(
         S32 version_minor,
         S32 version_patch,
         BOOL b_dump_prehash_file,
-        const std::string& secret);
+        const std::string& secret,
+        const LLUseCircuitCodeResponder* responder = NULL);
 
 void end_messaging_system();
 
@@ -950,12 +903,9 @@ inline void *ntohmemcpy(void *s, const void *ct, EMsgVariableType type, size_t n
 }
 
 
-inline const LLHost& LLMessageSystem::getSender() const
-{
-        return mLastSender;
-}
+inline const LLHost& LLMessageSystem::getSender() const {return mLastSender;}
 
-inline U32 LLMessageSystem::getSenderIP() const
+inline U32 LLMessageSystem::getSenderIP() const 
 {
         return mLastSender.getAddress();
 }
@@ -965,308 +915,13 @@ inline U32 LLMessageSystem::getSenderPort() const
         return mLastSender.getPort();
 }
 
-inline void LLMessageSystem::addS8Fast(const char *varname, S8 s)
-{
-        addDataFast(varname, &s, MVT_S8, sizeof(s));
-}
-
-inline void LLMessageSystem::addS8(const char *varname, S8 s)
-{
-        addDataFast(gMessageStringTable.getString(varname), &s, MVT_S8, sizeof(s));
-}
-
-inline void LLMessageSystem::addU8Fast(const char *varname, U8 u)
-{
-        addDataFast(varname, &u, MVT_U8, sizeof(u));
-}
-
-inline void LLMessageSystem::addU8(const char *varname, U8 u)
-{
-        addDataFast(gMessageStringTable.getString(varname), &u, MVT_U8, sizeof(u));
-}
-
-inline void LLMessageSystem::addS16Fast(const char *varname, S16 i)
-{
-        addDataFast(varname, &i, MVT_S16, sizeof(i));
-}
-
-inline void LLMessageSystem::addS16(const char *varname, S16 i)
-{
-        addDataFast(gMessageStringTable.getString(varname), &i, MVT_S16, sizeof(i));
-}
-
-inline void LLMessageSystem::addU16Fast(const char *varname, U16 i)
-{
-        addDataFast(varname, &i, MVT_U16, sizeof(i));
-}
-
-inline void LLMessageSystem::addU16(const char *varname, U16 i)
-{
-        addDataFast(gMessageStringTable.getString(varname), &i, MVT_U16, sizeof(i));
-}
-
-inline void LLMessageSystem::addF32Fast(const char *varname, F32 f)
-{
-        addDataFast(varname, &f, MVT_F32, sizeof(f));
-}
-
-inline void LLMessageSystem::addF32(const char *varname, F32 f)
-{
-        addDataFast(gMessageStringTable.getString(varname), &f, MVT_F32, sizeof(f));
-}
-
-inline void LLMessageSystem::addS32Fast(const char *varname, S32 s)
-{
-        addDataFast(varname, &s, MVT_S32, sizeof(s));
-}
-
-inline void LLMessageSystem::addS32(const char *varname, S32 s)
-{
-        addDataFast(gMessageStringTable.getString(varname), &s, MVT_S32, sizeof(s));
-}
-
-inline void LLMessageSystem::addU32Fast(const char *varname, U32 u)
-{
-        addDataFast(varname, &u, MVT_U32, sizeof(u));
-}
-
-inline void LLMessageSystem::addU32(const char *varname, U32 u)
-{
-        addDataFast(gMessageStringTable.getString(varname), &u, MVT_U32, sizeof(u));
-}
-
-inline void LLMessageSystem::addU64Fast(const char *varname, U64 lu)
-{
-        addDataFast(varname, &lu, MVT_U64, sizeof(lu));
-}
-
-inline void LLMessageSystem::addU64(const char *varname, U64 lu)
-{
-        addDataFast(gMessageStringTable.getString(varname), &lu, MVT_U64, sizeof(lu));
-}
-
-inline void LLMessageSystem::addF64Fast(const char *varname, F64 d)
-{
-        addDataFast(varname, &d, MVT_F64, sizeof(d));
-}
-
-inline void LLMessageSystem::addF64(const char *varname, F64 d)
-{
-        addDataFast(gMessageStringTable.getString(varname), &d, MVT_F64, sizeof(d));
-}
-
-inline void LLMessageSystem::addIPAddrFast(const char *varname, U32 u)
-{
-        addDataFast(varname, &u, MVT_IP_ADDR, sizeof(u));
-}
-
-inline void LLMessageSystem::addIPAddr(const char *varname, U32 u)
-{
-        addDataFast(gMessageStringTable.getString(varname), &u, MVT_IP_ADDR, sizeof(u));
-}
-
-inline void LLMessageSystem::addIPPortFast(const char *varname, U16 u)
-{
-        u = htons(u);
-        addDataFast(varname, &u, MVT_IP_PORT, sizeof(u));
-}
-
-inline void LLMessageSystem::addIPPort(const char *varname, U16 u)
-{
-        u = htons(u);
-        addDataFast(gMessageStringTable.getString(varname), &u, MVT_IP_PORT, sizeof(u));
-}
-
-inline void LLMessageSystem::addBOOLFast(const char* varname, BOOL b)
-{
-        // Can't just cast a BOOL (actually a U32) to a U8.
-        // In some cases the low order bits will be zero.
-        U8 temp = (b != 0);
-        addDataFast(varname, &temp, MVT_BOOL, sizeof(temp));
-}
-
-inline void LLMessageSystem::addBOOL(const char* varname, BOOL b)
-{
-        // Can't just cast a BOOL (actually a U32) to a U8.
-        // In some cases the low order bits will be zero.
-        U8 temp = (b != 0);
-        addDataFast(gMessageStringTable.getString(varname), &temp, MVT_BOOL, sizeof(temp));
-}
-
-inline void LLMessageSystem::addStringFast(const char* varname, const char* s)
-{
-        if (s)
-                addDataFast( varname, (void *)s, MVT_VARIABLE, (S32)strlen(s) + 1);  /* Flawfinder: ignore */  
-        else
-                addDataFast( varname, NULL, MVT_VARIABLE, 0); 
-}
-
-inline void LLMessageSystem::addString(const char* varname, const char* s)
-{
-        if (s)
-                addDataFast( gMessageStringTable.getString(varname), (void *)s, MVT_VARIABLE, (S32)strlen(s) + 1);  /* Flawfinder: ignore */ 
-        else
-                addDataFast( gMessageStringTable.getString(varname), NULL, MVT_VARIABLE, 0); 
-}
-
-inline void LLMessageSystem::addStringFast(const char* varname, const std::string& s)
-{
-        if (s.size())
-                addDataFast( varname, (void *)s.c_str(), MVT_VARIABLE, (S32)(s.size()) + 1); 
-        else
-                addDataFast( varname, NULL, MVT_VARIABLE, 0); 
-}
-
-inline void LLMessageSystem::addString(const char* varname, const std::string& s)
-{
-        if (s.size())
-                addDataFast( gMessageStringTable.getString(varname), (void *)s.c_str(), MVT_VARIABLE, (S32)(s.size()) + 1); 
-        else
-                addDataFast( gMessageStringTable.getString(varname), NULL, MVT_VARIABLE, 0); 
-}
-
-
-//-----------------------------------------------------------------------------
-// Retrieval aliases
-//-----------------------------------------------------------------------------
-inline void LLMessageSystem::getS8Fast(const char *block, const char *var, S8 &u, S32 blocknum)
-{
-        getDataFast(block, var, &u, sizeof(S8), blocknum);
-}
-
-inline void LLMessageSystem::getS8(const char *block, const char *var, S8 &u, S32 blocknum)
-{
-        getDataFast(gMessageStringTable.getString(block), gMessageStringTable.getString(var), &u, sizeof(S8), blocknum);
-}
-
-inline void LLMessageSystem::getU8Fast(const char *block, const char *var, U8 &u, S32 blocknum)
-{
-        getDataFast(block, var, &u, sizeof(U8), blocknum);
-}
-
-inline void LLMessageSystem::getU8(const char *block, const char *var, U8 &u, S32 blocknum)
-{
-        getDataFast(gMessageStringTable.getString(block), gMessageStringTable.getString(var), &u, sizeof(U8), blocknum);
-}
-
-inline void LLMessageSystem::getBOOLFast(const char *block, const char *var, BOOL &b, S32 blocknum )
-{
-        U8 value;
-        getDataFast(block, var, &value, sizeof(U8), blocknum);
-        b = (BOOL) value;
-}
-
-inline void LLMessageSystem::getBOOL(const char *block, const char *var, BOOL &b, S32 blocknum )
-{
-        U8 value;
-        getDataFast(gMessageStringTable.getString(block), gMessageStringTable.getString(var), &value, sizeof(U8), blocknum);
-        b = (BOOL) value;
-}
-
-inline void LLMessageSystem::getS16Fast(const char *block, const char *var, S16 &d, S32 blocknum)
-{
-        getDataFast(block, var, &d, sizeof(S16), blocknum);
-}
-
-inline void LLMessageSystem::getS16(const char *block, const char *var, S16 &d, S32 blocknum)
-{
-        getDataFast(gMessageStringTable.getString(block), gMessageStringTable.getString(var), &d, sizeof(S16), blocknum);
-}
-
-inline void LLMessageSystem::getU16Fast(const char *block, const char *var, U16 &d, S32 blocknum)
-{
-        getDataFast(block, var, &d, sizeof(U16), blocknum);
-}
-
-inline void LLMessageSystem::getU16(const char *block, const char *var, U16 &d, S32 blocknum)
-{
-        getDataFast(gMessageStringTable.getString(block), gMessageStringTable.getString(var), &d, sizeof(U16), blocknum);
-}
-
-inline void LLMessageSystem::getS32Fast(const char *block, const char *var, S32 &d, S32 blocknum)
-{
-        getDataFast(block, var, &d, sizeof(S32), blocknum);
-}
-
-inline void LLMessageSystem::getS32(const char *block, const char *var, S32 &d, S32 blocknum)
-{
-        getDataFast(gMessageStringTable.getString(block), gMessageStringTable.getString(var), &d, sizeof(S32), blocknum);
-}
-
-inline void LLMessageSystem::getU32Fast(const char *block, const char *var, U32 &d, S32 blocknum)
-{
-        getDataFast(block, var, &d, sizeof(U32), blocknum);
-}
-
-inline void LLMessageSystem::getU32(const char *block, const char *var, U32 &d, S32 blocknum)
-{
-        getDataFast(gMessageStringTable.getString(block), gMessageStringTable.getString(var), &d, sizeof(U32), blocknum);
-}
-
-inline void LLMessageSystem::getU64Fast(const char *block, const char *var, U64 &d, S32 blocknum)
-{
-        getDataFast(block, var, &d, sizeof(U64), blocknum);
-}
-
-inline void LLMessageSystem::getU64(const char *block, const char *var, U64 &d, S32 blocknum)
-{
-        getDataFast(gMessageStringTable.getString(block), gMessageStringTable.getString(var), &d, sizeof(U64), blocknum);
-}
-
-
-inline void LLMessageSystem::getIPAddrFast(const char *block, const char *var, U32 &u, S32 blocknum)
-{
-        getDataFast(block, var, &u, sizeof(U32), blocknum);
-}
-
-inline void LLMessageSystem::getIPAddr(const char *block, const char *var, U32 &u, S32 blocknum)
-{
-        getDataFast(gMessageStringTable.getString(block), gMessageStringTable.getString(var), &u, sizeof(U32), blocknum);
-}
-
-inline void LLMessageSystem::getIPPortFast(const char *block, const char *var, U16 &u, S32 blocknum)
-{
-        getDataFast(block, var, &u, sizeof(U16), blocknum);
-        u = ntohs(u);
-}
-
-inline void LLMessageSystem::getIPPort(const char *block, const char *var, U16 &u, S32 blocknum)
-{
-        getDataFast(gMessageStringTable.getString(block), gMessageStringTable.getString(var), &u, sizeof(U16), blocknum);
-        u = ntohs(u);
-}
-
-
-inline void LLMessageSystem::getStringFast(const char *block, const char *var, S32 buffer_size, char *s, S32 blocknum )
-{
-        s[0] = '\0';
-        getDataFast(block, var, s, 0, blocknum, buffer_size);
-        s[buffer_size - 1] = '\0';
-}
-
-inline void LLMessageSystem::getString(const char *block, const char *var, S32 buffer_size, char *s, S32 blocknum )
-{
-        s[0] = '\0';
-        getDataFast(gMessageStringTable.getString(block), gMessageStringTable.getString(var), s, 0, blocknum, buffer_size);
-        s[buffer_size - 1] = '\0';
-}
-
 //-----------------------------------------------------------------------------
 // Transmission aliases
 //-----------------------------------------------------------------------------
-//inline S32 LLMessageSystem::sendMessage(U32 ip, U32 port, BOOL zero_code)
-//{
-//      return sendMessage(LLHost(ip, port), zero_code);
-//}
-
-//inline S32 LLMessageSystem::sendMessage(const char *ip_str, U32 port, BOOL zero_code)
-//{
-//      return sendMessage(LLHost(ip_str, port), zero_code);
-//}
 
-inline S32 LLMessageSystem::sendMessage(const U32 circuit)//, BOOL zero_code)
+inline S32 LLMessageSystem::sendMessage(const U32 circuit)
 {
-        return sendMessage(findHost(circuit));//, zero_code);
+        return sendMessage(findHost(circuit));
 }
 
 #endif
diff --git a/linden/indra/llmessage/message_prehash.cpp b/linden/indra/llmessage/message_prehash.cpp
index ef01c82..39b3737 100644
--- a/linden/indra/llmessage/message_prehash.cpp
+++ b/linden/indra/llmessage/message_prehash.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2003-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -39,7 +40,6 @@ char * _PREHASH_X;
 char * _PREHASH_Y;
 char * _PREHASH_Z;
 char * _PREHASH_AddFlags;
-char * _PREHASH_ReservedNewbie;
 char * _PREHASH_FailureInfo;
 char * _PREHASH_MapData;
 char * _PREHASH_AddItem;
@@ -108,7 +108,6 @@ char * _PREHASH_RelatedRights;
 char * _PREHASH_RedirectGridX;
 char * _PREHASH_RedirectGridY;
 char * _PREHASH_TransferID;
-char * _PREHASH_Transacted;
 char * _PREHASH_TexturesChanged;
 char * _PREHASH_UserLookAt;
 char * _PREHASH_TestBlock1;
@@ -135,7 +134,6 @@ char * _PREHASH_SetSimStatusInDatabase;
 char * _PREHASH_SetSimPresenceInDatabase;
 char * _PREHASH_CameraProperty;
 char * _PREHASH_BrushSize;
-char * _PREHASH_StartExpungeProcess;
 char * _PREHASH_SimulatorSetMap;
 char * _PREHASH_RegionPresenceRequestByRegionID;
 char * _PREHASH_ParcelObjectOwnersReply;
@@ -229,8 +227,8 @@ char * _PREHASH_SimName;
 char * _PREHASH_UserReport;
 char * _PREHASH_DownloadPriority;
 char * _PREHASH_ToAgentId;
-char * _PREHASH_Mag;
 char * _PREHASH_DirPopularQuery;
+char * _PREHASH_Mag;
 char * _PREHASH_ParcelPropertiesRequestByID;
 char * _PREHASH_ObjectLink;
 char * _PREHASH_RpcScriptReplyInbound;
@@ -439,7 +437,6 @@ char * _PREHASH_TerminateFriendship;
 char * _PREHASH_TaskData;
 char * _PREHASH_SimWideMaxPrims;
 char * _PREHASH_TotalPrims;
-char * _PREHASH_SourceFilename;
 char * _PREHASH_ProfileBegin;
 char * _PREHASH_MoneyDetailsRequest;
 char * _PREHASH_Request;
@@ -486,7 +483,6 @@ char * _PREHASH_ParamInUse;
 char * _PREHASH_GodKickUser;
 char * _PREHASH_PickName;
 char * _PREHASH_TaskName;
-char * _PREHASH_ParcelGodReserveForNewbie;
 char * _PREHASH_SubType;
 char * _PREHASH_ObjectCount;
 char * _PREHASH_RegionPresenceRequestByHandle;
@@ -505,10 +501,13 @@ char * _PREHASH_UpdateParcel;
 char * _PREHASH_ClearAgentSessions;
 char * _PREHASH_SetAlwaysRun;
 char * _PREHASH_NVPair;
+char * _PREHASH_SearchType;
 char * _PREHASH_ObjectSpinStart;
 char * _PREHASH_UseEstateSun;
 char * _PREHASH_LogoutBlock;
+char * _PREHASH_RelayLogControl;
 char * _PREHASH_RegionID;
+char * _PREHASH_AbuseRegionID;
 char * _PREHASH_Creator;
 char * _PREHASH_ProposalText;
 char * _PREHASH_DirEventsReply;
@@ -553,7 +552,6 @@ char * _PREHASH_MaxY;
 char * _PREHASH_TextureAnim;
 char * _PREHASH_ReturnIDs;
 char * _PREHASH_Date;
-char * _PREHASH_GestureUpdate;
 char * _PREHASH_AgentWearablesUpdate;
 char * _PREHASH_AgentDataUpdate;
 char * _PREHASH_Hash;
@@ -575,7 +573,6 @@ char * _PREHASH_HistoryItemData;
 char * _PREHASH_AgentCachedTexture;
 char * _PREHASH_Subject;
 char * _PREHASH_East;
-char * _PREHASH_GodExpungeUser;
 char * _PREHASH_QueryReplies;
 char * _PREHASH_ObjectCategory;
 char * _PREHASH_Time;
@@ -802,6 +799,7 @@ char * _PREHASH_UnsubscribeLoad;
 char * _PREHASH_Packet;
 char * _PREHASH_UndoLand;
 char * _PREHASH_SimAccess;
+char * _PREHASH_AbuserID;
 char * _PREHASH_MembershipFee;
 char * _PREHASH_InviteGroupResponse;
 char * _PREHASH_CreateInventoryFolder;
@@ -939,6 +937,7 @@ char * _PREHASH_ImageNotInDatabase;
 char * _PREHASH_StartDate;
 char * _PREHASH_AnimID;
 char * _PREHASH_Serial;
+char * _PREHASH_AbuseRegionName;
 char * _PREHASH_ControlPort;
 char * _PREHASH_ModifyLand;
 char * _PREHASH_Digest;
@@ -1003,11 +1002,11 @@ char * _PREHASH_EventFlags;
 char * _PREHASH_TallyVotes;
 char * _PREHASH_Result;
 char * _PREHASH_LookAt;
+char * _PREHASH_SearchOrder;
 char * _PREHASH_PayButton;
 char * _PREHASH_SelfCount;
 char * _PREHASH_PacketCount;
 char * _PREHASH_ParcelBuyPass;
-char * _PREHASH_Identified;
 char * _PREHASH_OldItemID;
 char * _PREHASH_RegionPort;
 char * _PREHASH_PriceEnergyUnit;
@@ -1043,7 +1042,6 @@ char * _PREHASH_EconomyDataRequest;
 char * _PREHASH_TeleportLureRequest;
 char * _PREHASH_FolderID;
 char * _PREHASH_RegionHandleRequest;
-char * _PREHASH_GestureRequest;
 char * _PREHASH_ScriptDataRequest;
 char * _PREHASH_GroupRoleDataRequest;
 char * _PREHASH_GroupTitlesRequest;
@@ -1187,11 +1185,9 @@ char * _PREHASH_Ratio;
 char * _PREHASH_JoinGroupReply;
 char * _PREHASH_LiveHelpGroupReply;
 char * _PREHASH_Score;
-char * _PREHASH_ExpungeData;
 char * _PREHASH_Image;
 char * _PREHASH_ObjectClickAction;
 char * _PREHASH_Delta;
-char * _PREHASH_InitiateUpload;
 char * _PREHASH_Parameter;
 char * _PREHASH_Flags;
 char * _PREHASH_Plane;
@@ -1227,7 +1223,6 @@ char * _PREHASH_Disconnect;
 char * _PREHASH_SimPosition;
 char * _PREHASH_SimWideTotalPrims;
 char * _PREHASH_Index;
-char * _PREHASH_BaseFilename;
 char * _PREHASH_SimFilename;
 char * _PREHASH_LastOwnerID;
 char * _PREHASH_GroupNoticeRequest;
@@ -1312,6 +1307,7 @@ char * _PREHASH_AssetBlock;
 char * _PREHASH_AcceptNotices;
 char * _PREHASH_SetGroupAcceptNotices;
 char * _PREHASH_CloseCircuit;
+char * _PREHASH_LogControl;
 char * _PREHASH_TeleportFinish;
 char * _PREHASH_PathRevolutions;
 char * _PREHASH_ClassifiedInfoReply;
@@ -1491,7 +1487,6 @@ char * _PREHASH_DirLandReply;
 char * _PREHASH_SpaceLocationTeleportReply;
 char * _PREHASH_MuteType;
 char * _PREHASH_IMViaEMail;
-char * _PREHASH_StartExpungeProcessAck;
 char * _PREHASH_RentPrice;
 char * _PREHASH_GenericMessage;
 char * _PREHASH_ChildAgentAlive;
@@ -1511,7 +1506,6 @@ void init_prehash_data()
         _PREHASH_Y = gMessageStringTable.getString("Y");
         _PREHASH_Z = gMessageStringTable.getString("Z");
         _PREHASH_AddFlags = gMessageStringTable.getString("AddFlags");
-        _PREHASH_ReservedNewbie = gMessageStringTable.getString("ReservedNewbie");
         _PREHASH_FailureInfo = gMessageStringTable.getString("FailureInfo");
         _PREHASH_MapData = gMessageStringTable.getString("MapData");
         _PREHASH_AddItem = gMessageStringTable.getString("AddItem");
@@ -1580,7 +1574,6 @@ void init_prehash_data()
         _PREHASH_RedirectGridX = gMessageStringTable.getString("RedirectGridX");
         _PREHASH_RedirectGridY = gMessageStringTable.getString("RedirectGridY");
         _PREHASH_TransferID = gMessageStringTable.getString("TransferID");
-        _PREHASH_Transacted = gMessageStringTable.getString("Transacted");
         _PREHASH_TexturesChanged = gMessageStringTable.getString("TexturesChanged");
         _PREHASH_UserLookAt = gMessageStringTable.getString("UserLookAt");
         _PREHASH_TestBlock1 = gMessageStringTable.getString("TestBlock1");
@@ -1607,7 +1600,6 @@ void init_prehash_data()
         _PREHASH_SetSimPresenceInDatabase = gMessageStringTable.getString("SetSimPresenceInDatabase");
         _PREHASH_CameraProperty = gMessageStringTable.getString("CameraProperty");
         _PREHASH_BrushSize = gMessageStringTable.getString("BrushSize");
-        _PREHASH_StartExpungeProcess = gMessageStringTable.getString("StartExpungeProcess");
         _PREHASH_SimulatorSetMap = gMessageStringTable.getString("SimulatorSetMap");
         _PREHASH_RegionPresenceRequestByRegionID = gMessageStringTable.getString("RegionPresenceRequestByRegionID");
         _PREHASH_ParcelObjectOwnersReply = gMessageStringTable.getString("ParcelObjectOwnersReply");
@@ -1701,8 +1693,8 @@ void init_prehash_data()
         _PREHASH_UserReport = gMessageStringTable.getString("UserReport");
         _PREHASH_DownloadPriority = gMessageStringTable.getString("DownloadPriority");
         _PREHASH_ToAgentId = gMessageStringTable.getString("ToAgentId");
-        _PREHASH_Mag = gMessageStringTable.getString("Mag");
         _PREHASH_DirPopularQuery = gMessageStringTable.getString("DirPopularQuery");
+        _PREHASH_Mag = gMessageStringTable.getString("Mag");
         _PREHASH_ParcelPropertiesRequestByID = gMessageStringTable.getString("ParcelPropertiesRequestByID");
         _PREHASH_ObjectLink = gMessageStringTable.getString("ObjectLink");
         _PREHASH_RpcScriptReplyInbound = gMessageStringTable.getString("RpcScriptReplyInbound");
@@ -1911,7 +1903,6 @@ void init_prehash_data()
         _PREHASH_TaskData = gMessageStringTable.getString("TaskData");
         _PREHASH_SimWideMaxPrims = gMessageStringTable.getString("SimWideMaxPrims");
         _PREHASH_TotalPrims = gMessageStringTable.getString("TotalPrims");
-        _PREHASH_SourceFilename = gMessageStringTable.getString("SourceFilename");
         _PREHASH_ProfileBegin = gMessageStringTable.getString("ProfileBegin");
         _PREHASH_MoneyDetailsRequest = gMessageStringTable.getString("MoneyDetailsRequest");
         _PREHASH_Request = gMessageStringTable.getString("Request");
@@ -1958,7 +1949,6 @@ void init_prehash_data()
         _PREHASH_GodKickUser = gMessageStringTable.getString("GodKickUser");
         _PREHASH_PickName = gMessageStringTable.getString("PickName");
         _PREHASH_TaskName = gMessageStringTable.getString("TaskName");
-        _PREHASH_ParcelGodReserveForNewbie = gMessageStringTable.getString("ParcelGodReserveForNewbie");
         _PREHASH_SubType = gMessageStringTable.getString("SubType");
         _PREHASH_ObjectCount = gMessageStringTable.getString("ObjectCount");
         _PREHASH_RegionPresenceRequestByHandle = gMessageStringTable.getString("RegionPresenceRequestByHandle");
@@ -1977,10 +1967,13 @@ void init_prehash_data()
         _PREHASH_ClearAgentSessions = gMessageStringTable.getString("ClearAgentSessions");
         _PREHASH_SetAlwaysRun = gMessageStringTable.getString("SetAlwaysRun");
         _PREHASH_NVPair = gMessageStringTable.getString("NVPair");
+        _PREHASH_SearchType = gMessageStringTable.getString("SearchType");
         _PREHASH_ObjectSpinStart = gMessageStringTable.getString("ObjectSpinStart");
         _PREHASH_UseEstateSun = gMessageStringTable.getString("UseEstateSun");
         _PREHASH_LogoutBlock = gMessageStringTable.getString("LogoutBlock");
+        _PREHASH_RelayLogControl = gMessageStringTable.getString("RelayLogControl");
         _PREHASH_RegionID = gMessageStringTable.getString("RegionID");
+        _PREHASH_AbuseRegionID = gMessageStringTable.getString("AbuseRegionID");
         _PREHASH_Creator = gMessageStringTable.getString("Creator");
         _PREHASH_ProposalText = gMessageStringTable.getString("ProposalText");
         _PREHASH_DirEventsReply = gMessageStringTable.getString("DirEventsReply");
@@ -2025,7 +2018,6 @@ void init_prehash_data()
         _PREHASH_TextureAnim = gMessageStringTable.getString("TextureAnim");
         _PREHASH_ReturnIDs = gMessageStringTable.getString("ReturnIDs");
         _PREHASH_Date = gMessageStringTable.getString("Date");
-        _PREHASH_GestureUpdate = gMessageStringTable.getString("GestureUpdate");
         _PREHASH_AgentWearablesUpdate = gMessageStringTable.getString("AgentWearablesUpdate");
         _PREHASH_AgentDataUpdate = gMessageStringTable.getString("AgentDataUpdate");
         _PREHASH_Hash = gMessageStringTable.getString("Hash");
@@ -2047,7 +2039,6 @@ void init_prehash_data()
         _PREHASH_AgentCachedTexture = gMessageStringTable.getString("AgentCachedTexture");
         _PREHASH_Subject = gMessageStringTable.getString("Subject");
         _PREHASH_East = gMessageStringTable.getString("East");
-        _PREHASH_GodExpungeUser = gMessageStringTable.getString("GodExpungeUser");
         _PREHASH_QueryReplies = gMessageStringTable.getString("QueryReplies");
         _PREHASH_ObjectCategory = gMessageStringTable.getString("ObjectCategory");
         _PREHASH_Time = gMessageStringTable.getString("Time");
@@ -2274,6 +2265,7 @@ void init_prehash_data()
         _PREHASH_Packet = gMessageStringTable.getString("Packet");
         _PREHASH_UndoLand = gMessageStringTable.getString("UndoLand");
         _PREHASH_SimAccess = gMessageStringTable.getString("SimAccess");
+        _PREHASH_AbuserID = gMessageStringTable.getString("AbuserID");
         _PREHASH_MembershipFee = gMessageStringTable.getString("MembershipFee");
         _PREHASH_InviteGroupResponse = gMessageStringTable.getString("InviteGroupResponse");
         _PREHASH_CreateInventoryFolder = gMessageStringTable.getString("CreateInventoryFolder");
@@ -2411,6 +2403,7 @@ void init_prehash_data()
         _PREHASH_StartDate = gMessageStringTable.getString("StartDate");
         _PREHASH_AnimID = gMessageStringTable.getString("AnimID");
         _PREHASH_Serial = gMessageStringTable.getString("Serial");
+        _PREHASH_AbuseRegionName = gMessageStringTable.getString("AbuseRegionName");
         _PREHASH_ControlPort = gMessageStringTable.getString("ControlPort");
         _PREHASH_ModifyLand = gMessageStringTable.getString("ModifyLand");
         _PREHASH_Digest = gMessageStringTable.getString("Digest");
@@ -2475,11 +2468,11 @@ void init_prehash_data()
         _PREHASH_TallyVotes = gMessageStringTable.getString("TallyVotes");
         _PREHASH_Result = gMessageStringTable.getString("Result");
         _PREHASH_LookAt = gMessageStringTable.getString("LookAt");
+        _PREHASH_SearchOrder = gMessageStringTable.getString("SearchOrder");
         _PREHASH_PayButton = gMessageStringTable.getString("PayButton");
         _PREHASH_SelfCount = gMessageStringTable.getString("SelfCount");
         _PREHASH_PacketCount = gMessageStringTable.getString("PacketCount");
         _PREHASH_ParcelBuyPass = gMessageStringTable.getString("ParcelBuyPass");
-        _PREHASH_Identified = gMessageStringTable.getString("Identified");
         _PREHASH_OldItemID = gMessageStringTable.getString("OldItemID");
         _PREHASH_RegionPort = gMessageStringTable.getString("RegionPort");
         _PREHASH_PriceEnergyUnit = gMessageStringTable.getString("PriceEnergyUnit");
@@ -2515,7 +2508,6 @@ void init_prehash_data()
         _PREHASH_TeleportLureRequest = gMessageStringTable.getString("TeleportLureRequest");
         _PREHASH_FolderID = gMessageStringTable.getString("FolderID");
         _PREHASH_RegionHandleRequest = gMessageStringTable.getString("RegionHandleRequest");
-        _PREHASH_GestureRequest = gMessageStringTable.getString("GestureRequest");
         _PREHASH_ScriptDataRequest = gMessageStringTable.getString("ScriptDataRequest");
         _PREHASH_GroupRoleDataRequest = gMessageStringTable.getString("GroupRoleDataRequest");
         _PREHASH_GroupTitlesRequest = gMessageStringTable.getString("GroupTitlesRequest");
@@ -2659,11 +2651,9 @@ void init_prehash_data()
         _PREHASH_JoinGroupReply = gMessageStringTable.getString("JoinGroupReply");
         _PREHASH_LiveHelpGroupReply = gMessageStringTable.getString("LiveHelpGroupReply");
         _PREHASH_Score = gMessageStringTable.getString("Score");
-        _PREHASH_ExpungeData = gMessageStringTable.getString("ExpungeData");
         _PREHASH_Image = gMessageStringTable.getString("Image");
         _PREHASH_ObjectClickAction = gMessageStringTable.getString("ObjectClickAction");
         _PREHASH_Delta = gMessageStringTable.getString("Delta");
-        _PREHASH_InitiateUpload = gMessageStringTable.getString("InitiateUpload");
         _PREHASH_Parameter = gMessageStringTable.getString("Parameter");
         _PREHASH_Flags = gMessageStringTable.getString("Flags");
         _PREHASH_Plane = gMessageStringTable.getString("Plane");
@@ -2699,7 +2689,6 @@ void init_prehash_data()
         _PREHASH_SimPosition = gMessageStringTable.getString("SimPosition");
         _PREHASH_SimWideTotalPrims = gMessageStringTable.getString("SimWideTotalPrims");
         _PREHASH_Index = gMessageStringTable.getString("Index");
-        _PREHASH_BaseFilename = gMessageStringTable.getString("BaseFilename");
         _PREHASH_SimFilename = gMessageStringTable.getString("SimFilename");
         _PREHASH_LastOwnerID = gMessageStringTable.getString("LastOwnerID");
         _PREHASH_GroupNoticeRequest = gMessageStringTable.getString("GroupNoticeRequest");
@@ -2784,6 +2773,7 @@ void init_prehash_data()
         _PREHASH_AcceptNotices = gMessageStringTable.getString("AcceptNotices");
         _PREHASH_SetGroupAcceptNotices = gMessageStringTable.getString("SetGroupAcceptNotices");
         _PREHASH_CloseCircuit = gMessageStringTable.getString("CloseCircuit");
+        _PREHASH_LogControl = gMessageStringTable.getString("LogControl");
         _PREHASH_TeleportFinish = gMessageStringTable.getString("TeleportFinish");
         _PREHASH_PathRevolutions = gMessageStringTable.getString("PathRevolutions");
         _PREHASH_ClassifiedInfoReply = gMessageStringTable.getString("ClassifiedInfoReply");
@@ -2963,7 +2953,6 @@ void init_prehash_data()
         _PREHASH_SpaceLocationTeleportReply = gMessageStringTable.getString("SpaceLocationTeleportReply");
         _PREHASH_MuteType = gMessageStringTable.getString("MuteType");
         _PREHASH_IMViaEMail = gMessageStringTable.getString("IMViaEMail");
-        _PREHASH_StartExpungeProcessAck = gMessageStringTable.getString("StartExpungeProcessAck");
         _PREHASH_RentPrice = gMessageStringTable.getString("RentPrice");
         _PREHASH_GenericMessage = gMessageStringTable.getString("GenericMessage");
         _PREHASH_ChildAgentAlive = gMessageStringTable.getString("ChildAgentAlive");
diff --git a/linden/indra/llmessage/message_prehash.h b/linden/indra/llmessage/message_prehash.h
index 9cb4884..84c769e 100644
--- a/linden/indra/llmessage/message_prehash.h
+++ b/linden/indra/llmessage/message_prehash.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2003-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -39,7 +40,6 @@ extern char * _PREHASH_X;
 extern char * _PREHASH_Y;
 extern char * _PREHASH_Z;
 extern char * _PREHASH_AddFlags;
-extern char * _PREHASH_ReservedNewbie;
 extern char * _PREHASH_FailureInfo;
 extern char * _PREHASH_MapData;
 extern char * _PREHASH_AddItem;
@@ -108,7 +108,6 @@ extern char * _PREHASH_RelatedRights;
 extern char * _PREHASH_RedirectGridX;
 extern char * _PREHASH_RedirectGridY;
 extern char * _PREHASH_TransferID;
-extern char * _PREHASH_Transacted;
 extern char * _PREHASH_TexturesChanged;
 extern char * _PREHASH_UserLookAt;
 extern char * _PREHASH_TestBlock1;
@@ -135,7 +134,6 @@ extern char * _PREHASH_SetSimStatusInDatabase;
 extern char * _PREHASH_SetSimPresenceInDatabase;
 extern char * _PREHASH_CameraProperty;
 extern char * _PREHASH_BrushSize;
-extern char * _PREHASH_StartExpungeProcess;
 extern char * _PREHASH_SimulatorSetMap;
 extern char * _PREHASH_RegionPresenceRequestByRegionID;
 extern char * _PREHASH_ParcelObjectOwnersReply;
@@ -229,8 +227,8 @@ extern char * _PREHASH_SimName;
 extern char * _PREHASH_UserReport;
 extern char * _PREHASH_DownloadPriority;
 extern char * _PREHASH_ToAgentId;
-extern char * _PREHASH_Mag;
 extern char * _PREHASH_DirPopularQuery;
+extern char * _PREHASH_Mag;
 extern char * _PREHASH_ParcelPropertiesRequestByID;
 extern char * _PREHASH_ObjectLink;
 extern char * _PREHASH_RpcScriptReplyInbound;
@@ -439,7 +437,6 @@ extern char * _PREHASH_TerminateFriendship;
 extern char * _PREHASH_TaskData;
 extern char * _PREHASH_SimWideMaxPrims;
 extern char * _PREHASH_TotalPrims;
-extern char * _PREHASH_SourceFilename;
 extern char * _PREHASH_ProfileBegin;
 extern char * _PREHASH_MoneyDetailsRequest;
 extern char * _PREHASH_Request;
@@ -486,7 +483,6 @@ extern char * _PREHASH_ParamInUse;
 extern char * _PREHASH_GodKickUser;
 extern char * _PREHASH_PickName;
 extern char * _PREHASH_TaskName;
-extern char * _PREHASH_ParcelGodReserveForNewbie;
 extern char * _PREHASH_SubType;
 extern char * _PREHASH_ObjectCount;
 extern char * _PREHASH_RegionPresenceRequestByHandle;
@@ -505,10 +501,13 @@ extern char * _PREHASH_UpdateParcel;
 extern char * _PREHASH_ClearAgentSessions;
 extern char * _PREHASH_SetAlwaysRun;
 extern char * _PREHASH_NVPair;
+extern char * _PREHASH_SearchType;
 extern char * _PREHASH_ObjectSpinStart;
 extern char * _PREHASH_UseEstateSun;
 extern char * _PREHASH_LogoutBlock;
+extern char * _PREHASH_RelayLogControl;
 extern char * _PREHASH_RegionID;
+extern char * _PREHASH_AbuseRegionID;
 extern char * _PREHASH_Creator;
 extern char * _PREHASH_ProposalText;
 extern char * _PREHASH_DirEventsReply;
@@ -553,7 +552,6 @@ extern char * _PREHASH_MaxY;
 extern char * _PREHASH_TextureAnim;
 extern char * _PREHASH_ReturnIDs;
 extern char * _PREHASH_Date;
-extern char * _PREHASH_GestureUpdate;
 extern char * _PREHASH_AgentWearablesUpdate;
 extern char * _PREHASH_AgentDataUpdate;
 extern char * _PREHASH_Hash;
@@ -575,7 +573,6 @@ extern char * _PREHASH_HistoryItemData;
 extern char * _PREHASH_AgentCachedTexture;
 extern char * _PREHASH_Subject;
 extern char * _PREHASH_East;
-extern char * _PREHASH_GodExpungeUser;
 extern char * _PREHASH_QueryReplies;
 extern char * _PREHASH_ObjectCategory;
 extern char * _PREHASH_Time;
@@ -802,6 +799,7 @@ extern char * _PREHASH_UnsubscribeLoad;
 extern char * _PREHASH_Packet;
 extern char * _PREHASH_UndoLand;
 extern char * _PREHASH_SimAccess;
+extern char * _PREHASH_AbuserID;
 extern char * _PREHASH_MembershipFee;
 extern char * _PREHASH_InviteGroupResponse;
 extern char * _PREHASH_CreateInventoryFolder;
@@ -939,6 +937,7 @@ extern char * _PREHASH_ImageNotInDatabase;
 extern char * _PREHASH_StartDate;
 extern char * _PREHASH_AnimID;
 extern char * _PREHASH_Serial;
+extern char * _PREHASH_AbuseRegionName;
 extern char * _PREHASH_ControlPort;
 extern char * _PREHASH_ModifyLand;
 extern char * _PREHASH_Digest;
@@ -1003,11 +1002,11 @@ extern char * _PREHASH_EventFlags;
 extern char * _PREHASH_TallyVotes;
 extern char * _PREHASH_Result;
 extern char * _PREHASH_LookAt;
+extern char * _PREHASH_SearchOrder;
 extern char * _PREHASH_PayButton;
 extern char * _PREHASH_SelfCount;
 extern char * _PREHASH_PacketCount;
 extern char * _PREHASH_ParcelBuyPass;
-extern char * _PREHASH_Identified;
 extern char * _PREHASH_OldItemID;
 extern char * _PREHASH_RegionPort;
 extern char * _PREHASH_PriceEnergyUnit;
@@ -1043,7 +1042,6 @@ extern char * _PREHASH_EconomyDataRequest;
 extern char * _PREHASH_TeleportLureRequest;
 extern char * _PREHASH_FolderID;
 extern char * _PREHASH_RegionHandleRequest;
-extern char * _PREHASH_GestureRequest;
 extern char * _PREHASH_ScriptDataRequest;
 extern char * _PREHASH_GroupRoleDataRequest;
 extern char * _PREHASH_GroupTitlesRequest;
@@ -1187,11 +1185,9 @@ extern char * _PREHASH_Ratio;
 extern char * _PREHASH_JoinGroupReply;
 extern char * _PREHASH_LiveHelpGroupReply;
 extern char * _PREHASH_Score;
-extern char * _PREHASH_ExpungeData;
 extern char * _PREHASH_Image;
 extern char * _PREHASH_ObjectClickAction;
 extern char * _PREHASH_Delta;
-extern char * _PREHASH_InitiateUpload;
 extern char * _PREHASH_Parameter;
 extern char * _PREHASH_Flags;
 extern char * _PREHASH_Plane;
@@ -1227,7 +1223,6 @@ extern char * _PREHASH_Disconnect;
 extern char * _PREHASH_SimPosition;
 extern char * _PREHASH_SimWideTotalPrims;
 extern char * _PREHASH_Index;
-extern char * _PREHASH_BaseFilename;
 extern char * _PREHASH_SimFilename;
 extern char * _PREHASH_LastOwnerID;
 extern char * _PREHASH_GroupNoticeRequest;
@@ -1312,6 +1307,7 @@ extern char * _PREHASH_AssetBlock;
 extern char * _PREHASH_AcceptNotices;
 extern char * _PREHASH_SetGroupAcceptNotices;
 extern char * _PREHASH_CloseCircuit;
+extern char * _PREHASH_LogControl;
 extern char * _PREHASH_TeleportFinish;
 extern char * _PREHASH_PathRevolutions;
 extern char * _PREHASH_ClassifiedInfoReply;
@@ -1491,7 +1487,6 @@ extern char * _PREHASH_DirLandReply;
 extern char * _PREHASH_SpaceLocationTeleportReply;
 extern char * _PREHASH_MuteType;
 extern char * _PREHASH_IMViaEMail;
-extern char * _PREHASH_StartExpungeProcessAck;
 extern char * _PREHASH_RentPrice;
 extern char * _PREHASH_GenericMessage;
 extern char * _PREHASH_ChildAgentAlive;
diff --git a/linden/indra/llmessage/message_string_table.cpp b/linden/indra/llmessage/message_string_table.cpp
index 7fea048..2ae269b 100644
--- a/linden/indra/llmessage/message_string_table.cpp
+++ b/linden/indra/llmessage/message_string_table.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/net.cpp b/linden/indra/llmessage/net.cpp
index de19ef8..c61f4a2 100644
--- a/linden/indra/llmessage/net.cpp
+++ b/linden/indra/llmessage/net.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2000-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -241,6 +242,12 @@ S32 start_net(S32& socket_out, int& nPort)
                         return 4;
                 }
         }
+
+        sockaddr_in socket_address;
+        S32 socket_address_size = sizeof(socket_address);
+        getsockname(hSocket, (SOCKADDR*) &socket_address, &socket_address_size);
+        attempt_port = ntohs(socket_address.sin_port);
+
         llinfos << "connected on port " << attempt_port << llendl;
         nPort = attempt_port;
         
diff --git a/linden/indra/llmessage/net.h b/linden/indra/llmessage/net.h
index d406006..b2f931f 100644
--- a/linden/indra/llmessage/net.h
+++ b/linden/indra/llmessage/net.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2000-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/network.cpp b/linden/indra/llmessage/network.cpp
index 46e9893..03aad63 100644
--- a/linden/indra/llmessage/network.cpp
+++ b/linden/indra/llmessage/network.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2000-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/network.h b/linden/indra/llmessage/network.h
index 8a20e32..6c6577b 100644
--- a/linden/indra/llmessage/network.h
+++ b/linden/indra/llmessage/network.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2000-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/partsyspacket.cpp b/linden/indra/llmessage/partsyspacket.cpp
index d6ba11e..4750faa 100644
--- a/linden/indra/llmessage/partsyspacket.cpp
+++ b/linden/indra/llmessage/partsyspacket.cpp
@@ -5,6 +5,7 @@
  *
  * Copyright (c) 2000-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/partsyspacket.h b/linden/indra/llmessage/partsyspacket.h
index 8e10e56..5dbc41c 100644
--- a/linden/indra/llmessage/partsyspacket.h
+++ b/linden/indra/llmessage/partsyspacket.h
@@ -5,6 +5,7 @@
  *
  * Copyright (c) 2000-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/patch_code.cpp b/linden/indra/llmessage/patch_code.cpp
index 3eb2be6..c996899 100644
--- a/linden/indra/llmessage/patch_code.cpp
+++ b/linden/indra/llmessage/patch_code.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2000-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/patch_code.h b/linden/indra/llmessage/patch_code.h
index 28b1839..ba3dea4 100644
--- a/linden/indra/llmessage/patch_code.h
+++ b/linden/indra/llmessage/patch_code.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2000-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/patch_dct.cpp b/linden/indra/llmessage/patch_dct.cpp
index b404c75..0e8aa25 100644
--- a/linden/indra/llmessage/patch_dct.cpp
+++ b/linden/indra/llmessage/patch_dct.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2000-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/patch_dct.h b/linden/indra/llmessage/patch_dct.h
index 5d98921..b69249e 100644
--- a/linden/indra/llmessage/patch_dct.h
+++ b/linden/indra/llmessage/patch_dct.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2000-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/patch_idct.cpp b/linden/indra/llmessage/patch_idct.cpp
index a20641f..680003a 100644
--- a/linden/indra/llmessage/patch_idct.cpp
+++ b/linden/indra/llmessage/patch_idct.cpp
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2000-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
diff --git a/linden/indra/llmessage/sound_ids.h b/linden/indra/llmessage/sound_ids.h
index 11452c0..2652778 100644
--- a/linden/indra/llmessage/sound_ids.h
+++ b/linden/indra/llmessage/sound_ids.h
@@ -4,6 +4,7 @@
  *
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement