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diff --git a/linden/indra/llcommon/lllog.cpp b/linden/indra/llcommon/lllog.cpp
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+++ b/linden/indra/llcommon/lllog.cpp
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+/** 
+ * @file lllog.cpp
+ * @author Don
+ * @date 2007-11-27
+ * @brief  Class to log messages to syslog for streambase to process.
+ *
+ * $LicenseInfo:firstyear=2007&license=viewergpl$
+ * 
+ * Copyright (c) 2007-2008, 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://secondlifegrid.net/programs/open_source/licensing/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://secondlifegrid.net/programs/open_source/licensing/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.
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+#include "lllog.h"
+
+#include "llapp.h"
+#include "llsd.h"
+#include "llsdserialize.h"
+
+
+class LLLogImpl
+{
+public:
+        LLLogImpl(LLApp* app) : mApp(app) {}
+        ~LLLogImpl() {}
+
+        void log(const std::string message, LLSD& info);
+        bool useLegacyLogMessage(const std::string message);
+
+private:
+        LLApp* mApp;
+};
+
+
+//@brief Function to log a message to syslog for streambase to collect.
+void LLLogImpl::log(const std::string message, LLSD& info)
+{
+        static S32 sequence = 0;
+    LLSD log_config = mApp->getOption("log-messages");
+        if (log_config.has(message))
+        {
+                LLSD message_config = log_config[message];
+                if (message_config.has("use-syslog"))
+                {
+                        if (! message_config["use-syslog"].asBoolean())
+                        {
+                                return;
+                        }
+                }
+        }
+        llinfos << "LLLOGMESSAGE (" << (sequence++) << ") " << message << " " << LLSDNotationStreamer(info) << llendl;
+}
+
+//@brief Function to check if specified legacy log message should be sent.
+bool LLLogImpl::useLegacyLogMessage(const std::string message)
+{
+    LLSD log_config = mApp->getOption("log-messages");
+        if (log_config.has(message))
+        {
+                LLSD message_config = log_config[message];
+                if (message_config.has("use-legacy"))
+                {
+                        return message_config["use-legacy"].asBoolean();
+                }
+        }
+        return true;
+}
+
+
+LLLog::LLLog(LLApp* app)
+{
+        mImpl = new LLLogImpl(app);
+}
+
+LLLog::~LLLog()
+{
+        delete mImpl;
+        mImpl = NULL;
+}
+
+void LLLog::log(const std::string message, LLSD& info)
+{
+        if (mImpl) mImpl->log(message, info);
+}
+
+bool LLLog::useLegacyLogMessage(const std::string message)
+{
+        if (mImpl)
+        {
+                return mImpl->useLegacyLogMessage(message);
+        }
+        return true;
+}
+