* Refactors call to OutPacket out of AssetCache and into LLClientView

3 files changed, 82 insertions, 68 deletions

diff --git a/OpenSim/Framework/AssetRequestToClient.cs b/OpenSim/Framework/AssetRequestToClient.cs
new file mode 100644
index 0000000..916b9f5
--- /dev/null
+++ b/OpenSim/Framework/AssetRequestToClient.cs
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSim Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+using libsecondlife;
+
+namespace OpenSim.Framework
+{
+    /// <summary>
+    /// This class was created to refactor OutPacket out of AssetCache
+    /// There is a conflict between 
+    /// OpenSim.Framework.Communications.Cache.AssetRequest and OpenSim.Framework.AssetRequest
+    /// and unifying them results in a prebuild chicken and egg problem with OpenSim.Framework requiring 
+    /// OpenSim.Framework.Communications.Cache while OpenSim.Framework.Communications.Cache 
+    /// requiring OpenSim.Framework
+    /// </summary>
+    public class AssetRequestToClient
+    {
+        public LLUUID RequestAssetID;
+        public AssetBase AssetInf;
+        public AssetBase ImageInfo;
+        public LLUUID TransferRequestID;
+        public long DataPointer = 0;
+        public int NumPackets = 0;
+        public int PacketCounter = 0;
+        public bool IsTextureRequest;
+        public byte AssetRequestSource = 2;
+        public byte[] Params = null;
+        //public bool AssetInCache;
+        //public int TimeRequested;
+        public int DiscardLevel = -1;
+
+        public AssetRequestToClient()
+        {
+        }
+    }
+}
diff --git a/OpenSim/Framework/Communications/Cache/AssetCache.cs b/OpenSim/Framework/Communications/Cache/AssetCache.cs
index a1d9c73..2c51160 100644
--- a/OpenSim/Framework/Communications/Cache/AssetCache.cs
+++ b/OpenSim/Framework/Communications/Cache/AssetCache.cs
@@ -612,80 +612,29 @@ namespace OpenSim.Framework.Communications.Cache
             int num = Math.Min(5, AssetRequests.Count);
 
             AssetRequest req;
+            AssetRequestToClient req2 = null;
             for (int i = 0; i < num; i++)
             {
                 req = (AssetRequest)AssetRequests[i];
-                //Console.WriteLine("sending asset " + req.RequestAssetID);
-                TransferInfoPacket Transfer = new TransferInfoPacket();
-                Transfer.TransferInfo.ChannelType = 2;
-                Transfer.TransferInfo.Status = 0;
-                Transfer.TransferInfo.TargetType = 0;
-                if (req.AssetRequestSource == 2)
+                if (req2 == null)
                 {
-                    Transfer.TransferInfo.Params = new byte[20];
-                    Array.Copy(req.RequestAssetID.GetBytes(), 0, Transfer.TransferInfo.Params, 0, 16);
-                    int assType = (int)req.AssetInf.Type;
-                    Array.Copy(Helpers.IntToBytes(assType), 0, Transfer.TransferInfo.Params, 16, 4);
+                    req2 = new AssetRequestToClient();
                 }
-                else if (req.AssetRequestSource == 3)
-                {
-                    Transfer.TransferInfo.Params = req.Params;
-                    // Transfer.TransferInfo.Params = new byte[100];
-                    //Array.Copy(req.RequestUser.AgentId.GetBytes(), 0, Transfer.TransferInfo.Params, 0, 16);
-                    //Array.Copy(req.RequestUser.SessionId.GetBytes(), 0, Transfer.TransferInfo.Params, 16, 16);
-                }
-                Transfer.TransferInfo.Size = (int)req.AssetInf.Data.Length;
-                Transfer.TransferInfo.TransferID = req.TransferRequestID;
-                Transfer.Header.Zerocoded = true;
-                req.RequestUser.OutPacket(Transfer, ThrottleOutPacketType.Asset);
+                // Trying to limit memory usage by only creating AssetRequestToClient if needed
+                //req2 = new AssetRequestToClient();
+                req2.AssetInf = (AssetBase)req.AssetInf;
+                req2.AssetRequestSource = req.AssetRequestSource;
+                req2.DataPointer = req.DataPointer;
+                req2.DiscardLevel = req.DiscardLevel;
+                req2.ImageInfo = (AssetBase)req.ImageInfo;
+                req2.IsTextureRequest = req.IsTextureRequest;
+                req2.NumPackets = req.NumPackets;
+                req2.PacketCounter = req.PacketCounter;
+                req2.Params = req.Params;
+                req2.RequestAssetID = req.RequestAssetID;
+                req2.TransferRequestID = req.TransferRequestID;
+                req.RequestUser.SendAsset(req2);
 
-                if (req.NumPackets == 1)
-                {
-                    TransferPacketPacket TransferPacket = new TransferPacketPacket();
-                    TransferPacket.TransferData.Packet = 0;
-                    TransferPacket.TransferData.ChannelType = 2;
-                    TransferPacket.TransferData.TransferID = req.TransferRequestID;
-                    TransferPacket.TransferData.Data = req.AssetInf.Data;
-                    TransferPacket.TransferData.Status = 1;
-                    TransferPacket.Header.Zerocoded = true;
-                    req.RequestUser.OutPacket(TransferPacket, ThrottleOutPacketType.Asset);
-                }
-                else
-                {
-                    int processedLength = 0;
-                    // libsecondlife hardcodes 1500 as the maximum data chunk size
-                    int maxChunkSize = 1250;
-                    int packetNumber = 0;
-
-                    while (processedLength < req.AssetInf.Data.Length)
-                    {
-                        TransferPacketPacket TransferPacket = new TransferPacketPacket();
-                        TransferPacket.TransferData.Packet = packetNumber;
-                        TransferPacket.TransferData.ChannelType = 2;
-                        TransferPacket.TransferData.TransferID = req.TransferRequestID;
-
-                        int chunkSize = Math.Min(req.AssetInf.Data.Length - processedLength, maxChunkSize);
-                        byte[] chunk = new byte[chunkSize];
-                        Array.Copy(req.AssetInf.Data, processedLength, chunk, 0, chunk.Length);
-
-                        TransferPacket.TransferData.Data = chunk;
-
-                        // 0 indicates more packets to come, 1 indicates last packet
-                        if (req.AssetInf.Data.Length - processedLength > maxChunkSize)
-                        {
-                            TransferPacket.TransferData.Status = 0;
-                        }
-                        else
-                        {
-                            TransferPacket.TransferData.Status = 1;
-                        }
-                        TransferPacket.Header.Zerocoded = true;
-                        req.RequestUser.OutPacket(TransferPacket, ThrottleOutPacketType.Asset);
-
-                        processedLength += chunkSize;
-                        packetNumber++;
-                    }
-                }
             }
 
             //remove requests that have been completed
diff --git a/OpenSim/Framework/IClientAPI.cs b/OpenSim/Framework/IClientAPI.cs
index 11cc166..fafd31d 100644
--- a/OpenSim/Framework/IClientAPI.cs
+++ b/OpenSim/Framework/IClientAPI.cs
@@ -1011,6 +1011,8 @@ namespace OpenSim.Framework
 
         void SendLandStatReply(uint reportType, uint requestFlags, uint resultCount, LandStatReportItem[] lsrpia);
 
+        void SendAsset(AssetRequestToClient req);
+
         byte[] GetThrottlesPacked(float multiplier);