From 548bbc97e5d6e2ffaa3068aa0847eaa6c401345d Mon Sep 17 00:00:00 2001
From: Justin Clarke Casey
Date: Wed, 6 Feb 2008 20:34:18 +0000
Subject: * Chasing down memory leak where memory used by a client is not
 returned on client logout * This code may or may not be on the right track,
 but I want to save my work so far.

---
 OpenSim/Region/ClientStack/ClientView.cs           |  5 +++
 OpenSim/Region/ClientStack/PacketServer.cs         |  8 ++++-
 OpenSim/Region/Environment/Modules/XferModule.cs   | 38 ++++++++++++++++++----
 OpenSim/Region/Environment/Scenes/ScenePresence.cs |  7 +++-
 4 files changed, 49 insertions(+), 9 deletions(-)

(limited to 'OpenSim/Region')

diff --git a/OpenSim/Region/ClientStack/ClientView.cs b/OpenSim/Region/ClientStack/ClientView.cs
index 10bf0d1..aeac1b2 100644
--- a/OpenSim/Region/ClientStack/ClientView.cs
+++ b/OpenSim/Region/ClientStack/ClientView.cs
@@ -51,6 +51,11 @@ namespace OpenSim.Region.ClientStack
     /// </summary>
     public class ClientView : IClientAPI
     {
+        ~ClientView()
+        {
+            m_log.Info("[CLIENTVIEW]: Dstructor called");                       
+        }
+        
         private static readonly log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
 
         /* static variables */
diff --git a/OpenSim/Region/ClientStack/PacketServer.cs b/OpenSim/Region/ClientStack/PacketServer.cs
index 7e01adf..9608ce5 100644
--- a/OpenSim/Region/ClientStack/PacketServer.cs
+++ b/OpenSim/Region/ClientStack/PacketServer.cs
@@ -36,6 +36,9 @@ namespace OpenSim.Region.ClientStack
 {
     public class PacketServer
     {
+        private static readonly log4net.ILog m_log 
+            = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
+
         private ClientStackNetworkHandler m_networkHandler;
         private IScene m_scene;
 
@@ -132,8 +135,11 @@ namespace OpenSim.Region.ClientStack
 
         public virtual void CloseClient(IClientAPI client)
         {
+            //m_log.Info("PacketServer:CloseClient()");
+            
             CloseCircuit(client.CircuitCode);
             client.Close(false);
+            m_scene.ClientManager.Remove(client.CircuitCode);
         }
     }
-}
\ No newline at end of file
+}
diff --git a/OpenSim/Region/Environment/Modules/XferModule.cs b/OpenSim/Region/Environment/Modules/XferModule.cs
index f8da9af..131e2b0 100644
--- a/OpenSim/Region/Environment/Modules/XferModule.cs
+++ b/OpenSim/Region/Environment/Modules/XferModule.cs
@@ -97,7 +97,11 @@ namespace OpenSim.Region.Environment.Modules
                         XferDownLoad transaction = new XferDownLoad(fileName, fileData, xferID, remoteClient);
                         Transfers.Add(xferID, transaction);
                         NewFiles.Remove(fileName);
-                        transaction.StartSend();
+                        
+                        if (transaction.StartSend())
+                        {
+                            Transfers.Remove(xferID);
+                        }
                     }
                 }
             }
@@ -107,7 +111,12 @@ namespace OpenSim.Region.Environment.Modules
         {
             if (Transfers.ContainsKey(xferID))
             {
-                Transfers[xferID].AckPacket(packet);
+                if (Transfers[xferID].AckPacket(packet))
+                {
+                    {
+                        Transfers.Remove(xferID);
+                    }
+                }
             }
         }
 
@@ -137,7 +146,7 @@ namespace OpenSim.Region.Environment.Modules
             public uint Packet = 0;
             public IClientAPI Client;
             public uint Serial = 1;
-            private bool complete = false;
+            private bool complete;
 
             public XferDownLoad(string fileName, byte[] data, ulong xferID, IClientAPI client)
             {
@@ -151,7 +160,11 @@ namespace OpenSim.Region.Environment.Modules
             {
             }
 
-            public void StartSend()
+            /// <summary>
+            /// Start a transfer
+            /// </summary>
+            /// <returns>True if the transfer is complete, false if not</returns>
+            public bool StartSend()
             {
                 if (Data.Length < 1000)
                 {
@@ -160,6 +173,7 @@ namespace OpenSim.Region.Environment.Modules
                     Array.Copy(Helpers.IntToBytes(Data.Length), 0, transferData, 0, 4);
                     Array.Copy(Data, 0, transferData, 4, Data.Length);
                     Client.SendXferPacket(XferID, 0 + 0x80000000, transferData);
+                    
                     complete = true;
                 }
                 else
@@ -169,11 +183,18 @@ namespace OpenSim.Region.Environment.Modules
                     Array.Copy(Data, 0, transferData, 4, 1000);
                     Client.SendXferPacket(XferID, 0, transferData);
                     Packet++;
-                    DataPointer = 1000;
+                    DataPointer = 1000;                 
                 }
+                
+                return complete;                
             }
 
-            public void AckPacket(uint packet)
+            /// <summary>
+            /// Respond to an ack packet from the client
+            /// </summary>
+            /// <param name="packet"></param>
+            /// <returns>True if the transfer is complete, false otherwise</returns>
+            public bool AckPacket(uint packet)
             {
                 if (!complete)
                 {
@@ -193,10 +214,13 @@ namespace OpenSim.Region.Environment.Modules
                         Client.SendXferPacket(XferID, endPacket, transferData);
                         Packet++;
                         DataPointer += (Data.Length - DataPointer);
+                        
                         complete = true;
                     }
                 }
+                
+                return complete;
             }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/OpenSim/Region/Environment/Scenes/ScenePresence.cs b/OpenSim/Region/Environment/Scenes/ScenePresence.cs
index 109f23c..4062ef6 100644
--- a/OpenSim/Region/Environment/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Environment/Scenes/ScenePresence.cs
@@ -39,6 +39,11 @@ namespace OpenSim.Region.Environment.Scenes
 {
     public class ScenePresence : EntityBase
     {
+        ~ScenePresence()
+        {
+            m_log.Info("[ScenePresence] Destructor called");
+        }
+        
         private static readonly log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
 
         public static AvatarAnimations Animations = new AvatarAnimations();
@@ -1728,4 +1733,4 @@ namespace OpenSim.Region.Environment.Scenes
             RemoveFromPhysicalScene();
         }
     }
-}
\ No newline at end of file
+}
-- 
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