From 91b1d17e5bd3ff6ed006744bc529b53a67af1a64 Mon Sep 17 00:00:00 2001
From: Tom Grimshaw
Date: Tue, 18 May 2010 01:09:47 -0700
Subject: Fix for hanging on "Connecting to region".. caused by packets being
 processed before the presence has bound to receive events. Fixed this by
 adding packets to a queue and then processing them when the presence is
 ready.

---
 .../Region/ClientStack/LindenUDP/LLClientView.cs   | 37 +++++++++++++++++++---
 1 file changed, 32 insertions(+), 5 deletions(-)

(limited to 'OpenSim/Region/ClientStack')

diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs b/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
index 5670a78..df6a767 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
@@ -376,6 +376,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         private AgentUpdateArgs lastarg;
         private bool m_IsActive = true;
         private bool m_IsLoggingOut = false;
+        private bool m_IsPresenceReady = false;
 
         protected Dictionary<PacketType, PacketProcessor> m_packetHandlers = new Dictionary<PacketType, PacketProcessor>();
         protected Dictionary<string, GenericMessage> m_genericPacketHandlers = new Dictionary<string, GenericMessage>(); //PauPaw:Local Generic Message handlers
@@ -399,6 +400,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
         private Timer m_propertiesPacketTimer;
         private List<ObjectPropertiesPacket.ObjectDataBlock> m_propertiesBlocks = new List<ObjectPropertiesPacket.ObjectDataBlock>();
+        private List<Packet> m_pendingPackets;
 
         #endregion Class Members
 
@@ -439,6 +441,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             get { return m_IsActive; }
             set { m_IsActive = value; }
         }
+
         public bool IsLoggingOut
         {
             get { return m_IsLoggingOut; }
@@ -11196,18 +11199,42 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         }
 
         /// <summary>
+        /// This processes packets which have accumulated while the presence was still in the process of initialising.
+        /// </summary>
+        public void ProcessPendingPackets()
+        {
+            m_IsPresenceReady = true;
+            foreach (Packet p in m_pendingPackets)
+            {
+                ProcessInPacket(p);
+            }
+            m_pendingPackets.Clear();
+        }
+
+        /// <summary>
         /// Entryway from the client to the simulator.  All UDP packets from the client will end up here
         /// </summary>
         /// <param name="Pack">OpenMetaverse.packet</param>
         public void ProcessInPacket(Packet Pack)
         {
-            if (m_debugPacketLevel >= 255)
-                m_log.DebugFormat("[CLIENT]: Packet IN {0}", Pack.Type);
+            if (!m_IsPresenceReady)
+            {
+                if (m_pendingPackets == null)
+                {
+                    m_pendingPackets = new List<Packet>();
+                }
+                m_pendingPackets.Add(Pack);
+            }
+            else
+            {
+                if (m_debugPacketLevel >= 255)
+                    m_log.DebugFormat("[CLIENT]: Packet IN {0}", Pack.Type);
 
-            if (!ProcessPacketMethod(Pack))
-                m_log.Warn("[CLIENT]: unhandled packet " + Pack.Type);
+                if (!ProcessPacketMethod(Pack))
+                    m_log.Warn("[CLIENT]: unhandled packet " + Pack.Type);
 
-            PacketPool.Instance.ReturnPacket(Pack);
+                PacketPool.Instance.ReturnPacket(Pack);
+            }
         }
 
         private static PrimitiveBaseShape GetShapeFromAddPacket(ObjectAddPacket addPacket)
-- 
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