1 files changed, 30 insertions, 22 deletions

diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLUDPServer.cs b/OpenSim/Region/ClientStack/LindenUDP/LLUDPServer.cs
index 3c4fa72..d708055 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLUDPServer.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLUDPServer.cs
@@ -513,6 +513,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             byte flags = buffer.Data[0];
             bool isResend = (flags & Helpers.MSG_RESENT) != 0;
             bool isReliable = (flags & Helpers.MSG_RELIABLE) != 0;
+            bool isZerocoded = (flags & Helpers.MSG_ZEROCODED) != 0;
             LLUDPClient udpClient = outgoingPacket.Client;
 
             if (!udpClient.IsConnected)
@@ -522,23 +523,27 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
             int dataLength = buffer.DataLength;
 
-            // Keep appending ACKs until there is no room left in the buffer or there are
-            // no more ACKs to append
-            uint ackCount = 0;
-            uint ack;
-            while (dataLength + 5 < buffer.Data.Length && udpClient.PendingAcks.Dequeue(out ack))
+            // NOTE: I'm seeing problems with some viewers when ACKs are appended to zerocoded packets so I've disabled that here
+            if (!isZerocoded)
             {
-                Utils.UIntToBytesBig(ack, buffer.Data, dataLength);
-                dataLength += 4;
-                ++ackCount;
-            }
+                // Keep appending ACKs until there is no room left in the buffer or there are
+                // no more ACKs to append
+                uint ackCount = 0;
+                uint ack;
+                while (dataLength + 5 < buffer.Data.Length && udpClient.PendingAcks.Dequeue(out ack))
+                {
+                    Utils.UIntToBytesBig(ack, buffer.Data, dataLength);
+                    dataLength += 4;
+                    ++ackCount;
+                }
 
-            if (ackCount > 0)
-            {
-                // Set the last byte of the packet equal to the number of appended ACKs
-                buffer.Data[dataLength++] = (byte)ackCount;
-                // Set the appended ACKs flag on this packet
-                buffer.Data[0] = (byte)(buffer.Data[0] | Helpers.MSG_APPENDED_ACKS);
+                if (ackCount > 0)
+                {
+                    // Set the last byte of the packet equal to the number of appended ACKs
+                    buffer.Data[dataLength++] = (byte)ackCount;
+                    // Set the appended ACKs flag on this packet
+                    buffer.Data[0] = (byte)(buffer.Data[0] | Helpers.MSG_APPENDED_ACKS);
+                }
             }
 
             buffer.DataLength = dataLength;
@@ -596,15 +601,14 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             }
             catch (MalformedDataException)
             {
-                m_log.ErrorFormat("[LLUDPSERVER]: Malformed data, cannot parse packet from {0}:\n{1}",
-                    buffer.RemoteEndPoint, Utils.BytesToHexString(buffer.Data, buffer.DataLength, null));
             }
 
             // Fail-safe check
             if (packet == null)
             {
-                m_log.Warn("[LLUDPSERVER]: Couldn't build a message from incoming data " + buffer.DataLength +
-                    " bytes long from " + buffer.RemoteEndPoint);
+                m_log.ErrorFormat("[LLUDPSERVER]: Malformed data, cannot parse {0} byte packet from {1}:",
+                    buffer.DataLength, buffer.RemoteEndPoint);
+                m_log.Error(Utils.BytesToHexString(buffer.Data, buffer.DataLength, null));
                 return;
             }
 
@@ -905,7 +909,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 client.OnLogout += LogoutHandler;
 
                 // Start the IClientAPI
-                client.Start();
+                // Spin it off so that it doesn't clog up the LLUDPServer
+                Util.FireAndForget(delegate(object o) { client.Start(); });
             }
             else
             {
@@ -919,7 +924,10 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             // Remove this client from the scene
             IClientAPI client;
             if (m_scene.TryGetClient(udpClient.AgentID, out client))
-                client.Close();
+            {
+                client.IsLoggingOut = true;
+                client.Close(false);
+            }
         }
 
         private void IncomingPacketHandler()
@@ -1018,7 +1026,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
                     // Handle outgoing packets, resends, acknowledgements, and pings for each
                     // client. m_packetSent will be set to true if a packet is sent
-                    m_scene.ForEachClient(clientPacketHandler, false);
+                    m_scene.ForEachClient(clientPacketHandler);
 
                     // If nothing was sent, sleep for the minimum amount of time before a
                     // token bucket could get more tokens