From 68baf9096a6c1bfbd9a5d782c0e16244af733795 Mon Sep 17 00:00:00 2001
From: Teravus Ovares
Date: Mon, 19 Jan 2009 21:29:44 +0000
Subject: * Another image packet edge case. Thanks nebadon for printing a log
 of it

---
 .../Region/ClientStack/LindenUDP/LLImageManager.cs  | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLImageManager.cs b/OpenSim/Region/ClientStack/LindenUDP/LLImageManager.cs
index 97e6bbe..6e81632 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLImageManager.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLImageManager.cs
@@ -580,7 +580,21 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             //    Console.WriteLine("ENdPacket");
             //Console.WriteLine(String.Format("srcLen:{0}, BytePos:{1}, desLen:{2}, pktsize{3}", m_asset_ref.Data.Length, CurrentBytePosition(),0, imagePacketSize));
 
-            
+            bool atEnd = false;
+
+            // edge case
+            if ((CurrentBytePosition() + IMAGE_PACKET_SIZE) > m_asset_ref.Data.Length)
+            {
+                imagePacketSize = LastPacketSize();
+                atEnd = true;
+                // edge case 2!
+                if ((CurrentBytePosition() + imagePacketSize) > m_asset_ref.Data.Length)
+                {
+                    imagePacketSize = m_asset_ref.Data.Length - CurrentBytePosition();
+                    atEnd = true;
+                }
+            }
+
             byte[] imageData = new byte[imagePacketSize];
             try { Buffer.BlockCopy(m_asset_ref.Data, CurrentBytePosition(), imageData, 0, imagePacketSize); }
             catch (Exception e)
@@ -596,7 +610,12 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
             // Send next packet to the client
             client.SendImageNextPart((ushort)(CurrentPacket - 1), requestedUUID, imageData);
+            
             ++CurrentPacket;
+
+            if (atEnd)
+                CurrentPacket = StopPacket + 1;
+
             return true;
         }
         
-- 
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