From 642d2838eaaec6d44c241c34a2e874d62482d003 Mon Sep 17 00:00:00 2001
From: JamJar00 <jamster.30@btinternet.com>
Date: Thu, 12 May 2016 22:08:01 +0100
Subject: [PATCH] Added aknowledged flag

---
 Hazel/UdpConnection.Reliable.cs | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/Hazel/UdpConnection.Reliable.cs b/Hazel/UdpConnection.Reliable.cs
index fd53ab7..d69b393 100644
--- a/Hazel/UdpConnection.Reliable.cs
+++ b/Hazel/UdpConnection.Reliable.cs
@@ -56,8 +56,9 @@ namespace Hazel
         {
             public byte[] Data;
             public Timer Timer;
-            public int LastTimeout;
+            public volatile int LastTimeout;
             public Action AckCallback;
+            public volatile bool Acknowledged = false;
 
             public Packet(byte[] data, Action<Packet> resendAction, int timeout, Action ackCallback)
             {
@@ -103,7 +104,10 @@ namespace Hazel
 
                         //Double packet timeout
                         lock (p.Timer)
-                            p.Timer.Change(p.LastTimeout *= 2, Timeout.Infinite);
+                        {
+                            if (!p.Acknowledged)
+                                p.Timer.Change(p.LastTimeout *= 2, Timeout.Infinite);
+                        }
 
                         Trace.WriteLine("Resend.");
                     },
@@ -176,6 +180,8 @@ namespace Hazel
                 {
                     Packet packet = reliableDataPacketsSent[id];
                     
+                    packet.Acknowledged = true;
+
                     lock (packet.Timer)
                         packet.Timer.Dispose();
                     
-- 
2.39.5