From 008c6a4610fa7b710a9e2546cc09d9fee57e5795 Mon Sep 17 00:00:00 2001
From: Talun
Date: Fri, 1 Jun 2012 00:39:26 +0100
Subject: Mantis 4597 AgentPaused packet is ignored.

The packet was actually being handled but not acted on.
This change extends the default timeout for paused clients to 5 minutes
and makes both the paused and non-paused timeout periods configurable.
---
 OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

(limited to 'OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs')

diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
index edf91cb..32ba590 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
@@ -155,7 +155,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
         private int m_defaultRTO = 0;
         private int m_maxRTO = 0;
-
+        private int m_ackTimeout = 0;
+        private int m_pausedAckTimeout = 0;
         private bool m_disableFacelights = false;
 
         public Socket Server { get { return null; } }
@@ -198,11 +199,15 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 m_defaultRTO = config.GetInt("DefaultRTO", 0);
                 m_maxRTO = config.GetInt("MaxRTO", 0);
                 m_disableFacelights = config.GetBoolean("DisableFacelights", false);
+                m_ackTimeout = 1000 * config.GetInt("AckTimeout", 60);
+                m_pausedAckTimeout = 1000 * config.GetInt("PausedAckTimeout", 300);
             }
             else
             {
                 PrimUpdatesPerCallback = 100;
                 TextureSendLimit = 20;
+                m_ackTimeout = 1000 * 60; // 1 minute
+                m_pausedAckTimeout = 1000 * 300; // 5 minutes
             }
 
             #region BinaryStats
@@ -491,8 +496,15 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 return;
 
             // Disconnect an agent if no packets are received for some time
-            //FIXME: Make 60 an .ini setting
-            if ((Environment.TickCount & Int32.MaxValue) - udpClient.TickLastPacketReceived > 1000 * 60)
+            int timeoutTicks = m_ackTimeout;
+
+            // Allow more slack if the client is "paused" eg file upload dialogue is open
+            // Some sort of limit is needed in case the client crashes, loses its network connection
+            // or some other disaster prevents it from sendung the AgentResume
+            if (udpClient.IsPaused)
+                timeoutTicks = m_pausedAckTimeout;
+
+            if ((Environment.TickCount & Int32.MaxValue) - udpClient.TickLastPacketReceived > timeoutTicks)
             {
                 m_log.Warn("[LLUDPSERVER]: Ack timeout, disconnecting " + udpClient.AgentID);
                 StatsManager.SimExtraStats.AddAbnormalClientThreadTermination();
-- 
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