From 8c7149063bce41cac6543757c7b917583f21ea90 Mon Sep 17 00:00:00 2001
From: Justin Clark-Casey (justincc)
Date: Tue, 12 Jun 2012 01:23:40 +0100
Subject: In PresenceDetector.OnConnectionClose(), use the IsChildAgent check
 already available on IClientAPI.SceneAgent rather than retrieving it again by
 scanning all scenes.

---
 OpenSim/Framework/IClientAPI.cs                    | 22 ++++++++++++++++------
 .../Region/ClientStack/Linden/UDP/LLClientView.cs  |  4 ++--
 .../Presence/PresenceDetector.cs                   | 13 +------------
 OpenSim/Region/Framework/Scenes/Scene.cs           |  7 +++----
 4 files changed, 22 insertions(+), 24 deletions(-)

(limited to 'OpenSim')

diff --git a/OpenSim/Framework/IClientAPI.cs b/OpenSim/Framework/IClientAPI.cs
index 869b069..f8b6a84 100644
--- a/OpenSim/Framework/IClientAPI.cs
+++ b/OpenSim/Framework/IClientAPI.cs
@@ -740,14 +740,24 @@ namespace OpenSim.Framework
         /// </summary>
         string Name { get; }
 
-        /// <value>
-        /// Determines whether the client thread is doing anything or not.
-        /// </value>
+        /// <summary>
+        /// True if the client is active (sending and receiving new UDP messages).  False if the client is closing.
+        /// </summary>
         bool IsActive { get; set; }
 
-        /// <value>
-        /// Determines whether the client is or has been removed from a given scene
-        /// </value>
+        /// <summary>
+        /// Set if the client is closing due to a logout request or because of too much time since last ack.
+        /// </summary>
+        /// <remarks>
+        /// Do not use this flag if you want to know if the client is closing, since it will not be set in other
+        /// circumstances (e.g. if a child agent is closed or the agent is kicked off the simulator).  Use IsActive
+        /// instead.
+        ///
+        /// Only set for root agents.
+        ///
+        /// TODO: Too much time since last ack should probably be a separate property, or possibly part of a state
+        /// machine.
+        /// </remarks>
         bool IsLoggingOut { get; set; }
         
         bool SendLogoutPacketWhenClosing { set; }
diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
index 74b9c6d..c4f167e 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
@@ -490,12 +490,12 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         /// </summary>
         public void Close()
         {
+            IsActive = false;
+
             m_log.DebugFormat(
                 "[CLIENT]: Close has been called for {0} attached to scene {1}",
                 Name, m_scene.RegionInfo.RegionName);
 
-            IsActive = false;
-
             // Shutdown the image manager
             ImageManager.Close();
 
diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Presence/PresenceDetector.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Presence/PresenceDetector.cs
index ccfbf78..b43745c 100644
--- a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Presence/PresenceDetector.cs
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Presence/PresenceDetector.cs
@@ -64,7 +64,6 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Presence
             scene.EventManager.OnNewClient -= OnNewClient;
 
             m_PresenceService.LogoutRegionAgents(scene.RegionInfo.RegionID);
-
         }
 
         public void OnMakeRootAgent(ScenePresence sp)
@@ -80,18 +79,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Presence
 
         public void OnConnectionClose(IClientAPI client)
         {
-            if (client.IsLoggingOut)
+            if (client.IsLoggingOut && !client.SceneAgent.IsChildAgent)
             {
-                object sp = null;
-                if (client.Scene.TryGetScenePresence(client.AgentId, out sp))
-                {
-                    if (sp is ScenePresence)
-                    {
-                        if (((ScenePresence)sp).IsChildAgent)
-                            return;
-                    }
-                }
-
 //                m_log.DebugFormat("[PRESENCE DETECTOR]: Detected client logout {0} in {1}", client.AgentId, client.Scene.RegionInfo.RegionName);
                 m_PresenceService.LogoutAgent(client.SessionId);
             }
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 7afde38..1305d83 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -3463,10 +3463,9 @@ namespace OpenSim.Region.Framework.Scenes
                 // Or the same user is trying to be root twice here, won't work.
                 // Kill it.
                 m_log.DebugFormat(
-                    "[SCENE]: Zombie scene presence detected for {0} in {1}",
-                    agent.AgentID,
-                    RegionInfo.RegionName
-                );
+                    "[SCENE]: Zombie scene presence detected for {0} {1} in {2}",
+                    sp.Name, sp.UUID, RegionInfo.RegionName);
+
                 sp.ControllingClient.Close();
                 sp = null;
             }
-- 
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