17 files changed, 122 insertions, 53 deletions

diff --git a/OpenSim/Framework/Servers/BaseOpenSimServer.cs b/OpenSim/Framework/Servers/BaseOpenSimServer.cs
index 586cde6..daddd1f 100644
--- a/OpenSim/Framework/Servers/BaseOpenSimServer.cs
+++ b/OpenSim/Framework/Servers/BaseOpenSimServer.cs
@@ -247,7 +247,7 @@ namespace OpenSim.Framework.Servers
             string reportFormat = "{0,6}   {1,35}   {2,16}   {3,13}   {4,10}   {5,30}";
 
             StringBuilder sb = new StringBuilder();
-            Watchdog.ThreadWatchdogInfo[] threads = Watchdog.GetThreads();
+            Watchdog.ThreadWatchdogInfo[] threads = Watchdog.GetThreadsInfo();
 
             sb.Append(threads.Length + " threads are being tracked:" + Environment.NewLine);
 
diff --git a/OpenSim/Framework/Servers/HttpServer/PollServiceRequestManager.cs b/OpenSim/Framework/Servers/HttpServer/PollServiceRequestManager.cs
index 2206feb..0062d4e 100644
--- a/OpenSim/Framework/Servers/HttpServer/PollServiceRequestManager.cs
+++ b/OpenSim/Framework/Servers/HttpServer/PollServiceRequestManager.cs
@@ -65,6 +65,7 @@ namespace OpenSim.Framework.Servers.HttpServer
                         String.Format("PollServiceWorkerThread{0}", i),
                         ThreadPriority.Normal,
                         false,
+                        true,
                         int.MaxValue);
             }
 
@@ -73,6 +74,7 @@ namespace OpenSim.Framework.Servers.HttpServer
                 "PollServiceWatcherThread",
                 ThreadPriority.Normal,
                 false,
+                true,
                 1000 * 60 * 10);
         }
 
diff --git a/OpenSim/Framework/Watchdog.cs b/OpenSim/Framework/Watchdog.cs
index fa94109..881b6aa 100644
--- a/OpenSim/Framework/Watchdog.cs
+++ b/OpenSim/Framework/Watchdog.cs
@@ -72,6 +72,11 @@ namespace OpenSim.Framework
             /// </summary>
             public bool IsTimedOut { get; set; }
 
+            /// <summary>
+            /// Will this thread trigger the alarm function if it has timed out?
+            /// </summary>
+            public bool AlarmIfTimeout { get; set; }
+
             public ThreadWatchdogInfo(Thread thread, int timeout)
             {
                 Thread = thread;
@@ -112,12 +117,13 @@ namespace OpenSim.Framework
         /// <param name="start">The method that will be executed in a new thread</param>
         /// <param name="name">A name to give to the new thread</param>
         /// <param name="priority">Priority to run the thread at</param>
-        /// <param name="isBackground">True to run this thread as a background
-        /// thread, otherwise false</param>
+        /// <param name="isBackground">True to run this thread as a background thread, otherwise false</param>
+        /// <param name="alarmIfTimeout">Trigger an alarm function is we have timed out</param>
         /// <returns>The newly created Thread object</returns>
-        public static Thread StartThread(ThreadStart start, string name, ThreadPriority priority, bool isBackground)
+        public static Thread StartThread(
+            ThreadStart start, string name, ThreadPriority priority, bool isBackground, bool alarmIfTimeout)
         {
-            return StartThread(start, name, priority, isBackground, WATCHDOG_TIMEOUT_MS);
+            return StartThread(start, name, priority, isBackground, alarmIfTimeout, WATCHDOG_TIMEOUT_MS);
         }
 
         /// <summary>
@@ -128,21 +134,21 @@ namespace OpenSim.Framework
         /// <param name="priority">Priority to run the thread at</param>
         /// <param name="isBackground">True to run this thread as a background
         /// thread, otherwise false</param>
-        /// <param name="timeout">
-        /// Number of milliseconds to wait until we issue a warning about timeout.
-        /// </para>
+        /// <param name="alarmIfTimeout">Trigger an alarm function is we have timed out</param>
+        /// <param name="timeout">Number of milliseconds to wait until we issue a warning about timeout.</param>
         /// <returns>The newly created Thread object</returns>
         public static Thread StartThread(
-            ThreadStart start, string name, ThreadPriority priority, bool isBackground, int timeout)
+            ThreadStart start, string name, ThreadPriority priority, bool isBackground, bool alarmIfTimeout, int timeout)
         {
             Thread thread = new Thread(start);
             thread.Name = name;
             thread.Priority = priority;
             thread.IsBackground = isBackground;
             
-            ThreadWatchdogInfo twi = new ThreadWatchdogInfo(thread, timeout);
+            ThreadWatchdogInfo twi = new ThreadWatchdogInfo(thread, timeout) { AlarmIfTimeout = alarmIfTimeout };
 
-            m_log.Debug("[WATCHDOG]: Started tracking thread \"" + twi.Thread.Name + "\" (ID " + twi.Thread.ManagedThreadId + ")");
+            m_log.DebugFormat(
+                "[WATCHDOG]: Started tracking thread {0}, ID {1}", twi.Thread.Name, twi.Thread.ManagedThreadId);
 
             lock (m_threads)
                 m_threads.Add(twi.Thread.ManagedThreadId, twi);
@@ -224,19 +230,39 @@ namespace OpenSim.Framework
         /// Get currently watched threads for diagnostic purposes
         /// </summary>
         /// <returns></returns>
-        public static ThreadWatchdogInfo[] GetThreads()
+        public static ThreadWatchdogInfo[] GetThreadsInfo()
         {
             lock (m_threads)
                 return m_threads.Values.ToArray();
         }
 
+        /// <summary>
+        /// Return the current thread's watchdog info.
+        /// </summary>
+        /// <returns>The watchdog info.  null if the thread isn't being monitored.</returns>
+        public static ThreadWatchdogInfo GetCurrentThreadInfo()
+        {
+            lock (m_threads)
+            {
+                if (m_threads.ContainsKey(Thread.CurrentThread.ManagedThreadId))
+                    return m_threads[Thread.CurrentThread.ManagedThreadId];
+            }
+
+            return null;
+        }
+
+        /// <summary>
+        /// Check watched threads.  Fire alarm if appropriate.
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
         private static void WatchdogTimerElapsed(object sender, System.Timers.ElapsedEventArgs e)
         {
             WatchdogTimeout callback = OnWatchdogTimeout;
 
             if (callback != null)
             {
-                ThreadWatchdogInfo timedOut = null;
+                List<ThreadWatchdogInfo> callbackInfos = null;
 
                 lock (m_threads)
                 {
@@ -246,21 +272,31 @@ namespace OpenSim.Framework
                     {
                         if (threadInfo.Thread.ThreadState == ThreadState.Stopped)
                         {
-                            timedOut = threadInfo;
                             RemoveThread(threadInfo.Thread.ManagedThreadId);
-                            break;
+
+                            if (callbackInfos == null)
+                                callbackInfos = new List<ThreadWatchdogInfo>();
+
+                            callbackInfos.Add(threadInfo);
                         }
                         else if (!threadInfo.IsTimedOut && now - threadInfo.LastTick >= threadInfo.Timeout)
                         {
                             threadInfo.IsTimedOut = true;
-                            timedOut = threadInfo;
-                            break;
+
+                            if (threadInfo.AlarmIfTimeout)
+                            {
+                                if (callbackInfos == null)
+                                    callbackInfos = new List<ThreadWatchdogInfo>();
+
+                                callbackInfos.Add(threadInfo);
+                            }
                         }
                     }
                 }
 
-                if (timedOut != null)
-                    callback(timedOut.Thread, timedOut.LastTick);
+                if (callbackInfos != null)
+                    foreach (ThreadWatchdogInfo callbackInfo in callbackInfos)
+                        callback(callbackInfo.Thread, callbackInfo.LastTick);
             }
 
             m_watchdogTimer.Start();
diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
index a79b387..75f783b 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
@@ -244,8 +244,11 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             base.Start(m_recvBufferSize, m_asyncPacketHandling);
 
             // Start the packet processing threads
-            Watchdog.StartThread(IncomingPacketHandler, "Incoming Packets (" + m_scene.RegionInfo.RegionName + ")", ThreadPriority.Normal, false);
-            Watchdog.StartThread(OutgoingPacketHandler, "Outgoing Packets (" + m_scene.RegionInfo.RegionName + ")", ThreadPriority.Normal, false);
+            Watchdog.StartThread(
+                IncomingPacketHandler, "Incoming Packets (" + m_scene.RegionInfo.RegionName + ")", ThreadPriority.Normal, false, true);
+            Watchdog.StartThread(
+                OutgoingPacketHandler, "Outgoing Packets (" + m_scene.RegionInfo.RegionName + ")", ThreadPriority.Normal, false, true);
+
             m_elapsedMSSinceLastStatReport = Environment.TickCount;
         }
 
diff --git a/OpenSim/Region/CoreModules/InterGrid/OpenGridProtocolModule.cs b/OpenSim/Region/CoreModules/InterGrid/OpenGridProtocolModule.cs
index f367739..a6e2548 100644
--- a/OpenSim/Region/CoreModules/InterGrid/OpenGridProtocolModule.cs
+++ b/OpenSim/Region/CoreModules/InterGrid/OpenGridProtocolModule.cs
@@ -1210,7 +1210,7 @@ namespace OpenSim.Region.CoreModules.InterGrid
             if (homeScene.TryGetScenePresence(avatarId,out avatar))
             {
                 KillAUser ku = new KillAUser(avatar,mod);
-                Watchdog.StartThread(ku.ShutdownNoLogout, "OGPShutdown", ThreadPriority.Normal, true);
+                Watchdog.StartThread(ku.ShutdownNoLogout, "OGPShutdown", ThreadPriority.Normal, true, true);
             }
         }
 
diff --git a/OpenSim/Region/CoreModules/World/WorldMap/WorldMapModule.cs b/OpenSim/Region/CoreModules/World/WorldMap/WorldMapModule.cs
index 4ebfb21..548ff91 100644
--- a/OpenSim/Region/CoreModules/World/WorldMap/WorldMapModule.cs
+++ b/OpenSim/Region/CoreModules/World/WorldMap/WorldMapModule.cs
@@ -351,6 +351,7 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
                 process,
                 string.Format("MapItemRequestThread ({0})", m_scene.RegionInfo.RegionName),
                 ThreadPriority.BelowNormal,
+                true,
                 true);
         }
 
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index fcbed9f..108f3c8 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -1181,7 +1181,7 @@ namespace OpenSim.Region.Framework.Scenes
 
             HeartbeatThread
                 = Watchdog.StartThread(
-                    Heartbeat, string.Format("Heartbeat ({0})", RegionInfo.RegionName), ThreadPriority.Normal, false);
+                    Heartbeat, string.Format("Heartbeat ({0})", RegionInfo.RegionName), ThreadPriority.Normal, false, false);
         }
 
         /// <summary>
@@ -1219,6 +1219,13 @@ namespace OpenSim.Region.Framework.Scenes
             try
             {
                 m_eventManager.TriggerOnRegionStarted(this);
+
+                // The first frame can take a very long time due to physics actors being added on startup.  Therefore,
+                // don't turn on the watchdog alarm for this thread until the second frame, in order to prevent false
+                // alarms for scenes with many objects.
+                Update();
+                Watchdog.GetCurrentThreadInfo().AlarmIfTimeout = true;
+
                 while (!shuttingdown)
                     Update();
             }
@@ -1244,7 +1251,7 @@ namespace OpenSim.Region.Framework.Scenes
 
             ++Frame;
 
-//            m_log.DebugFormat("[SCENE]: Processing frame {0}", Frame);
+//            m_log.DebugFormat("[SCENE]: Processing frame {0} in {1}", Frame, RegionInfo.RegionName);
 
             try
             {
@@ -1406,26 +1413,10 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 throw;
             }
-            catch (AccessViolationException e)
-            {
-                m_log.ErrorFormat(
-                    "[REGION]: Failed on region {0} with exception {1}{2}",
-                    RegionInfo.RegionName, e.Message, e.StackTrace);
-            }
-            //catch (NullReferenceException e)
-            //{
-            //   m_log.Error("[REGION]: Failed with exception " + e.ToString() + " On Region: " + RegionInfo.RegionName);
-            //}
-            catch (InvalidOperationException e)
-            {
-                m_log.ErrorFormat(
-                    "[REGION]: Failed on region {0} with exception {1}{2}",
-                    RegionInfo.RegionName, e.Message, e.StackTrace);
-            }
             catch (Exception e)
             {
                 m_log.ErrorFormat(
-                    "[REGION]: Failed on region {0} with exception {1}{2}",
+                    "[SCENE]: Failed on region {0} with exception {1}{2}",
                     RegionInfo.RegionName, e.Message, e.StackTrace);
             }
 
@@ -1467,7 +1458,6 @@ namespace OpenSim.Region.Framework.Scenes
                 entry.checkAtTargets();
         }
 
-
         /// <summary>
         /// Send out simstats data to all clients
         /// </summary>
diff --git a/OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs b/OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs
index 65ffe92..b806d91 100644
--- a/OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs
@@ -156,8 +156,8 @@ namespace OpenSim.Region.Framework.Scenes
                         // that the region position is cached or performance will degrade
                         Utils.LongToUInts(regionHandle, out x, out y);
                         GridRegion dest = m_scene.GridService.GetRegionByPosition(UUID.Zero, (int)x, (int)y);
-                        bool v = true;
-                        if (! simulatorList.Contains(dest.ServerURI))
+//                        bool v = true;
+                        if (!simulatorList.Contains(dest.ServerURI))
                         {
                             // we havent seen this simulator before, add it to the list
                             // and send it an update
diff --git a/OpenSim/Region/OptionalModules/Agent/InternetRelayClientView/Server/IRCClientView.cs b/OpenSim/Region/OptionalModules/Agent/InternetRelayClientView/Server/IRCClientView.cs
index 7d7c5c5..0f62b2a 100644
--- a/OpenSim/Region/OptionalModules/Agent/InternetRelayClientView/Server/IRCClientView.cs
+++ b/OpenSim/Region/OptionalModules/Agent/InternetRelayClientView/Server/IRCClientView.cs
@@ -70,7 +70,7 @@ namespace OpenSim.Region.OptionalModules.Agent.InternetRelayClientView.Server
             m_client = client;
             m_scene = scene;
 
-            Watchdog.StartThread(InternalLoop, "IRCClientView", ThreadPriority.Normal, false);
+            Watchdog.StartThread(InternalLoop, "IRCClientView", ThreadPriority.Normal, false, true);
         }
 
         private void SendServerCommand(string command)
diff --git a/OpenSim/Region/OptionalModules/Agent/InternetRelayClientView/Server/IRCServer.cs b/OpenSim/Region/OptionalModules/Agent/InternetRelayClientView/Server/IRCServer.cs
index eb39026..a7c5020 100644
--- a/OpenSim/Region/OptionalModules/Agent/InternetRelayClientView/Server/IRCServer.cs
+++ b/OpenSim/Region/OptionalModules/Agent/InternetRelayClientView/Server/IRCServer.cs
@@ -57,7 +57,7 @@ namespace OpenSim.Region.OptionalModules.Agent.InternetRelayClientView.Server
 
             m_listener.Start(50);
 
-            Watchdog.StartThread(ListenLoop, "IRCServer", ThreadPriority.Normal, false);
+            Watchdog.StartThread(ListenLoop, "IRCServer", ThreadPriority.Normal, false, true);
             m_baseScene = baseScene;
         }
 
diff --git a/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs b/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs
index 62e3763..254d578 100644
--- a/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs
+++ b/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs
@@ -1474,6 +1474,8 @@ Console.WriteLine("CreateGeom:");
         /// </summary>
         private void changeadd()
         {
+//            m_log.DebugFormat("[ODE PRIM]: Adding prim {0}", Name);
+            
             int[] iprimspaceArrItem = _parent_scene.calculateSpaceArrayItemFromPos(_position);
             IntPtr targetspace = _parent_scene.calculateSpaceForGeom(_position);
 
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/AsyncCommandManager.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/AsyncCommandManager.cs
index 61e4934..57794f9 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/AsyncCommandManager.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/AsyncCommandManager.cs
@@ -137,7 +137,9 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             if (cmdHandlerThread == null)
             {
                 // Start the thread that will be doing the work
-                cmdHandlerThread = Watchdog.StartThread(CmdHandlerThreadLoop, "AsyncLSLCmdHandlerThread", ThreadPriority.Normal, true);
+                cmdHandlerThread
+                    = Watchdog.StartThread(
+                        CmdHandlerThreadLoop, "AsyncLSLCmdHandlerThread", ThreadPriority.Normal, true, true);
             }
         }
 
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index d0430f4..ba02a78 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -6834,16 +6834,38 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             }
         }
 
-        public void llSitTarget(LSL_Vector offset, LSL_Rotation rot)
+        protected void SitTarget(SceneObjectPart part, LSL_Vector offset, LSL_Rotation rot)
         {
-            m_host.AddScriptLPS(1);
             // LSL quaternions can normalize to 0, normal Quaternions can't.
             if (rot.s == 0 && rot.x == 0 && rot.y == 0 && rot.z == 0)
                 rot.z = 1; // ZERO_ROTATION = 0,0,0,1
 
-            m_host.SitTargetPosition = new Vector3((float)offset.x, (float)offset.y, (float)offset.z);
-            m_host.SitTargetOrientation = Rot2Quaternion(rot);
-            m_host.ParentGroup.HasGroupChanged = true;
+            part.SitTargetPosition = new Vector3((float)offset.x, (float)offset.y, (float)offset.z);
+            part.SitTargetOrientation = Rot2Quaternion(rot);
+            part.ParentGroup.HasGroupChanged = true;
+        }
+
+        public void llSitTarget(LSL_Vector offset, LSL_Rotation rot)
+        {
+            m_host.AddScriptLPS(1);
+            SitTarget(m_host, offset, rot);
+        }
+
+        public void llLinkSitTarget(LSL_Integer link, LSL_Vector offset, LSL_Rotation rot)
+        {
+            m_host.AddScriptLPS(1);
+            if (link == ScriptBaseClass.LINK_ROOT)
+                SitTarget(m_host.ParentGroup.RootPart, offset, rot);
+            else if (link == ScriptBaseClass.LINK_THIS)
+                SitTarget(m_host, offset, rot);
+            else
+            {
+                SceneObjectPart part = m_host.ParentGroup.GetLinkNumPart(link);
+                if (null != part)
+                {
+                    SitTarget(part, offset, rot);
+                }
+            }
         }
 
         public LSL_String llAvatarOnSitTarget()
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
index 2424130..e29ab95 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
@@ -2779,7 +2779,9 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             CheckThreatLevel(ThreatLevel.Moderate, "osSetSpeed");
             m_host.AddScriptLPS(1);
             ScenePresence avatar = World.GetScenePresence(new UUID(UUID));
-            avatar.SpeedModifier = (float)SpeedModifier;
+
+            if (avatar != null)
+                avatar.SpeedModifier = (float)SpeedModifier;
         }
         
         public void osKickAvatar(string FirstName,string SurName,string alert)
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Interface/ILSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Interface/ILSL_Api.cs
index 9679798..bf7e7b5 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Interface/ILSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Interface/ILSL_Api.cs
@@ -220,6 +220,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Interfaces
         LSL_String llGetDisplayName(string id);
         LSL_String llRequestDisplayName(string id);
         void llLinkParticleSystem(int linknum, LSL_List rules);
+        void llLinkSitTarget(LSL_Integer link, LSL_Vector offset, LSL_Rotation rot);
         LSL_String llList2CSV(LSL_List src);
          LSL_Float llList2Float(LSL_List src, int index);
        LSL_Integer llList2Integer(LSL_List src, int index);
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Stub.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Stub.cs
index dcaa3b4..21d8432 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Stub.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Stub.cs
@@ -1710,6 +1710,11 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
             m_LSL_Functions.llSitTarget(offset, rot);
         }
 
+        public void llLinkSitTarget(LSL_Integer link, LSL_Vector offset, LSL_Rotation rot)
+        {
+            m_LSL_Functions.llLinkSitTarget(link, offset, rot);
+        }
+
         public void llSleep(double sec)
         {
             m_LSL_Functions.llSleep(sec);
diff --git a/OpenSim/Region/UserStatistics/WebStatsModule.cs b/OpenSim/Region/UserStatistics/WebStatsModule.cs
index f627e37..ad272f7 100644
--- a/OpenSim/Region/UserStatistics/WebStatsModule.cs
+++ b/OpenSim/Region/UserStatistics/WebStatsModule.cs
@@ -83,6 +83,9 @@ namespace OpenSim.Region.UserStatistics
             {
                 if (m_scenes.Count == 0)
                 {
+                    if (Util.IsWindows())
+                        Util.LoadArchSpecificWindowsDll("sqlite3.dll");
+                    
                     //IConfig startupConfig = config.Configs["Startup"];
 
                     dbConn = new SqliteConnection("URI=file:LocalUserStatistics.db,version=3");