7 files changed, 395 insertions, 85 deletions

diff --git a/OpenSim/Region/ScriptEngine/XEngine/Api/Runtime/XEngineScriptBase.cs b/OpenSim/Region/ScriptEngine/XEngine/Api/Runtime/XEngineScriptBase.cs
new file mode 100644
index 0000000..f4211c8
--- /dev/null
+++ b/OpenSim/Region/ScriptEngine/XEngine/Api/Runtime/XEngineScriptBase.cs
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Runtime.Remoting;
+using System.Runtime.Remoting.Lifetime;
+using System.Security.Permissions;
+using System.Threading;
+using System.Reflection;
+using System.Collections;
+using System.Collections.Generic;
+using OpenSim.Region.ScriptEngine.Interfaces;
+using OpenSim.Region.ScriptEngine.Shared;
+using OpenSim.Region.ScriptEngine.Shared.ScriptBase;
+
+namespace OpenSim.Region.ScriptEngine.XEngine.ScriptBase
+{
+    public class XEngineScriptBase : ScriptBaseClass
+    {
+        /// <summary>
+        /// Used for script sleeps when we are using co-operative script termination.
+        /// </summary>
+        /// <remarks>null if co-operative script termination is not active</remarks>  
+        WaitHandle m_coopSleepHandle;
+
+        public XEngineScriptBase(WaitHandle coopSleepHandle) : base()
+        {
+            m_coopSleepHandle = coopSleepHandle;
+        }
+
+        public void opensim_reserved_CheckForCoopTermination()
+        {
+            if (m_coopSleepHandle != null && m_coopSleepHandle.WaitOne(0))
+                throw new ScriptCoopStopException();
+        }
+    }
+}
\ No newline at end of file
diff --git a/OpenSim/Region/ScriptEngine/XEngine/EventManager.cs b/OpenSim/Region/ScriptEngine/XEngine/EventManager.cs
index 9405075..0ff2da3 100644
--- a/OpenSim/Region/ScriptEngine/XEngine/EventManager.cs
+++ b/OpenSim/Region/ScriptEngine/XEngine/EventManager.cs
@@ -52,7 +52,7 @@ namespace OpenSim.Region.ScriptEngine.XEngine
         {
             myScriptEngine = _ScriptEngine;
 
-            m_log.Info("[XEngine] Hooking up to server events");
+//            m_log.Info("[XEngine] Hooking up to server events");
             myScriptEngine.World.EventManager.OnAttach += attach;
             myScriptEngine.World.EventManager.OnObjectGrab += touch_start;
             myScriptEngine.World.EventManager.OnObjectGrabbing += touch;
@@ -62,6 +62,8 @@ namespace OpenSim.Region.ScriptEngine.XEngine
             myScriptEngine.World.EventManager.OnScriptNotAtTargetEvent += not_at_target;
             myScriptEngine.World.EventManager.OnScriptAtRotTargetEvent += at_rot_target;
             myScriptEngine.World.EventManager.OnScriptNotAtRotTargetEvent += not_at_rot_target;
+            myScriptEngine.World.EventManager.OnScriptMovingStartEvent += moving_start;
+            myScriptEngine.World.EventManager.OnScriptMovingEndEvent += moving_end;
             myScriptEngine.World.EventManager.OnScriptControlEvent += control;
             myScriptEngine.World.EventManager.OnScriptColliderStart += collision_start;
             myScriptEngine.World.EventManager.OnScriptColliding += collision;
@@ -69,7 +71,7 @@ namespace OpenSim.Region.ScriptEngine.XEngine
             myScriptEngine.World.EventManager.OnScriptLandColliderStart += land_collision_start;
             myScriptEngine.World.EventManager.OnScriptLandColliding += land_collision;
             myScriptEngine.World.EventManager.OnScriptLandColliderEnd += land_collision_end;
-            IMoneyModule money=myScriptEngine.World.RequestModuleInterface<IMoneyModule>();
+            IMoneyModule money = myScriptEngine.World.RequestModuleInterface<IMoneyModule>();
             if (money != null)
             {
                 money.OnObjectPaid+=HandleObjectPaid;
@@ -419,14 +421,14 @@ namespace OpenSim.Region.ScriptEngine.XEngine
         // dataserver: not handled here
         // link_message: not handled here
 
-        public void moving_start(uint localID, UUID itemID)
+        public void moving_start(uint localID)
         {
             myScriptEngine.PostObjectEvent(localID, new EventParams(
                     "moving_start",new object[0],
                     new DetectParams[0]));
         }
 
-        public void moving_end(uint localID, UUID itemID)
+        public void moving_end(uint localID)
         {
             myScriptEngine.PostObjectEvent(localID, new EventParams(
                     "moving_end",new object[0],
diff --git a/OpenSim/Region/ScriptEngine/XEngine/Properties/AssemblyInfo.cs b/OpenSim/Region/ScriptEngine/XEngine/Properties/AssemblyInfo.cs
index bd26a8b..f0640da 100644
--- a/OpenSim/Region/ScriptEngine/XEngine/Properties/AssemblyInfo.cs
+++ b/OpenSim/Region/ScriptEngine/XEngine/Properties/AssemblyInfo.cs
@@ -29,5 +29,5 @@ using System.Runtime.InteropServices;
 //      Build Number
 //      Revision
 //
-[assembly: AssemblyVersion("0.7.5.*")]
-[assembly: AssemblyFileVersion("1.0.0.0")]
+[assembly: AssemblyVersion("0.7.6.*")]
+
diff --git a/OpenSim/Region/ScriptEngine/XEngine/ScriptEngineConsoleCommands.cs b/OpenSim/Region/ScriptEngine/XEngine/ScriptEngineConsoleCommands.cs
new file mode 100644
index 0000000..efb854d
--- /dev/null
+++ b/OpenSim/Region/ScriptEngine/XEngine/ScriptEngineConsoleCommands.cs
@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections.Generic;
+using OpenSim.Framework;
+using OpenSim.Framework.Console;
+using OpenSim.Region.ScriptEngine.Interfaces;
+using OpenSim.Region.ScriptEngine.Shared.Api;
+using OpenSim.Region.ScriptEngine.Shared.Api.Plugins;
+
+namespace OpenSim.Region.ScriptEngine.XEngine
+{
+    public class ScriptEngineConsoleCommands
+    {
+        IScriptEngine m_engine;
+
+        public ScriptEngineConsoleCommands(IScriptEngine engine)
+        {
+            m_engine = engine;
+        }
+
+        public void RegisterCommands()
+        {
+            MainConsole.Instance.Commands.AddCommand(
+                "Scripts", false, "show script sensors", "show script sensors", "Show script sensors information",
+                HandleShowSensors);
+
+            MainConsole.Instance.Commands.AddCommand(
+                "Scripts", false, "show script timers", "show script timers", "Show script sensors information",
+                HandleShowTimers);
+        }
+
+        private bool IsSceneSelected()
+        {
+            return MainConsole.Instance.ConsoleScene == null || MainConsole.Instance.ConsoleScene == m_engine.World;
+        }
+
+        private void HandleShowSensors(string module, string[] cmdparams)
+        {
+            if (!IsSceneSelected())
+                return;
+
+            SensorRepeat sr = AsyncCommandManager.GetSensorRepeatPlugin(m_engine);
+
+            if (sr == null)
+            {
+                MainConsole.Instance.Output("Plugin not yet initialized");
+                return;
+            }
+
+            List<SensorRepeat.SensorInfo> sensorInfo = sr.GetSensorInfo();
+
+            ConsoleDisplayTable cdt = new ConsoleDisplayTable();
+            cdt.AddColumn("Part name", 40);
+            cdt.AddColumn("Script item ID", 36);
+            cdt.AddColumn("Type", 4);
+            cdt.AddColumn("Interval", 8);
+            cdt.AddColumn("Range", 8);
+            cdt.AddColumn("Arc", 8);
+
+            foreach (SensorRepeat.SensorInfo s in sensorInfo)
+            {
+                cdt.AddRow(s.host.Name, s.itemID, s.type, s.interval, s.range, s.arc);
+            }
+
+            MainConsole.Instance.Output(cdt.ToString());
+            MainConsole.Instance.OutputFormat("Total: {0}", sensorInfo.Count);
+        }
+
+        private void HandleShowTimers(string module, string[] cmdparams)
+        {
+            if (!IsSceneSelected())
+                return;
+
+            Timer timerPlugin = AsyncCommandManager.GetTimerPlugin(m_engine);
+
+            if (timerPlugin == null)
+            {
+                MainConsole.Instance.Output("Plugin not yet initialized");
+                return;
+            }
+
+            List<Timer.TimerInfo> timersInfo = timerPlugin.GetTimersInfo();
+
+            ConsoleDisplayTable cdt = new ConsoleDisplayTable();
+            cdt.AddColumn("Part local ID", 13);
+            cdt.AddColumn("Script item ID", 36);
+            cdt.AddColumn("Interval", 10);
+            cdt.AddColumn("Next", 8);
+
+            foreach (Timer.TimerInfo t in timersInfo)
+            {
+                // Convert from 100 ns ticks back to seconds
+                cdt.AddRow(t.localID, t.itemID, (double)t.interval / 10000000, t.next);
+            }
+
+            MainConsole.Instance.Output(cdt.ToString());
+            MainConsole.Instance.OutputFormat("Total: {0}", timersInfo.Count);
+        }
+    }
+}
\ No newline at end of file
diff --git a/OpenSim/Region/ScriptEngine/XEngine/Tests/XEngineTest.cs b/OpenSim/Region/ScriptEngine/XEngine/Tests/XEngineBasicTests.cs
index f331658..5abfe9a 100644
--- a/OpenSim/Region/ScriptEngine/XEngine/Tests/XEngineTest.cs
+++ b/OpenSim/Region/ScriptEngine/XEngine/Tests/XEngineBasicTests.cs
@@ -44,7 +44,7 @@ namespace OpenSim.Region.ScriptEngine.XEngine.Tests
     /// XEngine tests.
     /// </summary>
     [TestFixture]
-    public class XEngineTest
+    public class XEngineTest : OpenSimTestCase
     {
         private TestScene m_scene;
         private XEngine m_xEngine;
diff --git a/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs b/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
index 9f05666..17243ab 100644
--- a/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
+++ b/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
@@ -31,6 +31,7 @@ using System.Collections.Generic;
 using System.Diagnostics; //for [DebuggerNonUserCode]
 using System.Globalization;
 using System.IO;
+using System.Linq;
 using System.Reflection;
 using System.Security;
 using System.Security.Policy;
@@ -46,13 +47,14 @@ using OpenSim.Framework;
 using OpenSim.Framework.Console;
 using OpenSim.Region.Framework.Scenes;
 using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.ScriptEngine.Interfaces;
 using OpenSim.Region.ScriptEngine.Shared;
-using OpenSim.Region.ScriptEngine.Shared.ScriptBase;
 using OpenSim.Region.ScriptEngine.Shared.CodeTools;
 using OpenSim.Region.ScriptEngine.Shared.Instance;
 using OpenSim.Region.ScriptEngine.Shared.Api;
 using OpenSim.Region.ScriptEngine.Shared.Api.Plugins;
-using OpenSim.Region.ScriptEngine.Interfaces;
+using OpenSim.Region.ScriptEngine.Shared.ScriptBase;
+using OpenSim.Region.ScriptEngine.XEngine.ScriptBase;
 using Timer = OpenSim.Region.ScriptEngine.Shared.Api.Plugins.Timer;
 
 using ScriptCompileQueue = OpenSim.Framework.LocklessQueue<object[]>;
@@ -107,6 +109,24 @@ namespace OpenSim.Region.ScriptEngine.XEngine
         private IXmlRpcRouter m_XmlRpcRouter;
         private int m_EventLimit;
         private bool m_KillTimedOutScripts;
+
+        /// <summary>
+        /// Number of milliseconds we will wait for a script event to complete on script stop before we forcibly abort
+        /// its thread.
+        /// </summary>
+        /// <remarks>
+        /// It appears that if a script thread is aborted whilst it is holding ReaderWriterLockSlim (possibly the write
+        /// lock) then the lock is not properly released.  This causes mono 2.6, 2.10 and possibly
+        /// later to crash, sometimes with symptoms such as a leap to 100% script usage and a vm thead dump showing
+        /// all threads waiting on release of ReaderWriterLockSlim write thread which none of the threads listed 
+        /// actually hold.
+        /// 
+        /// Pausing for event completion reduces the risk of this happening.  However, it may be that aborting threads
+        /// is not a mono issue per se but rather a risky activity in itself in an AppDomain that is not immediately
+        /// shutting down.
+        /// </remarks>
+        private int m_WaitForEventCompletionOnScriptStop = 1000;
+
         private string m_ScriptEnginesPath = null;
 
         private ExpiringCache<UUID, bool> m_runFlags = new ExpiringCache<UUID, bool>();
@@ -218,11 +238,21 @@ namespace OpenSim.Region.ScriptEngine.XEngine
             }
         }
 
+        private ScriptEngineConsoleCommands m_consoleCommands;
+
         public string ScriptEngineName
         {
             get { return "XEngine"; }
         }
 
+        public string ScriptClassName { get; private set; }
+
+        public string ScriptBaseClassName { get; private set; }
+
+        public ParameterInfo[] ScriptBaseClassParameters { get; private set; }
+
+        public string[] ScriptReferencedAssemblies { get; private set; }
+
         public Scene World
         {
             get { return m_Scene; }
@@ -277,21 +307,35 @@ namespace OpenSim.Region.ScriptEngine.XEngine
 
             m_ScriptConfig = configSource.Configs["XEngine"];
             m_ConfigSource = configSource;
+
+            string rawScriptStopStrategy = m_ScriptConfig.GetString("ScriptStopStrategy", "abort");
+
+            m_log.InfoFormat("[XEngine]: Script stop strategy is {0}", rawScriptStopStrategy);
+
+            if (rawScriptStopStrategy == "co-op")
+            {
+                ScriptClassName = "XEngineScript";
+                ScriptBaseClassName = typeof(XEngineScriptBase).FullName;
+                ScriptBaseClassParameters = typeof(XEngineScriptBase).GetConstructor(new Type[] { typeof(WaitHandle) }).GetParameters();
+                ScriptReferencedAssemblies = new string[] { Path.GetFileName(typeof(XEngineScriptBase).Assembly.Location) };
+            }
+            else
+            {
+                ScriptClassName = "Script";
+                ScriptBaseClassName = typeof(ScriptBaseClass).FullName;
+            }
+
+//            Console.WriteLine("ASSEMBLY NAME: {0}", ScriptReferencedAssemblies[0]);
         }
 
         public void AddRegion(Scene scene)
         {
             if (m_ScriptConfig == null)
                 return;
+
             m_ScriptFailCount = 0;
             m_ScriptErrorMessage = String.Empty;
 
-            if (m_ScriptConfig == null)
-            {
-//                m_log.ErrorFormat("[XEngine] No script configuration found. Scripts disabled");
-                return;
-            }
-
             m_Enabled = m_ScriptConfig.GetBoolean("Enabled", true);
 
             if (!m_Enabled)
@@ -316,6 +360,9 @@ namespace OpenSim.Region.ScriptEngine.XEngine
             m_EventLimit = m_ScriptConfig.GetInt("EventLimit", 30);
             m_KillTimedOutScripts = m_ScriptConfig.GetBoolean("KillTimedOutScripts", false);
             m_SaveTime = m_ScriptConfig.GetInt("SaveInterval", 120) * 1000;
+            m_WaitForEventCompletionOnScriptStop 
+                = m_ScriptConfig.GetInt("WaitForEventCompletionOnScriptStop", m_WaitForEventCompletionOnScriptStop);
+
             m_ScriptEnginesPath = m_ScriptConfig.GetString("ScriptEnginesPath", "ScriptEngines");
 
             m_Prio = ThreadPriority.BelowNormal;
@@ -364,48 +411,59 @@ namespace OpenSim.Region.ScriptEngine.XEngine
                 OnObjectRemoved += m_XmlRpcRouter.ObjectRemoved;
             }
 
+            m_consoleCommands = new ScriptEngineConsoleCommands(this);
+            m_consoleCommands.RegisterCommands();
+
             MainConsole.Instance.Commands.AddCommand(
                 "Scripts", false, "xengine status", "xengine status", "Show status information",
                 "Show status information on the script engine.",
                 HandleShowStatus);
 
             MainConsole.Instance.Commands.AddCommand(
-                "Scripts", false, "scripts show", "scripts show [<script-item-uuid>]", "Show script information",
-                "Show information on all scripts known to the script engine."
-                    + "If a <script-item-uuid> is given then only information on that script will be shown.",
+                "Scripts", false, "scripts show", "scripts show [<script-item-uuid>+]", "Show script information",
+                "Show information on all scripts known to the script engine.\n"
+                    + "If one or more <script-item-uuid>s are given then only information on that script will be shown.",
                 HandleShowScripts);
 
             MainConsole.Instance.Commands.AddCommand(
-                "Scripts", false, "show scripts", "show scripts [<script-item-uuid>]", "Show script information",
+                "Scripts", false, "show scripts", "show scripts [<script-item-uuid>+]", "Show script information",
                 "Synonym for scripts show command", HandleShowScripts);
 
             MainConsole.Instance.Commands.AddCommand(
-                "Scripts", false, "scripts suspend", "scripts suspend [<script-item-uuid>]", "Suspends all running scripts",
+                "Scripts", false, "scripts suspend", "scripts suspend [<script-item-uuid>+]", "Suspends all running scripts",
                 "Suspends all currently running scripts.  This only suspends event delivery, it will not suspend a"
                     + " script that is currently processing an event.\n"
                     + "Suspended scripts will continue to accumulate events but won't process them.\n"
-                    + "If a <script-item-uuid> is given then only that script will be suspended.  Otherwise, all suitable scripts are suspended.",
+                    + "If one or more <script-item-uuid>s are given then only that script will be suspended.  Otherwise, all suitable scripts are suspended.",
                  (module, cmdparams) => HandleScriptsAction(cmdparams, HandleSuspendScript));
 
             MainConsole.Instance.Commands.AddCommand(
-                "Scripts", false, "scripts resume", "scripts resume [<script-item-uuid>]", "Resumes all suspended scripts",
+                "Scripts", false, "scripts resume", "scripts resume [<script-item-uuid>+]", "Resumes all suspended scripts",
                 "Resumes all currently suspended scripts.\n"
-                    + "Resumed scripts will process all events accumulated whilst suspended."
-                    + "If a <script-item-uuid> is given then only that script will be resumed.  Otherwise, all suitable scripts are resumed.",
+                    + "Resumed scripts will process all events accumulated whilst suspended.\n"
+                    + "If one or more <script-item-uuid>s are given then only that script will be resumed.  Otherwise, all suitable scripts are resumed.",
                 (module, cmdparams) => HandleScriptsAction(cmdparams, HandleResumeScript));
 
             MainConsole.Instance.Commands.AddCommand(
-                "Scripts", false, "scripts stop", "scripts stop [<script-item-uuid>]", "Stops all running scripts",
-                "Stops all running scripts."
-                    + "If a <script-item-uuid> is given then only that script will be stopped.  Otherwise, all suitable scripts are stopped.",
+                "Scripts", false, "scripts stop", "scripts stop [<script-item-uuid>+]", "Stops all running scripts",
+                "Stops all running scripts.\n"
+                    + "If one or more <script-item-uuid>s are given then only that script will be stopped.  Otherwise, all suitable scripts are stopped.",
                 (module, cmdparams) => HandleScriptsAction(cmdparams, HandleStopScript));
 
             MainConsole.Instance.Commands.AddCommand(
-                "Scripts", false, "scripts start", "scripts start [<script-item-uuid>]", "Starts all stopped scripts",
-                "Starts all stopped scripts."
-                    + "If a <script-item-uuid> is given then only that script will be started.  Otherwise, all suitable scripts are started.",
+                "Scripts", false, "scripts start", "scripts start [<script-item-uuid>+]", "Starts all stopped scripts",
+                "Starts all stopped scripts.\n"
+                    + "If one or more <script-item-uuid>s are given then only that script will be started.  Otherwise, all suitable scripts are started.",
                 (module, cmdparams) => HandleScriptsAction(cmdparams, HandleStartScript));
 
+            MainConsole.Instance.Commands.AddCommand(
+                "Scripts", false, "debug scripts log", "debug scripts log <item-id> <log-level>", "Extra debug logging for a script",
+                "Activates or deactivates extra debug logging for the given script.\n"
+                    + "Level == 0, deactivate extra debug logging.\n"
+                    + "Level >= 1, log state changes.\n"
+                    + "Level >= 2, log event invocations.\n",
+                HandleDebugScriptLogCommand);
+
 //            MainConsole.Instance.Commands.AddCommand(
 //                "Debug", false, "debug xengine", "debug xengine [<level>]",
 //                "Turn on detailed xengine debugging.",
@@ -414,6 +472,41 @@ namespace OpenSim.Region.ScriptEngine.XEngine
 //                HandleDebugLevelCommand);
         }
 
+        private void HandleDebugScriptLogCommand(string module, string[] args)
+        {
+            if (!(MainConsole.Instance.ConsoleScene == null || MainConsole.Instance.ConsoleScene == m_Scene))
+                return;
+
+            if (args.Length != 5)
+            {
+                MainConsole.Instance.Output("Usage: debug script log <item-id> <log-level>");
+                return;
+            }
+
+            UUID itemId;
+
+            if (!ConsoleUtil.TryParseConsoleUuid(MainConsole.Instance, args[3], out itemId))
+                return;
+
+            int newLevel;
+
+            if (!ConsoleUtil.TryParseConsoleInt(MainConsole.Instance, args[4], out newLevel))
+                return;
+
+            IScriptInstance si;
+
+            lock (m_Scripts)
+            {
+                // XXX: We can't give the user feedback on a bad item id because this may apply to a different script
+                // engine
+                if (!m_Scripts.TryGetValue(itemId, out si))
+                    return;
+            }
+
+            si.DebugLevel = newLevel;
+            MainConsole.Instance.OutputFormat("Set debug level of {0} {1} to {2}", si.ScriptName, si.ItemID, newLevel);
+        }
+
         /// <summary>
         /// Change debug level
         /// </summary>
@@ -445,9 +538,21 @@ namespace OpenSim.Region.ScriptEngine.XEngine
         /// </summary>
         /// <param name="cmdparams"></param>
         /// <param name="instance"></param>
-        /// <returns>true if we're okay to proceed, false if not.</returns>
+        /// <param name="comparer">Basis on which to sort output.  Can be null if no sort needs to take place</param>
         private void HandleScriptsAction(string[] cmdparams, Action<IScriptInstance> action)
         {
+            HandleScriptsAction<object>(cmdparams, action, null);
+        }
+
+        /// <summary>
+        /// Parse the raw item id into a script instance from the command params if it's present.
+        /// </summary>
+        /// <param name="cmdparams"></param>
+        /// <param name="instance"></param>
+        /// <param name="keySelector">Basis on which to sort output.  Can be null if no sort needs to take place</param>
+        private void HandleScriptsAction<TKey>(
+            string[] cmdparams, Action<IScriptInstance> action, Func<IScriptInstance, TKey> keySelector)
+        {
             if (!(MainConsole.Instance.ConsoleScene == null || MainConsole.Instance.ConsoleScene == m_Scene))
                 return;
 
@@ -458,35 +563,42 @@ namespace OpenSim.Region.ScriptEngine.XEngine
     
                 if (cmdparams.Length == 2)
                 {
-                    foreach (IScriptInstance instance in m_Scripts.Values)
+                    IEnumerable<IScriptInstance> scripts = m_Scripts.Values;
+
+                    if (keySelector != null)
+                        scripts = scripts.OrderBy<IScriptInstance, TKey>(keySelector);
+
+                    foreach (IScriptInstance instance in scripts)
                         action(instance);
 
                     return;
                 }
     
-                rawItemId = cmdparams[2];
-    
-                if (!UUID.TryParse(rawItemId, out itemId))
-                {
-                    MainConsole.Instance.OutputFormat("Error - {0} is not a valid UUID", rawItemId);
-                    return;
-                }
-    
-                if (itemId != UUID.Zero)
+                for (int i = 2; i < cmdparams.Length; i++)
                 {
-                    IScriptInstance instance = GetInstance(itemId);
-                    if (instance == null)
+                    rawItemId = cmdparams[i];
+        
+                    if (!UUID.TryParse(rawItemId, out itemId))
                     {
-                        // Commented out for now since this will cause false reports on simulators with more than
-                        // one scene where the current command line set region is 'root' (which causes commands to
-                        // go to both regions... (sigh)
-//                        MainConsole.Instance.OutputFormat("Error - No item found with id {0}", itemId);
-                        return;
+                        MainConsole.Instance.OutputFormat("ERROR: {0} is not a valid UUID", rawItemId);
+                        continue;
                     }
-                    else
+        
+                    if (itemId != UUID.Zero)
                     {
-                        action(instance);
-                        return;
+                        IScriptInstance instance = GetInstance(itemId);
+                        if (instance == null)
+                        {
+                            // Commented out for now since this will cause false reports on simulators with more than
+                            // one scene where the current command line set region is 'root' (which causes commands to
+                            // go to both regions... (sigh)
+    //                        MainConsole.Instance.OutputFormat("Error - No item found with id {0}", itemId);
+                            continue;
+                        }
+                        else
+                        {
+                            action(instance);
+                        }
                     }
                 }
             }
@@ -505,9 +617,20 @@ namespace OpenSim.Region.ScriptEngine.XEngine
             StringBuilder sb = new StringBuilder();
             sb.AppendFormat("Status of XEngine instance for {0}\n", m_Scene.RegionInfo.RegionName);
 
+            long scriptsLoaded, eventsQueued = 0, eventsProcessed = 0;
+
             lock (m_Scripts)
-                sb.AppendFormat("Scripts loaded             : {0}\n", m_Scripts.Count);
+            {
+                scriptsLoaded = m_Scripts.Count;
 
+                foreach (IScriptInstance si in m_Scripts.Values)
+                {
+                    eventsQueued += si.EventsQueued;
+                    eventsProcessed += si.EventsProcessed;
+                }
+            }
+
+            sb.AppendFormat("Scripts loaded             : {0}\n", scriptsLoaded);
             sb.AppendFormat("Unique scripts             : {0}\n", m_uniqueScripts.Count);
             sb.AppendFormat("Scripts waiting for load   : {0}\n", m_CompileQueue.Count);
             sb.AppendFormat("Max threads                : {0}\n", m_ThreadPool.MaxThreads);
@@ -516,6 +639,8 @@ namespace OpenSim.Region.ScriptEngine.XEngine
             sb.AppendFormat("In use threads             : {0}\n", m_ThreadPool.InUseThreads);
             sb.AppendFormat("Work items waiting         : {0}\n", m_ThreadPool.WaitingCallbacks);
 //            sb.AppendFormat("Assemblies loaded          : {0}\n", m_Assemblies.Count);
+            sb.AppendFormat("Events queued              : {0}\n", eventsQueued);
+            sb.AppendFormat("Events processed           : {0}\n", eventsProcessed);
 
             SensorRepeat sr = AsyncCommandManager.GetSensorRepeatPlugin(this);
             sb.AppendFormat("Sensors                    : {0}\n", sr != null ? sr.SensorsCount : 0);
@@ -546,7 +671,7 @@ namespace OpenSim.Region.ScriptEngine.XEngine
                 }
             }
 
-            HandleScriptsAction(cmdparams, HandleShowScript);
+            HandleScriptsAction<long>(cmdparams, HandleShowScript, si => si.EventsProcessed);
         }
 
         private void HandleShowScript(IScriptInstance instance)
@@ -572,15 +697,13 @@ namespace OpenSim.Region.ScriptEngine.XEngine
             }
 
             StringBuilder sb = new StringBuilder();
-            Queue eq = instance.EventQueue;
 
             sb.AppendFormat("Script name         : {0}\n", instance.ScriptName);
             sb.AppendFormat("Status              : {0}\n", status);
-
-            lock (eq)
-                sb.AppendFormat("Queued events       : {0}\n", eq.Count);
-
+            sb.AppendFormat("Queued events       : {0}\n", instance.EventsQueued);
+            sb.AppendFormat("Processed events    : {0}\n", instance.EventsProcessed);
             sb.AppendFormat("Item UUID           : {0}\n", instance.ItemID);
+            sb.AppendFormat("Asset UUID          : {0}\n", instance.AssetID);
             sb.AppendFormat("Containing part name: {0}\n", instance.PrimName);
             sb.AppendFormat("Containing part UUID: {0}\n", instance.ObjectID);
             sb.AppendFormat("Position            : {0}\n", sop.AbsolutePosition);
@@ -1079,7 +1202,7 @@ namespace OpenSim.Region.ScriptEngine.XEngine
             }
 
             m_log.DebugFormat(
-                "[XEngine] Loading script {0}.{1}, item UUID {2}, prim UUID {3} @ {4}.{5}",
+                "[XEngine]: Loading script {0}.{1}, item UUID {2}, prim UUID {3} @ {4}.{5}",
                 part.ParentGroup.RootPart.Name, item.Name, itemID, part.UUID,
                 part.ParentGroup.RootPart.AbsolutePosition, part.ParentGroup.Scene.RegionInfo.RegionName);
 
@@ -1089,8 +1212,7 @@ namespace OpenSim.Region.ScriptEngine.XEngine
 
             string assembly = "";
 
-            CultureInfo USCulture = new CultureInfo("en-US");
-            Thread.CurrentThread.CurrentCulture = USCulture;
+            Culture.SetCurrentCulture();
 
             Dictionary<KeyValuePair<int, int>, KeyValuePair<int, int>> linemap;
 
@@ -1101,6 +1223,7 @@ namespace OpenSim.Region.ScriptEngine.XEngine
                     lock (m_AddingAssemblies)
                     {
                         m_Compiler.PerformScriptCompile(script, assetID.ToString(), item.OwnerID, out assembly, out linemap);
+                        
                         if (!m_AddingAssemblies.ContainsKey(assembly)) {
                             m_AddingAssemblies[assembly] = 1;
                         } else {
@@ -1150,7 +1273,9 @@ namespace OpenSim.Region.ScriptEngine.XEngine
                 }
                 catch (Exception e)
                 {
-//                    m_log.ErrorFormat("[XEngine]: Exception when rezzing script {0}{1}", e.Message, e.StackTrace);
+//                    m_log.ErrorFormat(
+//                        "[XEngine]: Exception when rezzing script with item ID {0}, {1}{2}", 
+//                        itemID, e.Message, e.StackTrace);
 
     //                try
     //                {
@@ -1229,13 +1354,8 @@ namespace OpenSim.Region.ScriptEngine.XEngine
                             sandbox = AppDomain.CurrentDomain;
                         }
 
-                        //PolicyLevel sandboxPolicy = PolicyLevel.CreateAppDomainLevel();
-                        //AllMembershipCondition sandboxMembershipCondition = new AllMembershipCondition();
-                        //PermissionSet sandboxPermissionSet = sandboxPolicy.GetNamedPermissionSet("Internet");
-                        //PolicyStatement sandboxPolicyStatement = new PolicyStatement(sandboxPermissionSet);
-                        //CodeGroup sandboxCodeGroup = new UnionCodeGroup(sandboxMembershipCondition, sandboxPolicyStatement);
-                        //sandboxPolicy.RootCodeGroup = sandboxCodeGroup;
-                        //sandbox.SetAppDomainPolicy(sandboxPolicy);
+                    if (!instance.Load(m_AppDomains[appDomain], assembly, stateSource))
+                        return false;
 
                         m_AppDomains[appDomain] = sandbox;
 
@@ -1256,12 +1376,11 @@ namespace OpenSim.Region.ScriptEngine.XEngine
                 m_DomainScripts[appDomain].Add(itemID);
 
                 instance = new ScriptInstance(this, part,
-                                              itemID, assetID, assembly,
-                                              m_AppDomains[appDomain],
-                                              part.ParentGroup.RootPart.Name,
-                                              item.Name, startParam, postOnRez,
-                                              stateSource, m_MaxScriptQueue);
+                                              item,
+                                              startParam, postOnRez,
+                                              m_MaxScriptQueue);
 
+                instance.Load(m_AppDomains[appDomain], assembly, stateSource);
 //                m_log.DebugFormat(
 //                        "[XEngine] Loaded script {0}.{1}, script UUID {2}, prim UUID {3} @ {4}.{5}",
 //                        part.ParentGroup.RootPart.Name, item.Name, assetID, part.UUID, 
@@ -1347,9 +1466,7 @@ namespace OpenSim.Region.ScriptEngine.XEngine
             lockScriptsForWrite(false);
             instance.ClearQueue();
 
-            // Give the script some time to finish processing its last event.  Simply aborting the script thread can
-            // cause issues on mono 2.6, 2.10 and possibly later where locks are not released properly on abort.
-            instance.Stop(1000);
+            instance.Stop(m_WaitForEventCompletionOnScriptStop);
 
 //                bool objectRemoved = false;
 
@@ -1477,7 +1594,8 @@ namespace OpenSim.Region.ScriptEngine.XEngine
             m_MaxScriptQueue = maxScriptQueue;
 
             STPStartInfo startInfo = new STPStartInfo();
-            startInfo.IdleTimeout = idleTimeout*1000; // convert to seconds as stated in .ini
+            startInfo.ThreadPoolName = "XEngine";
+            startInfo.IdleTimeout = idleTimeout * 1000; // convert to seconds as stated in .ini
             startInfo.MaxWorkerThreads = maxThreads;
             startInfo.MinWorkerThreads = minThreads;
             startInfo.ThreadPriority = threadPriority;;
@@ -1504,8 +1622,7 @@ namespace OpenSim.Region.ScriptEngine.XEngine
         /// <returns></returns>
         private object ProcessEventHandler(object parms)
         {
-            CultureInfo USCulture = new CultureInfo("en-US");
-            Thread.CurrentThread.CurrentCulture = USCulture;
+            Culture.SetCurrentCulture();
 
             IScriptInstance instance = (ScriptInstance) parms;
             
@@ -1693,7 +1810,7 @@ namespace OpenSim.Region.ScriptEngine.XEngine
         {
             IScriptInstance instance = GetInstance(itemID);
             if (instance != null)
-                instance.ResetScript();
+                instance.ResetScript(m_WaitForEventCompletionOnScriptStop);
         }
 
         public void StartScript(UUID itemID)
@@ -1708,14 +1825,14 @@ namespace OpenSim.Region.ScriptEngine.XEngine
         public void StopScript(UUID itemID)
         {
             IScriptInstance instance = GetInstance(itemID);
+
             if (instance != null)
             {
-                // Give the script some time to finish processing its last event.  Simply aborting the script thread can
-                // cause issues on mono 2.6, 2.10 and possibly later where locks are not released properly on abort.
-                instance.Stop(1000);
+                instance.Stop(m_WaitForEventCompletionOnScriptStop);
             }
             else
             {
+//                m_log.DebugFormat("[XENGINE]: Could not find script with ID {0} to stop in {1}", itemID, World.Name);
                 m_runFlags.AddOrUpdate(itemID, false, 240);
             }
         }
diff --git a/OpenSim/Region/ScriptEngine/XEngine/XWorkItem.cs b/OpenSim/Region/ScriptEngine/XEngine/XWorkItem.cs
index 2ac5c31..8dd7677 100644
--- a/OpenSim/Region/ScriptEngine/XEngine/XWorkItem.cs
+++ b/OpenSim/Region/ScriptEngine/XEngine/XWorkItem.cs
@@ -57,8 +57,12 @@ namespace OpenSim.Region.ScriptEngine.XEngine
             wr.Abort();
         }
 
-        public bool Wait(TimeSpan t)
+        public bool Wait(int t)
         {
+            // We use the integer version of WaitAll because the current version of SmartThreadPool has a bug with the
+            // TimeSpan version.  The number of milliseconds in TimeSpan is an int64 so when STP casts it down to an 
+            // int (32-bit) we can end up with bad values.  This occurs on Windows though curious not on Mono 2.10.8
+            // (or very likely other versions of Mono at least up until 3.0.3).
             return SmartThreadPool.WaitAll(new IWorkItemResult[] {wr}, t, false);
         }
     }