ScriptServer fixes: Added more debug logging, mutex lock (to be extra-super-sure) on script load/unload, removed experimental Grid-scriptengine from compile because of dynamic module loader, and added random string to script filename to bypass module loader file lock.

Please delete your copy of bin/ScriptEngine/OpenSim.Grid.ScriptEngine.DotNetEngine.dll.

OpenSim/Region/ScriptEngine/Common/Executor.cs

@@ -82,6 +82,10 @@ namespace OpenSim.Region.ScriptEngine.Common
 
             string EventName = m_Script.State() + "_event_" + FunctionName;
 
+#if DEBUG
+            Console.WriteLine("ScriptEngine: Script event function name: " + EventName);
+#endif
+
             //type.InvokeMember(EventName, BindingFlags.InvokeMethod, null, m_Script, args);
 
             //Console.WriteLine("ScriptEngine Executor.ExecuteEvent: \"" + EventName + "\"");
@@ -112,6 +116,9 @@ namespace OpenSim.Region.ScriptEngine.Common
                 return;
             }
 
+#if DEBUG
+            Console.WriteLine("ScriptEngine: Executing function name: " + EventName);
+#endif
             // Found
             //try
             //{

OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/LSL/Compiler.cs

@@ -39,6 +39,7 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine.Compiler.LSL
         private LSL2CSConverter LSL_Converter = new LSL2CSConverter();
         private CSharpCodeProvider codeProvider = new CSharpCodeProvider();
         private static UInt64 scriptCompileCounter = 0;
+        private static int instanceID = new Random().Next(0, int.MaxValue);  // Implemented due to peer preassure --- will cause garbage in ScriptEngines folder ;)
         //private ICodeCompiler icc = codeProvider.CreateCompiler();
         public string CompileFromFile(string LSOFileName)
         {
@@ -82,7 +83,7 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine.Compiler.LSL
         {
             // Output assembly name
             scriptCompileCounter++;
-            string OutFile = Path.Combine("ScriptEngines", "Script_" + scriptCompileCounter + ".dll");
+            string OutFile = Path.Combine("ScriptEngines", "DotNetScript_" + instanceID.ToString() + "_" + scriptCompileCounter.ToString() + ".dll");
             try
             {
                 File.Delete(OutFile);

OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/LSL/LSL2CSConverter.cs

@@ -53,6 +53,7 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine.Compiler.LSL
 
         public string Convert(string Script)
         {
+            quotes.Clear();
             string Return = "";
             Script = " \r\n" + Script;
 
@@ -310,6 +311,9 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine.Compiler.LSL
             Return += Script;
             Return += "} }\r\n";
 
+
+            quotes.Clear();
+            
             return Return;
         }
     }

OpenSim/Region/ScriptEngine/DotNetEngine/EventQueueManager.cs

@@ -181,6 +181,12 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine
                                 // Execute function
                                 try
                                 {
+#if DEBUG
+                                    m_ScriptEngine.Log.Debug("ScriptEngine", "Executing event:\r\n"
+                                        + "QIS.localID: " + QIS.localID
+                                        + ", QIS.itemID: " + QIS.itemID
+                                        + ", QIS.functionName: " + QIS.functionName);
+#endif
                                     m_ScriptEngine.m_ScriptManager.ExecuteEvent(QIS.localID, QIS.itemID,
                                                                                 QIS.functionName, QIS.param);
                                 }
@@ -188,16 +194,17 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine
                                 {
                                     // DISPLAY ERROR INWORLD
                                     string text = "Error executing script function \"" + QIS.functionName + "\":\r\n";
-                                    if (e.InnerException != null)
+                                    //if (e.InnerException != null)
-                                    {
+                                    //{
                                         // Send inner exception
                                         text += e.InnerException.Message.ToString();
-                                    }
+                                    //}
-                                    else
+                                    //else
-                                    {
+                                    //{
+                                        text += "\r\n";
                                         // Send normal
                                         text += e.Message.ToString();
-                                    }
+                                    //}
                                     try
                                     {
                                         if (text.Length > 1500)
@@ -214,7 +221,7 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine
                                         //else
                                         //{
                                         // T oconsole
-                                        Console.WriteLine("Unable to send text in-world:\r\n" + text);
+                                        m_ScriptEngine.Log.Error("ScriptEngine", "Unable to send text in-world:\r\n" + text);
                                     }
                                 }
                                 finally
@@ -230,7 +237,7 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine
                     }
                     catch (Exception e)
                     {
-                        Console.WriteLine("Exception in EventQueueThreadLoop: " + e.ToString());
+                        m_ScriptEngine.Log.Error("ScriptEngine", "Exception in EventQueueThreadLoop: " + e.ToString());
                     }
                 } // while
             } // try

OpenSim/Region/ScriptEngine/DotNetEngine/ScriptManager.cs

@@ -225,6 +225,8 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine
 
         #region Start/Stop/Reset script
 
+        Object startStopLock = new Object();
+
         /// <summary>
         /// Fetches, loads and hooks up a script to an objects events
         /// </summary>
@@ -259,7 +261,11 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine
             StartScript(localID, itemID, script);
         }
 
+        // Create a new instance of the compiler (reuse)
+        Compiler.LSL.Compiler LSLCompiler = new Compiler.LSL.Compiler();
         private void _StartScript(uint localID, LLUUID itemID, string Script)
+        {
+            lock (startStopLock)
             {
                 //IScriptHost root = host.GetRoot();
                 Console.WriteLine("ScriptManager StartScript: localID: " + localID + ", itemID: " + itemID);
@@ -272,8 +278,7 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine
 
                 try
                 {
-                // Create a new instance of the compiler (currently we don't want reuse)
+                    
-                Compiler.LSL.Compiler LSLCompiler = new Compiler.LSL.Compiler();
                     // Compile (We assume LSL)
                     ScriptSource = LSLCompiler.CompileFromLSLText(Script);
                     //Console.WriteLine("Compilation of " + FileName + " done");
@@ -307,7 +312,7 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine
                     CompiledScript.Start(LSLB);
 
                     // Fire the first start-event
-                m_scriptEngine.m_EventQueueManager.AddToScriptQueue(localID, itemID, "state_entry", new object[] {});
+                    m_scriptEngine.m_EventQueueManager.AddToScriptQueue(localID, itemID, "state_entry", new object[] { });
                 }
                 catch (Exception e)
                 {
@@ -323,11 +328,15 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine
                     catch (Exception e2)
                     {
                         m_scriptEngine.Log.Error("ScriptEngine", "Error displaying error in-world: " + e2.ToString());
+                        m_scriptEngine.Log.Error("ScriptEngine", "Errormessage: Error compiling script:\r\n" + e.Message.ToString());
+                    }
                 }
             }
         }
 
         private void _StopScript(uint localID, LLUUID itemID)
+        {
+            lock (startStopLock)
             {
             // Stop script
             Console.WriteLine("Stop script localID: " + localID + " LLUID: " + itemID.ToString());
@@ -361,6 +370,7 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine
                                   ": " + e.ToString());
             }
         }
+        }
 
         private string ProcessYield(string FileName)
         {
@@ -382,12 +392,18 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine
         /// <param name="args">Arguments to pass to function</param>
         internal void ExecuteEvent(uint localID, LLUUID itemID, string FunctionName, object[] args)
         {
+#if DEBUG
+            Console.WriteLine("ScriptEngine: Inside ExecuteEvent for event " + FunctionName);
+#endif
             // Execute a function in the script
             //m_scriptEngine.Log.Verbose("ScriptEngine", "Executing Function localID: " + localID + ", itemID: " + itemID + ", FunctionName: " + FunctionName);
             LSL_BaseClass Script = m_scriptEngine.m_ScriptManager.GetScript(localID, itemID);
             if (Script == null)
                 return;
 
+#if DEBUG
+            Console.WriteLine("ScriptEngine: Executing event: " + FunctionName);
+#endif
             // Must be done in correct AppDomain, so leaving it up to the script itself
             Script.Exec.ExecuteEvent(FunctionName, args);
         }

prebuild.xml

@@ -963,61 +963,6 @@
     </Project>
 
 
-    <Project name="OpenSim.Grid.ScriptEngine.Common" path="OpenSim/Grid/ScriptEngine/Common" type="Library">
-      <Configuration name="Debug">
-        <Options>
-          <OutputPath>../../../../bin/</OutputPath>
-        </Options>
-      </Configuration>
-      <Configuration name="Release">
-        <Options>
-          <OutputPath>../../../../bin/</OutputPath>
-        </Options>
-      </Configuration>
-
-      <ReferencePath>../../../../bin/</ReferencePath>      
-      <ReferencePath>../../../../bin/ScriptEngines/</ReferencePath> 
-      <Reference name="System" localCopy="false"/>
-      <Reference name="System.Data" localCopy="false"/>
-      <Reference name="System.Xml" localCopy="false"/>
-      <Files>
-        <Match pattern="*.cs" recurse="true"/>
-      </Files>
-    </Project>
-
-
-
-    <Project name="OpenSim.Grid.ScriptEngine.DotNetEngine" path="OpenSim/Grid/ScriptEngine/DotNetEngine" type="Library">
-      <Configuration name="Debug">
-        <Options>
-          <OutputPath>../../../../bin/ScriptEngines/</OutputPath>
-        </Options>
-      </Configuration>
-      <Configuration name="Release">
-        <Options>
-          <OutputPath>../../../../bin/ScriptEngines/</OutputPath>
-        </Options>
-      </Configuration>
-
-      <ReferencePath>../../../../bin/</ReferencePath>      
-      <ReferencePath>../../../../bin/ScriptEngines/</ReferencePath> 
-      <Reference name="System" localCopy="false"/>
-      <Reference name="System.Data" localCopy="false"/>
-      <Reference name="System.Xml" localCopy="false"/>
-      <Reference name="System.Runtime.Remoting" localCopy="false"/>
-      <Reference name="OpenSim.Region.Environment" />
-      <Reference name="libsecondlife.dll"/>
-      <Reference name="RAIL.dll"/>
-      <Reference name="OpenSim.Framework"/>
-      <Reference name="OpenSim.Framework.Console"/>
-      <Reference name="OpenSim.Region.ScriptEngine.Common"/>
-      <Reference name="Axiom.MathLib.dll" localCopy="false"/>
-      <Reference name="Nini.dll" />
-
-      <Files>
-        <Match pattern="*.cs" recurse="true"/>
-      </Files>
-    </Project>