Remove all the subclassing complexity and script server interfaces from

DNE and move all of DNE into the DotNetEngine directory. Remove references
that would cause the script runtime to load the entire engine + scene into
each script appdomain. This might help DNE memory consumption.

1 files changed, 0 insertions, 510 deletions

diff --git a/OpenSim/Region/ScriptEngine/Common/ScriptEngineBase/ScriptManager.cs b/OpenSim/Region/ScriptEngine/Common/ScriptEngineBase/ScriptManager.cs
deleted file mode 100644
index 987a0a0..0000000
--- a/OpenSim/Region/ScriptEngine/Common/ScriptEngineBase/ScriptManager.cs
+++ /dev/null
@@ -1,510 +0,0 @@
-/*
- * 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 OpenSim 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 System.IO;
-using System.Reflection;
-using System.Runtime.Serialization.Formatters.Binary;
-using System.Threading;
-using OpenMetaverse;
-using OpenSim.Region.Environment.Scenes;
-using OpenSim.Region.ScriptEngine.Shared;
-
-namespace OpenSim.Region.ScriptEngine.Common.ScriptEngineBase
-{
-    /// <summary>
-    /// Loads scripts
-    /// Compiles them if necessary
-    /// Execute functions for EventQueueManager (Sends them to script on other AppDomain for execution)
-    /// </summary>
-    ///
-
-    // This class is as close as you get to the script without being inside script class. It handles all the dirty work for other classes.
-    // * Keeps track of running scripts
-    // * Compiles script if necessary (through "Compiler")
-    // * Loads script (through "AppDomainManager" called from for example "EventQueueManager")
-    // * Executes functions inside script (called from for example "EventQueueManager" class)
-    // * Unloads script (through "AppDomainManager" called from for example "EventQueueManager")
-    // * Dedicated load/unload thread, and queues loading/unloading.
-    //   This so that scripts starting or stopping will not slow down other theads or whole system.
-    //
-    [Serializable]
-    public abstract class ScriptManager : iScriptEngineFunctionModule
-    {
-        #region Declares
-
-        private Thread scriptLoadUnloadThread;
-        private static Thread staticScriptLoadUnloadThread;
-        // private int scriptLoadUnloadThread_IdleSleepms;
-        private Queue<LUStruct> LUQueue = new Queue<LUStruct>();
-        private static bool PrivateThread;
-        private int LoadUnloadMaxQueueSize;
-        private Object scriptLock = new Object();
-        private bool m_started = false;
-        private Dictionary<IScript, DetectParams[]> detparms = new Dictionary<IScript, DetectParams[]>();
-
-        // Load/Unload structure
-        private struct LUStruct
-        {
-            public uint localID;
-            public UUID itemID;
-            public string script;
-            public LUType Action;
-            public int startParam;
-            public bool postOnRez;
-        }
-
-        private enum LUType
-        {
-            Unknown = 0,
-            Load = 1,
-            Unload = 2
-        }
-
-        // Xantor 20080525: Keep a list of compiled scripts this session for reuse
-        public Dictionary<UUID, String> scriptList = new Dictionary<UUID, string>();
-
-        // Object<string, Script<string, script>>
-        // IMPORTANT: Types and MemberInfo-derived objects require a LOT of memory.
-        // Instead use RuntimeTypeHandle, RuntimeFieldHandle and RunTimeHandle (IntPtr) instead!
-        public Dictionary<uint, Dictionary<UUID, IScript>> Scripts =
-            new Dictionary<uint, Dictionary<UUID, IScript>>();
-
-
-        public Scene World
-        {
-            get { return m_scriptEngine.World; }
-        }
-
-        #endregion
-
-        public void ReadConfig()
-        {
-            // scriptLoadUnloadThread_IdleSleepms = m_scriptEngine.ScriptConfigSource.GetInt("ScriptLoadUnloadLoopms", 30);
-            // TODO: Requires sharing of all ScriptManagers to single thread
-            PrivateThread = true; // m_scriptEngine.ScriptConfigSource.GetBoolean("PrivateScriptLoadUnloadThread", false);
-            LoadUnloadMaxQueueSize = m_scriptEngine.ScriptConfigSource.GetInt("LoadUnloadMaxQueueSize", 100);
-        }
-
-        #region Object init/shutdown
-
-        public ScriptEngine m_scriptEngine;
-
-        public ScriptManager(ScriptEngine scriptEngine)
-        {
-            m_scriptEngine = scriptEngine;
-        }
-        public abstract void Initialize();
-        public void Setup()
-        {
-            ReadConfig();
-            Initialize();
-        }
-        public void Start()
-        {
-            m_started = true;
-
-
-            AppDomain.CurrentDomain.AssemblyResolve += new ResolveEventHandler(CurrentDomain_AssemblyResolve);
-
-            //
-            // CREATE THREAD
-            // Private or shared
-            //
-            if (PrivateThread)
-            {
-                // Assign one thread per region
-                //scriptLoadUnloadThread = StartScriptLoadUnloadThread();
-            }
-            else
-            {
-                // Shared thread - make sure one exist, then assign it to the private
-                if (staticScriptLoadUnloadThread == null)
-                {
-                    //staticScriptLoadUnloadThread = StartScriptLoadUnloadThread();
-                }
-                scriptLoadUnloadThread = staticScriptLoadUnloadThread;
-            }
-        }
-
-// TODO: unused
-//        private static int privateThreadCount = 0;
-//         private Thread StartScriptLoadUnloadThread()
-//         {
-//             Thread t = new Thread(ScriptLoadUnloadThreadLoop);
-//             string name = "ScriptLoadUnloadThread:";
-//             if (PrivateThread)
-//             {
-//                 name += "Private:" + privateThreadCount;
-//                 privateThreadCount++;
-//             }
-//             else
-//             {
-//                 name += "Shared";
-//             }
-//             t.Name = name;
-//             t.IsBackground = true;
-//             t.Priority = ThreadPriority.Normal;
-//             t.Start();
-//             OpenSim.Framework.ThreadTracker.Add(t);
-//             return t;
-//         }
-
-        ~ScriptManager()
-        {
-            // Abort load/unload thread
-            try
-            {
-                //PleaseShutdown = true;
-                //Thread.Sleep(100);
-                if (scriptLoadUnloadThread != null && scriptLoadUnloadThread.IsAlive == true)
-                {
-                    scriptLoadUnloadThread.Abort();
-                    //scriptLoadUnloadThread.Join();
-                }
-            }
-            catch
-            {
-            }
-        }
-
-        #endregion
-
-        #region Load / Unload scripts (Thread loop)
-
-// TODO: unused
-//         private void ScriptLoadUnloadThreadLoop()
-//         {
-//             try
-//             {
-//                 while (true)
-//                 {
-//                     if (LUQueue.Count == 0)
-//                         Thread.Sleep(scriptLoadUnloadThread_IdleSleepms);
-//                     //if (PleaseShutdown)
-//                     //    return;
-//                     DoScriptLoadUnload();
-//                 }
-//             }
-//             catch (ThreadAbortException tae)
-//             {
-//                 string a = tae.ToString();
-//                 a = String.Empty;
-//                 // Expected
-//             }
-//         }
-
-        public void DoScriptLoadUnload()
-        {
-            if (!m_started)
-                return;
-
-            lock (LUQueue)
-            {
-                if (LUQueue.Count > 0)
-                {
-m_scriptEngine.Log.InfoFormat("[{0}]: Loading script", m_scriptEngine.ScriptEngineName);
-                    LUStruct item = LUQueue.Dequeue();
-
-                    if (item.Action == LUType.Unload)
-                    {
-                        _StopScript(item.localID, item.itemID);
-                        RemoveScript(item.localID, item.itemID);
-                    }
-                    else if (item.Action == LUType.Load)
-                    {
-                        _StartScript(item.localID, item.itemID, item.script, item.startParam, item.postOnRez);
-                    }
-                }
-            }
-        }
-
-        #endregion
-
-        #region Helper functions
-
-        private static Assembly CurrentDomain_AssemblyResolve(object sender, ResolveEventArgs args)
-        {
-            //Console.WriteLine("ScriptManager.CurrentDomain_AssemblyResolve: " + args.Name);
-            return Assembly.GetExecutingAssembly().FullName == args.Name ? Assembly.GetExecutingAssembly() : null;
-        }
-
-        #endregion
-
-
-
-        #region Start/Stop/Reset script
-
-        // private readonly Object startStopLock = new Object();
-
-        /// <summary>
-        /// Fetches, loads and hooks up a script to an objects events
-        /// </summary>
-        /// <param name="itemID"></param>
-        /// <param name="localID"></param>
-        public void StartScript(uint localID, UUID itemID, string Script, int startParam, bool postOnRez)
-        {
-            lock (LUQueue)
-            {
-                if ((LUQueue.Count >= LoadUnloadMaxQueueSize) && m_started)
-                {
-                    m_scriptEngine.Log.Error("[" + m_scriptEngine.ScriptEngineName + "]: ERROR: Load/unload queue item count is at " + LUQueue.Count + ". Config variable \"LoadUnloadMaxQueueSize\" is set to " + LoadUnloadMaxQueueSize + ", so ignoring new script.");
-                    return;
-                }
-
-                LUStruct ls = new LUStruct();
-                ls.localID = localID;
-                ls.itemID = itemID;
-                ls.script = Script;
-                ls.Action = LUType.Load;
-                ls.startParam = startParam;
-                ls.postOnRez = postOnRez;
-                LUQueue.Enqueue(ls);
-m_scriptEngine.Log.InfoFormat("[{0}]: Queued script for load", m_scriptEngine.ScriptEngineName);
-            }
-        }
-
-        /// <summary>
-        /// Disables and unloads a script
-        /// </summary>
-        /// <param name="localID"></param>
-        /// <param name="itemID"></param>
-        public void StopScript(uint localID, UUID itemID)
-        {
-            LUStruct ls = new LUStruct();
-            ls.localID = localID;
-            ls.itemID = itemID;
-            ls.Action = LUType.Unload;
-            ls.startParam = 0;
-            ls.postOnRez = false;
-            lock (LUQueue)
-            {
-                LUQueue.Enqueue(ls);
-            }
-        }
-
-        // Create a new instance of the compiler (reuse)
-        //private Compiler.LSL.Compiler LSLCompiler = new Compiler.LSL.Compiler();
-
-        public abstract void _StartScript(uint localID, UUID itemID, string Script, int startParam, bool postOnRez);
-        public abstract void _StopScript(uint localID, UUID itemID);
-
-
-        #endregion
-
-        #region Perform event execution in script
-
-        /// <summary>
-        /// Execute a LL-event-function in Script
-        /// </summary>
-        /// <param name="localID">Object the script is located in</param>
-        /// <param name="itemID">Script ID</param>
-        /// <param name="FunctionName">Name of function</param>
-        /// <param name="args">Arguments to pass to function</param>
-        internal void ExecuteEvent(uint localID, UUID itemID, string FunctionName, DetectParams[] qParams, object[] args)
-        {
-            //cfk 2-7-08 dont need this right now and the default Linux build has DEBUG defined
-            ///#if DEBUG
-            ///            Console.WriteLine("ScriptEngine: Inside ExecuteEvent for event " + FunctionName);
-            ///#endif
-            // Execute a function in the script
-            //m_scriptEngine.Log.Info("[" + ScriptEngineName + "]: Executing Function localID: " + localID + ", itemID: " + itemID + ", FunctionName: " + FunctionName);
-            //ScriptBaseInterface Script = (ScriptBaseInterface)GetScript(localID, itemID);
-            IScript Script = GetScript(localID, itemID);
-            if (Script == null)
-            {
-                return;
-            }
-            //cfk 2-7-08 dont need this right now and the default Linux build has DEBUG defined
-            ///#if DEBUG
-            ///            Console.WriteLine("ScriptEngine: Executing event: " + FunctionName);
-            ///#endif
-            // Must be done in correct AppDomain, so leaving it up to the script itself
-            detparms[Script] = qParams;
-            Script.Exec.ExecuteEvent(FunctionName, args);
-            detparms.Remove(Script);
-        }
-
-        public uint GetLocalID(UUID itemID)
-        {
-            foreach (KeyValuePair<uint, Dictionary<UUID, IScript> > k in Scripts)
-            {
-                if (k.Value.ContainsKey(itemID))
-                    return k.Key;
-            }
-            return 0;
-        }
-
-        public int GetStateEventFlags(uint localID, UUID itemID)
-        {
-            // Console.WriteLine("GetStateEventFlags for <" + localID + "," + itemID + ">");
-            try
-            {
-                IScript Script = GetScript(localID, itemID);
-                if (Script == null)
-                {
-                    return 0;
-                }
-                ExecutorBase.scriptEvents evflags = Script.Exec.GetStateEventFlags();
-                return (int)evflags;
-            }
-            catch (Exception)
-            {
-            }
-
-            return 0;
-        }
-
-
-        #endregion
-
-        #region Internal functions to keep track of script
-
-        public List<UUID> GetScriptKeys(uint localID)
-        {
-            if (Scripts.ContainsKey(localID) == false)
-                return new List<UUID>();
-
-            Dictionary<UUID, IScript> Obj;
-            Scripts.TryGetValue(localID, out Obj);
-
-            return new List<UUID>(Obj.Keys);
-        }
-
-        public IScript GetScript(uint localID, UUID itemID)
-        {
-            lock (scriptLock)
-            {
-                IScript Script = null;
-
-                if (Scripts.ContainsKey(localID) == false)
-                    return null;
-
-                Dictionary<UUID, IScript> Obj;
-                Scripts.TryGetValue(localID, out Obj);
-                if (Obj.ContainsKey(itemID) == false)
-                    return null;
-
-                // Get script
-                Obj.TryGetValue(itemID, out Script);
-                return Script;
-            }
-        }
-
-        public void SetScript(uint localID, UUID itemID, IScript Script)
-        {
-            lock (scriptLock)
-            {
-                // Create object if it doesn't exist
-                if (Scripts.ContainsKey(localID) == false)
-                {
-                    Scripts.Add(localID, new Dictionary<UUID, IScript>());
-                }
-
-                // Delete script if it exists
-                Dictionary<UUID, IScript> Obj;
-                Scripts.TryGetValue(localID, out Obj);
-                if (Obj.ContainsKey(itemID) == true)
-                    Obj.Remove(itemID);
-
-                // Add to object
-                Obj.Add(itemID, Script);
-            }
-        }
-
-        public void RemoveScript(uint localID, UUID itemID)
-        {
-            if (localID == 0)
-                localID = GetLocalID(itemID);
-
-            // Don't have that object?
-            if (Scripts.ContainsKey(localID) == false)
-                return;
-
-            // Delete script if it exists
-            Dictionary<UUID, IScript> Obj;
-            Scripts.TryGetValue(localID, out Obj);
-            if (Obj.ContainsKey(itemID) == true)
-                Obj.Remove(itemID);
-        }
-
-        #endregion
-
-
-        public void ResetScript(uint localID, UUID itemID)
-        {
-            IScript s = GetScript(localID, itemID);
-            string script = s.Source;
-            StopScript(localID, itemID);
-            SceneObjectPart part = World.GetSceneObjectPart(localID);
-            part.GetInventoryItem(itemID).PermsMask = 0;
-            part.GetInventoryItem(itemID).PermsGranter = UUID.Zero;
-            StartScript(localID, itemID, script, s.StartParam, false);
-        }
-
-
-        #region Script serialization/deserialization
-
-        public void GetSerializedScript(uint localID, UUID itemID)
-        {
-            // Serialize the script and return it
-            // Should not be a problem
-            FileStream fs = File.Create("SERIALIZED_SCRIPT_" + itemID);
-            BinaryFormatter b = new BinaryFormatter();
-            b.Serialize(fs, GetScript(localID, itemID));
-            fs.Close();
-        }
-
-        public void PutSerializedScript(uint localID, UUID itemID)
-        {
-            // Deserialize the script and inject it into an AppDomain
-
-            // How to inject into an AppDomain?
-        }
-
-        #endregion
-
-        ///// <summary>
-        ///// If set to true then threads and stuff should try to make a graceful exit
-        ///// </summary>
-        //public bool PleaseShutdown
-        //{
-        //    get { return _PleaseShutdown; }
-        //    set { _PleaseShutdown = value; }
-        //}
-        //private bool _PleaseShutdown = false;
-        
-        public DetectParams[] GetDetectParams(IScript script)
-        {
-            if (detparms.ContainsKey(script))
-                return detparms[script];
-
-            return null;
-        }
-    }
-}