135 lines
4.5 KiB
C#
135 lines
4.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using System.IO;
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using System.Threading;
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using OpenSim.Framework;
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using OpenSim.Framework.Interfaces;
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using OpenSim.Framework.Utilities;
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namespace OpenSim.Scripting.EmbeddedJVM
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{
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public class OpenSimJVM : IScriptEngine
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{
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private List<Thread> _threads = new List<Thread>();
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private BlockingQueue<CompileInfo> CompileScripts = new BlockingQueue<CompileInfo>();
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private MainMemory _mainMemory;
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private System.Threading.Thread compileThread;
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public OpenSimJVM()
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{
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}
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public bool Init(IScriptAPI api)
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{
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Console.WriteLine("Creating OpenSim JVM scripting engine");
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_mainMemory = new MainMemory();
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Thread.GlobalMemory = this._mainMemory;
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Thread.OpenSimScriptAPI = api;
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compileThread = new System.Threading.Thread(new ThreadStart(CompileScript));
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compileThread.IsBackground = true;
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compileThread.Start();
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return true;
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}
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public string GetName()
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{
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return "OpenSimJVM";
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}
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public void LoadScript(string script, string scriptName, uint entityID)
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{
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Console.WriteLine("OpenSimJVM - loading new script: " + scriptName);
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CompileInfo comp = new CompileInfo();
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comp.entityId = entityID;
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comp.script = script;
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comp.scriptName = scriptName;
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this.CompileScripts.Enqueue(comp);
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}
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public void CompileScript()
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{
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while (true)
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{
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CompileInfo comp = this.CompileScripts.Dequeue();
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string script = comp.script;
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string scriptName = comp.scriptName;
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uint entityID = comp.entityId;
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try
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{
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//need to compile the script into a java class file
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//first save it to a java source file
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TextWriter tw = new StreamWriter(scriptName + ".java");
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tw.WriteLine(script);
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tw.Close();
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//now compile
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System.Diagnostics.ProcessStartInfo psi = new System.Diagnostics.ProcessStartInfo("javac.exe", "*.java");
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// psi.RedirectStandardOutput = true;
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psi.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
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psi.UseShellExecute = false;
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System.Diagnostics.Process javacomp;
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javacomp = System.Diagnostics.Process.Start(psi);
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javacomp.WaitForExit();
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//now load in class file
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ClassRecord class1 = new ClassRecord();
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class1.LoadClassFromFile(scriptName + ".class");
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class1.PrintToConsole();
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//Console.WriteLine();
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this._mainMemory.MethodArea.Classes.Add(class1);
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class1.AddMethodsToMemory(this._mainMemory.MethodArea);
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Thread newThread = new Thread();
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this._threads.Add(newThread);
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newThread.EntityId = entityID;
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newThread.currentClass = class1;
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//now delete the created files
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System.IO.File.Delete(scriptName + ".java");
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System.IO.File.Delete(scriptName + ".class");
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//this.OnFrame();
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}
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catch (Exception e)
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{
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Console.WriteLine("exception");
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Console.WriteLine(e.StackTrace);
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Console.WriteLine(e.Message);
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}
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}
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}
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public void OnFrame()
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{
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for (int i = 0; i < this._threads.Count; i++)
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{
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if (!this._threads[i].running)
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{
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this._threads[i].StartMethod("OnFrame");
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bool run = true;
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while (run)
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{
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run = this._threads[i].Excute();
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}
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}
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}
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}
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private class CompileInfo
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{
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public string script;
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public string scriptName;
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public uint entityId;
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public CompileInfo()
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{
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}
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}
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}
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}
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