OpenSimMirror/OpenSim.Scripting/EmbeddedJVM/OpenSimJVM.cs

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