111 lines
4.0 KiB
C#
111 lines
4.0 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.Reflection;
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using System.Threading;
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using System.Runtime.Remoting;
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using System.IO;
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namespace OpenSim.Region.ScriptEngine.DotNetEngine
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{
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public class AppDomainManager
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{
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private int MaxScriptsPerAppDomain = 10;
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private List<AppDomainStructure> AppDomains = new List<AppDomainStructure>();
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private struct AppDomainStructure
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{
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/// <summary>
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/// The AppDomain itself
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/// </summary>
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public AppDomain CurrentAppDomain;
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/// <summary>
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/// Number of scripts loaded into AppDomain
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/// </summary>
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public int ScriptsLoaded;
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/// <summary>
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/// Number of dead scripts
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/// </summary>
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public int ScriptsWaitingUnload;
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}
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private AppDomainStructure CurrentAD;
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private object GetLock = new object();
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private ScriptEngine m_scriptEngine;
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public AppDomainManager(ScriptEngine scriptEngine)
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{
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m_scriptEngine = scriptEngine;
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}
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internal AppDomain GetFreeAppDomain()
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{
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lock(GetLock) {
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// No current or current full?
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if (CurrentAD.CurrentAppDomain == null || CurrentAD.ScriptsLoaded >= MaxScriptsPerAppDomain)
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{
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// Create a new current AppDomain
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CurrentAD = new AppDomainStructure();
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CurrentAD.ScriptsWaitingUnload = 0; // to avoid compile warning for not in use
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CurrentAD.CurrentAppDomain = PrepareNewAppDomain();
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AppDomains.Add(CurrentAD);
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}
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// Increase number of scripts loaded
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CurrentAD.ScriptsLoaded++;
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// Return AppDomain
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return CurrentAD.CurrentAppDomain;
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} // lock
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}
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private int AppDomainNameCount;
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private AppDomain PrepareNewAppDomain()
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{
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// Create and prepare a new AppDomain
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AppDomainNameCount++;
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// TODO: Currently security and configuration match current appdomain
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// Construct and initialize settings for a second AppDomain.
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AppDomainSetup ads = new AppDomainSetup();
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ads.ApplicationBase = AppDomain.CurrentDomain.BaseDirectory;
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//Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "ScriptEngines");
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//ads.ApplicationName = "DotNetScriptEngine";
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//ads.DynamicBase = ads.ApplicationBase;
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//Console.WriteLine("AppDomain BaseDirectory: " + ads.ApplicationBase);
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ads.DisallowBindingRedirects = false;
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ads.DisallowCodeDownload = true;
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ads.ShadowCopyFiles = "true";
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ads.ConfigurationFile =
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AppDomain.CurrentDomain.SetupInformation.ConfigurationFile;
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AppDomain AD = AppDomain.CreateDomain("ScriptAppDomain_" + AppDomainNameCount, null, ads);
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foreach (Assembly a in AppDomain.CurrentDomain.GetAssemblies())
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{
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//Console.WriteLine("Loading: " + a.GetName(true));
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try
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{
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//AD.Load(a.GetName(true));
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}
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catch (Exception e)
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{
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//Console.WriteLine("FAILED load");
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}
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}
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//Console.WriteLine("Assembly file: " + this.GetType().Assembly.CodeBase);
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//Console.WriteLine("Assembly name: " + this.GetType().ToString());
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//AD.CreateInstanceFrom(this.GetType().Assembly.CodeBase, "OpenSim.Region.ScriptEngine.DotNetEngine.ScriptEngine");
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//AD.Load(this.GetType().Assembly.CodeBase);
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Console.WriteLine("Done preparing new AppDomain.");
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return AD;
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}
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}
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}
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