mirror of
https://github.com/opensim/opensim.git
synced 2026-07-20 06:35:39 +08:00
remove ^M, as native storage should be UNIX format, and ^M in/out mashing
will happen on the windows side now that eol-style is correct
This commit is contained in:
Sean Dague
@@ -1,197 +1,197 @@
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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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using OpenSim.Region.Environment.Scenes;
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using OpenSim.Region.Environment.Scenes.Scripting;
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using OpenSim.Region.ScriptEngine.DotNetEngine.Compiler.LSL;
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using OpenSim.Region.ScriptEngine.Common;
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using libsecondlife;
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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 = 1;
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/// <summary>
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/// Internal list of all AppDomains
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/// </summary>
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private List<AppDomainStructure> appDomains = new List<AppDomainStructure>();
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/// <summary>
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/// Structure to keep track of data around AppDomain
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/// </summary>
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private class 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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/// <summary>
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/// Current AppDomain
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/// </summary>
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private AppDomainStructure currentAD;
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private object getLock = new object(); // Mutex
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private object freeLock = new object(); // Mutex
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//private ScriptEngine m_scriptEngine;
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//public AppDomainManager(ScriptEngine scriptEngine)
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public AppDomainManager()
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{
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//m_scriptEngine = scriptEngine;
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}
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/// <summary>
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/// Find a free AppDomain, creating one if necessary
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/// </summary>
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/// <returns>Free AppDomain</returns>
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private AppDomainStructure GetFreeAppDomain()
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{
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Console.WriteLine("Finding free AppDomain");
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lock (getLock)
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{
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// Current full?
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if (currentAD != null && currentAD.ScriptsLoaded >= maxScriptsPerAppDomain)
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{
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// Add it to AppDomains list and empty current
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appDomains.Add(currentAD);
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currentAD = null;
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}
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// No current
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if (currentAD == null)
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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.CurrentAppDomain = PrepareNewAppDomain();
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}
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Console.WriteLine("Scripts loaded in this Appdomain: " + currentAD.ScriptsLoaded);
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return currentAD;
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} // lock
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}
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private int AppDomainNameCount;
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/// <summary>
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/// Create and prepare a new AppDomain for scripts
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/// </summary>
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/// <returns>The new AppDomain</returns>
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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 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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ads.DisallowBindingRedirects = false;
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ads.DisallowCodeDownload = true;
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ads.ShadowCopyFiles = "true"; // Enabled shadowing
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ads.ConfigurationFile = AppDomain.CurrentDomain.SetupInformation.ConfigurationFile;
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AppDomain AD = AppDomain.CreateDomain("ScriptAppDomain_" + AppDomainNameCount, null, ads);
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// Return the new AppDomain
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return AD;
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}
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/// <summary>
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/// Unload appdomains that are full and have only dead scripts
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/// </summary>
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private void UnloadAppDomains()
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{
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lock (freeLock)
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{
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// Go through all
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foreach (AppDomainStructure ads in new System.Collections.ArrayList(appDomains))
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{
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// Don't process current AppDomain
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if (ads.CurrentAppDomain != currentAD.CurrentAppDomain)
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{
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// Not current AppDomain
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// Is number of unloaded bigger or equal to number of loaded?
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if (ads.ScriptsLoaded <= ads.ScriptsWaitingUnload)
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{
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Console.WriteLine("Found empty AppDomain, unloading");
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// Remove from internal list
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appDomains.Remove(ads);
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#if DEBUG
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long m = GC.GetTotalMemory(true);
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#endif
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// Unload
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AppDomain.Unload(ads.CurrentAppDomain);
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#if DEBUG
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Console.WriteLine("AppDomain unload freed " + (m - GC.GetTotalMemory(true)) + " bytes of memory");
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#endif
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}
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}
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} // foreach
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} // lock
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}
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public OpenSim.Region.ScriptEngine.DotNetEngine.Compiler.LSL.LSL_BaseClass LoadScript(string FileName)
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{
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// Find next available AppDomain to put it in
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AppDomainStructure FreeAppDomain = GetFreeAppDomain();
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Console.WriteLine("Loading into AppDomain: " + FileName);
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LSL_BaseClass mbrt = (LSL_BaseClass)FreeAppDomain.CurrentAppDomain.CreateInstanceFromAndUnwrap(FileName, "SecondLife.Script");
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//Console.WriteLine("ScriptEngine AppDomainManager: is proxy={0}", RemotingServices.IsTransparentProxy(mbrt));
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FreeAppDomain.ScriptsLoaded++;
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return mbrt;
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}
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/// <summary>
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/// Increase "dead script" counter for an AppDomain
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/// </summary>
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/// <param name="ad"></param>
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//[Obsolete("Needs fixing, needs a real purpose in life!!!")]
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public void StopScript(AppDomain ad)
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{
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lock (freeLock)
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{
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Console.WriteLine("Stopping script in AppDomain");
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// Check if it is current AppDomain
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if (currentAD.CurrentAppDomain == ad)
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{
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// Yes - increase
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currentAD.ScriptsWaitingUnload++;
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return;
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}
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// Lopp through all AppDomains
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foreach (AppDomainStructure ads in new System.Collections.ArrayList(appDomains))
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{
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if (ads.CurrentAppDomain == ad)
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{
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// Found it
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ads.ScriptsWaitingUnload++;
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break;
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}
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} // foreach
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} // lock
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UnloadAppDomains(); // Outsite lock, has its own GetLock
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}
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}
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}
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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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using OpenSim.Region.Environment.Scenes;
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using OpenSim.Region.Environment.Scenes.Scripting;
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using OpenSim.Region.ScriptEngine.DotNetEngine.Compiler.LSL;
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using OpenSim.Region.ScriptEngine.Common;
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using libsecondlife;
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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 = 1;
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/// <summary>
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/// Internal list of all AppDomains
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/// </summary>
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private List<AppDomainStructure> appDomains = new List<AppDomainStructure>();
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/// <summary>
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/// Structure to keep track of data around AppDomain
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/// </summary>
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private class 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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/// <summary>
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/// Current AppDomain
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/// </summary>
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private AppDomainStructure currentAD;
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private object getLock = new object(); // Mutex
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private object freeLock = new object(); // Mutex
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//private ScriptEngine m_scriptEngine;
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//public AppDomainManager(ScriptEngine scriptEngine)
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public AppDomainManager()
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{
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//m_scriptEngine = scriptEngine;
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}
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/// <summary>
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/// Find a free AppDomain, creating one if necessary
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/// </summary>
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/// <returns>Free AppDomain</returns>
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private AppDomainStructure GetFreeAppDomain()
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{
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Console.WriteLine("Finding free AppDomain");
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lock (getLock)
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{
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// Current full?
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if (currentAD != null && currentAD.ScriptsLoaded >= maxScriptsPerAppDomain)
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{
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// Add it to AppDomains list and empty current
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appDomains.Add(currentAD);
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currentAD = null;
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}
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// No current
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if (currentAD == null)
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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.CurrentAppDomain = PrepareNewAppDomain();
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}
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Console.WriteLine("Scripts loaded in this Appdomain: " + currentAD.ScriptsLoaded);
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return currentAD;
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} // lock
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}
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private int AppDomainNameCount;
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/// <summary>
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/// Create and prepare a new AppDomain for scripts
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/// </summary>
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/// <returns>The new AppDomain</returns>
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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 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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ads.DisallowBindingRedirects = false;
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ads.DisallowCodeDownload = true;
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ads.ShadowCopyFiles = "true"; // Enabled shadowing
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ads.ConfigurationFile = AppDomain.CurrentDomain.SetupInformation.ConfigurationFile;
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AppDomain AD = AppDomain.CreateDomain("ScriptAppDomain_" + AppDomainNameCount, null, ads);
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// Return the new AppDomain
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return AD;
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}
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/// <summary>
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/// Unload appdomains that are full and have only dead scripts
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/// </summary>
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private void UnloadAppDomains()
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{
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lock (freeLock)
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{
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// Go through all
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foreach (AppDomainStructure ads in new System.Collections.ArrayList(appDomains))
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{
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// Don't process current AppDomain
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if (ads.CurrentAppDomain != currentAD.CurrentAppDomain)
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{
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// Not current AppDomain
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// Is number of unloaded bigger or equal to number of loaded?
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if (ads.ScriptsLoaded <= ads.ScriptsWaitingUnload)
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{
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Console.WriteLine("Found empty AppDomain, unloading");
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// Remove from internal list
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appDomains.Remove(ads);
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#if DEBUG
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long m = GC.GetTotalMemory(true);
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#endif
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// Unload
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AppDomain.Unload(ads.CurrentAppDomain);
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#if DEBUG
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Console.WriteLine("AppDomain unload freed " + (m - GC.GetTotalMemory(true)) + " bytes of memory");
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#endif
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}
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}
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} // foreach
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} // lock
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}
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public OpenSim.Region.ScriptEngine.DotNetEngine.Compiler.LSL.LSL_BaseClass LoadScript(string FileName)
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{
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// Find next available AppDomain to put it in
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AppDomainStructure FreeAppDomain = GetFreeAppDomain();
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Console.WriteLine("Loading into AppDomain: " + FileName);
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LSL_BaseClass mbrt = (LSL_BaseClass)FreeAppDomain.CurrentAppDomain.CreateInstanceFromAndUnwrap(FileName, "SecondLife.Script");
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//Console.WriteLine("ScriptEngine AppDomainManager: is proxy={0}", RemotingServices.IsTransparentProxy(mbrt));
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FreeAppDomain.ScriptsLoaded++;
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return mbrt;
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}
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/// <summary>
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/// Increase "dead script" counter for an AppDomain
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/// </summary>
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/// <param name="ad"></param>
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//[Obsolete("Needs fixing, needs a real purpose in life!!!")]
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public void StopScript(AppDomain ad)
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{
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lock (freeLock)
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{
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Console.WriteLine("Stopping script in AppDomain");
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// Check if it is current AppDomain
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if (currentAD.CurrentAppDomain == ad)
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{
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// Yes - increase
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currentAD.ScriptsWaitingUnload++;
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return;
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}
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// Lopp through all AppDomains
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foreach (AppDomainStructure ads in new System.Collections.ArrayList(appDomains))
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{
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if (ads.CurrentAppDomain == ad)
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{
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// Found it
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ads.ScriptsWaitingUnload++;
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break;
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}
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} // foreach
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} // lock
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UnloadAppDomains(); // Outsite lock, has its own GetLock
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}
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}
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}
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