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Added load/unload queue size limit

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Added option to share script load/unload thread between regions
Added event execution queue size limit
+ some bugfixes from all the changes
This commit is contained in:
Tedd Hansen
2008-02-02 03:11:06 +00:00
parent 8ccc12d642
commit e06ee9fd4b
6 changed files with 98 additions and 21 deletions
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71
OpenSim/Region/ScriptEngine/Common/ScriptEngineBase/ScriptManager.cs
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@@ -62,9 +62,11 @@ namespace OpenSim.Region.ScriptEngine.Common.ScriptEngineBase
#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;
// Load/Unload structure
private struct LUStruct
@@ -98,6 +100,8 @@ namespace OpenSim.Region.ScriptEngine.Common.ScriptEngineBase
public void ReadConfig()
{
scriptLoadUnloadThread_IdleSleepms = m_scriptEngine.ScriptConfigSource.GetInt("ScriptLoadUnloadLoopms", 30);
PrivateThread = m_scriptEngine.ScriptConfigSource.GetBoolean("PrivateScriptLoadUnloadThread", false);
LoadUnloadMaxQueueSize = m_scriptEngine.ScriptConfigSource.GetInt("LoadUnloadMaxQueueSize", 100);
}
#region Object init/shutdown
@@ -107,14 +111,52 @@ namespace OpenSim.Region.ScriptEngine.Common.ScriptEngineBase
public ScriptManager(ScriptEngineBase.ScriptEngine scriptEngine)
{
m_scriptEngine = scriptEngine;
// We should not read config during startup as ScriptEngine may not have config object yet
}
public void Start()
{
ReadConfig();
AppDomain.CurrentDomain.AssemblyResolve += new ResolveEventHandler(CurrentDomain_AssemblyResolve);
scriptLoadUnloadThread = new Thread(ScriptLoadUnloadThreadLoop);
scriptLoadUnloadThread.Name = "ScriptLoadUnloadThread";
scriptLoadUnloadThread.IsBackground = true;
scriptLoadUnloadThread.Priority = ThreadPriority.BelowNormal;
scriptLoadUnloadThread.Start();
//
// 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;
}
}
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();
return t;
}
~ScriptManager()
@@ -122,6 +164,8 @@ namespace OpenSim.Region.ScriptEngine.Common.ScriptEngineBase
// Abort load/unload thread
try
{
PleaseShutdown = true;
Thread.Sleep(100);
if (scriptLoadUnloadThread != null)
{
if (scriptLoadUnloadThread.IsAlive == true)
@@ -148,6 +192,8 @@ namespace OpenSim.Region.ScriptEngine.Common.ScriptEngineBase
{
if (LUQueue.Count == 0)
Thread.Sleep(scriptLoadUnloadThread_IdleSleepms);
if (PleaseShutdown)
return;
if (LUQueue.Count > 0)
{
LUStruct item = LUQueue.Dequeue();
@@ -185,7 +231,7 @@ namespace OpenSim.Region.ScriptEngine.Common.ScriptEngineBase
#endregion
#region Start/Stop/Reset script
@@ -198,6 +244,12 @@ namespace OpenSim.Region.ScriptEngine.Common.ScriptEngineBase
/// <param name="localID"></param>
public void StartScript(uint localID, LLUUID itemID, string Script)
{
if (LUQueue.Count >= LoadUnloadMaxQueueSize)
{
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;
@@ -224,9 +276,8 @@ namespace OpenSim.Region.ScriptEngine.Common.ScriptEngineBase
//private Compiler.LSL.Compiler LSLCompiler = new Compiler.LSL.Compiler();
public abstract void _StartScript(uint localID, LLUUID itemID, string Script);
public abstract void _StopScript(uint localID, LLUUID itemID);
#endregion