From 6b7930104bdb845d3b9c085dc04f52b6446f23b1 Mon Sep 17 00:00:00 2001
From: lbsa71
Date: Tue, 24 Jun 2008 21:09:49 +0000
Subject: * Applied patch from Melanie, mantis issue #1581 - "Refactor LSL
language, api and compiler out of XEngine" "First stage in a major Script
Engine refactor, that will result in the LSL implementaions ebing
reconverged. Not there yet, but one major part is done." Thank you, Melanie!
---
.../Api/Implementation/AsyncCommandManager.cs | 308 +++++++++++++++++++++
1 file changed, 308 insertions(+)
create mode 100644 OpenSim/Region/ScriptEngine/Shared/Api/Implementation/AsyncCommandManager.cs
(limited to 'OpenSim/Region/ScriptEngine/Shared/Api/Implementation/AsyncCommandManager.cs')
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/AsyncCommandManager.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/AsyncCommandManager.cs
new file mode 100644
index 0000000..8c967a2
--- /dev/null
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/AsyncCommandManager.cs
@@ -0,0 +1,308 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of the OpenSim Project nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Threading;
+using libsecondlife;
+using OpenSim.Framework;
+using OpenSim.Region.Environment.Interfaces;
+using OpenSim.Region.ScriptEngine.Interfaces;
+using OpenSim.Region.ScriptEngine.Shared;
+using OpenSim.Region.ScriptEngine.Shared.Api.Plugins;
+using Timer=OpenSim.Region.ScriptEngine.Shared.Api.Plugins.Timer;
+
+namespace OpenSim.Region.ScriptEngine.Shared.Api
+{
+ ///
+ /// Handles LSL commands that takes long time and returns an event, for example timers, HTTP requests, etc.
+ ///
+ public class AsyncCommandManager
+ {
+ private static Thread cmdHandlerThread;
+ private static int cmdHandlerThreadCycleSleepms;
+
+ private static List m_Managers = new List();
+ public IScriptEngine m_ScriptEngine;
+
+ private Dataserver m_Dataserver;
+ private Timer m_Timer;
+ private HttpRequest m_HttpRequest;
+ private Listener m_Listener;
+ private SensorRepeat m_SensorRepeat;
+ private XmlRequest m_XmlRequest;
+
+ public Dataserver DataserverPlugin
+ {
+ get { return m_Dataserver; }
+ }
+
+ public Timer TimerPlugin
+ {
+ get { return m_Timer; }
+ }
+
+ public HttpRequest HttpRequestPlugin
+ {
+ get { return m_HttpRequest; }
+ }
+
+ public Listener ListenerPlugin
+ {
+ get { return m_Listener; }
+ }
+
+ public SensorRepeat SensorRepeatPlugin
+ {
+ get { return m_SensorRepeat; }
+ }
+
+ public XmlRequest XmlRequestPlugin
+ {
+ get { return m_XmlRequest; }
+ }
+
+ public AsyncCommandManager[] Managers
+ {
+ get { return m_Managers.ToArray(); }
+ }
+
+ public AsyncCommandManager(IScriptEngine _ScriptEngine)
+ {
+ m_ScriptEngine = _ScriptEngine;
+ if(!m_Managers.Contains(this))
+ m_Managers.Add(this);
+
+ ReadConfig();
+
+ // Create instances of all plugins
+ m_Dataserver = new Dataserver(this);
+ m_Timer = new Timer(this);
+ m_HttpRequest = new HttpRequest(this);
+ m_Listener = new Listener(this);
+ m_SensorRepeat = new SensorRepeat(this);
+ m_XmlRequest = new XmlRequest(this);
+
+ StartThread();
+ }
+
+ private static void StartThread()
+ {
+ if (cmdHandlerThread == null)
+ {
+ // Start the thread that will be doing the work
+ cmdHandlerThread = new Thread(CmdHandlerThreadLoop);
+ cmdHandlerThread.Name = "AsyncLSLCmdHandlerThread";
+ cmdHandlerThread.Priority = ThreadPriority.BelowNormal;
+ cmdHandlerThread.IsBackground = true;
+ cmdHandlerThread.Start();
+ ThreadTracker.Add(cmdHandlerThread);
+ }
+ }
+
+ public void ReadConfig()
+ {
+ cmdHandlerThreadCycleSleepms = m_ScriptEngine.Config.GetInt("AsyncLLCommandLoopms", 100);
+ }
+
+ ~AsyncCommandManager()
+ {
+ // Shut down thread
+ try
+ {
+ if (cmdHandlerThread != null)
+ {
+ if (cmdHandlerThread.IsAlive == true)
+ {
+ cmdHandlerThread.Abort();
+ //cmdHandlerThread.Join();
+ }
+ }
+ }
+ catch
+ {
+ }
+ }
+
+ private static void CmdHandlerThreadLoop()
+ {
+ while (true)
+ {
+ try
+ {
+ while (true)
+ {
+ Thread.Sleep(cmdHandlerThreadCycleSleepms);
+
+ foreach (AsyncCommandManager m in m_Managers)
+ {
+ m.DoOneCmdHandlerPass();
+ }
+ }
+ }
+ catch
+ {
+ }
+ }
+ }
+
+ public void DoOneCmdHandlerPass()
+ {
+ // Check timers
+ m_Timer.CheckTimerEvents();
+ // Check HttpRequests
+ m_HttpRequest.CheckHttpRequests();
+ // Check XMLRPCRequests
+ m_XmlRequest.CheckXMLRPCRequests();
+ // Check Listeners
+ m_Listener.CheckListeners();
+ // Check Sensors
+ m_SensorRepeat.CheckSenseRepeaterEvents();
+ // Check dataserver
+ m_Dataserver.ExpireRequests();
+ }
+
+ ///
+ /// Remove a specific script (and all its pending commands)
+ ///
+ ///
+ ///
+ public void RemoveScript(uint localID, LLUUID itemID)
+ {
+ // Remove a specific script
+
+ // Remove dataserver events
+ m_Dataserver.RemoveEvents(localID, itemID);
+
+ // Remove from: Timers
+ m_Timer.UnSetTimerEvents(localID, itemID);
+
+ // Remove from: HttpRequest
+ IHttpRequests iHttpReq =
+ m_ScriptEngine.World.RequestModuleInterface();
+ iHttpReq.StopHttpRequest(localID, itemID);
+
+ IWorldComm comms = m_ScriptEngine.World.RequestModuleInterface();
+ comms.DeleteListener(itemID);
+
+ IXMLRPC xmlrpc = m_ScriptEngine.World.RequestModuleInterface();
+ xmlrpc.DeleteChannels(itemID);
+ xmlrpc.CancelSRDRequests(itemID);
+
+ // Remove Sensors
+ m_SensorRepeat.UnSetSenseRepeaterEvents(localID, itemID);
+
+ }
+
+ public Object[] GetSerializationData(LLUUID itemID)
+ {
+ List