bacbade369
Loads of things has been put into interfaces instead of the specific class. We are now one step closer to ScriptServer, and its very easy to implement new script languages. Just a few lines required to make them a OpenSim script module with all its glory.
295 lines
10 KiB
C#
295 lines
10 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSim Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS AS IS AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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.Threading;
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using libsecondlife;
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using OpenSim.Region.Environment.Interfaces;
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using OpenSim.Region.Environment.Modules;
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namespace OpenSim.Region.ScriptEngine.Common.ScriptEngineBase
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{
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/// <summary>
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/// Handles LSL commands that takes long time and returns an event, for example timers, HTTP requests, etc.
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/// </summary>
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public class LSLLongCmdHandler
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{
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private Thread cmdHandlerThread;
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private int cmdHandlerThreadCycleSleepms = 100;
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private ScriptEngine m_ScriptEngine;
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public LSLLongCmdHandler(ScriptEngine _ScriptEngine)
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{
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m_ScriptEngine = _ScriptEngine;
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// Start the thread that will be doing the work
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cmdHandlerThread = new Thread(CmdHandlerThreadLoop);
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cmdHandlerThread.Name = "CmdHandlerThread";
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cmdHandlerThread.Priority = ThreadPriority.BelowNormal;
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cmdHandlerThread.IsBackground = true;
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cmdHandlerThread.Start();
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}
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~LSLLongCmdHandler()
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{
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// Shut down thread
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try
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{
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if (cmdHandlerThread != null)
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{
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if (cmdHandlerThread.IsAlive == true)
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{
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cmdHandlerThread.Abort();
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cmdHandlerThread.Join();
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}
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}
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}
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catch
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{
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}
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}
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private void CmdHandlerThreadLoop()
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{
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while (true)
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{
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// Check timers
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CheckTimerEvents();
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Thread.Sleep(25);
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// Check HttpRequests
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CheckHttpRequests();
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Thread.Sleep(25);
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// Check XMLRPCRequests
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CheckXMLRPCRequests();
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Thread.Sleep(25);
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// Check Listeners
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CheckListeners();
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Thread.Sleep(25);
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// Sleep before next cycle
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//Thread.Sleep(cmdHandlerThreadCycleSleepms);
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}
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}
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/// <summary>
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/// Remove a specific script (and all its pending commands)
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/// </summary>
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/// <param name="m_localID"></param>
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/// <param name="m_itemID"></param>
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public void RemoveScript(uint localID, LLUUID itemID)
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{
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// Remove a specific script
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// Remove from: Timers
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UnSetTimerEvents(localID, itemID);
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// Remove from: HttpRequest
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IHttpRequests iHttpReq =
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m_ScriptEngine.World.RequestModuleInterface<IHttpRequests>();
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iHttpReq.StopHttpRequest(localID, itemID);
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}
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#region TIMER
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//
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// TIMER
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//
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private class TimerClass
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{
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public uint localID;
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public LLUUID itemID;
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public double interval;
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public DateTime next;
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}
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private List<TimerClass> Timers = new List<TimerClass>();
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private object TimerListLock = new object();
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public void SetTimerEvent(uint m_localID, LLUUID m_itemID, double sec)
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{
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Console.WriteLine("SetTimerEvent");
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// Always remove first, in case this is a re-set
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UnSetTimerEvents(m_localID, m_itemID);
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if (sec == 0) // Disabling timer
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return;
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// Add to timer
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TimerClass ts = new TimerClass();
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ts.localID = m_localID;
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ts.itemID = m_itemID;
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ts.interval = sec;
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ts.next = DateTime.Now.ToUniversalTime().AddSeconds(ts.interval);
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lock (TimerListLock)
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{
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Timers.Add(ts);
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}
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}
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public void UnSetTimerEvents(uint m_localID, LLUUID m_itemID)
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{
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// Remove from timer
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lock (TimerListLock)
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{
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List<TimerClass> NewTimers = new List<TimerClass>();
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foreach (TimerClass ts in Timers)
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{
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if (ts.localID != m_localID && ts.itemID != m_itemID)
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{
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NewTimers.Add(ts);
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}
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}
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Timers.Clear();
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Timers = NewTimers;
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}
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}
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public void CheckTimerEvents()
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{
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// Nothing to do here?
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if (Timers.Count == 0)
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return;
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lock (TimerListLock)
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{
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// Go through all timers
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foreach (TimerClass ts in Timers)
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{
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// Time has passed?
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if (ts.next.ToUniversalTime() < DateTime.Now.ToUniversalTime())
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{
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// Add it to queue
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m_ScriptEngine.m_EventQueueManager.AddToScriptQueue(ts.localID, ts.itemID, "timer",
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new object[] {});
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// set next interval
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ts.next = DateTime.Now.ToUniversalTime().AddSeconds(ts.interval);
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}
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}
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} // lock
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}
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#endregion
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#region HTTP REQUEST
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public void CheckHttpRequests()
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{
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if (m_ScriptEngine.World == null)
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return;
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IHttpRequests iHttpReq =
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m_ScriptEngine.World.RequestModuleInterface<IHttpRequests>();
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HttpRequestClass httpInfo = null;
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if (iHttpReq != null)
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httpInfo = iHttpReq.GetNextCompletedRequest();
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while (httpInfo != null)
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{
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//Console.WriteLine("PICKED HTTP REQ:" + httpInfo.response_body + httpInfo.status);
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// Deliver data to prim's remote_data handler
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//
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// TODO: Returning null for metadata, since the lsl function
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// only returns the byte for HTTP_BODY_TRUNCATED, which is not
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// implemented here yet anyway. Should be fixed if/when maxsize
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// is supported
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object[] resobj = new object[]
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{
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httpInfo.reqID.ToString(), httpInfo.status, null, httpInfo.response_body
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};
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m_ScriptEngine.m_EventQueueManager.AddToScriptQueue(
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httpInfo.localID, httpInfo.itemID, "http_response", resobj
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);
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httpInfo.Stop();
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httpInfo = null;
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httpInfo = iHttpReq.GetNextCompletedRequest();
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}
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}
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#endregion
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public void CheckXMLRPCRequests()
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{
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if (m_ScriptEngine.World == null)
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return;
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IXMLRPC xmlrpc = m_ScriptEngine.World.RequestModuleInterface<IXMLRPC>();
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if (xmlrpc != null)
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{
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while (xmlrpc.hasRequests())
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{
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RPCRequestInfo rInfo = xmlrpc.GetNextRequest();
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//Console.WriteLine("PICKED REQUEST");
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//Deliver data to prim's remote_data handler
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object[] resobj = new object[]
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{
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2, rInfo.GetChannelKey().ToString(), rInfo.GetMessageID().ToString(), "",
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rInfo.GetIntValue(),
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rInfo.GetStrVal()
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};
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m_ScriptEngine.m_EventQueueManager.AddToScriptQueue(
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rInfo.GetLocalID(), rInfo.GetItemID(), "remote_data", resobj
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);
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}
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}
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}
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public void CheckListeners()
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{
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if (m_ScriptEngine.World == null)
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return;
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IWorldComm comms = m_ScriptEngine.World.RequestModuleInterface<IWorldComm>();
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while (comms.HasMessages())
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{
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ListenerInfo lInfo = comms.GetNextMessage();
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//Deliver data to prim's listen handler
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object[] resobj = new object[]
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{
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lInfo.GetChannel(), lInfo.GetName(), lInfo.GetID().ToString(), lInfo.GetMessage()
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};
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m_ScriptEngine.m_EventQueueManager.AddToScriptQueue(
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lInfo.GetLocalID(), lInfo.GetItemID(), "listen", resobj
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);
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}
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}
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}
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} |