7e8320bada
XEngine fixes: prevent queue overruns, prevent spamming when no key is down. Release controls when conflicting permissions are requested or permissions are refused later. Release when prim or script are deleted. Fixes Scene script instance deletion semantics.
893 lines
29 KiB
C#
893 lines
29 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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using System;
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using System.IO;
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using System.Threading;
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using System.Collections;
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using System.Collections.Generic;
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using System.Security.Policy;
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using System.Reflection;
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using System.Globalization;
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using System.Xml;
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using OpenMetaverse;
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using log4net;
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using Nini.Config;
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using Amib.Threading;
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using OpenSim.Framework;
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using OpenSim.Region.Environment;
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using OpenSim.Region.Environment.Scenes;
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using OpenSim.Region.Environment.Interfaces;
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using OpenSim.Region.ScriptEngine.Shared;
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using OpenSim.Region.ScriptEngine.Shared.Api;
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using OpenSim.Region.ScriptEngine.Shared.ScriptBase;
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using OpenSim.Region.ScriptEngine.Shared.CodeTools;
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using OpenSim.Region.ScriptEngine.Shared.Instance;
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using OpenSim.Region.ScriptEngine.Interfaces;
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namespace OpenSim.Region.ScriptEngine.XEngine
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{
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public class XEngine : IScriptModule, IScriptEngine
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{
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private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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private SmartThreadPool m_ThreadPool;
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private int m_MaxScriptQueue;
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private Scene m_Scene;
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private IConfig m_ScriptConfig;
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private Compiler m_Compiler;
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// disable warning: need to keep a reference to XEngine.EventManager
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// alive to avoid it being garbage collected
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#pragma warning disable 414
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private EventManager m_EventManager;
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#pragma warning restore 414
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private int m_EventLimit;
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private bool m_KillTimedOutScripts;
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private AsyncCommandManager m_AsyncCommands;
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bool m_firstStart = true;
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private static List<XEngine> m_ScriptEngines =
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new List<XEngine>();
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// Maps the local id to the script inventory items in it
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private Dictionary<uint, List<UUID> > m_PrimObjects =
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new Dictionary<uint, List<UUID> >();
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// Maps the UUID above to the script instance
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private Dictionary<UUID, IScriptInstance> m_Scripts =
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new Dictionary<UUID, IScriptInstance>();
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// Maps the asset ID to the assembly
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private Dictionary<UUID, string> m_Assemblies =
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new Dictionary<UUID, string>();
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// This will list AppDomains by script asset
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private Dictionary<UUID, AppDomain> m_AppDomains =
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new Dictionary<UUID, AppDomain>();
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// List the scripts running in each appdomain
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private Dictionary<UUID, List<UUID> > m_DomainScripts =
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new Dictionary<UUID, List<UUID> >();
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private Queue m_CompileQueue = new Queue(100);
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IWorkItemResult m_CurrentCompile = null;
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public string ScriptEngineName
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{
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get { return "XEngine"; }
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}
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public Scene World
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{
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get { return m_Scene; }
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}
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public ILog Log
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{
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get { return m_log; }
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}
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public static List<XEngine> ScriptEngines
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{
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get { return m_ScriptEngines; }
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}
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// private struct RezScriptParms
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// {
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// uint LocalID;
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// UUID ItemID;
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// string Script;
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// }
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public IConfig Config
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{
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get { return m_ScriptConfig; }
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}
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public Object AsyncCommands
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{
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get { return (Object)m_AsyncCommands; }
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}
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//
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// IRegionModule functions
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//
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public void Initialise(Scene scene, IConfigSource configSource)
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{
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AppDomain.CurrentDomain.AssemblyResolve +=
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OnAssemblyResolve;
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m_log.InfoFormat("[XEngine] Initializing scripts in region {0}",
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scene.RegionInfo.RegionName);
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m_Scene = scene;
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m_ScriptConfig = configSource.Configs["XEngine"];
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if (m_ScriptConfig == null)
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{
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m_log.ErrorFormat("[XEngine] No script configuration found. Scripts disabled");
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return;
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}
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int minThreads = m_ScriptConfig.GetInt("MinThreads", 2);
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int maxThreads = m_ScriptConfig.GetInt("MaxThreads", 100);
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int idleTimeout = m_ScriptConfig.GetInt("IdleTimeout", 60);
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string priority = m_ScriptConfig.GetString("Priority", "BelowNormal");
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int maxScriptQueue = m_ScriptConfig.GetInt("MaxScriptEventQueue",300);
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int stackSize = m_ScriptConfig.GetInt("ThreadStackSize", 262144);
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int sleepTime = m_ScriptConfig.GetInt("MaintenanceInterval", 10) * 1000;
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m_EventLimit = m_ScriptConfig.GetInt("EventLimit", 30);
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m_KillTimedOutScripts = m_ScriptConfig.GetBoolean("KillTimedOutScripts", false);
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int saveTime = m_ScriptConfig.GetInt("SaveInterval", 120) * 1000;
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ThreadPriority prio = ThreadPriority.BelowNormal;
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switch (priority)
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{
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case "Lowest":
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prio = ThreadPriority.Lowest;
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break;
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case "BelowNormal":
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prio = ThreadPriority.BelowNormal;
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break;
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case "Normal":
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prio = ThreadPriority.Normal;
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break;
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case "AboveNormal":
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prio = ThreadPriority.AboveNormal;
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break;
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case "Highest":
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prio = ThreadPriority.Highest;
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break;
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default:
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m_log.ErrorFormat("[XEngine] Invalid thread priority: '{0}'. Assuming BelowNormal", priority);
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break;
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}
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lock (m_ScriptEngines)
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{
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m_ScriptEngines.Add(this);
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}
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m_EventManager = new EventManager(this);
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StartEngine(minThreads, maxThreads, idleTimeout, prio,
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maxScriptQueue, stackSize);
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m_Compiler = new Compiler(this);
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m_Scene.EventManager.OnRezScript += OnRezScript;
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m_Scene.EventManager.OnRemoveScript += OnRemoveScript;
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m_Scene.EventManager.OnScriptReset += OnScriptReset;
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m_Scene.EventManager.OnStartScript += OnStartScript;
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m_Scene.EventManager.OnStopScript += OnStopScript;
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m_Scene.EventManager.OnShutdown += OnShutdown;
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m_AsyncCommands = new AsyncCommandManager(this);
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if (sleepTime > 0)
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{
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m_ThreadPool.QueueWorkItem(new WorkItemCallback(this.DoMaintenance),
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new Object[]{ sleepTime });
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}
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if (saveTime > 0)
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{
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m_ThreadPool.QueueWorkItem(new WorkItemCallback(this.DoBackup),
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new Object[] { saveTime });
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}
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scene.RegisterModuleInterface<IScriptModule>(this);
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}
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public void PostInitialise()
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{
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m_ThreadPool.Start();
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}
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public void Close()
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{
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lock (m_ScriptEngines)
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{
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if (m_ScriptEngines.Contains(this))
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m_ScriptEngines.Remove(this);
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}
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}
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public object DoBackup(object o)
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{
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Object[] p = (Object[])o;
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int saveTime = (int)p[0];
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if (saveTime > 0)
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System.Threading.Thread.Sleep(saveTime);
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// m_log.Debug("[XEngine] Backing up script states");
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List<IScriptInstance> instances = new List<IScriptInstance>();
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lock (m_Scripts)
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{
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foreach (IScriptInstance instance in m_Scripts.Values)
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instances.Add(instance);
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}
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foreach (IScriptInstance i in instances)
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{
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string assembly = String.Empty;
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lock (m_Scripts)
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{
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if (!m_Assemblies.ContainsKey(i.AssetID))
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continue;
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assembly = m_Assemblies[i.AssetID];
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}
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i.SaveState(assembly);
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}
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instances.Clear();
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if (saveTime > 0)
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m_ThreadPool.QueueWorkItem(new WorkItemCallback(this.DoBackup),
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new Object[] { saveTime });
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return 0;
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}
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public object DoMaintenance(object p)
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{
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object[] parms = (object[])p;
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int sleepTime = (int)parms[0];
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foreach (IScriptInstance inst in m_Scripts.Values)
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{
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if (inst.EventTime() > m_EventLimit)
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{
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inst.Stop(100);
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if (!m_KillTimedOutScripts)
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inst.Start();
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}
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}
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System.Threading.Thread.Sleep(sleepTime);
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m_ThreadPool.QueueWorkItem(new WorkItemCallback(this.DoMaintenance),
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new Object[]{ sleepTime });
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return 0;
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}
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public string Name
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{
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get { return "XEngine"; }
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}
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public bool IsSharedModule
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{
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get { return false; }
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}
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public void OnRezScript(uint localID, UUID itemID, string script, int startParam, bool postOnRez)
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{
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Object[] parms = new Object[]{localID, itemID, script, startParam, postOnRez};
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lock (m_CompileQueue)
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{
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m_CompileQueue.Enqueue(parms);
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if (m_CurrentCompile == null)
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{
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if (m_firstStart)
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{
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m_firstStart = false;
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m_CurrentCompile = m_ThreadPool.QueueWorkItem(
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new WorkItemCallback(this.DoScriptWait),
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new Object[0]);
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return;
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}
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m_CurrentCompile = m_ThreadPool.QueueWorkItem(
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new WorkItemCallback(this.DoOnRezScriptQueue),
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new Object[0]);
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}
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}
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}
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public Object DoScriptWait(Object dummy)
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{
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Thread.Sleep(30000);
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lock (m_CompileQueue)
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{
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if (m_CompileQueue.Count > 0)
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{
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m_CurrentCompile = m_ThreadPool.QueueWorkItem(
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new WorkItemCallback(this.DoOnRezScriptQueue),
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new Object[0]);
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}
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else
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{
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m_CurrentCompile = null;
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}
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}
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return null;
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}
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public Object DoOnRezScriptQueue(Object dummy)
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{
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Object o;
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lock (m_CompileQueue)
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{
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o = m_CompileQueue.Dequeue();
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if (o == null)
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{
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m_CurrentCompile = null;
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return null;
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}
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}
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DoOnRezScript(o);
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lock (m_CompileQueue)
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{
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if (m_CompileQueue.Count > 0)
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{
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m_CurrentCompile = m_ThreadPool.QueueWorkItem(
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new WorkItemCallback(this.DoOnRezScriptQueue),
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new Object[0]);
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}
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else
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{
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m_CurrentCompile = null;
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}
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}
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return null;
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}
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private bool DoOnRezScript(object parm)
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{
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Object[] p = (Object[])parm;
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uint localID = (uint)p[0];
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UUID itemID = (UUID)p[1];
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string script =(string)p[2];
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int startParam = (int)p[3];
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bool postOnRez = (bool)p[4];
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// Get the asset ID of the script, so we can check if we
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// already have it.
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SceneObjectPart part = m_Scene.GetSceneObjectPart(localID);
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if (part == null)
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return false;
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TaskInventoryItem item = part.GetInventoryItem(itemID);
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if (item == null)
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return false;
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UUID assetID = item.AssetID;
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// m_log.DebugFormat("[XEngine] Compiling script {0} ({1})",
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// item.Name, itemID.ToString());
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string assembly = "";
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try
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{
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assembly = m_Compiler.PerformScriptCompile(script,
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assetID.ToString());
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}
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catch (Exception e)
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{
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try
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{
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// DISPLAY ERROR INWORLD
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string text = "Error compiling script:\r\n" + e.Message.ToString();
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if (text.Length > 1000)
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text = text.Substring(0, 1000);
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World.SimChat(Utils.StringToBytes(text),
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ChatTypeEnum.DebugChannel, 2147483647,
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part.AbsolutePosition,
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part.Name, part.UUID, false);
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}
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catch (Exception e2) // LEGIT: User Scripting
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{
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m_log.Error("[XEngine]: "+
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"Error displaying error in-world: " +
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e2.ToString());
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m_log.Error("[XEngine]: " +
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"Errormessage: Error compiling script:\r\n" +
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e.Message.ToString());
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}
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return false;
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}
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lock (m_Scripts)
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{
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// Create the object record
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if ((!m_Scripts.ContainsKey(itemID)) ||
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(m_Scripts[itemID].AssetID != assetID))
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{
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UUID appDomain = assetID;
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if (part.ParentGroup.RootPart.IsAttachment)
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appDomain = part.ParentGroup.RootPart.UUID;
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if (!m_AppDomains.ContainsKey(appDomain))
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{
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try
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{
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AppDomainSetup appSetup = new AppDomainSetup();
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// appSetup.ApplicationBase = Path.Combine(
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// "ScriptEngines",
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// m_Scene.RegionInfo.RegionID.ToString());
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Evidence baseEvidence = AppDomain.CurrentDomain.Evidence;
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Evidence evidence = new Evidence(baseEvidence);
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m_AppDomains[appDomain] =
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AppDomain.CreateDomain(
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m_Scene.RegionInfo.RegionID.ToString(),
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evidence, appSetup);
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m_AppDomains[appDomain].AssemblyResolve +=
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new ResolveEventHandler(
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AssemblyResolver.OnAssemblyResolve);
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m_DomainScripts[appDomain] = new List<UUID>();
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}
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catch (Exception e)
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{
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m_log.ErrorFormat("[XEngine] Exception creating app domain:\n {0}", e.ToString());
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return false;
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}
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}
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m_DomainScripts[appDomain].Add(itemID);
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ScriptInstance instance =
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new ScriptInstance(this,localID,
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part.UUID, itemID, assetID, assembly,
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m_AppDomains[appDomain],
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part.ParentGroup.RootPart.Name,
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item.Name, startParam, postOnRez,
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StateSource.NewRez, m_MaxScriptQueue);
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m_log.DebugFormat("[XEngine] Loaded script {0}.{1}",
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part.ParentGroup.RootPart.Name, item.Name);
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instance.AppDomain = appDomain;
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m_Scripts[itemID] = instance;
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}
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if (!m_PrimObjects.ContainsKey(localID))
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m_PrimObjects[localID] = new List<UUID>();
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if (!m_PrimObjects[localID].Contains(itemID))
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m_PrimObjects[localID].Add(itemID);
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if (!m_Assemblies.ContainsKey(assetID))
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m_Assemblies[assetID] = assembly;
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}
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return true;
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}
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public void OnRemoveScript(uint localID, UUID itemID)
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{
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lock (m_Scripts)
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{
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// Do we even have it?
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if (!m_Scripts.ContainsKey(itemID))
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return;
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m_AsyncCommands.RemoveScript(localID, itemID);
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IScriptInstance instance=m_Scripts[itemID];
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m_Scripts.Remove(itemID);
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instance.ClearQueue();
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instance.Stop(0);
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SceneObjectPart part =
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m_Scene.GetSceneObjectPart(localID);
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if (part != null)
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part.RemoveScriptEvents(itemID);
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// Remove the script from it's prim
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if (m_PrimObjects.ContainsKey(localID))
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{
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// Remove inventory item record
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if (m_PrimObjects[localID].Contains(itemID))
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m_PrimObjects[localID].Remove(itemID);
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// If there are no more scripts, remove prim
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if (m_PrimObjects[localID].Count == 0)
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{
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m_PrimObjects.Remove(localID);
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}
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}
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m_DomainScripts[instance.AppDomain].Remove(instance.ItemID);
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if (m_DomainScripts[instance.AppDomain].Count == 0)
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{
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m_DomainScripts.Remove(instance.AppDomain);
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UnloadAppDomain(instance.AppDomain);
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}
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instance.RemoveState();
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instance.DestroyScriptInstance();
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instance = null;
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CleanAssemblies();
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}
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}
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public void OnScriptReset(uint localID, UUID itemID)
|
|
{
|
|
ResetScript(itemID);
|
|
}
|
|
|
|
public void OnStartScript(uint localID, UUID itemID)
|
|
{
|
|
StartScript(itemID);
|
|
}
|
|
|
|
public void OnStopScript(uint localID, UUID itemID)
|
|
{
|
|
StopScript(itemID);
|
|
}
|
|
|
|
private void CleanAssemblies()
|
|
{
|
|
List<UUID> assetIDList = new List<UUID>(m_Assemblies.Keys);
|
|
|
|
foreach (IScriptInstance i in m_Scripts.Values)
|
|
{
|
|
if (assetIDList.Contains(i.AssetID))
|
|
assetIDList.Remove(i.AssetID);
|
|
}
|
|
|
|
foreach (UUID assetID in assetIDList)
|
|
{
|
|
// m_log.DebugFormat("[XEngine] Removing unreferenced assembly {0}", m_Assemblies[assetID]);
|
|
try
|
|
{
|
|
if (File.Exists(m_Assemblies[assetID]))
|
|
File.Delete(m_Assemblies[assetID]);
|
|
|
|
if (File.Exists(m_Assemblies[assetID]+".state"))
|
|
File.Delete(m_Assemblies[assetID]+".state");
|
|
|
|
if (File.Exists(m_Assemblies[assetID]+".mdb"))
|
|
File.Delete(m_Assemblies[assetID]+".mdb");
|
|
}
|
|
catch (Exception)
|
|
{
|
|
}
|
|
m_Assemblies.Remove(assetID);
|
|
}
|
|
}
|
|
|
|
private void UnloadAppDomain(UUID id)
|
|
{
|
|
if (m_AppDomains.ContainsKey(id))
|
|
{
|
|
AppDomain domain = m_AppDomains[id];
|
|
m_AppDomains.Remove(id);
|
|
|
|
AppDomain.Unload(domain);
|
|
domain = null;
|
|
// m_log.DebugFormat("[XEngine] Unloaded app domain {0}", id.ToString());
|
|
}
|
|
}
|
|
|
|
//
|
|
// Start processing
|
|
//
|
|
private void StartEngine(int minThreads, int maxThreads,
|
|
int idleTimeout, ThreadPriority threadPriority,
|
|
int maxScriptQueue, int stackSize)
|
|
{
|
|
m_MaxScriptQueue = maxScriptQueue;
|
|
|
|
STPStartInfo startInfo = new STPStartInfo();
|
|
startInfo.IdleTimeout = idleTimeout;
|
|
startInfo.MaxWorkerThreads = maxThreads;
|
|
startInfo.MinWorkerThreads = minThreads;
|
|
startInfo.ThreadPriority = threadPriority;
|
|
startInfo.StackSize = stackSize;
|
|
startInfo.StartSuspended = true;
|
|
|
|
m_ThreadPool = new SmartThreadPool(startInfo);
|
|
}
|
|
|
|
//
|
|
// Used by script instances to queue event handler jobs
|
|
//
|
|
public IScriptWorkItem QueueEventHandler(object parms)
|
|
{
|
|
return new XWorkItem(m_ThreadPool.QueueWorkItem(
|
|
new WorkItemCallback(this.ProcessEventHandler),
|
|
parms));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Process a previously posted script event.
|
|
/// </summary>
|
|
/// <param name="parms"></param>
|
|
/// <returns></returns>
|
|
private object ProcessEventHandler(object parms)
|
|
{
|
|
CultureInfo USCulture = new CultureInfo("en-US");
|
|
Thread.CurrentThread.CurrentCulture = USCulture;
|
|
|
|
IScriptInstance instance = (ScriptInstance) parms;
|
|
|
|
//m_log.DebugFormat("[XENGINE]: Processing event for {0}", instance);
|
|
|
|
return instance.EventProcessor();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Post event to an entire prim
|
|
/// </summary>
|
|
/// <param name="localID"></param>
|
|
/// <param name="p"></param>
|
|
/// <returns></returns>
|
|
public bool PostObjectEvent(uint localID, EventParams p)
|
|
{
|
|
bool result = false;
|
|
|
|
if (!m_PrimObjects.ContainsKey(localID))
|
|
return false;
|
|
|
|
foreach (UUID itemID in m_PrimObjects[localID])
|
|
{
|
|
if (m_Scripts.ContainsKey(itemID))
|
|
{
|
|
IScriptInstance instance = m_Scripts[itemID];
|
|
if (instance != null)
|
|
{
|
|
instance.PostEvent(p);
|
|
result = true;
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Post an event to a single script
|
|
/// </summary>
|
|
/// <param name="itemID"></param>
|
|
/// <param name="p"></param>
|
|
/// <returns></returns>
|
|
public bool PostScriptEvent(UUID itemID, EventParams p)
|
|
{
|
|
if (m_Scripts.ContainsKey(itemID))
|
|
{
|
|
IScriptInstance instance = m_Scripts[itemID];
|
|
if (instance != null)
|
|
instance.PostEvent(p);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public Assembly OnAssemblyResolve(object sender,
|
|
ResolveEventArgs args)
|
|
{
|
|
if (!(sender is System.AppDomain))
|
|
return null;
|
|
|
|
string[] pathList = new string[] {"bin", "ScriptEngines",
|
|
Path.Combine("ScriptEngines",
|
|
m_Scene.RegionInfo.RegionID.ToString())};
|
|
|
|
string assemblyName = args.Name;
|
|
if (assemblyName.IndexOf(",") != -1)
|
|
assemblyName = args.Name.Substring(0, args.Name.IndexOf(","));
|
|
|
|
foreach (string s in pathList)
|
|
{
|
|
string path = Path.Combine(Directory.GetCurrentDirectory(),
|
|
Path.Combine(s, assemblyName))+".dll";
|
|
|
|
if (File.Exists(path))
|
|
return Assembly.LoadFrom(path);
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
private IScriptInstance GetInstance(UUID itemID)
|
|
{
|
|
IScriptInstance instance;
|
|
lock (m_Scripts)
|
|
{
|
|
if (!m_Scripts.ContainsKey(itemID))
|
|
return null;
|
|
instance = m_Scripts[itemID];
|
|
}
|
|
return instance;
|
|
}
|
|
|
|
public void SetScriptState(UUID itemID, bool running)
|
|
{
|
|
IScriptInstance instance = GetInstance(itemID);
|
|
if (instance != null)
|
|
{
|
|
if (running)
|
|
instance.Start();
|
|
else
|
|
instance.Stop(100);
|
|
}
|
|
}
|
|
|
|
public bool GetScriptState(UUID itemID)
|
|
{
|
|
IScriptInstance instance = GetInstance(itemID);
|
|
if (instance != null)
|
|
return instance.Running;
|
|
return false;
|
|
}
|
|
|
|
public void ApiResetScript(UUID itemID)
|
|
{
|
|
IScriptInstance instance = GetInstance(itemID);
|
|
if (instance != null)
|
|
instance.ApiResetScript();
|
|
}
|
|
|
|
public void ResetScript(UUID itemID)
|
|
{
|
|
IScriptInstance instance = GetInstance(itemID);
|
|
if (instance != null)
|
|
instance.ResetScript();
|
|
}
|
|
|
|
public void StartScript(UUID itemID)
|
|
{
|
|
IScriptInstance instance = GetInstance(itemID);
|
|
if (instance != null)
|
|
instance.Start();
|
|
}
|
|
|
|
public void StopScript(UUID itemID)
|
|
{
|
|
IScriptInstance instance = GetInstance(itemID);
|
|
if (instance != null)
|
|
instance.Stop(0);
|
|
}
|
|
|
|
public DetectParams GetDetectParams(UUID itemID, int idx)
|
|
{
|
|
IScriptInstance instance = GetInstance(itemID);
|
|
if (instance != null)
|
|
return instance.GetDetectParams(idx);
|
|
return null;
|
|
}
|
|
|
|
public UUID GetDetectID(UUID itemID, int idx)
|
|
{
|
|
IScriptInstance instance = GetInstance(itemID);
|
|
if (instance != null)
|
|
return instance.GetDetectID(idx);
|
|
return UUID.Zero;
|
|
}
|
|
|
|
public void SetState(UUID itemID, string newState)
|
|
{
|
|
IScriptInstance instance = GetInstance(itemID);
|
|
if (instance == null)
|
|
return;
|
|
instance.SetState(newState);
|
|
}
|
|
public string GetState(UUID itemID)
|
|
{
|
|
IScriptInstance instance = GetInstance(itemID);
|
|
if (instance == null)
|
|
return "default";
|
|
return instance.State;
|
|
}
|
|
|
|
public int GetStartParameter(UUID itemID)
|
|
{
|
|
IScriptInstance instance = GetInstance(itemID);
|
|
if (instance == null)
|
|
return 0;
|
|
return instance.StartParam;
|
|
}
|
|
|
|
public bool GetScriptRunning(UUID objectID, UUID itemID)
|
|
{
|
|
return GetScriptState(itemID);
|
|
}
|
|
|
|
public void OnShutdown()
|
|
{
|
|
List<IScriptInstance> instances = new List<IScriptInstance>();
|
|
|
|
lock (m_Scripts)
|
|
{
|
|
foreach (IScriptInstance instance in m_Scripts.Values)
|
|
instances.Add(instance);
|
|
}
|
|
|
|
foreach (IScriptInstance i in instances)
|
|
{
|
|
// Stop the script, even forcibly if needed. Then flag
|
|
// it as shutting down and restore the previous run state
|
|
// for serialization, so the scripts don't come back
|
|
// dead after region restart
|
|
//
|
|
bool prevRunning = i.Running;
|
|
i.Stop(50);
|
|
i.ShuttingDown = true;
|
|
i.Running = prevRunning;
|
|
}
|
|
|
|
DoBackup(new Object[] {0});
|
|
}
|
|
|
|
public IScriptApi GetApi(UUID itemID, string name)
|
|
{
|
|
IScriptInstance instance = GetInstance(itemID);
|
|
if (instance == null)
|
|
return null;
|
|
return instance.GetApi(name);
|
|
}
|
|
}
|
|
}
|