1923 lines
73 KiB
C#
1923 lines
73 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 OpenSimulator 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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// based on YEngine from Mike Rieker (Dreamnation) and Melanie Thielker
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// but with several changes to be more cross platform.
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using log4net;
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using Mono.Addins;
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using Nini.Config;
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using OpenSim.Framework;
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using OpenSim.Framework.Console;
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using OpenSim.Framework.Monitoring;
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using OpenSim.Region.ClientStack.Linden;
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using OpenSim.Region.Framework.Interfaces;
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using OpenSim.Region.Framework.Scenes;
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using OpenSim.Region.ScriptEngine.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 OpenMetaverse;
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.IO;
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using System.Reflection;
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using System.Reflection.Emit;
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using System.Text;
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using System.Threading;
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using System.Timers;
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using System.Xml;
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using LSL_Float = OpenSim.Region.ScriptEngine.Shared.LSL_Types.LSLFloat;
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using LSL_Integer = OpenSim.Region.ScriptEngine.Shared.LSL_Types.LSLInteger;
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using LSL_Key = OpenSim.Region.ScriptEngine.Shared.LSL_Types.LSLString;
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using LSL_List = OpenSim.Region.ScriptEngine.Shared.LSL_Types.list;
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using LSL_Rotation = OpenSim.Region.ScriptEngine.Shared.LSL_Types.Quaternion;
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using LSL_String = OpenSim.Region.ScriptEngine.Shared.LSL_Types.LSLString;
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using LSL_Vector = OpenSim.Region.ScriptEngine.Shared.LSL_Types.Vector3;
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[assembly: Addin("YEngine", OpenSim.VersionInfo.VersionNumber)]
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[assembly: AddinDependency("OpenSim.Region.Framework", OpenSim.VersionInfo.VersionNumber)]
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namespace OpenSim.Region.ScriptEngine.Yengine
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{
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[Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "YEngine")]
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public partial class Yengine: INonSharedRegionModule, IScriptEngine,
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IScriptModule
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{
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public static readonly DetectParams[] zeroDetectParams = new DetectParams[0];
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private static ArrayList noScriptErrors = new ArrayList();
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public static readonly ILog m_log =
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LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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private static readonly string[] scriptReferencedAssemblies = new string[0];
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private bool m_LateInit;
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private bool m_TraceCalls;
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public bool m_Verbose;
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public bool m_ScriptDebug;
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public bool m_ScriptDebugSaveSource;
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public bool m_ScriptDebugSaveIL;
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public Scene m_Scene;
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private IConfigSource m_ConfigSource;
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private IConfig m_Config;
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private string m_ScriptBasePath;
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private bool m_Enabled = false;
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public bool m_StartProcessing = false;
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private Dictionary<UUID, ArrayList> m_ScriptErrors =
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new Dictionary<UUID, ArrayList>();
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private Dictionary<UUID, List<UUID>> m_ObjectItemList =
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new Dictionary<UUID, List<UUID>>();
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private Dictionary<UUID, XMRInstance[]> m_ObjectInstArray =
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new Dictionary<UUID, XMRInstance[]>();
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public Dictionary<string, FieldInfo> m_XMRInstanceApiCtxFieldInfos =
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new Dictionary<string, FieldInfo>();
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public int m_StackSize;
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private int m_HeapSize;
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private Thread m_SleepThread = null;
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private bool m_Exiting = false;
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private int m_MaintenanceInterval = 10;
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private System.Timers.Timer m_MaintenanceTimer;
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public int numThreadScriptWorkers;
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private object m_FrameUpdateLock = new object();
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private event ThreadStart m_FrameUpdateList = null;
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// Various instance lists:
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// m_InstancesDict = all known instances
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// find an instance given its itemID
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// m_StartQueue = instances that have just had event queued to them
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// m_YieldQueue = instances that are ready to run right now
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// m_SleepQueue = instances that have m_SleepUntil valid
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// sorted by ascending m_SleepUntil
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private Dictionary<UUID, XMRInstance> m_InstancesDict =
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new Dictionary<UUID, XMRInstance>();
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public Queue<ThreadStart> m_ThunkQueue = new Queue<ThreadStart>();
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public XMRInstQueue m_StartQueue = new XMRInstQueue();
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public XMRInstQueue m_YieldQueue = new XMRInstQueue();
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public XMRInstQueue m_SleepQueue = new XMRInstQueue();
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private string m_LockedDict = "nobody";
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public Yengine()
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{
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}
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public string Name
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{
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get
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{
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return "YEngine";
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}
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}
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public Type ReplaceableInterface
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{
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get
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{
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return null;
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}
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}
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public string ScriptEnginePath
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{
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get
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{
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return m_ScriptBasePath;
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}
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}
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public string ScriptClassName
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{
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get
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{
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return "YEngineScript";
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}
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}
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public string ScriptBaseClassName
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{
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get
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{
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return typeof(XMRInstance).FullName;
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}
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}
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public ParameterInfo[] ScriptBaseClassParameters
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{
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get
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{
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return typeof(XMRInstance).GetConstructor(new Type[] { typeof(WaitHandle) }).GetParameters();
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}
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}
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public string[] ScriptReferencedAssemblies
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{
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get
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{
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return scriptReferencedAssemblies;
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}
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}
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public void Initialise(IConfigSource config)
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{
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TraceCalls("[YEngine]: Initialize entry");
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m_ConfigSource = config;
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////foreach (IConfig icfg in config.Configs) {
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//// m_log.Debug("[YEngine]: Initialise: configs[" + icfg.Name + "]");
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//// foreach (string key in icfg.GetKeys ()) {
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//// m_log.Debug("[YEngine]: Initialise: " + key + "=" + icfg.GetExpanded (key));
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//// }
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////}
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m_Enabled = false;
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m_Config = config.Configs["YEngine"];
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if(m_Config == null)
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{
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m_log.Info("[YEngine]: no config, assuming disabled");
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return;
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}
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m_Enabled = m_Config.GetBoolean("Enabled", false);
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m_log.InfoFormat("[YEngine]: config enabled={0}", m_Enabled);
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if(!m_Enabled)
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return;
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numThreadScriptWorkers = m_Config.GetInt("NumThreadScriptWorkers", 1);
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m_TraceCalls = m_Config.GetBoolean("TraceCalls", false);
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m_Verbose = m_Config.GetBoolean("Verbose", false);
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m_ScriptDebug = m_Config.GetBoolean("ScriptDebug", false);
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m_ScriptDebugSaveSource = m_Config.GetBoolean("ScriptDebugSaveSource", false);
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m_ScriptDebugSaveIL = m_Config.GetBoolean("ScriptDebugSaveIL", false);
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m_StackSize = m_Config.GetInt("ScriptStackSize", 2048) << 10;
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m_HeapSize = m_Config.GetInt("ScriptHeapSize", 1024) << 10;
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// Verify that our ScriptEventCode's match OpenSim's scriptEvent's.
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bool err = false;
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for(int i = 0; i < 32; i++)
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{
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string mycode = "undefined";
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string oscode = "undefined";
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try
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{
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mycode = ((ScriptEventCode)i).ToString();
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Convert.ToInt32(mycode);
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mycode = "undefined";
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}
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catch { }
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try
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{
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oscode = ((OpenSim.Region.Framework.Scenes.scriptEvents)(1 << i)).ToString();
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Convert.ToInt32(oscode);
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oscode = "undefined";
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}
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catch { }
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if(mycode != oscode)
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{
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m_log.ErrorFormat("[YEngine]: {0} mycode={1}, oscode={2}", i, mycode, oscode);
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err = true;
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}
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}
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if(err)
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{
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m_Enabled = false;
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return;
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}
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m_SleepThread = StartMyThread(RunSleepThread, "Yengine sleep", ThreadPriority.Normal);
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for(int i = 0; i < numThreadScriptWorkers; i++)
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StartThreadWorker(i);
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m_log.InfoFormat("[YEngine]: Enabled, {0}.{1} Meg (0x{2}) stacks",
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(m_StackSize >> 20).ToString(),
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(((m_StackSize % 0x100000) * 1000)
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>> 20).ToString("D3"),
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m_StackSize.ToString("X"));
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m_log.InfoFormat("[YEngine]: ... {0}.{1} Meg (0x{2}) heaps",
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(m_HeapSize >> 20).ToString(),
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(((m_HeapSize % 0x100000) * 1000)
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>> 20).ToString("D3"),
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m_HeapSize.ToString("X"));
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m_MaintenanceInterval = m_Config.GetInt("MaintenanceInterval", 10);
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if(m_MaintenanceInterval > 0)
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{
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m_MaintenanceTimer = new System.Timers.Timer(m_MaintenanceInterval * 60000);
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m_MaintenanceTimer.Elapsed += DoMaintenance;
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m_MaintenanceTimer.Start();
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}
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MainConsole.Instance.Commands.AddCommand("yeng", false,
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"yeng",
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"yeng [...|help|...] ...",
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"Run YEngine script engine commands",
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RunTest);
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TraceCalls("[YEngine]: Initialize successful");
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}
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public void AddRegion(Scene scene)
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{
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if(!m_Enabled)
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return;
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TraceCalls("[YEngine]: YEngine.AddRegion({0})", scene.RegionInfo.RegionName);
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m_Scene = scene;
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m_Scene.RegisterModuleInterface<IScriptModule>(this);
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m_ScriptBasePath = m_Config.GetString("ScriptBasePath", "ScriptEngines");
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m_ScriptBasePath = Path.Combine(m_ScriptBasePath, "Yengine");
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m_ScriptBasePath = Path.Combine(m_ScriptBasePath, scene.RegionInfo.RegionID.ToString());
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Directory.CreateDirectory(m_ScriptBasePath);
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m_Scene.EventManager.OnRezScript += OnRezScript;
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m_Scene.StackModuleInterface<IScriptModule>(this);
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}
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private void OneTimeLateInitialization()
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{
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// Build list of defined APIs and their 'this' types and define a field in XMRInstanceSuperType.
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ApiManager am = new ApiManager();
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Dictionary<string, Type> apiCtxTypes = new Dictionary<string, Type>();
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foreach(string api in am.GetApis())
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{
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m_log.Debug("[YEngine]: adding api " + api);
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IScriptApi scriptApi = am.CreateApi(api);
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Type apiCtxType = scriptApi.GetType();
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if(api == "LSL")
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apiCtxType = typeof(XMRLSL_Api);
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apiCtxTypes[api] = apiCtxType;
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}
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if(ScriptCodeGen.xmrInstSuperType == null) // Only create type once!
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{
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// Start creating type XMRInstanceSuperType that contains a field
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// m_ApiManager_<APINAME> that points to the per-instance context
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// struct for that API, ie, the 'this' value passed to all methods
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// in that API. It is in essence:
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// public class XMRInstanceSuperType : XMRInstance {
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// public XMRLSL_Api m_ApiManager_LSL; // 'this' value for all ll...() functions
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// public MOD_Api m_ApiManager_MOD; // 'this' value for all mod...() functions
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// public OSSL_Api m_ApiManager_OSSL; // 'this' value for all os...() functions
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// ....
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// }
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AssemblyName assemblyName = new AssemblyName();
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assemblyName.Name = "XMRInstanceSuperAssembly";
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AssemblyBuilder assemblyBuilder = Thread.GetDomain().DefineDynamicAssembly(assemblyName, AssemblyBuilderAccess.Run);
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ModuleBuilder moduleBuilder = assemblyBuilder.DefineDynamicModule("XMRInstanceSuperModule");
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TypeBuilder typeBuilder = moduleBuilder.DefineType("XMRInstanceSuperType", TypeAttributes.Public | TypeAttributes.Class);
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typeBuilder.SetParent(typeof(XMRInstance));
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foreach(string apiname in apiCtxTypes.Keys)
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{
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string fieldName = "m_ApiManager_" + apiname;
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typeBuilder.DefineField(fieldName, apiCtxTypes[apiname], FieldAttributes.Public);
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}
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// Finalize definition of XMRInstanceSuperType.
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// Give the compiler a short name to reference it by,
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// otherwise it will try to use the AssemblyQualifiedName
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// and fail miserably.
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ScriptCodeGen.xmrInstSuperType = typeBuilder.CreateType();
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ScriptObjWriter.DefineInternalType("xmrsuper", ScriptCodeGen.xmrInstSuperType);
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}
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// Tell the compiler about all the constants and methods for each API.
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// We also tell the compiler how to get the per-instance context for each API
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// by reading the corresponding m_ApiManager_<APINAME> field of XMRInstanceSuperType.
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foreach(KeyValuePair<string, Type> kvp in apiCtxTypes)
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{
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// get API name and the corresponding per-instance context type
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string api = kvp.Key;
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Type apiCtxType = kvp.Value;
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// give script compiler an abbreviated name for the API context type
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ScriptObjWriter.DefineInternalType("apimanager_" + api, apiCtxType);
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// this field tells the compiled code where the per-instance API context object is
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// eg, for the OSSL API, it is in ((XMRInstanceSuperType)inst).m_ApiManager_OSSL
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string fieldName = "m_ApiManager_" + api;
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FieldInfo fieldInfo = ScriptCodeGen.xmrInstSuperType.GetField(fieldName);
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m_XMRInstanceApiCtxFieldInfos[api] = fieldInfo;
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// now tell the compiler about the constants and methods for the API
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ScriptConst.AddInterfaceConstants(null, apiCtxType.GetFields());
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TokenDeclInline.AddInterfaceMethods(null, apiCtxType.GetMethods(), fieldInfo);
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}
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// Add sim-specific APIs to the compiler.
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IScriptModuleComms comms = m_Scene.RequestModuleInterface<IScriptModuleComms>();
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if(comms != null)
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{
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// Add methods to list of built-in functions.
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Delegate[] methods = comms.GetScriptInvocationList();
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foreach(Delegate m in methods)
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{
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MethodInfo mi = m.Method;
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try
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{
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CommsCallCodeGen cccg = new CommsCallCodeGen(mi, comms, m_XMRInstanceApiCtxFieldInfos["MOD"]);
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Verbose("[YEngine]: added comms function " + cccg.fullName);
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}
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catch(Exception e)
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{
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m_log.Error("[YEngine]: failed to add comms function " + mi.Name);
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m_log.Error("[YEngine]: - " + e.ToString());
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}
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}
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// Add constants to list of built-in constants.
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Dictionary<string, object> consts = comms.GetConstants();
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foreach(KeyValuePair<string, object> kvp in consts)
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{
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try
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{
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ScriptConst sc = ScriptConst.AddConstant(kvp.Key, kvp.Value);
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Verbose("[YEngine]: added comms constant " + sc.name);
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}
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catch(Exception e)
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{
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m_log.Error("[YEngine]: failed to add comms constant " + kvp.Key);
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m_log.Error("[YEngine]: - " + e.Message);
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}
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}
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}
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else
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{
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Verbose("[YEngine]: comms not enabled");
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}
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}
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/**
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* @brief Generate code for the calls to the comms functions.
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* It is a tRUlY EvIL interface.
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* To call the function we must call an XMRInstanceSuperType.m_ApiManager_MOD.modInvoker?()
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* method passing it the name of the function as a string and the script
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* argument list wrapped up in an object[] array. The modInvoker?() methods
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* do some sick type conversions (with corresponding mallocs) so we can't
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* call the methods directly.
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*/
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private class CommsCallCodeGen: TokenDeclInline
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{
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private static Type[] modInvokerArgTypes = new Type[] { typeof(string), typeof(object[]) };
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public static FieldInfo xmrInstModApiCtxField;
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private MethodInfo modInvokerMeth;
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private string methName;
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/**
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* @brief Constructor
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* @param mi = method to make available to scripts
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* mi.Name = name that is used by scripts
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* mi.GetParameters() = parameter list as defined by module
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* includes the 'UUID host','UUID script' parameters that script does not see
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* allowed types for script-visible parameters are as follows:
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* Single -> float
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* Int32 -> integer
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* OpenMetaverse.UUID -> key
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* Object[] -> list
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* OpenMetaverse.Quaternion -> rotation
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* String -> string
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* OpenMetaverse.Vector3 -> vector
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* mi.ReturnType = return type as defined by module
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* types are same as allowed for parameters
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* @param comms = comms module the method came from
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* @param apictxfi = what field in XMRInstanceSuperType the 'this' value is for this method
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*/
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public CommsCallCodeGen(MethodInfo mi, IScriptModuleComms comms, FieldInfo apictxfi)
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: base(null, false, NameArgSig(mi), RetType(mi))
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{
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methName = mi.Name;
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string modInvokerName = comms.LookupModInvocation(methName);
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if(modInvokerName == null)
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throw new Exception("cannot find comms method " + methName);
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modInvokerMeth = typeof(MOD_Api).GetMethod(modInvokerName, modInvokerArgTypes);
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xmrInstModApiCtxField = apictxfi;
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}
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// script-visible name(argtype,...) signature string
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private static string NameArgSig(MethodInfo mi)
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{
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StringBuilder sb = new StringBuilder();
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sb.Append(mi.Name);
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sb.Append('(');
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ParameterInfo[] mps = mi.GetParameters();
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for(int i = 2; i < mps.Length; i++)
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{
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ParameterInfo pi = mps[i];
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if(i > 2)
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sb.Append(',');
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sb.Append(ParamType(pi.ParameterType));
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}
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sb.Append(')');
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return sb.ToString();
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}
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// script-visible return type
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// note that although we support void, the comms stuff does not
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private static TokenType RetType(MethodInfo mi)
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{
|
|
Type rt = mi.ReturnType;
|
|
if(rt == typeof(float))
|
|
return new TokenTypeFloat(null);
|
|
if(rt == typeof(int))
|
|
return new TokenTypeInt(null);
|
|
if(rt == typeof(object[]))
|
|
return new TokenTypeList(null);
|
|
if(rt == typeof(OpenMetaverse.UUID))
|
|
return new TokenTypeKey(null);
|
|
if(rt == typeof(OpenMetaverse.Quaternion))
|
|
return new TokenTypeRot(null);
|
|
if(rt == typeof(string))
|
|
return new TokenTypeStr(null);
|
|
if(rt == typeof(OpenMetaverse.Vector3))
|
|
return new TokenTypeVec(null);
|
|
if(rt == null || rt == typeof(void))
|
|
return new TokenTypeVoid(null);
|
|
throw new Exception("unsupported return type " + rt.Name);
|
|
}
|
|
|
|
// script-visible parameter type
|
|
private static string ParamType(Type t)
|
|
{
|
|
if(t == typeof(float))
|
|
return "float";
|
|
if(t == typeof(int))
|
|
return "integer";
|
|
if(t == typeof(OpenMetaverse.UUID))
|
|
return "key";
|
|
if(t == typeof(object[]))
|
|
return "list";
|
|
if(t == typeof(OpenMetaverse.Quaternion))
|
|
return "rotation";
|
|
if(t == typeof(string))
|
|
return "string";
|
|
if(t == typeof(OpenMetaverse.Vector3))
|
|
return "vector";
|
|
throw new Exception("unsupported parameter type " + t.Name);
|
|
}
|
|
|
|
/**
|
|
* @brief Called by the compiler to generate a call to the comms function.
|
|
* @param scg = which script is being compiled
|
|
* @param errorAt = where in the source code the call is being made (for error messages)
|
|
* @param result = a temp location to put the return value in if any
|
|
* @param args = array of script-visible arguments being passed to the function
|
|
*/
|
|
public override void CodeGen(ScriptCodeGen scg, Token errorAt, CompValuTemp result, CompValu[] args)
|
|
{
|
|
// Set up 'this' pointer for modInvoker?() = value from ApiManager.CreateApi("MOD").
|
|
scg.PushXMRInst();
|
|
scg.ilGen.Emit(errorAt, OpCodes.Castclass, xmrInstModApiCtxField.DeclaringType);
|
|
scg.ilGen.Emit(errorAt, OpCodes.Ldfld, xmrInstModApiCtxField);
|
|
|
|
// Set up 'fname' argument to modInvoker?() = name of the function to be called.
|
|
scg.ilGen.Emit(errorAt, OpCodes.Ldstr, methName);
|
|
|
|
// Set up 'parms' argument to modInvoker?() = object[] of the script-visible parameters,
|
|
// in their LSL-wrapped form. Of course, the modInvoker?() method will malloc yet another
|
|
// object[] and type-convert these parameters one-by-one with another round of unwrapping
|
|
// and wrapping.
|
|
// Types allowed in this object[]:
|
|
// LSL_Float, LSL_Integer, LSL_Key, LSL_List, LSL_Rotation, LSL_String, LSL_Vector
|
|
int nargs = args.Length;
|
|
scg.ilGen.Emit(errorAt, OpCodes.Ldc_I4, nargs);
|
|
scg.ilGen.Emit(errorAt, OpCodes.Newarr, typeof(object));
|
|
|
|
for(int i = 0; i < nargs; i++)
|
|
{
|
|
scg.ilGen.Emit(errorAt, OpCodes.Dup);
|
|
scg.ilGen.Emit(errorAt, OpCodes.Ldc_I4, i);
|
|
|
|
// get location and type of argument
|
|
CompValu arg = args[i];
|
|
TokenType argtype = arg.type;
|
|
|
|
// if already in a form acceptable to modInvoker?(),
|
|
// just push it to the stack and convert to object
|
|
// by boxing it if necessary
|
|
|
|
// but if something like a double, int, string, etc
|
|
// push to stack converting to the LSL-wrapped type
|
|
// then convert to object by boxing if necessary
|
|
|
|
Type boxit = null;
|
|
if(argtype is TokenTypeLSLFloat)
|
|
{
|
|
args[i].PushVal(scg, errorAt);
|
|
boxit = typeof(LSL_Float);
|
|
}
|
|
else if(argtype is TokenTypeLSLInt)
|
|
{
|
|
args[i].PushVal(scg, errorAt);
|
|
boxit = typeof(LSL_Integer);
|
|
}
|
|
else if(argtype is TokenTypeLSLKey)
|
|
{
|
|
args[i].PushVal(scg, errorAt);
|
|
boxit = typeof(LSL_Key);
|
|
}
|
|
else if(argtype is TokenTypeList)
|
|
{
|
|
args[i].PushVal(scg, errorAt);
|
|
boxit = typeof(LSL_List);
|
|
}
|
|
else if(argtype is TokenTypeRot)
|
|
{
|
|
args[i].PushVal(scg, errorAt);
|
|
boxit = typeof(LSL_Rotation);
|
|
}
|
|
else if(argtype is TokenTypeLSLString)
|
|
{
|
|
args[i].PushVal(scg, errorAt);
|
|
boxit = typeof(LSL_String);
|
|
}
|
|
else if(argtype is TokenTypeVec)
|
|
{
|
|
args[i].PushVal(scg, errorAt);
|
|
boxit = typeof(LSL_Vector);
|
|
}
|
|
else if(argtype is TokenTypeFloat)
|
|
{
|
|
args[i].PushVal(scg, errorAt, new TokenTypeLSLFloat(argtype));
|
|
boxit = typeof(LSL_Float);
|
|
}
|
|
else if(argtype is TokenTypeInt)
|
|
{
|
|
args[i].PushVal(scg, errorAt, new TokenTypeLSLInt(argtype));
|
|
boxit = typeof(LSL_Integer);
|
|
}
|
|
else if(argtype is TokenTypeKey)
|
|
{
|
|
args[i].PushVal(scg, errorAt, new TokenTypeLSLKey(argtype));
|
|
boxit = typeof(LSL_Key);
|
|
}
|
|
else if(argtype is TokenTypeStr)
|
|
{
|
|
args[i].PushVal(scg, errorAt, new TokenTypeLSLString(argtype));
|
|
boxit = typeof(LSL_String);
|
|
}
|
|
else
|
|
throw new Exception("unsupported arg type " + argtype.GetType().Name);
|
|
|
|
if(boxit.IsValueType)
|
|
scg.ilGen.Emit(errorAt, OpCodes.Box, boxit);
|
|
|
|
// pop the object into the object[]
|
|
scg.ilGen.Emit(errorAt, OpCodes.Stelem, typeof(object));
|
|
}
|
|
|
|
// Call the modInvoker?() method.
|
|
// It leaves an LSL-wrapped type on the stack.
|
|
if(modInvokerMeth.IsVirtual)
|
|
scg.ilGen.Emit(errorAt, OpCodes.Callvirt, modInvokerMeth);
|
|
else
|
|
scg.ilGen.Emit(errorAt, OpCodes.Call, modInvokerMeth);
|
|
|
|
|
|
// The 3rd arg to Pop() is the type on the stack,
|
|
// ie, what modInvoker?() actually returns.
|
|
// The Pop() method will wrap/unwrap as needed.
|
|
Type retSysType = modInvokerMeth.ReturnType;
|
|
if(retSysType == null)
|
|
retSysType = typeof(void);
|
|
TokenType retTokType = TokenType.FromSysType(errorAt, retSysType);
|
|
result.Pop(scg, errorAt, retTokType);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Called late in shutdown procedure,
|
|
* after the 'Shutting down..." message.
|
|
*/
|
|
public void RemoveRegion(Scene scene)
|
|
{
|
|
if(!m_Enabled)
|
|
return;
|
|
|
|
TraceCalls("[YEngine]: YEngine.RemoveRegion({0})", scene.RegionInfo.RegionName);
|
|
|
|
if(m_MaintenanceTimer != null)
|
|
{
|
|
m_MaintenanceTimer.Stop();
|
|
m_MaintenanceTimer.Dispose();
|
|
}
|
|
|
|
// Write script states out to .state files so it will be
|
|
// available when the region is restarted.
|
|
DoMaintenance(null, null);
|
|
|
|
// Stop executing script threads and wait for final
|
|
// one to finish (ie, script gets to CheckRun() call).
|
|
m_Exiting = true;
|
|
if(m_SleepThread != null)
|
|
{
|
|
lock(m_SleepQueue)
|
|
Monitor.PulseAll(m_SleepQueue);
|
|
|
|
if(!m_SleepThread.Join(250))
|
|
m_SleepThread.Abort();
|
|
m_SleepThread = null;
|
|
}
|
|
|
|
StopThreadWorkers();
|
|
|
|
m_Scene.EventManager.OnFrame -= OnFrame;
|
|
m_Scene.EventManager.OnRezScript -= OnRezScript;
|
|
m_Scene.EventManager.OnRemoveScript -= OnRemoveScript;
|
|
m_Scene.EventManager.OnScriptReset -= OnScriptReset;
|
|
m_Scene.EventManager.OnStartScript -= OnStartScript;
|
|
m_Scene.EventManager.OnStopScript -= OnStopScript;
|
|
m_Scene.EventManager.OnGetScriptRunning -= OnGetScriptRunning;
|
|
m_Scene.EventManager.OnShutdown -= OnShutdown;
|
|
|
|
m_Enabled = false;
|
|
m_Scene = null;
|
|
}
|
|
|
|
public void RegionLoaded(Scene scene)
|
|
{
|
|
if(!m_Enabled)
|
|
return;
|
|
|
|
TraceCalls("[YEngine]: YEngine.RegionLoaded({0})", scene.RegionInfo.RegionName);
|
|
|
|
m_Scene.EventManager.OnFrame += OnFrame;
|
|
m_Scene.EventManager.OnRemoveScript += OnRemoveScript;
|
|
m_Scene.EventManager.OnScriptReset += OnScriptReset;
|
|
m_Scene.EventManager.OnStartScript += OnStartScript;
|
|
m_Scene.EventManager.OnStopScript += OnStopScript;
|
|
m_Scene.EventManager.OnGetScriptRunning += OnGetScriptRunning;
|
|
m_Scene.EventManager.OnShutdown += OnShutdown;
|
|
|
|
InitEvents();
|
|
}
|
|
|
|
public void StartProcessing()
|
|
{
|
|
m_log.Debug("[YEngine]: StartProcessing entry");
|
|
m_StartProcessing = true;
|
|
ResumeThreads();
|
|
m_log.Debug("[YEngine]: StartProcessing return");
|
|
m_Scene.EventManager.TriggerEmptyScriptCompileQueue(0, "");
|
|
}
|
|
|
|
public void Close()
|
|
{
|
|
TraceCalls("[YEngine]: YEngine.Close()");
|
|
}
|
|
|
|
private void RunTest(string module, string[] args)
|
|
{
|
|
if(args.Length < 2)
|
|
{
|
|
m_log.Info("[YEngine]: missing command, try 'yeng help'");
|
|
return;
|
|
}
|
|
|
|
m_log.Info("[YEngine]: " + m_Scene.RegionInfo.RegionName);
|
|
|
|
switch(args[1])
|
|
{
|
|
case "cvv":
|
|
m_log.InfoFormat("[YEngine]: compiled version value = {0}",
|
|
ScriptCodeGen.COMPILED_VERSION_VALUE);
|
|
break;
|
|
|
|
case "help":
|
|
case "?":
|
|
m_log.Info("[YEngine]: yeng reset [-help ...]");
|
|
m_log.Info("[YEngine]: yeng resume - resume script processing");
|
|
m_log.Info("[YEngine]: yeng suspend - suspend script processing");
|
|
m_log.Info("[YEngine]: yeng ls [-help ...]");
|
|
m_log.Info("[YEngine]: yeng cvv - show compiler version value");
|
|
m_log.Info("[YEngine]: yeng mvv [<newvalue>] - show migration version value");
|
|
m_log.Info("[YEngine]: yeng tracecalls [yes | no]");
|
|
m_log.Info("[YEngine]: yeng verbose [yes | no]");
|
|
m_log.Info("[YEngine]: yeng pev [-help ...] - post event");
|
|
break;
|
|
|
|
case "ls":
|
|
XmrTestLs(args, 2);
|
|
break;
|
|
|
|
case "mvv":
|
|
m_log.InfoFormat("[YEngine]: migration version value = {0}",
|
|
XMRInstance.migrationVersion);
|
|
break;
|
|
|
|
case "pev":
|
|
XmrTestPev(args, 2);
|
|
break;
|
|
|
|
case "reset":
|
|
XmrTestReset(args, 2);
|
|
break;
|
|
|
|
case "resume":
|
|
m_log.Info("[YEngine]: resuming scripts");
|
|
ResumeThreads();
|
|
break;
|
|
|
|
case "suspend":
|
|
m_log.Info("[YEngine]: suspending scripts");
|
|
SuspendThreads();
|
|
break;
|
|
|
|
case "tracecalls":
|
|
if(args.Length > 2)
|
|
m_TraceCalls = (args[2][0] & 1) != 0;
|
|
m_log.Info("[YEngine]: tracecalls " + (m_TraceCalls ? "yes" : "no"));
|
|
break;
|
|
|
|
case "verbose":
|
|
if(args.Length > 2)
|
|
m_Verbose = (args[2][0] & 1) != 0;
|
|
m_log.Info("[YEngine]: verbose " + (m_Verbose ? "yes" : "no"));
|
|
break;
|
|
|
|
default:
|
|
m_log.Error("[YEngine]: unknown command " + args[1] + ", try 'yeng help'");
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Not required when not using IScriptInstance
|
|
//
|
|
public IScriptWorkItem QueueEventHandler(object parms)
|
|
{
|
|
return null;
|
|
}
|
|
|
|
public Scene World
|
|
{
|
|
get
|
|
{
|
|
return m_Scene;
|
|
}
|
|
}
|
|
|
|
public IScriptModule ScriptModule
|
|
{
|
|
get
|
|
{
|
|
return this;
|
|
}
|
|
}
|
|
|
|
public void SaveAllState()
|
|
{
|
|
m_log.Error("[YEngine]: YEngine.SaveAllState() called!!");
|
|
}
|
|
|
|
#pragma warning disable 0067
|
|
public event ScriptRemoved OnScriptRemoved;
|
|
public event ObjectRemoved OnObjectRemoved;
|
|
#pragma warning restore 0067
|
|
|
|
// Events targeted at a specific script
|
|
// ... like listen() for an llListen() call
|
|
//
|
|
public bool PostScriptEvent(UUID itemID, EventParams parms)
|
|
{
|
|
XMRInstance instance = GetInstance(itemID);
|
|
if(instance == null)
|
|
return false;
|
|
|
|
TraceCalls("[YEngine]: YEngine.PostScriptEvent({0},{1})", itemID.ToString(), parms.EventName);
|
|
|
|
instance.PostEvent(parms);
|
|
return true;
|
|
}
|
|
|
|
// Events targeted at all scripts in the given prim.
|
|
// localID = which prim
|
|
// parms = event to post
|
|
//
|
|
public bool PostObjectEvent(uint localID, EventParams parms)
|
|
{
|
|
SceneObjectPart part = m_Scene.GetSceneObjectPart(localID);
|
|
|
|
if(part == null)
|
|
return false;
|
|
|
|
TraceCalls("[YEngine]: YEngine.PostObjectEvent({0},{1})", localID.ToString(), parms.EventName);
|
|
|
|
// In SecondLife, attach events go to all scripts of all prims
|
|
// in a linked object. So here we duplicate that functionality,
|
|
// as all we ever get is a single attach event for the whole
|
|
// object.
|
|
if(parms.EventName == "attach")
|
|
{
|
|
bool posted = false;
|
|
foreach(SceneObjectPart primpart in part.ParentGroup.Parts)
|
|
posted |= PostPrimEvent(primpart, parms);
|
|
|
|
return posted;
|
|
}
|
|
|
|
// Other events go to just the scripts in that prim.
|
|
return PostPrimEvent(part, parms);
|
|
}
|
|
|
|
private bool PostPrimEvent(SceneObjectPart part, EventParams parms)
|
|
{
|
|
UUID partUUID = part.UUID;
|
|
|
|
// Get list of script instances running in the object.
|
|
XMRInstance[] objInstArray;
|
|
lock(m_InstancesDict)
|
|
{
|
|
if(!m_ObjectInstArray.TryGetValue(partUUID, out objInstArray))
|
|
return false;
|
|
|
|
if(objInstArray == null)
|
|
{
|
|
objInstArray = RebuildObjectInstArray(partUUID);
|
|
m_ObjectInstArray[partUUID] = objInstArray;
|
|
}
|
|
}
|
|
|
|
// Post event to all script instances in the object.
|
|
if(objInstArray.Length <= 0)
|
|
return false;
|
|
foreach(XMRInstance inst in objInstArray)
|
|
inst.PostEvent(parms);
|
|
|
|
return true;
|
|
}
|
|
|
|
public DetectParams GetDetectParams(UUID itemID, int number)
|
|
{
|
|
XMRInstance instance = GetInstance(itemID);
|
|
if(instance == null)
|
|
return null;
|
|
return instance.GetDetectParams(number);
|
|
}
|
|
|
|
public void SetMinEventDelay(UUID itemID, double delay)
|
|
{
|
|
XMRInstance instance = GetInstance(itemID);
|
|
if (instance != null)
|
|
instance.MinEventDelay = delay;
|
|
}
|
|
|
|
public int GetStartParameter(UUID itemID)
|
|
{
|
|
XMRInstance instance = GetInstance(itemID);
|
|
if (instance == null)
|
|
return 0;
|
|
return instance.StartParam;
|
|
}
|
|
|
|
// This is the "set running" method
|
|
//
|
|
public void SetScriptState(UUID itemID, bool state, bool self)
|
|
{
|
|
SetScriptState(itemID, state);
|
|
}
|
|
public void SetScriptState(UUID itemID, bool state)
|
|
{
|
|
XMRInstance instance = GetInstance(itemID);
|
|
if(instance != null)
|
|
instance.Running = state;
|
|
}
|
|
|
|
// Control display of the "running" checkbox
|
|
//
|
|
public bool GetScriptState(UUID itemID)
|
|
{
|
|
XMRInstance instance = GetInstance(itemID);
|
|
if(instance == null)
|
|
return false;
|
|
return instance.Running;
|
|
}
|
|
|
|
public void SetState(UUID itemID, string newState)
|
|
{
|
|
TraceCalls("[YEngine]: YEngine.SetState({0},{1})", itemID.ToString(), newState);
|
|
}
|
|
|
|
public void ApiResetScript(UUID itemID)
|
|
{
|
|
XMRInstance instance = GetInstance(itemID);
|
|
if(instance != null)
|
|
instance.ApiReset();
|
|
}
|
|
|
|
public void ResetScript(UUID itemID)
|
|
{
|
|
XMRInstance instance = GetInstance(itemID);
|
|
if(instance != null)
|
|
{
|
|
IUrlModule urlModule = m_Scene.RequestModuleInterface<IUrlModule>();
|
|
if(urlModule != null)
|
|
urlModule.ScriptRemoved(itemID);
|
|
|
|
instance.Reset();
|
|
}
|
|
}
|
|
|
|
public IConfig Config
|
|
{
|
|
get
|
|
{
|
|
return m_Config;
|
|
}
|
|
}
|
|
|
|
public IConfigSource ConfigSource
|
|
{
|
|
get
|
|
{
|
|
return m_ConfigSource;
|
|
}
|
|
}
|
|
|
|
public string ScriptEngineName
|
|
{
|
|
get
|
|
{
|
|
return "YEngine";
|
|
}
|
|
}
|
|
|
|
public IScriptApi GetApi(UUID itemID, string name)
|
|
{
|
|
FieldInfo fi;
|
|
if(!m_XMRInstanceApiCtxFieldInfos.TryGetValue(name, out fi))
|
|
return null;
|
|
XMRInstance inst = GetInstance(itemID);
|
|
if(inst == null)
|
|
return null;
|
|
return (IScriptApi)fi.GetValue(inst);
|
|
}
|
|
|
|
/**
|
|
* @brief Get script's current state as an XML string
|
|
* - called by "Take", "Take Copy" and when object deleted (ie, moved to Trash)
|
|
* This includes the .state file
|
|
*/
|
|
public string GetXMLState(UUID itemID)
|
|
{
|
|
XMRInstance instance = GetInstance(itemID);
|
|
if(instance == null)
|
|
return String.Empty;
|
|
|
|
TraceCalls("[YEngine]: YEngine.GetXMLState({0})", itemID.ToString());
|
|
|
|
if(!instance.m_HasRun)
|
|
return String.Empty;
|
|
|
|
XmlDocument doc = new XmlDocument();
|
|
|
|
/*
|
|
* Set up <State Engine="YEngine" UUID="itemID" Asset="assetID"> tag.
|
|
*/
|
|
XmlElement stateN = doc.CreateElement("", "State", "");
|
|
doc.AppendChild(stateN);
|
|
|
|
XmlAttribute engineA = doc.CreateAttribute("", "Engine", "");
|
|
engineA.Value = ScriptEngineName;
|
|
stateN.Attributes.Append(engineA);
|
|
|
|
XmlAttribute uuidA = doc.CreateAttribute("", "UUID", "");
|
|
uuidA.Value = itemID.ToString();
|
|
stateN.Attributes.Append(uuidA);
|
|
|
|
XmlAttribute assetA = doc.CreateAttribute("", "Asset", "");
|
|
string assetID = instance.AssetID.ToString();
|
|
assetA.Value = assetID;
|
|
stateN.Attributes.Append(assetA);
|
|
|
|
// Get <ScriptState>...</ScriptState> item that hold's script's state.
|
|
// This suspends the script if necessary then takes a snapshot.
|
|
XmlElement scriptStateN = instance.GetExecutionState(doc);
|
|
stateN.AppendChild(scriptStateN);
|
|
|
|
return doc.OuterXml;
|
|
}
|
|
|
|
// Set script's current state from an XML string
|
|
// - called just before a script is instantiated
|
|
// So we write the .state file so the .state file will be seen when
|
|
// the script is instantiated.
|
|
public bool SetXMLState(UUID itemID, string xml)
|
|
{
|
|
XmlDocument doc = new XmlDocument();
|
|
|
|
try
|
|
{
|
|
doc.LoadXml(xml);
|
|
}
|
|
catch
|
|
{
|
|
return false;
|
|
}
|
|
TraceCalls("[YEngine]: YEngine.SetXMLState({0})", itemID.ToString());
|
|
|
|
// Make sure <State Engine="YEngine"> so we know it is in our
|
|
// format.
|
|
XmlElement stateN = (XmlElement)doc.SelectSingleNode("State");
|
|
if(stateN == null)
|
|
return false;
|
|
|
|
bool isX = false;
|
|
string sen = stateN.GetAttribute("Engine");
|
|
if (sen == null)
|
|
return false;
|
|
if (sen != ScriptEngineName)
|
|
{
|
|
if(sen != "XEngine")
|
|
return false;
|
|
isX = true;
|
|
}
|
|
// <ScriptState>...</ScriptState> contains contents of .state file.
|
|
XmlElement scriptStateN = (XmlElement)stateN.SelectSingleNode("ScriptState");
|
|
if(scriptStateN == null)
|
|
return false;
|
|
|
|
if(!isX)
|
|
{
|
|
sen = stateN.GetAttribute("Engine");
|
|
if ((sen == null) || (sen != ScriptEngineName))
|
|
return false;
|
|
}
|
|
|
|
XmlAttribute assetA = doc.CreateAttribute("", "Asset", "");
|
|
assetA.Value = stateN.GetAttribute("Asset");
|
|
scriptStateN.Attributes.Append(assetA);
|
|
|
|
// Write out the .state file with the <ScriptState ...>...</ScriptState> XML text
|
|
string statePath = XMRInstance.GetStateFileName(m_ScriptBasePath, itemID);
|
|
using (FileStream ss = File.Create(statePath))
|
|
{
|
|
using (StreamWriter sw = new StreamWriter(ss))
|
|
sw.Write(scriptStateN.OuterXml);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
public bool PostScriptEvent(UUID itemID, string name, Object[] p)
|
|
{
|
|
if(!m_Enabled)
|
|
return false;
|
|
|
|
TraceCalls("[YEngine]: YEngine.PostScriptEvent({0},{1})", itemID.ToString(), name);
|
|
|
|
return PostScriptEvent(itemID, new EventParams(name, p, zeroDetectParams));
|
|
}
|
|
|
|
public bool PostObjectEvent(UUID itemID, string name, Object[] p)
|
|
{
|
|
if(!m_Enabled)
|
|
return false;
|
|
|
|
TraceCalls("[YEngine]: YEngine.PostObjectEvent({0},{1})", itemID.ToString(), name);
|
|
|
|
SceneObjectPart part = m_Scene.GetSceneObjectPart(itemID);
|
|
if(part == null)
|
|
return false;
|
|
|
|
return PostObjectEvent(part.LocalId, new EventParams(name, p, zeroDetectParams));
|
|
}
|
|
|
|
// about the 3523rd entrypoint for a script to put itself to sleep
|
|
public void SleepScript(UUID itemID, int delay)
|
|
{
|
|
XMRInstance instance = GetInstance(itemID);
|
|
if(instance != null)
|
|
instance.Sleep(delay);
|
|
}
|
|
|
|
// Get a script instance loaded, compiling it if necessary
|
|
//
|
|
// localID = the object as a whole, may contain many scripts
|
|
// itemID = this instance of the script in this object
|
|
// script = script source code
|
|
// startParam = value passed to 'on_rez' event handler
|
|
// postOnRez = true to post an 'on_rez' event to script on load
|
|
// defEngine = default script engine
|
|
// stateSource = post this event to script on load
|
|
|
|
public void OnRezScript(uint localID, UUID itemID, string script,
|
|
int startParam, bool postOnRez, string defEngine, int stateSource)
|
|
{
|
|
if (script.StartsWith("//MRM:"))
|
|
return;
|
|
|
|
SceneObjectPart part = m_Scene.GetSceneObjectPart(localID);
|
|
TaskInventoryItem item = part.Inventory.GetInventoryItem(itemID);
|
|
|
|
if(!m_LateInit)
|
|
{
|
|
m_LateInit = true;
|
|
OneTimeLateInitialization();
|
|
}
|
|
|
|
TraceCalls("[YEngine]: OnRezScript(...,{0},...)", itemID.ToString());
|
|
|
|
// Assume script uses the default engine
|
|
string engineName = defEngine;
|
|
|
|
// Very first line might contain // scriptengine : language
|
|
string langsrt = "";
|
|
if (script.StartsWith("//"))
|
|
{
|
|
int lineEnd = script.IndexOf('\n');
|
|
if(lineEnd > 5)
|
|
{
|
|
string firstline = script.Substring(2, lineEnd - 2).Trim();
|
|
int colon = firstline.IndexOf(':');
|
|
if(colon >= 3)
|
|
{
|
|
engineName = firstline.Substring(0, colon).TrimEnd();
|
|
if(string.IsNullOrEmpty(engineName))
|
|
engineName = defEngine;
|
|
}
|
|
if (colon > 0 && colon < firstline.Length - 2)
|
|
{
|
|
langsrt = firstline.Substring(colon + 1).Trim();
|
|
langsrt = langsrt.ToLower();
|
|
}
|
|
}
|
|
}
|
|
|
|
// Make sure the default or requested engine is us.
|
|
if(engineName != ScriptEngineName)
|
|
{
|
|
// Not us, if requested engine exists, silently ignore script and let
|
|
// requested engine handle it.
|
|
IScriptModule[] engines = m_Scene.RequestModuleInterfaces<IScriptModule>();
|
|
foreach(IScriptModule eng in engines)
|
|
{
|
|
if(eng.ScriptEngineName == engineName)
|
|
return;
|
|
}
|
|
|
|
// Requested engine not defined, warn on console.
|
|
// Then we try to handle it if we're the default engine, else we ignore it.
|
|
// m_log.Warn("[YEngine]: " + itemID.ToString() + " requests undefined/disabled engine " + engineName);
|
|
// m_log.Info("[YEngine]: - " + part.GetWorldPosition());
|
|
// m_log.Info("[YEngine]: first line: " + firstline);
|
|
if(defEngine != ScriptEngineName)
|
|
{
|
|
// m_log.Info("[YEngine]: leaving it to the default script engine (" + defEngine + ") to process it");
|
|
return;
|
|
}
|
|
// m_log.Info("[YEngine]: will attempt to processing it anyway as default script engine");
|
|
}
|
|
|
|
if(!string.IsNullOrEmpty(langsrt) && langsrt !="lsl")
|
|
return;
|
|
|
|
// Put on object/instance lists.
|
|
XMRInstance instance = (XMRInstance)Activator.CreateInstance(ScriptCodeGen.xmrInstSuperType);
|
|
instance.m_LocalID = localID;
|
|
instance.m_ItemID = itemID;
|
|
instance.m_SourceCode = script;
|
|
instance.m_StartParam = startParam;
|
|
instance.m_PostOnRez = postOnRez;
|
|
instance.m_StateSource = (StateSource)stateSource;
|
|
instance.m_Part = part;
|
|
instance.m_PartUUID = part.UUID;
|
|
instance.m_Item = item;
|
|
instance.m_DescName = part.Name + ":" + item.Name;
|
|
instance.m_IState = XMRInstState.CONSTRUCT;
|
|
|
|
lock(m_InstancesDict)
|
|
{
|
|
m_LockedDict = "RegisterInstance";
|
|
|
|
// Insert on internal list of all scripts being handled by this engine instance.
|
|
m_InstancesDict[instance.m_ItemID] = instance;
|
|
|
|
// Insert on internal list of all scripts being handled by this engine instance
|
|
// that are part of the object.
|
|
List<UUID> itemIDList;
|
|
if(!m_ObjectItemList.TryGetValue(instance.m_PartUUID, out itemIDList))
|
|
{
|
|
itemIDList = new List<UUID>();
|
|
m_ObjectItemList[instance.m_PartUUID] = itemIDList;
|
|
}
|
|
if(!itemIDList.Contains(instance.m_ItemID))
|
|
{
|
|
itemIDList.Add(instance.m_ItemID);
|
|
m_ObjectInstArray[instance.m_PartUUID] = null;
|
|
}
|
|
|
|
m_LockedDict = "~RegisterInstance";
|
|
}
|
|
|
|
// Compile and load it.
|
|
lock(m_ScriptErrors)
|
|
m_ScriptErrors.Remove(instance.m_ItemID);
|
|
|
|
LoadThreadWork(instance);
|
|
}
|
|
|
|
/**
|
|
* @brief This routine instantiates one script.
|
|
*/
|
|
private void LoadThreadWork(XMRInstance instance)
|
|
{
|
|
// Compile and load the script in memory.
|
|
ArrayList errors = new ArrayList();
|
|
Exception initerr = null;
|
|
try
|
|
{
|
|
instance.Initialize(this, m_ScriptBasePath, m_StackSize, m_HeapSize, errors);
|
|
}
|
|
catch(Exception e1)
|
|
{
|
|
initerr = e1;
|
|
}
|
|
if(initerr != null && !instance.m_ForceRecomp && initerr is CVVMismatchException)
|
|
{
|
|
UUID itemID = instance.m_ItemID;
|
|
Verbose("[YEngine]: {0}/{2} first load failed ({1}), retrying after recompile",
|
|
itemID.ToString(), initerr.Message, instance.m_Item.AssetID.ToString());
|
|
Verbose("[YEngine]:\n{0}", initerr.ToString());
|
|
initerr = null;
|
|
errors = new ArrayList();
|
|
instance.m_ForceRecomp = true;
|
|
try
|
|
{
|
|
instance.Initialize(this, m_ScriptBasePath, m_StackSize, m_HeapSize, errors);
|
|
}
|
|
catch(Exception e2)
|
|
{
|
|
initerr = e2;
|
|
}
|
|
}
|
|
if(initerr != null)
|
|
{
|
|
UUID itemID = instance.m_ItemID;
|
|
Verbose("[YEngine]: Error starting script {0}/{2}: {1}",
|
|
itemID.ToString(), initerr.Message, instance.m_Item.AssetID.ToString());
|
|
if(initerr.Message != "compilation errors")
|
|
{
|
|
Verbose("[YEngine]: - " + instance.m_Part.GetWorldPosition() + " " + instance.m_DescName);
|
|
Verbose("[YEngine]: exception:\n{0}", initerr.ToString());
|
|
}
|
|
|
|
OnRemoveScript(0, itemID);
|
|
|
|
// Post errors where GetScriptErrors() can see them.
|
|
if(errors.Count == 0)
|
|
errors.Add(initerr.Message);
|
|
else
|
|
{
|
|
foreach(Object err in errors)
|
|
{
|
|
if(m_ScriptDebug)
|
|
m_log.DebugFormat("[YEngine]: {0}", err.ToString());
|
|
}
|
|
}
|
|
lock(m_ScriptErrors)
|
|
m_ScriptErrors[instance.m_ItemID] = errors;
|
|
|
|
return;
|
|
}
|
|
|
|
// Tell GetScriptErrors() that we have finished compiling/loading
|
|
// successfully (by posting a 0 element array).
|
|
lock(m_ScriptErrors)
|
|
{
|
|
if(instance.m_IState != XMRInstState.CONSTRUCT)
|
|
throw new Exception("bad state");
|
|
m_ScriptErrors[instance.m_ItemID] = noScriptErrors;
|
|
}
|
|
|
|
// Transition from CONSTRUCT->ONSTARTQ and give to RunScriptThread().
|
|
// Put it on the start queue so it will run any queued event handlers,
|
|
// such as state_entry() or on_rez(). If there aren't any queued, it
|
|
// will just go to idle state when RunOne() tries to dequeue an event.
|
|
lock(instance.m_QueueLock)
|
|
{
|
|
if(instance.m_IState != XMRInstState.CONSTRUCT)
|
|
throw new Exception("bad state");
|
|
instance.m_IState = XMRInstState.ONSTARTQ;
|
|
if(!instance.m_Running)
|
|
instance.EmptyEventQueues();
|
|
}
|
|
QueueToStart(instance);
|
|
}
|
|
|
|
public void OnRemoveScript(uint localID, UUID itemID)
|
|
{
|
|
TraceCalls("[YEngine]: OnRemoveScript(...,{0})", itemID.ToString());
|
|
|
|
// Remove from our list of known scripts.
|
|
// After this, no more events can queue because we won't be
|
|
// able to translate the itemID to an XMRInstance pointer.
|
|
XMRInstance instance = null;
|
|
lock(m_InstancesDict)
|
|
{
|
|
m_LockedDict = "OnRemoveScript:" + itemID.ToString();
|
|
|
|
// Tell the instance to free off everything it can.
|
|
if(!m_InstancesDict.TryGetValue(itemID, out instance))
|
|
{
|
|
m_LockedDict = "~OnRemoveScript";
|
|
return;
|
|
}
|
|
|
|
// Tell it to stop executing anything.
|
|
instance.suspendOnCheckRunHold = true;
|
|
|
|
// Remove it from our list of known script instances
|
|
// mostly so no more events can queue to it.
|
|
m_InstancesDict.Remove(itemID);
|
|
|
|
List<UUID> itemIDList;
|
|
if(m_ObjectItemList.TryGetValue(instance.m_PartUUID, out itemIDList))
|
|
{
|
|
itemIDList.Remove(itemID);
|
|
if(itemIDList.Count == 0)
|
|
{
|
|
m_ObjectItemList.Remove(instance.m_PartUUID);
|
|
m_ObjectInstArray.Remove(instance.m_PartUUID);
|
|
}
|
|
else
|
|
m_ObjectInstArray[instance.m_PartUUID] = null;
|
|
}
|
|
|
|
// Delete the .state file as any needed contents were fetched with GetXMLState()
|
|
// and stored on the database server.
|
|
string stateFileName = XMRInstance.GetStateFileName(m_ScriptBasePath, itemID);
|
|
File.Delete(stateFileName);
|
|
|
|
ScriptRemoved handlerScriptRemoved = OnScriptRemoved;
|
|
if(handlerScriptRemoved != null)
|
|
handlerScriptRemoved(itemID);
|
|
|
|
m_LockedDict = "~~OnRemoveScript";
|
|
}
|
|
|
|
// Free off its stack and fun things like that.
|
|
// If it is running, abort it.
|
|
instance.Dispose();
|
|
}
|
|
|
|
public void OnScriptReset(uint localID, UUID itemID)
|
|
{
|
|
TraceCalls("[YEngine]: YEngine.OnScriptReset({0},{1})", localID.ToString(), itemID.ToString());
|
|
ResetScript(itemID);
|
|
}
|
|
|
|
public void OnStartScript(uint localID, UUID itemID)
|
|
{
|
|
XMRInstance instance = GetInstance(itemID);
|
|
if(instance != null)
|
|
instance.Running = true;
|
|
}
|
|
|
|
public void OnStopScript(uint localID, UUID itemID)
|
|
{
|
|
XMRInstance instance = GetInstance(itemID);
|
|
if(instance != null)
|
|
instance.Running = false;
|
|
}
|
|
|
|
public void OnGetScriptRunning(IClientAPI controllingClient,
|
|
UUID objectID, UUID itemID)
|
|
{
|
|
XMRInstance instance = GetInstance(itemID);
|
|
if(instance != null)
|
|
{
|
|
TraceCalls("[YEngine]: YEngine.OnGetScriptRunning({0},{1})", objectID.ToString(), itemID.ToString());
|
|
|
|
IEventQueue eq = World.RequestModuleInterface<IEventQueue>();
|
|
if(eq == null)
|
|
{
|
|
controllingClient.SendScriptRunningReply(objectID, itemID,
|
|
instance.Running);
|
|
}
|
|
else
|
|
{
|
|
eq.ScriptRunningEvent(objectID, itemID, instance.Running, controllingClient.AgentId);
|
|
}
|
|
}
|
|
}
|
|
|
|
public bool HasScript(UUID itemID, out bool running)
|
|
{
|
|
XMRInstance instance = GetInstance(itemID);
|
|
if(instance == null)
|
|
{
|
|
running = true;
|
|
return false;
|
|
}
|
|
running = instance.Running;
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @brief Called once per frame update to see if scripts have
|
|
* any such work to do.
|
|
*/
|
|
private void OnFrame()
|
|
{
|
|
if(m_FrameUpdateList != null)
|
|
{
|
|
ThreadStart frameupdates;
|
|
lock(m_FrameUpdateLock)
|
|
{
|
|
frameupdates = m_FrameUpdateList;
|
|
m_FrameUpdateList = null;
|
|
}
|
|
frameupdates();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Add a one-shot delegate to list of things to do
|
|
* synchronized with frame updates.
|
|
*/
|
|
public void AddOnFrameUpdate(ThreadStart thunk)
|
|
{
|
|
lock(m_FrameUpdateLock)
|
|
m_FrameUpdateList += thunk;
|
|
}
|
|
|
|
/**
|
|
* @brief Gets called early as part of shutdown,
|
|
* right after "Persisting changed objects" message.
|
|
*/
|
|
public void OnShutdown()
|
|
{
|
|
TraceCalls("[YEngine]: YEngine.OnShutdown()");
|
|
}
|
|
|
|
/**
|
|
* @brief Queue an instance to the StartQueue so it will run.
|
|
* This queue is used for instances that have just had
|
|
* an event queued to them when they were previously
|
|
* idle. It must only be called by the thread that
|
|
* transitioned the thread to XMRInstState.ONSTARTQ so
|
|
* we don't get two threads trying to queue the same
|
|
* instance to the m_StartQueue at the same time.
|
|
*/
|
|
public void QueueToStart(XMRInstance inst)
|
|
{
|
|
if(inst.m_IState != XMRInstState.ONSTARTQ)
|
|
throw new Exception("bad state");
|
|
|
|
lock(m_StartQueue)
|
|
m_StartQueue.InsertTail(inst);
|
|
|
|
WakeUpOne();
|
|
}
|
|
|
|
/**
|
|
* @brief A script may be sleeping, in which case we wake it.
|
|
*/
|
|
public void WakeFromSleep(XMRInstance inst)
|
|
{
|
|
// Remove from sleep queue unless someone else already woke it.
|
|
lock(m_SleepQueue)
|
|
{
|
|
if(inst.m_IState != XMRInstState.ONSLEEPQ)
|
|
return;
|
|
|
|
m_SleepQueue.Remove(inst);
|
|
inst.m_IState = XMRInstState.REMDFROMSLPQ;
|
|
}
|
|
|
|
// Put on end of list of scripts that are ready to run.
|
|
lock(m_YieldQueue)
|
|
{
|
|
inst.m_IState = XMRInstState.ONYIELDQ;
|
|
m_YieldQueue.InsertTail(inst);
|
|
}
|
|
|
|
// Make sure the OS thread is running so it will see the script.
|
|
WakeUpOne();
|
|
}
|
|
|
|
/**
|
|
* @brief An instance has just finished running for now,
|
|
* figure out what to do with it next.
|
|
* @param inst = instance in question, not on any queue at the moment
|
|
* @param newIState = its new state
|
|
* @returns with instance inserted onto proper queue (if any)
|
|
*/
|
|
public void HandleNewIState(XMRInstance inst, XMRInstState newIState)
|
|
{
|
|
// RunOne() should have left the instance in RUNNING state.
|
|
if(inst.m_IState != XMRInstState.RUNNING)
|
|
throw new Exception("bad state");
|
|
|
|
// Now see what RunOne() wants us to do with the instance next.
|
|
switch(newIState)
|
|
{
|
|
// Instance has set m_SleepUntil to when it wants to sleep until.
|
|
// So insert instance in sleep queue by ascending wake time.
|
|
// Then wake the timer thread if this is the new first entry
|
|
// so it will reset its timer.
|
|
case XMRInstState.ONSLEEPQ:
|
|
lock(m_SleepQueue)
|
|
{
|
|
XMRInstance after;
|
|
|
|
inst.m_IState = XMRInstState.ONSLEEPQ;
|
|
for(after = m_SleepQueue.PeekHead(); after != null; after = after.m_NextInst)
|
|
{
|
|
if(after.m_SleepUntil > inst.m_SleepUntil)
|
|
break;
|
|
}
|
|
m_SleepQueue.InsertBefore(inst, after);
|
|
if(m_SleepQueue.PeekHead() == inst)
|
|
Monitor.Pulse(m_SleepQueue);
|
|
}
|
|
break;
|
|
|
|
// Instance just took a long time to run and got wacked by the
|
|
// slicer. So put on end of yield queue to let someone else
|
|
// run. If there is no one else, it will run again right away.
|
|
case XMRInstState.ONYIELDQ:
|
|
lock(m_YieldQueue)
|
|
{
|
|
inst.m_IState = XMRInstState.ONYIELDQ;
|
|
m_YieldQueue.InsertTail(inst);
|
|
}
|
|
break;
|
|
|
|
// Instance finished executing an event handler. So if there is
|
|
// another event queued for it, put it on the start queue so it
|
|
// will process the new event. Otherwise, mark it idle and the
|
|
// next event to queue to it will start it up.
|
|
case XMRInstState.FINISHED:
|
|
Monitor.Enter(inst.m_QueueLock);
|
|
if(!inst.m_Suspended && (inst.m_EventQueue.Count > 0))
|
|
{
|
|
inst.m_IState = XMRInstState.ONSTARTQ;
|
|
Monitor.Exit(inst.m_QueueLock);
|
|
lock(m_StartQueue)
|
|
m_StartQueue.InsertTail(inst);
|
|
}
|
|
else
|
|
{
|
|
inst.m_IState = XMRInstState.IDLE;
|
|
Monitor.Exit(inst.m_QueueLock);
|
|
}
|
|
break;
|
|
|
|
// Its m_SuspendCount > 0.
|
|
// Don't put it on any queue and it won't run.
|
|
// Since it's not IDLE, even queuing an event won't start it.
|
|
case XMRInstState.SUSPENDED:
|
|
inst.m_IState = XMRInstState.SUSPENDED;
|
|
break;
|
|
|
|
// It has been disposed of.
|
|
// Just set the new state and all refs should theoretically drop off
|
|
// as the instance is no longer in any list.
|
|
case XMRInstState.DISPOSED:
|
|
inst.m_IState = XMRInstState.DISPOSED;
|
|
break;
|
|
|
|
// RunOne returned something bad.
|
|
default:
|
|
throw new Exception("bad new state");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Thread that moves instances from the Sleep queue to the Yield queue.
|
|
*/
|
|
private void RunSleepThread()
|
|
{
|
|
double deltaTS;
|
|
int deltaMS;
|
|
XMRInstance inst;
|
|
|
|
while(true)
|
|
{
|
|
lock(m_SleepQueue)
|
|
{
|
|
// Wait here until there is a script on the timer queue that has expired.
|
|
while(true)
|
|
{
|
|
UpdateMyThread();
|
|
if(m_Exiting)
|
|
{
|
|
MyThreadExiting();
|
|
return;
|
|
}
|
|
inst = m_SleepQueue.PeekHead();
|
|
if(inst == null)
|
|
{
|
|
Monitor.Wait(m_SleepQueue, Watchdog.DEFAULT_WATCHDOG_TIMEOUT_MS / 2);
|
|
continue;
|
|
}
|
|
if(inst.m_IState != XMRInstState.ONSLEEPQ)
|
|
throw new Exception("bad state");
|
|
deltaTS = (inst.m_SleepUntil - DateTime.UtcNow).TotalMilliseconds;
|
|
if(deltaTS <= 0.0)
|
|
break;
|
|
deltaMS = Int32.MaxValue;
|
|
if(deltaTS < Int32.MaxValue)
|
|
deltaMS = (int)deltaTS;
|
|
if(deltaMS > Watchdog.DEFAULT_WATCHDOG_TIMEOUT_MS / 2)
|
|
deltaMS = Watchdog.DEFAULT_WATCHDOG_TIMEOUT_MS / 2;
|
|
|
|
Monitor.Wait(m_SleepQueue, deltaMS);
|
|
}
|
|
|
|
// Remove the expired entry from the timer queue.
|
|
m_SleepQueue.RemoveHead();
|
|
inst.m_IState = XMRInstState.REMDFROMSLPQ;
|
|
}
|
|
|
|
// Post the script to the yield queue so it will run and wake a script thread to run it.
|
|
lock(m_YieldQueue)
|
|
{
|
|
inst.m_IState = XMRInstState.ONYIELDQ;
|
|
m_YieldQueue.InsertTail(inst);
|
|
}
|
|
WakeUpOne();
|
|
}
|
|
}
|
|
|
|
public void Suspend(UUID itemID, int ms)
|
|
{
|
|
XMRInstance instance = GetInstance(itemID);
|
|
if(instance != null)
|
|
instance.Sleep(ms);
|
|
}
|
|
|
|
public void Die(UUID itemID)
|
|
{
|
|
XMRInstance instance = GetInstance(itemID);
|
|
if(instance != null)
|
|
{
|
|
TraceCalls("[YEngine]: YEngine.Die({0})", itemID.ToString());
|
|
instance.Die();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Get specific script instance for which OnRezScript()
|
|
* has been called for an YEngine script, and that
|
|
* OnRemoveScript() has not been called since.
|
|
* @param itemID = as passed to OnRezScript() identifying a specific script instance
|
|
* @returns null: not one of our scripts (maybe XEngine etc)
|
|
* else: points to the script instance
|
|
*/
|
|
public XMRInstance GetInstance(UUID itemID)
|
|
{
|
|
XMRInstance instance;
|
|
lock(m_InstancesDict)
|
|
{
|
|
if(!m_InstancesDict.TryGetValue(itemID, out instance))
|
|
instance = null;
|
|
}
|
|
return instance;
|
|
}
|
|
|
|
// Called occasionally to write script state to .state file so the
|
|
// script will restart from its last known state if the region crashes
|
|
// and gets restarted.
|
|
private void DoMaintenance(object source, ElapsedEventArgs e)
|
|
{
|
|
XMRInstance[] instanceArray;
|
|
|
|
lock(m_InstancesDict)
|
|
instanceArray = System.Linq.Enumerable.ToArray(m_InstancesDict.Values);
|
|
|
|
foreach(XMRInstance ins in instanceArray)
|
|
{
|
|
// Don't save attachments
|
|
if(ins.m_Part.ParentGroup.IsAttachment)
|
|
continue;
|
|
ins.GetExecutionState(new XmlDocument());
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Retrieve errors generated by a previous call to OnRezScript().
|
|
* We are guaranteed this routine will not be called before the
|
|
* corresponding OnRezScript() has returned. It blocks until the
|
|
* compile has completed.
|
|
*/
|
|
public ArrayList GetScriptErrors(UUID itemID)
|
|
{
|
|
ArrayList errors;
|
|
|
|
lock(m_ScriptErrors)
|
|
{
|
|
while(!m_ScriptErrors.TryGetValue(itemID, out errors))
|
|
{
|
|
Monitor.Wait(m_ScriptErrors);
|
|
}
|
|
m_ScriptErrors.Remove(itemID);
|
|
}
|
|
return errors;
|
|
}
|
|
|
|
/**
|
|
* @brief Return a list of all script execution times.
|
|
*/
|
|
public Dictionary<uint, float> GetObjectScriptsExecutionTimes()
|
|
{
|
|
Dictionary<uint, float> topScripts = new Dictionary<uint, float>();
|
|
lock(m_InstancesDict)
|
|
{
|
|
foreach(XMRInstance instance in m_InstancesDict.Values)
|
|
{
|
|
uint rootLocalID = instance.m_Part.ParentGroup.LocalId;
|
|
float oldTotal;
|
|
if(!topScripts.TryGetValue(rootLocalID, out oldTotal))
|
|
oldTotal = 0;
|
|
|
|
topScripts[rootLocalID] = (float)instance.m_CPUTime + oldTotal;
|
|
}
|
|
}
|
|
return topScripts;
|
|
}
|
|
|
|
/**
|
|
* @brief A float the value is a representative execution time in
|
|
* milliseconds of all scripts in the link set.
|
|
* @param itemIDs = list of scripts in the link set
|
|
* @returns milliseconds for all those scripts
|
|
*/
|
|
public float GetScriptExecutionTime(List<UUID> itemIDs)
|
|
{
|
|
if((itemIDs == null) || (itemIDs.Count == 0))
|
|
return 0;
|
|
|
|
float time = 0;
|
|
foreach(UUID itemID in itemIDs)
|
|
{
|
|
XMRInstance instance = GetInstance(itemID);
|
|
if((instance != null) && instance.Running)
|
|
time += (float)instance.m_CPUTime;
|
|
}
|
|
return time;
|
|
}
|
|
|
|
/**
|
|
* @brief Block script from dequeuing events.
|
|
*/
|
|
public void SuspendScript(UUID itemID)
|
|
{
|
|
XMRInstance instance = GetInstance(itemID);
|
|
if(instance != null)
|
|
{
|
|
TraceCalls("[YEngine]: YEngine.SuspendScript({0})", itemID.ToString());
|
|
instance.SuspendIt();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Allow script to dequeue events.
|
|
*/
|
|
public void ResumeScript(UUID itemID)
|
|
{
|
|
XMRInstance instance = GetInstance(itemID);
|
|
if(instance != null)
|
|
{
|
|
TraceCalls("[YEngine]: YEngine.ResumeScript({0})", itemID.ToString());
|
|
instance.ResumeIt();
|
|
}
|
|
else
|
|
{
|
|
// probably an XEngine script
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Rebuild m_ObjectInstArray[partUUID] from m_ObjectItemList[partUUID]
|
|
* @param partUUID = which object in scene to rebuild for
|
|
*/
|
|
private XMRInstance[] RebuildObjectInstArray(UUID partUUID)
|
|
{
|
|
List<UUID> itemIDList = m_ObjectItemList[partUUID];
|
|
int n = 0;
|
|
foreach(UUID itemID in itemIDList)
|
|
{
|
|
if(m_InstancesDict.ContainsKey(itemID))
|
|
n++;
|
|
}
|
|
|
|
XMRInstance[] a = new XMRInstance[n];
|
|
n = 0;
|
|
foreach(UUID itemID in itemIDList)
|
|
{
|
|
if(m_InstancesDict.TryGetValue(itemID, out a[n]))
|
|
n++;
|
|
}
|
|
m_ObjectInstArray[partUUID] = a;
|
|
return a;
|
|
}
|
|
|
|
public void TraceCalls(string format, params object[] args)
|
|
{
|
|
if(m_TraceCalls)
|
|
m_log.DebugFormat(format, args);
|
|
}
|
|
public void Verbose(string format, params object[] args)
|
|
{
|
|
if(m_Verbose)
|
|
m_log.DebugFormat(format, args);
|
|
}
|
|
|
|
/**
|
|
* @brief Manage our threads.
|
|
*/
|
|
public static Thread StartMyThread(ThreadStart start, string name, ThreadPriority priority)
|
|
{
|
|
m_log.Debug("[YEngine]: starting thread " + name);
|
|
Thread thread = WorkManager.StartThread(start, name, priority, false, false);
|
|
return thread;
|
|
}
|
|
|
|
public static void UpdateMyThread()
|
|
{
|
|
Watchdog.UpdateThread();
|
|
}
|
|
|
|
public static void MyThreadExiting()
|
|
{
|
|
Watchdog.RemoveThread(true);
|
|
}
|
|
}
|
|
}
|