138 lines
5.4 KiB
C#
138 lines
5.4 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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using System;
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using System.Collections.Generic;
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using System.Reflection;
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using System.Text;
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using log4net;
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using OpenMetaverse;
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using OpenSim.Region.ScriptEngine.Interfaces;
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using OpenSim.Region.ScriptEngine.Shared.ScriptBase;
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using OpenSim.ScriptEngine.Shared;
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namespace OpenSim.ScriptEngine.Shared
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{
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public struct ScriptStructure
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{
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private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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public RegionInfoStructure RegionInfo;
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public ScriptMetaData ScriptMetaData;
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public ScriptAssemblies.IScript ScriptObject;
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public string State;
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public bool Running;
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public bool Disabled;
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public string Source;
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public int StartParam;
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public AppDomain AppDomain;
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public Dictionary<string, IScriptApi> Apis;
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public Dictionary<KeyValuePair<int, int>, KeyValuePair<int, int>> LineMap;
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public uint LocalID;
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public UUID ItemID;
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public string AssemblyFileName;
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public string ScriptID { get { return LocalID.ToString() + "." + ItemID.ToString(); } }
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public string Name { get { return "Script:" + ScriptID; } }
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private bool Initialized;
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private Dictionary<string, Delegate> InternalFunctions;
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public string AssemblyName;
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public void ExecuteEvent(EventParams p)
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{
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ExecuteMethod(p, true);
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}
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public void ExecuteMethod(EventParams p)
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{
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ExecuteMethod(p, false);
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}
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private void ExecuteMethod(EventParams p, bool isEvent)
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{
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// First time initialization?
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if (!Initialized)
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{
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Initialized = true;
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CacheInternalFunctions();
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}
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lock (InternalFunctions)
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{
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// Make function name
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string FunctionName;
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if (isEvent)
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FunctionName = State + "_event_" + p.EventName;
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else
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FunctionName = p.EventName;
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// Check if this function exist
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if (!InternalFunctions.ContainsKey(FunctionName))
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{
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// TODO: Send message in-world
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m_log.ErrorFormat("[{0}] Script function \"{1}\" was not found.", Name, FunctionName);
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return;
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}
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// Execute script function
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try
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{
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InternalFunctions[FunctionName].DynamicInvoke(p.Params);
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}
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catch (Exception e)
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{
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m_log.ErrorFormat("[{0}] Execute \"{1}\" failed: {2}", Name, FunctionName, e.ToString());
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}
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}
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}
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/// <summary>
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/// Cache functions into a dictionary with delegates. Should be faster than reflection.
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/// </summary>
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private void CacheInternalFunctions()
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{
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Type scriptObjectType = ScriptObject.GetType();
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InternalFunctions = new Dictionary<string, Delegate>();
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MethodInfo[] methods = scriptObjectType.GetMethods();
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lock (InternalFunctions)
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{
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// Read all methods into a dictionary
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foreach (MethodInfo mi in methods)
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{
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// TODO: We don't support overloading
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if (!InternalFunctions.ContainsKey(mi.Name))
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InternalFunctions.Add(mi.Name, Delegate.CreateDelegate(scriptObjectType, ScriptObject, mi));
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else
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m_log.ErrorFormat("[{0}] Error: Script function \"{1}\" is already added. We do not support overloading.",
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Name, mi.Name);
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}
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}
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}
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}
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}
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