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Dynamic loading of ScriptEngine in ScriptServer

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ScriptServer event pipe (OpenSim->ScriptServer->ScriptEngine) should in theory be done
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Tedd Hansen
2008-01-09 17:13:02 +00:00
parent 796ae57bea
commit 260145a7e6
8 changed files with 37 additions and 188 deletions
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38
OpenSim/Grid/ScriptServer/ScriptServer/ScriptEngineManager/ScriptEngineInterface.cs
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@@ -1,38 +0,0 @@
/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSim Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
using OpenSim.Framework.Console;
namespace OpenSim.Grid.ScriptServer
{
public interface ScriptEngineInterface
{
void InitializeEngine(RegionConnectionManager Region, LogBase logger);
void Shutdown();
// void StartScript(string ScriptID, IScriptHost ObjectID);
}
}

124
OpenSim/Grid/ScriptServer/ScriptServer/ScriptEngineManager/ScriptEngineLoader.cs
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@@ -1,124 +0,0 @@
/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSim Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
using System;
using System.IO;
using System.Reflection;
using OpenSim.Framework.Console;
namespace OpenSim.Grid.ScriptServer
{
internal class ScriptEngineLoader
{
private LogBase m_log;
public ScriptEngineLoader(LogBase logger)
{
m_log = logger;
}
public ScriptEngineInterface LoadScriptEngine(string EngineName)
{
ScriptEngineInterface ret = null;
try
{
ret =
LoadAndInitAssembly(
Path.Combine("ScriptEngines", "OpenSim.Region.ScriptEngine." + EngineName + ".dll"),
"OpenSim.Region.ScriptEngine." + EngineName + ".ScriptEngine");
}
catch (Exception e)
{
m_log.Error("ScriptEngine",
"Error loading assembly \"" + EngineName + "\": " + e.Message + ", " +
e.StackTrace.ToString());
}
return ret;
}
/// <summary>
/// Does actual loading and initialization of script Assembly
/// </summary>
/// <param name="FreeAppDomain">AppDomain to load script into</param>
/// <param name="FileName">FileName of script assembly (.dll)</param>
/// <returns></returns>
private ScriptEngineInterface LoadAndInitAssembly(string FileName, string NameSpace)
{
//Common.SendToDebug("Loading ScriptEngine Assembly " + FileName);
// Load .Net Assembly (.dll)
// Initialize and return it
// TODO: Add error handling
Assembly a;
//try
//{
// Load to default appdomain (temporary)
a = Assembly.LoadFrom(FileName);
// Load to specified appdomain
// TODO: Insert security
//a = FreeAppDomain.Load(FileName);
//}
//catch (Exception e)
//{
// m_log.Error("ScriptEngine", "Error loading assembly \"" + FileName + "\": " + e.ToString());
//}
//Console.WriteLine("Loading: " + FileName);
//foreach (Type _t in a.GetTypes())
//{
// Console.WriteLine("Type: " + _t.ToString());
//}
Type t;
//try
//{
t = a.GetType(NameSpace, true);
//}
//catch (Exception e)
//{
// m_log.Error("ScriptEngine", "Error initializing type \"" + NameSpace + "\" from \"" + FileName + "\": " + e.ToString());
//}
ScriptEngineInterface ret;
//try
//{
ret = (ScriptEngineInterface) Activator.CreateInstance(t);
//}
//catch (Exception e)
//{
// m_log.Error("ScriptEngine", "Error initializing type \"" + NameSpace + "\" from \"" + FileName + "\": " + e.ToString());
//}
return ret;
}
}
}

13
OpenSim/Grid/ScriptServer/ScriptServer/ScriptEnginesManager.cs
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@@ -28,14 +28,15 @@
using System.Collections.Generic;
using OpenSim.Framework.Console;
using OpenSim.Region.ScriptEngine.Common;
namespace OpenSim.Grid.ScriptServer
namespace OpenSim.Grid.ScriptServer.ScriptServer
{
internal class ScriptEngineManager
{
private LogBase m_log;
private ScriptEngineLoader ScriptEngineLoader;
private List<ScriptEngineInterface> scriptEngines = new List<ScriptEngineInterface>();
private List<ScriptServerInterfaces.ScriptEngine> scriptEngines = new List<ScriptServerInterfaces.ScriptEngine>();
private ScriptServerMain m_ScriptServerMain;
// Initialize
@@ -44,23 +45,21 @@ namespace OpenSim.Grid.ScriptServer
m_ScriptServerMain = scm;
m_log = logger;
ScriptEngineLoader = new ScriptEngineLoader(m_log);
// Temp - we should not load during initialize... Loading should be done later.
LoadEngine("DotNetScriptEngine");
}
~ScriptEngineManager()
{
}
public void LoadEngine(string engineName)
public ScriptServerInterfaces.ScriptEngine LoadEngine(string engineName)
{
// Load and add to list of ScriptEngines
ScriptEngineInterface sei = ScriptEngineLoader.LoadScriptEngine(engineName);
ScriptServerInterfaces.ScriptEngine sei = ScriptEngineLoader.LoadScriptEngine(engineName);
if (sei != null)
{
scriptEngines.Add(sei);
}
return sei;
}
}
}