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/*
* 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.Collections.Generic;
using System.Reflection;
using System.Runtime.Remoting.Lifetime;
namespace OpenSim.Region.ScriptEngine.Common
{
public class Executor : MarshalByRefObject
{
// Private instance for each script
private IScript m_Script;
private Dictionary<string, MethodInfo> Events = new Dictionary<string, MethodInfo>();
private bool m_Running = true;
//private List<IScript> Scripts = new List<IScript>();
public Executor(IScript Script)
{
m_Script = Script;
}
// Object never expires
public override Object InitializeLifetimeService()
{
//Console.WriteLine("Executor: InitializeLifetimeService()");
// return null;
ILease lease = (ILease) base.InitializeLifetimeService();
if (lease.CurrentState == LeaseState.Initial)
{
lease.InitialLeaseTime = TimeSpan.Zero; // TimeSpan.FromMinutes(1);
// lease.SponsorshipTimeout = TimeSpan.FromMinutes(2);
// lease.RenewOnCallTime = TimeSpan.FromSeconds(2);
}
return lease;
}
public AppDomain GetAppDomain()
{
return AppDomain.CurrentDomain;
}
public void ExecuteEvent(string FunctionName, object[] args)
{
// IMPORTANT: Types and MemberInfo-derived objects require a LOT of memory.
// Instead use RuntimeTypeHandle, RuntimeFieldHandle and RunTimeHandle (IntPtr) instead!
//try
//{
if (m_Running == false)
{
// Script is inactive, do not execute!
return;
}
string EventName = m_Script.State + "_event_" + FunctionName;
//cfk 2-7-08 dont need this right now and the default Linux build has DEBUG defined
///#if DEBUG
/// Console.WriteLine("ScriptEngine: Script event function name: " + EventName);
///#endif
//type.InvokeMember(EventName, BindingFlags.InvokeMethod, null, m_Script, args);
//Console.WriteLine("ScriptEngine Executor.ExecuteEvent: \String.Empty + EventName + "\String.Empty);
if (Events.ContainsKey(EventName) == false)
{
// Not found, create
Type type = m_Script.GetType();
try
{
MethodInfo mi = type.GetMethod(EventName);
Events.Add(EventName, mi);
}
catch
{
// Event name not found, cache it as not found
Events.Add(EventName, null);
}
}
// Get event
MethodInfo ev = null;
Events.TryGetValue(EventName, out ev);
if (ev == null) // No event by that name!
{
//Console.WriteLine("ScriptEngine Can not find any event named: \String.Empty + EventName + "\String.Empty);
return;
}
//cfk 2-7-08 dont need this right now and the default Linux build has DEBUG defined
///#if DEBUG
/// Console.WriteLine("ScriptEngine: Executing function name: " + EventName);
///#endif
// Found
//try
//{
// Invoke it
ev.Invoke(m_Script, args);
//}
//catch (Exception e)
//{
// // TODO: Send to correct place
// Console.WriteLine("ScriptEngine Exception attempting to executing script function: " + e.ToString());
//}
//}
//catch { }
}
public void StopScript()
{
m_Running = false;
}
}
}
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