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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.Runtime.Remoting.Lifetime;
namespace OpenSim.Region.ScriptEngine.Common
{
public abstract class ExecutorBase : MarshalByRefObject
{
/// <summary>
/// Contains the script to execute functions in.
/// </summary>
protected IScript m_Script;
/// <summary>
/// If set to False events will not be executed.
/// </summary>
protected bool m_Running = true;
/// <summary>
/// True indicates that the ScriptManager has stopped
/// this script. This prevents a script that has been
/// stopped as part of deactivation from being
/// resumed by a pending llSetScriptState request.
/// </summary>
protected bool m_Disable = false;
/// <summary>
/// Indicate the scripts current running status.
/// </summary>
public bool Running
{
get { return m_Running; }
set {
if(!m_Disable)
m_Running = value;
}
}
/// <summary>
/// Create a new instance of ExecutorBase
/// </summary>
/// <param name="Script"></param>
public ExecutorBase(IScript Script)
{
m_Script = Script;
}
/// <summary>
/// Make sure our object does not timeout when in AppDomain. (Called by ILease base class)
/// </summary>
/// <returns></returns>
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;
}
/// <summary>
/// Get current AppDomain
/// </summary>
/// <returns>Current AppDomain</returns>
public AppDomain GetAppDomain()
{
return AppDomain.CurrentDomain;
}
/// <summary>
/// Execute a specific function/event in script.
/// </summary>
/// <param name="FunctionName">Name of function to execute</param>
/// <param name="args">Arguments to pass to function</param>
public void ExecuteEvent(string FunctionName, object[] args)
{
if (m_Running == false)
{
// Script is inactive, do not execute!
return;
}
DoExecuteEvent(FunctionName, args);
}
protected abstract void DoExecuteEvent(string FunctionName, object[] args);
/// <summary>
/// Stop script from running. Event execution will be ignored.
/// </summary>
public void StopScript()
{
m_Running = false;
m_Disable = true;
}
}
}
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