/*
* 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
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* 
*/
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;

namespace OpenSim.Grid.ScriptServer
{
    // Waiting for incoming script requests from region
    internal class RegionScriptDaemon
    {
        private Thread listenThread;

        public ScriptServer m_ScriptServer;
        public RegionScriptDaemon(ScriptServer scriptServer)
        {
            m_ScriptServer = scriptServer;
        }
        ~RegionScriptDaemon()
        {
            Stop();
        }

        /// <summary>
        /// Starts listening for region requests
        /// </summary>
        public void Start()
        {
            // Start listener
            Stop();
            listenThread = new Thread(ListenThreadLoop);
            listenThread.Name = "listenThread";
            listenThread.IsBackground = true;
            listenThread.Start();
        }
        /// <summary>
        /// Stops listening for region requests
        /// </summary>
        public void Stop()
        {
            // Stop listener, clean up
            if (listenThread != null)
            {
                try
                {
                    if (listenThread.IsAlive)
                        listenThread.Abort();
                    listenThread.Join(1000); // Wait 1 second for thread to shut down
                }
                catch { }
                listenThread = null;
            }
        }

        private void ListenThreadLoop()
        {
            // * Listen for requests from regions
            // * When a request is received:
            //  - Authenticate region
            //  - Authenticate user
            //  - Have correct scriptengine load script
            //   ~ ask scriptengines if they will accept script?
            //  - Add script to shared communication channel towards that region

        }

    }
}