/*
 * 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.Reflection;
using System.Threading;
using log4net;
using Nini.Config;

namespace OpenSim
{    
    /// <summary>
    /// Consoleless OpenSim region server
    /// </summary>   
    public class OpenSimBackground : OpenSimBase
    {       
        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);

        private ManualResetEvent WorldHasComeToAnEnd = new ManualResetEvent(false);
        
        public OpenSimBackground(IConfigSource configSource) : base(configSource)
        {
        }
        
        /// <summary>
        /// Performs initialisation of the scene, such as loading configuration from disk.
        /// </summary>
        public override void StartUp()
        {
            //
            // Called from app startup (OpenSim.Application)
            //
            m_log.Info("====================================================================");
            m_log.Info("========================= STARTING OPENSIM =========================");
            m_log.Info("====================================================================");
            m_log.InfoFormat("[OPENSIM MAIN]: Running in background {0} mode", m_sandbox ? "sandbox" : "grid");

            InternalStartUp();

            // We are done with startup
            m_log.InfoFormat("[OPENSIM MAIN]: Startup complete, serving {0} region{1}",
                             m_clientServers.Count.ToString(), m_clientServers.Count > 1 ? "s" : "");

            WorldHasComeToAnEnd.WaitOne();
        } 
        
        /// <summary>
        /// Performs any last-minute sanity checking and shuts down the region server
        /// </summary>
        public override void Shutdown()
        {
            WorldHasComeToAnEnd.Set();

            base.Shutdown();
        }        
    }
}