opensim/OpenSim/ApplicationPlugins/LoadRegions/LoadRegionsPlugin.cs

/*
 * 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 Mono.Addins;
using Nini.Config;
using OpenSim.Framework;
using OpenSim.Framework.RegionLoader.Filesystem;
using OpenSim.Framework.RegionLoader.Web;

[assembly : Addin]
[assembly : AddinDependency("OpenSim", "0.5")]

namespace OpenSim.ApplicationPlugins.LoadRegions
{
    [Extension("/OpenSim/Startup")]
    public class LoadRegionsPlugin : IApplicationPlugin
    {
        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);

        #region IApplicationPlugin Members

        public void Initialise(OpenSimMain openSim)
        {
            m_log.Info("[LOADREGIONS]: Load Regions addin being initialised");

            IRegionLoader regionLoader;
            if (openSim.ConfigSource.Configs["Startup"].GetString("region_info_source", "filesystem") == "filesystem")
            {
                m_log.Info("[LOADREGIONS]: Loading Region Info from filesystem");
                regionLoader = new RegionLoaderFileSystem();
            }
            else
            {
                m_log.Info("[LOADREGIONSPLUGIN]: Loading Region Info from web");
                regionLoader = new RegionLoaderWebServer();
            }

            regionLoader.SetIniConfigSource(openSim.ConfigSource);
            RegionInfo[] regionsToLoad = regionLoader.LoadRegions();

            openSim.ModuleLoader.LoadDefaultSharedModules();

            for (int i = 0; i < regionsToLoad.Length; i++)
            {
                m_log.Debug("[LOADREGIONS]: Creating Region: " + regionsToLoad[i].RegionName + " (ThreadID: " + Thread.CurrentThread.ManagedThreadId.ToString() +
                            ")");
                openSim.CreateRegion(regionsToLoad[i], true);
            }

            openSim.ModuleLoader.PostInitialise();
            openSim.ModuleLoader.ClearCache();
        }

        public void Close()
        {
        }

        #endregion

        public void LoadRegionFromConfig(OpenSimMain openSim, ulong regionhandle)
        {
            m_log.Info("[LOADREGIONS]: Load Regions addin being initialised");

            IRegionLoader regionLoader;
            if (openSim.ConfigSource.Configs["Startup"].GetString("region_info_source", "filesystem") == "filesystem")
            {
                m_log.Info("[LOADREGIONS]: Loading Region Info from filesystem");
                regionLoader = new RegionLoaderFileSystem();
            }
            else
            {
                m_log.Info("[LOADREGIONS]: Loading Region Info from web");
                regionLoader = new RegionLoaderWebServer();
            }

            regionLoader.SetIniConfigSource(openSim.ConfigSource);
            RegionInfo[] regionsToLoad = regionLoader.LoadRegions();
            for (int i = 0; i < regionsToLoad.Length; i++)
            {
                if (regionhandle == regionsToLoad[i].RegionHandle)
                {
                    m_log.Debug("[LOADREGIONS]: Creating Region: " + regionsToLoad[i].RegionName + " (ThreadID: " +
                                Thread.CurrentThread.ManagedThreadId.ToString() + ")");
                    openSim.CreateRegion(regionsToLoad[i], true);
                }
            }
        }
    }
}