295 lines
12 KiB
C#
295 lines
12 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using System.Reflection;
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using System.Net;
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using System.IO;
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using System.Timers;
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using System.Drawing;
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using System.Drawing.Imaging;
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using log4net;
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using Mono.Addins;
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using Nini.Config;
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using OpenSim.Framework;
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using OpenSim.Region.Framework.Interfaces;
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using OpenSim.Region.Framework.Scenes;
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using OpenSim.Services.Interfaces;
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using OpenSim.Server.Base;
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using OpenMetaverse;
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using OpenMetaverse.StructuredData;
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namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.MapImage
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{
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/// <summary>
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/// </summary>
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/// <remarks>
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/// </remarks>
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[Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "MapImageServiceModule")]
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public class MapImageServiceModule : IMapImageUploadModule, ISharedRegionModule
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{
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private static readonly ILog m_log =
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LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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private static string LogHeader = "[MAP IMAGE SERVICE MODULE]";
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private bool m_enabled = false;
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private IMapImageService m_MapService;
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private Dictionary<UUID, Scene> m_scenes = new Dictionary<UUID, Scene>();
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private int m_refreshtime = 0;
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private int m_lastrefresh = 0;
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private System.Timers.Timer m_refreshTimer;
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#region ISharedRegionModule
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public Type ReplaceableInterface { get { return null; } }
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public string Name { get { return "MapImageServiceModule"; } }
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public void RegionLoaded(Scene scene) { }
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public void Close() { }
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public void PostInitialise() { }
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///<summary>
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///
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///</summary>
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public void Initialise(IConfigSource source)
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{
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IConfig moduleConfig = source.Configs["Modules"];
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if (moduleConfig != null)
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{
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string name = moduleConfig.GetString("MapImageService", "");
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if (name != Name)
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return;
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}
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IConfig config = source.Configs["MapImageService"];
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if (config == null)
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return;
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int refreshminutes = Convert.ToInt32(config.GetString("RefreshTime"));
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// if refresh is less than zero, disable the module
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if (refreshminutes < 0)
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{
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m_log.WarnFormat("[MAP IMAGE SERVICE MODULE]: Negative refresh time given in config. Module disabled.");
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return;
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}
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string service = config.GetString("LocalServiceModule", string.Empty);
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if (service == string.Empty)
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{
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m_log.WarnFormat("[MAP IMAGE SERVICE MODULE]: No service dll given in config. Unable to proceed.");
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return;
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}
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Object[] args = new Object[] { source };
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m_MapService = ServerUtils.LoadPlugin<IMapImageService>(service, args);
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if (m_MapService == null)
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{
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m_log.WarnFormat("[MAP IMAGE SERVICE MODULE]: Unable to load LocalServiceModule from {0}. MapService module disabled. Please fix the configuration.", service);
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return;
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}
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// we don't want the timer if the interval is zero, but we still want this module enables
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if(refreshminutes > 0)
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{
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m_refreshtime = refreshminutes * 60 * 1000; // convert from minutes to ms
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m_refreshTimer = new System.Timers.Timer();
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m_refreshTimer.Enabled = true;
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m_refreshTimer.AutoReset = true;
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m_refreshTimer.Interval = m_refreshtime;
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m_refreshTimer.Elapsed += new ElapsedEventHandler(HandleMaptileRefresh);
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m_log.InfoFormat("[MAP IMAGE SERVICE MODULE]: enabled with refresh time {0} min and service object {1}",
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refreshminutes, service);
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}
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else
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{
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m_log.InfoFormat("[MAP IMAGE SERVICE MODULE]: enabled with no refresh and service object {0}", service);
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}
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m_enabled = true;
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}
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///<summary>
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///
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///</summary>
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public void AddRegion(Scene scene)
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{
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if (!m_enabled)
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return;
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// Every shared region module has to maintain an indepedent list of
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// currently running regions
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lock (m_scenes)
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m_scenes[scene.RegionInfo.RegionID] = scene;
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scene.EventManager.OnRegionReadyStatusChange += s => { if (s.Ready) UploadMapTile(s); };
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scene.RegisterModuleInterface<IMapImageUploadModule>(this);
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}
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///<summary>
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///
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///</summary>
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public void RemoveRegion(Scene scene)
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{
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if (! m_enabled)
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return;
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lock (m_scenes)
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m_scenes.Remove(scene.RegionInfo.RegionID);
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}
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#endregion ISharedRegionModule
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///<summary>
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///
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///</summary>
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private void HandleMaptileRefresh(object sender, EventArgs ea)
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{
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// this approach is a bit convoluted becase we want to wait for the
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// first upload to happen on startup but after all the objects are
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// loaded and initialized
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if (m_lastrefresh > 0 && Util.EnvironmentTickCountSubtract(m_lastrefresh) < m_refreshtime)
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return;
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m_log.DebugFormat("[MAP IMAGE SERVICE MODULE]: map refresh!");
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lock (m_scenes)
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{
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foreach (IScene scene in m_scenes.Values)
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{
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try
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{
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UploadMapTile(scene);
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}
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catch (Exception ex)
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{
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m_log.WarnFormat("[MAP IMAGE SERVICE MODULE]: something bad happened {0}", ex.Message);
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}
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}
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}
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m_lastrefresh = Util.EnvironmentTickCount();
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}
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public void UploadMapTile(IScene scene, Bitmap mapTile)
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{
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m_log.DebugFormat("{0} Upload maptile for {1}", LogHeader, scene.Name);
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// mapTile.Save( // DEBUG DEBUG
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// String.Format("maptiles/raw-{0}-{1}-{2}.jpg", regionName, scene.RegionInfo.RegionLocX, scene.RegionInfo.RegionLocY),
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// ImageFormat.Jpeg);
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// If the region/maptile is legacy sized, just upload the one tile like it has always been done
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if (mapTile.Width == Constants.RegionSize && mapTile.Height == Constants.RegionSize)
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{
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ConvertAndUploadMaptile(mapTile,
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scene.RegionInfo.RegionLocX, scene.RegionInfo.RegionLocY,
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scene.RegionInfo.RegionName);
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}
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else
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{
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// For larger regions (varregion) we must cut the region image into legacy sized
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// pieces since that is how the maptile system works.
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// Note the assumption that varregions are always a multiple of legacy size.
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for (uint xx = 0; xx < mapTile.Width; xx += Constants.RegionSize)
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{
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for (uint yy = 0; yy < mapTile.Height; yy += Constants.RegionSize)
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{
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// Images are addressed from the upper left corner so have to do funny
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// math to pick out the sub-tile since regions are numbered from
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// the lower left.
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Rectangle rect = new Rectangle(
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(int)xx,
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mapTile.Height - (int)yy - (int)Constants.RegionSize,
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(int)Constants.RegionSize, (int)Constants.RegionSize);
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using (Bitmap subMapTile = mapTile.Clone(rect, mapTile.PixelFormat))
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{
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ConvertAndUploadMaptile(subMapTile,
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scene.RegionInfo.RegionLocX + (xx / Constants.RegionSize),
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scene.RegionInfo.RegionLocY + (yy / Constants.RegionSize),
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scene.Name);
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}
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}
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}
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}
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}
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///<summary>
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///
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///</summary>
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private void UploadMapTile(IScene scene)
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{
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// Create a JPG map tile and upload it to the AddMapTile API
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IMapImageGenerator tileGenerator = scene.RequestModuleInterface<IMapImageGenerator>();
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if (tileGenerator == null)
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{
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m_log.WarnFormat("{0} Cannot upload map tile without an ImageGenerator", LogHeader);
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return;
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}
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using (Bitmap mapTile = tileGenerator.CreateMapTile())
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{
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if (mapTile != null)
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{
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UploadMapTile(scene, mapTile);
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}
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else
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{
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m_log.WarnFormat("{0} Tile image generation failed", LogHeader);
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}
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}
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}
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private void ConvertAndUploadMaptile(Image tileImage, uint locX, uint locY, string regionName)
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{
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byte[] jpgData = Utils.EmptyBytes;
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using (MemoryStream stream = new MemoryStream())
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{
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tileImage.Save(stream, ImageFormat.Jpeg);
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jpgData = stream.ToArray();
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}
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if (jpgData != Utils.EmptyBytes)
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{
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string reason = string.Empty;
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if (!m_MapService.AddMapTile((int)locX, (int)locY, jpgData, out reason))
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{
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m_log.DebugFormat("{0} Unable to upload tile image for {1} at {2}-{3}: {4}", LogHeader,
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regionName, locX, locY, reason);
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}
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}
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else
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{
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m_log.WarnFormat("{0} Tile image generation failed for region {1}", LogHeader, regionName);
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}
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}
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}
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} |