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266 lines
10 KiB
C#
266 lines
10 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.Collections.Specialized;
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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 OpenMetaverse;
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using OpenMetaverse.StructuredData;
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//namespace OpenSim.Region.OptionalModules.Simian
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namespace OpenSim.Services.Connectors.SimianGrid
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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 = "SimianGridMaptile")]
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public class SimianGridMaptile : 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 bool m_enabled = false;
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private string m_serverUrl = String.Empty;
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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 = new System.Timers.Timer();
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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 "SimianGridMaptile"; } }
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public void RegionLoaded(Scene scene) { }
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public void Close() { }
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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 config = source.Configs["SimianGridMaptiles"];
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if (config == null)
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return;
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if (! config.GetBoolean("Enabled", false))
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return;
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m_serverUrl = config.GetString("MaptileURL");
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if (String.IsNullOrEmpty(m_serverUrl))
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return;
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int refreshseconds = Convert.ToInt32(config.GetString("RefreshTime"));
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if (refreshseconds <= 0)
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return;
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m_refreshtime = refreshseconds * 1000; // convert from seconds to ms
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m_log.InfoFormat("[SIMIAN MAPTILE] enabled with refresh timeout {0} and URL {1}",
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m_refreshtime,m_serverUrl);
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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 PostInitialise()
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{
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if (m_enabled)
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{
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m_refreshTimer.Enabled = true;
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m_refreshTimer.AutoReset = true;
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m_refreshTimer.Interval = 5 * 60 * 1000; // every 5 minutes
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m_refreshTimer.Elapsed += new ElapsedEventHandler(HandleMaptileRefresh);
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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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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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}
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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("[SIMIAN MAPTILE] map refresh fired");
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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("[SIMIAN MAPTILE] 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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///<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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m_log.DebugFormat("[SIMIAN MAPTILE]: upload maptile for {0}",scene.RegionInfo.RegionName);
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// Create a PNG 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.Warn("[SIMIAN MAPTILE]: Cannot upload PNG map tile without an ImageGenerator");
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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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// 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, scene.RegionInfo.RegionLocX, scene.RegionInfo.RegionLocY);
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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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uint locX = scene.RegionInfo.RegionLocX + (xx / Constants.RegionSize);
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uint locY = scene.RegionInfo.RegionLocY + (yy / Constants.RegionSize);
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ConvertAndUploadMaptile(subMapTile, locX, locY);
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}
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}
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}
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}
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}
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else
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{
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m_log.WarnFormat("[SIMIAN MAPTILE] Tile image generation failed");
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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 ConvertAndUploadMaptile(Image mapTile, uint locX, uint locY)
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{
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//m_log.DebugFormat("[SIMIAN MAPTILE]: upload maptile for location {0}, {1}", locX, locY);
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byte[] pngData = Utils.EmptyBytes;
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using (MemoryStream stream = new MemoryStream())
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{
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mapTile.Save(stream, ImageFormat.Png);
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pngData = stream.ToArray();
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}
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NameValueCollection requestArgs = new NameValueCollection
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{
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{ "RequestMethod", "xAddMapTile" },
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{ "X", locX.ToString() },
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{ "Y", locY.ToString() },
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{ "ContentType", "image/png" },
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{ "EncodedData", System.Convert.ToBase64String(pngData) }
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};
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OSDMap response = SimianGrid.PostToService(m_serverUrl,requestArgs);
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if (! response["Success"].AsBoolean())
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{
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m_log.WarnFormat("[SIMIAN MAPTILE] failed to store map tile; {0}",response["Message"].AsString());
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}
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}
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}
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} |