1 files changed, 232 insertions, 0 deletions

diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/MapImage/MapImageServiceModule.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/MapImage/MapImageServiceModule.cs
new file mode 100644
index 0000000..ee90859
--- /dev/null
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/MapImage/MapImageServiceModule.cs
@@ -0,0 +1,232 @@
+/*
+ * 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 OpenSimulator 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;
+using System.Collections.Generic;
+using System.Reflection;
+using System.Net;
+using System.IO;
+using System.Timers;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+using log4net;
+using Mono.Addins;
+using Nini.Config;
+using OpenSim.Framework;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.Framework.Scenes;
+using OpenSim.Services.Interfaces;
+using OpenSim.Server.Base;
+using OpenMetaverse;
+using OpenMetaverse.StructuredData;
+
+namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.MapImage
+{
+    /// <summary>
+    /// </summary>
+    /// <remarks>
+    /// </remarks>
+
+    [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule")]
+    public class MapImageServiceModule : ISharedRegionModule
+    {
+        private static readonly ILog m_log =
+            LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        private bool m_enabled = false;
+        private IMapImageService m_MapService;
+
+        private string m_serverUrl = String.Empty;
+        private Dictionary<UUID, Scene> m_scenes = new Dictionary<UUID, Scene>();
+
+        private int m_refreshtime = 0;
+        private int m_lastrefresh = 0;
+        private System.Timers.Timer m_refreshTimer = new System.Timers.Timer();
+        
+        #region ISharedRegionModule
+        
+        public Type ReplaceableInterface { get { return null; } }
+        public string Name { get { return "MapImageServiceModule"; } }        
+        public void RegionLoaded(Scene scene) { }
+        public void Close() { }
+        public void PostInitialise() { }
+
+        
+        ///<summary>
+        ///
+        ///</summary>
+        public void Initialise(IConfigSource source)
+        {
+            IConfig moduleConfig = source.Configs["Modules"];
+            if (moduleConfig != null)
+            {
+                string name = moduleConfig.GetString("MapImageService", "");
+                if (name != Name)
+                    return;
+            }
+
+            IConfig config = source.Configs["MapImageService"];
+            if (config == null)
+                return;
+
+            int refreshminutes = Convert.ToInt32(config.GetString("RefreshTime"));
+            if (refreshminutes <= 0)
+            {
+                m_log.WarnFormat("[MAP IMAGE SERVICE MODULE]: No refresh time given in config. Module disabled.");
+                return;
+            }
+
+            m_refreshtime = refreshminutes * 60 * 1000; // convert from minutes to ms
+
+            string service = config.GetString("LocalServiceModule", string.Empty);
+            if (service == string.Empty)
+            {
+                m_log.WarnFormat("[MAP IMAGE SERVICE MODULE]: No service dll given in config. Unable to proceed.");
+                return;
+            }
+
+            Object[] args = new Object[] { source };
+            m_MapService = ServerUtils.LoadPlugin<IMapImageService>(service, args);
+
+            m_refreshTimer.Enabled = true;
+            m_refreshTimer.AutoReset = true;
+            m_refreshTimer.Interval = m_refreshtime;
+            m_refreshTimer.Elapsed += new ElapsedEventHandler(HandleMaptileRefresh);
+
+            m_log.InfoFormat("[MAP IMAGE SERVICE MODULE]: enabled with refresh time {0}min and service object {1}",
+                             refreshminutes, service);
+
+            m_enabled = true;
+        }
+
+        ///<summary>
+        ///
+        ///</summary>
+
+
+        ///<summary>
+        ///
+        ///</summary>
+        public void AddRegion(Scene scene)
+        {
+            if (! m_enabled)
+                return;
+
+            // Every shared region module has to maintain an indepedent list of
+            // currently running regions
+            lock (m_scenes)
+                m_scenes[scene.RegionInfo.RegionID] = scene;
+
+            scene.EventManager.OnPrimsLoaded += new EventManager.PrimsLoaded(EventManager_OnPrimsLoaded);
+        }
+
+        ///<summary>
+        ///
+        ///</summary>
+        public void RemoveRegion(Scene scene)
+        {
+            if (! m_enabled)
+                return;
+
+            lock (m_scenes)
+                m_scenes.Remove(scene.RegionInfo.RegionID);
+        }
+
+        #endregion ISharedRegionModule
+
+        void EventManager_OnPrimsLoaded(Scene s)
+        {
+            UploadMapTile(s);
+        }
+
+
+        ///<summary>
+        ///
+        ///</summary>
+        private void HandleMaptileRefresh(object sender, EventArgs ea)
+        {
+            // this approach is a bit convoluted becase we want to wait for the
+            // first upload to happen on startup but after all the objects are
+            // loaded and initialized
+            if (m_lastrefresh > 0 && Util.EnvironmentTickCountSubtract(m_lastrefresh) < m_refreshtime)
+                return;
+
+            m_log.DebugFormat("[MAP IMAGE SERVICE MODULE]: map refresh!");
+            lock (m_scenes)
+            {
+                foreach (IScene scene in m_scenes.Values)
+                {
+                    try
+                    {
+                        UploadMapTile(scene);
+                    }
+                    catch (Exception ex)
+                    {
+                        m_log.WarnFormat("[MAP IMAGE SERVICE MODULE]: something bad happened {0}", ex.Message);
+                    }
+                }
+            }
+
+            m_lastrefresh = Util.EnvironmentTickCount();
+        }
+
+        ///<summary>
+        ///
+        ///</summary>
+        private void UploadMapTile(IScene scene)
+        {
+            m_log.DebugFormat("[MAP IMAGE SERVICE MODULE]: upload maptile for {0}", scene.RegionInfo.RegionName);
+
+            // Create a PNG map tile and upload it to the AddMapTile API
+            byte[] jpgData = Utils.EmptyBytes;
+            IMapImageGenerator tileGenerator = scene.RequestModuleInterface<IMapImageGenerator>();
+            if (tileGenerator == null)
+            {
+                m_log.Warn("[MAP IMAGE SERVICE MODULE]: Cannot upload PNG map tile without an ImageGenerator");
+                return;
+            }
+
+            using (Image mapTile = tileGenerator.CreateMapTile())
+            {
+                using (MemoryStream stream = new MemoryStream())
+                {
+                    mapTile.Save(stream, ImageFormat.Jpeg);
+                    jpgData = stream.ToArray();
+                }
+            }
+
+            string reason = string.Empty;
+            if (!m_MapService.AddMapTile((int)scene.RegionInfo.RegionLocX, (int)scene.RegionInfo.RegionLocY, jpgData, out reason))
+            {
+                m_log.DebugFormat("[MAP IMAGE SERVICE MODULE]: Unable to upload tile image for {0} at {1}-{2}: {3}",
+                    scene.RegionInfo.RegionName, scene.RegionInfo.RegionLocX, scene.RegionInfo.RegionLocY, reason);
+            }
+
+        }
+    }
+}
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