Simulator Extra Features Service

Provide a means for regions to fetch extra features supported by modern viewers from a central location
.

OpenSim/Region/ClientStack/Linden/Caps/SimulatorFeaturesModule.cs

@@ -56,13 +56,15 @@ namespace OpenSim.Region.ClientStack.Linden
     [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "SimulatorFeaturesModule")]
     public class SimulatorFeaturesModule : ISharedRegionModule, ISimulatorFeaturesModule
     {
-//        private static readonly ILog m_log =
-//            LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+        private static readonly ILog m_log =
+            LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
         public event SimulatorFeaturesRequestDelegate OnSimulatorFeaturesRequest;
 
         private Scene m_scene;
 
+        bool m_AllowOverride = true;
+
         /// <summary>
         /// Simulator features
         /// </summary>
@@ -75,8 +77,15 @@ namespace OpenSim.Region.ClientStack.Linden
 
         public void Initialise(IConfigSource source)
         {
-            IConfig config = source.Configs["SimulatorFeatures"];
-            if (config != null)
+            IConfig config = source.Configs ["SimulatorFeatures"];
+            string featuresURI = config.GetString ("ExtraFeaturesServiceURI", string.Empty);
+            if (string.IsNullOrEmpty (featuresURI)) {
+                m_log.Info ("ExtraFeaturesServiceURI is undefined. The grid's ExtraFeatures will not be available to regions in this instnace.");
+            } else {
+                GetGridExtraFeatures(featuresURI);
+            }
+
+            if (config != null && m_AllowOverride == true)
             {    
                 m_SearchURL = config.GetString("SearchServerURI", string.Empty);
 
@@ -126,6 +135,7 @@ namespace OpenSim.Region.ClientStack.Linden
         /// </remarks>
         private void AddDefaultFeatures()
         {
+
             lock (m_features)
             {
                 m_features["MeshRezEnabled"] = true;
@@ -141,15 +151,21 @@ namespace OpenSim.Region.ClientStack.Linden
     
                 // Extra information for viewers that want to use it
                 // TODO: Take these out of here into their respective modules, like map-server-url
-                OSDMap extrasMap = new OSDMap();
-                if (m_SearchURL != string.Empty)
+                OSDMap extrasMap;
+                if(m_features.ContainsKey("OpenSimExtras"))
+                {
+                    extrasMap = (OSDMap)m_features["OpenSimExtras"];
+                }
+                else
+                    extrasMap = new OSDMap();
+
+                if (m_SearchURL != string.Empty && m_AllowOverride == true)
                     extrasMap["search-server-url"] = m_SearchURL;
-                if (m_ExportSupported)
+                if (m_ExportSupported && m_AllowOverride == true)
                     extrasMap["ExportSupported"] = true;
 
                 if (extrasMap.Count > 0)
                     m_features["OpenSimExtras"] = extrasMap;
-
             }
         }
 
@@ -204,7 +220,10 @@ namespace OpenSim.Region.ClientStack.Linden
             OSDMap copy = DeepCopy();
 
             SimulatorFeaturesRequestDelegate handlerOnSimulatorFeaturesRequest = OnSimulatorFeaturesRequest;
-            if (handlerOnSimulatorFeaturesRequest != null)
+
+            // We will not trigger the event if m_AllowOverride == False
+            // See Robust.ini/Robust.HG.ini [GridExtraFeatures] - AllowRegionOverride
+            if (handlerOnSimulatorFeaturesRequest != null && m_AllowOverride == true)
                 handlerOnSimulatorFeaturesRequest(agentID, ref copy);
 
             //Send back data
@@ -217,5 +236,42 @@ namespace OpenSim.Region.ClientStack.Linden
 
             return responsedata;
         }
+
+        /// <summary>
+        /// Gets the grid extra features.
+        /// </summary>
+        /// <param name='featuresURI'>
+        /// The URI Robust uses to handle the get_extra_features request
+        /// </param>
+        private void GetGridExtraFeatures(string featuresURI)
+        {
+            JsonRpcRequestManager rpc = new JsonRpcRequestManager ();
+            
+            OSDMap parameters = new OSDMap ();
+            OSD Params = (OSD)parameters;
+            if (!rpc.JsonRpcRequest (ref Params, "get_extra_features", featuresURI, UUID.Random ().ToString ())) 
+            {
+                m_log.Error("[SIMFEATURES]: Could not retrieve extra features from grid. Please check configuration.");
+                return;
+            }
+            parameters = (OSDMap)Params;
+            OSDMap features = (OSDMap)parameters ["result"];
+            
+            if(features.ContainsKey("region_override"))
+                m_AllowOverride = features ["region_override"].AsBoolean () ;
+            else
+                m_AllowOverride = true;
+            
+            OSDMap test = (OSDMap)features ["extra_features"];
+            lock (m_features)
+            {
+                OSDMap extrasMap = new OSDMap();
+                foreach (string key in test.Keys)
+                {
+                    extrasMap[key] = test[key];
+                }
+                m_features["OpenSimExtras"] = extrasMap;
+            }
+        }
     }
 }

OpenSim/Region/CoreModules/ServiceConnectorsIn/Grid/LocalGridFeaturesServiceInConnector.cs

@@ -0,0 +1,129 @@
+/*
+ * 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.Reflection;
+using System.Collections.Generic;
+using log4net;
+using Mono.Addins;
+using Nini.Config;
+using OpenSim.Framework;
+using OpenSim.Framework.Servers;
+using OpenSim.Region.Framework.Scenes;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Server.Base;
+using OpenSim.Server.Handlers.Base;
+using OpenSim.Server.Handlers.Grid;
+using OpenSim.Services.Interfaces;
+using OpenSim.Framework.Servers.HttpServer;
+
+namespace OpenSim.Region.CoreModules.ServiceConnectorsIn.Grid
+{
+    [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "LocalGridFeaturesServiceInConnector")]
+    public class LocalGridExtraFeaturesServiceInConnector : ISharedRegionModule
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+        private static bool m_Enabled = false;
+        
+        private IConfigSource m_Config;
+        bool m_Registered = false;
+        
+        #region Region Module interface
+        
+        public void Initialise(IConfigSource config)
+        {
+            m_Config = config;
+            IConfig moduleConfig = config.Configs["Modules"];
+            if (moduleConfig != null)
+            {
+                string name = moduleConfig.GetString("GridExtraFeaturesServiceInConnector", "");
+                if (name == Name)
+                {
+                    m_log.Info("[GridExtraFeatures]: GridExtraFeatures Service In Connector enabled");
+                    InitializeService(config);
+                }
+            }
+        }
+
+        public void InitializeService(IConfigSource config)
+        {
+            GridExtraFeaturesHandlers handler = new GridExtraFeaturesHandlers(config);
+            
+            IHttpServer Server = MainServer.Instance;
+            
+            Server.AddJsonRPCHandler("get_extra_features", handler.JsonGetGridFeaturesMethod);
+
+        }
+        
+        public void PostInitialise()
+        {
+        }
+        
+        public void Close()
+        {
+        }
+        
+        public Type ReplaceableInterface 
+        {
+            get { return null; }
+        }
+        
+        public string Name
+        {
+            get { return "LocalGridExtraFeaturesServiceInConnector"; }
+        }
+        
+        public void AddRegion(Scene scene)
+        {
+            if (!m_Enabled)
+                return;
+        }
+        
+        public void RemoveRegion(Scene scene)
+        {
+            if (!m_Enabled)
+                return;
+        }
+        
+        public void RegionLoaded(Scene scene)
+        {
+            if (!m_Enabled)
+                return;
+            
+            if (!m_Registered)
+            {
+                m_Registered = true;
+                
+                m_log.Info("[GRID EXTRA FEATURES]: Starting...");
+                
+                new GridExtraFeaturesServerInConnector(m_Config, MainServer.Instance, "GridExtraFeaturesService");
+            }    
+        }   
+#endregion
+
+    }
+}