1 files changed, 194 insertions, 0 deletions

diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/RemoteGridServiceConnector.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/RemoteGridServiceConnector.cs
new file mode 100644
index 0000000..72c00fc
--- /dev/null
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/RemoteGridServiceConnector.cs
@@ -0,0 +1,194 @@
+/*
+ * 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 log4net;
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+using Nini.Config;
+using OpenMetaverse;
+
+using OpenSim.Framework;
+using OpenSim.Services.Connectors;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.Framework.Scenes;
+using OpenSim.Services.Interfaces;
+using GridRegion = OpenSim.Services.Interfaces.GridRegion;
+
+namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
+{
+    public class RemoteGridServicesConnector :
+            GridServicesConnector, ISharedRegionModule, IGridService
+    {
+        private static readonly ILog m_log =
+                LogManager.GetLogger(
+                MethodBase.GetCurrentMethod().DeclaringType);
+
+        private bool m_Enabled = false;
+
+        private IGridService m_LocalGridService;
+
+        public RemoteGridServicesConnector()
+        {
+        }
+
+        public RemoteGridServicesConnector(IConfigSource source)
+        {
+            InitialiseServices(source);
+        }
+
+        #region ISharedRegionmodule
+
+        public Type ReplaceableInterface 
+        {
+            get { return null; }
+        }
+
+        public string Name
+        {
+            get { return "RemoteGridServicesConnector"; }
+        }
+
+        public override void Initialise(IConfigSource source)
+        {
+            IConfig moduleConfig = source.Configs["Modules"];
+            if (moduleConfig != null)
+            {
+                string name = moduleConfig.GetString("GridServices", "");
+                if (name == Name)
+                {
+                    InitialiseServices(source);
+                    m_Enabled = true;
+                    m_log.Info("[REMOTE GRID CONNECTOR]: Remote grid enabled");
+                }
+            }
+        }
+
+        private void InitialiseServices(IConfigSource source)
+        {
+            IConfig gridConfig = source.Configs["GridService"];
+            if (gridConfig == null)
+            {
+                m_log.Error("[REMOTE GRID CONNECTOR]: GridService missing from OpenSim.ini");
+                return;
+            }
+
+            base.Initialise(source);
+
+            m_LocalGridService = new LocalGridServicesConnector(source);
+        }
+
+        public void PostInitialise()
+        {
+            if (m_LocalGridService != null)
+                ((ISharedRegionModule)m_LocalGridService).PostInitialise();
+        }
+
+        public void Close()
+        {
+        }
+
+        public void AddRegion(Scene scene)
+        {
+            if (m_Enabled)
+                scene.RegisterModuleInterface<IGridService>(this);
+
+            if (m_LocalGridService != null)
+                ((ISharedRegionModule)m_LocalGridService).AddRegion(scene);
+        }
+
+        public void RemoveRegion(Scene scene)
+        {
+            if (m_LocalGridService != null)
+                ((ISharedRegionModule)m_LocalGridService).RemoveRegion(scene);
+        }
+
+        public void RegionLoaded(Scene scene)
+        {
+        }
+
+        #endregion
+
+        #region IGridService
+
+        public override bool RegisterRegion(UUID scopeID, GridRegion regionInfo)
+        {
+            if (m_LocalGridService.RegisterRegion(scopeID, regionInfo))
+                return base.RegisterRegion(scopeID, regionInfo);
+
+            return false;
+        }
+
+        public override bool DeregisterRegion(UUID regionID)
+        {
+            if (m_LocalGridService.DeregisterRegion(regionID))
+                return base.DeregisterRegion(regionID);
+
+            return false;
+        }
+
+        // Let's override GetNeighbours completely -- never go to the grid server
+        // Neighbours are/should be cached locally
+        // For retrieval from the DB, caller should call GetRegionByPosition
+        public override List<GridRegion> GetNeighbours(UUID scopeID, UUID regionID)
+        {
+            return m_LocalGridService.GetNeighbours(scopeID, regionID);
+        }
+
+        public override GridRegion GetRegionByUUID(UUID scopeID, UUID regionID)
+        {
+            GridRegion rinfo = m_LocalGridService.GetRegionByUUID(scopeID, regionID);
+            if (rinfo == null)
+                rinfo = base.GetRegionByUUID(scopeID, regionID);
+
+            return rinfo;
+        }
+
+        public override GridRegion GetRegionByPosition(UUID scopeID, int x, int y)
+        {
+            GridRegion rinfo = m_LocalGridService.GetRegionByPosition(scopeID, x, y);
+            if (rinfo == null)
+                rinfo = base.GetRegionByPosition(scopeID, x, y);
+
+            return rinfo;
+        }
+
+        public override GridRegion GetRegionByName(UUID scopeID, string regionName)
+        {
+            GridRegion rinfo = m_LocalGridService.GetRegionByName(scopeID, regionName);
+            if (rinfo == null)
+                rinfo = base.GetRegionByName(scopeID, regionName);
+
+            return rinfo;
+        }
+
+        // Let's not override GetRegionsByName -- let's get them all from the grid server
+        // Let's not override GetRegionRange -- let's get them all from the grid server
+
+        #endregion
+    }
+}