1 files changed, 199 insertions, 0 deletions

diff --git a/OpenSim/Region/OptionalModules/Grid/Interregion/InterregionModule.cs b/OpenSim/Region/OptionalModules/Grid/Interregion/InterregionModule.cs
new file mode 100644
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+++ b/OpenSim/Region/OptionalModules/Grid/Interregion/InterregionModule.cs
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+/*
+ * 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 OpenSim 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.Runtime.Remoting;
+using System.Runtime.Remoting.Channels;
+using System.Runtime.Remoting.Channels.Tcp;
+using Nini.Config;
+using OpenSim.Framework;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.Framework.Scenes;
+
+namespace OpenSim.Region.CoreModules.Grid.Interregion
+{
+    public class InterregionModule : IInterregionModule, IRegionModule
+    {
+        #region Direction enum
+
+        public enum Direction
+        {
+            North,
+            NorthEast,
+            East,
+            SouthEast,
+            South,
+            SouthWest,
+            West,
+            NorthWest
+        }
+
+        #endregion
+
+        private readonly Dictionary<Type, Object> m_interfaces = new Dictionary<Type, object>();
+        private readonly Object m_lockObject = new object();
+        private readonly List<Location> m_myLocations = new List<Location>();
+
+        private readonly Dictionary<Location, string[]> m_neighbourInterfaces = new Dictionary<Location, string[]>();
+        private readonly Dictionary<Location, RemotingObject> m_neighbourRemote = new Dictionary<Location, RemotingObject>();
+        // private IConfigSource m_config;
+        private const bool m_enabled = false;
+
+        private RemotingObject m_myRemote;
+        private TcpChannel m_tcpChannel;
+        private int m_tcpPort = 10101;
+
+        #region IInterregionModule Members
+
+        public void internal_CreateRemotingObjects()
+        {
+            lock (m_lockObject)
+            {
+                if (m_tcpChannel == null)
+                {
+                    m_myRemote = new RemotingObject(m_interfaces, m_myLocations.ToArray());
+                    m_tcpChannel = new TcpChannel(m_tcpPort);
+
+                    ChannelServices.RegisterChannel(m_tcpChannel, false);
+                    RemotingServices.Marshal(m_myRemote, "OpenSimRemote2", typeof (RemotingObject));
+                }
+            }
+        }
+
+        public void RegisterMethod<T>(T e)
+        {
+            m_interfaces[typeof (T)] = e;
+        }
+
+        public bool HasInterface<T>(Location loc)
+        {
+            foreach (string val in m_neighbourInterfaces[loc])
+            {
+                if (val == typeof (T).FullName)
+                {
+                    return true;
+                }
+            }
+            return false;
+        }
+
+        public T RequestInterface<T>(Location loc)
+        {
+            if (m_neighbourRemote.ContainsKey(loc))
+            {
+                return m_neighbourRemote[loc].RequestInterface<T>();
+            }
+            throw new IndexOutOfRangeException("No neighbour availible at that location");
+        }
+
+        public T[] RequestInterface<T>()
+        {
+            List<T> m_t = new List<T>();
+            foreach (RemotingObject remote in m_neighbourRemote.Values)
+            {
+                try
+                {
+                    m_t.Add(remote.RequestInterface<T>());
+                }
+                catch (NotSupportedException)
+                {
+                }
+            }
+            return m_t.ToArray();
+        }
+
+        public Location GetLocationByDirection(Scene scene, Direction dir)
+        {
+            return new Location(0, 0);
+        }
+
+        public void RegisterRemoteRegion(string uri)
+        {
+            RegisterRemotingInterface((RemotingObject) Activator.GetObject(typeof (RemotingObject), uri));
+        }
+
+        #endregion
+
+        #region IRegionModule Members
+
+        public void Initialise(Scene scene, IConfigSource source)
+        {
+            m_myLocations.Add(new Location((int) scene.RegionInfo.RegionLocX,
+                                           (int) scene.RegionInfo.RegionLocY));
+            // m_config = source;
+
+            scene.RegisterModuleInterface<IInterregionModule>(this);
+        }
+
+        public void PostInitialise()
+        {
+            // Commenting out to remove 'unreachable code' warning since m_enabled is never true
+//            if (m_enabled)
+//            {
+//                try
+//                {
+//                    m_tcpPort = m_config.Configs["Comms"].GetInt("remoting_port", m_tcpPort);
+//                }
+//                catch
+//                {
+//                }
+//
+//                internal_CreateRemotingObjects();
+//            }
+        }
+
+        public void Close()
+        {
+            if (null != m_tcpChannel)
+                ChannelServices.UnregisterChannel(m_tcpChannel);
+        }
+
+        public string Name
+        {
+            get { return "InterregionModule"; }
+        }
+
+        public bool IsSharedModule
+        {
+            get { return true; }
+        }
+
+        #endregion
+
+        private void RegisterRemotingInterface(RemotingObject remote)
+        {
+            Location[] locs = remote.GetLocations();
+            string[] interfaces = remote.GetInterfaces();
+            foreach (Location loc in locs)
+            {
+                m_neighbourInterfaces[loc] = interfaces;
+                m_neighbourRemote[loc] = remote;
+            }
+        }
+    }
+}