Added hg console commands to the module.

Added the IN connector module for link-region and corresponding handler to be used in the regions only. No service as such is needed.
This will replace the current link-region machinery. Compiles but not tested.

7 files changed, 817 insertions, 13 deletions

diff --git a/OpenSim/Framework/RegionInfo.cs b/OpenSim/Framework/RegionInfo.cs
index 0dc35a5..cee1d4b 100644
--- a/OpenSim/Framework/RegionInfo.cs
+++ b/OpenSim/Framework/RegionInfo.cs
@@ -108,6 +108,7 @@ namespace OpenSim.Framework
 
         public SimpleRegionInfo(RegionInfo ConvertFrom)
         {
+            m_regionName = ConvertFrom.RegionName;
             m_regionLocX = ConvertFrom.RegionLocX;
             m_regionLocY = ConvertFrom.RegionLocY;
             m_internalEndPoint = ConvertFrom.InternalEndPoint;
diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsIn/Grid/HypergridServiceInConnectorModule.cs b/OpenSim/Region/CoreModules/ServiceConnectorsIn/Grid/HypergridServiceInConnectorModule.cs
new file mode 100644
index 0000000..8d113d3
--- /dev/null
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsIn/Grid/HypergridServiceInConnectorModule.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 Nini.Config;
+using OpenSim.Framework;
+using OpenSim.Framework.Servers.HttpServer;
+using OpenSim.Region.Framework.Scenes;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Server.Base;
+using OpenSim.Server.Handlers.Base;
+using OpenSim.Server.Handlers.Grid;
+
+namespace OpenSim.Region.CoreModules.ServiceConnectorsIn.Grid
+{
+    public class HypergridServiceInConnectorModule : 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;
+        HypergridServiceInConnector m_HypergridHandler;
+
+        #region IRegionModule interface
+
+        public void Initialise(IConfigSource config)
+        {
+            //// This module is only on for standalones in hypergrid mode
+            //enabled = (!config.Configs["Startup"].GetBoolean("gridmode", true)) &&
+            //    config.Configs["Startup"].GetBoolean("hypergrid", true);
+            //m_log.DebugFormat("[RegionInventoryService]: enabled? {0}", enabled);
+            m_Config = config;
+            IConfig moduleConfig = config.Configs["Modules"];
+            if (moduleConfig != null)
+            {
+                m_Enabled = moduleConfig.GetBoolean("HypergridServiceInConnector", false);
+                if (m_Enabled)
+                {
+                    m_log.Info("[INVENTORY IN CONNECTOR]: Hypergrid Service In Connector enabled");
+                }
+
+            }
+
+        }
+
+        public void PostInitialise()
+        {
+        }
+
+        public void Close()
+        {
+        }
+
+        public Type ReplaceableInterface 
+        {
+            get { return null; }
+        }
+
+        public string Name
+        {
+            get { return "HypergridService"; }
+        }
+
+        public void AddRegion(Scene scene)
+        {
+            if (!m_Enabled)
+                return;
+
+            if (!m_Registered)
+            {
+                m_Registered = true;
+
+                m_log.Info("[HypergridService]: Starting...");
+
+                Object[] args = new Object[] { m_Config, MainServer.Instance };
+
+                m_HypergridHandler = new HypergridServiceInConnector(m_Config, MainServer.Instance);
+                    //ServerUtils.LoadPlugin<HypergridServiceInConnector>("OpenSim.Server.Handlers.dll:HypergridServiceInConnector", args);
+            }
+
+            SimpleRegionInfo rinfo = new SimpleRegionInfo(scene.RegionInfo);
+            m_HypergridHandler.AddRegion(rinfo);
+        }
+
+        public void RemoveRegion(Scene scene)
+        {
+            if (!m_Enabled)
+                return;
+
+            SimpleRegionInfo rinfo = new SimpleRegionInfo(scene.RegionInfo);
+            m_HypergridHandler.RemoveRegion(rinfo);
+        }
+
+        public void RegionLoaded(Scene scene)
+        {
+        }
+
+        #endregion
+
+    }
+}
diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/HGCommands.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/HGCommands.cs
new file mode 100644
index 0000000..eee3a6c
--- /dev/null
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/HGCommands.cs
@@ -0,0 +1,295 @@
+/*
+ * 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.Xml;
+using log4net;
+using Nini.Config;
+using OpenSim.Framework;
+//using OpenSim.Framework.Communications;
+using OpenSim.Framework.Console;
+using OpenSim.Region.Framework;
+using OpenSim.Region.Framework.Scenes;
+using OpenSim.Region.Framework.Scenes.Hypergrid;
+
+namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
+{
+    public class HGCommands
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+        private HGGridConnector m_HGGridConnector;
+        private Scene m_scene;
+
+        private static uint m_autoMappingX = 0;
+        private static uint m_autoMappingY = 0;
+        private static bool m_enableAutoMapping = false;
+
+        public HGCommands(HGGridConnector hgConnector, Scene scene)
+        {
+            m_HGGridConnector = hgConnector;
+            m_scene = scene;
+        }
+
+        //public static Scene CreateScene(RegionInfo regionInfo, AgentCircuitManager circuitManager, CommunicationsManager m_commsManager,
+        //    StorageManager storageManager, ModuleLoader m_moduleLoader, ConfigSettings m_configSettings, OpenSimConfigSource m_config, string m_version)
+        //{
+        //    HGSceneCommunicationService sceneGridService = new HGSceneCommunicationService(m_commsManager, HGServices);
+
+        //    return
+        //        new HGScene(
+        //            regionInfo, circuitManager, m_commsManager, sceneGridService, storageManager,
+        //            m_moduleLoader, false, m_configSettings.PhysicalPrim,
+        //            m_configSettings.See_into_region_from_neighbor, m_config.Source, m_version);
+        //}
+
+        public void RunCommand(string module, string[] cmdparams)
+        {
+            List<string> args = new List<string>(cmdparams);
+            if (args.Count < 1)
+                return;
+
+            string command = args[0];
+            args.RemoveAt(0);
+
+            cmdparams = args.ToArray();
+
+            RunHGCommand(command, cmdparams);
+            
+        }
+
+        private void RunHGCommand(string command, string[] cmdparams)
+        {
+            if (command.Equals("link-mapping"))
+            {
+                if (cmdparams.Length == 2)
+                {
+                    try
+                    {
+                        m_autoMappingX = Convert.ToUInt32(cmdparams[0]);
+                        m_autoMappingY = Convert.ToUInt32(cmdparams[1]);
+                        m_enableAutoMapping = true;
+                    }
+                    catch (Exception)
+                    {
+                        m_autoMappingX = 0;
+                        m_autoMappingY = 0;
+                        m_enableAutoMapping = false;
+                    }
+                }
+            }
+            else if (command.Equals("link-region"))
+            {
+                if (cmdparams.Length < 3)
+                {
+                    if ((cmdparams.Length == 1) || (cmdparams.Length == 2))
+                    {
+                        LoadXmlLinkFile(cmdparams);
+                    }
+                    else
+                    {
+                        LinkRegionCmdUsage();
+                    }
+                    return;
+                }
+
+                if (cmdparams[2].Contains(":"))
+                {
+                    // New format
+                    uint xloc, yloc;
+                    string mapName;
+                    try
+                    {
+                        xloc = Convert.ToUInt32(cmdparams[0]);
+                        yloc = Convert.ToUInt32(cmdparams[1]);
+                        mapName = cmdparams[2];
+                        if (cmdparams.Length > 3)
+                            for (int i = 3; i < cmdparams.Length; i++)
+                                mapName += " " + cmdparams[i];
+
+                        m_log.Info(">> MapName: " + mapName);
+                        //internalPort = Convert.ToUInt32(cmdparams[4]);
+                        //remotingPort = Convert.ToUInt32(cmdparams[5]);
+                    }
+                    catch (Exception e)
+                    {
+                        m_log.Warn("[HGrid] Wrong format for link-region command: " + e.Message);
+                        LinkRegionCmdUsage();
+                        return;
+                    }
+
+                    m_HGGridConnector.TryLinkRegionToCoords(m_scene, null, mapName, xloc, yloc);
+                }
+                else
+                {
+                    // old format
+                    SimpleRegionInfo regInfo;
+                    uint xloc, yloc;
+                    uint externalPort;
+                    string externalHostName;
+                    try
+                    {
+                        xloc = Convert.ToUInt32(cmdparams[0]);
+                        yloc = Convert.ToUInt32(cmdparams[1]);
+                        externalPort = Convert.ToUInt32(cmdparams[3]);
+                        externalHostName = cmdparams[2];
+                        //internalPort = Convert.ToUInt32(cmdparams[4]);
+                        //remotingPort = Convert.ToUInt32(cmdparams[5]);
+                    }
+                    catch (Exception e)
+                    {
+                        m_log.Warn("[HGrid] Wrong format for link-region command: " + e.Message);
+                        LinkRegionCmdUsage();
+                        return;
+                    }
+
+                    //if (TryCreateLink(xloc, yloc, externalPort, externalHostName, out regInfo))
+                    if (m_HGGridConnector.TryCreateLink(m_scene, null, xloc, yloc, "", externalPort, externalHostName, out regInfo))
+                    {
+                        if (cmdparams.Length >= 5)
+                        {
+                            regInfo.RegionName = "";
+                            for (int i = 4; i < cmdparams.Length; i++)
+                                regInfo.RegionName += cmdparams[i] + " ";
+                        }
+                    }
+                }
+                return;
+            }
+            else if (command.Equals("unlink-region"))
+            {
+                if (cmdparams.Length < 1)
+                {
+                    UnlinkRegionCmdUsage();
+                    return;
+                }
+                if (m_HGGridConnector.TryUnlinkRegion(m_scene, cmdparams[0]))
+                    m_log.InfoFormat("[HGrid]: Successfully unlinked {0}", cmdparams[0]);
+                else
+                    m_log.InfoFormat("[HGrid]: Unable to unlink {0}, region not found", cmdparams[0]);
+            }
+        }
+
+        private void LoadXmlLinkFile(string[] cmdparams)
+        {
+            //use http://www.hgurl.com/hypergrid.xml for test
+            try
+            {
+                XmlReader r = XmlReader.Create(cmdparams[0]);
+                XmlConfigSource cs = new XmlConfigSource(r);
+                string[] excludeSections = null;
+
+                if (cmdparams.Length == 2)
+                {
+                    if (cmdparams[1].ToLower().StartsWith("excludelist:"))
+                    {
+                        string excludeString = cmdparams[1].ToLower();
+                        excludeString = excludeString.Remove(0, 12);
+                        char[] splitter = { ';' };
+
+                        excludeSections = excludeString.Split(splitter);
+                    }
+                }
+
+                for (int i = 0; i < cs.Configs.Count; i++)
+                {
+                    bool skip = false;
+                    if ((excludeSections != null) && (excludeSections.Length > 0))
+                    {
+                        for (int n = 0; n < excludeSections.Length; n++)
+                        {
+                            if (excludeSections[n] == cs.Configs[i].Name.ToLower())
+                            {
+                                skip = true;
+                                break;
+                            }
+                        }
+                    }
+                    if (!skip)
+                    {
+                        ReadLinkFromConfig(cs.Configs[i]);
+                    }
+                }
+            }
+            catch (Exception e)
+            {
+                m_log.Error(e.ToString());
+            }
+        }
+
+
+        private void ReadLinkFromConfig(IConfig config)
+        {
+            SimpleRegionInfo regInfo;
+            uint xloc, yloc;
+            uint externalPort;
+            string externalHostName;
+            uint realXLoc, realYLoc;
+
+            xloc = Convert.ToUInt32(config.GetString("xloc", "0"));
+            yloc = Convert.ToUInt32(config.GetString("yloc", "0"));
+            externalPort = Convert.ToUInt32(config.GetString("externalPort", "0"));
+            externalHostName = config.GetString("externalHostName", "");
+            realXLoc = Convert.ToUInt32(config.GetString("real-xloc", "0"));
+            realYLoc = Convert.ToUInt32(config.GetString("real-yloc", "0"));
+
+            if (m_enableAutoMapping)
+            {
+                xloc = (uint)((xloc % 100) + m_autoMappingX);
+                yloc = (uint)((yloc % 100) + m_autoMappingY);
+            }
+
+            if (((realXLoc == 0) && (realYLoc == 0)) ||
+                (((realXLoc - xloc < 3896) || (xloc - realXLoc < 3896)) &&
+                 ((realYLoc - yloc < 3896) || (yloc - realYLoc < 3896))))
+            {
+                if (
+                    m_HGGridConnector.TryCreateLink(m_scene, null, xloc, yloc, "", externalPort,
+                                              externalHostName, out regInfo))
+                {
+                    regInfo.RegionName = config.GetString("localName", "");
+                }
+            }
+        }
+
+
+        private void LinkRegionCmdUsage()
+        {
+            m_log.Info("Usage: link-region <Xloc> <Yloc> <HostName>:<HttpPort>[:<RemoteRegionName>]");
+            m_log.Info("Usage: link-region <Xloc> <Yloc> <HostName> <HttpPort> [<LocalName>]");
+            m_log.Info("Usage: link-region <URI_of_xml> [<exclude>]");
+        }
+
+        private void UnlinkRegionCmdUsage()
+        {
+            m_log.Info("Usage: unlink-region <HostName>:<HttpPort>");
+            m_log.Info("Usage: unlink-region <LocalName>");
+        }
+
+    }
+}
diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/HGGridConnector.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/HGGridConnector.cs
index e3cb05c..7aeb761 100644
--- a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/HGGridConnector.cs
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/HGGridConnector.cs
@@ -27,14 +27,18 @@
 
 using System;
 using System.Collections.Generic;
+using System.Net;
 using System.Reflection;
+using System.Xml;
 
 using OpenSim.Framework;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
+using OpenSim.Region.Framework.Scenes.Hypergrid;
 using OpenSim.Services.Interfaces;
 using OpenSim.Server.Base;
 using OpenSim.Services.Connectors.Grid;
+using OpenSim.Framework.Console;
 
 using OpenMetaverse;
 using log4net;
@@ -94,7 +98,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
 
 
                     InitialiseConnectorModule(source);
-
+                    
                     m_Enabled = true;
                     m_log.Info("[HGGRID CONNECTOR]: HG grid enabled");
                 }
@@ -137,6 +141,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
                 return;
 
             scene.RegisterModuleInterface<IGridService>(this);
+
         }
 
         public void RemoveRegion(Scene scene)
@@ -145,11 +150,25 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
 
         public void RegionLoaded(Scene scene)
         {
-            if (m_Enabled && !m_Initialized)
+            if (!m_Enabled)
+                return;
+
+            if (!m_Initialized)
             {
                 m_HypergridServiceConnector = new HypergridServiceConnector(scene.AssetService);
                 m_Initialized = true;
             }
+
+            HGCommands hgCommands = new HGCommands(this, scene);
+            scene.AddCommand("HG", "link-region",
+                "link-region <Xloc> <Yloc> <HostName>:<HttpPort>[:<RemoteRegionName>] <cr>",
+                "Link a hypergrid region", hgCommands.RunCommand);
+            scene.AddCommand("HG", "unlink-region",
+                "unlink-region <local name> or <HostName>:<HttpPort> <cr>",
+                "Unlink a hypergrid region", hgCommands.RunCommand);
+            scene.AddCommand("HG", "link-mapping", "link-mapping [<x> <y>] <cr>",
+                "Set local coordinate to map HG regions to", hgCommands.RunCommand);
+
         }
 
         #endregion
@@ -305,6 +324,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
 
         #endregion
 
+        #region Auxiliary
+
         private void AddHyperlinkRegion(SimpleRegionInfo regionInfo, ulong regionHandle)
         {
             m_HyperlinkRegions.Add(regionInfo.RegionID, regionInfo);
@@ -334,6 +355,194 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
             }
             m_HyperlinkHandles.Remove(regionID);
         }
+        #endregion
+
+        #region Hyperlinks
+
+        private static Random random = new Random();
+
+        public SimpleRegionInfo TryLinkRegionToCoords(Scene m_scene, IClientAPI client, string mapName, uint xloc, uint yloc)
+        {
+            string host = "127.0.0.1";
+            string portstr;
+            string regionName = "";
+            uint port = 9000;
+            string[] parts = mapName.Split(new char[] { ':' });
+            if (parts.Length >= 1)
+            {
+                host = parts[0];
+            }
+            if (parts.Length >= 2)
+            {
+                portstr = parts[1];
+                if (!UInt32.TryParse(portstr, out port))
+                    regionName = parts[1];
+            }
+            // always take the last one
+            if (parts.Length >= 3)
+            {
+                regionName = parts[2];
+            }
+
+            // Sanity check. Don't ever link to this sim.
+            IPAddress ipaddr = null;
+            try
+            {
+                ipaddr = Util.GetHostFromDNS(host);
+            }
+            catch { }
+
+            if ((ipaddr != null) &&
+                !((m_scene.RegionInfo.ExternalEndPoint.Address.Equals(ipaddr)) && (m_scene.RegionInfo.HttpPort == port)))
+            {
+                SimpleRegionInfo regInfo;
+                bool success = TryCreateLink(m_scene, client, xloc, yloc, regionName, port, host, out regInfo);
+                if (success)
+                {
+                    regInfo.RegionName = mapName;
+                    return regInfo;
+                }
+            }
+
+            return null;
+        }
+
+        public SimpleRegionInfo TryLinkRegion(Scene m_scene, IClientAPI client, string mapName)
+        {
+            uint xloc = (uint)(random.Next(0, Int16.MaxValue));
+            return TryLinkRegionToCoords(m_scene, client, mapName, xloc, 0);
+        }
+
+        public bool TryCreateLink(Scene m_scene, IClientAPI client, uint xloc, uint yloc,
+            string externalRegionName, uint externalPort, string externalHostName, out SimpleRegionInfo regInfo)
+        {
+            m_log.DebugFormat("[HGrid]: Link to {0}:{1}, in {2}-{3}", externalHostName, externalPort, xloc, yloc);
+
+            regInfo = new SimpleRegionInfo();
+            regInfo.RegionName = externalRegionName;
+            regInfo.HttpPort = externalPort;
+            regInfo.ExternalHostName = externalHostName;
+            regInfo.RegionLocX = xloc;
+            regInfo.RegionLocY = yloc;
+
+            try
+            {
+                regInfo.InternalEndPoint = new IPEndPoint(IPAddress.Parse("0.0.0.0"), (int)0);
+            }
+            catch (Exception e)
+            {
+                m_log.Warn("[HGrid]: Wrong format for link-region: " + e.Message);
+                return false;
+            }
+
+            // Finally, link it
+            try
+            {
+                RegisterRegion(UUID.Zero, regInfo);
+            }
+            catch (Exception e)
+            {
+                m_log.Warn("[HGrid]: Unable to link region: " + e.Message);
+                return false;
+            }
+
+            uint x, y;
+            if (!Check4096(m_scene, regInfo, out x, out y))
+            {
+                DeregisterRegion(regInfo.RegionID);
+                if (client != null)
+                    client.SendAlertMessage("Region is too far (" + x + ", " + y + ")");
+                m_log.Info("[HGrid]: Unable to link, region is too far (" + x + ", " + y + ")");
+                return false;
+            }
+
+            if (!CheckCoords(m_scene.RegionInfo.RegionLocX, m_scene.RegionInfo.RegionLocY, x, y))
+            {
+                DeregisterRegion(regInfo.RegionID);
+                if (client != null)
+                    client.SendAlertMessage("Region has incompatible coordinates (" + x + ", " + y + ")");
+                m_log.Info("[HGrid]: Unable to link, region has incompatible coordinates (" + x + ", " + y + ")");
+                return false;
+            }
+
+            m_log.Debug("[HGrid]: link region succeeded");
+            return true;
+        }
+
+        public bool TryUnlinkRegion(Scene m_scene, string mapName)
+        {
+            SimpleRegionInfo regInfo = null;
+            if (mapName.Contains(":"))
+            {
+                string host = "127.0.0.1";
+                //string portstr;
+                //string regionName = "";
+                uint port = 9000;
+                string[] parts = mapName.Split(new char[] { ':' });
+                if (parts.Length >= 1)
+                {
+                    host = parts[0];
+                }
+                //                if (parts.Length >= 2)
+                //                {
+                //                    portstr = parts[1];
+                //                    if (!UInt32.TryParse(portstr, out port))
+                //                        regionName = parts[1];
+                //                }
+                // always take the last one
+                //                if (parts.Length >= 3)
+                //                {
+                //                    regionName = parts[2];
+                //                }
+                foreach (SimpleRegionInfo r in m_HyperlinkRegions.Values)
+                    if (host.Equals(r.ExternalHostName) && (port == r.HttpPort))
+                        regInfo = r;
+            }
+            else
+            {
+                foreach (SimpleRegionInfo r in m_HyperlinkRegions.Values)
+                    if (r.RegionName.Equals(mapName))
+                        regInfo = r;
+            }
+            if (regInfo != null)
+            {
+                return DeregisterRegion(regInfo.RegionID);
+            }
+            else
+            {
+                m_log.InfoFormat("[HGrid]: Region {0} not found", mapName);
+                return false;
+            }
+        }
+
+        /// <summary>
+        /// Cope with this viewer limitation.
+        /// </summary>
+        /// <param name="regInfo"></param>
+        /// <returns></returns>
+        public bool Check4096(Scene m_scene, SimpleRegionInfo regInfo, out uint x, out uint y)
+        {
+            ulong realHandle = m_HyperlinkHandles[regInfo.RegionID];
+            Utils.LongToUInts(realHandle, out x, out y);
+            x = x / Constants.RegionSize;
+            y = y / Constants.RegionSize;
+
+            if ((Math.Abs((int)m_scene.RegionInfo.RegionLocX - (int)x) >= 4096) ||
+                (Math.Abs((int)m_scene.RegionInfo.RegionLocY - (int)y) >= 4096))
+            {
+                return false;
+            }
+            return true;
+        }
+
+        public bool CheckCoords(uint thisx, uint thisy, uint x, uint y)
+        {
+            if ((thisx == x) && (thisy == y))
+                return false;
+            return true;
+        }
+
+        #endregion
 
     }
 }
diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/RemoteGridServiceConnector.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/RemoteGridServiceConnector.cs
index 22b1015..8526653 100644
--- a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/RemoteGridServiceConnector.cs
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/RemoteGridServiceConnector.cs
@@ -30,6 +30,8 @@ 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;
@@ -47,9 +49,11 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
 
         private bool m_Enabled = false;
 
+        private IGridService m_LocalGridService;
+
         public RemoteGridServicesConnector(IConfigSource source)
         {
-            InitialiseService(source);
+            InitialiseServices(source);
         }
 
         #region ISharedRegionmodule
@@ -72,14 +76,14 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
                 string name = moduleConfig.GetString("GridServices", "");
                 if (name == Name)
                 {
-                    InitialiseService(source);
+                    InitialiseServices(source);
                     m_Enabled = true;
                     m_log.Info("[REMOTE GRID CONNECTOR]: Remote grid enabled");
                 }
             }
         }
 
-        private void InitialiseService(IConfigSource source)
+        private void InitialiseServices(IConfigSource source)
         {
             IConfig gridConfig = source.Configs["GridService"];
             if (gridConfig == null)
@@ -89,6 +93,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
             }
 
             base.Initialise(source);
+
+            m_LocalGridService = new LocalGridServicesConnector(source);
         }
 
         public void PostInitialise()
@@ -116,5 +122,57 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
         }
 
         #endregion
+
+        #region IGridService
+
+        public override bool RegisterRegion(UUID scopeID, SimpleRegionInfo 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 not override GetNeighbours -- let's get them all from the grid server
+
+        public override SimpleRegionInfo GetRegionByUUID(UUID scopeID, UUID regionID)
+        {
+            SimpleRegionInfo rinfo = m_LocalGridService.GetRegionByUUID(scopeID, regionID);
+            if (rinfo == null)
+                rinfo = base.GetRegionByUUID(scopeID, regionID);
+
+            return rinfo;
+        }
+
+        public override SimpleRegionInfo GetRegionByPosition(UUID scopeID, int x, int y)
+        {
+            SimpleRegionInfo rinfo = m_LocalGridService.GetRegionByPosition(scopeID, x, y);
+            if (rinfo == null)
+                rinfo = base.GetRegionByPosition(scopeID, x, y);
+
+            return rinfo;
+        }
+
+        public override SimpleRegionInfo GetRegionByName(UUID scopeID, string regionName)
+        {
+            SimpleRegionInfo 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
     }
 }
diff --git a/OpenSim/Server/Handlers/Grid/HypergridServerConnector.cs b/OpenSim/Server/Handlers/Grid/HypergridServerConnector.cs
new file mode 100644
index 0000000..b8d9c7d
--- /dev/null
+++ b/OpenSim/Server/Handlers/Grid/HypergridServerConnector.cs
@@ -0,0 +1,112 @@
+/*
+ * 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;
+using System.Collections.Generic;
+using System.Reflection;
+using System.Net;
+using Nini.Config;
+using OpenSim.Framework;
+using OpenSim.Server.Base;
+using OpenSim.Services.Interfaces;
+using OpenSim.Framework.Servers.HttpServer;
+using OpenSim.Server.Handlers.Base;
+
+using log4net;
+using Nwc.XmlRpc;
+
+namespace OpenSim.Server.Handlers.Grid
+{
+    public class HypergridServiceInConnector : ServiceConnector
+    {
+        private static readonly ILog m_log =
+                LogManager.GetLogger(
+                MethodBase.GetCurrentMethod().DeclaringType);
+
+        private List<SimpleRegionInfo> m_RegionsOnSim = new List<SimpleRegionInfo>();
+
+        public HypergridServiceInConnector(IConfigSource config, IHttpServer server) :
+                base(config, server)
+        {
+            server.AddXmlRPCHandler("link_region", LinkRegionRequest, false);
+        }
+
+        /// <summary>
+        /// Someone wants to link to us
+        /// </summary>
+        /// <param name="request"></param>
+        /// <returns></returns>
+        public XmlRpcResponse LinkRegionRequest(XmlRpcRequest request, IPEndPoint remoteClient)
+        {
+            Hashtable requestData = (Hashtable)request.Params[0];
+            //string host = (string)requestData["host"];
+            //string portstr = (string)requestData["port"];
+            string name = (string)requestData["region_name"];
+
+            m_log.DebugFormat("[HGrid]: Hyperlink request");
+
+            SimpleRegionInfo regInfo = null;
+            foreach (SimpleRegionInfo r in m_RegionsOnSim)
+            {
+                if ((r.RegionName != null) && (name != null) && (r.RegionName.ToLower() == name.ToLower()))
+                {
+                    regInfo = r;
+                    break;
+                }
+            }
+
+            if (regInfo == null)
+                regInfo = m_RegionsOnSim[0]; // Send out the first region
+
+            Hashtable hash = new Hashtable();
+            hash["uuid"] = regInfo.RegionID.ToString();
+            hash["handle"] = regInfo.RegionHandle.ToString();
+            //m_log.Debug(">> Here " + regInfo.RegionHandle);
+            //hash["region_image"] = regInfo.RegionSettings.TerrainImageID.ToString();
+            hash["region_name"] = regInfo.RegionName;
+            hash["internal_port"] = regInfo.InternalEndPoint.Port.ToString();
+            //m_log.Debug(">> Here: " + regInfo.InternalEndPoint.Port);
+
+
+            XmlRpcResponse response = new XmlRpcResponse();
+            response.Value = hash;
+            return response;
+        }
+
+        public void AddRegion(SimpleRegionInfo rinfo)
+        {
+            m_RegionsOnSim.Add(rinfo);
+        }
+
+        public void RemoveRegion(SimpleRegionInfo rinfo)
+        {
+            if (m_RegionsOnSim.Contains(rinfo))
+                m_RegionsOnSim.Remove(rinfo);
+        }
+    }
+}
diff --git a/OpenSim/Services/Connectors/Grid/GridServiceConnector.cs b/OpenSim/Services/Connectors/Grid/GridServiceConnector.cs
index ae7db7e..1962bcf 100644
--- a/OpenSim/Services/Connectors/Grid/GridServiceConnector.cs
+++ b/OpenSim/Services/Connectors/Grid/GridServiceConnector.cs
@@ -85,7 +85,7 @@ namespace OpenSim.Services.Connectors
 
         #region IGridService
 
-        public bool RegisterRegion(UUID scopeID, SimpleRegionInfo regionInfo)
+        public virtual bool RegisterRegion(UUID scopeID, SimpleRegionInfo regionInfo)
         {
             Dictionary<string, object> rinfo = regionInfo.ToKeyValuePairs();
             Dictionary<string, string> sendData = new Dictionary<string,string>();
@@ -108,7 +108,7 @@ namespace OpenSim.Services.Connectors
             return false;
         }
 
-        public bool DeregisterRegion(UUID regionID)
+        public virtual bool DeregisterRegion(UUID regionID)
         {
             Dictionary<string, string> sendData = new Dictionary<string, string>();
 
@@ -128,7 +128,7 @@ namespace OpenSim.Services.Connectors
             return false;
         }
 
-        public List<SimpleRegionInfo> GetNeighbours(UUID scopeID, UUID regionID)
+        public virtual List<SimpleRegionInfo> GetNeighbours(UUID scopeID, UUID regionID)
         {
             Dictionary<string, string> sendData = new Dictionary<string, string>();
 
@@ -166,7 +166,7 @@ namespace OpenSim.Services.Connectors
             return rinfos;
         }
 
-        public SimpleRegionInfo GetRegionByUUID(UUID scopeID, UUID regionID)
+        public virtual SimpleRegionInfo GetRegionByUUID(UUID scopeID, UUID regionID)
         {
             Dictionary<string, string> sendData = new Dictionary<string, string>();
 
@@ -197,7 +197,7 @@ namespace OpenSim.Services.Connectors
             return rinfo;
         }
 
-        public SimpleRegionInfo GetRegionByPosition(UUID scopeID, int x, int y)
+        public virtual SimpleRegionInfo GetRegionByPosition(UUID scopeID, int x, int y)
         {
             Dictionary<string, string> sendData = new Dictionary<string, string>();
 
@@ -229,7 +229,7 @@ namespace OpenSim.Services.Connectors
             return rinfo;
         }
 
-        public SimpleRegionInfo GetRegionByName(UUID scopeID, string regionName)
+        public virtual SimpleRegionInfo GetRegionByName(UUID scopeID, string regionName)
         {
             Dictionary<string, string> sendData = new Dictionary<string, string>();
 
@@ -260,7 +260,7 @@ namespace OpenSim.Services.Connectors
             return rinfo;
         }
 
-        public List<SimpleRegionInfo> GetRegionsByName(UUID scopeID, string name, int maxNumber)
+        public virtual List<SimpleRegionInfo> GetRegionsByName(UUID scopeID, string name, int maxNumber)
         {
             Dictionary<string, string> sendData = new Dictionary<string, string>();
 
@@ -299,7 +299,7 @@ namespace OpenSim.Services.Connectors
             return rinfos;
         }
 
-        public List<SimpleRegionInfo> GetRegionRange(UUID scopeID, int xmin, int xmax, int ymin, int ymax)
+        public virtual List<SimpleRegionInfo> GetRegionRange(UUID scopeID, int xmin, int xmax, int ymin, int ymax)
         {
             Dictionary<string, string> sendData = new Dictionary<string, string>();