6 files changed, 162 insertions, 0 deletions

diff --git a/OpenSim/Framework/Communications/IGridServices.cs b/OpenSim/Framework/Communications/IGridServices.cs
index 69e8756..fa4d8d0 100644
--- a/OpenSim/Framework/Communications/IGridServices.cs
+++ b/OpenSim/Framework/Communications/IGridServices.cs
@@ -65,6 +65,9 @@ namespace OpenSim.Framework.Communications
 
         RegionInfo RequestNeighbourInfo(ulong regionHandle);
         RegionInfo RequestNeighbourInfo(UUID regionID);
+        RegionInfo RequestNeighbourInfo(string name);
+        RegionInfo RequestNeighbourInfo(string host, uint port);
+
         RegionInfo RequestClosestRegion(string regionName);
         Dictionary<string, string> GetGridSettings();
         List<MapBlockData> RequestNeighbourMapBlocks(int minX, int minY, int maxX, int maxY);
diff --git a/OpenSim/Region/Application/HGOpenSimNode.cs b/OpenSim/Region/Application/HGOpenSimNode.cs
index 6e7f1c5..f4f3062 100644
--- a/OpenSim/Region/Application/HGOpenSimNode.cs
+++ b/OpenSim/Region/Application/HGOpenSimNode.cs
@@ -69,6 +69,9 @@ namespace OpenSim
             MainConsole.Instance.Commands.AddCommand("hypergrid", false, "link-region",
                                                      "link-region <Xloc> <Yloc> <HostName>:<HttpPort>[:<RemoteRegionName>] <cr>",
                                                      "Link a hypergrid region", RunCommand);
+            MainConsole.Instance.Commands.AddCommand("hypergrid", false, "unlink-region",
+                                                     "unlink-region <local name> or <HostName>:<HttpPort> <cr>",
+                                                     "Unlink a hypergrid region", RunCommand);
         }
 
         protected override Scene CreateScene(RegionInfo regionInfo, StorageManager storageManager,
@@ -188,6 +191,18 @@ namespace OpenSim
                 }
                 return;
             }
+            else if (command.Equals("unlink-region"))
+            {
+                if (cmdparams.Count < 1)
+                {
+                    UnlinkRegionCmdUsage();
+                    return;
+                }
+                if (HGHyperlink.TryUnlinkRegion(m_sceneManager.CurrentOrFirstScene, 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(List<string> cmdparams)
@@ -279,5 +294,12 @@ namespace OpenSim
             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>");
+        }
+
     }
 }
\ No newline at end of file
diff --git a/OpenSim/Region/Communications/Hypergrid/HGGridServices.cs b/OpenSim/Region/Communications/Hypergrid/HGGridServices.cs
index 4493591..5b3343a 100644
--- a/OpenSim/Region/Communications/Hypergrid/HGGridServices.cs
+++ b/OpenSim/Region/Communications/Hypergrid/HGGridServices.cs
@@ -258,6 +258,47 @@ namespace OpenSim.Region.Communications.Hypergrid
             return null;
         }
 
+        public virtual RegionInfo RequestNeighbourInfo(string name)
+        {
+            foreach (RegionInfo info in m_hyperlinkRegions)
+            {
+                //m_log.Debug("    .. " + info.RegionHandle);
+                if (info.RegionName == name) return info;
+            }
+
+            foreach (RegionInfo info in m_knownRegions.Values)
+            {
+                if (info.RegionName == name)
+                {
+                    //m_log.Debug("XXX------ known region " + info.RegionHandle);
+                    return info;
+                }
+            }
+
+            return null;
+        }
+
+        public virtual RegionInfo RequestNeighbourInfo(string hostName, uint port)
+        {
+            foreach (RegionInfo info in m_hyperlinkRegions)
+            {
+                //m_log.Debug("    .. " + info.RegionHandle);
+                if ((info.ExternalHostName == hostName) && (info.HttpPort == port))
+                    return info;
+            }
+
+            foreach (RegionInfo info in m_knownRegions.Values)
+            {
+                if ((info.ExternalHostName == hostName) && (info.HttpPort == port))
+                {
+                    //m_log.Debug("XXX------ known region " + info.RegionHandle);
+                    return info;
+                }
+            }
+
+            return null;
+        }
+
         public virtual RegionInfo RequestClosestRegion(string regionName)
         {
             foreach (RegionInfo info in m_hyperlinkRegions)
diff --git a/OpenSim/Region/Communications/Local/LocalBackEndServices.cs b/OpenSim/Region/Communications/Local/LocalBackEndServices.cs
index 33bc2fa..c52f825 100644
--- a/OpenSim/Region/Communications/Local/LocalBackEndServices.cs
+++ b/OpenSim/Region/Communications/Local/LocalBackEndServices.cs
@@ -199,6 +199,38 @@ namespace OpenSim.Region.Communications.Local
         }
 
         /// <summary>
+        /// Get information about a neighbouring region
+        /// </summary>
+        /// <param name="regionHandle"></param>
+        /// <returns></returns>
+        public RegionInfo RequestNeighbourInfo(string name)
+        {
+            foreach (RegionInfo info in m_regions.Values)
+            {
+                if (info.RegionName == name)
+                    return info;
+            }
+
+            return null;
+        }
+
+        /// <summary>
+        /// Get information about a neighbouring region
+        /// </summary>
+        /// <param name="regionHandle"></param>
+        /// <returns></returns>
+        public RegionInfo RequestNeighbourInfo(string host, uint port)
+        {
+            foreach (RegionInfo info in m_regions.Values)
+            {
+                if ((info.ExternalHostName == host) && (info.HttpPort == port))
+                    return info;
+            }
+
+            return null;
+        }
+
+        /// <summary>
         /// Get information about the closet region given a region name.
         /// </summary>
         /// <param name="regionName"></param>
diff --git a/OpenSim/Region/Communications/OGS1/OGS1GridServices.cs b/OpenSim/Region/Communications/OGS1/OGS1GridServices.cs
index a397093..f47abe8 100644
--- a/OpenSim/Region/Communications/OGS1/OGS1GridServices.cs
+++ b/OpenSim/Region/Communications/OGS1/OGS1GridServices.cs
@@ -445,6 +445,28 @@ namespace OpenSim.Region.Communications.OGS1
             return regionInfo;
         }
 
+        /// <summary>
+        /// Get information about a neighbouring region
+        /// </summary>
+        /// <param name="regionHandle"></param>
+        /// <returns></returns>
+        public RegionInfo RequestNeighbourInfo(string name)
+        {
+            // Not implemented yet
+            return null;
+        }
+
+        /// <summary>
+        /// Get information about a neighbouring region
+        /// </summary>
+        /// <param name="regionHandle"></param>
+        /// <returns></returns>
+        public RegionInfo RequestNeighbourInfo(string host, uint port)
+        {
+            // Not implemented yet
+            return null;
+        }
+
         public RegionInfo RequestClosestRegion(string regionName)
         {
             foreach (RegionInfo ri in m_remoteRegionInfoCache.Values)
diff --git a/OpenSim/Region/Framework/Scenes/Hypergrid/HGHyperlink.cs b/OpenSim/Region/Framework/Scenes/Hypergrid/HGHyperlink.cs
index ad98273..e05b001 100644
--- a/OpenSim/Region/Framework/Scenes/Hypergrid/HGHyperlink.cs
+++ b/OpenSim/Region/Framework/Scenes/Hypergrid/HGHyperlink.cs
@@ -149,6 +149,48 @@ namespace OpenSim.Region.Framework.Scenes.Hypergrid
             return true;
         }
 
+        public static bool TryUnlinkRegion(Scene m_scene, string mapName)
+        {
+            RegionInfo 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];
+                }
+                regInfo = m_scene.CommsManager.GridService.RequestNeighbourInfo(host, port);
+            }
+            else
+            {
+                regInfo = m_scene.CommsManager.GridService.RequestNeighbourInfo(mapName);
+            }
+            if (regInfo != null)
+            {
+                return m_scene.CommsManager.GridService.DeregisterRegion(regInfo);
+            }
+            else
+            {
+                m_log.InfoFormat("[HGrid]: Region {0} not found", mapName);
+                return false;
+            }
+        }
+
         /// <summary>
         /// Cope with this viewer limitation.
         /// </summary>