Moved all HG1 operations to HGGridConnector.cs and HypergridServerConnector.cs/HypergridServiceConnector.cs, away from Region.Communications and HGNetworkServersInfo.

Fixed small bugs with hyperlinked regions' map positions.

14 files changed, 537 insertions, 100 deletions

diff --git a/OpenSim/ApplicationPlugins/CreateCommsManager/CreateCommsManagerPlugin.cs b/OpenSim/ApplicationPlugins/CreateCommsManager/CreateCommsManagerPlugin.cs
index 6a66116..18641f1 100644
--- a/OpenSim/ApplicationPlugins/CreateCommsManager/CreateCommsManagerPlugin.cs
+++ b/OpenSim/ApplicationPlugins/CreateCommsManager/CreateCommsManagerPlugin.cs
@@ -144,7 +144,6 @@ namespace OpenSim.ApplicationPlugins.CreateCommsManager
                 // We are in grid mode
                 InitialiseHGGridServices(libraryRootFolder);
             }
-            HGCommands.HGServices = HGServices;
         }
 
         protected void InitialiseStandardServices(LibraryRootFolder libraryRootFolder)
diff --git a/OpenSim/Framework/Util.cs b/OpenSim/Framework/Util.cs
index 45b5a10..a28a617 100644
--- a/OpenSim/Framework/Util.cs
+++ b/OpenSim/Framework/Util.cs
@@ -1203,6 +1203,32 @@ namespace OpenSim.Framework
             return found.ToArray();
         }
 
+        public static string ServerURI(string uri)
+        {
+            if (uri == string.Empty)
+                return string.Empty;
+
+            // Get rid of eventual slashes at the end
+            uri = uri.TrimEnd('/');
+
+            IPAddress ipaddr1 = null;
+            string port1 = "";
+            try
+            {
+                ipaddr1 = Util.GetHostFromURL(uri);
+            }
+            catch { }
+
+            try
+            {
+                port1 = uri.Split(new char[] { ':' })[2];
+            }
+            catch { }
+
+            // We tried our best to convert the domain names to IP addresses
+            return (ipaddr1 != null) ? "http://" + ipaddr1.ToString() + ":" + port1 : uri;
+        }
+
         #region FireAndForget Threading Pattern
 
         public static void FireAndForget(System.Threading.WaitCallback callback)
diff --git a/OpenSim/Region/Application/HGCommands.cs b/OpenSim/Region/Application/HGCommands.cs
index f99c1a5..f503db7 100644
--- a/OpenSim/Region/Application/HGCommands.cs
+++ b/OpenSim/Region/Application/HGCommands.cs
@@ -43,12 +43,11 @@ namespace OpenSim
     public class HGCommands
     {
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
-        public static IHyperlink HGServices = null;
 
         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);
+            HGSceneCommunicationService sceneGridService = new HGSceneCommunicationService(m_commsManager);
 
             return
                 new HGScene(
diff --git a/OpenSim/Region/Communications/Hypergrid/HGGridServices.cs b/OpenSim/Region/Communications/Hypergrid/HGGridServices.cs
index 54cde0f..85bfab4 100644
--- a/OpenSim/Region/Communications/Hypergrid/HGGridServices.cs
+++ b/OpenSim/Region/Communications/Hypergrid/HGGridServices.cs
@@ -596,16 +596,16 @@ namespace OpenSim.Region.Communications.Hypergrid
                 //m_log.Debug("  >> " + loginParams["region_uuid"] + " <<");
                 //m_log.Debug("  --------- ---------------- -------");
 
-                string serverURI = "";
-                if (u.UserProfile is ForeignUserProfileData)
-                    serverURI = HGNetworkServersInfo.ServerURI(((ForeignUserProfileData)u.UserProfile).UserServerURI);
-                loginParams["userserver_id"] = (serverURI == "") || (serverURI == null) ? HGNetworkServersInfo.Singleton.LocalUserServerURI : serverURI;
+                //string serverURI = "";
+                //if (u.UserProfile is ForeignUserProfileData)
+                //    serverURI = Util.ServerURI(((ForeignUserProfileData)u.UserProfile).UserServerURI);
+                //loginParams["userserver_id"] = (serverURI == "") || (serverURI == null) ? HGNetworkServersInfo.Singleton.LocalUserServerURI : serverURI;
 
-                serverURI = HGNetworkServersInfo.ServerURI(u.UserProfile.UserAssetURI);
-                loginParams["assetserver_id"] = (serverURI == "") || (serverURI == null) ? HGNetworkServersInfo.Singleton.LocalAssetServerURI : serverURI;
+                //serverURI = HGNetworkServersInfo.ServerURI(u.UserProfile.UserAssetURI);
+                //loginParams["assetserver_id"] = (serverURI == "") || (serverURI == null) ? HGNetworkServersInfo.Singleton.LocalAssetServerURI : serverURI;
 
-                serverURI = HGNetworkServersInfo.ServerURI(u.UserProfile.UserInventoryURI);
-                loginParams["inventoryserver_id"] = (serverURI == "") || (serverURI == null) ? HGNetworkServersInfo.Singleton.LocalInventoryServerURI : serverURI;
+                //serverURI = HGNetworkServersInfo.ServerURI(u.UserProfile.UserInventoryURI);
+                //loginParams["inventoryserver_id"] = (serverURI == "") || (serverURI == null) ? HGNetworkServersInfo.Singleton.LocalInventoryServerURI : serverURI;
 
                 loginParams["root_folder_id"] = u.UserProfile.RootInventoryFolderID;
 
@@ -949,33 +949,35 @@ namespace OpenSim.Region.Communications.Hypergrid
 
         protected bool IsComingHome(ForeignUserProfileData userData)
         {
-            return (userData.UserServerURI == HGNetworkServersInfo.Singleton.LocalUserServerURI);
+            return false; //(userData.UserServerURI == HGNetworkServersInfo.Singleton.LocalUserServerURI);
         }
 
         protected bool IsGoingHome(CachedUserInfo uinfo, RegionInfo rinfo)
         {
-            if (uinfo.UserProfile == null)
-                return false;
+            return false;
+            //if (uinfo.UserProfile == null)
+            //    return false;
 
-            string userUserServerURI = String.Empty;
-            if (uinfo.UserProfile is ForeignUserProfileData)
-            {
-                userUserServerURI = HGNetworkServersInfo.ServerURI(((ForeignUserProfileData)uinfo.UserProfile).UserServerURI);
-            }
+            //string userUserServerURI = String.Empty;
+            //if (uinfo.UserProfile is ForeignUserProfileData)
+            //{
+            //    userUserServerURI = HGNetworkServersInfo.ServerURI(((ForeignUserProfileData)uinfo.UserProfile).UserServerURI);
+            //}
 
-            return ((uinfo.UserProfile.HomeRegionID == rinfo.RegionID) &&
-                    (userUserServerURI != HGNetworkServersInfo.Singleton.LocalUserServerURI));
+            //return ((uinfo.UserProfile.HomeRegionID == rinfo.RegionID) &&
+            //        (userUserServerURI != HGNetworkServersInfo.Singleton.LocalUserServerURI));
         }
 
         protected bool IsLocalUser(CachedUserInfo uinfo)
         {
-            if (uinfo == null)
-                return true;
+            return true;
+            //if (uinfo == null)
+            //    return true;
 
-            if (uinfo.UserProfile is ForeignUserProfileData)
-                return HGNetworkServersInfo.Singleton.IsLocalUser(((ForeignUserProfileData)uinfo.UserProfile).UserServerURI);
-            else
-                return true;
+            //if (uinfo.UserProfile is ForeignUserProfileData)
+            //    return HGNetworkServersInfo.Singleton.IsLocalUser(((ForeignUserProfileData)uinfo.UserProfile).UserServerURI);
+            //else
+            //    return true;
 
         }
 
diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsIn/Grid/HypergridServiceInConnectorModule.cs b/OpenSim/Region/CoreModules/ServiceConnectorsIn/Grid/HypergridServiceInConnectorModule.cs
index 41f96b3..9bf31a4 100644
--- a/OpenSim/Region/CoreModules/ServiceConnectorsIn/Grid/HypergridServiceInConnectorModule.cs
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsIn/Grid/HypergridServiceInConnectorModule.cs
@@ -37,6 +37,7 @@ using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Server.Base;
 using OpenSim.Server.Handlers.Base;
 using OpenSim.Server.Handlers.Grid;
+using OpenSim.Services.Interfaces;
 using GridRegion = OpenSim.Services.Interfaces.GridRegion;
 
 namespace OpenSim.Region.CoreModules.ServiceConnectorsIn.Grid
@@ -95,20 +96,6 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsIn.Grid
             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);
-            }
-
-            GridRegion rinfo = new GridRegion(scene.RegionInfo);
-            m_HypergridHandler.AddRegion(rinfo);
         }
 
         public void RemoveRegion(Scene scene)
@@ -122,6 +109,20 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsIn.Grid
 
         public void RegionLoaded(Scene scene)
         {
+            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, scene.RequestModuleInterface<IHyperlinkService>());
+                //ServerUtils.LoadPlugin<HypergridServiceInConnector>("OpenSim.Server.Handlers.dll:HypergridServiceInConnector", args);
+            }
+
+            GridRegion rinfo = new GridRegion(scene.RegionInfo);
+            m_HypergridHandler.AddRegion(rinfo);
         }
 
         #endregion
diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/HGGridConnector.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/HGGridConnector.cs
index 0bb4206..52db400 100644
--- a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/HGGridConnector.cs
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/HGGridConnector.cs
@@ -31,6 +31,7 @@ using System.Net;
 using System.Reflection;
 using System.Xml;
 
+using OpenSim.Framework.Communications.Cache;
 using OpenSim.Framework;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
@@ -52,10 +53,14 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
         private static readonly ILog m_log =
                 LogManager.GetLogger(
                 MethodBase.GetCurrentMethod().DeclaringType);
+        private static string LocalAssetServerURI, LocalInventoryServerURI, LocalUserServerURI;
 
         private bool m_Enabled = false;
         private bool m_Initialized = false;
 
+        private Scene m_aScene;
+        private Dictionary<ulong, Scene> m_LocalScenes = new Dictionary<ulong, Scene>();
+
         private IGridService m_GridServiceConnector;
         private HypergridServiceConnector m_HypergridServiceConnector;
 
@@ -141,6 +146,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
             if (!m_Enabled)
                 return;
 
+            m_LocalScenes[scene.RegionInfo.RegionHandle] = scene;
             scene.RegisterModuleInterface<IGridService>(this);
             scene.RegisterModuleInterface<IHyperlinkService>(this);
 
@@ -148,6 +154,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
 
         public void RemoveRegion(Scene scene)
         {
+            m_LocalScenes.Remove(scene.RegionInfo.RegionHandle);
         }
 
         public void RegionLoaded(Scene scene)
@@ -157,7 +164,13 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
 
             if (!m_Initialized)
             {
+                m_aScene = scene;
+                LocalAssetServerURI = m_aScene.CommsManager.NetworkServersInfo.UserURL;
+                LocalInventoryServerURI = m_aScene.CommsManager.NetworkServersInfo.InventoryURL;
+                LocalUserServerURI = m_aScene.CommsManager.NetworkServersInfo.UserURL;
+
                 m_HypergridServiceConnector = new HypergridServiceConnector(scene.AssetService);
+
                 HGCommands hgCommands = new HGCommands(this, scene);
                 MainConsole.Instance.Commands.AddCommand("HGGridServicesConnector", false, "link-region",
                     "link-region <Xloc> <Yloc> <HostName>:<HttpPort>[:<RemoteRegionName>] <cr>",
@@ -167,6 +180,10 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
                     "Unlink a hypergrid region", hgCommands.RunCommand);
                 MainConsole.Instance.Commands.AddCommand("HGGridServicesConnector", false, "link-mapping", "link-mapping [<x> <y>] <cr>",
                     "Set local coordinate to map HG regions to", hgCommands.RunCommand);
+
+                // Yikes!! Remove this as soon as user services get refactored
+                HGNetworkServersInfo.Init(LocalAssetServerURI, LocalInventoryServerURI, LocalUserServerURI);
+
                 m_Initialized = true;
             }
         }
@@ -240,7 +257,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
             // Try the foreign users home collection
             foreach (GridRegion r in m_knownRegions.Values)
                 if (r.RegionID == regionID)
-                    return m_knownRegions[regionID];
+                    return r;
 
             // Finally, try the normal route
             return m_GridServiceConnector.GetRegionByUUID(scopeID, regionID);
@@ -261,7 +278,9 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
             foreach (GridRegion r in m_knownRegions.Values)
             {
                 if ((r.RegionLocX == snapX) && (r.RegionLocY == snapY))
+                {
                     return r;
+                }
             }
 
             // Finally, try the normal route
@@ -328,8 +347,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
 
         private void AddHyperlinkRegion(GridRegion regionInfo, ulong regionHandle)
         {
-            m_HyperlinkRegions.Add(regionInfo.RegionID, regionInfo);
-            m_HyperlinkHandles.Add(regionInfo.RegionID, regionHandle);
+            m_HyperlinkRegions[regionInfo.RegionID] = regionInfo;
+            m_HyperlinkHandles[regionInfo.RegionID] = regionHandle;
         }
 
         private void RemoveHyperlinkRegion(UUID regionID)
@@ -340,8 +359,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
 
         private void AddHyperlinkHomeRegion(UUID userID, GridRegion regionInfo, ulong regionHandle)
         {
-            m_knownRegions.Add(userID, regionInfo);
-            m_HyperlinkHandles.Add(regionInfo.RegionID, regionHandle);
+            m_knownRegions[userID] = regionInfo;
+            m_HyperlinkHandles[regionInfo.RegionID] = regionHandle;
         }
 
         private void RemoveHyperlinkHomeRegion(UUID regionID)
@@ -412,7 +431,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
         // From the map search and secondlife://blah
         public GridRegion TryLinkRegion(Scene m_scene, IClientAPI client, string mapName)
         {
-            int xloc = random.Next(0, Int16.MaxValue);
+            int xloc = random.Next(0, Int16.MaxValue) * (int) Constants.RegionSize;
             return TryLinkRegionToCoords(m_scene, client, mapName, xloc, 0);
         }
 
@@ -563,10 +582,206 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
             foreach (GridRegion r in m_HyperlinkRegions.Values)
                 if ((r.RegionHandle == handle) && (m_HyperlinkHandles.ContainsKey(r.RegionID)))
                     return m_HyperlinkHandles[r.RegionID];
+
+            foreach (GridRegion r in m_knownRegions.Values)
+                if ((r.RegionHandle == handle) && (m_HyperlinkHandles.ContainsKey(r.RegionID)))
+                    return m_HyperlinkHandles[r.RegionID];
+
             return handle;
         }
 
+        public bool SendUserInformation(GridRegion regInfo, AgentCircuitData agentData)
+        {
+            CachedUserInfo uinfo = m_aScene.CommsManager.UserProfileCacheService.GetUserDetails(agentData.AgentID);
+
+            if ((IsLocalUser(uinfo) && (GetHyperlinkRegion(regInfo.RegionHandle) != null)) ||
+                (!IsLocalUser(uinfo) && !IsGoingHome(uinfo, regInfo)))
+            {
+                m_log.Info("[HGrid]: Local user is going to foreign region or foreign user is going elsewhere");
+
+                // Set the position of the region on the remote grid
+                ulong realHandle = FindRegionHandle(regInfo.RegionHandle);
+                uint x = 0, y = 0;
+                Utils.LongToUInts(regInfo.RegionHandle, out x, out y);
+                GridRegion clonedRegion = new GridRegion(regInfo);
+                clonedRegion.RegionLocX = (int)x;
+                clonedRegion.RegionLocY = (int)y;
+
+                // Get the user's home region information
+                GridRegion home = m_aScene.GridService.GetRegionByUUID(m_aScene.RegionInfo.ScopeID, uinfo.UserProfile.HomeRegionID);
+
+                // Get the user's service URLs
+                string serverURI = "";
+                if (uinfo.UserProfile is ForeignUserProfileData)
+                    serverURI = Util.ServerURI(((ForeignUserProfileData)uinfo.UserProfile).UserServerURI);
+                string userServer = (serverURI == "") || (serverURI == null) ? LocalUserServerURI : serverURI;
+
+                string assetServer = Util.ServerURI(uinfo.UserProfile.UserAssetURI);
+                if ((assetServer == null) || (assetServer == ""))
+                    assetServer = LocalAssetServerURI;
+
+                string inventoryServer = Util.ServerURI(uinfo.UserProfile.UserInventoryURI);
+                if ((inventoryServer == null) || (inventoryServer == ""))
+                    inventoryServer = LocalInventoryServerURI;
+
+                if (!m_HypergridServiceConnector.InformRegionOfUser(clonedRegion, agentData, home, userServer, assetServer, inventoryServer))
+                {
+                    m_log.Warn("[HGrid]: Could not inform remote region of transferring user.");
+                    return false;
+                }
+            }
+            //if ((uinfo == null) || !IsGoingHome(uinfo, regInfo))
+            //{
+            //    m_log.Info("[HGrid]: User seems to be going to foreign region.");
+            //    if (!InformRegionOfUser(regInfo, agentData))
+            //    {
+            //        m_log.Warn("[HGrid]: Could not inform remote region of transferring user.");
+            //        return false;
+            //    }
+            //}
+            //else
+            //    m_log.Info("[HGrid]: User seems to be going home " + uinfo.UserProfile.FirstName + " " + uinfo.UserProfile.SurName);
+
+            // May need to change agent's name
+            if (IsLocalUser(uinfo) && (GetHyperlinkRegion(regInfo.RegionHandle) != null))
+            {
+                agentData.firstname = agentData.firstname + "." + agentData.lastname;
+                agentData.lastname = "@" + LocalUserServerURI.Replace("http://", ""); ; //HGNetworkServersInfo.Singleton.LocalUserServerURI;
+            }
+
+            return true;
+        }
+
+        public void AdjustUserInformation(AgentCircuitData agentData)
+        {
+            CachedUserInfo uinfo = m_aScene.CommsManager.UserProfileCacheService.GetUserDetails(agentData.AgentID);
+            if ((uinfo != null) && (uinfo.UserProfile != null) &&
+                (IsLocalUser(uinfo) || !(uinfo.UserProfile is ForeignUserProfileData)))
+            {
+                //m_log.Debug("---------------> Local User!");
+                string[] parts = agentData.firstname.Split(new char[] { '.' });
+                if (parts.Length == 2)
+                {
+                    agentData.firstname = parts[0];
+                    agentData.lastname = parts[1];
+                }
+            }
+            //else
+            //    m_log.Debug("---------------> Foreign User!");
+        }
+
+        // Check if a local user exists with the same UUID as the incoming foreign user
+        public bool CheckUserAtEntry(UUID userID, UUID sessionID, out bool comingHome)
+        {
+            comingHome = false;
+            if (!m_aScene.SceneGridService.RegionLoginsEnabled)
+                return false;
+
+            CachedUserInfo uinfo = m_aScene.CommsManager.UserProfileCacheService.GetUserDetails(userID);
+            if (uinfo != null) 
+            {
+                // uh-oh we have a potential intruder
+                if (uinfo.SessionID != sessionID)
+                    // can't have a foreigner with a local UUID
+                    return false;
+                else
+                    // oh, so it's you! welcome back
+                    comingHome = true;
+            }
+
+            // OK, user can come in
+            return true;
+        }
+
+        public void AcceptUser(ForeignUserProfileData user, GridRegion home)
+        {
+            m_aScene.CommsManager.UserProfileCacheService.PreloadUserCache(user);
+            ulong realHandle = home.RegionHandle;
+            // Change the local coordinates
+            // X=0 on the map
+            home.RegionLocX = 0;
+            home.RegionLocY = random.Next(0, 10000) * (int)Constants.RegionSize;
+            
+            AddHyperlinkHomeRegion(user.ID, home, realHandle);
+
+            DumpUserData(user);
+            DumpRegionData(home);
+
+        }
+
+        public bool IsLocalUser(UUID userID)
+        {
+            CachedUserInfo uinfo = m_aScene.CommsManager.UserProfileCacheService.GetUserDetails(userID);
+            return IsLocalUser(uinfo);
+        }
+
         #endregion
 
+        #region IHyperlink Misc
+
+        protected bool IsComingHome(ForeignUserProfileData userData)
+        {
+            return (userData.UserServerURI == LocalUserServerURI);
+        }
+
+        // Is the user going back to the home region or the home grid?
+        protected bool IsGoingHome(CachedUserInfo uinfo, GridRegion rinfo)
+        {
+            if (uinfo.UserProfile == null)
+                return false;
+
+            if (!(uinfo.UserProfile is ForeignUserProfileData))
+                // it's a home user, can't be outside to return home
+                return false;
+
+            // OK, it's a foreign user with a ForeignUserProfileData
+            // and is going back to exactly the home region.
+            // We can't check if it's going back to a non-home region
+            // of the home grid. That will be dealt with in the
+            // receiving end
+            return (uinfo.UserProfile.HomeRegionID == rinfo.RegionID);
+        }
+
+        protected bool IsLocalUser(CachedUserInfo uinfo)
+        {
+            if (uinfo == null)
+                return false;
+
+            return !(uinfo.UserProfile is ForeignUserProfileData);
+
+        }
+
+        protected bool IsLocalRegion(ulong handle)
+        {
+            return m_LocalScenes.ContainsKey(handle);
+        }
+
+        private void DumpUserData(ForeignUserProfileData userData)
+        {
+            m_log.Info(" ------------ User Data Dump ----------");
+            m_log.Info(" >> Name: " + userData.FirstName + " " + userData.SurName);
+            m_log.Info(" >> HomeID: " + userData.HomeRegionID);
+            m_log.Info(" >> UserServer: " + userData.UserServerURI);
+            m_log.Info(" >> InvServer: " + userData.UserInventoryURI);
+            m_log.Info(" >> AssetServer: " + userData.UserAssetURI);
+            m_log.Info(" ------------ -------------- ----------");
+        }
+
+        private void DumpRegionData(GridRegion rinfo)
+        {
+            m_log.Info(" ------------ Region Data Dump ----------");
+            m_log.Info(" >> handle: " + rinfo.RegionHandle);
+            m_log.Info(" >> coords: " + rinfo.RegionLocX + ", " + rinfo.RegionLocY);
+            m_log.Info(" >> external host name: " + rinfo.ExternalHostName);
+            m_log.Info(" >> http port: " + rinfo.HttpPort);
+            m_log.Info(" >> external EP address: " + rinfo.ExternalEndPoint.Address);
+            m_log.Info(" >> external EP port: " + rinfo.ExternalEndPoint.Port);
+            m_log.Info(" ------------ -------------- ----------");
+        }
+
+
+        #endregion
+
+
     }
 }
diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Interregion/RESTInterregionComms.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Interregion/RESTInterregionComms.cs
index adf747a..696225c 100644
--- a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Interregion/RESTInterregionComms.cs
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Interregion/RESTInterregionComms.cs
@@ -824,29 +824,15 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Interregion
 
             public override void SendUserInformation(GridRegion regInfo, AgentCircuitData aCircuit)
             {
-                try
-                {
-                    if (m_aScene.SceneGridService is HGSceneCommunicationService)
-                    {
-                        // big hack for now
-                        RegionInfo r = new RegionInfo();
-                        r.ExternalHostName = regInfo.ExternalHostName;
-                        r.HttpPort = regInfo.HttpPort;
-                        r.RegionID = regInfo.RegionID;
-                        r.RegionLocX = (uint)regInfo.RegionLocX;
-                        r.RegionLocY = (uint)regInfo.RegionLocY;
-                        ((HGSceneCommunicationService)(m_aScene.SceneGridService)).m_hg.SendUserInformation(r, aCircuit);
-                    }
-                }
-                catch // Bad cast
-                { }
+                if (m_hyperlinkService != null)
+                    m_hyperlinkService.SendUserInformation(regInfo, aCircuit);
 
             }
 
             public override void AdjustUserInformation(AgentCircuitData aCircuit)
             {
-                if (m_aScene.SceneGridService is HGSceneCommunicationService)
-                    ((HGSceneCommunicationService)(m_aScene.SceneGridService)).m_hg.AdjustUserInformation(aCircuit);
+                if (m_hyperlinkService != null)
+                    m_hyperlinkService.AdjustUserInformation(aCircuit);
             }
         }
 
diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/HGInventoryBroker.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/HGInventoryBroker.cs
index 1c66254..fd1a759 100644
--- a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/HGInventoryBroker.cs
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/HGInventoryBroker.cs
@@ -525,7 +525,12 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
                 return true;
             }
 
-            string userInventoryServerURI = HGNetworkServersInfo.ServerURI(uinfo.UserProfile.UserInventoryURI);
+            if ((uinfo.UserProfile.UserInventoryURI == null) || (uinfo.UserProfile.UserInventoryURI == ""))
+                // this happens in standalone profiles, apparently
+                return true;
+            
+            string userInventoryServerURI = Util.ServerURI(uinfo.UserProfile.UserInventoryURI);
+
             string uri = m_LocalGridInventoryURI.TrimEnd('/');
 
             if ((userInventoryServerURI == uri) || (userInventoryServerURI == ""))
@@ -544,7 +549,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
             if ((uinfo == null) || (uinfo.UserProfile == null))
                 return invURI;
 
-            string userInventoryServerURI = HGNetworkServersInfo.ServerURI(uinfo.UserProfile.UserInventoryURI);
+            string userInventoryServerURI = Util.ServerURI(uinfo.UserProfile.UserInventoryURI);
 
             if ((userInventoryServerURI != null) &&
                 (userInventoryServerURI != ""))
diff --git a/OpenSim/Region/CoreModules/World/WorldMap/MapSearchModule.cs b/OpenSim/Region/CoreModules/World/WorldMap/MapSearchModule.cs
index e3661fa..436f332 100644
--- a/OpenSim/Region/CoreModules/World/WorldMap/MapSearchModule.cs
+++ b/OpenSim/Region/CoreModules/World/WorldMap/MapSearchModule.cs
@@ -137,8 +137,8 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
                     data.Name = info.RegionName;
                     data.RegionFlags = 0; // TODO not used?
                     data.WaterHeight = 0; // not used
-                    data.X = (ushort)info.RegionLocX;
-                    data.Y = (ushort)info.RegionLocY;
+                    data.X = (ushort)(info.RegionLocX / Constants.RegionSize);
+                    data.Y = (ushort)(info.RegionLocY / Constants.RegionSize);
                     blocks.Add(data);
                 }
             }
diff --git a/OpenSim/Region/Framework/Scenes/Hypergrid/HGAssetMapper.cs b/OpenSim/Region/Framework/Scenes/Hypergrid/HGAssetMapper.cs
index 62efd60..b6fa41d 100644
--- a/OpenSim/Region/Framework/Scenes/Hypergrid/HGAssetMapper.cs
+++ b/OpenSim/Region/Framework/Scenes/Hypergrid/HGAssetMapper.cs
@@ -35,6 +35,7 @@ using OpenSim.Framework;
 using OpenSim.Framework.Communications.Cache;
 using OpenSim.Framework.Communications.Clients;
 using OpenSim.Region.Framework.Scenes.Serialization;
+using OpenSim.Services.Interfaces;
 
 //using HyperGrid.Framework;
 //using OpenSim.Region.Communications.Hypergrid;
@@ -50,6 +51,18 @@ namespace OpenSim.Region.Framework.Scenes.Hypergrid
 //        private Dictionary<string, InventoryClient> m_inventoryServers = new Dictionary<string, InventoryClient>();
 
         private Scene m_scene;
+
+        private IHyperlinkService m_hyper;
+        IHyperlinkService HyperlinkService
+        {
+            get
+            {
+                if (m_hyper == null)
+                    m_hyper = m_scene.RequestModuleInterface<IHyperlinkService>();
+                return m_hyper;
+            }
+        }
+
         #endregion
 
         #region Constructor
@@ -79,22 +92,6 @@ namespace OpenSim.Region.Framework.Scenes.Hypergrid
 //            return null;
 //        }
 
-        private bool IsLocalUser(UUID userID)
-        {
-            CachedUserInfo uinfo = m_scene.CommsManager.UserProfileCacheService.GetUserDetails(userID);
-
-            if (uinfo != null)
-            {
-                if (HGNetworkServersInfo.Singleton.IsLocalUser(uinfo.UserProfile))
-                {
-                    m_log.Debug("[HGScene]: Home user " + uinfo.UserProfile.FirstName + " " + uinfo.UserProfile.SurName);
-                    return true;
-                }
-            }
-
-            m_log.Debug("[HGScene]: Foreign user " + uinfo.UserProfile.FirstName + " " + uinfo.UserProfile.SurName);
-            return false;
-        }
 
         public AssetBase FetchAsset(string url, UUID assetID)
         {
@@ -170,7 +167,7 @@ namespace OpenSim.Region.Framework.Scenes.Hypergrid
 
         public void Get(UUID assetID, UUID ownerID)
         {
-            if (!IsLocalUser(ownerID))
+            if (!HyperlinkService.IsLocalUser(ownerID))
             {
                 // Get the item from the remote asset server onto the local AssetCache
                 // and place an entry in m_assetMap
@@ -228,7 +225,7 @@ namespace OpenSim.Region.Framework.Scenes.Hypergrid
 
         public void Post(UUID assetID, UUID ownerID)
         {
-            if (!IsLocalUser(ownerID))
+            if (!HyperlinkService.IsLocalUser(ownerID))
             {
                 // Post the item from the local AssetCache onto the remote asset server
                 // and place an entry in m_assetMap
diff --git a/OpenSim/Region/Framework/Scenes/Hypergrid/HGSceneCommunicationService.cs b/OpenSim/Region/Framework/Scenes/Hypergrid/HGSceneCommunicationService.cs
index ee5eb90..1217f9b 100644
--- a/OpenSim/Region/Framework/Scenes/Hypergrid/HGSceneCommunicationService.cs
+++ b/OpenSim/Region/Framework/Scenes/Hypergrid/HGSceneCommunicationService.cs
@@ -38,6 +38,7 @@ using OpenSim.Framework.Communications;
 using OpenSim.Framework.Communications.Cache;
 using OpenSim.Framework.Capabilities;
 using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Services.Interfaces;
 using GridRegion = OpenSim.Services.Interfaces.GridRegion;
 
 namespace OpenSim.Region.Framework.Scenes.Hypergrid
@@ -46,11 +47,19 @@ namespace OpenSim.Region.Framework.Scenes.Hypergrid
     {
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
-        public readonly IHyperlink m_hg;
+        private IHyperlinkService m_hg;
+        IHyperlinkService HyperlinkService
+        {
+            get
+            {
+                if (m_hg == null)
+                    m_hg = m_scene.RequestModuleInterface<IHyperlinkService>();
+                return m_hg;
+            }
+        }
 
-        public HGSceneCommunicationService(CommunicationsManager commsMan, IHyperlink hg) : base(commsMan)
+        public HGSceneCommunicationService(CommunicationsManager commsMan) : base(commsMan)
         {
-            m_hg = hg;
         }
 
 
@@ -129,13 +138,13 @@ namespace OpenSim.Region.Framework.Scenes.Hypergrid
                     /// Hypergrid mod start
                     /// 
                     ///
-                    bool isHyperLink = m_hg.IsHyperlinkRegion(reg.RegionHandle);
+                    bool isHyperLink = (HyperlinkService.GetHyperlinkRegion(reg.RegionHandle) != null);
                     bool isHomeUser = true;
                     ulong realHandle = regionHandle;
                     CachedUserInfo uinfo = m_commsProvider.UserProfileCacheService.GetUserDetails(avatar.UUID);
                     if (uinfo != null)
                     {
-                        isHomeUser = HGNetworkServersInfo.Singleton.IsLocalUser(uinfo.UserProfile);
+                        isHomeUser = HyperlinkService.IsLocalUser(uinfo.UserProfile.ID);
                         realHandle = m_hg.FindRegionHandle(regionHandle);
                         m_log.Debug("XXX ---- home user? " + isHomeUser + " --- hyperlink? " + isHyperLink + " --- real handle: " + realHandle.ToString());
                     }
diff --git a/OpenSim/Server/Handlers/Grid/HypergridServerConnector.cs b/OpenSim/Server/Handlers/Grid/HypergridServerConnector.cs
index d2e791b..c47f652 100644
--- a/OpenSim/Server/Handlers/Grid/HypergridServerConnector.cs
+++ b/OpenSim/Server/Handlers/Grid/HypergridServerConnector.cs
@@ -38,6 +38,7 @@ using OpenSim.Framework.Servers.HttpServer;
 using OpenSim.Server.Handlers.Base;
 using GridRegion = OpenSim.Services.Interfaces.GridRegion;
 
+using OpenMetaverse;
 using log4net;
 using Nwc.XmlRpc;
 
@@ -50,11 +51,25 @@ namespace OpenSim.Server.Handlers.Grid
                 MethodBase.GetCurrentMethod().DeclaringType);
 
         private List<GridRegion> m_RegionsOnSim = new List<GridRegion>();
+        private IHyperlinkService m_HyperlinkService;
 
-        public HypergridServiceInConnector(IConfigSource config, IHttpServer server) :
+        public HypergridServiceInConnector(IConfigSource config, IHttpServer server, IHyperlinkService hyperService) :
                 base(config, server)
         {
+            m_HyperlinkService = hyperService;
             server.AddXmlRPCHandler("link_region", LinkRegionRequest, false);
+            server.AddXmlRPCHandler("expect_hg_user", ExpectHGUser, false);
+        }
+
+        public void AddRegion(GridRegion rinfo)
+        {
+            m_RegionsOnSim.Add(rinfo);
+        }
+
+        public void RemoveRegion(GridRegion rinfo)
+        {
+            if (m_RegionsOnSim.Contains(rinfo))
+                m_RegionsOnSim.Remove(rinfo);
         }
 
         /// <summary>
@@ -99,15 +114,95 @@ namespace OpenSim.Server.Handlers.Grid
             return response;
         }
 
-        public void AddRegion(GridRegion rinfo)
+        /// <summary>
+        /// Received from other HGrid nodes when a user wants to teleport here.  This call allows
+        /// the region to prepare for direct communication from the client.  Sends back an empty
+        /// xmlrpc response on completion.
+        /// This is somewhat similar to OGS1's ExpectUser, but with the additional task of
+        /// registering the user in the local user cache.
+        /// </summary>
+        /// <param name="request"></param>
+        /// <returns></returns>
+        public XmlRpcResponse ExpectHGUser(XmlRpcRequest request, IPEndPoint remoteClient)
         {
-            m_RegionsOnSim.Add(rinfo);
-        }
+            Hashtable requestData = (Hashtable)request.Params[0];
+            ForeignUserProfileData userData = new ForeignUserProfileData();
 
-        public void RemoveRegion(GridRegion rinfo)
-        {
-            if (m_RegionsOnSim.Contains(rinfo))
-                m_RegionsOnSim.Remove(rinfo);
+            userData.FirstName = (string)requestData["firstname"];
+            userData.SurName = (string)requestData["lastname"];
+            userData.ID = new UUID((string)requestData["agent_id"]);
+            UUID sessionID = new UUID((string)requestData["session_id"]);
+            userData.HomeLocation = new Vector3((float)Convert.ToDecimal((string)requestData["startpos_x"]),
+                                  (float)Convert.ToDecimal((string)requestData["startpos_y"]),
+                                  (float)Convert.ToDecimal((string)requestData["startpos_z"]));
+
+            userData.UserServerURI = (string)requestData["userserver_id"];
+            userData.UserAssetURI = (string)requestData["assetserver_id"];
+            userData.UserInventoryURI = (string)requestData["inventoryserver_id"];
+
+            m_log.DebugFormat("[HGrid]: Prepare for connection from {0} {1} (@{2}) UUID={3}",
+                              userData.FirstName, userData.SurName, userData.UserServerURI, userData.ID);
+
+            ulong userRegionHandle = 0;
+            int userhomeinternalport = 0;
+            if (requestData.ContainsKey("region_uuid"))
+            {
+                UUID uuid = UUID.Zero;
+                UUID.TryParse((string)requestData["region_uuid"], out uuid);
+                userData.HomeRegionID = uuid;
+                userRegionHandle = Convert.ToUInt64((string)requestData["regionhandle"]);
+                userData.UserHomeAddress = (string)requestData["home_address"];
+                userData.UserHomePort = (string)requestData["home_port"];
+                userhomeinternalport = Convert.ToInt32((string)requestData["internal_port"]);
+
+                m_log.Debug("[HGrid]: home_address: " + userData.UserHomeAddress +
+                           "; home_port: " + userData.UserHomePort);
+            }
+            else
+                m_log.WarnFormat("[HGrid]: User has no home region information");
+
+            XmlRpcResponse resp = new XmlRpcResponse();
+
+            // Let's check if someone is trying to get in with a stolen local identity.
+            // The need for this test is a consequence of not having truly global names :-/
+            bool comingHome = false;
+            if (m_HyperlinkService.CheckUserAtEntry(userData.ID, sessionID, out comingHome) == false)
+            {
+                m_log.WarnFormat("[HGrid]: Access denied to foreign user.");
+                Hashtable respdata = new Hashtable();
+                respdata["success"] = "FALSE";
+                respdata["reason"] = "Foreign user has the same ID as a local user, or logins disabled.";
+                resp.Value = respdata;
+                return resp;
+            }
+
+            // Finally, everything looks ok
+            //m_log.Debug("XXX---- EVERYTHING OK ---XXX");
+
+            if (!comingHome)
+            {
+                // We don't do this if the user is coming to the home grid
+                GridRegion home = new GridRegion();
+                home.RegionID = userData.HomeRegionID;
+                home.ExternalHostName = userData.UserHomeAddress;
+                home.HttpPort = Convert.ToUInt32(userData.UserHomePort);
+                uint x = 0, y = 0;
+                Utils.LongToUInts(userRegionHandle, out x, out y);
+                home.RegionLocX = (int)x;
+                home.RegionLocY = (int)y;
+                home.InternalEndPoint = new IPEndPoint(IPAddress.Parse("0.0.0.0"), (int)userhomeinternalport);
+
+                m_HyperlinkService.AcceptUser(userData, home);
+            }
+            // else the user is coming to a non-home region of the home grid
+            // We simply drop this user information altogether
+ 
+            Hashtable respdata2 = new Hashtable();
+            respdata2["success"] = "TRUE";
+            resp.Value = respdata2;
+
+            return resp;
         }
+
     }
 }
diff --git a/OpenSim/Services/Connectors/Grid/HypergridServiceConnector.cs b/OpenSim/Services/Connectors/Grid/HypergridServiceConnector.cs
index cf17557..dd19b01 100644
--- a/OpenSim/Services/Connectors/Grid/HypergridServiceConnector.cs
+++ b/OpenSim/Services/Connectors/Grid/HypergridServiceConnector.cs
@@ -149,5 +149,94 @@ namespace OpenSim.Services.Connectors.Grid
             }
         }
 
+        public bool InformRegionOfUser(GridRegion regInfo, AgentCircuitData agentData, GridRegion home, string userServer, string assetServer, string inventoryServer)
+        {
+            string capsPath = agentData.CapsPath;
+            Hashtable loginParams = new Hashtable();
+            loginParams["session_id"] = agentData.SessionID.ToString();
+
+            loginParams["firstname"] = agentData.firstname;
+            loginParams["lastname"] = agentData.lastname;
+
+            loginParams["agent_id"] = agentData.AgentID.ToString();
+            loginParams["circuit_code"] = agentData.circuitcode.ToString();
+            loginParams["startpos_x"] = agentData.startpos.X.ToString();
+            loginParams["startpos_y"] = agentData.startpos.Y.ToString();
+            loginParams["startpos_z"] = agentData.startpos.Z.ToString();
+            loginParams["caps_path"] = capsPath;
+
+            if (home != null)
+            {
+                loginParams["region_uuid"] = home.RegionID.ToString();
+                loginParams["regionhandle"] = home.RegionHandle.ToString();
+                loginParams["home_address"] = home.ExternalHostName;
+                loginParams["home_port"] = home.HttpPort.ToString();
+                loginParams["internal_port"] = home.InternalEndPoint.Port.ToString();
+
+                m_log.Debug("  ---------     Home     -------");
+                m_log.Debug("  >> " + loginParams["home_address"] + " <<");
+                m_log.Debug("  >> " + loginParams["region_uuid"] + " <<");
+                m_log.Debug("  >> " + loginParams["regionhandle"] + " <<");
+                m_log.Debug("  >> " + loginParams["home_port"] + " <<");
+                m_log.Debug("  --------- ------------ -------");
+            }
+            else
+                m_log.WarnFormat("[HGrid]: Home region not found for {0} {1}", agentData.firstname, agentData.lastname);
+
+            loginParams["userserver_id"] = userServer;
+            loginParams["assetserver_id"] = assetServer;
+            loginParams["inventoryserver_id"] = inventoryServer;
+
+
+            ArrayList SendParams = new ArrayList();
+            SendParams.Add(loginParams);
+
+            // Send
+            string uri = "http://" + regInfo.ExternalHostName + ":" + regInfo.HttpPort + "/";
+            //m_log.Debug("XXX uri: " + uri);
+            XmlRpcRequest request = new XmlRpcRequest("expect_hg_user", SendParams);
+            XmlRpcResponse reply;
+            try
+            {
+                reply = request.Send(uri, 6000);
+            }
+            catch (Exception e)
+            {
+                m_log.Warn("[HGrid]: Failed to notify region about user. Reason: " + e.Message);
+                return false;
+            }
+
+            if (!reply.IsFault)
+            {
+                bool responseSuccess = true;
+                if (reply.Value != null)
+                {
+                    Hashtable resp = (Hashtable)reply.Value;
+                    if (resp.ContainsKey("success"))
+                    {
+                        if ((string)resp["success"] == "FALSE")
+                        {
+                            responseSuccess = false;
+                        }
+                    }
+                }
+                if (responseSuccess)
+                {
+                    m_log.Info("[HGrid]: Successfully informed remote region about user " + agentData.AgentID);
+                    return true;
+                }
+                else
+                {
+                    m_log.ErrorFormat("[HGrid]: Region responded that it is not available to receive clients");
+                    return false;
+                }
+            }
+            else
+            {
+                m_log.ErrorFormat("[HGrid]: XmlRpc request to region failed with message {0}, code {1} ", reply.FaultString, reply.FaultCode);
+                return false;
+            }
+        }
+
     }
 }
diff --git a/OpenSim/Services/Interfaces/IGridService.cs b/OpenSim/Services/Interfaces/IGridService.cs
index 96dc82b9..c5495fb 100644
--- a/OpenSim/Services/Interfaces/IGridService.cs
+++ b/OpenSim/Services/Interfaces/IGridService.cs
@@ -191,6 +191,20 @@ namespace OpenSim.Services.Interfaces
             Maturity = ConvertFrom.RegionSettings.Maturity;
         }
 
+        public GridRegion(GridRegion ConvertFrom)
+        {
+            m_regionName = ConvertFrom.RegionName;
+            m_regionLocX = ConvertFrom.RegionLocX;
+            m_regionLocY = ConvertFrom.RegionLocY;
+            m_internalEndPoint = ConvertFrom.InternalEndPoint;
+            m_externalHostName = ConvertFrom.ExternalHostName;
+            m_httpPort = ConvertFrom.HttpPort;
+            RegionID = ConvertFrom.RegionID;
+            ServerURI = ConvertFrom.ServerURI;
+            TerrainImage = ConvertFrom.TerrainImage;
+            Access = ConvertFrom.Access;
+            Maturity = ConvertFrom.Maturity;
+        }
 
         /// <value>
         /// This accessor can throw all the exceptions that Dns.GetHostAddresses can throw.