4 files changed, 288 insertions, 105 deletions

diff --git a/OpenSim/Services/HypergridService/GatekeeperService.cs b/OpenSim/Services/HypergridService/GatekeeperService.cs
index 97a0afc..f6136b5 100644
--- a/OpenSim/Services/HypergridService/GatekeeperService.cs
+++ b/OpenSim/Services/HypergridService/GatekeeperService.cs
@@ -58,6 +58,7 @@ namespace OpenSim.Services.HypergridService
         private static IUserAgentService m_UserAgentService;
         private static ISimulationService m_SimulationService;
         private static IGridUserService m_GridUserService;
+        private static IBansService m_BansService;
 
         private static string m_AllowedClients = string.Empty;
         private static string m_DeniedClients = string.Empty;
@@ -87,6 +88,7 @@ namespace OpenSim.Services.HypergridService
                 string presenceService = serverConfig.GetString("PresenceService", String.Empty);
                 string simulationService = serverConfig.GetString("SimulationService", String.Empty);
                 string gridUserService = serverConfig.GetString("GridUserService", String.Empty);
+                string bansService = serverConfig.GetString("BansService", String.Empty);
 
                 // These are mandatory, the others aren't
                 if (gridService == string.Empty || presenceService == string.Empty)
@@ -121,6 +123,8 @@ namespace OpenSim.Services.HypergridService
                     m_UserAgentService = ServerUtils.LoadPlugin<IUserAgentService>(homeUsersService, args);
                 if (gridUserService != string.Empty)
                     m_GridUserService = ServerUtils.LoadPlugin<IGridUserService>(gridUserService, args);
+                if (bansService != string.Empty)
+                    m_BansService = ServerUtils.LoadPlugin<IBansService>(bansService, args);
 
                 if (simService != null)
                     m_SimulationService = simService;
@@ -167,7 +171,7 @@ namespace OpenSim.Services.HypergridService
             m_log.DebugFormat("[GATEKEEPER SERVICE]: Request to link to {0}", (regionName == string.Empty)? "default region" : regionName);
             if (!m_AllowTeleportsToAnyRegion || regionName == string.Empty)
             {
-                List<GridRegion> defs = m_GridService.GetDefaultRegions(m_ScopeID);
+                List<GridRegion> defs = m_GridService.GetDefaultHypergridRegions(m_ScopeID);
                 if (defs != null && defs.Count > 0)
                 {
                     region = defs[0];
@@ -223,7 +227,7 @@ namespace OpenSim.Services.HypergridService
             m_log.InfoFormat("[GATEKEEPER SERVICE]: Login request for {0} {1} @ {2} ({3}) at {4} using viewer {5}, channel {6}, IP {7}, Mac {8}, Id0 {9} Teleport Flags {10}",
                 aCircuit.firstname, aCircuit.lastname, authURL, aCircuit.AgentID, destination.RegionName,
                 aCircuit.Viewer, aCircuit.Channel, aCircuit.IPAddress, aCircuit.Mac, aCircuit.Id0, aCircuit.teleportFlags.ToString());
-            
+
             //
             // Check client
             //
@@ -287,17 +291,16 @@ namespace OpenSim.Services.HypergridService
                     }
                 }
             }
-            m_log.DebugFormat("[GATEKEEPER SERVICE]: User is ok");
 
             //
             // Foreign agents allowed? Exceptions?
             //
-            if (account == null) 
+            if (account == null)
             {
                 bool allowed = m_ForeignAgentsAllowed;
 
                 if (m_ForeignAgentsAllowed && IsException(aCircuit, m_ForeignsAllowedExceptions))
-                        allowed = false;
+                    allowed = false;
 
                 if (!m_ForeignAgentsAllowed && IsException(aCircuit, m_ForeignsDisallowedExceptions))
                     allowed = true;
@@ -311,6 +314,20 @@ namespace OpenSim.Services.HypergridService
                 }
             }
 
+            //
+            // Is the user banned?
+            // This uses a Ban service that's more powerful than the configs
+            //
+            string uui = (account != null ? aCircuit.AgentID.ToString() : Util.ProduceUserUniversalIdentifier(aCircuit));
+            if (m_BansService != null && m_BansService.IsBanned(uui, aCircuit.IPAddress, aCircuit.Id0, authURL))
+            {
+                reason = "You are banned from this world";
+                m_log.InfoFormat("[GATEKEEPER SERVICE]: Login failed, reason: user {0} is banned", uui);
+                return false;
+            }
+
+            m_log.DebugFormat("[GATEKEEPER SERVICE]: User {0} is ok", aCircuit.Name);
+
             bool isFirstLogin = false;
             //
             // Login the presence, if it's not there yet (by the login service)
@@ -328,7 +345,8 @@ namespace OpenSim.Services.HypergridService
                         aCircuit.firstname, aCircuit.lastname);
                     return false;
                 }
-                m_log.DebugFormat("[GATEKEEPER SERVICE]: Login presence ok");
+
+                m_log.DebugFormat("[GATEKEEPER SERVICE]: Login presence {0} is ok", aCircuit.Name);
 
                 // Also login foreigners with GridUser service
                 if (m_GridUserService != null && account == null)
@@ -359,7 +377,9 @@ namespace OpenSim.Services.HypergridService
                 reason = "Destination region not found";
                 return false;
             }
-            m_log.DebugFormat("[GATEKEEPER SERVICE]: destination ok: {0}", destination.RegionName);
+
+            m_log.DebugFormat(
+                "[GATEKEEPER SERVICE]: Destination {0} is ok for {1}", destination.RegionName, aCircuit.Name);
 
             //
             // Adjust the visible name
@@ -393,7 +413,8 @@ namespace OpenSim.Services.HypergridService
             // Preserve our TeleportFlags we have gathered so-far
             loginFlag |= (Constants.TeleportFlags) aCircuit.teleportFlags;
 
-            m_log.DebugFormat("[GATEKEEPER SERVICE]: launching agent {0}", loginFlag);
+            m_log.DebugFormat("[GATEKEEPER SERVICE]: Launching {0} {1}", aCircuit.Name, loginFlag);
+
             return m_SimulationService.CreateAgent(destination, aCircuit, (uint)loginFlag, out reason);
         }
 
@@ -402,6 +423,12 @@ namespace OpenSim.Services.HypergridService
             if (!CheckAddress(aCircuit.ServiceSessionID))
                 return false;
 
+            if (string.IsNullOrEmpty(aCircuit.IPAddress))
+            {
+                m_log.DebugFormat("[GATEKEEPER SERVICE]: Agent did not provide a client IP address.");
+                return false;
+            }
+
             string userURL = string.Empty;
             if (aCircuit.ServiceURLs.ContainsKey("HomeURI"))
                 userURL = aCircuit.ServiceURLs["HomeURI"].ToString();
diff --git a/OpenSim/Services/HypergridService/HGSuitcaseInventoryService.cs b/OpenSim/Services/HypergridService/HGSuitcaseInventoryService.cs
index eecf757..0601ece 100644
--- a/OpenSim/Services/HypergridService/HGSuitcaseInventoryService.cs
+++ b/OpenSim/Services/HypergridService/HGSuitcaseInventoryService.cs
@@ -54,7 +54,7 @@ namespace OpenSim.Services.HypergridService
                 LogManager.GetLogger(
                 MethodBase.GetCurrentMethod().DeclaringType);
 
-        private string m_HomeURL;
+//        private string m_HomeURL;
         private IUserAccountService m_UserAccountService;
         private IAvatarService m_AvatarService;
 
@@ -96,8 +96,8 @@ namespace OpenSim.Services.HypergridService
                 if (m_AvatarService == null)
                     throw new Exception(String.Format("Unable to create m_AvatarService from {0}", avatarDll));
 
-                m_HomeURL = Util.GetConfigVarFromSections<string>(config, "HomeURI",
-                    new string[] { "Startup", "Hypergrid", m_ConfigName }, String.Empty); 
+//                m_HomeURL = Util.GetConfigVarFromSections<string>(config, "HomeURI",
+//                    new string[] { "Startup", "Hypergrid", m_ConfigName }, String.Empty); 
 
 //                m_Cache = UserAccountCache.CreateUserAccountCache(m_UserAccountService);
             }
@@ -115,6 +115,12 @@ namespace OpenSim.Services.HypergridService
         {
             XInventoryFolder suitcase = GetSuitcaseXFolder(principalID);
 
+            if (suitcase == null)
+            {
+                m_log.WarnFormat("[HG SUITCASE INVENTORY SERVICE]: Found no suitcase folder for user {0} when looking for inventory skeleton", principalID);
+                return null;
+            }
+
             List<XInventoryFolder> tree = GetFolderTree(principalID, suitcase.folderID);
             if (tree == null || (tree != null && tree.Count == 0))
                 return null;
@@ -134,6 +140,7 @@ namespace OpenSim.Services.HypergridService
         public override InventoryCollection GetUserInventory(UUID userID)
         {
             m_log.DebugFormat("[HG SUITCASE INVENTORY SERVICE]: Get Suitcase inventory for user {0}", userID);
+
             InventoryCollection userInventory = new InventoryCollection();
             userInventory.UserID = userID;
             userInventory.Folders = new List<InventoryFolderBase>();
@@ -141,6 +148,12 @@ namespace OpenSim.Services.HypergridService
 
             XInventoryFolder suitcase = GetSuitcaseXFolder(userID);
 
+            if (suitcase == null)
+            {
+                m_log.WarnFormat("[HG SUITCASE INVENTORY SERVICE]: Found no suitcase folder for user {0} when looking for user inventory", userID);
+                return null;
+            }
+
             List<XInventoryFolder> tree = GetFolderTree(userID, suitcase.folderID);
             if (tree == null || (tree != null && tree.Count == 0))
             {
@@ -182,7 +195,8 @@ namespace OpenSim.Services.HypergridService
             m_log.DebugFormat("[HG SUITCASE INVENTORY SERVICE]: GetRootFolder for {0}", principalID);
 
             // Let's find out the local root folder
-            XInventoryFolder root = GetRootXFolder(principalID); ;
+            XInventoryFolder root = GetRootXFolder(principalID);
+
             if (root == null)
             {
                 m_log.WarnFormat("[HG SUITCASE INVENTORY SERVICE]: Unable to retrieve local root folder for user {0}", principalID);
@@ -255,6 +269,13 @@ namespace OpenSim.Services.HypergridService
         {
             //m_log.DebugFormat("[HG INVENTORY SERVICE]: GetFolderForType for {0} {0}", principalID, type);
             XInventoryFolder suitcase = GetSuitcaseXFolder(principalID);
+
+            if (suitcase == null)
+            {
+                m_log.WarnFormat("[HG SUITCASE INVENTORY SERVICE]: Found no suitcase folder for user {0} when looking for child type folder {1}", principalID, type);
+                return null;
+            }
+
             XInventoryFolder[] folders = m_Database.GetFolders(
                     new string[] { "agentID", "type", "parentFolderID" },
                     new string[] { principalID.ToString(), ((int)type).ToString(), suitcase.folderID.ToString() });
@@ -472,6 +493,22 @@ namespace OpenSim.Services.HypergridService
             return null;
         }
 
+        private XInventoryFolder GetCurrentOutfitXFolder(UUID userID)
+        {
+            XInventoryFolder root = GetRootXFolder(userID);
+            if (root == null)
+                return null;
+
+            XInventoryFolder[] folders = m_Database.GetFolders(
+                    new string[] { "agentID", "type", "parentFolderID" },
+                    new string[] { userID.ToString(), ((int)AssetType.CurrentOutfitFolder).ToString(), root.folderID.ToString() });
+
+            if (folders.Length == 0)
+                return null;
+
+            return folders[0];
+        }
+
         private XInventoryFolder GetSuitcaseXFolder(UUID principalID)
         {
             // Warp! Root folder for travelers
@@ -510,6 +547,7 @@ namespace OpenSim.Services.HypergridService
             if (m_SuitcaseTrees.TryGetValue(principalID, out t))
                 return t;
 
+            // Get the tree of the suitcase folder
             t = GetFolderTreeRecursive(folder);
             m_SuitcaseTrees.AddOrUpdate(principalID, t, 5*60); // 5minutes
             return t;
@@ -546,6 +584,7 @@ namespace OpenSim.Services.HypergridService
         private bool IsWithinSuitcaseTree(UUID principalID, UUID folderID)
         {
             XInventoryFolder suitcase = GetSuitcaseXFolder(principalID);
+
             if (suitcase == null)
             {
                 m_log.WarnFormat("[HG SUITCASE INVENTORY SERVICE]: User {0} does not have a Suitcase folder", principalID);
@@ -555,6 +594,9 @@ namespace OpenSim.Services.HypergridService
             List<XInventoryFolder> tree = new List<XInventoryFolder>();
             tree.Add(suitcase); // Warp! the tree is the real root folder plus the children of the suitcase folder
             tree.AddRange(GetFolderTree(principalID, suitcase.folderID));
+            // Also add the Current Outfit folder to the list of available folders
+            tree.Add(GetCurrentOutfitXFolder(principalID));
+
             XInventoryFolder f = tree.Find(delegate(XInventoryFolder fl)
             {
                 if (fl.folderID == folderID) return true;
diff --git a/OpenSim/Services/HypergridService/UserAgentService.cs b/OpenSim/Services/HypergridService/UserAgentService.cs
index ec76508..b414aca 100644
--- a/OpenSim/Services/HypergridService/UserAgentService.cs
+++ b/OpenSim/Services/HypergridService/UserAgentService.cs
@@ -30,6 +30,7 @@ using System.Collections.Generic;
 using System.Net;
 using System.Reflection;
 
+using OpenSim.Data;
 using OpenSim.Framework;
 using OpenSim.Services.Connectors.Friends;
 using OpenSim.Services.Connectors.Hypergrid;
@@ -50,14 +51,14 @@ namespace OpenSim.Services.HypergridService
     /// needs to do it for them.
     /// Once we have better clients, this shouldn't be needed.
     /// </summary>
-    public class UserAgentService : IUserAgentService
+    public class UserAgentService : UserAgentServiceBase, IUserAgentService
     {
         private static readonly ILog m_log =
                 LogManager.GetLogger(
                 MethodBase.GetCurrentMethod().DeclaringType);
 
         // This will need to go into a DB table
-        static Dictionary<UUID, TravelingAgentInfo> m_TravelingAgents = new Dictionary<UUID, TravelingAgentInfo>();
+        //static Dictionary<UUID, TravelingAgentInfo> m_Database = new Dictionary<UUID, TravelingAgentInfo>();
 
         static bool m_Initialized = false;
 
@@ -86,6 +87,7 @@ namespace OpenSim.Services.HypergridService
         }
 
         public UserAgentService(IConfigSource config, IFriendsSimConnector friendsConnector)
+            : base(config)
         {
             // Let's set this always, because we don't know the sequence
             // of instantiations
@@ -146,6 +148,9 @@ namespace OpenSim.Services.HypergridService
                 if (!m_GridName.EndsWith("/"))
                     m_GridName = m_GridName + "/";
 
+                // Finally some cleanup
+                m_Database.DeleteOld();
+
             }
         }
 
@@ -210,10 +215,10 @@ namespace OpenSim.Services.HypergridService
             return home;
         }
 
-        public bool LoginAgentToGrid(AgentCircuitData agentCircuit, GridRegion gatekeeper, GridRegion finalDestination, IPEndPoint clientIP, out string reason)
+        public bool LoginAgentToGrid(AgentCircuitData agentCircuit, GridRegion gatekeeper, GridRegion finalDestination, bool fromLogin, out string reason)
         {
             m_log.DebugFormat("[USER AGENT SERVICE]: Request to login user {0} {1} (@{2}) to grid {3}", 
-                agentCircuit.firstname, agentCircuit.lastname, ((clientIP == null) ? "stored IP" : clientIP.Address.ToString()), gatekeeper.ServerURI);
+                agentCircuit.firstname, agentCircuit.lastname, (fromLogin ? agentCircuit.IPAddress : "stored IP"), gatekeeper.ServerURI);
 
             string gridName = gatekeeper.ServerURI;
 
@@ -260,12 +265,13 @@ namespace OpenSim.Services.HypergridService
 
             // Generate a new service session
             agentCircuit.ServiceSessionID = region.ServerURI + ";" + UUID.Random();
-            TravelingAgentInfo old = UpdateTravelInfo(agentCircuit, region);
+            TravelingAgentInfo old = null;
+            TravelingAgentInfo travel = CreateTravelInfo(agentCircuit, region, fromLogin, out old);
             
             bool success = false;
             string myExternalIP = string.Empty;
 
-            m_log.DebugFormat("[USER AGENT SERVICE]: this grid: {0}, desired grid: {1}", m_GridName, gridName);
+            m_log.DebugFormat("[USER AGENT SERVICE]: this grid: {0}, desired grid: {1}, desired region: {2}", m_GridName, gridName, region.RegionID);
 
             if (m_GridName == gridName)
                 success = m_GatekeeperService.LoginAgent(agentCircuit, finalDestination, out reason);
@@ -282,23 +288,21 @@ namespace OpenSim.Services.HypergridService
                 m_log.DebugFormat("[USER AGENT SERVICE]: Unable to login user {0} {1} to grid {2}, reason: {3}", 
                     agentCircuit.firstname, agentCircuit.lastname, region.ServerURI, reason);
 
-                // restore the old travel info
-                lock (m_TravelingAgents)
-                {
-                    if (old == null)
-                        m_TravelingAgents.Remove(agentCircuit.SessionID);
-                    else
-                        m_TravelingAgents[agentCircuit.SessionID] = old;
-                }
+                if (old != null)
+                    StoreTravelInfo(old);
+                else
+                    m_Database.Delete(agentCircuit.SessionID);
 
                 return false;
             }
 
+            // Everything is ok
+
+            // Update the perceived IP Address of our grid 
             m_log.DebugFormat("[USER AGENT SERVICE]: Gatekeeper sees me as {0}", myExternalIP);
-            // else set the IP addresses associated with this client
-            if (clientIP != null)
-                m_TravelingAgents[agentCircuit.SessionID].ClientIPAddress = clientIP.Address.ToString();
-            m_TravelingAgents[agentCircuit.SessionID].MyIpAddress = myExternalIP;
+            travel.MyIpAddress = myExternalIP;
+
+            StoreTravelInfo(travel);
 
             return true;
         }
@@ -306,60 +310,42 @@ namespace OpenSim.Services.HypergridService
         public bool LoginAgentToGrid(AgentCircuitData agentCircuit, GridRegion gatekeeper, GridRegion finalDestination, out string reason)
         {
             reason = string.Empty;
-            return LoginAgentToGrid(agentCircuit, gatekeeper, finalDestination, null, out reason);
+            return LoginAgentToGrid(agentCircuit, gatekeeper, finalDestination, false, out reason);
         }
 
-        private void SetClientIP(UUID sessionID, string ip)
+        TravelingAgentInfo CreateTravelInfo(AgentCircuitData agentCircuit, GridRegion region, bool fromLogin, out TravelingAgentInfo existing)
         {
-            if (m_TravelingAgents.ContainsKey(sessionID))
-            {
-                m_log.DebugFormat("[USER AGENT SERVICE]: Setting IP {0} for session {1}", ip, sessionID);
-                m_TravelingAgents[sessionID].ClientIPAddress = ip;
-            }
-        }
+            HGTravelingData hgt = m_Database.Get(agentCircuit.SessionID);
+            existing = null;
 
-        TravelingAgentInfo UpdateTravelInfo(AgentCircuitData agentCircuit, GridRegion region)
-        {
-            TravelingAgentInfo travel = new TravelingAgentInfo();
-            TravelingAgentInfo old = null;
-            lock (m_TravelingAgents)
+            if (hgt != null)
             {
-                if (m_TravelingAgents.ContainsKey(agentCircuit.SessionID))
-                {
-                    // Very important! Override whatever this agent comes with.
-                    // UserAgentService always sets the IP for every new agent
-                    // with the original IP address.
-                    agentCircuit.IPAddress = m_TravelingAgents[agentCircuit.SessionID].ClientIPAddress;
-
-                    old = m_TravelingAgents[agentCircuit.SessionID];
-                }
-
-                m_TravelingAgents[agentCircuit.SessionID] = travel;
+                // Very important! Override whatever this agent comes with.
+                // UserAgentService always sets the IP for every new agent
+                // with the original IP address.
+                existing = new TravelingAgentInfo(hgt);
+                agentCircuit.IPAddress = existing.ClientIPAddress;
             }
+
+            TravelingAgentInfo travel = new TravelingAgentInfo(existing);
+            travel.SessionID = agentCircuit.SessionID;
             travel.UserID = agentCircuit.AgentID;
             travel.GridExternalName = region.ServerURI;
             travel.ServiceToken = agentCircuit.ServiceSessionID;
-            if (old != null)
-                travel.ClientIPAddress = old.ClientIPAddress;
 
-            return old;
+            if (fromLogin)
+                travel.ClientIPAddress = agentCircuit.IPAddress;
+
+            StoreTravelInfo(travel);
+
+            return travel;
         }
 
         public void LogoutAgent(UUID userID, UUID sessionID)
         {
             m_log.DebugFormat("[USER AGENT SERVICE]: User {0} logged out", userID);
 
-            lock (m_TravelingAgents)
-            {
-                List<UUID> travels = new List<UUID>();
-                foreach (KeyValuePair<UUID, TravelingAgentInfo> kvp in m_TravelingAgents)
-                    if (kvp.Value == null) // do some clean up
-                        travels.Add(kvp.Key);
-                    else if (kvp.Value.UserID == userID)
-                        travels.Add(kvp.Key);
-                foreach (UUID session in travels)
-                    m_TravelingAgents.Remove(session);
-            }
+            m_Database.Delete(sessionID);
 
             GridUserInfo guinfo = m_GridUserService.GetGridUserInfo(userID.ToString());
             if (guinfo != null)
@@ -369,10 +355,11 @@ namespace OpenSim.Services.HypergridService
         // We need to prevent foreign users with the same UUID as a local user
         public bool IsAgentComingHome(UUID sessionID, string thisGridExternalName)
         {
-            if (!m_TravelingAgents.ContainsKey(sessionID))
+            HGTravelingData hgt = m_Database.Get(sessionID);
+            if (hgt == null)
                 return false;
 
-            TravelingAgentInfo travel = m_TravelingAgents[sessionID];
+            TravelingAgentInfo travel = new TravelingAgentInfo(hgt);
 
             return travel.GridExternalName.ToLower() == thisGridExternalName.ToLower();
         }
@@ -385,29 +372,32 @@ namespace OpenSim.Services.HypergridService
             m_log.DebugFormat("[USER AGENT SERVICE]: Verifying Client session {0} with reported IP {1}.", 
                 sessionID, reportedIP);
 
-            if (m_TravelingAgents.ContainsKey(sessionID))
-            {
-                m_log.DebugFormat("[USER AGENT SERVICE]: Comparing with login IP {0} and MyIP {1}", 
-                    m_TravelingAgents[sessionID].ClientIPAddress, m_TravelingAgents[sessionID].MyIpAddress);
+            HGTravelingData hgt = m_Database.Get(sessionID);
+            if (hgt == null)
+                return false;
 
-                return m_TravelingAgents[sessionID].ClientIPAddress == reportedIP ||
-                    m_TravelingAgents[sessionID].MyIpAddress == reportedIP; // NATed
-            }
+            TravelingAgentInfo travel = new TravelingAgentInfo(hgt);
+
+            bool result = travel.ClientIPAddress == reportedIP || travel.MyIpAddress == reportedIP; // NATed
 
-            return false;
+            m_log.DebugFormat("[USER AGENT SERVICE]: Comparing {0} with login IP {1} and MyIP {1}; result is {3}",
+                                reportedIP, travel.ClientIPAddress, travel.MyIpAddress, result);
+
+            return result;
         }
 
         public bool VerifyAgent(UUID sessionID, string token)
         {
-            if (m_TravelingAgents.ContainsKey(sessionID))
+            HGTravelingData hgt = m_Database.Get(sessionID);
+            if (hgt == null)
             {
-                m_log.DebugFormat("[USER AGENT SERVICE]: Verifying agent token {0} against {1}", token, m_TravelingAgents[sessionID].ServiceToken);
-                return m_TravelingAgents[sessionID].ServiceToken == token;
+                m_log.DebugFormat("[USER AGENT SERVICE]: Token verification for session {0}: no such session", sessionID);
+                return false;
             }
 
-            m_log.DebugFormat("[USER AGENT SERVICE]: Token verification for session {0}: no such session", sessionID);
-
-            return false;
+            TravelingAgentInfo travel = new TravelingAgentInfo(hgt);
+            m_log.DebugFormat("[USER AGENT SERVICE]: Verifying agent token {0} against {1}", token, travel.ServiceToken);
+            return travel.ServiceToken == token;
         }
 
         [Obsolete]
@@ -470,17 +460,17 @@ namespace OpenSim.Services.HypergridService
                 }
             }
 
-            // Lastly, let's notify the rest who may be online somewhere else
-            foreach (string user in usersToBeNotified)
-            {
-                UUID id = new UUID(user);
-                if (m_TravelingAgents.ContainsKey(id) && m_TravelingAgents[id].GridExternalName != m_GridName)
-                {
-                    string url = m_TravelingAgents[id].GridExternalName;
-                    // forward
-                    m_log.WarnFormat("[USER AGENT SERVICE]: User {0} is visiting {1}. HG Status notifications still not implemented.", user, url);
-                }
-            }
+            //// Lastly, let's notify the rest who may be online somewhere else
+            //foreach (string user in usersToBeNotified)
+            //{
+            //    UUID id = new UUID(user);
+            //    if (m_Database.ContainsKey(id) && m_Database[id].GridExternalName != m_GridName)
+            //    {
+            //        string url = m_Database[id].GridExternalName;
+            //        // forward
+            //        m_log.WarnFormat("[USER AGENT SERVICE]: User {0} is visiting {1}. HG Status notifications still not implemented.", user, url);
+            //    }
+            //}
 
             // and finally, let's send the online friends
             if (online)
@@ -607,16 +597,13 @@ namespace OpenSim.Services.HypergridService
 
         public string LocateUser(UUID userID)
         {
-            foreach (TravelingAgentInfo t in m_TravelingAgents.Values)
-            {
-                if (t == null)
-                {
-                    m_log.ErrorFormat("[USER AGENT SERVICE]: Oops! Null TravelingAgentInfo. Please report this on mantis");
-                    continue;
-                }
-                if (t.UserID == userID && !m_GridName.Equals(t.GridExternalName))
-                    return t.GridExternalName;
-            }
+            HGTravelingData[] hgts = m_Database.GetSessions(userID);
+            if (hgts == null)
+                return string.Empty;
+
+            foreach (HGTravelingData t in hgts)
+                if (t.Data.ContainsKey("GridExternalName") && !m_GridName.Equals(t.Data["GridExternalName"]))
+                    return t.Data["GridExternalName"];
 
             return string.Empty;
         }
@@ -687,17 +674,60 @@ namespace OpenSim.Services.HypergridService
             return exception;
         }
 
+        private void StoreTravelInfo(TravelingAgentInfo travel)
+        {
+            if (travel == null)
+                return;
+
+            HGTravelingData hgt = new HGTravelingData();
+            hgt.SessionID = travel.SessionID;
+            hgt.UserID = travel.UserID;
+            hgt.Data = new Dictionary<string, string>();
+            hgt.Data["GridExternalName"] = travel.GridExternalName;
+            hgt.Data["ServiceToken"] = travel.ServiceToken;
+            hgt.Data["ClientIPAddress"] = travel.ClientIPAddress;
+            hgt.Data["MyIPAddress"] = travel.MyIpAddress;
+
+            m_Database.Store(hgt);
+        }
         #endregion
 
     }
 
     class TravelingAgentInfo
     {
+        public UUID SessionID;
         public UUID UserID;
         public string GridExternalName = string.Empty;
         public string ServiceToken = string.Empty;
         public string ClientIPAddress = string.Empty; // as seen from this user agent service
         public string MyIpAddress = string.Empty; // the user agent service's external IP, as seen from the next gatekeeper
+
+        public TravelingAgentInfo(HGTravelingData t)
+        {
+            if (t.Data != null)
+            {
+                SessionID = new UUID(t.SessionID);
+                UserID = new UUID(t.UserID);
+                GridExternalName = t.Data["GridExternalName"];
+                ServiceToken = t.Data["ServiceToken"];
+                ClientIPAddress = t.Data["ClientIPAddress"];
+                MyIpAddress = t.Data["MyIPAddress"];
+            }
+        }
+
+        public TravelingAgentInfo(TravelingAgentInfo old)
+        {
+            if (old != null)
+            {
+                SessionID = old.SessionID;
+                UserID = old.UserID;
+                GridExternalName = old.GridExternalName;
+                ServiceToken = old.ServiceToken;
+                ClientIPAddress = old.ClientIPAddress;
+                MyIpAddress = old.MyIpAddress;
+            }
+        }
     }
 
 }
diff --git a/OpenSim/Services/HypergridService/UserAgentServiceBase.cs b/OpenSim/Services/HypergridService/UserAgentServiceBase.cs
new file mode 100644
index 0000000..a00e5a6
--- /dev/null
+++ b/OpenSim/Services/HypergridService/UserAgentServiceBase.cs
@@ -0,0 +1,84 @@
+/*
+ * 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 Nini.Config;
+using OpenSim.Framework;
+using OpenSim.Data;
+using OpenSim.Services.Interfaces;
+using OpenSim.Services.Base;
+
+namespace OpenSim.Services.HypergridService
+{
+    public class UserAgentServiceBase : ServiceBase
+    {
+        protected IHGTravelingData m_Database = null;
+
+        public UserAgentServiceBase(IConfigSource config)
+            : base(config)
+        {
+            string dllName = String.Empty;
+            string connString = String.Empty;
+            string realm = "hg_traveling_data";
+
+            //
+            // Try reading the [DatabaseService] section, if it exists
+            //
+            IConfig dbConfig = config.Configs["DatabaseService"];
+            if (dbConfig != null)
+            {
+                if (dllName == String.Empty)
+                    dllName = dbConfig.GetString("StorageProvider", String.Empty);
+                if (connString == String.Empty)
+                    connString = dbConfig.GetString("ConnectionString", String.Empty);
+            }
+
+            //
+            // [UserAgentService] section overrides [DatabaseService], if it exists
+            //
+            IConfig gridConfig = config.Configs["UserAgentService"];
+            if (gridConfig != null)
+            {
+                dllName = gridConfig.GetString("StorageProvider", dllName);
+                connString = gridConfig.GetString("ConnectionString", connString);
+                realm = gridConfig.GetString("Realm", realm);
+            }
+
+            //
+            // We tried, but this doesn't exist. We can't proceed.
+            //
+            if (dllName.Equals(String.Empty))
+                throw new Exception("No StorageProvider configured");
+
+            m_Database = LoadPlugin<IHGTravelingData>(dllName, new Object[] { connString, realm });
+            if (m_Database == null)
+                throw new Exception("Could not find a storage interface in the given module");
+
+        }
+    }
+}