Merge branch 'master' of /home/opensim/var/repo/opensim

OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferModule.cs

@@ -46,7 +46,7 @@ using Nini.Config;
 
 namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
 {
-    public class EntityTransferModule : ISharedRegionModule, IEntityTransferModule
+    public class EntityTransferModule : INonSharedRegionModule, IEntityTransferModule
     {
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
@@ -65,9 +65,11 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
         public bool EnableWaitForCallbackFromTeleportDest { get; set; }
 
         protected bool m_Enabled = false;
-        protected Scene m_aScene;
+
-        protected List<Scene> m_Scenes = new List<Scene>();
+        protected Scene m_scene;
+
         protected List<UUID> m_agentsInTransit;
+
         private ExpiringCache<UUID, ExpiringCache<ulong, DateTime>> m_bannedRegions =
                 new ExpiringCache<UUID, ExpiringCache<ulong, DateTime>>();
 
@@ -129,10 +131,8 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
             if (!m_Enabled)
                 return;
 
-            if (m_aScene == null)
+            m_scene = scene;
-                m_aScene = scene;
 
-            m_Scenes.Add(scene);
             scene.RegisterModuleInterface<IEntityTransferModule>(this);
             scene.EventManager.OnNewClient += OnNewClient;
         }
@@ -143,27 +143,11 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
             client.OnTeleportLandmarkRequest += RequestTeleportLandmark;
         }
 
-        public virtual void Close()
+        public virtual void Close() {}
-        {
-            if (!m_Enabled)
-                return;
-        }
 
-        public virtual void RemoveRegion(Scene scene)
+        public virtual void RemoveRegion(Scene scene) {}
-        {
-            if (!m_Enabled)
-                return;
-            if (scene == m_aScene)
-                m_aScene = null;
 
-            m_Scenes.Remove(scene);
+        public virtual void RegionLoaded(Scene scene) {}
-        }
-
-        public virtual void RegionLoaded(Scene scene)
-        {
-            if (!m_Enabled)
-                return;
-        }
 
         #endregion
 
@@ -294,7 +278,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
         {
             uint x = 0, y = 0;
             Utils.LongToUInts(regionHandle, out x, out y);
-            GridRegion reg = m_aScene.GridService.GetRegionByPosition(sp.Scene.RegionInfo.ScopeID, (int)x, (int)y);
+            GridRegion reg = m_scene.GridService.GetRegionByPosition(sp.Scene.RegionInfo.ScopeID, (int)x, (int)y);
 
             if (reg != null)
             {
@@ -441,7 +425,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
 
                 string reason;
                 string version;
-                if (!m_aScene.SimulationService.QueryAccess(
+                if (!m_scene.SimulationService.QueryAccess(
                     finalDestination, sp.ControllingClient.AgentId, Vector3.Zero, out version, out reason))
                 {
                     sp.ControllingClient.SendTeleportFailed(reason);
@@ -660,7 +644,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
             EnableChildAgents(sp);
 
             // Finally, kill the agent we just created at the destination.
-            m_aScene.SimulationService.CloseAgent(finalDestination, sp.UUID);
+            m_scene.SimulationService.CloseAgent(finalDestination, sp.UUID);
 
             sp.Scene.EventManager.TriggerTeleportFail(sp.ControllingClient, logout);
         }
@@ -668,7 +652,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
         protected virtual bool CreateAgent(ScenePresence sp, GridRegion reg, GridRegion finalDestination, AgentCircuitData agentCircuit, uint teleportFlags, out string reason, out bool logout)
         {
             logout = false;
-            bool success = m_aScene.SimulationService.CreateAgent(finalDestination, agentCircuit, teleportFlags, out reason);
+            bool success = m_scene.SimulationService.CreateAgent(finalDestination, agentCircuit, teleportFlags, out reason);
 
             if (success)
                 sp.Scene.EventManager.TriggerTeleportStart(sp.ControllingClient, reg, finalDestination, teleportFlags, logout);
@@ -678,7 +662,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
 
         protected virtual bool UpdateAgent(GridRegion reg, GridRegion finalDestination, AgentData agent)
         {
-            return m_aScene.SimulationService.UpdateAgent(finalDestination, agent);
+            return m_scene.SimulationService.UpdateAgent(finalDestination, agent);
         }
 
         protected virtual void SetCallbackURL(AgentData agent, RegionInfo region)
@@ -730,7 +714,6 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
             return false;
         }
 
-
         #endregion
 
         #region Landmark Teleport
@@ -742,7 +725,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
         /// <param name="position"></param>
         public virtual void RequestTeleportLandmark(IClientAPI remoteClient, AssetLandmark lm)
         {
-            GridRegion info = m_aScene.GridService.GetRegionByUUID(UUID.Zero, lm.RegionID);
+            GridRegion info = m_scene.GridService.GetRegionByUUID(UUID.Zero, lm.RegionID);
 
             if (info == null)
             {
@@ -763,12 +746,12 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
             m_log.DebugFormat(
                 "[ENTITY TRANSFER MODULE]: Request to teleport {0} {1} home", client.Name, client.AgentId);
 
-            //OpenSim.Services.Interfaces.PresenceInfo pinfo = m_aScene.PresenceService.GetAgent(client.SessionId);
+            //OpenSim.Services.Interfaces.PresenceInfo pinfo = m_scene.PresenceService.GetAgent(client.SessionId);
-            GridUserInfo uinfo = m_aScene.GridUserService.GetGridUserInfo(client.AgentId.ToString());
+            GridUserInfo uinfo = m_scene.GridUserService.GetGridUserInfo(client.AgentId.ToString());
 
             if (uinfo != null)
             {
-                GridRegion regionInfo = m_aScene.GridService.GetRegionByUUID(UUID.Zero, uinfo.HomeRegionID);
+                GridRegion regionInfo = m_scene.GridService.GetRegionByUUID(UUID.Zero, uinfo.HomeRegionID);
                 if (regionInfo == null)
                 {
                     // can't find the Home region: Tell viewer and abort
@@ -1625,7 +1608,6 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
         #region Agent Arrived
         public void AgentArrivedAtDestination(UUID id)
         {
-            m_log.DebugFormat("[ENTITY TRANSFER MODULE]: Agent {0} released", id);
             ResetFromTransit(id);
         }
 
@@ -1896,8 +1878,8 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
                 //// And the new channel...
                 //if (m_interregionCommsOut != null)
                 //    successYN = m_interregionCommsOut.SendCreateObject(newRegionHandle, grp, true);
-                if (m_aScene.SimulationService != null)
+                if (m_scene.SimulationService != null)
-                    successYN = m_aScene.SimulationService.CreateObject(destination, newPosition, grp, true);
+                    successYN = m_scene.SimulationService.CreateObject(destination, newPosition, grp, true);
 
                 if (successYN)
                 {
@@ -2004,7 +1986,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
         /// </summary>
         /// <returns>true if the agent is in the process of being teleported, false otherwise.</returns>
         /// <param name='id'>The agent ID</para></param>
-        protected bool IsInTransit(UUID id)
+        public bool IsInTransit(UUID id)
         {
             lock (m_agentsInTransit)
                 return m_agentsInTransit.Contains(id);
@@ -2024,10 +2006,19 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
                 if (m_agentsInTransit.Contains(id))
                 {
                     m_agentsInTransit.Remove(id);
+
+                    m_log.DebugFormat(
+                        "[ENTITY TRANSFER MODULE]: Agent {0} cleared from transit in {1}",
+                        id, m_scene.RegionInfo.RegionName);
+
                     return true;
                 }
             }
 
+            m_log.WarnFormat(
+                "[ENTITY TRANSFER MODULE]: Agent {0} requested to clear from transit in {1} but was already cleared.",
+                id, m_scene.RegionInfo.RegionName);
+
             return false;
         }
 

OpenSim/Region/CoreModules/Framework/EntityTransfer/HGEntityTransferModule.cs

@@ -45,11 +45,11 @@ using Nini.Config;
 
 namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
 {
-    public class HGEntityTransferModule : EntityTransferModule, ISharedRegionModule, IEntityTransferModule, IUserAgentVerificationModule
+    public class HGEntityTransferModule
+        : EntityTransferModule, INonSharedRegionModule, IEntityTransferModule, IUserAgentVerificationModule
     {
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
-        private bool m_Initialized = false;
         private int m_levelHGTeleport = 0;
 
         private GatekeeperServiceConnector m_GatekeeperConnector;
@@ -64,6 +64,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
         public override void Initialise(IConfigSource source)
         {
             IConfig moduleConfig = source.Configs["Modules"];
+
             if (moduleConfig != null)
             {
                 string name = moduleConfig.GetString("EntityTransferModule", "");
@@ -82,10 +83,9 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
         public override void AddRegion(Scene scene)
         {
             base.AddRegion(scene);
+
             if (m_Enabled)
-            {
                 scene.RegisterModuleInterface<IUserAgentVerificationModule>(this);
-            }
         }
 
         protected override void OnNewClient(IClientAPI client)
@@ -98,24 +98,18 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
         public override void RegionLoaded(Scene scene)
         {
             base.RegionLoaded(scene);
+
             if (m_Enabled)
-                if (!m_Initialized)
+                m_GatekeeperConnector = new GatekeeperServiceConnector(scene.AssetService);
-                {
-                    m_GatekeeperConnector = new GatekeeperServiceConnector(scene.AssetService);
-                    m_Initialized = true;
-
-                }
-
         }
+
         public override void RemoveRegion(Scene scene)
         {
             base.AddRegion(scene);
-            if (m_Enabled)
-            {
-                scene.UnregisterModuleInterface<IUserAgentVerificationModule>(this);
-            }
-        }
 
+            if (m_Enabled)
+                scene.UnregisterModuleInterface<IUserAgentVerificationModule>(this);
+        }
 
         #endregion
 
@@ -123,8 +117,9 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
 
         protected override GridRegion GetFinalDestination(GridRegion region)
         {
-            int flags = m_aScene.GridService.GetRegionFlags(m_aScene.RegionInfo.ScopeID, region.RegionID);
+            int flags = m_scene.GridService.GetRegionFlags(m_scene.RegionInfo.ScopeID, region.RegionID);
             m_log.DebugFormat("[HG ENTITY TRANSFER MODULE]: region {0} flags: {1}", region.RegionID, flags);
+
             if ((flags & (int)OpenSim.Data.RegionFlags.Hyperlink) != 0)
             {
                 m_log.DebugFormat("[HG ENTITY TRANSFER MODULE]: Destination region {0} is hyperlink", region.RegionID);
@@ -135,6 +130,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
                     m_log.WarnFormat("[HG ENTITY TRANSFER MODULE]: GetHyperlinkRegion to Gatekeeper {0} failed", region.ServerURI);
                 return real_destination;
             }
+
             return region;
         }
 
@@ -143,7 +139,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
             if (base.NeedsClosing(drawdist, oldRegionX, newRegionX, oldRegionY, newRegionY, reg))
                 return true;
 
-            int flags = m_aScene.GridService.GetRegionFlags(m_aScene.RegionInfo.ScopeID, reg.RegionID);
+            int flags = m_scene.GridService.GetRegionFlags(m_scene.RegionInfo.ScopeID, reg.RegionID);
             if (flags == -1 /* no region in DB */ || (flags & (int)OpenSim.Data.RegionFlags.Hyperlink) != 0)
                 return true;
 
@@ -156,7 +152,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
             if (logout)
             {
                 // Log them out of this grid
-                m_aScene.PresenceService.LogoutAgent(sp.ControllingClient.SessionId);
+                m_scene.PresenceService.LogoutAgent(sp.ControllingClient.SessionId);
             }
         }
 
@@ -165,7 +161,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
             m_log.DebugFormat("[HG ENTITY TRANSFER MODULE]: CreateAgent {0} {1}", reg.ServerURI, finalDestination.ServerURI);
             reason = string.Empty;
             logout = false;
-            int flags = m_aScene.GridService.GetRegionFlags(m_aScene.RegionInfo.ScopeID, reg.RegionID);
+            int flags = m_scene.GridService.GetRegionFlags(m_scene.RegionInfo.ScopeID, reg.RegionID);
             if (flags == -1 /* no region in DB */ || (flags & (int)OpenSim.Data.RegionFlags.Hyperlink) != 0)
             {
                 // this user is going to another grid
@@ -205,7 +201,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
                 "[ENTITY TRANSFER MODULE]: Request to teleport {0} {1} home", client.Name, client.AgentId);
 
             // Let's find out if this is a foreign user or a local user
-            IUserManagement uMan = m_aScene.RequestModuleInterface<IUserManagement>(); 
+            IUserManagement uMan = m_scene.RequestModuleInterface<IUserManagement>();
             if (uMan != null && uMan.IsLocalGridUser(id))
             {
                 // local grid user
@@ -262,19 +258,21 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
         {
             m_log.DebugFormat("[HG ENTITY TRANSFER MODULE]: Teleporting agent via landmark to {0} region {1} position {2}", 
                 (lm.Gatekeeper == string.Empty) ? "local" : lm.Gatekeeper, lm.RegionID, lm.Position);
+
             if (lm.Gatekeeper == string.Empty)
             {
                 base.RequestTeleportLandmark(remoteClient, lm);
                 return;
             }
 
-            GridRegion info = m_aScene.GridService.GetRegionByUUID(UUID.Zero, lm.RegionID);
+            GridRegion info = m_scene.GridService.GetRegionByUUID(UUID.Zero, lm.RegionID);
 
             // Local region?
             if (info != null)
             {
                 ((Scene)(remoteClient.Scene)).RequestTeleportLocation(remoteClient, info.RegionHandle, lm.Position,
                     Vector3.Zero, (uint)(Constants.TeleportFlags.SetLastToTarget | Constants.TeleportFlags.ViaLandmark));
+
                 return;
             }
             else 
@@ -285,6 +283,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
                 GridRegion gatekeeper = new GridRegion();
                 gatekeeper.ServerURI = lm.Gatekeeper;
                 GridRegion finalDestination = gConn.GetHyperlinkRegion(gatekeeper, new UUID(lm.RegionID));
+
                 if (finalDestination != null)
                 {
                     ScenePresence sp = scene.GetScenePresence(remoteClient.AgentId);
@@ -315,7 +314,11 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
                 return security.VerifyClient(aCircuit.SessionID, token);
             } 
             else
-                m_log.DebugFormat("[HG ENTITY TRANSFER MODULE]: Agent {0} {1} does not have a HomeURI OH NO!", aCircuit.firstname, aCircuit.lastname);
+            {
+                m_log.DebugFormat(
+                    "[HG ENTITY TRANSFER MODULE]: Agent {0} {1} does not have a HomeURI OH NO!",
+                    aCircuit.firstname, aCircuit.lastname);
+            }
 
             return false;
         }
@@ -332,8 +335,8 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
                 }
 
                 // Let's find out if this is a foreign user or a local user
-                IUserManagement uMan = m_aScene.RequestModuleInterface<IUserManagement>();
+                IUserManagement uMan = m_scene.RequestModuleInterface<IUserManagement>();
-                UserAccount account = m_aScene.UserAccountService.GetUserAccount(m_aScene.RegionInfo.ScopeID, obj.AgentId);
+                UserAccount account = m_scene.UserAccountService.GetUserAccount(m_scene.RegionInfo.ScopeID, obj.AgentId);
                 if (uMan != null && uMan.IsLocalGridUser(obj.AgentId))
                 {
                     // local grid user
@@ -356,7 +359,6 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
 
         #endregion
 
-
         private GridRegion MakeRegion(AgentCircuitData aCircuit)
         {
             GridRegion region = new GridRegion();
@@ -373,6 +375,5 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
             region.InternalEndPoint = new System.Net.IPEndPoint(System.Net.IPAddress.Parse("0.0.0.0"), (int)0);
             return region;
         }
-
     }
 }

OpenSim/Region/CoreModules/ServiceConnectorsOut/Simulation/LocalSimulationConnector.cs

@@ -26,6 +26,7 @@
  */
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Reflection;
 using log4net;
 using Nini.Config;
@@ -41,22 +42,20 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation
     public class LocalSimulationConnectorModule : ISharedRegionModule, ISimulationService
     {
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
-        // Version of this service
+
+        /// <summary>
+        /// Version of this service
+        /// </summary>
         private const string m_Version = "SIMULATION/0.1";
 
-        private List<Scene> m_sceneList = new List<Scene>();
+        /// <summary>
-
+        /// Map region ID to scene.
-        private IEntityTransferModule m_AgentTransferModule;
+        /// </summary>
-        protected IEntityTransferModule AgentTransferModule
+        private Dictionary<UUID, Scene> m_scenes = new Dictionary<UUID, Scene>();
-        {
-            get
-            {
-                if (m_AgentTransferModule == null)
-                    m_AgentTransferModule = m_sceneList[0].RequestModuleInterface<IEntityTransferModule>();
-                return m_AgentTransferModule;
-            }
-        }
 
+        /// <summary>
+        /// Is this module enabled?
+        /// </summary>
         private bool m_ModuleEnabled = false;
 
         #region IRegionModule
@@ -129,12 +128,14 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation
         /// <param name="scene"></param>
         public void RemoveScene(Scene scene)
         {
-            lock (m_sceneList)
+            lock (m_scenes)
             {
-                if (m_sceneList.Contains(scene))
+                if (m_scenes.ContainsKey(scene.RegionInfo.RegionID))
-                {
+                    m_scenes.Remove(scene.RegionInfo.RegionID);
-                    m_sceneList.Remove(scene);
+                else
-                }
+                    m_log.WarnFormat(
+                        "[LOCAL SIMULATION CONNECTOR]: Tried to remove region {0} but it was not present",
+                        scene.RegionInfo.RegionName);
             }
         }
 
@@ -144,13 +145,14 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation
         /// <param name="scene"></param>
         public void Init(Scene scene)
         {
-            if (!m_sceneList.Contains(scene))
+            lock (m_scenes)
             {
-                lock (m_sceneList)
+                if (!m_scenes.ContainsKey(scene.RegionInfo.RegionID))
-                {
+                    m_scenes[scene.RegionInfo.RegionID] = scene;
-                    m_sceneList.Add(scene);
+                else
-                }
+                    m_log.WarnFormat(
-
+                        "[LOCAL SIMULATION CONNECTOR]: Tried to add region {0} but it is already present",
+                        scene.RegionInfo.RegionName);
             }
         }
 
@@ -158,15 +160,24 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation
 
         #region ISimulation
 
-        public IScene GetScene(ulong regionhandle)
+        public IScene GetScene(UUID regionId)
         {
-            foreach (Scene s in m_sceneList)
+            if (m_scenes.ContainsKey(regionId))
             {
-                if (s.RegionInfo.RegionHandle == regionhandle)
+                return m_scenes[regionId];
-                    return s;
+            }
+            else
+            {
+                // FIXME: This was pre-existing behaviour but possibly not a good idea, since it hides an error rather
+                // than making it obvious and fixable.  Need to see if the error message comes up in practice.
+                Scene s = m_scenes.Values.ToArray()[0];
+
+                m_log.ErrorFormat(
+                    "[LOCAL SIMULATION CONNECTOR]: Region with id {0} not found.  Returning {1} {2} instead",
+                    regionId, s.RegionInfo.RegionName, s.RegionInfo.RegionID);
+
+                return s;
             }
-            // ? weird. should not happen
-            return m_sceneList[0];
         }
 
         public ISimulationService GetInnerService()
@@ -187,13 +198,10 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation
                 return false;
             }
 
-            foreach (Scene s in m_sceneList)
+            if (m_scenes.ContainsKey(destination.RegionID))
             {
-                if (s.RegionInfo.RegionHandle == destination.RegionHandle)
-                {
 //                    m_log.DebugFormat("[LOCAL SIMULATION CONNECTOR]: Found region {0} to send SendCreateChildAgent", destination.RegionName);
-                    return s.NewUserConnection(aCircuit, teleportFlags, out reason);
+                return m_scenes[destination.RegionID].NewUserConnection(aCircuit, teleportFlags, out reason);
-                }
             }
 
             reason = "Did not find region " + destination.RegionName;
@@ -205,17 +213,13 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation
             if (destination == null)
                 return false;
 
-            foreach (Scene s in m_sceneList)
+            if (m_scenes.ContainsKey(destination.RegionID))
             {
-                if (s.RegionInfo.RegionHandle == destination.RegionHandle)
-                {
 //                    m_log.DebugFormat(
 //                        "[LOCAL SIMULATION CONNECTOR]: Found region {0} {1} to send AgentUpdate",
 //                        s.RegionInfo.RegionName, destination.RegionHandle);
 
-                    s.IncomingChildAgentDataUpdate(cAgentData);
+                return m_scenes[destination.RegionID].IncomingChildAgentDataUpdate(cAgentData);
-                    return true;
-                }
             }
 
 //            m_log.DebugFormat("[LOCAL COMMS]: Did not find region {0} for ChildAgentUpdate", regionHandle);
@@ -231,11 +235,12 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation
             // simulator so when we receive the update we need to hand it to each of the
             // scenes; scenes each check to see if the is a scene presence for the avatar
             // note that we really don't need the GridRegion for this call
-            foreach (Scene s in m_sceneList)
+            foreach (Scene s in m_scenes.Values)
             {
                 //m_log.Debug("[LOCAL COMMS]: Found region to send ChildAgentUpdate");
                 s.IncomingChildAgentDataUpdate(cAgentData);
             }
+
             //m_log.Debug("[LOCAL COMMS]: region not found for ChildAgentUpdate");
             return true;
         }
@@ -247,14 +252,15 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation
             if (destination == null)
                 return false;
 
-            foreach (Scene s in m_sceneList)
+            if (m_scenes.ContainsKey(destination.RegionID))
             {
-                if (s.RegionInfo.RegionHandle == destination.RegionHandle)
+//                    m_log.DebugFormat(
-                {
+//                        "[LOCAL SIMULATION CONNECTOR]: Found region {0} {1} to send AgentUpdate",
-                    //m_log.Debug("[LOCAL COMMS]: Found region to send ChildAgentUpdate");
+//                        s.RegionInfo.RegionName, destination.RegionHandle);
-                    return s.IncomingRetrieveRootAgent(id, out agent);
+
-                }
+                return m_scenes[destination.RegionID].IncomingRetrieveRootAgent(id, out agent);
             }
+
             //m_log.Debug("[LOCAL COMMS]: region not found for ChildAgentUpdate");
             return false;
         }
@@ -266,27 +272,31 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation
             if (destination == null)
                 return false;
 
-            foreach (Scene s in m_sceneList)
+            if (m_scenes.ContainsKey(destination.RegionID))
             {
-                if (s.RegionInfo.RegionID == destination.RegionID)
+//                    m_log.DebugFormat(
-                    return s.QueryAccess(id, position, out reason);
+//                        "[LOCAL SIMULATION CONNECTOR]: Found region {0} {1} to send AgentUpdate",
+//                        s.RegionInfo.RegionName, destination.RegionHandle);
+
+                return m_scenes[destination.RegionID].QueryAccess(id, position, out reason);
             }
+
             //m_log.Debug("[LOCAL COMMS]: region not found for QueryAccess");
             return false;
         }
 
-        public bool ReleaseAgent(UUID origin, UUID id, string uri)
+        public bool ReleaseAgent(UUID originId, UUID agentId, string uri)
         {
-            foreach (Scene s in m_sceneList)
+            if (m_scenes.ContainsKey(originId))
             {
-                if (s.RegionInfo.RegionID == origin)
+//                    m_log.DebugFormat(
-                {
+//                        "[LOCAL SIMULATION CONNECTOR]: Found region {0} {1} to send AgentUpdate",
-//                    m_log.Debug("[LOCAL COMMS]: Found region to SendReleaseAgent");
+//                        s.RegionInfo.RegionName, destination.RegionHandle);
-                    AgentTransferModule.AgentArrivedAtDestination(id);
+
-                    return true;
+                m_scenes[originId].EntityTransferModule.AgentArrivedAtDestination(agentId);
-//                    return s.IncomingReleaseAgent(id);
+                return true;
-                }
             }
+
             //m_log.Debug("[LOCAL COMMS]: region not found in SendReleaseAgent " + origin);
             return false;
         }
@@ -296,17 +306,16 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation
             if (destination == null)
                 return false;
 
-            foreach (Scene s in m_sceneList)
+            if (m_scenes.ContainsKey(destination.RegionID))
             {
-                if (s.RegionInfo.RegionID == destination.RegionID)
+//                    m_log.DebugFormat(
-                {
+//                        "[LOCAL SIMULATION CONNECTOR]: Found region {0} {1} to send AgentUpdate",
-                    //m_log.Debug("[LOCAL COMMS]: Found region to SendCloseAgent");
+//                        s.RegionInfo.RegionName, destination.RegionHandle);
-                    // Let's spawn a threadlet right here, because this may take
+
-                    // a while
+                Util.FireAndForget(delegate { m_scenes[destination.RegionID].IncomingCloseAgent(id); });
-                    Util.FireAndForget(delegate { s.IncomingCloseAgent(id); });
+                return true;
-                    return true;
-                }
             }
+
             //m_log.Debug("[LOCAL COMMS]: region not found in SendCloseAgent");
             return false;
         }
@@ -320,25 +329,28 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation
             if (destination == null)
                 return false;
 
-            foreach (Scene s in m_sceneList)
+            if (m_scenes.ContainsKey(destination.RegionID))
             {
-                if (s.RegionInfo.RegionHandle == destination.RegionHandle)
+//                    m_log.DebugFormat(
+//                        "[LOCAL SIMULATION CONNECTOR]: Found region {0} {1} to send AgentUpdate",
+//                        s.RegionInfo.RegionName, destination.RegionHandle);
+
+                Scene s = m_scenes[destination.RegionID];
+
+                if (isLocalCall)
                 {
-                    //m_log.Debug("[LOCAL COMMS]: Found region to SendCreateObject");
+                    // We need to make a local copy of the object
-                    if (isLocalCall)
+                    ISceneObject sogClone = sog.CloneForNewScene();
-                    {
+                    sogClone.SetState(sog.GetStateSnapshot(), s);
-                        // We need to make a local copy of the object
+                    return s.IncomingCreateObject(newPosition, sogClone);
-                        ISceneObject sogClone = sog.CloneForNewScene();
+                }
-                        sogClone.SetState(sog.GetStateSnapshot(), s);
+                else
-                        return s.IncomingCreateObject(newPosition, sogClone);
+                {
-                    }
+                    // Use the object as it came through the wire
-                    else
+                    return s.IncomingCreateObject(newPosition, sog);
-                    {
-                        // Use the object as it came through the wire
-                        return s.IncomingCreateObject(newPosition, sog);
-                    }
                 }
             }
+
             return false;
         }
 
@@ -347,13 +359,15 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation
             if (destination == null)
                 return false;
 
-            foreach (Scene s in m_sceneList)
+            if (m_scenes.ContainsKey(destination.RegionID))
             {
-                if (s.RegionInfo.RegionHandle == destination.RegionHandle)
+//                    m_log.DebugFormat(
-                {
+//                        "[LOCAL SIMULATION CONNECTOR]: Found region {0} {1} to send AgentUpdate",
-                    return s.IncomingCreateObject(userID, itemID);
+//                        s.RegionInfo.RegionName, destination.RegionHandle);
-                }
+
+                return m_scenes[destination.RegionID].IncomingCreateObject(userID, itemID);
             }
+
             return false;
         }
 
@@ -364,18 +378,16 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation
 
         public bool IsLocalRegion(ulong regionhandle)
         {
-            foreach (Scene s in m_sceneList)
+            foreach (Scene s in m_scenes.Values)
                 if (s.RegionInfo.RegionHandle == regionhandle)
                     return true;
+
             return false;
         }
 
         public bool IsLocalRegion(UUID id)
         {
-            foreach (Scene s in m_sceneList)
+            return m_scenes.ContainsKey(id);
-                if (s.RegionInfo.RegionID == id)
-                    return true;
-            return false;
         }
 
         #endregion

OpenSim/Region/CoreModules/ServiceConnectorsOut/Simulation/RemoteSimulationConnector.cs

@@ -151,9 +151,9 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation
 
         #region IInterregionComms
 
-        public IScene GetScene(ulong handle)
+        public IScene GetScene(UUID regionId)
         {
-            return m_localBackend.GetScene(handle);
+            return m_localBackend.GetScene(regionId);
         }
 
         public ISimulationService GetInnerService()

OpenSim/Region/CoreModules/World/Archiver/ArchiveWriteRequestPreparation.cs

@@ -428,9 +428,9 @@ namespace OpenSim.Region.CoreModules.World.Archiver
                 s = sw.ToString();
             }
 
-            if (m_scene != null)
+//            if (m_scene != null)
-                Console.WriteLine(
+//                Console.WriteLine(
-                    "[ARCHIVE WRITE REQUEST PREPARATION]: Control file for {0} is: {1}", m_scene.RegionInfo.RegionName, s);
+//                    "[ARCHIVE WRITE REQUEST PREPARATION]: Control file for {0} is: {1}", m_scene.RegionInfo.RegionName, s);
 
             return s;
         }

OpenSim/Region/Framework/Interfaces/IEntityTransferModule.cs

@@ -74,6 +74,13 @@ namespace OpenSim.Region.Framework.Interfaces
         /// <param name='client'></param>
         void TeleportHome(UUID id, IClientAPI client);
 
+        /// <summary>
+        /// Show whether the given agent is being teleported.
+        /// </summary>
+        /// <returns>true if the agent is in the process of being teleported, false otherwise.</returns>
+        /// <param name='id'>The agent ID</para></param>
+        bool IsInTransit(UUID id);        
+
         bool Cross(ScenePresence agent, bool isFlying);
 
         void AgentArrivedAtDestination(UUID agent);

OpenSim/Region/Framework/Scenes/Scene.cs

@@ -166,7 +166,6 @@ namespace OpenSim.Region.Framework.Scenes
         protected IConfigSource m_config;
         protected IRegionSerialiserModule m_serialiser;
         protected IDialogModule m_dialogModule;
-        protected IEntityTransferModule m_teleportModule;
         protected ICapabilitiesModule m_capsModule;
         protected IGroupsModule m_groupsModule;
 
@@ -498,6 +497,7 @@ namespace OpenSim.Region.Framework.Scenes
         }
 
         public IAttachmentsModule AttachmentsModule { get; set; }
+        public IEntityTransferModule EntityTransferModule { get; private set; }
 
         public IAvatarFactoryModule AvatarFactory
         {
@@ -924,8 +924,8 @@ namespace OpenSim.Region.Framework.Scenes
                             List<ulong> old = new List<ulong>();
                             old.Add(otherRegion.RegionHandle);
                             agent.DropOldNeighbours(old);
-                            if (m_teleportModule != null && agent.PresenceType != PresenceType.Npc)
+                            if (EntityTransferModule != null && agent.PresenceType != PresenceType.Npc)
-                                m_teleportModule.EnableChildAgent(agent, otherRegion);
+                                EntityTransferModule.EnableChildAgent(agent, otherRegion);
                         });
                     }
                     catch (NullReferenceException)
@@ -1062,8 +1062,8 @@ namespace OpenSim.Region.Framework.Scenes
                     {
                         ForEachRootScenePresence(delegate(ScenePresence agent)
                         {
-                            if (m_teleportModule != null && agent.PresenceType != PresenceType.Npc)
+                            if (EntityTransferModule != null && agent.PresenceType != PresenceType.Npc)
-                                m_teleportModule.EnableChildAgent(agent, r);
+                                EntityTransferModule.EnableChildAgent(agent, r);
                         });
                     }
                     catch (NullReferenceException)
@@ -1238,7 +1238,7 @@ namespace OpenSim.Region.Framework.Scenes
             m_serialiser = RequestModuleInterface<IRegionSerialiserModule>();
             m_dialogModule = RequestModuleInterface<IDialogModule>();
             m_capsModule = RequestModuleInterface<ICapabilitiesModule>();
-            m_teleportModule = RequestModuleInterface<IEntityTransferModule>();
+            EntityTransferModule = RequestModuleInterface<IEntityTransferModule>();
             m_groupsModule = RequestModuleInterface<IGroupsModule>();
         }
 
@@ -2275,8 +2275,8 @@ namespace OpenSim.Region.Framework.Scenes
                 return;
             }
 
-            if (m_teleportModule != null)
+            if (EntityTransferModule != null)
-                m_teleportModule.Cross(grp, attemptedPosition, silent);
+                EntityTransferModule.Cross(grp, attemptedPosition, silent);
         }
 
         public Border GetCrossedBorder(Vector3 position, Cardinals gridline)
@@ -3078,8 +3078,10 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="client">The IClientAPI for the client</param>
         public virtual void TeleportClientHome(UUID agentId, IClientAPI client)
         {
-            if (m_teleportModule != null)
+            if (EntityTransferModule != null)
-                m_teleportModule.TeleportHome(agentId, client);
+            {
+                EntityTransferModule.TeleportHome(agentId, client);
+            }
             else
             {
                 m_log.DebugFormat("[SCENE]: Unable to teleport user home: no AgentTransferModule is active");
@@ -3638,7 +3640,6 @@ namespace OpenSim.Region.Framework.Scenes
 
         private bool TestLandRestrictions(AgentCircuitData agent, ILandObject land,  out string reason)
         {
-      
             bool banned = land.IsBannedFromLand(agent.AgentID);
             bool restricted = land.IsRestrictedFromLand(agent.AgentID);
 
@@ -4131,8 +4132,10 @@ namespace OpenSim.Region.Framework.Scenes
                     position.Y -= shifty;
                 }
 
-                if (m_teleportModule != null)
+                if (EntityTransferModule != null)
-                    m_teleportModule.Teleport(sp, regionHandle, position, lookAt, teleportFlags);
+                {
+                    EntityTransferModule.Teleport(sp, regionHandle, position, lookAt, teleportFlags);
+                }
                 else
                 {
                     m_log.DebugFormat("[SCENE]: Unable to perform teleports: no AgentTransferModule is active");
@@ -4143,8 +4146,10 @@ namespace OpenSim.Region.Framework.Scenes
 
         public bool CrossAgentToNewRegion(ScenePresence agent, bool isFlying)
         {
-            if (m_teleportModule != null)
+            if (EntityTransferModule != null)
-                return m_teleportModule.Cross(agent, isFlying);
+            {
+                return EntityTransferModule.Cross(agent, isFlying);
+            }
             else
             {
                 m_log.DebugFormat("[SCENE]: Unable to cross agent to neighbouring region, because there is no AgentTransferModule");
@@ -5188,14 +5193,34 @@ namespace OpenSim.Region.Framework.Scenes
                 throw new Exception(error);
         }
 
-        // This method is called across the simulation connector to
+        /// <summary>
-        // determine if a given agent is allowed in this region
+        /// This method is called across the simulation connector to
-        // AS A ROOT AGENT. Returning false here will prevent them
+        /// determine if a given agent is allowed in this region
-        // from logging into the region, teleporting into the region
+        /// AS A ROOT AGENT
-        // or corssing the broder walking, but will NOT prevent
+        /// </summary>
-        // child agent creation, thereby emulating the SL behavior.
+        /// <remarks>
+        /// Returning false here will prevent them
+        /// from logging into the region, teleporting into the region
+        /// or corssing the broder walking, but will NOT prevent
+        /// child agent creation, thereby emulating the SL behavior.
+        /// </remarks>
+        /// <param name='agentID'></param>
+        /// <param name='position'></param>
+        /// <param name='reason'></param>
+        /// <returns></returns>
         public bool QueryAccess(UUID agentID, Vector3 position, out string reason)
         {
+            if (EntityTransferModule.IsInTransit(agentID))
+            {
+                reason = "Agent is already in transit on this region";
+
+                m_log.DebugFormat(
+                    "[SCENE]: Denying agent {0} entry into {1} since region already has them registered as in transit",
+                    agentID, RegionInfo.RegionName);
+
+                return false;
+            }
+
             // FIXME: Root agent count is currently known to be inaccurate.  This forces a recount before we check.
             // However, the long term fix is to make sure root agent count is always accurate.
             m_sceneGraph.RecalculateStats();

OpenSim/Region/Framework/Scenes/Tests/ScenePresenceTeleportTests.cs

@@ -110,12 +110,13 @@ namespace OpenSim.Region.Framework.Scenes.Tests
 
             UUID userId = TestHelpers.ParseTail(0x1);
 
-            EntityTransferModule etm = new EntityTransferModule();
+            EntityTransferModule etmA = new EntityTransferModule();
+            EntityTransferModule etmB = new EntityTransferModule();
             LocalSimulationConnectorModule lscm = new LocalSimulationConnectorModule();
 
             IConfigSource config = new IniConfigSource();
             IConfig modulesConfig = config.AddConfig("Modules");
-            modulesConfig.Set("EntityTransferModule", etm.Name);
+            modulesConfig.Set("EntityTransferModule", etmA.Name);
             modulesConfig.Set("SimulationServices", lscm.Name);
             IConfig entityTransferConfig = config.AddConfig("EntityTransfer");
 
@@ -127,7 +128,9 @@ namespace OpenSim.Region.Framework.Scenes.Tests
             TestScene sceneA = sh.SetupScene("sceneA", TestHelpers.ParseTail(0x100), 1000, 1000);
             TestScene sceneB = sh.SetupScene("sceneB", TestHelpers.ParseTail(0x200), 1002, 1000);
 
-            SceneHelpers.SetupSceneModules(new Scene[] { sceneA, sceneB }, config, etm, lscm);
+            SceneHelpers.SetupSceneModules(sceneA, config, etmA);
+            SceneHelpers.SetupSceneModules(sceneB, config, etmB);
+            SceneHelpers.SetupSceneModules(new Scene[] { sceneA, sceneB }, config, lscm);
 
             Vector3 teleportPosition = new Vector3(10, 11, 12);
             Vector3 teleportLookAt = new Vector3(20, 21, 22);
@@ -174,12 +177,14 @@ namespace OpenSim.Region.Framework.Scenes.Tests
             UUID userId = TestHelpers.ParseTail(0x1);
             Vector3 preTeleportPosition = new Vector3(30, 31, 32);
 
-            EntityTransferModule etm = new EntityTransferModule();
+            EntityTransferModule etmA = new EntityTransferModule();
+            EntityTransferModule etmB = new EntityTransferModule();
+
             LocalSimulationConnectorModule lscm = new LocalSimulationConnectorModule();
 
             IConfigSource config = new IniConfigSource();
             config.AddConfig("Modules");
-            config.Configs["Modules"].Set("EntityTransferModule", etm.Name);
+            config.Configs["Modules"].Set("EntityTransferModule", etmA.Name);
             config.Configs["Modules"].Set("SimulationServices", lscm.Name);
 
             config.AddConfig("EntityTransfer");
@@ -195,13 +200,15 @@ namespace OpenSim.Region.Framework.Scenes.Tests
             TestScene sceneA = sh.SetupScene("sceneA", TestHelpers.ParseTail(0x100), 1000, 1000);
             TestScene sceneB = sh.SetupScene("sceneB", TestHelpers.ParseTail(0x200), 1002, 1000);
 
+            SceneHelpers.SetupSceneModules(sceneA, config, etmA );
+
             // We need to set up the permisions module on scene B so that our later use of agent limit to deny
             // QueryAccess won't succeed anyway because administrators are always allowed in and the default
             // IsAdministrator if no permissions module is present is true.
-            SceneHelpers.SetupSceneModules(sceneB, config, new object[] { new PermissionsModule() });
+            SceneHelpers.SetupSceneModules(sceneB, config, new object[] { new PermissionsModule(), etmB });
 
             // Shared scene modules
-            SceneHelpers.SetupSceneModules(new Scene[] { sceneA, sceneB }, config, etm, lscm);
+            SceneHelpers.SetupSceneModules(new Scene[] { sceneA, sceneB }, config, lscm);
 
             Vector3 teleportPosition = new Vector3(10, 11, 12);
             Vector3 teleportLookAt = new Vector3(20, 21, 22);
@@ -249,12 +256,13 @@ namespace OpenSim.Region.Framework.Scenes.Tests
             UUID userId = TestHelpers.ParseTail(0x1);
             Vector3 preTeleportPosition = new Vector3(30, 31, 32);
 
-            EntityTransferModule etm = new EntityTransferModule();
+            EntityTransferModule etmA = new EntityTransferModule();
+            EntityTransferModule etmB = new EntityTransferModule();
             LocalSimulationConnectorModule lscm = new LocalSimulationConnectorModule();
 
             IConfigSource config = new IniConfigSource();
             config.AddConfig("Modules");
-            config.Configs["Modules"].Set("EntityTransferModule", etm.Name);
+            config.Configs["Modules"].Set("EntityTransferModule", etmA.Name);
             config.Configs["Modules"].Set("SimulationServices", lscm.Name);
 
             config.AddConfig("EntityTransfer");
@@ -267,8 +275,11 @@ namespace OpenSim.Region.Framework.Scenes.Tests
             TestScene sceneA = sh.SetupScene("sceneA", TestHelpers.ParseTail(0x100), 1000, 1000);
             TestScene sceneB = sh.SetupScene("sceneB", TestHelpers.ParseTail(0x200), 1002, 1000);
 
+            SceneHelpers.SetupSceneModules(sceneA, config, etmA);
+            SceneHelpers.SetupSceneModules(sceneB, config, etmB);
+
             // Shared scene modules
-            SceneHelpers.SetupSceneModules(new Scene[] { sceneA, sceneB }, config, etm, lscm);
+            SceneHelpers.SetupSceneModules(new Scene[] { sceneA, sceneB }, config, lscm);
 
             Vector3 teleportPosition = new Vector3(10, 11, 12);
             Vector3 teleportLookAt = new Vector3(20, 21, 22);
@@ -312,12 +323,13 @@ namespace OpenSim.Region.Framework.Scenes.Tests
 
             UUID userId = TestHelpers.ParseTail(0x1);
 
-            EntityTransferModule etm = new EntityTransferModule();
+            EntityTransferModule etmA = new EntityTransferModule();
+            EntityTransferModule etmB = new EntityTransferModule();
             LocalSimulationConnectorModule lscm = new LocalSimulationConnectorModule();
 
             IConfigSource config = new IniConfigSource();
             IConfig modulesConfig = config.AddConfig("Modules");
-            modulesConfig.Set("EntityTransferModule", etm.Name);
+            modulesConfig.Set("EntityTransferModule", etmA.Name);
             modulesConfig.Set("SimulationServices", lscm.Name);
             IConfig entityTransferConfig = config.AddConfig("EntityTransfer");
 
@@ -329,9 +341,9 @@ namespace OpenSim.Region.Framework.Scenes.Tests
             TestScene sceneA = sh.SetupScene("sceneA", TestHelpers.ParseTail(0x100), 1000, 1000);
             TestScene sceneB = sh.SetupScene("sceneB", TestHelpers.ParseTail(0x200), 1001, 1000);
 
-            SceneHelpers.SetupSceneModules(new Scene[] { sceneA, sceneB }, config, etm, lscm);
+            SceneHelpers.SetupSceneModules(new Scene[] { sceneA, sceneB }, config, lscm);
-            SceneHelpers.SetupSceneModules(sceneA, new CapabilitiesModule());
+            SceneHelpers.SetupSceneModules(sceneA, config, new CapabilitiesModule(), etmA);
-            SceneHelpers.SetupSceneModules(sceneB, new CapabilitiesModule());
+            SceneHelpers.SetupSceneModules(sceneB, config, new CapabilitiesModule(), etmB);
 
             Vector3 teleportPosition = new Vector3(10, 11, 12);
             Vector3 teleportLookAt = new Vector3(20, 21, 22);

OpenSim/Server/Handlers/Simulation/AgentHandlers.cs

@@ -546,7 +546,7 @@ namespace OpenSim.Server.Handlers.Simulation
                 AgentData agent = new AgentData();
                 try
                 {
-                    agent.Unpack(args, m_SimulationService.GetScene(destination.RegionHandle));
+                    agent.Unpack(args, m_SimulationService.GetScene(destination.RegionID));
                 }
                 catch (Exception ex)
                 {
@@ -566,7 +566,7 @@ namespace OpenSim.Server.Handlers.Simulation
                 AgentPosition agent = new AgentPosition();
                 try
                 {
-                    agent.Unpack(args, m_SimulationService.GetScene(destination.RegionHandle));
+                    agent.Unpack(args, m_SimulationService.GetScene(destination.RegionID));
                 }
                 catch (Exception ex)
                 {

OpenSim/Server/Handlers/Simulation/ObjectHandlers.cs

@@ -161,7 +161,7 @@ namespace OpenSim.Server.Handlers.Simulation
             if (args.ContainsKey("extra") && args["extra"] != null)
                 extraStr = args["extra"].AsString();
 
-            IScene s = m_SimulationService.GetScene(destination.RegionHandle);
+            IScene s = m_SimulationService.GetScene(destination.RegionID);
             ISceneObject sog = null;
             try
             {

OpenSim/Services/Connectors/Simulation/SimulationServiceConnector.cs

@@ -62,7 +62,7 @@ namespace OpenSim.Services.Connectors.Simulation
             //m_Region = region;
         }
 
-        public IScene GetScene(ulong regionHandle)
+        public IScene GetScene(UUID regionId)
         {
             return null;
         }

OpenSim/Services/Interfaces/ISimulationService.cs

@@ -35,7 +35,17 @@ namespace OpenSim.Services.Interfaces
 {
     public interface ISimulationService
     {
-        IScene GetScene(ulong regionHandle);
+        /// <summary>
+        /// Retrieve the scene with the given region ID.
+        /// </summary>
+        /// <param name='regionId'>
+        /// Region identifier.
+        /// </param>
+        /// <returns>
+        /// The scene.
+        /// </returns>
+        IScene GetScene(UUID regionId);
+
         ISimulationService GetInnerService();
 
         #region Agents