Make ISimulationScene.GetScene() used the more efficient region id for lookup rather than the region handle.

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

@@ -160,16 +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_scenes.Values)
+            if (m_scenes.ContainsKey(regionId))
             {
-                if (s.RegionInfo.RegionHandle == regionhandle)
+                return m_scenes[regionId];
+            }
+            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_scenes.Values.ToArray()[0];
         }
 
         public ISimulationService GetInnerService()

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/Server/Handlers/Simulation/AgentHandlers.cs

@@ -541,7 +541,7 @@ 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)
                 {
@@ -561,7 +561,7 @@ 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