Merge branch 'master' of ssh://opensimulator.org/var/git/opensim

Conflicts:
	OpenSim/Region/Framework/Scenes/ScenePresence.cs

7 files changed, 76 insertions, 109 deletions

diff --git a/OpenSim/Region/Application/OpenSimBase.cs b/OpenSim/Region/Application/OpenSimBase.cs
index a6b91a3..6fba71e 100644
--- a/OpenSim/Region/Application/OpenSimBase.cs
+++ b/OpenSim/Region/Application/OpenSimBase.cs
@@ -462,7 +462,7 @@ namespace OpenSim
                     string password = MainConsole.Instance.PasswdPrompt("Password");
                     string email = MainConsole.Instance.CmdPrompt("Email", "");
 
-                    string rawPrincipalId = MainConsole.Instance.CmdPrompt("ID", UUID.Random().ToString());
+                    string rawPrincipalId = MainConsole.Instance.CmdPrompt("User ID", UUID.Random().ToString());
         
                     UUID principalId = UUID.Zero;
                     if (!UUID.TryParse(rawPrincipalId, out principalId))
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 29a54e8..b1755ac 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -137,8 +137,6 @@ namespace OpenSim.Region.Framework.Scenes
         protected IDialogModule m_dialogModule;
         protected IEntityTransferModule m_teleportModule;
         protected ICapabilitiesModule m_capsModule;
-        // Central Update Loop
-        protected int m_fps = 10;
 
         /// <summary>
         /// Current scene frame number
@@ -149,8 +147,20 @@ namespace OpenSim.Region.Framework.Scenes
             protected set;
         }
 
-        protected float m_timespan = 0.089f;
-        protected DateTime m_lastupdate = DateTime.UtcNow;
+        /// <summary>
+        /// The minimum length of time in seconds that will be taken for a scene frame.  If the frame takes less time then we
+        /// will sleep for the remaining period.
+        /// </summary>
+        /// <remarks>
+        /// One can tweak this number to experiment.  One current effect of reducing it is to make avatar animations
+        /// occur too quickly (viewer 1) or with even more slide (viewer 2).
+        /// </remarks>
+        protected float m_minFrameTimespan = 0.089f;
+
+        /// <summary>
+        /// The time of the last frame update.
+        /// </summary>
+        protected DateTime m_lastFrameUpdate = DateTime.UtcNow;
 
         // TODO: Possibly stop other classes being able to manipulate this directly.
         private SceneGraph m_sceneGraph;
@@ -173,6 +183,7 @@ namespace OpenSim.Region.Framework.Scenes
 //        private int m_update_land = 1;
         private int m_update_coarse_locations = 50;
 
+        private int agentMS;
         private int frameMS;
         private int physicsMS2;
         private int physicsMS;
@@ -1211,17 +1222,20 @@ namespace OpenSim.Region.Framework.Scenes
 
         public override void Update()
         {        
-            TimeSpan SinceLastFrame = DateTime.UtcNow - m_lastupdate;
+            TimeSpan SinceLastFrame = DateTime.UtcNow - m_lastFrameUpdate;
             float physicsFPS = 0f;
 
             int maintc = Util.EnvironmentTickCount();
             int tmpFrameMS = maintc;
-            tempOnRezMS = eventMS = backupMS = terrainMS = landMS = 0;
+            agentMS = tempOnRezMS = eventMS = backupMS = terrainMS = landMS = 0;
 
+            // TODO: ADD AGENT TIME HERE
             // Increment the frame counter
             ++Frame;
             try
             {
+                int tmpAgentMS = Util.EnvironmentTickCount();
+
                 // Check if any objects have reached their targets
                 CheckAtTargets();
 
@@ -1248,6 +1262,8 @@ namespace OpenSim.Region.Framework.Scenes
                     });
                 }
 
+                agentMS = Util.EnvironmentTickCountSubtract(tmpAgentMS);
+
                 int tmpPhysicsMS2 = Util.EnvironmentTickCount();
                 if ((Frame % m_update_physics == 0) && m_physics_enabled)
                     m_sceneGraph.UpdatePreparePhysics();
@@ -1255,7 +1271,11 @@ namespace OpenSim.Region.Framework.Scenes
 
                 // Apply any pending avatar force input to the avatar's velocity
                 if (Frame % m_update_entitymovement == 0)
+                {
+                    tmpAgentMS = Util.EnvironmentTickCount();
                     m_sceneGraph.UpdateScenePresenceMovement();
+                    agentMS += Util.EnvironmentTickCountSubtract(tmpAgentMS);
+                }
 
                 // Perform the main physics update.  This will do the actual work of moving objects and avatars according to their
                 // velocity
@@ -1263,7 +1283,7 @@ namespace OpenSim.Region.Framework.Scenes
                 if (Frame % m_update_physics == 0)
                 {
                     if (m_physics_enabled)
-                        physicsFPS = m_sceneGraph.UpdatePhysics(Math.Max(SinceLastFrame.TotalSeconds, m_timespan));
+                        physicsFPS = m_sceneGraph.UpdatePhysics(Math.Max(SinceLastFrame.TotalSeconds, m_minFrameTimespan));
                     if (SynchronizeScene != null)
                         SynchronizeScene(this);
                 }
@@ -1320,6 +1340,7 @@ namespace OpenSim.Region.Framework.Scenes
                 StatsReporter.SetObjects(m_sceneGraph.GetTotalObjectsCount());
                 StatsReporter.SetActiveObjects(m_sceneGraph.GetActiveObjectsCount());
                 StatsReporter.addFrameMS(frameMS);
+                StatsReporter.addAgentMS(agentMS);
                 StatsReporter.addPhysicsMS(physicsMS + physicsMS2);
                 StatsReporter.addOtherMS(otherMS);
                 StatsReporter.SetActiveScripts(m_sceneGraph.GetActiveScriptsCount());
@@ -1379,11 +1400,11 @@ namespace OpenSim.Region.Framework.Scenes
             }
             finally
             {
-                m_lastupdate = DateTime.UtcNow;
+                m_lastFrameUpdate = DateTime.UtcNow;
             }
 
             maintc = Util.EnvironmentTickCountSubtract(maintc);
-            maintc = (int)(m_timespan * 1000) - maintc;
+            maintc = (int)(m_minFrameTimespan * 1000) - maintc;
 
             if (maintc > 0)
                 Thread.Sleep(maintc);
diff --git a/OpenSim/Region/Framework/Scenes/SceneGraph.cs b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
index 36c5c52..caec704 100644
--- a/OpenSim/Region/Framework/Scenes/SceneGraph.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
@@ -166,6 +166,12 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+        /// <summary>
+        /// Update the position of all the scene presences.
+        /// </summary>
+        /// <remarks>
+        /// Called only from the main scene loop.
+        /// </remarks>
         protected internal void UpdatePresences()
         {
             ForEachScenePresence(delegate(ScenePresence presence)
@@ -174,6 +180,11 @@ namespace OpenSim.Region.Framework.Scenes
             });
         }
 
+        /// <summary>
+        /// Perform a physics frame update.
+        /// </summary>
+        /// <param name="elapsed"></param>
+        /// <returns></returns>
         protected internal float UpdatePhysics(double elapsed)
         {
             lock (m_syncRoot)
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index 0290576..ce63946 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -870,11 +870,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         public void SendPrimUpdates()
         {
-            m_perfMonMS = Util.EnvironmentTickCount();
-
             SceneViewer.SendPrimUpdates();
-
-            m_scene.StatsReporter.AddAgentTime(Util.EnvironmentTickCountSubtract(m_perfMonMS));
         }
 
         #region Status Methods
@@ -1276,7 +1272,7 @@ namespace OpenSim.Region.Framework.Scenes
             //    return;
             //}
 
-            m_perfMonMS = Util.EnvironmentTickCount();
+//            m_perfMonMS = Util.EnvironmentTickCount();
 
             ++m_movementUpdateCount;
             if (m_movementUpdateCount < 1)
@@ -1565,7 +1561,8 @@ namespace OpenSim.Region.Framework.Scenes
 
             m_scene.EventManager.TriggerOnClientMovement(this);
 
-            m_scene.StatsReporter.AddAgentTime(Util.EnvironmentTickCountSubtract(m_perfMonMS));
+            // It doesn't make sense to add this to frame stats as this update is processed indepedently of the scene loop
+//            m_scene.StatsReporter.AddAgentTime(Util.EnvironmentTickCountSubtract(m_perfMonMS));
         }
 
         /// <summary>
@@ -2341,8 +2338,6 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="vec">The vector in which to move.  This is relative to the rotation argument</param>
         public void AddNewMovement(Vector3 vec)
         {
-            m_perfMonMS = Util.EnvironmentTickCount();
-
             Vector3 direc = vec * Rotation;
             direc.Normalize();
 
@@ -2379,8 +2374,6 @@ namespace OpenSim.Region.Framework.Scenes
 
             // TODO: Add the force instead of only setting it to support multiple forces per frame?
             m_forceToApply = direc;
-
-            m_scene.StatsReporter.AddAgentTime(Util.EnvironmentTickCountSubtract(m_perfMonMS));
         }
 
         #endregion
@@ -2443,8 +2436,6 @@ namespace OpenSim.Region.Framework.Scenes
             // server.
             if (remoteClient.IsActive)
             {
-                m_perfMonMS = Util.EnvironmentTickCount();
-
                 Vector3 pos = m_pos;
                 pos.Z += Appearance.HipOffset;
 
@@ -2455,7 +2446,6 @@ namespace OpenSim.Region.Framework.Scenes
                     PrimUpdateFlags.Position | PrimUpdateFlags.Rotation | PrimUpdateFlags.Velocity
                     | PrimUpdateFlags.Acceleration | PrimUpdateFlags.AngularVelocity);
 
-                m_scene.StatsReporter.AddAgentTime(Util.EnvironmentTickCountSubtract(m_perfMonMS));
                 m_scene.StatsReporter.AddAgentUpdates(1);
             }
         }
@@ -2496,14 +2486,11 @@ namespace OpenSim.Region.Framework.Scenes
                 || Math.Abs(distanceError) > distanceErrorThreshold
                 || velocidyDiff > 0.01f) // did velocity change from last update?
             {
-                m_perfMonMS = currentTick;
                 lastVelocitySentToAllClients = Velocity;
                 lastTerseUpdateToAllClientsTick = currentTick;
                 lastPositionSentToAllClients = OffsetPosition;
 
                 m_scene.ForEachClient(SendTerseUpdateToClient);
-
-                m_scene.StatsReporter.AddAgentTime(Util.EnvironmentTickCountSubtract(m_perfMonMS));
             }
         }
 
@@ -2524,9 +2511,7 @@ namespace OpenSim.Region.Framework.Scenes
 
         public void SendCoarseLocationsDefault(UUID sceneId, ScenePresence p, List<Vector3> coarseLocations, List<UUID> avatarUUIDs)
         {
-            m_perfMonMS = Util.EnvironmentTickCount();
             ControllingClient.SendCoarseLocationUpdate(avatarUUIDs, coarseLocations);
-            m_scene.StatsReporter.AddAgentTime(Util.EnvironmentTickCountSubtract(m_perfMonMS));
         }
 
         /// <summary>
@@ -2587,8 +2572,6 @@ namespace OpenSim.Region.Framework.Scenes
                 m_log.Warn("[SCENE PRESENCE] attempt to send avatar data from a child agent");
                 return;
             }
-            
-            m_perfMonMS = Util.EnvironmentTickCount();
 
             int count = 0;
             m_scene.ForEachScenePresence(delegate(ScenePresence scenePresence)
@@ -2598,7 +2581,6 @@ namespace OpenSim.Region.Framework.Scenes
                                          });
 
             m_scene.StatsReporter.AddAgentUpdates(count);
-            m_scene.StatsReporter.AddAgentTime(Util.EnvironmentTickCountSubtract(m_perfMonMS));
         }
 
         /// <summary>
@@ -2607,8 +2589,6 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         public void SendOtherAgentsAvatarDataToMe()
         {
-            m_perfMonMS = Util.EnvironmentTickCount();
-
             int count = 0;
             m_scene.ForEachScenePresence(delegate(ScenePresence scenePresence)
                                          {
@@ -2625,7 +2605,6 @@ namespace OpenSim.Region.Framework.Scenes
                                          });
 
             m_scene.StatsReporter.AddAgentUpdates(count);
-            m_scene.StatsReporter.AddAgentTime(Util.EnvironmentTickCountSubtract(m_perfMonMS));
         }
 
         /// <summary>
@@ -2654,8 +2633,6 @@ namespace OpenSim.Region.Framework.Scenes
                 m_log.Warn("[SCENE PRESENCE] attempt to send avatar data from a child agent");
                 return;
             }
-            
-            m_perfMonMS = Util.EnvironmentTickCount();
 
             int count = 0;
             m_scene.ForEachScenePresence(delegate(ScenePresence scenePresence)
@@ -2668,7 +2645,6 @@ namespace OpenSim.Region.Framework.Scenes
                                          });
 
             m_scene.StatsReporter.AddAgentUpdates(count);
-            m_scene.StatsReporter.AddAgentTime(Util.EnvironmentTickCountSubtract(m_perfMonMS));
         }
 
         /// <summary>
@@ -2678,7 +2654,6 @@ namespace OpenSim.Region.Framework.Scenes
         public void SendOtherAgentsAppearanceToMe()
         {
             //m_log.DebugFormat("[SCENE PRESENCE] SendOtherAgentsAppearanceToMe: {0} ({1})", Name, UUID);
-            m_perfMonMS = Util.EnvironmentTickCount();
 
             int count = 0;
             m_scene.ForEachScenePresence(delegate(ScenePresence scenePresence)
@@ -2696,7 +2671,6 @@ namespace OpenSim.Region.Framework.Scenes
                                          });
 
             m_scene.StatsReporter.AddAgentUpdates(count);
-            m_scene.StatsReporter.AddAgentTime(Util.EnvironmentTickCountSubtract(m_perfMonMS));
         }
 
         /// <summary>
diff --git a/OpenSim/Region/Framework/Scenes/SimStatsReporter.cs b/OpenSim/Region/Framework/Scenes/SimStatsReporter.cs
index 87dcdee..282b677 100644
--- a/OpenSim/Region/Framework/Scenes/SimStatsReporter.cs
+++ b/OpenSim/Region/Framework/Scenes/SimStatsReporter.cs
@@ -37,6 +37,9 @@ namespace OpenSim.Region.Framework.Scenes
 {
     public class SimStatsReporter
     {
+//        private static readonly log4net.ILog m_log
+//            = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
+
         public delegate void SendStatResult(SimStats stats);
 
         public delegate void YourStatsAreWrong();
@@ -165,18 +168,9 @@ namespace OpenSim.Region.Framework.Scenes
 
 #region various statistic googly moogly
 
-                // Our FPS is actually 10fps, so multiplying by 5 to get the amount that people expect there
-                // 0-50 is pretty close to 0-45
-                float simfps = (int) ((m_fps * 5));
                 // save the reported value so there is something available for llGetRegionFPS 
-                lastReportedSimFPS = (float)simfps / statsUpdateFactor;
-
-                //if (simfps > 45)
-                //simfps = simfps - (simfps - 45);
-                //if (simfps < 0)
-                //simfps = 0;
+                lastReportedSimFPS = (float)m_fps / statsUpdateFactor;
 
-                //
                 float physfps = ((m_pfps / 1000));
 
                 //if (physfps > 600)
@@ -197,7 +191,7 @@ namespace OpenSim.Region.Framework.Scenes
                 // 'statsUpdateFactor' is how often stats packets are sent in seconds. Used below to change
                 // values to X-per-second values.
 
-                for (int i = 0; i<21;i++)
+                for (int i = 0; i < 21; i++)
                 {
                     sb[i] = new SimStatsPacket.StatBlock();
                 }
@@ -206,7 +200,7 @@ namespace OpenSim.Region.Framework.Scenes
                 sb[0].StatValue = (Single.IsNaN(m_timeDilation)) ? 0.1f : m_timeDilation ; //((((m_timeDilation + (0.10f * statsUpdateFactor)) /10)  / statsUpdateFactor));
 
                 sb[1].StatID = (uint) Stats.SimFPS;
-                sb[1].StatValue = simfps/statsUpdateFactor;
+                sb[1].StatValue = m_fps/statsUpdateFactor;
 
                 sb[2].StatID = (uint) Stats.PhysicsFPS;
                 sb[2].StatValue = physfps / statsUpdateFactor;
@@ -272,7 +266,8 @@ namespace OpenSim.Region.Framework.Scenes
               
                 SimStats simStats 
                     = new SimStats(
-                        ReportingRegion.RegionLocX, ReportingRegion.RegionLocY, regionFlags, (uint)m_objectCapacity, rb, sb, m_scene.RegionInfo.originRegionID);
+                        ReportingRegion.RegionLocX, ReportingRegion.RegionLocY, regionFlags, (uint)m_objectCapacity,
+                        rb, sb, m_scene.RegionInfo.originRegionID);
 
                 handlerSendStatResult = OnSendStatsResult;
                 if (handlerSendStatResult != null)
@@ -395,30 +390,32 @@ namespace OpenSim.Region.Framework.Scenes
         {
             m_frameMS += ms;
         }
+
         public void addNetMS(int ms)
         {
             m_netMS += ms;
         }
+
         public void addAgentMS(int ms)
         {
             m_agentMS += ms;
         }
+
         public void addPhysicsMS(int ms)
         {
             m_physicsMS += ms;
         }
+
         public void addImageMS(int ms)
         {
             m_imageMS += ms;
         }
+
         public void addOtherMS(int ms)
         {
             m_otherMS += ms;
         }
 
-//        private static readonly log4net.ILog m_log
-//            = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
-
         public void AddPendingDownloads(int count)
         {
             m_pendingDownloads += count;
@@ -455,12 +452,6 @@ namespace OpenSim.Region.Framework.Scenes
             AddOutPackets(outPackets);
             AddunAckedBytes(unAckedBytes);
         }
-        
-        public void AddAgentTime(int ms)
-        {
-            addFrameMS(ms);
-            addAgentMS(ms);
-        }
 
         #endregion
     }
diff --git a/OpenSim/Region/Physics/OdePlugin/OdeScene.cs b/OpenSim/Region/Physics/OdePlugin/OdeScene.cs
index 6e603e8..2da922b 100644
--- a/OpenSim/Region/Physics/OdePlugin/OdeScene.cs
+++ b/OpenSim/Region/Physics/OdePlugin/OdeScene.cs
@@ -2651,8 +2651,6 @@ Console.WriteLine("AddPhysicsActorTaint to " + taintedprim.Name);
                     //base.TriggerPhysicsBasedRestart();
                 //}
 
-                int i = 0;
-
                 // Figure out the Frames Per Second we're going at.
                 //(step_time == 0.004f, there's 250 of those per second.   Times the step time/step size
 
@@ -2810,7 +2808,6 @@ Console.WriteLine("AddPhysicsActorTaint to " + taintedprim.Name);
                     }
 
                     step_time -= ODE_STEPSIZE;
-                    i++;
                         //}
                         //else
                         //{
diff --git a/OpenSim/Region/UserStatistics/WebStatsModule.cs b/OpenSim/Region/UserStatistics/WebStatsModule.cs
index 3139b8a..9d87c45 100644
--- a/OpenSim/Region/UserStatistics/WebStatsModule.cs
+++ b/OpenSim/Region/UserStatistics/WebStatsModule.cs
@@ -58,7 +58,7 @@ namespace OpenSim.Region.UserStatistics
         
         private static SqliteConnection dbConn;
         private Dictionary<UUID, UserSessionID> m_sessions = new Dictionary<UUID, UserSessionID>();
-        private List<Scene> m_scene = new List<Scene>();
+        private List<Scene> m_scenes = new List<Scene>();
         private Dictionary<string, IStatsController> reports = new Dictionary<string, IStatsController>();
         private Dictionary<UUID, USimStatsData> m_simstatsCounters = new Dictionary<UUID, USimStatsData>(); 
         private const int updateStatsMod = 6;
@@ -71,25 +71,17 @@ namespace OpenSim.Region.UserStatistics
 
         public virtual void Initialise(Scene scene, IConfigSource config)
         {
-            IConfig cnfg;
-            try
-            {
-                cnfg = config.Configs["WebStats"];
+            IConfig cnfg = config.Configs["WebStats"];
+
+            if (cnfg != null)
                 enabled = cnfg.GetBoolean("enabled", false);
-            } 
-            catch (Exception)
-            {
-                enabled = false;
-            }
             
             if (!enabled)
-            {
                 return;
-            }
 
-            lock (m_scene)
+            lock (m_scenes)
             {
-                if (m_scene.Count == 0)
+                if (m_scenes.Count == 0)
                 {
                     //IConfig startupConfig = config.Configs["Startup"];
 
@@ -115,22 +107,19 @@ namespace OpenSim.Region.UserStatistics
                     reports.Add("clients.report", clientReport);
                     reports.Add("sessions.report", sessionsReport);
 
-
-
                     ////
                     // Add Your own Reports here (Do Not Modify Lines here Devs!)
                     ////
 
                     ////
                     // End Own reports section
-                    //// 
-
+                    ////
 
                     MainServer.Instance.AddHTTPHandler("/SStats/", HandleStatsRequest);
                     MainServer.Instance.AddHTTPHandler("/CAPS/VS/", HandleUnknownCAPSRequest);
                 }
                 
-                m_scene.Add(scene);
+                m_scenes.Add(scene);
                 if (m_simstatsCounters.ContainsKey(scene.RegionInfo.RegionID))
                     m_simstatsCounters.Remove(scene.RegionInfo.RegionID);
 
@@ -214,7 +203,7 @@ namespace OpenSim.Region.UserStatistics
 
 
                 repParams["DatabaseConnection"] = dbConn;
-                repParams["Scenes"] = m_scene;
+                repParams["Scenes"] = m_scenes;
                 repParams["SimStats"] = m_simstatsCounters;
                 repParams["LogLines"] = m_loglines;
                 repParams["Reports"] = reports;
@@ -265,7 +254,6 @@ namespace OpenSim.Region.UserStatistics
                     CreateTables(db);
                 }
             }
-
         }
 
         public void CreateTables(SqliteConnection db)
@@ -277,8 +265,6 @@ namespace OpenSim.Region.UserStatistics
             createcmd.ExecuteNonQuery();
         }
 
-
-
         public virtual void PostInitialise()
         {
             if (!enabled)
@@ -297,7 +283,7 @@ namespace OpenSim.Region.UserStatistics
             dbConn.Close();
             dbConn.Dispose();
             m_sessions.Clear();
-            m_scene.Clear();
+            m_scenes.Clear();
             reports.Clear();
             m_simstatsCounters.Clear(); 
         }
@@ -333,10 +319,10 @@ namespace OpenSim.Region.UserStatistics
 
         protected virtual void AddHandlers()
         {
-            lock (m_scene)
+            lock (m_scenes)
             {
-                updateLogMod = m_scene.Count * 2;
-                foreach (Scene scene in m_scene)
+                updateLogMod = m_scenes.Count * 2;
+                foreach (Scene scene in m_scenes)
                 {
                     scene.EventManager.OnRegisterCaps += OnRegisterCaps;
                     scene.EventManager.OnDeregisterCaps += OnDeRegisterCaps;
@@ -376,15 +362,11 @@ namespace OpenSim.Region.UserStatistics
             }
         }
 
-
-
-
         public void OnMakeChildAgent(ScenePresence agent)
         {
             
         }
 
-
         public void OnClientClosed(UUID agentID, Scene scene)
         {
             lock (m_sessions)
@@ -394,7 +376,6 @@ namespace OpenSim.Region.UserStatistics
                     m_sessions.Remove(agentID);
                 }
             }
-
         }
 
         public string readLogLines(int amount)
@@ -433,14 +414,13 @@ namespace OpenSim.Region.UserStatistics
             fs.Close();
             fs.Dispose();
             return encoding.GetString(buffer);
-
         }
 
         public UUID GetRegionUUIDFromHandle(ulong regionhandle)
         {
-            lock (m_scene)
+            lock (m_scenes)
             {
-                foreach (Scene scene in m_scene)
+                foreach (Scene scene in m_scenes)
                 {
                     if (scene.RegionInfo.RegionHandle == regionhandle)
                         return scene.RegionInfo.RegionID;
@@ -448,6 +428,7 @@ namespace OpenSim.Region.UserStatistics
             }
             return UUID.Zero;
         }
+
         /// <summary>
         /// Callback for a viewerstats cap
         /// </summary>
@@ -523,8 +504,6 @@ namespace OpenSim.Region.UserStatistics
            
             usd = uid.session_data;
 
-            
-
             if (message.Type != OSDType.Map)
                 return new UserSessionID();
 
@@ -699,7 +678,6 @@ namespace OpenSim.Region.UserStatistics
 
                 }
             }
-
         }
 
         #region SQL
@@ -824,6 +802,7 @@ set session_id=:session_id,
 WHERE session_id=:session_key AND agent_id=:agent_key AND region_id=:region_key";
         #endregion
     }
+
     public static class UserSessionUtil
     {
         public static UserSessionData newUserSessionData()
@@ -941,7 +920,6 @@ WHERE session_id=:session_key AND agent_id=:agent_key AND region_id=:region_key"
             return result / cnt;
         }
 
-
         public static float ArrayMode_f(float[] arr)
         {
             List<float> mode = new List<float>();
@@ -995,10 +973,8 @@ WHERE session_id=:session_key AND agent_id=:agent_key AND region_id=:region_key"
             }
 
             return mode.ToArray()[0];
-
         }
 
-
         public static int ArrayMode_i(int[] arr)
         {
             List<int> mode = new List<int>();
@@ -1052,7 +1028,6 @@ WHERE session_id=:session_key AND agent_id=:agent_key AND region_id=:region_key"
             }
 
             return mode.ToArray()[0];
-
         }
 
         #endregion
@@ -1178,7 +1153,6 @@ WHERE session_id=:session_key AND agent_id=:agent_key AND region_id=:region_key"
         public List<float> _sim_fps;
         public List<int> _agents_in_view;
     }
-
   
     #endregion
 
@@ -1263,5 +1237,4 @@ WHERE session_id=:session_key AND agent_id=:agent_key AND region_id=:region_key"
             m_scriptLinesPerSecond = stats.StatsBlock[20].StatValue;
         }
     }
-
-}
+}
\ No newline at end of file