Deleted all [ZZZ] debug messages.

Revert "One more tweak to check the infinity problem"

This reverts commit 2b696bc0c8.

OpenSim/Addons/Groups/GroupsModule.cs

@@ -1402,19 +1402,18 @@ namespace OpenSim.Groups
             if (m_debugEnabled) m_log.DebugFormat("[Groups]: {0} called", System.Reflection.MethodBase.GetCurrentMethod().Name);
 
             // TODO: All the client update functions need to be reexamined because most do too much and send too much stuff
-            UserAccount account = m_sceneList[0].UserAccountService.GetUserAccount(remoteClient.Scene.RegionInfo.ScopeID, dataForAgentID);
+            string firstname = "Unknown", lastname = "Unknown";
-            string firstname, lastname;
+            string name = m_UserManagement.GetUserName(dataForAgentID);
-            if (account != null)
+            if (!string.IsNullOrEmpty(name))
             {
-                firstname = account.FirstName;
+                string[] parts = name.Split(new char[] { ' ' });
-                lastname = account.LastName;
+                if (parts.Length >= 2)
+                {
+                    firstname = parts[0];
+                    lastname = parts[1];
+                }
             }
-            else
+            
-            {
-                firstname = "Unknown";
-                lastname = "Unknown";
-            }
-
             remoteClient.SendAgentDataUpdate(dataForAgentID, activeGroupID, firstname,
                     lastname, activeGroupPowers, activeGroupName,
                     activeGroupTitle);

OpenSim/Addons/Groups/RemoteConnectorCacheWrapper.cs

@@ -53,7 +53,7 @@ namespace OpenSim.Groups
         private ForeignImporter m_ForeignImporter;
 
         private Dictionary<string, bool> m_ActiveRequests = new Dictionary<string, bool>();
-        private const int GROUPS_CACHE_TIMEOUT = 5 * 60; // 5 minutes
+        private const int GROUPS_CACHE_TIMEOUT = 1 * 60; // 1 minutes
 
         // This all important cache cahces objects of different types:
         // group-<GroupID> or group-<Name>          => ExtendedGroupRecord

OpenSim/Data/SQLite/Resources/HGTravelStore.migrations

@@ -1,18 +1,18 @@
-:VERSION 1         # -------------------------- 
+:VERSION 2         # -------------------------- 
 
 BEGIN;
 
-CREATE TABLE hg_traveling_data (
+CREATE TABLE hg_traveling_data(
     SessionID VARCHAR(36) NOT NULL,
     UserID VARCHAR(36) NOT NULL,
-	GridExternalName VARCHAR(255) NOT NULL DEFAULT '',
+    GridExternalName VARCHAR(255) NOT NULL DEFAULT "",
-	ServiceToken VARCHAR(255) NOT NULL DEFAULT '',
+    ServiceToken VARCHAR(255) NOT NULL DEFAULT "",
-	ClientIPAddress VARCHAR(16) NOT NULL DEFAULT '',
+    ClientIPAddress VARCHAR(16) NOT NULL DEFAULT "",
-	MyIPAddress VARCHAR(16) NOT NULL DEFAULT '',
+    MyIPAddress VARCHAR(16) NOT NULL DEFAULT "",
-    TMStamp timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    TMStamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
-    PRIMARY KEY  (`SessionID`),
+    PRIMARY KEY(SessionID),
-	KEY (`UserID`)
+    UNIQUE(UserID)
-) ENGINE=InnoDB;
+);
 
 COMMIT;
 

OpenSim/Framework/ChildAgentDataUpdate.cs

@@ -287,7 +287,7 @@ namespace OpenSim.Framework
         public Vector3 AtAxis;
         public Vector3 LeftAxis;
         public Vector3 UpAxis;
-        public bool ChangedGrid;
+        public bool SenderWantsToWaitForRoot;
 
         public float Far;
         public float Aspect;
@@ -356,8 +356,9 @@ namespace OpenSim.Framework
             args["left_axis"] = OSD.FromString(LeftAxis.ToString());
             args["up_axis"] = OSD.FromString(UpAxis.ToString());
 
-            
+            //backwards compatibility
-            args["changed_grid"] = OSD.FromBoolean(ChangedGrid);
+            args["changed_grid"] = OSD.FromBoolean(SenderWantsToWaitForRoot);
+            args["wait_for_root"] = OSD.FromBoolean(SenderWantsToWaitForRoot);
             args["far"] = OSD.FromReal(Far);
             args["aspect"] = OSD.FromReal(Aspect);
 
@@ -526,8 +527,8 @@ namespace OpenSim.Framework
             if (args["up_axis"] != null)
                 Vector3.TryParse(args["up_axis"].AsString(), out AtAxis);
 
-            if (args["changed_grid"] != null)
+            if (args.ContainsKey("wait_for_root") && args["wait_for_root"] != null)
-                ChangedGrid = args["changed_grid"].AsBoolean();
+                SenderWantsToWaitForRoot = args["wait_for_root"].AsBoolean();
 
             if (args["far"] != null)
                 Far = (float)(args["far"].AsReal());
@@ -634,17 +635,17 @@ namespace OpenSim.Framework
             // The code to unpack textures, visuals, wearables and attachments
             // should be removed; packed appearance contains the full appearance
             // This is retained for backward compatibility only
-            if (args["texture_entry"] != null)
+            if (args.ContainsKey("texture_entry") && args["texture_entry"] != null)
             {
                 byte[] rawtextures = args["texture_entry"].AsBinary();
                 Primitive.TextureEntry textures = new Primitive.TextureEntry(rawtextures,0,rawtextures.Length);
                 Appearance.SetTextureEntries(textures);
             }
 
-            if (args["visual_params"] != null)
+            if (args.ContainsKey("visual_params") && args["visual_params"] != null)
                 Appearance.SetVisualParams(args["visual_params"].AsBinary());
 
-            if ((args["wearables"] != null) && (args["wearables"]).Type == OSDType.Array)
+            if (args.ContainsKey("wearables") && (args["wearables"] != null) && (args["wearables"]).Type == OSDType.Array)
             {
                 OSDArray wears = (OSDArray)(args["wearables"]);
                 for (int i = 0; i < wears.Count / 2; i++) 
@@ -654,7 +655,7 @@ namespace OpenSim.Framework
                 }
             }
 
-            if ((args["attachments"] != null) && (args["attachments"]).Type == OSDType.Array)
+            if (args.ContainsKey("attachments") && (args["attachments"] != null) && (args["attachments"]).Type == OSDType.Array)
             {
                 OSDArray attachs = (OSDArray)(args["attachments"]);
                 foreach (OSD o in attachs)

OpenSim/Framework/IClientAPI.cs

@@ -825,6 +825,8 @@ namespace OpenSim.Framework
         /// </remarks>
         event UpdateAgent OnAgentUpdate;
 
+        event UpdateAgent OnAgentCameraUpdate;
+
         event AgentRequestSit OnAgentRequestSit;
         event AgentSit OnAgentSit;
         event AvatarPickerRequest OnAvatarPickerRequest;
@@ -1474,7 +1476,7 @@ namespace OpenSim.Framework
         void SendChangeUserRights(UUID agentID, UUID friendID, int rights);
         void SendTextBoxRequest(string message, int chatChannel, string objectname, UUID ownerID, string ownerFirstName, string ownerLastName, UUID objectId);
 
-        void StopFlying(ISceneEntity presence);
+        void SendAgentTerseUpdate(ISceneEntity presence);
 
         void SendPlacesReply(UUID queryID, UUID transactionID, PlacesReplyData[] data);
     }

OpenSim/Framework/Monitoring/Stats/Stat.cs

@@ -225,7 +225,13 @@ namespace OpenSim.Framework.Monitoring
         public virtual string ToConsoleString()
         {
             StringBuilder sb = new StringBuilder();
-            sb.AppendFormat("{0}.{1}.{2} : {3} {4}", Category, Container, ShortName, Value, UnitName);
+            sb.AppendFormat(
+                "{0}.{1}.{2} : {3}{4}", 
+                Category, 
+                Container, 
+                ShortName, 
+                Value, 
+                UnitName == null || UnitName == "" ? "" : string.Format(" {0}", UnitName));
 
             AppendMeasuresOfInterest(sb);
 
@@ -253,6 +259,8 @@ namespace OpenSim.Framework.Monitoring
                 == MeasuresOfInterest.AverageChangeOverTime)
             {
                 double totalChange = 0;
+                double lastChangeOverTime = 0;
+                double? penultimateSample = null;
                 double? lastSample = null;
 
                 lock (m_samples)
@@ -266,13 +274,24 @@ namespace OpenSim.Framework.Monitoring
                         if (lastSample != null)
                             totalChange += s - (double)lastSample;
 
+                        penultimateSample = lastSample;
                         lastSample = s;
                     }
                 }
 
+                if (lastSample != null && penultimateSample != null)
+                    lastChangeOverTime = (double)lastSample - (double)penultimateSample;
+
                 int divisor = m_samples.Count <= 1 ? 1 : m_samples.Count - 1;
 
-                sb.AppendFormat(", {0:0.##} {1}/s", totalChange / divisor / (Watchdog.WATCHDOG_INTERVAL_MS / 1000), UnitName);
+                double averageChangeOverTime = totalChange / divisor / (Watchdog.WATCHDOG_INTERVAL_MS / 1000);
+
+                sb.AppendFormat(
+                    ", {0:0.##}{1}/s, {2:0.##}{3}/s", 
+                    lastChangeOverTime, 
+                    UnitName == null || UnitName == "" ? "" : string.Format(" {0}", UnitName), 
+                    averageChangeOverTime,
+                    UnitName == null || UnitName == "" ? "" : string.Format(" {0}", UnitName));
             }
         }
     }

OpenSim/Framework/Servers/HttpServer/BaseHttpServer.cs

@@ -1189,6 +1189,7 @@ namespace OpenSim.Framework.Servers.HttpServer
             OSD llsdResponse = null;
 
             bool LegacyLLSDLoginLibOMV = (requestBody.Contains("passwd") && requestBody.Contains("mac") && requestBody.Contains("viewer_digest"));
+            bool nohandler = false;
 
             if (requestBody.Length == 0)
             // Get Request
@@ -1227,17 +1228,19 @@ namespace OpenSim.Framework.Servers.HttpServer
                     {
                         // Oops, no handler for this..   give em the failed message
                         llsdResponse = GenerateNoLLSDHandlerResponse();
+                        nohandler = true;
                     }
                 }
             }
             else
             {
                 llsdResponse = GenerateNoLLSDHandlerResponse();
+                nohandler = true;
             }
 
             byte[] buffer = new byte[0];
 
-            if (llsdResponse.ToString() == "shutdown404!")
+            if (llsdResponse.ToString() == "shutdown404!" || nohandler)
             {
                 response.ContentType = "text/plain";
                 response.StatusCode = 404;

OpenSim/Framework/Servers/HttpServer/PollServiceRequestManager.cs

@@ -47,7 +47,7 @@ namespace OpenSim.Framework.Servers.HttpServer
         private readonly BaseHttpServer m_server;
 
         private BlockingQueue<PollServiceHttpRequest> m_requests = new BlockingQueue<PollServiceHttpRequest>();
-        private static Queue<PollServiceHttpRequest> m_longPollRequests = new Queue<PollServiceHttpRequest>();
+        private static List<PollServiceHttpRequest> m_longPollRequests = new List<PollServiceHttpRequest>();
 
         private uint m_WorkerThreadCount = 0;
         private Thread[] m_workerThreads;
@@ -96,7 +96,17 @@ namespace OpenSim.Framework.Servers.HttpServer
         private void ReQueueEvent(PollServiceHttpRequest req)
         {
             if (m_running)
-                m_requests.Enqueue(req);
+            {
+                // delay the enqueueing for 100ms. There's no need to have the event
+                // actively on the queue
+                Timer t = new Timer(self => {
+                    ((Timer)self).Dispose();
+                    m_requests.Enqueue(req);
+                });
+
+                t.Change(100, Timeout.Infinite);
+
+            }
         }
 
         public void Enqueue(PollServiceHttpRequest req)
@@ -106,7 +116,7 @@ namespace OpenSim.Framework.Servers.HttpServer
                 if (req.PollServiceArgs.Type == PollServiceEventArgs.EventType.LongPoll)
                 {
                     lock (m_longPollRequests)
-                        m_longPollRequests.Enqueue(req);
+                        m_longPollRequests.Add(req);
                 }
                 else
                     m_requests.Enqueue(req);
@@ -118,7 +128,7 @@ namespace OpenSim.Framework.Servers.HttpServer
             // The only purpose of this thread is to check the EQs for events.
             // If there are events, that thread will be placed in the "ready-to-serve" queue, m_requests.
             // If there are no events, that thread will be back to its "waiting" queue, m_longPollRequests.
-            // All other types of tasks (Inventory handlers) don't have the long-poll nature,
+            // All other types of tasks (Inventory handlers, http-in, etc) don't have the long-poll nature,
             // so if they aren't ready to be served by a worker thread (no events), they are placed 
             // directly back in the "ready-to-serve" queue by the worker thread.
             while (m_running)
@@ -129,18 +139,20 @@ namespace OpenSim.Framework.Servers.HttpServer
                 List<PollServiceHttpRequest> not_ready = new List<PollServiceHttpRequest>();
                 lock (m_longPollRequests)
                 {
-                    while (m_longPollRequests.Count > 0 && m_running)
+                    if (m_longPollRequests.Count > 0 && m_running)
                     {
-                        PollServiceHttpRequest req = m_longPollRequests.Dequeue();
+                        List<PollServiceHttpRequest> ready = m_longPollRequests.FindAll(req =>
-                        if (req.PollServiceArgs.HasEvents(req.RequestID, req.PollServiceArgs.Id) || // there are events in this EQ
+                            (req.PollServiceArgs.HasEvents(req.RequestID, req.PollServiceArgs.Id) || // there are events in this EQ
                             (Environment.TickCount - req.RequestTime) > req.PollServiceArgs.TimeOutms) // no events, but timeout
-                            m_requests.Enqueue(req);
+                            );
-                        else
-                            not_ready.Add(req);
-                    }
 
-                    foreach (PollServiceHttpRequest req in not_ready)
+                        ready.ForEach(req =>
-                        m_longPollRequests.Enqueue(req);
+                            {
+                                m_requests.Enqueue(req);
+                                m_longPollRequests.Remove(req);
+                            });
+
+                    }
 
                 }
             }
@@ -159,8 +171,8 @@ namespace OpenSim.Framework.Servers.HttpServer
 
             lock (m_longPollRequests)
             {
-                while (m_longPollRequests.Count > 0 && m_running)
+                if (m_longPollRequests.Count > 0 && m_running)
-                    m_requests.Enqueue(m_longPollRequests.Dequeue());
+                    m_longPollRequests.ForEach(req => m_requests.Enqueue(req));
             }
 
             while (m_requests.Count() > 0)
@@ -176,6 +188,7 @@ namespace OpenSim.Framework.Servers.HttpServer
                 }
             }
 
+            m_longPollRequests.Clear();
             m_requests.Clear();
         }
 
@@ -185,33 +198,35 @@ namespace OpenSim.Framework.Servers.HttpServer
         {
             while (m_running)
             {
+                PollServiceHttpRequest req = m_requests.Dequeue(5000);
+                //m_log.WarnFormat("[YYY]: Dequeued {0}", (req == null ? "null" : req.PollServiceArgs.Type.ToString()));
+
                 Watchdog.UpdateThread();
-
+                if (req != null)
-                PollServiceHttpRequest req = null;
-                lock (m_requests)
                 {
-                    if (m_requests.Count() > 0)
+                    try
-                        req = m_requests.Dequeue();
-                }
-                if (req == null)
-                    Thread.Sleep(100);
-                else
-                {
-                    //PollServiceHttpRequest req = m_requests.Dequeue(5000);
-                    //m_log.WarnFormat("[YYY]: Dequeued {0}", (req == null ? "null" : req.PollServiceArgs.Type.ToString()));
-
-                    if (req != null)
                     {
-                        try
+                        if (req.PollServiceArgs.HasEvents(req.RequestID, req.PollServiceArgs.Id))
                         {
-                            if (req.PollServiceArgs.HasEvents(req.RequestID, req.PollServiceArgs.Id))
+                            Hashtable responsedata = req.PollServiceArgs.GetEvents(req.RequestID, req.PollServiceArgs.Id);
+
+                            if (responsedata == null)
+                                continue;
+
+                            if (req.PollServiceArgs.Type == PollServiceEventArgs.EventType.LongPoll) // This is the event queue
                             {
-                                Hashtable responsedata = req.PollServiceArgs.GetEvents(req.RequestID, req.PollServiceArgs.Id);
+                                try
-
+                                {
-                                if (responsedata == null)
+                                    req.DoHTTPGruntWork(m_server, responsedata);
-                                    continue;
+                                }
-
+                                catch (ObjectDisposedException) // Browser aborted before we could read body, server closed the stream
-                                if (req.PollServiceArgs.Type == PollServiceEventArgs.EventType.LongPoll) // This is the event queue
+                                {
+                                    // Ignore it, no need to reply
+                                }
+                            }
+                            else
+                            {
+                                m_threadPool.QueueWorkItem(x =>
                                 {
                                     try
                                     {
@@ -221,41 +236,27 @@ namespace OpenSim.Framework.Servers.HttpServer
                                     {
                                         // Ignore it, no need to reply
                                     }
-                                }
-                                else
-                                {
-                                    m_threadPool.QueueWorkItem(x =>
-                                    {
-                                        try
-                                        {
-                                            req.DoHTTPGruntWork(m_server, responsedata);
-                                        }
-                                        catch (ObjectDisposedException) // Browser aborted before we could read body, server closed the stream
-                                        {
-                                            // Ignore it, no need to reply
-                                        }
 
-                                        return null;
+                                    return null;
-                                    }, null);
+                                }, null);
-                                }
+                            }
+                        }
+                        else
+                        {
+                            if ((Environment.TickCount - req.RequestTime) > req.PollServiceArgs.TimeOutms)
+                            {
+                                req.DoHTTPGruntWork(
+                                    m_server, req.PollServiceArgs.NoEvents(req.RequestID, req.PollServiceArgs.Id));
                             }
                             else
                             {
-                                if ((Environment.TickCount - req.RequestTime) > req.PollServiceArgs.TimeOutms)
+                                ReQueueEvent(req);
-                                {
-                                    req.DoHTTPGruntWork(
-                                        m_server, req.PollServiceArgs.NoEvents(req.RequestID, req.PollServiceArgs.Id));
-                                }
-                                else
-                                {
-                                    ReQueueEvent(req);
-                                }
                             }
                         }
-                        catch (Exception e)
+                    }
-                        {
+                    catch (Exception e)
-                            m_log.ErrorFormat("Exception in poll service thread: " + e.ToString());
+                    {
-                        }
+                        m_log.ErrorFormat("Exception in poll service thread: " + e.ToString());
                     }
                 }
             }

OpenSim/Framework/Util.cs

@@ -1779,10 +1779,12 @@ namespace OpenSim.Framework
             FireAndForget(callback, null);
         }
 
-        public static void InitThreadPool(int maxThreads)
+        public static void InitThreadPool(int minThreads, int maxThreads)
         {
             if (maxThreads < 2)
                 throw new ArgumentOutOfRangeException("maxThreads", "maxThreads must be greater than 2");
+            if (minThreads > maxThreads || minThreads < 2)
+                throw new ArgumentOutOfRangeException("minThreads", "minThreads must be greater than 2 and less than or equal to maxThreads");
             if (m_ThreadPool != null)
                 throw new InvalidOperationException("SmartThreadPool is already initialized");
 
@@ -1791,6 +1793,7 @@ namespace OpenSim.Framework
             startInfo.IdleTimeout = 2000;
             startInfo.MaxWorkerThreads = maxThreads;
             startInfo.MinWorkerThreads = 2;
+            startInfo.MinWorkerThreads = minThreads;
 
             m_ThreadPool = new SmartThreadPool(startInfo);
         }
@@ -1865,7 +1868,7 @@ namespace OpenSim.Framework
                     break;
                 case FireAndForgetMethod.SmartThreadPool:
                     if (m_ThreadPool == null)
-                        InitThreadPool(15); 
+                        InitThreadPool(2, 15); 
                     m_ThreadPool.QueueWorkItem((cb, o) => cb(o), realCallback, obj);
                     break;
                 case FireAndForgetMethod.Thread:

OpenSim/Region/Application/OpenSim.cs

@@ -86,6 +86,7 @@ namespace OpenSim
             IConfig startupConfig = Config.Configs["Startup"];
             IConfig networkConfig = Config.Configs["Network"];
 
+            int stpMinThreads = 2; 
             int stpMaxThreads = 15;
 
             if (startupConfig != null)
@@ -112,12 +113,13 @@ namespace OpenSim
                 if (!String.IsNullOrEmpty(asyncCallMethodStr) && Utils.EnumTryParse<FireAndForgetMethod>(asyncCallMethodStr, out asyncCallMethod))
                     Util.FireAndForgetMethod = asyncCallMethod;
 
+                stpMinThreads = startupConfig.GetInt("MinPoolThreads", 15); 
                 stpMaxThreads = startupConfig.GetInt("MaxPoolThreads", 15);
                 m_consolePrompt = startupConfig.GetString("ConsolePrompt", @"Region (\R) ");
             }
 
             if (Util.FireAndForgetMethod == FireAndForgetMethod.SmartThreadPool)
-                Util.InitThreadPool(stpMaxThreads);
+                Util.InitThreadPool(stpMinThreads, stpMaxThreads);
 
             m_log.Info("[OPENSIM MAIN]: Using async_call_method " + Util.FireAndForgetMethod);
         }

OpenSim/Region/ClientStack/Linden/Caps/EventQueue/EventQueueGetModule.cs

@@ -65,6 +65,13 @@ namespace OpenSim.Region.ClientStack.Linden
         /// </value>
         public int DebugLevel { get; set; }
 
+        // Viewer post requests timeout in 60 secs
+        // https://bitbucket.org/lindenlab/viewer-release/src/421c20423df93d650cc305dc115922bb30040999/indra/llmessage/llhttpclient.cpp?at=default#cl-44
+        //
+        private const int VIEWER_TIMEOUT = 60 * 1000;
+        // Just to be safe, we work on a 10 sec shorter cycle
+        private const int SERVER_EQ_TIME_NO_EVENTS = VIEWER_TIMEOUT - (10 * 1000);
+
         protected Scene m_scene;
         
         private Dictionary<UUID, int> m_ids = new Dictionary<UUID, int>();
@@ -363,8 +370,8 @@ namespace OpenSim.Region.ClientStack.Linden
             }
 
             caps.RegisterPollHandler(
-                "EventQueueGet", 
+                "EventQueueGet",
-                new PollServiceEventArgs(null, GenerateEqgCapPath(eventQueueGetUUID), HasEvents, GetEvents, NoEvents, agentID, 40000));
+                new PollServiceEventArgs(null, GenerateEqgCapPath(eventQueueGetUUID), HasEvents, GetEvents, NoEvents, agentID, SERVER_EQ_TIME_NO_EVENTS));
 
             Random rnd = new Random(Environment.TickCount);
             lock (m_ids)

OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs

@@ -96,6 +96,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         public event Action<IClientAPI, bool> OnCompleteMovementToRegion;
         public event UpdateAgent OnPreAgentUpdate;
         public event UpdateAgent OnAgentUpdate;
+        public event UpdateAgent OnAgentCameraUpdate;
         public event AgentRequestSit OnAgentRequestSit;
         public event AgentSit OnAgentSit;
         public event AvatarPickerRequest OnAvatarPickerRequest;
@@ -357,7 +358,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         /// This does mean that agent updates must be processed synchronously, at least for each client, and called methods
         /// cannot retain a reference to it outside of that method.
         /// </remarks>
-        private AgentUpdateArgs m_lastAgentUpdateArgs;
+        private AgentUpdateArgs m_thisAgentUpdateArgs = new AgentUpdateArgs();
 
         protected Dictionary<PacketType, PacketProcessor> m_packetHandlers = new Dictionary<PacketType, PacketProcessor>();
         protected Dictionary<string, GenericMessage> m_genericPacketHandlers = new Dictionary<string, GenericMessage>(); //PauPaw:Local Generic Message handlers
@@ -485,6 +486,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             m_udpServer = udpServer;
             m_udpClient = udpClient;
             m_udpClient.OnQueueEmpty += HandleQueueEmpty;
+            m_udpClient.HasUpdates += HandleHasUpdates;
             m_udpClient.OnPacketStats += PopulateStats;
 
             m_prioritizer = new Prioritizer(m_scene);
@@ -809,7 +811,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             handshake.RegionInfo4[0].RegionFlagsExtended = args.regionFlags;
             handshake.RegionInfo4[0].RegionProtocols = 0; // 1 here would indicate that SSB is supported
 
-            OutPacket(handshake, ThrottleOutPacketType.Task);
+            OutPacket(handshake, ThrottleOutPacketType.Unknown);
         }
 
 
@@ -3776,6 +3778,17 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 ResendPrimUpdate(update);
         }
 
+//        OpenSim.Framework.Lazy<List<ObjectUpdatePacket.ObjectDataBlock>> objectUpdateBlocks = new OpenSim.Framework.Lazy<List<ObjectUpdatePacket.ObjectDataBlock>>();
+//        OpenSim.Framework.Lazy<List<ObjectUpdateCompressedPacket.ObjectDataBlock>> compressedUpdateBlocks = new OpenSim.Framework.Lazy<List<ObjectUpdateCompressedPacket.ObjectDataBlock>>();
+//        OpenSim.Framework.Lazy<List<ImprovedTerseObjectUpdatePacket.ObjectDataBlock>> terseUpdateBlocks = new OpenSim.Framework.Lazy<List<ImprovedTerseObjectUpdatePacket.ObjectDataBlock>>();
+//        OpenSim.Framework.Lazy<List<ImprovedTerseObjectUpdatePacket.ObjectDataBlock>> terseAgentUpdateBlocks = new OpenSim.Framework.Lazy<List<ImprovedTerseObjectUpdatePacket.ObjectDataBlock>>();
+//
+//        OpenSim.Framework.Lazy<List<EntityUpdate>> objectUpdates = new OpenSim.Framework.Lazy<List<EntityUpdate>>();
+//        OpenSim.Framework.Lazy<List<EntityUpdate>> compressedUpdates = new OpenSim.Framework.Lazy<List<EntityUpdate>>();
+//        OpenSim.Framework.Lazy<List<EntityUpdate>> terseUpdates = new OpenSim.Framework.Lazy<List<EntityUpdate>>();
+//        OpenSim.Framework.Lazy<List<EntityUpdate>> terseAgentUpdates = new OpenSim.Framework.Lazy<List<EntityUpdate>>();
+
+
         private void ProcessEntityUpdates(int maxUpdates)
         {
             OpenSim.Framework.Lazy<List<ObjectUpdatePacket.ObjectDataBlock>> objectUpdateBlocks = new OpenSim.Framework.Lazy<List<ObjectUpdatePacket.ObjectDataBlock>>();
@@ -3788,6 +3801,15 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             OpenSim.Framework.Lazy<List<EntityUpdate>> terseUpdates = new OpenSim.Framework.Lazy<List<EntityUpdate>>();
             OpenSim.Framework.Lazy<List<EntityUpdate>> terseAgentUpdates = new OpenSim.Framework.Lazy<List<EntityUpdate>>();
 
+//            objectUpdateBlocks.Value.Clear();
+//            compressedUpdateBlocks.Value.Clear();
+//            terseUpdateBlocks.Value.Clear();
+//            terseAgentUpdateBlocks.Value.Clear();
+//            objectUpdates.Value.Clear();
+//            compressedUpdates.Value.Clear();
+//            terseUpdates.Value.Clear();
+//            terseAgentUpdates.Value.Clear();
+
             // Check to see if this is a flush
             if (maxUpdates <= 0)
             {
@@ -4113,8 +4135,14 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
         void HandleQueueEmpty(ThrottleOutPacketTypeFlags categories)
         {
+//            if (!m_udpServer.IsRunningOutbound)
+//                return;
+
             if ((categories & ThrottleOutPacketTypeFlags.Task) != 0)
             {
+//                if (!m_udpServer.IsRunningOutbound)
+//                    return;
+
                 if (m_maxUpdates == 0 || m_LastQueueFill == 0)
                 {
                     m_maxUpdates = m_udpServer.PrimUpdatesPerCallback;
@@ -4140,6 +4168,27 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 ImageManager.ProcessImageQueue(m_udpServer.TextureSendLimit);
         }
 
+        internal bool HandleHasUpdates(ThrottleOutPacketTypeFlags categories)
+        {
+            bool hasUpdates = false;
+
+            if ((categories & ThrottleOutPacketTypeFlags.Task) != 0)
+            {
+                if (m_entityUpdates.Count > 0)
+                    hasUpdates = true;
+                else if (m_entityProps.Count > 0)
+                    hasUpdates = true;                   
+            }
+
+            if ((categories & ThrottleOutPacketTypeFlags.Texture) != 0)
+            {
+                if (ImageManager.HasUpdates())
+                    hasUpdates = true;
+            }
+
+            return hasUpdates;
+        }
+
         public void SendAssetUploadCompleteMessage(sbyte AssetType, bool Success, UUID AssetFullID)
         {
             AssetUploadCompletePacket newPack = new AssetUploadCompletePacket();
@@ -4961,7 +5010,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             {
                 ScenePresence presence = (ScenePresence)entity;
 
-                attachPoint = 0;
+                attachPoint = presence.State;
                 collisionPlane = presence.CollisionPlane;
                 position = presence.OffsetPosition;
                 velocity = presence.Velocity;
@@ -4985,7 +5034,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 SceneObjectPart part = (SceneObjectPart)entity;
 
                 attachPoint = part.ParentGroup.AttachmentPoint;
-
+                attachPoint = ((attachPoint % 16) * 16 + (attachPoint / 16));
 //                m_log.DebugFormat(
 //                    "[LLCLIENTVIEW]: Sending attachPoint {0} for {1} {2} to {3}",
 //                    attachPoint, part.Name, part.LocalId, Name);
@@ -5013,7 +5062,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             pos += 4;
 
             // Avatar/CollisionPlane
-            data[pos++] = (byte)((attachPoint % 16) * 16 + (attachPoint / 16)); ;
+            data[pos++] = (byte) attachPoint;
             if (avatar)
             {
                 data[pos++] = 1;
@@ -5517,82 +5566,137 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
         #region Packet Handlers
 
+        public int TotalAgentUpdates { get; set; }
+
         #region Scene/Avatar
 
-        private bool HandleAgentUpdate(IClientAPI sener, Packet packet)
+        // Threshold for body rotation to be a significant agent update
+        private const float QDELTA = 0.000001f;
+        // Threshold for camera rotation to be a significant agent update
+        private const float VDELTA = 0.01f;
+
+        /// <summary>
+        /// This checks the update significance against the last update made.
+        /// </summary>
+        /// <remarks>Can only be called by one thread at a time</remarks>
+        /// <returns></returns>
+        /// <param name='x'></param>
+        public bool CheckAgentUpdateSignificance(AgentUpdatePacket.AgentDataBlock x)
         {
-            if (OnAgentUpdate != null)
+            return CheckAgentMovementUpdateSignificance(x) || CheckAgentCameraUpdateSignificance(x);
+        }
+
+        /// <summary>
+        /// This checks the movement/state update significance against the last update made.
+        /// </summary>
+        /// <remarks>Can only be called by one thread at a time</remarks>
+        /// <returns></returns>
+        /// <param name='x'></param>
+        private bool CheckAgentMovementUpdateSignificance(AgentUpdatePacket.AgentDataBlock x)
+        {
+            float qdelta1 = 1 - (float)Math.Pow(Quaternion.Dot(x.BodyRotation, m_thisAgentUpdateArgs.BodyRotation), 2);
+            //qdelta2 = 1 - (float)Math.Pow(Quaternion.Dot(x.HeadRotation, m_thisAgentUpdateArgs.HeadRotation), 2);
+
+            bool movementSignificant =
+                (qdelta1 > QDELTA)                                          // significant if body rotation above threshold
+                // Ignoring head rotation altogether, because it's not being used for anything interesting up the stack
+                // || (qdelta2 > QDELTA * 10)                               // significant if head rotation above threshold
+                || (x.ControlFlags != m_thisAgentUpdateArgs.ControlFlags)   // significant if control flags changed
+                || (x.ControlFlags != (byte)AgentManager.ControlFlags.NONE) // significant if user supplying any movement update commands
+                || (x.Far != m_thisAgentUpdateArgs.Far)                     // significant if far distance changed
+                || (x.Flags != m_thisAgentUpdateArgs.Flags)                 // significant if Flags changed
+                || (x.State != m_thisAgentUpdateArgs.State)                 // significant if Stats changed
+            ;
+            //if (movementSignificant)
+            //{
+                //m_log.DebugFormat("[LLCLIENTVIEW]: Bod {0} {1}",
+                //    qdelta1, qdelta2);
+                //m_log.DebugFormat("[LLCLIENTVIEW]: St {0} {1} {2} {3}",
+                //    x.ControlFlags, x.Flags, x.Far, x.State);
+            //}
+            return movementSignificant;
+        }
+
+        /// <summary>
+        /// This checks the camera update significance against the last update made.
+        /// </summary>
+        /// <remarks>Can only be called by one thread at a time</remarks>
+        /// <returns></returns>
+        /// <param name='x'></param>
+        private bool CheckAgentCameraUpdateSignificance(AgentUpdatePacket.AgentDataBlock x)
+        {
+            float vdelta1 = Vector3.Distance(x.CameraAtAxis, m_thisAgentUpdateArgs.CameraAtAxis);
+            float vdelta2 = Vector3.Distance(x.CameraCenter, m_thisAgentUpdateArgs.CameraCenter);
+            float vdelta3 = Vector3.Distance(x.CameraLeftAxis, m_thisAgentUpdateArgs.CameraLeftAxis);
+            float vdelta4 = Vector3.Distance(x.CameraUpAxis, m_thisAgentUpdateArgs.CameraUpAxis);
+
+            bool cameraSignificant =
+                (vdelta1 > VDELTA) ||
+                (vdelta2 > VDELTA) ||
+                (vdelta3 > VDELTA) ||
+                (vdelta4 > VDELTA)
+            ;
+
+            //if (cameraSignificant)
+            //{
+                //m_log.DebugFormat("[LLCLIENTVIEW]: Cam1 {0} {1}",
+                //    x.CameraAtAxis, x.CameraCenter);
+                //m_log.DebugFormat("[LLCLIENTVIEW]: Cam2 {0} {1}",
+                //    x.CameraLeftAxis, x.CameraUpAxis);
+            //}
+
+            return cameraSignificant;
+        }
+
+        private bool HandleAgentUpdate(IClientAPI sener, Packet packet)
+        {            
+            // We got here, which means that something in agent update was significant
+
+            AgentUpdatePacket agentUpdate = (AgentUpdatePacket)packet;
+            AgentUpdatePacket.AgentDataBlock x = agentUpdate.AgentData;
+
+            if (x.AgentID != AgentId || x.SessionID != SessionId)
+                return false;
+
+            // Before we update the current m_thisAgentUpdateArgs, let's check this again
+            // to see what exactly changed
+            bool movement = CheckAgentMovementUpdateSignificance(x);
+            bool camera = CheckAgentCameraUpdateSignificance(x);
+
+            m_thisAgentUpdateArgs.AgentID = x.AgentID;
+            m_thisAgentUpdateArgs.BodyRotation = x.BodyRotation;
+            m_thisAgentUpdateArgs.CameraAtAxis = x.CameraAtAxis;
+            m_thisAgentUpdateArgs.CameraCenter = x.CameraCenter;
+            m_thisAgentUpdateArgs.CameraLeftAxis = x.CameraLeftAxis;
+            m_thisAgentUpdateArgs.CameraUpAxis = x.CameraUpAxis;
+            m_thisAgentUpdateArgs.ControlFlags = x.ControlFlags;
+            m_thisAgentUpdateArgs.Far = x.Far;
+            m_thisAgentUpdateArgs.Flags = x.Flags;
+            m_thisAgentUpdateArgs.HeadRotation = x.HeadRotation;
+            m_thisAgentUpdateArgs.SessionID = x.SessionID;
+            m_thisAgentUpdateArgs.State = x.State;
+
+            UpdateAgent handlerAgentUpdate = OnAgentUpdate;
+            UpdateAgent handlerPreAgentUpdate = OnPreAgentUpdate;
+            UpdateAgent handlerAgentCameraUpdate = OnAgentCameraUpdate;
+
+            // Was there a significant movement/state change?
+            if (movement)
             {
-                AgentUpdatePacket agentUpdate = (AgentUpdatePacket)packet;
+                if (handlerPreAgentUpdate != null)
+                    OnPreAgentUpdate(this, m_thisAgentUpdateArgs);
 
-                #region Packet Session and User Check
+                if (handlerAgentUpdate != null)
-                if (agentUpdate.AgentData.SessionID != SessionId || agentUpdate.AgentData.AgentID != AgentId)
+                    OnAgentUpdate(this, m_thisAgentUpdateArgs);
-                {
-                    PacketPool.Instance.ReturnPacket(packet);
-                    return false;
-                }
-                #endregion
-
-                bool update = false;
-                AgentUpdatePacket.AgentDataBlock x = agentUpdate.AgentData;
-
-                if (m_lastAgentUpdateArgs != null)
-                {
-                    // These should be ordered from most-likely to
-                    // least likely to change. I've made an initial
-                    // guess at that.
-                    update =
-                       (
-                        (x.BodyRotation != m_lastAgentUpdateArgs.BodyRotation) ||
-                        (x.CameraAtAxis != m_lastAgentUpdateArgs.CameraAtAxis) ||
-                        (x.CameraCenter != m_lastAgentUpdateArgs.CameraCenter) ||
-                        (x.CameraLeftAxis != m_lastAgentUpdateArgs.CameraLeftAxis) ||
-                        (x.CameraUpAxis != m_lastAgentUpdateArgs.CameraUpAxis) ||
-                        (x.ControlFlags != m_lastAgentUpdateArgs.ControlFlags) ||
-                        (x.Far != m_lastAgentUpdateArgs.Far) ||
-                        (x.Flags != m_lastAgentUpdateArgs.Flags) ||
-                        (x.State != m_lastAgentUpdateArgs.State) ||
-                        (x.HeadRotation != m_lastAgentUpdateArgs.HeadRotation) ||
-                        (x.SessionID != m_lastAgentUpdateArgs.SessionID) ||
-                        (x.AgentID != m_lastAgentUpdateArgs.AgentID)
-                       );
-                }
-                else
-                {
-                    m_lastAgentUpdateArgs = new AgentUpdateArgs();
-                    update = true;
-                }
-
-                if (update)
-                {
-//                    m_log.DebugFormat("[LLCLIENTVIEW]: Triggered AgentUpdate for {0}", sener.Name);
-
-                    m_lastAgentUpdateArgs.AgentID = x.AgentID;
-                    m_lastAgentUpdateArgs.BodyRotation = x.BodyRotation;
-                    m_lastAgentUpdateArgs.CameraAtAxis = x.CameraAtAxis;
-                    m_lastAgentUpdateArgs.CameraCenter = x.CameraCenter;
-                    m_lastAgentUpdateArgs.CameraLeftAxis = x.CameraLeftAxis;
-                    m_lastAgentUpdateArgs.CameraUpAxis = x.CameraUpAxis;
-                    m_lastAgentUpdateArgs.ControlFlags = x.ControlFlags;
-                    m_lastAgentUpdateArgs.Far = x.Far;
-                    m_lastAgentUpdateArgs.Flags = x.Flags;
-                    m_lastAgentUpdateArgs.HeadRotation = x.HeadRotation;
-                    m_lastAgentUpdateArgs.SessionID = x.SessionID;
-                    m_lastAgentUpdateArgs.State = x.State;
-
-                    UpdateAgent handlerAgentUpdate = OnAgentUpdate;
-                    UpdateAgent handlerPreAgentUpdate = OnPreAgentUpdate;
-
-                    if (handlerPreAgentUpdate != null)
-                        OnPreAgentUpdate(this, m_lastAgentUpdateArgs);
-
-                    if (handlerAgentUpdate != null)
-                        OnAgentUpdate(this, m_lastAgentUpdateArgs);
-
-                    handlerAgentUpdate = null;
-                    handlerPreAgentUpdate = null;
-                }
             }
+            // Was there a significant camera(s) change?
+            if (camera)
+                if (handlerAgentCameraUpdate != null)
+                    handlerAgentCameraUpdate(this, m_thisAgentUpdateArgs);
+
+            handlerAgentUpdate = null;
+            handlerPreAgentUpdate = null;
+            handlerAgentCameraUpdate = null;
 
             PacketPool.Instance.ReturnPacket(packet);
 
@@ -12441,7 +12545,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             OutPacket(dialog, ThrottleOutPacketType.Task);
         }
 
-        public void StopFlying(ISceneEntity p)
+        public void SendAgentTerseUpdate(ISceneEntity p)
         {
             if (p is ScenePresence)
             {
@@ -12455,25 +12559,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
                 Vector3 pos = presence.AbsolutePosition;
 
-                if (presence.Appearance.AvatarHeight != 127.0f)
-                    pos += new Vector3(0f, 0f, (presence.Appearance.AvatarHeight/6f));
-                else
-                    pos += new Vector3(0f, 0f, (1.56f/6f));
-
-                presence.AbsolutePosition = pos;
-
-                // attach a suitable collision plane regardless of the actual situation to force the LLClient to land.
-                // Collision plane below the avatar's position a 6th of the avatar's height is suitable.
-                // Mind you, that this method doesn't get called if the avatar's velocity magnitude is greater then a
-                // certain amount..   because the LLClient wouldn't land in that situation anyway.
-
-                // why are we still testing for this really old height value default???
-                if (presence.Appearance.AvatarHeight != 127.0f)
-                    presence.CollisionPlane = new Vector4(0, 0, 0, pos.Z - presence.Appearance.AvatarHeight/6f);
-                else
-                    presence.CollisionPlane = new Vector4(0, 0, 0, pos.Z - (1.56f/6f));
-
-
                 ImprovedTerseObjectUpdatePacket.ObjectDataBlock block =
                     CreateImprovedTerseBlock(p, false);
 

OpenSim/Region/ClientStack/Linden/UDP/LLImageManager.cs

@@ -206,6 +206,13 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             }
         }
 
+        public bool HasUpdates()
+        {
+            J2KImage image = GetHighestPriorityImage();
+
+            return image != null && image.IsDecoded;
+        }
+
         public bool ProcessImageQueue(int packetsToSend)
         {
             int packetsSent = 0;

OpenSim/Region/ClientStack/Linden/UDP/LLUDPClient.cs

@@ -31,6 +31,7 @@ using System.Net;
 using System.Threading;
 using log4net;
 using OpenSim.Framework;
+using OpenSim.Framework.Monitoring;
 using OpenMetaverse;
 using OpenMetaverse.Packets;
 
@@ -81,6 +82,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         /// hooked to put more data on the empty queue</summary>
         public event QueueEmpty OnQueueEmpty;
 
+        public event Func<ThrottleOutPacketTypeFlags, bool> HasUpdates;
+
         /// <summary>AgentID for this client</summary>
         public readonly UUID AgentID;
         /// <summary>The remote address of the connected client</summary>
@@ -613,15 +616,38 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         /// <param name="categories">Throttle categories to fire the callback for</param>
         private void BeginFireQueueEmpty(ThrottleOutPacketTypeFlags categories)
         {
-            if (m_nextOnQueueEmpty != 0 && (Environment.TickCount & Int32.MaxValue) >= m_nextOnQueueEmpty)
+//            if (m_nextOnQueueEmpty != 0 && (Environment.TickCount & Int32.MaxValue) >= m_nextOnQueueEmpty)
+            if (!m_isQueueEmptyRunning && (Environment.TickCount & Int32.MaxValue) >= m_nextOnQueueEmpty)
             {
+                m_isQueueEmptyRunning = true;
+
+                int start = Environment.TickCount & Int32.MaxValue;
+                const int MIN_CALLBACK_MS = 30;
+
+                m_nextOnQueueEmpty = start + MIN_CALLBACK_MS;
+                if (m_nextOnQueueEmpty == 0)
+                    m_nextOnQueueEmpty = 1;
+
                 // Use a value of 0 to signal that FireQueueEmpty is running
-                m_nextOnQueueEmpty = 0;
+//                m_nextOnQueueEmpty = 0;
-                // Asynchronously run the callback
+
-                Util.FireAndForget(FireQueueEmpty, categories);
+                m_categories = categories;
+
+                if (HasUpdates(m_categories))
+                {
+                    // Asynchronously run the callback
+                    Util.FireAndForget(FireQueueEmpty, categories);
+                }
+                else
+                {
+                    m_isQueueEmptyRunning = false;
+                }
             }
         }
 
+        private bool m_isQueueEmptyRunning;
+        private ThrottleOutPacketTypeFlags m_categories = 0;
+
         /// <summary>
         /// Fires the OnQueueEmpty callback and sets the minimum time that it
         /// can be called again
@@ -631,22 +657,31 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         /// signature</param>
         private void FireQueueEmpty(object o)
         {
-            const int MIN_CALLBACK_MS = 30;
+//            int start = Environment.TickCount & Int32.MaxValue;
+//            const int MIN_CALLBACK_MS = 30;
 
-            ThrottleOutPacketTypeFlags categories = (ThrottleOutPacketTypeFlags)o;
+//            if (m_udpServer.IsRunningOutbound)
-            QueueEmpty callback = OnQueueEmpty;
+//            {        
-            
+                ThrottleOutPacketTypeFlags categories = (ThrottleOutPacketTypeFlags)o;
-            int start = Environment.TickCount & Int32.MaxValue;
+                QueueEmpty callback = OnQueueEmpty;                      
 
-            if (callback != null)
+                if (callback != null)
-            {
+                {
-                try { callback(categories); }
+//                    if (m_udpServer.IsRunningOutbound)
-                catch (Exception e) { m_log.Error("[LLUDPCLIENT]: OnQueueEmpty(" + categories + ") threw an exception: " + e.Message, e); }
+//                    {                
-            }
+                        try { callback(categories); }
+                        catch (Exception e) { m_log.Error("[LLUDPCLIENT]: OnQueueEmpty(" + categories + ") threw an exception: " + e.Message, e); }
+//                    }
+                }
+//            }
 
-            m_nextOnQueueEmpty = start + MIN_CALLBACK_MS;
+//            m_nextOnQueueEmpty = start + MIN_CALLBACK_MS;
-            if (m_nextOnQueueEmpty == 0)
+//            if (m_nextOnQueueEmpty == 0)
-                m_nextOnQueueEmpty = 1;
+//                m_nextOnQueueEmpty = 1;
+
+//            }
+
+            m_isQueueEmptyRunning = false;
         }
 
         /// <summary>

OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs

@@ -67,11 +67,24 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         {
             m_udpServer.AddScene(scene);
 
+            StatsManager.RegisterStat(
+                new Stat(
+                    "IncomingUDPReceivesCount",
+                    "Number of UDP receives performed",
+                    "Number of UDP receives performed",
+                    "",
+                    "clientstack",
+                    scene.Name,
+                    StatType.Pull,
+                    MeasuresOfInterest.AverageChangeOverTime,
+                    stat => stat.Value = m_udpServer.UdpReceives,
+                    StatVerbosity.Debug));
+
             StatsManager.RegisterStat(
                 new Stat(
                     "IncomingPacketsProcessedCount",
-                    "Number of inbound UDP packets processed",
+                    "Number of inbound LL protocol packets processed",
-                    "Number of inbound UDP packets processed",
+                    "Number of inbound LL protocol packets processed",
                     "",
                     "clientstack",
                     scene.Name,
@@ -79,6 +92,34 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                     MeasuresOfInterest.AverageChangeOverTime,
                     stat => stat.Value = m_udpServer.IncomingPacketsProcessed,
                     StatVerbosity.Debug));
+
+            StatsManager.RegisterStat(
+                new Stat(
+                    "OutgoingUDPSendsCount",
+                    "Number of UDP sends performed",
+                    "Number of UDP sends performed",
+                    "",
+                    "clientstack",
+                    scene.Name,
+                    StatType.Pull,
+                    MeasuresOfInterest.AverageChangeOverTime,
+                    stat => stat.Value = m_udpServer.UdpSends,
+                    StatVerbosity.Debug));
+
+            StatsManager.RegisterStat(
+                new Stat(
+                    "AverageUDPProcessTime",
+                    "Average number of milliseconds taken to process each incoming UDP packet in a sample.",
+                    "This is for initial receive processing which is separate from the later client LL packet processing stage.",
+                    "ms",
+                    "clientstack",
+                    scene.Name,
+                    StatType.Pull,
+                    MeasuresOfInterest.None,
+                    stat => stat.Value = m_udpServer.AverageReceiveTicksForLastSamplePeriod / TimeSpan.TicksPerMillisecond,
+//                    stat => 
+//                        stat.Value = Math.Round(m_udpServer.AverageReceiveTicksForLastSamplePeriod / TimeSpan.TicksPerMillisecond, 7),
+                    StatVerbosity.Debug));
         }
 
         public bool HandlesRegion(Location x)
@@ -182,6 +223,15 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         /// <summary>Flag to signal when clients should send pings</summary>
         protected bool m_sendPing;
 
+        /// <summary>
+        /// Event used to signal when queued packets are available for sending.
+        /// </summary>
+        /// <remarks>
+        /// This allows the outbound loop to only operate when there is data to send rather than continuously polling.
+        /// Some data is sent immediately and not queued.  That data would not trigger this event.
+        /// </remarks>
+        private AutoResetEvent m_dataPresentEvent = new AutoResetEvent(false);
+
         private Pool<IncomingPacket> m_incomingPacketPool;
 
         /// <summary>
@@ -459,6 +509,19 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             m_scene = (Scene)scene;
             m_location = new Location(m_scene.RegionInfo.RegionHandle);
 
+            StatsManager.RegisterStat(
+                new Stat(
+                    "InboxPacketsCount",
+                    "Number of LL protocol packets waiting for the second stage of processing after initial receive.",
+                    "Number of LL protocol packets waiting for the second stage of processing after initial receive.",
+                    "",
+                    "clientstack",
+                    scene.Name,
+                    StatType.Pull,
+                    MeasuresOfInterest.AverageChangeOverTime,
+                    stat => stat.Value = packetInbox.Count,
+                    StatVerbosity.Debug));
+
             // XXX: These stats are also pool stats but we register them separately since they are currently not
             // turned on and off by EnablePools()/DisablePools()
             StatsManager.RegisterStat(
@@ -572,6 +635,14 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 "debug lludp status",
                 "Return status of LLUDP packet processing.",
                 HandleStatusCommand);
+
+            MainConsole.Instance.Commands.AddCommand(
+                "Debug",
+                false,
+                "debug lludp toggle agentupdate",
+                "debug lludp toggle agentupdate",
+                "Toggle whether agentupdate packets are processed or simply discarded.",
+                HandleAgentUpdateCommand);
         }
 
         private void HandlePacketCommand(string module, string[] args)
@@ -706,6 +777,19 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             }
         }
 
+        bool m_discardAgentUpdates;
+
+        private void HandleAgentUpdateCommand(string module, string[] args)
+        {
+            if (SceneManager.Instance.CurrentScene != null && SceneManager.Instance.CurrentScene != m_scene)
+                return;
+
+            m_discardAgentUpdates = !m_discardAgentUpdates;
+
+            MainConsole.Instance.OutputFormat(
+                "Discard AgentUpdates now {0} for {1}", m_discardAgentUpdates, m_scene.Name);
+        }
+
         private void HandleStatusCommand(string module, string[] args)
         {
             if (SceneManager.Instance.CurrentScene != null && SceneManager.Instance.CurrentScene != m_scene)
@@ -806,6 +890,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             }
 
             PacketPool.Instance.ReturnPacket(packet);
+
+            m_dataPresentEvent.Set();
         }
 
         /// <summary>
@@ -1179,6 +1265,19 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
                 return;
             }
+            else if (packet.Type == PacketType.CompleteAgentMovement)
+            {
+                // Send ack straight away to let the viewer know that we got it.
+                SendAckImmediate(endPoint, packet.Header.Sequence);
+
+                // We need to copy the endpoint so that it doesn't get changed when another thread reuses the
+                // buffer.
+                object[] array = new object[] { new IPEndPoint(endPoint.Address, endPoint.Port), packet };
+
+                Util.FireAndForget(HandleCompleteMovementIntoRegion, array);
+
+                return;
+            }
 
             // Determine which agent this packet came from
             IClientAPI client;
@@ -1282,6 +1381,25 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             LogPacketHeader(true, udpClient.CircuitCode, 0, packet.Type, (ushort)packet.Length);
             #endregion BinaryStats
 
+            if (packet.Type == PacketType.AgentUpdate)
+            {
+                if (m_discardAgentUpdates)
+                    return;
+
+                ((LLClientView)client).TotalAgentUpdates++;
+
+                AgentUpdatePacket agentUpdate = (AgentUpdatePacket)packet;
+
+                LLClientView llClient = client as LLClientView;
+                if (agentUpdate.AgentData.SessionID != client.SessionId 
+                    || agentUpdate.AgentData.AgentID != client.AgentId
+                    || !(llClient == null || llClient.CheckAgentUpdateSignificance(agentUpdate.AgentData)) )
+                {
+                    PacketPool.Instance.ReturnPacket(packet);
+                    return;
+                }
+            }
+
             #region Ping Check Handling
 
             if (packet.Type == PacketType.StartPingCheck)
@@ -1499,6 +1617,74 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             }
         }
 
+        private void HandleCompleteMovementIntoRegion(object o)
+        {
+            IPEndPoint endPoint = null;
+            IClientAPI client = null;
+
+            try
+            {
+                object[] array = (object[])o;
+                endPoint = (IPEndPoint)array[0];
+                CompleteAgentMovementPacket packet = (CompleteAgentMovementPacket)array[1];
+
+                // Determine which agent this packet came from
+                int count = 20;
+                bool ready = false;
+                while (!ready && count-- > 0)
+                {
+                    // Let's make sure there is an active client attached to a scene presence,
+                    // otherwise there won't be any handlers for this packet
+                    if (m_scene.TryGetClient(endPoint, out client) && client.IsActive && client.SceneAgent != null)
+                    {
+                        LLClientView llClientView = (LLClientView)client;
+                        LLUDPClient udpClient = llClientView.UDPClient;
+                        if (udpClient != null && udpClient.IsConnected)
+                            ready = true;
+                        else
+                        {
+                            m_log.Debug("[LLUDPSERVER]: Received a CompleteMovementIntoRegion in " + m_scene.RegionInfo.RegionName + " (not ready yet)");
+                            Thread.Sleep(200);
+                        }
+                    }
+                    else
+                    {
+                        m_log.Debug("[LLUDPSERVER]: Received a CompleteMovementIntoRegion in " + m_scene.RegionInfo.RegionName + " (not ready yet)");
+                        Thread.Sleep(200);
+                    }
+                }
+
+                if (client == null)
+                    return;
+
+                IncomingPacket incomingPacket1;
+
+                // Inbox insertion
+                if (UsePools)
+                {
+                    incomingPacket1 = m_incomingPacketPool.GetObject();
+                    incomingPacket1.Client = (LLClientView)client;
+                    incomingPacket1.Packet = packet;
+                }
+                else
+                {
+                    incomingPacket1 = new IncomingPacket((LLClientView)client, packet);
+                }
+
+                packetInbox.Enqueue(incomingPacket1);
+            }
+            catch (Exception e)
+            {
+                m_log.ErrorFormat(
+                    "[LLUDPSERVER]: CompleteMovementIntoRegion handling from endpoint {0}, client {1} {2} failed.  Exception {3}{4}",
+                    endPoint != null ? endPoint.ToString() : "n/a",
+                    client != null ? client.Name : "unknown",
+                    client != null ? client.AgentId.ToString() : "unknown",
+                    e.Message,
+                    e.StackTrace);
+            }
+        }
+
         /// <summary>
         /// Send an ack immediately to the given endpoint.
         /// </summary>
@@ -1718,8 +1904,12 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
                     // If nothing was sent, sleep for the minimum amount of time before a
                     // token bucket could get more tokens
-                    if (!m_packetSent)
+                    //if (!m_packetSent)
-                        Thread.Sleep((int)TickCountResolution);
+                    //    Thread.Sleep((int)TickCountResolution);
+                    //
+                    // Instead, now wait for data present to be explicitly signalled.  Evidence so far is that with
+                    // modern mono it reduces CPU base load since there is no more continuous polling.
+                    m_dataPresentEvent.WaitOne(100);
 
                     Watchdog.UpdateThread();
                 }

OpenSim/Region/ClientStack/Linden/UDP/OpenSimUDPBase.cs

@@ -77,6 +77,36 @@ namespace OpenMetaverse
         /// <remarks>If IsRunningOut = false, then any request to send a packet is simply dropped.</remarks>
         public bool IsRunningOutbound { get; private set; }
 
+        /// <summary>
+        /// Number of UDP receives.
+        /// </summary>
+        public int UdpReceives { get; private set; }
+
+        /// <summary>
+        /// Number of UDP sends
+        /// </summary>
+        public int UdpSends { get; private set; }
+
+        /// <summary>
+        /// Number of receives over which to establish a receive time average.
+        /// </summary>
+        private readonly static int s_receiveTimeSamples = 500;
+
+        /// <summary>
+        /// Current number of samples taken to establish a receive time average.
+        /// </summary>
+        private int m_currentReceiveTimeSamples;
+
+        /// <summary>
+        /// Cumulative receive time for the sample so far.
+        /// </summary>
+        private int m_receiveTicksInCurrentSamplePeriod;
+
+        /// <summary>
+        /// The average time taken for each require receive in the last sample.
+        /// </summary>
+        public float AverageReceiveTicksForLastSamplePeriod { get; private set; }
+
         /// <summary>
         /// Default constructor
         /// </summary>
@@ -111,6 +141,8 @@ namespace OpenMetaverse
 
             if (!IsRunningInbound)
             {
+                m_log.DebugFormat("[UDPBASE]: Starting inbound UDP loop");
+
                 const int SIO_UDP_CONNRESET = -1744830452;
 
                 IPEndPoint ipep = new IPEndPoint(m_localBindAddress, m_udpPort);
@@ -155,6 +187,8 @@ namespace OpenMetaverse
         /// </summary>
         public void StartOutbound()
         {
+            m_log.DebugFormat("[UDPBASE]: Starting outbound UDP loop");
+
             IsRunningOutbound = true;
         }
 
@@ -162,10 +196,8 @@ namespace OpenMetaverse
         {
             if (IsRunningInbound)
             {
-                // wait indefinitely for a writer lock.  Once this is called, the .NET runtime
+                m_log.DebugFormat("[UDPBASE]: Stopping inbound UDP loop");
-                // will deny any more reader locks, in effect blocking all other send/receive
+
-                // threads.  Once we have the lock, we set IsRunningInbound = false to inform the other
-                // threads that the socket is closed.
                 IsRunningInbound = false;
                 m_udpSocket.Close();
             }
@@ -173,6 +205,8 @@ namespace OpenMetaverse
 
         public void StopOutbound()
         {
+            m_log.DebugFormat("[UDPBASE]: Stopping outbound UDP loop");
+
             IsRunningOutbound = false;
         }
 
@@ -271,6 +305,8 @@ namespace OpenMetaverse
             // to AsyncBeginReceive
             if (IsRunningInbound)
             {
+                UdpReceives++;
+
                 // Asynchronous mode will start another receive before the
                 // callback for this packet is even fired. Very parallel :-)
                 if (m_asyncPacketHandling)
@@ -282,6 +318,8 @@ namespace OpenMetaverse
 
                 try
                 {
+                    int startTick = Util.EnvironmentTickCount();
+
                     // get the length of data actually read from the socket, store it with the
                     // buffer
                     buffer.DataLength = m_udpSocket.EndReceiveFrom(iar, ref buffer.RemoteEndPoint);
@@ -289,6 +327,23 @@ namespace OpenMetaverse
                     // call the abstract method PacketReceived(), passing the buffer that
                     // has just been filled from the socket read.
                     PacketReceived(buffer);
+
+                    // If more than one thread can be calling AsyncEndReceive() at once (e.g. if m_asyncPacketHandler)
+                    // then a particular stat may be inaccurate due to a race condition.  We won't worry about this
+                    // since this should be rare and  won't cause a runtime problem.
+                    if (m_currentReceiveTimeSamples >= s_receiveTimeSamples)
+                    {
+                        AverageReceiveTicksForLastSamplePeriod 
+                            = (float)m_receiveTicksInCurrentSamplePeriod / s_receiveTimeSamples;
+
+                        m_receiveTicksInCurrentSamplePeriod = 0;
+                        m_currentReceiveTimeSamples = 0;
+                    }
+                    else
+                    {
+                        m_receiveTicksInCurrentSamplePeriod += Util.EnvironmentTickCountSubtract(startTick);
+                        m_currentReceiveTimeSamples++;
+                    }
                 }
                 catch (SocketException) { }
                 catch (ObjectDisposedException) { }
@@ -302,14 +357,13 @@ namespace OpenMetaverse
                     if (!m_asyncPacketHandling)
                         AsyncBeginReceive();
                 }
-
             }
         }
 
         public void AsyncBeginSend(UDPPacketBuffer buf)
         {
-            if (IsRunningOutbound)
+//            if (IsRunningOutbound)
-            {
+//            {
                 try
                 {
                     m_udpSocket.BeginSendTo(
@@ -323,7 +377,7 @@ namespace OpenMetaverse
                 }
                 catch (SocketException) { }
                 catch (ObjectDisposedException) { }
-            }
+//            }
         }
 
         void AsyncEndSend(IAsyncResult result)
@@ -332,6 +386,8 @@ namespace OpenMetaverse
             {
 //                UDPPacketBuffer buf = (UDPPacketBuffer)result.AsyncState;
                 m_udpSocket.EndSendTo(result);
+
+                UdpSends++;
             }
             catch (SocketException) { }
             catch (ObjectDisposedException) { }

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

@@ -684,6 +684,20 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
                 agentCircuit.CapsPath = CapsUtil.GetRandomCapsObjectPath();
             }
 
+            if (version.Equals("SIMULATION/0.2"))
+                TransferAgent_V2(sp, agentCircuit, reg, finalDestination, endPoint, teleportFlags, oldRegionX, newRegionX, oldRegionY, newRegionY, version, out reason);
+            else
+                TransferAgent_V1(sp, agentCircuit, reg, finalDestination, endPoint, teleportFlags, oldRegionX, newRegionX, oldRegionY, newRegionY, version, out reason);
+
+        }
+
+        private void TransferAgent_V1(ScenePresence sp, AgentCircuitData agentCircuit, GridRegion reg, GridRegion finalDestination,
+            IPEndPoint endPoint, uint teleportFlags, uint oldRegionX, uint newRegionX, uint oldRegionY, uint newRegionY, string version, out string reason)
+        {
+            ulong destinationHandle = finalDestination.RegionHandle;
+            AgentCircuitData currentAgentCircuit = sp.Scene.AuthenticateHandler.GetAgentCircuitData(sp.ControllingClient.CircuitCode);
+
+            m_log.DebugFormat("[ENTITY TRANSFER MODULE]: Using TP V1");
             // Let's create an agent there if one doesn't exist yet. 
             // NOTE: logout will always be false for a non-HG teleport.
             bool logout = false;
@@ -705,7 +719,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
                 m_interRegionTeleportCancels.Value++;
 
                 m_log.DebugFormat(
-                    "[ENTITY TRANSFER MODULE]: Cancelled teleport of {0} to {1} from {2} after CreateAgent on client request", 
+                    "[ENTITY TRANSFER MODULE]: Cancelled teleport of {0} to {1} from {2} after CreateAgent on client request",
                     sp.Name, finalDestination.RegionName, sp.Scene.Name);
 
                 return;
@@ -727,11 +741,12 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
             // OK, it got this agent. Let's close some child agents
             sp.CloseChildAgents(newRegionX, newRegionY);
 
-            IClientIPEndpoint ipepClient;  
+            IClientIPEndpoint ipepClient;
+            string capsPath = String.Empty;
             if (NeedsNewAgent(sp.DrawDistance, oldRegionX, newRegionX, oldRegionY, newRegionY))
             {
                 m_log.DebugFormat(
-                    "[ENTITY TRANSFER MODULE]: Determined that region {0} at {1},{2} needs new child agent for incoming agent {3} from {4}", 
+                    "[ENTITY TRANSFER MODULE]: Determined that region {0} at {1},{2} needs new child agent for incoming agent {3} from {4}",
                     finalDestination.RegionName, newRegionX, newRegionY, sp.Name, Scene.Name);
 
                 //sp.ControllingClient.SendTeleportProgress(teleportFlags, "Creating agent...");
@@ -778,10 +793,9 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
             // Let's send a full update of the agent. This is a synchronous call.
             AgentData agent = new AgentData();
             sp.CopyTo(agent);
-            agent.Position = position;
+            agent.Position = agentCircuit.startpos;
             SetCallbackURL(agent, sp.Scene.RegionInfo);
 
-            //sp.ControllingClient.SendTeleportProgress(teleportFlags, "Updating agent...");
 
             // We will check for an abort before UpdateAgent since UpdateAgent will require an active viewer to 
             // establish th econnection to the destination which makes it return true.
@@ -816,7 +830,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
                 m_log.WarnFormat(
                     "[ENTITY TRANSFER MODULE]: UpdateAgent failed on teleport of {0} to {1} from {2}.  Keeping avatar in source region.",
                     sp.Name, finalDestination.RegionName, sp.Scene.RegionInfo.RegionName);
-                
+
                 Fail(sp, finalDestination, logout, currentAgentCircuit.SessionID.ToString(), "Connection between viewer and destination region could not be established.");
                 return;
             }
@@ -826,7 +840,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
                 m_interRegionTeleportCancels.Value++;
 
                 m_log.DebugFormat(
-                    "[ENTITY TRANSFER MODULE]: Cancelled teleport of {0} to {1} from {2} after UpdateAgent on client request", 
+                    "[ENTITY TRANSFER MODULE]: Cancelled teleport of {0} to {1} from {2} after UpdateAgent on client request",
                     sp.Name, finalDestination.RegionName, sp.Scene.Name);
 
                 CleanupFailedInterRegionTeleport(sp, currentAgentCircuit.SessionID.ToString(), finalDestination);
@@ -843,6 +857,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
             // closes our existing agent which is still signalled as root.
             sp.IsChildAgent = true;
 
+            // OK, send TPFinish to the client, so that it starts the process of contacting the destination region
             if (m_eqModule != null)
             {
                 m_eqModule.TeleportFinishEvent(destinationHandle, 13, endPoint, 0, teleportFlags, capsPath, sp.UUID);
@@ -872,7 +887,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
                 m_log.WarnFormat(
                     "[ENTITY TRANSFER MODULE]: Teleport of {0} to {1} from {2} failed due to no callback from destination region.  Returning avatar to source region.",
                     sp.Name, finalDestination.RegionName, sp.Scene.RegionInfo.RegionName);
-                
+
                 Fail(sp, finalDestination, logout, currentAgentCircuit.SessionID.ToString(), "Destination region did not signal teleport completion.");
 
                 return;
@@ -901,13 +916,13 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
 
             if (NeedsClosing(sp.DrawDistance, oldRegionX, newRegionX, oldRegionY, newRegionY, reg))
             {
-                // We need to delay here because Imprudence viewers, unlike v1 or v3, have a short (<200ms, <500ms) delay before
+                // RED ALERT!!!!
-                // they regard the new region as the current region after receiving the AgentMovementComplete
+                // PLEASE DO NOT DECREASE THIS WAIT TIME UNDER ANY CIRCUMSTANCES.
-                // response.  If close is sent before then, it will cause the viewer to quit instead.
+                // THE VIEWERS SEEM TO NEED SOME TIME AFTER RECEIVING MoveAgentIntoRegion
-                //
+                // BEFORE THEY SETTLE IN THE NEW REGION.
-                // This sleep can be increased if necessary.  However, whilst it's active,
+                // DECREASING THE WAIT TIME HERE WILL EITHER RESULT IN A VIEWER CRASH OR
-                // an agent cannot teleport back to this region if it has teleported away.
+                // IN THE AVIE BEING PLACED IN INFINITY FOR A COUPLE OF SECONDS.
-                Thread.Sleep(2000);
+                Thread.Sleep(5000);
 
                 sp.Scene.IncomingCloseAgent(sp.UUID, false);
             }
@@ -918,6 +933,134 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
             }
         }
 
+        private void TransferAgent_V2(ScenePresence sp, AgentCircuitData agentCircuit, GridRegion reg, GridRegion finalDestination,
+            IPEndPoint endPoint, uint teleportFlags, uint oldRegionX, uint newRegionX, uint oldRegionY, uint newRegionY, string version, out string reason)
+        {
+            ulong destinationHandle = finalDestination.RegionHandle;
+            AgentCircuitData currentAgentCircuit = sp.Scene.AuthenticateHandler.GetAgentCircuitData(sp.ControllingClient.CircuitCode);
+
+            // Let's create an agent there if one doesn't exist yet. 
+            // NOTE: logout will always be false for a non-HG teleport.
+            bool logout = false;
+            if (!CreateAgent(sp, reg, finalDestination, agentCircuit, teleportFlags, out reason, out logout))
+            {
+                m_interRegionTeleportFailures.Value++;
+
+                sp.ControllingClient.SendTeleportFailed(String.Format("Teleport refused: {0}", reason));
+
+                m_log.DebugFormat(
+                    "[ENTITY TRANSFER MODULE]: Teleport of {0} from {1} to {2} was refused because {3}",
+                    sp.Name, sp.Scene.RegionInfo.RegionName, finalDestination.RegionName, reason);
+
+                return;
+            }
+
+            // Past this point we have to attempt clean up if the teleport fails, so update transfer state.
+            m_entityTransferStateMachine.UpdateInTransit(sp.UUID, AgentTransferState.Transferring);
+
+            IClientIPEndpoint ipepClient;
+            string capsPath = String.Empty;
+            if (NeedsNewAgent(sp.DrawDistance, oldRegionX, newRegionX, oldRegionY, newRegionY))
+            {
+                m_log.DebugFormat(
+                    "[ENTITY TRANSFER MODULE]: Determined that region {0} at {1},{2} needs new child agent for agent {3} from {4}",
+                    finalDestination.RegionName, newRegionX, newRegionY, sp.Name, Scene.Name);
+
+                //sp.ControllingClient.SendTeleportProgress(teleportFlags, "Creating agent...");
+                #region IP Translation for NAT
+                // Uses ipepClient above
+                if (sp.ClientView.TryGet(out ipepClient))
+                {
+                    endPoint.Address = NetworkUtil.GetIPFor(ipepClient.EndPoint, endPoint.Address);
+                }
+                #endregion
+                capsPath = finalDestination.ServerURI + CapsUtil.GetCapsSeedPath(agentCircuit.CapsPath);
+            }
+            else
+            {
+                agentCircuit.CapsPath = sp.Scene.CapsModule.GetChildSeed(sp.UUID, reg.RegionHandle);
+                capsPath = finalDestination.ServerURI + CapsUtil.GetCapsSeedPath(agentCircuit.CapsPath);
+            }
+
+            // We need to set this here to avoid an unlikely race condition when teleporting to a neighbour simulator,
+            // where that neighbour simulator could otherwise request a child agent create on the source which then 
+            // closes our existing agent which is still signalled as root.
+            //sp.IsChildAgent = true;
+
+            // New protocol: send TP Finish directly, without prior ES or EAC. That's what happens in the Linden grid
+            if (m_eqModule != null)
+                m_eqModule.TeleportFinishEvent(destinationHandle, 13, endPoint, 0, teleportFlags, capsPath, sp.UUID);
+            else
+                sp.ControllingClient.SendRegionTeleport(destinationHandle, 13, endPoint, 4,
+                                                            teleportFlags, capsPath);
+
+            m_log.DebugFormat(
+                "[ENTITY TRANSFER MODULE]: Sending new CAPS seed url {0} from {1} to {2}",
+                capsPath, sp.Scene.RegionInfo.RegionName, sp.Name);
+
+            // Let's send a full update of the agent. 
+            AgentData agent = new AgentData();
+            sp.CopyTo(agent);
+            agent.Position = agentCircuit.startpos;
+            agent.SenderWantsToWaitForRoot = true;
+            //SetCallbackURL(agent, sp.Scene.RegionInfo);
+
+            // Send the Update. If this returns true, we know the client has contacted the destination
+            // via CompleteMovementIntoRegion, so we can let go.
+            // If it returns false, something went wrong, and we need to abort.
+            if (!UpdateAgent(reg, finalDestination, agent, sp))
+            {
+                if (m_entityTransferStateMachine.GetAgentTransferState(sp.UUID) == AgentTransferState.Aborting)
+                {
+                    m_interRegionTeleportAborts.Value++;
+
+                    m_log.DebugFormat(
+                        "[ENTITY TRANSFER MODULE]: Aborted teleport of {0} to {1} from {2} after UpdateAgent due to previous client close.",
+                        sp.Name, finalDestination.RegionName, sp.Scene.Name);
+
+                    return;
+                }
+
+                m_log.WarnFormat(
+                    "[ENTITY TRANSFER MODULE]: UpdateAgent failed on teleport of {0} to {1} from {2}.  Keeping avatar in source region.",
+                    sp.Name, finalDestination.RegionName, sp.Scene.RegionInfo.RegionName);
+
+                Fail(sp, finalDestination, logout, currentAgentCircuit.SessionID.ToString(), "Connection between viewer and destination region could not be established.");
+                return;
+            }
+            
+            m_entityTransferStateMachine.UpdateInTransit(sp.UUID, AgentTransferState.CleaningUp);
+
+            // May need to logout or other cleanup
+            AgentHasMovedAway(sp, logout);
+
+            // Well, this is it. The agent is over there.
+            KillEntity(sp.Scene, sp.LocalId);
+
+            // Now let's make it officially a child agent
+            sp.MakeChildAgent();
+
+            // OK, it got this agent. Let's close some child agents
+            sp.CloseChildAgents(newRegionX, newRegionY);
+
+            // Finally, let's close this previously-known-as-root agent, when the jump is outside the view zone
+
+            if (NeedsClosing(sp.DrawDistance, oldRegionX, newRegionX, oldRegionY, newRegionY, reg))
+            {
+                // RED ALERT!!!!
+                // PLEASE DO NOT DECREASE THIS WAIT TIME UNDER ANY CIRCUMSTANCES.
+                // THE VIEWERS SEEM TO NEED SOME TIME AFTER RECEIVING MoveAgentIntoRegion
+                // BEFORE THEY SETTLE IN THE NEW REGION.
+                // DECREASING THE WAIT TIME HERE WILL EITHER RESULT IN A VIEWER CRASH OR
+                // IN THE AVIE BEING PLACED IN INFINITY FOR A COUPLE OF SECONDS.
+                Thread.Sleep(5000);
+                sp.Scene.IncomingCloseAgent(sp.UUID, false);
+            }
+            else
+                // now we have a child agent in this region. 
+                sp.Reset();
+        }
+
         /// <summary>
         /// Clean up an inter-region teleport that did not complete, either because of simulator failure or cancellation.
         /// </summary>
@@ -931,11 +1074,13 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
         {
             m_entityTransferStateMachine.UpdateInTransit(sp.UUID, AgentTransferState.CleaningUp);
 
-            sp.IsChildAgent = false;
+            if (sp.IsChildAgent) // We had set it to child before attempted TP (V1)
-            ReInstantiateScripts(sp);
+            {
-
+                sp.IsChildAgent = false;
-            EnableChildAgents(sp);
+                ReInstantiateScripts(sp);
 
+                EnableChildAgents(sp);
+            }
             // Finally, kill the agent we just created at the destination.
             // XXX: Possibly this should be done asynchronously.
             Scene.SimulationService.CloseAgent(finalDestination, sp.UUID, auth_token);

OpenSim/Region/CoreModules/Framework/InventoryAccess/HGInventoryAccessModule.cs

@@ -185,8 +185,11 @@ namespace OpenSim.Region.CoreModules.Framework.InventoryAccess
             }
         }
 
-        public void UploadInventoryItem(UUID avatarID, UUID assetID, string name, int userlevel)
+        public void UploadInventoryItem(UUID avatarID, AssetType type, UUID assetID, string name, int userlevel)
         {
+            if (type == AssetType.Link)
+                return;
+
             string userAssetServer = string.Empty;
             if (IsForeignUser(avatarID, out userAssetServer) && userAssetServer != string.Empty && m_OutboundPermission)
             {
@@ -221,7 +224,7 @@ namespace OpenSim.Region.CoreModules.Framework.InventoryAccess
         {
             UUID newAssetID = base.CapsUpdateInventoryItemAsset(remoteClient, itemID, data);
 
-            UploadInventoryItem(remoteClient.AgentId, newAssetID, "", 0);
+            UploadInventoryItem(remoteClient.AgentId, AssetType.Unknown, newAssetID, "", 0);
 
             return newAssetID;
         }
@@ -232,7 +235,7 @@ namespace OpenSim.Region.CoreModules.Framework.InventoryAccess
         protected override void ExportAsset(UUID agentID, UUID assetID)
         {
             if (!assetID.Equals(UUID.Zero))
-                UploadInventoryItem(agentID, assetID, "", 0);
+                UploadInventoryItem(agentID, AssetType.Unknown, assetID, "", 0);
             else
                 m_log.Debug("[HGScene]: Scene.Inventory did not create asset");
         }
@@ -348,7 +351,15 @@ namespace OpenSim.Region.CoreModules.Framework.InventoryAccess
                     InventoryFolderBase root = m_Scene.InventoryService.GetRootFolder(client.AgentId);
                     InventoryCollection content = m_Scene.InventoryService.GetFolderContent(client.AgentId, root.ID);
 
-                    inv.SendBulkUpdateInventory(content.Folders.ToArray(), content.Items.ToArray());
+                    List<InventoryFolderBase> keep = new List<InventoryFolderBase>();
+
+                    foreach (InventoryFolderBase f in content.Folders)
+                    {
+                        if (f.Name != "My Suitcase" && f.Name != "Current Outfit")
+                            keep.Add(f);
+                    }
+
+                    inv.SendBulkUpdateInventory(keep.ToArray(), content.Items.ToArray());
                 }
             }
         }
@@ -381,7 +392,7 @@ namespace OpenSim.Region.CoreModules.Framework.InventoryAccess
 
                         foreach (InventoryFolderBase f in content.Folders)
                         {
-                            if (f.Name != "My Suitcase")
+                            if (f.Name != "My Suitcase" && f.Name != "Current Outfit")
                             {
                                 f.Name = f.Name + " (Unavailable)";
                                 keep.Add(f);

OpenSim/Region/CoreModules/ServiceConnectorsOut/Inventory/HGInventoryBroker.cs

@@ -244,8 +244,12 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Inventory
                             if (inventoryURL != null && inventoryURL != string.Empty)
                             {
                                 inventoryURL = inventoryURL.Trim(new char[] { '/' });
-                                m_InventoryURLs.Add(userID, inventoryURL);
+                                lock (m_InventoryURLs)
-                                m_log.DebugFormat("[HG INVENTORY CONNECTOR]: Added {0} to the cache of inventory URLs", inventoryURL);
+                                    if (!m_InventoryURLs.ContainsKey(userID))
+                                    {
+                                        m_InventoryURLs.Add(userID, inventoryURL);
+                                        m_log.DebugFormat("[HG INVENTORY CONNECTOR]: Added {0} to the cache of inventory URLs", inventoryURL);
+                                    }
                                 return;
                             }
                         }

OpenSim/Region/CoreModules/ServiceConnectorsOut/Presence/PresenceDetector.cs

@@ -79,7 +79,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Presence
 
         public void OnConnectionClose(IClientAPI client)
         {
-            if (!client.SceneAgent.IsChildAgent)
+            if (client != null && client.SceneAgent != null && !client.SceneAgent.IsChildAgent)
             {
 //                m_log.DebugFormat("[PRESENCE DETECTOR]: Detected client logout {0} in {1}", client.AgentId, client.Scene.RegionInfo.RegionName);
                 m_PresenceService.LogoutAgent(client.SessionId);

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

@@ -48,7 +48,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation
         /// <summary>
         /// Version of this service
         /// </summary>
-        private const string m_Version = "SIMULATION/0.1";
+        private const string m_Version = "SIMULATION/0.2";
 
         /// <summary>
         /// Map region ID to scene.

OpenSim/Region/Framework/Scenes/EventManager.cs

@@ -742,7 +742,7 @@ namespace OpenSim.Region.Framework.Scenes
         public event OnIncomingSceneObjectDelegate OnIncomingSceneObject;
         public delegate void OnIncomingSceneObjectDelegate(SceneObjectGroup so);
 
-        public delegate void NewInventoryItemUploadComplete(UUID avatarID, UUID assetID, string name, int userlevel);
+        public delegate void NewInventoryItemUploadComplete(UUID avatarID, AssetType type, UUID assetID, string name, int userlevel);
 
         public event NewInventoryItemUploadComplete OnNewInventoryItemUploadComplete;
 
@@ -2146,7 +2146,7 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
-        public void TriggerOnNewInventoryItemUploadComplete(UUID agentID, UUID AssetID, String AssetName, int userlevel)
+        public void TriggerOnNewInventoryItemUploadComplete(UUID agentID, AssetType type, UUID AssetID, String AssetName, int userlevel)
         {
             NewInventoryItemUploadComplete handlerNewInventoryItemUpdateComplete = OnNewInventoryItemUploadComplete;
             if (handlerNewInventoryItemUpdateComplete != null)
@@ -2155,7 +2155,7 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     try
                     {
-                        d(agentID, AssetID, AssetName, userlevel);
+                        d(agentID, type, AssetID, AssetName, userlevel);
                     }
                     catch (Exception e)
                     {

OpenSim/Region/Framework/Scenes/Scene.Inventory.cs

@@ -139,7 +139,7 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     userlevel = 1;
                 }
-                EventManager.TriggerOnNewInventoryItemUploadComplete(item.Owner, item.AssetID, item.Name, userlevel);
+                EventManager.TriggerOnNewInventoryItemUploadComplete(item.Owner, (AssetType)item.AssetType, item.AssetID, item.Name, userlevel);
 
                 return true;
             }
@@ -178,7 +178,7 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     userlevel = 1;
                 }
-                EventManager.TriggerOnNewInventoryItemUploadComplete(item.Owner, item.AssetID, item.Name, userlevel);
+                EventManager.TriggerOnNewInventoryItemUploadComplete(item.Owner, (AssetType)item.AssetType, item.AssetID, item.Name, userlevel);
 
                 if (originalFolder != UUID.Zero)
                 {

OpenSim/Region/Framework/Scenes/Scene.PacketHandlers.cs

@@ -390,6 +390,7 @@ namespace OpenSim.Region.Framework.Scenes
         void ProcessViewerEffect(IClientAPI remoteClient, List<ViewerEffectEventHandlerArg> args)
         {
             // TODO: don't create new blocks if recycling an old packet
+            bool discardableEffects = true;
             ViewerEffectPacket.EffectBlock[] effectBlockArray = new ViewerEffectPacket.EffectBlock[args.Count];
             for (int i = 0; i < args.Count; i++)
             {
@@ -401,17 +402,34 @@ namespace OpenSim.Region.Framework.Scenes
                 effect.Type = args[i].Type;
                 effect.TypeData = args[i].TypeData;
                 effectBlockArray[i] = effect;
+
+                if ((EffectType)effect.Type != EffectType.LookAt && (EffectType)effect.Type != EffectType.Beam)
+                    discardableEffects = false;
+
+                //m_log.DebugFormat("[YYY]: VE {0} {1} {2}", effect.AgentID, effect.Duration, (EffectType)effect.Type);
             }
 
-            ForEachClient(
+            ForEachScenePresence(sp =>
-                delegate(IClientAPI client)
                 {
-                    if (client.AgentId != remoteClient.AgentId)
+                    if (sp.ControllingClient.AgentId != remoteClient.AgentId)
-                        client.SendViewerEffect(effectBlockArray);
+                    {
-                }
+                        if (!discardableEffects ||
-            );
+                            (discardableEffects && ShouldSendDiscardableEffect(remoteClient, sp)))
+                        {
+                            //m_log.DebugFormat("[YYY]: Sending to {0}", sp.UUID);
+                            sp.ControllingClient.SendViewerEffect(effectBlockArray);
+                        }
+                        //else
+                        //    m_log.DebugFormat("[YYY]: Not sending to {0}", sp.UUID);
+                    }
+                });
         }
-        
+
+        private bool ShouldSendDiscardableEffect(IClientAPI thisClient, ScenePresence other)
+        {
+            return Vector3.Distance(other.CameraPosition, thisClient.SceneAgent.AbsolutePosition) < 10;
+        }
+
         /// <summary>
         /// Tell the client about the various child items and folders contained in the requested folder.
         /// </summary>

OpenSim/Region/Framework/Scenes/Scene.cs

@@ -230,6 +230,8 @@ namespace OpenSim.Region.Framework.Scenes
 
         public int MaxUndoCount { get; set; }
 
+        public bool SeeIntoRegion { get; set; }
+
         // Using this for RegionReady module to prevent LoginsDisabled from changing under our feet;
         public bool LoginLock = false;
 
@@ -839,6 +841,8 @@ namespace OpenSim.Region.Framework.Scenes
                 //Animation states
                 m_useFlySlow = startupConfig.GetBoolean("enableflyslow", false);
 
+                SeeIntoRegion = startupConfig.GetBoolean("see_into_region", true);
+
                 MaxUndoCount = startupConfig.GetInt("MaxPrimUndos", 20);
 
                 PhysicalPrims = startupConfig.GetBoolean("physical_prim", PhysicalPrims);
@@ -3735,7 +3739,7 @@ namespace OpenSim.Region.Framework.Scenes
     
                     try
                     {
-                        if (!AuthorizeUser(agent, out reason))
+                        if (!AuthorizeUser(agent, SeeIntoRegion, out reason))
                         {
                             m_authenticateHandler.RemoveCircuit(agent.circuitcode);
                             return false;
@@ -3975,7 +3979,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="reason">outputs the reason to this string</param>
         /// <returns>True if the region accepts this agent.  False if it does not.  False will 
         /// also return a reason.</returns>
-        protected virtual bool AuthorizeUser(AgentCircuitData agent, out string reason)
+        protected virtual bool AuthorizeUser(AgentCircuitData agent, bool bypassAccessControl, out string reason)
         {
             reason = String.Empty;
 
@@ -4010,52 +4014,59 @@ namespace OpenSim.Region.Framework.Scenes
                 m_log.ErrorFormat("[CONNECTION BEGIN]: Estate Settings is null!");
             }
 
-            List<UUID> agentGroups = new List<UUID>();
+            // We only test the things below when we want to cut off
-
+            // child agents from being present in the scene for which their root
-            if (m_groupsModule != null)
+            // agent isn't allowed. Otherwise, we allow child agents. The test for
+            // the root is done elsewhere (QueryAccess)
+            if (!bypassAccessControl)
             {
-                GroupMembershipData[] GroupMembership = m_groupsModule.GetMembershipData(agent.AgentID);
+                List<UUID> agentGroups = new List<UUID>();
 
-                if (GroupMembership != null)
+                if (m_groupsModule != null)
                 {
-                    for (int i = 0; i < GroupMembership.Length; i++)
+                    GroupMembershipData[] GroupMembership = m_groupsModule.GetMembershipData(agent.AgentID);
-                        agentGroups.Add(GroupMembership[i].GroupID);
+
+                    if (GroupMembership != null)
+                    {
+                        for (int i = 0; i < GroupMembership.Length; i++)
+                            agentGroups.Add(GroupMembership[i].GroupID);
+                    }
+                    else
+                    {
+                        m_log.ErrorFormat("[CONNECTION BEGIN]: GroupMembership is null!");
+                    }
+                }
+
+                bool groupAccess = false;
+                UUID[] estateGroups = RegionInfo.EstateSettings.EstateGroups;
+
+                if (estateGroups != null)
+                {
+                    foreach (UUID group in estateGroups)
+                    {
+                        if (agentGroups.Contains(group))
+                        {
+                            groupAccess = true;
+                            break;
+                        }
+                    }
                 }
                 else
                 {
-                    m_log.ErrorFormat("[CONNECTION BEGIN]: GroupMembership is null!");
+                    m_log.ErrorFormat("[CONNECTION BEGIN]: EstateGroups is null!");
                 }
-            }
 
-            bool groupAccess = false;
+                if (!RegionInfo.EstateSettings.PublicAccess &&
-            UUID[] estateGroups = RegionInfo.EstateSettings.EstateGroups;
+                    !RegionInfo.EstateSettings.HasAccess(agent.AgentID) &&
-
+                    !groupAccess)
-            if (estateGroups != null)
-            {
-                foreach (UUID group in estateGroups)
                 {
-                    if (agentGroups.Contains(group))
+                    m_log.WarnFormat("[CONNECTION BEGIN]: Denied access to: {0} ({1} {2}) at {3} because the user does not have access to the estate",
-                    {
+                                     agent.AgentID, agent.firstname, agent.lastname, RegionInfo.RegionName);
-                        groupAccess = true;
+                    reason = String.Format("Denied access to private region {0}: You are not on the access list for that region.",
-                        break;
+                                           RegionInfo.RegionName);
-                    }
+                    return false;
                 }
             }
-            else
-            {
-                m_log.ErrorFormat("[CONNECTION BEGIN]: EstateGroups is null!");
-            }
-
-            if (!RegionInfo.EstateSettings.PublicAccess &&
-                !RegionInfo.EstateSettings.HasAccess(agent.AgentID) &&
-                !groupAccess)
-            {
-                m_log.WarnFormat("[CONNECTION BEGIN]: Denied access to: {0} ({1} {2}) at {3} because the user does not have access to the estate",
-                                 agent.AgentID, agent.firstname, agent.lastname, RegionInfo.RegionName);
-                reason = String.Format("Denied access to private region {0}: You are not on the access list for that region.",
-                                       RegionInfo.RegionName);
-                return false;
-            }
 
             // TODO: estate/region settings are not properly hooked up
             // to ILandObject.isRestrictedFromLand()
@@ -4203,13 +4214,23 @@ namespace OpenSim.Region.Framework.Scenes
             if (childAgentUpdate != null)
             {
                 if (cAgentData.SessionID != childAgentUpdate.ControllingClient.SessionId)
-                {
                     m_log.WarnFormat("[SCENE]: Attempt to update agent {0} with invalid session id {1} (possibly from simulator in older version; tell them to update).", childAgentUpdate.UUID, cAgentData.SessionID);
-                    Console.WriteLine(String.Format("[SCENE]: Attempt to update agent {0} ({1}) with invalid session id {2}", 
-                        childAgentUpdate.UUID, childAgentUpdate.ControllingClient.SessionId, cAgentData.SessionID));
-                }
 
                 childAgentUpdate.ChildAgentDataUpdate(cAgentData);
+
+                int ntimes = 20;
+                if (cAgentData.SenderWantsToWaitForRoot)
+                {
+                    while (childAgentUpdate.IsChildAgent && ntimes-- > 0)
+                        Thread.Sleep(1000);
+
+                    m_log.DebugFormat(
+                        "[SCENE]: Found presence {0} {1} {2} in {3} after {4} waits",
+                        childAgentUpdate.Name, childAgentUpdate.UUID, childAgentUpdate.IsChildAgent ? "child" : "root", RegionInfo.RegionName, 20 - ntimes);
+
+                    if (childAgentUpdate.IsChildAgent)
+                        return false;
+                }
                 return true;
             }
             return false;
@@ -4258,7 +4279,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name='agentID'></param>
         protected virtual ScenePresence WaitGetScenePresence(UUID agentID)
         {
-            int ntimes = 10;
+            int ntimes = 20;
             ScenePresence sp = null;
             while ((sp = GetScenePresence(agentID)) == null && (ntimes-- > 0))
                 Thread.Sleep(1000);
@@ -4267,10 +4288,6 @@ namespace OpenSim.Region.Framework.Scenes
                 m_log.WarnFormat(
                     "[SCENE PRESENCE]: Did not find presence with id {0} in {1} before timeout",
                     agentID, RegionInfo.RegionName);
-//            else
-//                m_log.DebugFormat(
-//                    "[SCENE PRESENCE]: Found presence {0} {1} {2} in {3} after {4} waits",
-//                    sp.Name, sp.UUID, sp.IsChildAgent ? "child" : "root", RegionInfo.RegionName, 10 - ntimes);
 
             return sp;
         }
@@ -5577,7 +5594,7 @@ namespace OpenSim.Region.Framework.Scenes
 
             try
             {
-                if (!AuthorizeUser(aCircuit, out reason))
+                if (!AuthorizeUser(aCircuit, false, out reason))
                 {
                     // m_log.DebugFormat("[SCENE]: Denying access for {0}", agentID);
                     return false;

OpenSim/Region/Framework/Scenes/ScenePresence.cs

@@ -29,7 +29,9 @@ using System;
 using System.Xml;
 using System.Collections.Generic;
 using System.Reflection;
+using System.Threading;
 using System.Timers;
+using Timer = System.Timers.Timer;
 using OpenMetaverse;
 using log4net;
 using Nini.Config;
@@ -801,6 +803,7 @@ namespace OpenSim.Region.Framework.Scenes
         {
             ControllingClient.OnCompleteMovementToRegion += CompleteMovement;
             ControllingClient.OnAgentUpdate += HandleAgentUpdate;
+            ControllingClient.OnAgentCameraUpdate += HandleAgentCamerasUpdate;
             ControllingClient.OnAgentRequestSit += HandleAgentRequestSit;
             ControllingClient.OnAgentSit += HandleAgentSit;
             ControllingClient.OnSetAlwaysRun += HandleSetAlwaysRun;
@@ -1010,9 +1013,8 @@ namespace OpenSim.Region.Framework.Scenes
             // recorded, which stops the input from being processed.
             MovementFlag = 0;
 
-            // DIVA NOTE: I moved TriggerOnMakeRootAgent out of here and into the end of
+            m_scene.EventManager.TriggerOnMakeRootAgent(this);
-            // CompleteMovement. We don't want modules doing heavy computation before CompleteMovement
+
-            // is over.
         }
 
         public int GetStateSource()
@@ -1124,7 +1126,26 @@ namespace OpenSim.Region.Framework.Scenes
 
         public void StopFlying()
         {
-            ControllingClient.StopFlying(this);
+            Vector3 pos = AbsolutePosition; 
+            if (Appearance.AvatarHeight != 127.0f)
+                pos += new Vector3(0f, 0f, (Appearance.AvatarHeight / 6f));
+            else
+                pos += new Vector3(0f, 0f, (1.56f / 6f));
+
+            AbsolutePosition = pos;
+
+            // attach a suitable collision plane regardless of the actual situation to force the LLClient to land.
+            // Collision plane below the avatar's position a 6th of the avatar's height is suitable.
+            // Mind you, that this method doesn't get called if the avatar's velocity magnitude is greater then a
+            // certain amount..   because the LLClient wouldn't land in that situation anyway.
+
+            // why are we still testing for this really old height value default???
+            if (Appearance.AvatarHeight != 127.0f)
+                CollisionPlane = new Vector4(0, 0, 0, pos.Z - Appearance.AvatarHeight / 6f);
+            else
+                CollisionPlane = new Vector4(0, 0, 0, pos.Z - (1.56f / 6f));
+
+            ControllingClient.SendAgentTerseUpdate(this);
         }
 
         /// <summary>
@@ -1291,6 +1312,26 @@ namespace OpenSim.Region.Framework.Scenes
                 PhysicsActor.Size = new Vector3(0.45f, 0.6f, height);
         }
 
+        private bool WaitForUpdateAgent(IClientAPI client)
+        {
+            // Before UpdateAgent, m_originRegionID is UUID.Zero; after, it's non-Zero
+            int count = 20;
+            while (m_originRegionID.Equals(UUID.Zero) && count-- > 0)
+            {
+                m_log.DebugFormat("[SCENE PRESENCE]: Agent {0} waiting for update in {1}", client.Name, Scene.RegionInfo.RegionName);
+                Thread.Sleep(200);
+            }
+
+            if (m_originRegionID.Equals(UUID.Zero))
+            {
+                // Movement into region will fail
+                m_log.WarnFormat("[SCENE PRESENCE]: Update agent {0} never arrived", client.Name);
+                return false;
+            }
+
+            return true;
+        }
+
         /// <summary>
         /// Complete Avatar's movement into the region.
         /// </summary>
@@ -1308,6 +1349,13 @@ namespace OpenSim.Region.Framework.Scenes
                 "[SCENE PRESENCE]: Completing movement of {0} into region {1} in position {2}",
                 client.Name, Scene.RegionInfo.RegionName, AbsolutePosition);
 
+            // Make sure it's not a login agent. We don't want to wait for updates during login
+            if ((m_teleportFlags & TeleportFlags.ViaLogin) == 0)
+                // Let's wait until UpdateAgent (called by departing region) is done
+                if (!WaitForUpdateAgent(client))
+                    // The sending region never sent the UpdateAgent data, we have to refuse
+                    return;
+
             Vector3 look = Velocity;
 
             if ((look.X == 0) && (look.Y == 0) && (look.Z == 0))
@@ -1328,10 +1376,11 @@ namespace OpenSim.Region.Framework.Scenes
 
             bool flying = ((m_AgentControlFlags & AgentManager.ControlFlags.AGENT_CONTROL_FLY) != 0);
             MakeRootAgent(AbsolutePosition, flying);
+
+            // Tell the client that we're totally ready
             ControllingClient.MoveAgentIntoRegion(m_scene.RegionInfo, AbsolutePosition, look);
+
             // Remember in HandleUseCircuitCode, we delayed this to here
-            // This will also send the initial data to clients when TP to a neighboring region. 
-            // Not ideal, but until we know we're TP-ing from a neighboring region, there's not much we can do
             if (m_teleportFlags > 0)
                 SendInitialDataToMe();
 
@@ -1387,10 +1436,6 @@ namespace OpenSim.Region.Framework.Scenes
 //                "[SCENE PRESENCE]: Completing movement of {0} into region {1} took {2}ms", 
 //                client.Name, Scene.RegionInfo.RegionName, (DateTime.Now - startTime).Milliseconds);
 
-            // DIVA NOTE: moved this here from MakeRoot. We don't want modules making heavy
-            // computations before CompleteMovement is over
-            m_scene.EventManager.TriggerOnMakeRootAgent(this);
-
         }
 
         /// <summary>
@@ -1438,9 +1483,9 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         public void HandleAgentUpdate(IClientAPI remoteClient, AgentUpdateArgs agentData)
         {
-//            m_log.DebugFormat(
+            //m_log.DebugFormat(
-//                "[SCENE PRESENCE]: In {0} received agent update from {1}, flags {2}",
+            //    "[SCENE PRESENCE]: In {0} received agent update from {1}, flags {2}",
-//                Scene.RegionInfo.RegionName, remoteClient.Name, (AgentManager.ControlFlags)agentData.ControlFlags);
+            //    Scene.RegionInfo.RegionName, remoteClient.Name, (AgentManager.ControlFlags)agentData.ControlFlags);
 
             if (IsChildAgent)
             {
@@ -1448,10 +1493,6 @@ namespace OpenSim.Region.Framework.Scenes
                 return;
             }
 
-            ++m_movementUpdateCount;
-            if (m_movementUpdateCount < 1)
-                m_movementUpdateCount = 1;
-
             #region Sanity Checking
 
             // This is irritating.  Really.
@@ -1482,21 +1523,6 @@ namespace OpenSim.Region.Framework.Scenes
 
             AgentManager.ControlFlags flags = (AgentManager.ControlFlags)agentData.ControlFlags;
 
-            // Camera location in world.  We'll need to raytrace
-            // from this location from time to time.
-            CameraPosition = agentData.CameraCenter;
-            if (Vector3.Distance(m_lastCameraPosition, CameraPosition) >= Scene.RootReprioritizationDistance)
-            {
-                ReprioritizeUpdates();
-                m_lastCameraPosition = CameraPosition;
-            }
-
-            // Use these three vectors to figure out what the agent is looking at
-            // Convert it to a Matrix and/or Quaternion
-            CameraAtAxis = agentData.CameraAtAxis;
-            CameraLeftAxis = agentData.CameraLeftAxis;
-            CameraUpAxis = agentData.CameraUpAxis;
-
             // The Agent's Draw distance setting
             // When we get to the point of re-computing neighbors everytime this
             // changes, then start using the agent's drawdistance rather than the 
@@ -1504,12 +1530,6 @@ namespace OpenSim.Region.Framework.Scenes
             // DrawDistance = agentData.Far;
             DrawDistance = Scene.DefaultDrawDistance;
 
-            // Check if Client has camera in 'follow cam' or 'build' mode.
-            Vector3 camdif = (Vector3.One * Rotation - Vector3.One * CameraRotation);
-
-            m_followCamAuto = ((CameraUpAxis.Z > 0.959f && CameraUpAxis.Z < 0.98f)
-               && (Math.Abs(camdif.X) < 0.4f && Math.Abs(camdif.Y) < 0.4f)) ? true : false;
-
             m_mouseLook = (flags & AgentManager.ControlFlags.AGENT_CONTROL_MOUSELOOK) != 0;
             m_leftButtonDown = (flags & AgentManager.ControlFlags.AGENT_CONTROL_LBUTTON_DOWN) != 0;
 
@@ -1529,17 +1549,6 @@ namespace OpenSim.Region.Framework.Scenes
                 StandUp();
             }
 
-            //m_log.DebugFormat("[FollowCam]: {0}", m_followCamAuto);
-            // Raycast from the avatar's head to the camera to see if there's anything blocking the view
-            if ((m_movementUpdateCount % NumMovementsBetweenRayCast) == 0 && m_scene.PhysicsScene.SupportsRayCast())
-            {
-                if (m_followCamAuto)
-                {
-                    Vector3 posAdjusted = m_pos + HEAD_ADJUSTMENT;
-                    m_scene.PhysicsScene.RaycastWorld(m_pos, Vector3.Normalize(CameraPosition - posAdjusted), Vector3.Distance(CameraPosition, posAdjusted) + 0.3f, RayCastCameraCallback);
-                }
-            }
-
             uint flagsForScripts = (uint)flags;
             flags = RemoveIgnoredControls(flags, IgnoredControls);
 
@@ -1763,10 +1772,79 @@ namespace OpenSim.Region.Framework.Scenes
                 SendControlsToScripts(flagsForScripts);
             }
 
+            // We need to send this back to the client in order to see the edit beams
+            if ((State & (uint)AgentState.Editing) != 0)
+                ControllingClient.SendAgentTerseUpdate(this);
+
             m_scene.EventManager.TriggerOnClientMovement(this);
-            TriggerScenePresenceUpdated();
         }
 
+
+        /// <summary>
+        /// This is the event handler for client cameras. If a client is moving, or moving the camera, this event is triggering.
+        /// </summary>
+        private void HandleAgentCamerasUpdate(IClientAPI remoteClient, AgentUpdateArgs agentData)
+        {
+            //m_log.DebugFormat(
+            //    "[SCENE PRESENCE]: In {0} received agent camera update from {1}, flags {2}",
+            //    Scene.RegionInfo.RegionName, remoteClient.Name, (AgentManager.ControlFlags)agentData.ControlFlags);
+
+            if (IsChildAgent)
+            {
+                //    // m_log.Debug("DEBUG: HandleAgentUpdate: child agent");
+                return;
+            }
+
+            ++m_movementUpdateCount;
+            if (m_movementUpdateCount < 1)
+                m_movementUpdateCount = 1;
+
+
+            AgentManager.ControlFlags flags = (AgentManager.ControlFlags)agentData.ControlFlags;
+
+            // Camera location in world.  We'll need to raytrace
+            // from this location from time to time.
+            CameraPosition = agentData.CameraCenter;
+            if (Vector3.Distance(m_lastCameraPosition, CameraPosition) >= Scene.RootReprioritizationDistance)
+            {
+                ReprioritizeUpdates();
+                m_lastCameraPosition = CameraPosition;
+            }
+
+            // Use these three vectors to figure out what the agent is looking at
+            // Convert it to a Matrix and/or Quaternion
+            CameraAtAxis = agentData.CameraAtAxis;
+            CameraLeftAxis = agentData.CameraLeftAxis;
+            CameraUpAxis = agentData.CameraUpAxis;
+
+            // The Agent's Draw distance setting
+            // When we get to the point of re-computing neighbors everytime this
+            // changes, then start using the agent's drawdistance rather than the 
+            // region's draw distance.
+            // DrawDistance = agentData.Far;
+            DrawDistance = Scene.DefaultDrawDistance;
+
+            // Check if Client has camera in 'follow cam' or 'build' mode.
+            Vector3 camdif = (Vector3.One * Rotation - Vector3.One * CameraRotation);
+
+            m_followCamAuto = ((CameraUpAxis.Z > 0.959f && CameraUpAxis.Z < 0.98f)
+               && (Math.Abs(camdif.X) < 0.4f && Math.Abs(camdif.Y) < 0.4f)) ? true : false;
+
+
+            //m_log.DebugFormat("[FollowCam]: {0}", m_followCamAuto);
+            // Raycast from the avatar's head to the camera to see if there's anything blocking the view
+            if ((m_movementUpdateCount % NumMovementsBetweenRayCast) == 0 && m_scene.PhysicsScene.SupportsRayCast())
+            {
+                if (m_followCamAuto)
+                {
+                    Vector3 posAdjusted = m_pos + HEAD_ADJUSTMENT;
+                    m_scene.PhysicsScene.RaycastWorld(m_pos, Vector3.Normalize(CameraPosition - posAdjusted), Vector3.Distance(CameraPosition, posAdjusted) + 0.3f, RayCastCameraCallback);
+                }
+            }
+
+            TriggerScenePresenceUpdated();
+        }
+        
         /// <summary>
         /// Calculate an update to move the presence to the set target.
         /// </summary>

OpenSim/Region/OptionalModules/Agent/InternetRelayClientView/Server/IRCClientView.cs

@@ -687,6 +687,7 @@ namespace OpenSim.Region.OptionalModules.Agent.InternetRelayClientView.Server
         public event Action<IClientAPI, bool> OnCompleteMovementToRegion;
         public event UpdateAgent OnPreAgentUpdate;
         public event UpdateAgent OnAgentUpdate;
+        public event UpdateAgent OnAgentCameraUpdate;
         public event AgentRequestSit OnAgentRequestSit;
         public event AgentSit OnAgentSit;
         public event AvatarPickerRequest OnAvatarPickerRequest;
@@ -1672,7 +1673,7 @@ namespace OpenSim.Region.OptionalModules.Agent.InternetRelayClientView.Server
         {
         }
 
-        public void StopFlying(ISceneEntity presence)
+        public void SendAgentTerseUpdate(ISceneEntity presence)
         {
         }
         

OpenSim/Region/OptionalModules/Agent/UDP/Linden/LindenUDPInfoModule.cs

@@ -611,7 +611,7 @@ namespace OpenSim.Region.OptionalModules.UDP.Linden
             //
             if (showParams.Length <= 4)
             {
-                m_log.InfoFormat("[INFO]: {0,-12} {1,20} {2,6} {3,11} {4, 10}", "Region", "Name", "Root", "Time", "Reqs/min");
+                m_log.InfoFormat("[INFO]: {0,-12} {1,-20} {2,-6} {3,-11} {4,-11} {5,-16}", "Region", "Name", "Root", "Time", "Reqs/min", "AgentUpdates");
                 foreach (Scene scene in m_scenes.Values)
                 {
                     scene.ForEachClient(
@@ -624,9 +624,15 @@ namespace OpenSim.Region.OptionalModules.UDP.Linden
                                 int avg_reqs = cinfo.AsyncRequests.Values.Sum() + cinfo.GenericRequests.Values.Sum() + cinfo.SyncRequests.Values.Sum();
                                 avg_reqs = avg_reqs / ((DateTime.Now - cinfo.StartedTime).Minutes + 1);
 
-                                m_log.InfoFormat("[INFO]: {0,-12} {1,20} {2,4} {3,9}min {4,10}", 
+                                m_log.InfoFormat("[INFO]: {0,-12} {1,-20} {2,-6} {3,-11} {4,-11} {5,-16}", 
                                     scene.RegionInfo.RegionName, llClient.Name,
-                                    (llClient.SceneAgent.IsChildAgent ? "N" : "Y"), (DateTime.Now - cinfo.StartedTime).Minutes, avg_reqs);
+                                         llClient.SceneAgent.IsChildAgent ? "N" : "Y", 
+                                         (DateTime.Now - cinfo.StartedTime).Minutes,
+                                         avg_reqs, 
+                                         string.Format(
+                                            "{0} ({1:0.00}%)", 
+                                            llClient.TotalAgentUpdates, 
+                                            (float)cinfo.SyncRequests["AgentUpdate"] / llClient.TotalAgentUpdates * 100));
                             }
                         });
                 }

OpenSim/Region/OptionalModules/World/NPC/NPCAvatar.cs

@@ -258,6 +258,7 @@ namespace OpenSim.Region.OptionalModules.World.NPC
         public event Action<IClientAPI, bool> OnCompleteMovementToRegion;
         public event UpdateAgent OnPreAgentUpdate;
         public event UpdateAgent OnAgentUpdate;
+        public event UpdateAgent OnAgentCameraUpdate;
         public event AgentRequestSit OnAgentRequestSit;
         public event AgentSit OnAgentSit;
         public event AvatarPickerRequest OnAvatarPickerRequest;
@@ -1228,7 +1229,7 @@ namespace OpenSim.Region.OptionalModules.World.NPC
         {
         }
         
-        public void StopFlying(ISceneEntity presence)
+        public void SendAgentTerseUpdate(ISceneEntity presence)
         {
         }
 

OpenSim/Region/Physics/BulletSPlugin/BSActorAvatarMove.cs

@@ -130,6 +130,7 @@ public class BSActorAvatarMove : BSActor
             SetVelocityAndTarget(m_controllingPrim.RawVelocity, m_controllingPrim.TargetVelocity, true /* inTaintTime */);
 
             m_physicsScene.BeforeStep += Mover;
+            m_controllingPrim.OnPreUpdateProperty += Process_OnPreUpdateProperty;
 
             m_walkingUpStairs = 0;
         }
@@ -139,6 +140,7 @@ public class BSActorAvatarMove : BSActor
     {
         if (m_velocityMotor != null)
         {
+            m_controllingPrim.OnPreUpdateProperty -= Process_OnPreUpdateProperty;
             m_physicsScene.BeforeStep -= Mover;
             m_velocityMotor = null;
         }
@@ -197,7 +199,7 @@ public class BSActorAvatarMove : BSActor
             {
                 if (m_controllingPrim.Flying)
                 {
-                    // Flying and not collising and velocity nearly zero.
+                    // Flying and not colliding and velocity nearly zero.
                     m_controllingPrim.ZeroMotion(true /* inTaintTime */);
                 }
             }
@@ -266,6 +268,19 @@ public class BSActorAvatarMove : BSActor
         }
     }
 
+    // Called just as the property update is received from the physics engine.
+    // Do any mode necessary for avatar movement.
+    private void Process_OnPreUpdateProperty(ref EntityProperties entprop)
+    {
+        // Don't change position if standing on a stationary object.
+        if (m_controllingPrim.IsStationary)
+        {
+            entprop.Position = m_controllingPrim.RawPosition;
+            m_physicsScene.PE.SetTranslation(m_controllingPrim.PhysBody, entprop.Position, entprop.Rotation);
+        }
+
+    }
+
     // Decide if the character is colliding with a low object and compute a force to pop the
     //    avatar up so it can walk up and over the low objects.
     private OMV.Vector3 WalkUpStairs()

OpenSim/Region/Physics/BulletSPlugin/BSCharacter.cs

@@ -709,10 +709,10 @@ public sealed class BSCharacter : BSPhysObject
     // the world that things have changed.
     public override void UpdateProperties(EntityProperties entprop)
     {
-        // Don't change position if standing on a stationary object.
+        // Let anyone (like the actors) modify the updated properties before they are pushed into the object and the simulator.
-        if (!IsStationary)
+        TriggerPreUpdatePropertyAction(ref entprop);
-            RawPosition = entprop.Position;
 
+        RawPosition = entprop.Position;
         RawOrientation = entprop.Rotation;
 
         // Smooth velocity. OpenSimulator is VERY sensitive to changes in velocity of the avatar
@@ -740,7 +740,7 @@ public sealed class BSCharacter : BSPhysObject
         // Linkset.UpdateProperties(UpdatedProperties.EntPropUpdates, this);
 
         // Avatars don't report their changes the usual way. Changes are checked for in the heartbeat loop.
-        // base.RequestPhysicsterseUpdate();
+        // PhysScene.PostUpdate(this);
 
         DetailLog("{0},BSCharacter.UpdateProperties,call,pos={1},orient={2},vel={3},accel={4},rotVel={5}",
                 LocalID, RawPosition, RawOrientation, RawVelocity, _acceleration, _rotationalVelocity);

OpenSim/Services/HypergridService/HGSuitcaseInventoryService.cs

@@ -493,6 +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
@@ -531,6 +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;
@@ -577,6 +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;

OpenSim/Tests/Common/Mock/TestClient.cs

@@ -106,6 +106,7 @@ namespace OpenSim.Tests.Common.Mock
         public event Action<IClientAPI, bool> OnCompleteMovementToRegion;
         public event UpdateAgent OnPreAgentUpdate;
         public event UpdateAgent OnAgentUpdate;
+        public event UpdateAgent OnAgentCameraUpdate;
         public event AgentRequestSit OnAgentRequestSit;
         public event AgentSit OnAgentSit;
         public event AvatarPickerRequest OnAvatarPickerRequest;
@@ -1255,7 +1256,7 @@ namespace OpenSim.Tests.Common.Mock
         {
         }
 
-        public void StopFlying(ISceneEntity presence)
+        public void SendAgentTerseUpdate(ISceneEntity presence)
         {
         }
 

bin/OpenSimDefaults.ini

@@ -86,6 +86,9 @@
     ;; from the selected region_info_source.
     allow_regionless = false
 
+	;; Allow child agents to see into the region even if their root counterpart isn't allowed in here
+	see_into_region = true
+
     ; Maximum number of position, rotation and scale changes for each prim that the simulator will store for later undos
     ; Increasing this number will increase memory usage.
     MaxPrimUndos = 20