4 files changed, 93 insertions, 23 deletions

diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
index e78ebed..7749ef3 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
@@ -8751,16 +8751,61 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
         #region Parcel related packets
 
+        // acumulate several HandleRegionHandleRequest consecutive overlaping requests
+        // to be done with minimal resources as possible
+        // variables temporary here while in test
+
+        Queue<UUID> RegionHandleRequests = new Queue<UUID>();
+        bool RegionHandleRequestsInService = false;
+
         private bool HandleRegionHandleRequest(IClientAPI sender, Packet Pack)
         {
-            RegionHandleRequestPacket rhrPack = (RegionHandleRequestPacket)Pack;
+            UUID currentUUID;
 
             RegionHandleRequest handlerRegionHandleRequest = OnRegionHandleRequest;
-            if (handlerRegionHandleRequest != null)
+
+            if (handlerRegionHandleRequest == null)
+                return true;
+
+            RegionHandleRequestPacket rhrPack = (RegionHandleRequestPacket)Pack;
+
+            lock (RegionHandleRequests)
+            {
+                if (RegionHandleRequestsInService)
+                {
+                    // we are already busy doing a previus request
+                    // so enqueue it
+                    RegionHandleRequests.Enqueue(rhrPack.RequestBlock.RegionID);
+                    return true;
+                }
+
+                // else do it
+                currentUUID = rhrPack.RequestBlock.RegionID;
+                RegionHandleRequestsInService = true;
+            }
+
+            while (true)
             {
-                handlerRegionHandleRequest(this, rhrPack.RequestBlock.RegionID);
+                handlerRegionHandleRequest(this, currentUUID);
+
+                lock (RegionHandleRequests)
+                {
+                    // exit condition, nothing to do or closed
+                    // current code seems to assume we may loose the handler at anytime,
+                    // so keep checking it
+                    handlerRegionHandleRequest = OnRegionHandleRequest;
+
+                    if (RegionHandleRequests.Count == 0 || !IsActive || handlerRegionHandleRequest == null)
+                    {
+                        RegionHandleRequests.Clear();
+                        RegionHandleRequestsInService = false;
+                        return true;
+                    }
+                    currentUUID = RegionHandleRequests.Dequeue();
+                }
             }
-            return true;
+
+            return true; // actually unreached
         }
 
         private bool HandleParcelInfoRequest(IClientAPI sender, Packet Pack)
diff --git a/OpenSim/Region/CoreModules/World/Land/LandManagementModule.cs b/OpenSim/Region/CoreModules/World/Land/LandManagementModule.cs
index 8bc81ae..aae6603 100644
--- a/OpenSim/Region/CoreModules/World/Land/LandManagementModule.cs
+++ b/OpenSim/Region/CoreModules/World/Land/LandManagementModule.cs
@@ -401,30 +401,51 @@ namespace OpenSim.Region.CoreModules.World.Land
 
         public void SendLandUpdate(ScenePresence avatar, bool force)
         {
+
+            /* stop sendind same data twice
+                        ILandObject over = GetLandObject((int)Math.Min(((int)Constants.RegionSize - 1), Math.Max(0, Math.Round(avatar.AbsolutePosition.X))),
+                                                         (int)Math.Min(((int)Constants.RegionSize - 1), Math.Max(0, Math.Round(avatar.AbsolutePosition.Y))));
+
+                        if (over != null)
+                        {
+
+                            if (force)
+                            {
+                                if (!avatar.IsChildAgent)
+                                {
+                                    over.SendLandUpdateToClient(avatar.ControllingClient);
+                                    m_scene.EventManager.TriggerAvatarEnteringNewParcel(avatar, over.LandData.LocalID,
+                                                                                        m_scene.RegionInfo.RegionID);
+                                }
+                            }
+
+                            if (avatar.currentParcelUUID != over.LandData.GlobalID)
+                            {
+                                if (!avatar.IsChildAgent)
+                                {
+                                    over.SendLandUpdateToClient(avatar.ControllingClient);
+                                    avatar.currentParcelUUID = over.LandData.GlobalID;
+                                    m_scene.EventManager.TriggerAvatarEnteringNewParcel(avatar, over.LandData.LocalID,
+                                                                                        m_scene.RegionInfo.RegionID);
+                                }
+                            }
+             */
+            if (avatar.IsChildAgent)
+                return;
+
             ILandObject over = GetLandObject((int)Math.Min(((int)Constants.RegionSize - 1), Math.Max(0, Math.Round(avatar.AbsolutePosition.X))),
-                                             (int)Math.Min(((int)Constants.RegionSize - 1), Math.Max(0, Math.Round(avatar.AbsolutePosition.Y))));
+                                                         (int)Math.Min(((int)Constants.RegionSize - 1), Math.Max(0, Math.Round(avatar.AbsolutePosition.Y))));
 
             if (over != null)
             {
-                if (force)
+                bool NotsameID = (avatar.currentParcelUUID != over.LandData.GlobalID);
+                if (force || NotsameID)
                 {
-                    if (!avatar.IsChildAgent)
-                    {
-                        over.SendLandUpdateToClient(avatar.ControllingClient);
-                        m_scene.EventManager.TriggerAvatarEnteringNewParcel(avatar, over.LandData.LocalID,
-                                                                            m_scene.RegionInfo.RegionID);
-                    }
-                }
-
-                if (avatar.currentParcelUUID != over.LandData.GlobalID)
-                {
-                    if (!avatar.IsChildAgent)
-                    {
-                        over.SendLandUpdateToClient(avatar.ControllingClient);
+                    over.SendLandUpdateToClient(avatar.ControllingClient);
+                    if (NotsameID)
                         avatar.currentParcelUUID = over.LandData.GlobalID;
-                        m_scene.EventManager.TriggerAvatarEnteringNewParcel(avatar, over.LandData.LocalID,
-                                                                            m_scene.RegionInfo.RegionID);
-                    }
+                    m_scene.EventManager.TriggerAvatarEnteringNewParcel(avatar, over.LandData.LocalID,
+                                                                        m_scene.RegionInfo.RegionID);
                 }
             }
         }
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 0237021..0dae946 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -2890,9 +2890,11 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 EventManager.TriggerOnClientLogin(client);
                 // Send initial parcel data
+/* this is done on TriggerOnNewClient by landmanegement respective event handler
                 Vector3 pos = sp.AbsolutePosition;
                 ILandObject land = LandChannel.GetLandObject(pos.X, pos.Y);
                 land.SendLandUpdateToClient(client);
+*/
             }
 
             return sp;
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index 433efc7..a8aa551 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -1315,13 +1315,15 @@ namespace OpenSim.Region.Framework.Scenes
             // Create child agents in neighbouring regions
             if (openChildAgents && !IsChildAgent)
             {
+
                 IEntityTransferModule m_agentTransfer = m_scene.RequestModuleInterface<IEntityTransferModule>();
                 if (m_agentTransfer != null)
-                    Util.FireAndForget(delegate { m_agentTransfer.EnableChildAgents(this); });
+                    m_agentTransfer.EnableChildAgents(this);
 
                 IFriendsModule friendsModule = m_scene.RequestModuleInterface<IFriendsModule>();
                 if (friendsModule != null)
                     friendsModule.SendFriendsOnlineIfNeeded(ControllingClient);
+
             }
 
 //            m_log.DebugFormat(