4 files changed, 96 insertions, 172 deletions

diff --git a/OpenSim/Capabilities/Handlers/GetMesh/GetMeshHandler.cs b/OpenSim/Capabilities/Handlers/GetMesh/GetMeshHandler.cs
index a0471bb..72769c2 100644
--- a/OpenSim/Capabilities/Handlers/GetMesh/GetMeshHandler.cs
+++ b/OpenSim/Capabilities/Handlers/GetMesh/GetMeshHandler.cs
@@ -100,7 +100,6 @@ namespace OpenSim.Capabilities.Handlers
             Hashtable responsedata = new Hashtable();
             responsedata["int_response_code"] = 400; //501; //410; //404;
             responsedata["content_type"] = "text/plain";
-            responsedata["str_response_string"] = "Request wasn't what was expected";
             responsedata["int_bytes"] = 0;
 
             string meshStr = string.Empty;
@@ -125,7 +124,6 @@ namespace OpenSim.Capabilities.Handlers
                 {
                     if (mesh.Type == (SByte)AssetType.Mesh)
                     {
-
                         Hashtable headers = new Hashtable();
                         responsedata["headers"] = headers;
 
diff --git a/OpenSim/Region/ClientStack/Linden/Caps/GetMeshModule.cs b/OpenSim/Region/ClientStack/Linden/Caps/GetMeshModule.cs
index 542d52a..d4d7b33 100644
--- a/OpenSim/Region/ClientStack/Linden/Caps/GetMeshModule.cs
+++ b/OpenSim/Region/ClientStack/Linden/Caps/GetMeshModule.cs
@@ -87,7 +87,6 @@ namespace OpenSim.Region.ClientStack.Linden
 
         private Dictionary<UUID, PollServiceMeshEventArgs> m_pollservices = new Dictionary<UUID, PollServiceMeshEventArgs>();
 
-
         #region Region Module interfaceBase Members
 
         public Type ReplaceableInterface
@@ -134,7 +133,6 @@ namespace OpenSim.Region.ClientStack.Linden
 
             s.EventManager.OnRegisterCaps -= RegisterCaps;
             s.EventManager.OnDeregisterCaps -= DeregisterCaps;
-            s.EventManager.OnThrottleUpdate -= ThrottleUpdate;
             m_NumberScenes--;
             m_scene = null;
         }
@@ -153,7 +151,6 @@ namespace OpenSim.Region.ClientStack.Linden
 
             s.EventManager.OnRegisterCaps += RegisterCaps;          
             s.EventManager.OnDeregisterCaps += DeregisterCaps;
-            s.EventManager.OnThrottleUpdate += ThrottleUpdate;
 
             m_NumberScenes++;
 
@@ -212,18 +209,6 @@ namespace OpenSim.Region.ClientStack.Linden
             }
         }
 
-        // Now we know when the throttle is changed by the client in the case of a root agent or by a neighbor region in the case of a child agent.
-        public void ThrottleUpdate(ScenePresence p)
-        {
-            UUID user = p.UUID;
-            int imagethrottle = p.ControllingClient.GetAgentThrottleSilent((int)ThrottleOutPacketType.Asset);
-            PollServiceMeshEventArgs args;
-            if (m_pollservices.TryGetValue(user, out args))
-            {
-                args.UpdateThrottle(imagethrottle);
-            }
-        }
-
         private class PollServiceMeshEventArgs : PollServiceEventArgs
         {
             private List<Hashtable> requests =
@@ -233,18 +218,28 @@ namespace OpenSim.Region.ClientStack.Linden
             private HashSet<UUID> dropedResponses = new HashSet<UUID>();
 
             private Scene m_scene;
-            private MeshCapsDataThrottler m_throttler;
+            private ScenePresence m_presence;
             public PollServiceMeshEventArgs(string uri, UUID pId, Scene scene) :
                 base(null, uri, null, null, null, null, pId, int.MaxValue)
             {
                 m_scene = scene;
-                m_throttler = new MeshCapsDataThrottler(100000);
+
                 // x is request id, y is userid
                 HasEvents = (x, y) =>
                 {
                     lock (responses)
                     {
-                        return m_throttler.hasEvents(x, responses);
+                        APollResponse response;
+                        if (responses.TryGetValue(x, out response))
+                        {
+                            if (m_presence == null)
+                                m_presence = m_scene.GetScenePresence(pId);
+
+                            if (m_presence == null || m_presence.IsDeleted)
+                                return true;
+                            return m_presence.CapCanSendAsset(1, response.bytes);
+                        }
+                        return false;
                     }
                 };
 
@@ -269,7 +264,6 @@ namespace OpenSim.Region.ClientStack.Linden
                         finally
                         {
                             responses.Remove(x);
-                            m_throttler.PassTime();
                         }
                     }
                 };
@@ -282,7 +276,6 @@ namespace OpenSim.Region.ClientStack.Linden
                     reqinfo.request = y;
 
                     m_queue.Add(reqinfo);
-                    m_throttler.PassTime();
                 };
 
                 // this should never happen except possible on shutdown
@@ -307,14 +300,14 @@ namespace OpenSim.Region.ClientStack.Linden
 
             public void Process(APollRequest requestinfo)
             {
-                Hashtable response;
+                Hashtable curresponse;
 
                 UUID requestID = requestinfo.reqID;
 
                 if(m_scene.ShuttingDown)
                     return;
 
-               lock(responses)
+                lock(responses)
                 {
                     lock(dropedResponses)
                     {
@@ -324,25 +317,23 @@ namespace OpenSim.Region.ClientStack.Linden
                             return;
                         }
                     }
-                
+
                     // If the avatar is gone, don't bother to get the texture
-                    if (m_scene.GetScenePresence(Id) == null)
+                    if(m_scene.GetScenePresence(Id) == null)
                     {
-                        response = new Hashtable();
-
-                        response["int_response_code"] = 500;
-                        response["str_response_string"] = "Script timeout";
-                        response["content_type"] = "text/plain";
-                        response["keepalive"] = false;
-                        responses[requestID] = new APollResponse() { bytes = 0, response = response};
-
+                        curresponse = new Hashtable();
+                        curresponse["int_response_code"] = 500;
+                        curresponse["str_response_string"] = "Script timeout";
+                        curresponse["content_type"] = "text/plain";
+                        curresponse["keepalive"] = false;
+                        responses[requestID] = new APollResponse() { bytes = 0, response = curresponse };
                         return;
                     }
                 }
 
-                response = m_getMeshHandler.Handle(requestinfo.request);
+                curresponse = m_getMeshHandler.Handle(requestinfo.request);
 
-                lock (responses)
+                lock(responses)
                 {
                     lock(dropedResponses)
                     {
@@ -355,20 +346,10 @@ namespace OpenSim.Region.ClientStack.Linden
 
                     responses[requestID] = new APollResponse()
                     {
-                        bytes = (int)response["int_bytes"],
-                        response = response
+                        bytes = (int)curresponse["int_bytes"],
+                        response = curresponse
                     };
-
                 }
-                m_throttler.PassTime();
-            }
-
-            internal void UpdateThrottle(int pthrottle)
-            {
-                int tmp = 2 * pthrottle;
-                if(tmp < 10000)
-                    tmp = 10000;
-                m_throttler.ThrottleBytes = tmp;
             }
         }
 
@@ -419,52 +400,5 @@ namespace OpenSim.Region.ClientStack.Linden
                 m_pollservices.Remove(agentID);
             }
         }
-
-        internal sealed class MeshCapsDataThrottler
-        {
-            private double lastTimeElapsed = 0;
-            private double BytesSent = 0;
-
-            public MeshCapsDataThrottler(int pBytes)
-            {
-                if(pBytes < 10000)
-                    pBytes = 10000;
-                ThrottleBytes = pBytes;
-                lastTimeElapsed = Util.GetTimeStamp();
-            }
-
-            public bool hasEvents(UUID key, Dictionary<UUID, APollResponse> responses)
-            {
-                PassTime();
-                 APollResponse response;
-                if (responses.TryGetValue(key, out response))
-                {
-                    // Normal
-                    if (response.bytes == 0 || BytesSent <= ThrottleBytes)
-                    {
-                        BytesSent += response.bytes;
-                        return true;
-                    }
-                }
-                return false;
-            }
-
-            public void PassTime()
-            {
-                double currenttime = Util.GetTimeStamp();
-                double timeElapsed = currenttime - lastTimeElapsed;
-                if(timeElapsed < .05)
-                    return;
-                int add = (int)(ThrottleBytes * timeElapsed);
-                if (add >= 1000)
-                {
-                    lastTimeElapsed = currenttime;
-                    BytesSent -= add;
-                    if (BytesSent < 0) BytesSent = 0;
-                }
-            }
-
-            public int ThrottleBytes;
-        }
     }
 }
diff --git a/OpenSim/Region/ClientStack/Linden/Caps/GetTextureModule.cs b/OpenSim/Region/ClientStack/Linden/Caps/GetTextureModule.cs
index 7d1a380..0588648 100644
--- a/OpenSim/Region/ClientStack/Linden/Caps/GetTextureModule.cs
+++ b/OpenSim/Region/ClientStack/Linden/Caps/GetTextureModule.cs
@@ -113,7 +113,6 @@ namespace OpenSim.Region.ClientStack.Linden
         {
             s.EventManager.OnRegisterCaps -= RegisterCaps;
             s.EventManager.OnDeregisterCaps -= DeregisterCaps;
-            s.EventManager.OnThrottleUpdate -= ThrottleUpdate;
             m_NumberScenes--;
             m_scene = null;
         }
@@ -129,7 +128,6 @@ namespace OpenSim.Region.ClientStack.Linden
 
             s.EventManager.OnRegisterCaps += RegisterCaps;
             s.EventManager.OnDeregisterCaps += DeregisterCaps;
-            s.EventManager.OnThrottleUpdate += ThrottleUpdate;
 
             m_NumberScenes++;
 
@@ -149,19 +147,6 @@ namespace OpenSim.Region.ClientStack.Linden
                 }
             }
         }
- 
-        // Now we know when the throttle is changed by the client in the case of a root agent or by a neighbor region in the case of a child agent.
-        public void ThrottleUpdate(ScenePresence p)
-        {
-            byte[] throttles = p.ControllingClient.GetThrottlesPacked(1);
-            UUID user = p.UUID;
-            int imagethrottle = p.ControllingClient.GetAgentThrottleSilent((int)ThrottleOutPacketType.Texture);
-            PollServiceTextureEventArgs args;
-            if (m_pollservices.TryGetValue(user,out args))
-            {
-                args.UpdateThrottle(imagethrottle);
-            }
-        }
 
         public void PostInitialise()
         {
@@ -198,20 +183,27 @@ namespace OpenSim.Region.ClientStack.Linden
             private HashSet<UUID> dropedResponses = new HashSet<UUID>();
 
             private Scene m_scene;
-            private CapsDataThrottler m_throttler;
+            private ScenePresence m_presence;
             public PollServiceTextureEventArgs(UUID pId, Scene scene) :
                     base(null, "", null, null, null, null, pId, int.MaxValue)              
             {
                 m_scene = scene;
-                m_throttler = new CapsDataThrottler(100000);
                 // x is request id, y is userid
                 HasEvents = (x, y) =>
                 {
                     lock (responses)
                     {
-                        bool ret = m_throttler.hasEvents(x, responses);
-                        return ret;
+                        APollResponse response;
+                        if (responses.TryGetValue(x, out response))
+                        {
+                            if (m_presence == null)
+                                m_presence = m_scene.GetScenePresence(pId);
 
+                            if (m_presence == null || m_presence.IsDeleted)
+                                return true;
+                            return m_presence.CapCanSendAsset(0, response.bytes);
+                        }
+                        return false;
                     }
                 };
 
@@ -235,7 +227,6 @@ namespace OpenSim.Region.ClientStack.Linden
                         finally
                         {
                             responses.Remove(x);
-                            m_throttler.PassTime();
                         }
                     }
                 };
@@ -260,7 +251,6 @@ namespace OpenSim.Region.ClientStack.Linden
                         }
                     }
                     m_queue.Add(reqinfo);
-                    m_throttler.PassTime();
                 };
 
                 // this should never happen except possible on shutdown
@@ -346,7 +336,6 @@ namespace OpenSim.Region.ClientStack.Linden
                         if(dropedResponses.Contains(requestID))
                         {
                             dropedResponses.Remove(requestID);
-                            m_throttler.PassTime();
                             return;
                         }
                     }
@@ -356,15 +345,6 @@ namespace OpenSim.Region.ClientStack.Linden
                             response = response
                         };
                 } 
-                m_throttler.PassTime();
-            }
-
-            internal void UpdateThrottle(int pimagethrottle)
-            {
-                int tmp = 2 * pimagethrottle;
-                if(tmp < 10000)
-                    tmp = 10000;
-                m_throttler.ThrottleBytes = tmp;
             }
         }
 
@@ -437,49 +417,5 @@ namespace OpenSim.Region.ClientStack.Linden
                     poolreq.thepoll.Process(poolreq);
             }
         }
-
-        internal sealed class CapsDataThrottler
-        {
-            private double lastTimeElapsed = 0;
-            private volatile int BytesSent = 0;
-            public CapsDataThrottler(int pBytes)
-            {
-                if(pBytes < 10000)
-                    pBytes = 10000;
-                ThrottleBytes = pBytes;
-                lastTimeElapsed = Util.GetTimeStamp();
-            }
-            public bool hasEvents(UUID key, Dictionary<UUID, GetTextureModule.APollResponse> responses)
-            {
-                PassTime();
-                // Note, this is called IN LOCK
-                GetTextureModule.APollResponse response;
-                if (responses.TryGetValue(key, out response))
-                {
-                    if (response.bytes == 0 || BytesSent <= ThrottleBytes)
-                    {
-                        BytesSent += response.bytes;
-                        return true;
-                    }
-                }
-                return false;
-            }
-
-            public void PassTime()
-            {
-                double currenttime = Util.GetTimeStamp();
-                double timeElapsed = currenttime - lastTimeElapsed;
-                if(timeElapsed < .05)
-                    return;
-                int add = (int)(ThrottleBytes * timeElapsed);
-                if (add >= 1000)
-            {
-                    lastTimeElapsed = currenttime;
-                    BytesSent -= add;
-                    if (BytesSent < 0) BytesSent = 0;
-                }
-            }
-            public int ThrottleBytes;
-        }
     }
 }
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index ed4cafa..bcae69f 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -1118,6 +1118,20 @@ namespace OpenSim.Region.Framework.Scenes
                     m_LandingPointBehavior = LandingPointBehavior.SL;
             }
 
+            m_bandwidth = 100000;
+            m_lastBandwithTime = Util.GetTimeStamp() + 0.1;
+            IConfig cconfig = m_scene.Config.Configs["ClientStack.LindenCaps"];
+            if (cconfig != null)
+            {
+                m_capbandwidth = cconfig.GetInt("Cap_AssetThrottle", m_capbandwidth);
+                if(m_capbandwidth > 0)
+                {
+                    m_bandwidth = m_capbandwidth;
+                    if(m_bandwidth < 50000)
+                        m_bandwidth = 50000;
+                }
+            }
+            m_bandwidthBurst = m_bandwidth / 5;
             ControllingClient.RefreshGroupMembership();
 
         }
@@ -4626,7 +4640,12 @@ namespace OpenSim.Region.Framework.Scenes
 
         private void RaiseUpdateThrottles()
         {
-            m_scene.EventManager.TriggerThrottleUpdate(this);
+            if(m_capbandwidth > 0)
+                return;
+            m_bandwidth = 4 * ControllingClient.GetAgentThrottleSilent((int)ThrottleOutPacketType.Texture);
+            if(m_bandwidth < 50000)
+                m_bandwidth = 50000;
+            m_bandwidthBurst = m_bandwidth / 5;
         }
 
         /// <summary>
@@ -5834,7 +5853,7 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 if (scriptedcontrols.TryGetValue(Script_item_UUID, out takecontrols))
                 {
-                   ScriptControlled sctc = takecontrols.eventControls;
+                    ScriptControlled sctc = takecontrols.eventControls;
 
                     ControllingClient.SendTakeControls((int)sctc, false, false);
                     ControllingClient.SendTakeControls((int)sctc, true, false);
@@ -6830,5 +6849,42 @@ namespace OpenSim.Region.Framework.Scenes
         {
             return Overrides.GetOverriddenAnimation(animState);
         }
+
+        // http caps assets bandwidth control
+        private int m_capbandwidth = -1;
+        private int m_bandwidth = 100000;
+        private int m_bandwidthBurst = 20000;
+        private int m_bytesControl;
+        private double m_lastBandwithTime;
+
+        public bool CapCanSendAsset(int type, int size)
+        {
+            if(size == 0)
+                return true;
+
+            if(type > 1)
+            {
+                // not texture or mesh
+                m_bytesControl -= size;
+                return true;
+            }
+
+            double currenttime = Util.GetTimeStamp();
+            double timeElapsed = currenttime - m_lastBandwithTime;
+            if (timeElapsed > .05)
+            {
+                m_lastBandwithTime = currenttime;
+                int add = (int)(m_bandwidth * timeElapsed);
+                m_bytesControl += add;
+                if (m_bytesControl > m_bandwidthBurst)
+                    m_bytesControl = m_bandwidthBurst;
+            }
+            if (m_bytesControl > 0 )
+            {
+                m_bytesControl -= size;
+                return true;
+            }
+            return false;
+        }
     }
 }