Merge remote-tracking branch 'remotes/origin/avination' into teravuswork

1 files changed, 46 insertions, 23 deletions

diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLUDPClient.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLUDPClient.cs
index f675377..e52ac37 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLUDPClient.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLUDPClient.cs
@@ -92,7 +92,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         /// <summary>Packets we have sent that need to be ACKed by the client</summary>
         public readonly UnackedPacketCollection NeedAcks = new UnackedPacketCollection();
         /// <summary>ACKs that are queued up, waiting to be sent to the client</summary>
-        public readonly OpenSim.Framework.LocklessQueue<uint> PendingAcks = new OpenSim.Framework.LocklessQueue<uint>();
+        public readonly DoubleLocklessQueue<uint> PendingAcks = new DoubleLocklessQueue<uint>();
 
         /// <summary>Current packet sequence number</summary>
         public int CurrentSequence;
@@ -146,7 +146,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         /// <summary>Throttle buckets for each packet category</summary>
         private readonly TokenBucket[] m_throttleCategories;
         /// <summary>Outgoing queues for throttled packets</summary>
-        private readonly OpenSim.Framework.LocklessQueue<OutgoingPacket>[] m_packetOutboxes = new OpenSim.Framework.LocklessQueue<OutgoingPacket>[THROTTLE_CATEGORY_COUNT];
+        private readonly DoubleLocklessQueue<OutgoingPacket>[] m_packetOutboxes = new DoubleLocklessQueue<OutgoingPacket>[THROTTLE_CATEGORY_COUNT];
         /// <summary>A container that can hold one packet for each outbox, used to store
         /// dequeued packets that are being held for throttling</summary>
         private readonly OutgoingPacket[] m_nextPackets = new OutgoingPacket[THROTTLE_CATEGORY_COUNT];
@@ -202,7 +202,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 ThrottleOutPacketType type = (ThrottleOutPacketType)i;
 
                 // Initialize the packet outboxes, where packets sit while they are waiting for tokens
-                m_packetOutboxes[i] = new OpenSim.Framework.LocklessQueue<OutgoingPacket>();
+                m_packetOutboxes[i] = new DoubleLocklessQueue<OutgoingPacket>();
                 // Initialize the token buckets that control the throttling for each category
                 m_throttleCategories[i] = new TokenBucket(m_throttleCategory, rates.GetRate(type));
             }
@@ -279,7 +279,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         public string GetStats()
         {
             return string.Format(
-                "{0,7} {1,7} {2,7} {3,9} {4,7} {5,7} {6,7} {7,7} {8,7} {9,8} {10,7} {11,7} {12,7}",
+                "{0,7} {1,7} {2,7} {3,9} {4,7} {5,7} {6,7} {7,7} {8,7} {9,8} {10,7} {11,7}",
                 Util.EnvironmentTickCountSubtract(TickLastPacketReceived),
                 PacketsReceived,                                 
                 PacketsSent,
@@ -291,8 +291,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 m_packetOutboxes[(int)ThrottleOutPacketType.Cloud].Count,
                 m_packetOutboxes[(int)ThrottleOutPacketType.Task].Count,
                 m_packetOutboxes[(int)ThrottleOutPacketType.Texture].Count,
-                m_packetOutboxes[(int)ThrottleOutPacketType.Asset].Count,
-                m_packetOutboxes[(int)ThrottleOutPacketType.State].Count);                                
+                m_packetOutboxes[(int)ThrottleOutPacketType.Asset].Count);
         }
 
         public void SendPacketStats()
@@ -338,8 +337,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             int task = (int)(BitConverter.ToSingle(adjData, pos) * 0.125f); pos += 4;
             int texture = (int)(BitConverter.ToSingle(adjData, pos) * 0.125f); pos += 4;
             int asset = (int)(BitConverter.ToSingle(adjData, pos) * 0.125f);
-            // State is a subcategory of task that we allocate a percentage to
-            int state = 0;
 
             // Make sure none of the throttles are set below our packet MTU,
             // otherwise a throttle could become permanently clogged
@@ -376,9 +373,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             bucket = m_throttleCategories[(int)ThrottleOutPacketType.Task];
             bucket.RequestedDripRate = task;
 
-            bucket = m_throttleCategories[(int)ThrottleOutPacketType.State];
-            bucket.RequestedDripRate = state;
-
             bucket = m_throttleCategories[(int)ThrottleOutPacketType.Texture];
             bucket.RequestedDripRate = texture;
 
@@ -436,15 +430,20 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         /// </returns>
         public bool EnqueueOutgoing(OutgoingPacket packet, bool forceQueue)
         {
+            return EnqueueOutgoing(packet, forceQueue, false);
+        }
+
+        public bool EnqueueOutgoing(OutgoingPacket packet, bool forceQueue, bool highPriority)
+        {
             int category = (int)packet.Category;
 
             if (category >= 0 && category < m_packetOutboxes.Length)
             {
-                OpenSim.Framework.LocklessQueue<OutgoingPacket> queue = m_packetOutboxes[category];
+                DoubleLocklessQueue<OutgoingPacket> queue = m_packetOutboxes[category];
 
                 if (m_deliverPackets == false)
                 {
-                    queue.Enqueue(packet);
+                    queue.Enqueue(packet, highPriority);
                     return true;
                 }
 
@@ -455,7 +454,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 // queued packets
                 if (queue.Count > 0)
                 {
-                    queue.Enqueue(packet);
+                    queue.Enqueue(packet, highPriority);
                     return true;
                 }
                 
@@ -468,7 +467,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 else
                 {
                     // Force queue specified or not enough tokens in the bucket, queue this packet
-                    queue.Enqueue(packet);
+                    queue.Enqueue(packet, highPriority);
                     return true;
                 }
             }
@@ -500,7 +499,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             if (m_deliverPackets == false) return false;
 
             OutgoingPacket packet = null;
-            OpenSim.Framework.LocklessQueue<OutgoingPacket> queue;
+            DoubleLocklessQueue<OutgoingPacket> queue;
             TokenBucket bucket;
             bool packetSent = false;
             ThrottleOutPacketTypeFlags emptyCategories = 0;
@@ -540,7 +539,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                         }
                         catch
                         {
-                            m_packetOutboxes[i] = new OpenSim.Framework.LocklessQueue<OutgoingPacket>();
+                            m_packetOutboxes[i] = new DoubleLocklessQueue<OutgoingPacket>();
                         }
                         if (success)
                         {
@@ -573,7 +572,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                     }
                     else
                     {
-                        m_packetOutboxes[i] = new OpenSim.Framework.LocklessQueue<OutgoingPacket>();
+                        m_packetOutboxes[i] = new DoubleLocklessQueue<OutgoingPacket>();
                         emptyCategories |= CategoryToFlag(i);
                     }
                 }
@@ -709,9 +708,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         Texture = 5,
         /// <summary>Non-texture assets</summary>
         Asset = 6,
-        /// <summary>Avatar and primitive data</summary>
-        /// <remarks>This is a sub-category of Task</remarks>
-        State = 7,
              */
 
             switch (category)
@@ -728,11 +724,38 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                     return ThrottleOutPacketTypeFlags.Texture;
                 case ThrottleOutPacketType.Asset:
                     return ThrottleOutPacketTypeFlags.Asset;
-                case ThrottleOutPacketType.State:
-                    return ThrottleOutPacketTypeFlags.State;
                 default:
                     return 0;
             }
         }
     }
+
+    public class DoubleLocklessQueue<T> : OpenSim.Framework.LocklessQueue<T>
+    {
+        OpenSim.Framework.LocklessQueue<T> highQueue = new OpenSim.Framework.LocklessQueue<T>();
+
+        public override int Count
+        {
+            get
+            {
+                return base.Count + highQueue.Count;
+            }
+        }
+
+        public override bool Dequeue(out T item)
+        {
+            if (highQueue.Dequeue(out item))
+                return true;
+
+            return base.Dequeue(out item);
+        }
+
+        public void Enqueue(T item, bool highPriority)
+        {
+            if (highPriority)
+                highQueue.Enqueue(item);
+            else
+                Enqueue(item);
+        }
+    }
 }