retire our BlockingQueue replaced by BlockingCollection and cross fingers

5 files changed, 33 insertions, 174 deletions

diff --git a/OpenSim/Framework/BlockingQueue.cs b/OpenSim/Framework/BlockingQueue.cs
deleted file mode 100644
index 2461049..0000000
--- a/OpenSim/Framework/BlockingQueue.cs
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
- * Copyright (c) Contributors, http://opensimulator.org/
- * See CONTRIBUTORS.TXT for a full list of copyright holders.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in the
- *       documentation and/or other materials provided with the distribution.
- *     * Neither the name of the OpenSimulator Project nor the
- *       names of its contributors may be used to endorse or promote products
- *       derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-using System.Collections.Generic;
-using System.Threading;
-
-namespace OpenSim.Framework
-{
-    public class BlockingQueue<T>
-    {
-        private readonly Queue<T> m_pqueue = new Queue<T>();
-        private readonly Queue<T> m_queue = new Queue<T>();
-        private readonly object m_queueSync = new object();
-
-        public void PriorityEnqueue(T value)
-        {
-            lock (m_queueSync)
-            {
-                m_pqueue.Enqueue(value);
-                Monitor.Pulse(m_queueSync);
-            }
-        }
-
-        public void Enqueue(T value)
-        {
-            lock (m_queueSync)
-            {
-                m_queue.Enqueue(value);
-                Monitor.Pulse(m_queueSync);
-            }
-        }
-
-        public T Dequeue()
-        {
-            lock (m_queueSync)
-            {
-                while (m_queue.Count < 1 && m_pqueue.Count < 1)
-                {
-                    Monitor.Wait(m_queueSync);
-                }
-
-                if (m_pqueue.Count > 0)
-                    return m_pqueue.Dequeue();
-
-                if (m_queue.Count > 0)
-                    return m_queue.Dequeue();
-                return default(T);
-            }
-        }
-
-        public T Dequeue(int msTimeout)
-        {
-            lock (m_queueSync)
-            {
-                if (m_queue.Count < 1 && m_pqueue.Count < 1)
-                {
-                    if(!Monitor.Wait(m_queueSync, msTimeout))
-                        return default(T);
-                }
-
-                if (m_pqueue.Count > 0)
-                    return m_pqueue.Dequeue();
-                if (m_queue.Count > 0)
-                    return m_queue.Dequeue();
-                return default(T);
-            }
-        }
-
-        /// <summary>
-        /// Indicate whether this queue contains the given item.
-        /// </summary>
-        /// <remarks>
-        /// This method is not thread-safe.  Do not rely on the result without consistent external locking.
-        /// </remarks>
-        public bool Contains(T item)
-        {
-            lock (m_queueSync)
-            {
-                if (m_queue.Count < 1 && m_pqueue.Count < 1)
-                    return false;
-
-                if (m_pqueue.Contains(item))
-                    return true;
-                return m_queue.Contains(item);
-            }
-        }
-
-        /// <summary>
-        /// Return a count of the number of requests on this queue.
-        /// </summary>
-        public int Count()
-        {
-            lock (m_queueSync)
-                return m_queue.Count + m_pqueue.Count;
-        }
-
-        /// <summary>
-        /// Return the array of items on this queue.
-        /// </summary>
-        /// <remarks>
-        /// This method is not thread-safe.  Do not rely on the result without consistent external locking.
-        /// </remarks>
-        public T[] GetQueueArray()
-        {
-            lock (m_queueSync)
-            {
-                if (m_queue.Count < 1 && m_pqueue.Count < 1)
-                    return new T[0];
-
-                return m_queue.ToArray();
-            }
-        }
-
-        public void Clear()
-        {
-            lock (m_queueSync)
-            {
-                m_pqueue.Clear();
-                m_queue.Clear();
-                Monitor.Pulse(m_queueSync);
-            }
-        }
-    }
-}
diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
index 72b6116..58094d3 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
@@ -27,6 +27,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Collections.Concurrent;
 using System.Diagnostics;
 using System.IO;
 using System.Net;
@@ -285,7 +286,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         /// <summary>Incoming packets that are awaiting handling</summary>
         //protected OpenMetaverse.BlockingQueue<IncomingPacket> packetInbox = new OpenMetaverse.BlockingQueue<IncomingPacket>();
 
-        protected OpenSim.Framework.BlockingQueue<IncomingPacket> packetInbox = new OpenSim.Framework.BlockingQueue<IncomingPacket>();
+        protected BlockingCollection<IncomingPacket> packetInbox = new BlockingCollection<IncomingPacket>();
 
         /// <summary>Bandwidth throttle for this UDP server</summary>
         public TokenBucket Throttle { get; protected set; }
@@ -712,7 +713,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                     scene.Name,
                     StatType.Pull,
                     MeasuresOfInterest.AverageChangeOverTime,
-                    stat => stat.Value = packetInbox.Count(),
+                    stat => stat.Value = packetInbox.Count,
                     StatVerbosity.Debug));
 
             // XXX: These stats are also pool stats but we register them separately since they are currently not
@@ -1546,10 +1547,11 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
 //            if (incomingPacket.Packet.Type == PacketType.AgentUpdate ||
 //                incomingPacket.Packet.Type == PacketType.ChatFromViewer)
-            if (incomingPacket.Packet.Type == PacketType.ChatFromViewer)
-                packetInbox.PriorityEnqueue(incomingPacket);
-            else
-                packetInbox.Enqueue(incomingPacket);
+//            if (incomingPacket.Packet.Type == PacketType.ChatFromViewer)
+//                packetInbox.PriorityEnqueue(incomingPacket);
+//            else
+//                packetInbox.Enqueue(incomingPacket);
+            packetInbox.Add(incomingPacket);
 
         }
 
@@ -2018,7 +2020,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 Scene.ThreadAlive(1);
                 try
                 {
-                    incomingPacket = packetInbox.Dequeue(250);
+                    packetInbox.TryTake(out incomingPacket, 250);
 
                     if (incomingPacket != null && IsRunningInbound)
                     {
@@ -2040,9 +2042,9 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 Watchdog.UpdateThread();
             }
 
-            if (packetInbox.Count() > 0)
-                m_log.Warn("[LLUDPSERVER]: IncomingPacketHandler is shutting down, dropping " + packetInbox.Count() + " packets");
-            packetInbox.Clear();
+            if (packetInbox.Count > 0)
+                m_log.Warn("[LLUDPSERVER]: IncomingPacketHandler is shutting down, dropping " + packetInbox.Count + " packets");
+            packetInbox.Dispose();
 
             Watchdog.RemoveThread();
         }
diff --git a/OpenSim/Region/CoreModules/World/Estate/EstateManagementModule.cs b/OpenSim/Region/CoreModules/World/Estate/EstateManagementModule.cs
index 3c45b68..0ca76e4 100644
--- a/OpenSim/Region/CoreModules/World/Estate/EstateManagementModule.cs
+++ b/OpenSim/Region/CoreModules/World/Estate/EstateManagementModule.cs
@@ -26,7 +26,7 @@
  */
 
 using System;
-using System.Collections;
+using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
@@ -668,7 +668,7 @@ namespace OpenSim.Region.CoreModules.World.Estate
             public UUID user;
         }
 
-        private OpenSim.Framework.BlockingQueue<EstateAccessDeltaRequest> deltaRequests = new OpenSim.Framework.BlockingQueue<EstateAccessDeltaRequest>();
+        private BlockingCollection<EstateAccessDeltaRequest> deltaRequests = new BlockingCollection<EstateAccessDeltaRequest>();
 
         private void handleEstateAccessDeltaRequest(IClientAPI _remote_client, UUID _invoice, int _estateAccessType, UUID _user)
         {
@@ -683,7 +683,7 @@ namespace OpenSim.Region.CoreModules.World.Estate
             newreq.estateAccessType = _estateAccessType;
             newreq.user = _user;
 
-            deltaRequests.Enqueue(newreq);
+            deltaRequests.Add(newreq);
 
             lock(deltareqLock)
             {
@@ -713,9 +713,11 @@ namespace OpenSim.Region.CoreModules.World.Estate
             bool sentGroupsFull = false;
             bool sentManagersFull = false;
 
+            EstateAccessDeltaRequest req;
             while(Scene.IsRunning)
             {
-                EstateAccessDeltaRequest req = deltaRequests.Dequeue(500);
+                req = null;
+                deltaRequests.TryTake(out req, 500);
 
                 if(!Scene.IsRunning)
                     break;
@@ -757,7 +759,7 @@ namespace OpenSim.Region.CoreModules.World.Estate
                     changed.Clear();
                     lock(deltareqLock)
                     {
-                        if(deltaRequests.Count() != 0)
+                        if(deltaRequests.Count != 0)
                             continue;
                         runnigDeltaExec = false;
                         return;
diff --git a/OpenSim/Region/CoreModules/World/WorldMap/WorldMapModule.cs b/OpenSim/Region/CoreModules/World/WorldMap/WorldMapModule.cs
index 03a4d34..b5a6912 100644
--- a/OpenSim/Region/CoreModules/World/WorldMap/WorldMapModule.cs
+++ b/OpenSim/Region/CoreModules/World/WorldMap/WorldMapModule.cs
@@ -27,6 +27,7 @@
 
 using System;
 using System.Collections;
+using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Drawing;
 using System.Drawing.Imaging;
@@ -67,7 +68,7 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
         private static readonly string DEFAULT_WORLD_MAP_EXPORT_PATH = "exportmap.jpg";
         private static readonly UUID STOP_UUID = UUID.Random();
 
-        private OpenSim.Framework.BlockingQueue<MapRequestState> requests = new OpenSim.Framework.BlockingQueue<MapRequestState>();
+        private BlockingCollection<MapRequestState> requests = new BlockingCollection<MapRequestState>();
 
         private ManualResetEvent m_mapBlockRequestEvent = new ManualResetEvent(false);
         private Dictionary<UUID, Queue<MapBlockRequestData>> m_mapBlockRequests = new Dictionary<UUID, Queue<MapBlockRequestData>>();
@@ -422,7 +423,7 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
             st.itemtype = 0;
             st.regionhandle = 0;
 
-            requests.Enqueue(st);
+            requests.Add(st);
 
             MapBlockRequestData req = new MapBlockRequestData();
 
@@ -719,7 +720,7 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
                     av = null;
                     st = null;
 
-                    st = requests.Dequeue(4500);
+                    requests.TryTake(out st, 4500);
                     Watchdog.UpdateThread();
 
                     if (st == null || st.agentID == UUID.Zero)
@@ -795,8 +796,8 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
                         else
                         {
                             // request still beeing processed, enqueue it back
-                            requests.Enqueue(st);
-                            if (requests.Count() < 3)
+                            requests.Add(st);
+                            if (requests.Count < 3)
                                 Thread.Sleep(100);
                         }
                     }
@@ -839,7 +840,7 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
             st.itemtype = itemtype;
             st.regionhandle = regionhandle;
 
-            requests.Enqueue(st);
+            requests.Add(st);
         }
 
         uint[] itemTypesForcedSend = new uint[] { 6, 1, 7, 10 }; // green dots, infohub, land sells
diff --git a/OpenSim/Region/PhysicsModules/ubOde/ODEMeshWorker.cs b/OpenSim/Region/PhysicsModules/ubOde/ODEMeshWorker.cs
index f4e2b1f..bdfbe3d 100644
--- a/OpenSim/Region/PhysicsModules/ubOde/ODEMeshWorker.cs
+++ b/OpenSim/Region/PhysicsModules/ubOde/ODEMeshWorker.cs
@@ -3,6 +3,7 @@
  */
 
 using System;
+using System.Collections.Concurrent;
 using System.Threading;
 using OpenSim.Framework;
 using OpenSim.Region.PhysicsModules.SharedBase;
@@ -73,7 +74,7 @@ namespace OpenSim.Region.PhysicsModule.ubOde
         public float MeshSculptphysicalLOD = 32;
         public float MinSizeToMeshmerize = 0.1f;
 
-        private OpenSim.Framework.BlockingQueue<ODEPhysRepData> workQueue = new OpenSim.Framework.BlockingQueue<ODEPhysRepData>();
+        private BlockingCollection<ODEPhysRepData> workQueue = new BlockingCollection<ODEPhysRepData>();
         private bool m_running;
 
         private Thread m_thread;
@@ -100,10 +101,11 @@ namespace OpenSim.Region.PhysicsModule.ubOde
         private void DoWork()
         {
             m_mesher.ExpireFileCache();
+            ODEPhysRepData nextRep;
 
             while(m_running)
             {
-                 ODEPhysRepData nextRep = workQueue.Dequeue();
+                workQueue.TryTake(out nextRep, -1);
                 if(!m_running)
                     return;
                 if (nextRep == null)
@@ -132,7 +134,7 @@ namespace OpenSim.Region.PhysicsModule.ubOde
             try
             {
                 m_thread.Abort();
-                workQueue.Clear();
+ //               workQueue.Dispose();
             }
             catch
             {
@@ -189,7 +191,7 @@ namespace OpenSim.Region.PhysicsModule.ubOde
                 repData.meshState = MeshState.loadingAsset;
 
                 repData.comand = meshWorkerCmnds.getmesh;
-                workQueue.Enqueue(repData);
+                workQueue.Add(repData);
             }
         }
 
@@ -235,7 +237,7 @@ namespace OpenSim.Region.PhysicsModule.ubOde
                 if (needsMeshing(repData)) // no need for pbs now?
                 {
                     repData.comand = meshWorkerCmnds.changefull;
-                    workQueue.Enqueue(repData);
+                    workQueue.Add(repData);
                 }
             }
             else