Add "show image queue <first-name> <last-name>" region console command

This is so that we can inspect the image download queue (texture download via udp) for debugging purposes.

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

@@ -304,6 +304,11 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
         protected static Dictionary<PacketType, PacketMethod> PacketHandlers = new Dictionary<PacketType, PacketMethod>(); //Global/static handlers for all clients
 
+        /// <summary>
+        /// Handles UDP texture download.
+        /// </summary>
+        public LLImageManager ImageManager { get; private set; }
+
         private readonly LLUDPServer m_udpServer;
         private readonly LLUDPClient m_udpClient;
         private readonly UUID m_sessionId;
@@ -348,7 +353,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         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
         protected Scene m_scene;
-        private LLImageManager m_imageManager;
         protected string m_firstName;
         protected string m_lastName;
         protected Thread m_clientThread;
@@ -459,7 +463,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
             m_assetService = m_scene.RequestModuleInterface<IAssetService>();
             m_GroupsModule = scene.RequestModuleInterface<IGroupsModule>();
-            m_imageManager = new LLImageManager(this, m_assetService, Scene.RequestModuleInterface<IJ2KDecoder>());
+            ImageManager = new LLImageManager(this, m_assetService, Scene.RequestModuleInterface<IJ2KDecoder>());
             m_channelVersion = Util.StringToBytes256(scene.GetSimulatorVersion());
             m_agentId = agentId;
             m_sessionId = sessionId;
@@ -499,7 +503,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             IsActive = false;
 
             // Shutdown the image manager
-            m_imageManager.Close();
+            ImageManager.Close();
 
             // Fire the callback for this connection closing
             if (OnConnectionClosed != null)
@@ -3939,7 +3943,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             }
 
             if ((categories & ThrottleOutPacketTypeFlags.Texture) != 0)
-                m_imageManager.ProcessImageQueue(m_udpServer.TextureSendLimit);
+                ImageManager.ProcessImageQueue(m_udpServer.TextureSendLimit);
         }
 
         public void SendAssetUploadCompleteMessage(sbyte AssetType, bool Success, UUID AssetFullID)
@@ -7470,7 +7474,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 if ((ImageType)block.Type == ImageType.Baked)
                     args.Priority *= 2.0f;
 
-                m_imageManager.EnqueueReq(args);
+                ImageManager.EnqueueReq(args);
             }
 
             return true;

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

@@ -245,6 +245,16 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             m_shuttingdown = true;
         }
 
+        /// <summary>
+        /// Returns an array containing all the images in the queue.
+        /// </summary>
+        /// <returns></returns>
+        public J2KImage[] GetImages()
+        {
+            lock (m_priorityQueue)
+                return m_priorityQueue.ToArray();
+        }
+
         #region Priority Queue Helpers
 
         private J2KImage GetHighestPriorityImage()

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

@@ -97,6 +97,12 @@ namespace OpenSim.Region.CoreModules.UDP.Linden
                   + "  With the 'full' option child agents are also shown.",                                          
                 ShowQueuesReport);
 
+            scene.AddCommand(
+                this, "show image queue",
+                "show image queue <first-name> <last-name>",
+                "Show the image queue (textures downloaded via UDP) for a particular client.",
+                ShowImageQueuesReport);
+            
             scene.AddCommand(
                 this, "show throttles",
                 "show throttles [full]",
@@ -136,6 +142,11 @@ namespace OpenSim.Region.CoreModules.UDP.Linden
             MainConsole.Instance.Output(GetQueuesReport(cmd));
         }
 
+        protected void ShowImageQueuesReport(string module, string[] cmd)
+        {                       
+            MainConsole.Instance.Output(GetImageQueuesReport(cmd));
+        }
+        
         protected void ShowThrottlesReport(string module, string[] cmd)
         {
             MainConsole.Instance.Output(GetThrottlesReport(cmd));
@@ -241,6 +252,82 @@ namespace OpenSim.Region.CoreModules.UDP.Linden
             return report.ToString();
         }
 
+        /// <summary>
+        /// Generate an image queue report
+        /// </summary>
+        /// <param name="showParams"></param>
+        /// <returns></returns>
+        private string GetImageQueuesReport(string[] showParams)
+        {
+            if (showParams.Length < 5 || showParams.Length > 6)
+            {
+                MainConsole.Instance.OutputFormat("Usage: show image queue <first-name> <last-name> [full]");
+                return "";
+            }
+
+            string firstName = showParams[3];
+            string lastName = showParams[4];
+
+            bool showChildAgents = showParams.Length == 6;
+
+            List<ScenePresence> foundAgents = new List<ScenePresence>();
+
+            lock (m_scenes)
+            {
+                foreach (Scene scene in m_scenes.Values)
+                {
+                    ScenePresence sp = scene.GetScenePresence(firstName, lastName);
+                    if (sp != null && (showChildAgents || !sp.IsChildAgent))
+                        foundAgents.Add(sp);
+                }
+            }
+
+            if (foundAgents.Count == 0)
+            {
+                MainConsole.Instance.OutputFormat("No agents found for {0} {1}", firstName, lastName);
+                return "";
+            }
+
+            StringBuilder report = new StringBuilder();
+
+            foreach (ScenePresence agent in foundAgents)
+            {
+                LLClientView client = agent.ControllingClient as LLClientView;
+    
+                if (client == null)
+                {
+                    MainConsole.Instance.OutputFormat("This command is only supported for LLClientView");
+                    return "";
+                }
+    
+                J2KImage[] images = client.ImageManager.GetImages();
+
+                report.AppendFormat(
+                    "In region {0} ({1} agent)\n",
+                    agent.Scene.RegionInfo.RegionName, agent.IsChildAgent ? "child" : "root");
+                report.AppendFormat("Images in queue: {0}\n", images.Length);
+    
+                if (images.Length > 0)
+                {
+                    report.AppendFormat(
+                    "{0,-36}  {1,-8}  {2,-9}  {3,-9}  {4,-9}  {5,-7}\n",
+                    "Texture ID",
+                    "Last Seq",
+                    "Priority",
+                    "Start Pkt",
+                    "Has Asset",
+                    "Decoded");
+    
+                    foreach (J2KImage image in images)
+                        report.AppendFormat(
+                            "{0,36}  {1,8}  {2,9}  {3,10}  {4,9}  {5,7}\n",
+                            image.TextureID, image.LastSequence, image.Priority, image.StartPacket, image.HasAsset, image.IsDecoded);
+                }
+            }
+
+            return report.ToString();
+        }
+        
         /// <summary>
         /// Generate UDP Queue data report for each client
         /// </summary>