2 files changed, 230 insertions, 60 deletions

diff --git a/OpenSim/Region/ClientStack/Linden/Caps/WebFetchInvDescModule.cs b/OpenSim/Region/ClientStack/Linden/Caps/WebFetchInvDescModule.cs
index 2359bd6..b77ead3 100644
--- a/OpenSim/Region/ClientStack/Linden/Caps/WebFetchInvDescModule.cs
+++ b/OpenSim/Region/ClientStack/Linden/Caps/WebFetchInvDescModule.cs
@@ -27,12 +27,15 @@
 
 using System;
 using System.Collections;
+using System.Collections.Generic;
 using System.Reflection;
+using System.Threading;
 using log4net;
 using Nini.Config;
 using Mono.Addins;
 using OpenMetaverse;
 using OpenSim.Framework;
+using OpenSim.Framework.Servers;
 using OpenSim.Framework.Servers.HttpServer;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
@@ -48,67 +51,49 @@ namespace OpenSim.Region.ClientStack.Linden
     [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule")]
     public class WebFetchInvDescModule : INonSharedRegionModule
     {
-//        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
         private Scene m_scene;
 
         private IInventoryService m_InventoryService;
         private ILibraryService m_LibraryService;
 
-        private bool m_Enabled;
+        private WebFetchInvDescHandler m_webFetchHandler;
 
-        private string m_fetchInventoryDescendents2Url;
-        private string m_webFetchInventoryDescendentsUrl;
+        private ManualResetEvent m_ev = new ManualResetEvent(true);
+        private object m_lock = new object();
 
-        private WebFetchInvDescHandler m_webFetchHandler;
+        private Dictionary<UUID, string> m_capsDict = new Dictionary<UUID, string>();
+        private Dictionary<UUID, Hashtable> m_requests = new Dictionary<UUID, Hashtable>();
 
         #region ISharedRegionModule Members
 
         public void Initialise(IConfigSource source)
         {
-            IConfig config = source.Configs["ClientStack.LindenCaps"];
-            if (config == null)
-                return;
-
-            m_fetchInventoryDescendents2Url = config.GetString("Cap_FetchInventoryDescendents2", string.Empty);
-            m_webFetchInventoryDescendentsUrl = config.GetString("Cap_WebFetchInventoryDescendents", string.Empty);
-
-            if (m_fetchInventoryDescendents2Url != string.Empty || m_webFetchInventoryDescendentsUrl != string.Empty)
-            {
-                m_Enabled = true;
-            }
         }
 
         public void AddRegion(Scene s)
         {
-            if (!m_Enabled)
-                return;
-
             m_scene = s;
         }
 
         public void RemoveRegion(Scene s)
         {
-            if (!m_Enabled)
-                return;
-
             m_scene.EventManager.OnRegisterCaps -= RegisterCaps;
+            m_scene.EventManager.OnDeregisterCaps -= DeregisterCaps;
             m_scene = null;
         }
 
         public void RegionLoaded(Scene s)
         {
-            if (!m_Enabled)
-                return;
-
             m_InventoryService = m_scene.InventoryService;
             m_LibraryService = m_scene.LibraryService;
 
             // We'll reuse the same handler for all requests.
-            if (m_fetchInventoryDescendents2Url == "localhost" || m_webFetchInventoryDescendentsUrl == "localhost")
-                m_webFetchHandler = new WebFetchInvDescHandler(m_InventoryService, m_LibraryService);
+            m_webFetchHandler = new WebFetchInvDescHandler(m_InventoryService, m_LibraryService);
 
             m_scene.EventManager.OnRegisterCaps += RegisterCaps;
+            m_scene.EventManager.OnDeregisterCaps += DeregisterCaps;
         }
 
         public void PostInitialise()
@@ -128,41 +113,110 @@ namespace OpenSim.Region.ClientStack.Linden
 
         private void RegisterCaps(UUID agentID, Caps caps)
         {
-            if (m_webFetchInventoryDescendentsUrl != "")
-                RegisterFetchCap(agentID, caps, "WebFetchInventoryDescendents", m_webFetchInventoryDescendentsUrl);
+            string capUrl = "/CAPS/" + UUID.Random() + "/";
+
+            // Register this as a poll service
+            PollServiceEventArgs args = new PollServiceEventArgs(HttpRequestHandler, HasEvents, GetEvents, NoEvents, agentID, 300000);
+            args.Type = PollServiceEventArgs.EventType.Inventory;
+            MainServer.Instance.AddPollServiceHTTPHandler(capUrl, args);
+
+            string hostName = m_scene.RegionInfo.ExternalHostName;
+            uint port = (MainServer.Instance == null) ? 0 : MainServer.Instance.Port;
+            string protocol = "http";
+            
+            if (MainServer.Instance.UseSSL)
+            {
+                hostName = MainServer.Instance.SSLCommonName;
+                port = MainServer.Instance.SSLPort;
+                protocol = "https";
+            }
+            caps.RegisterHandler("FetchInventoryDescendents2", String.Format("{0}://{1}:{2}{3}", protocol, hostName, port, capUrl));
 
-            if (m_fetchInventoryDescendents2Url != "")
-                RegisterFetchCap(agentID, caps, "FetchInventoryDescendents2", m_fetchInventoryDescendents2Url);
+            m_capsDict[agentID] = capUrl;
         }
 
-        private void RegisterFetchCap(UUID agentID, Caps caps, string capName, string url)
+        private void DeregisterCaps(UUID agentID, Caps caps)
         {
             string capUrl;
 
-            if (url == "localhost")
+            if (m_capsDict.TryGetValue(agentID, out capUrl))
             {
-                capUrl = "/CAPS/" + UUID.Random();
+                MainServer.Instance.RemoveHTTPHandler("", capUrl);
+                m_capsDict.Remove(agentID);
+            }
+        }
 
-                IRequestHandler reqHandler
-                    = new RestStreamHandler(
-                        "POST",
-                        capUrl,
-                        m_webFetchHandler.FetchInventoryDescendentsRequest,
-                        "FetchInventoryDescendents2",
-                        agentID.ToString());
+        public void HttpRequestHandler(UUID requestID, Hashtable request)
+        {
+//            m_log.DebugFormat("[FETCH2]: Received request {0}", requestID);
+            m_requests[requestID] = request;
+        }
 
-                caps.RegisterHandler(capName, reqHandler);
+        private bool HasEvents(UUID requestID, UUID sessionID)
+        {
+            lock (m_lock)
+            {
+                if (m_ev.WaitOne(0))
+                {
+                    m_ev.Reset();
+                    return true;
+                }
+                return false;
             }
-            else
+        }
+
+        private Hashtable NoEvents(UUID requestID, UUID sessionID)
+        {
+            m_requests.Remove(requestID);
+
+            Hashtable response = new Hashtable();
+
+            response["int_response_code"] = 500;
+            response["str_response_string"] = "Script timeout";
+            response["content_type"] = "text/plain";
+            response["keepalive"] = false;
+            response["reusecontext"] = false;
+
+            return response;
+        }
+
+        private Hashtable GetEvents(UUID requestID, UUID sessionID, string request)
+        {
+            Hashtable response = new Hashtable();
+
+            response["int_response_code"] = 500;
+            response["str_response_string"] = "Internal error";
+            response["content_type"] = "text/plain";
+            response["keepalive"] = false;
+            response["reusecontext"] = false;
+
+            try
             {
-                capUrl = url;
+                Hashtable requestHash;
+                if (!m_requests.TryGetValue(requestID, out requestHash))
+                {
+                    lock (m_lock)
+                        m_ev.Set();
+                    response["str_response_string"] = "Invalid request";
+                    return response;
+                }
+
+//                m_log.DebugFormat("[FETCH2]: Processed request {0}", requestID);
 
-                caps.RegisterHandler(capName, capUrl);
+                string reply = m_webFetchHandler.FetchInventoryDescendentsRequest(requestHash["body"].ToString(), String.Empty, String.Empty, null, null);
+
+                m_requests.Remove(requestID);
+
+                response["int_response_code"] = 200;
+                response["str_response_string"] = reply;
+            }
+            finally
+            {
+                lock (m_lock)
+                    m_ev.Set();
             }
 
-//            m_log.DebugFormat(
-//                "[WEB FETCH INV DESC MODULE]: Registered capability {0} at {1} in region {2} for {3}",
-//                capName, capUrl, m_scene.RegionInfo.RegionName, agentID);
+            return response;
         }
     }
-}
\ No newline at end of file
+}
diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
index fb73e1d..60ab70e 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
@@ -110,7 +110,10 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         /// <summary>Handlers for incoming packets</summary>
         //PacketEventDictionary packetEvents = new PacketEventDictionary();
         /// <summary>Incoming packets that are awaiting handling</summary>
-        private OpenMetaverse.BlockingQueue<IncomingPacket> packetInbox = new OpenMetaverse.BlockingQueue<IncomingPacket>();
+        //private OpenMetaverse.BlockingQueue<IncomingPacket> packetInbox = new OpenMetaverse.BlockingQueue<IncomingPacket>();
+
+        private DoubleQueue<IncomingPacket> packetInbox = new DoubleQueue<IncomingPacket>();
+
         /// <summary></summary>
         //private UDPClientCollection m_clients = new UDPClientCollection();
         /// <summary>Bandwidth throttle for this UDP server</summary>
@@ -919,7 +922,12 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             #endregion Ping Check Handling
 
             // Inbox insertion
-            packetInbox.Enqueue(new IncomingPacket((LLClientView)client, packet));
+            if (packet.Type == PacketType.AgentUpdate ||
+                packet.Type == PacketType.ChatFromViewer)
+                packetInbox.EnqueueHigh(new IncomingPacket((LLClientView)client, packet));
+            else
+                packetInbox.EnqueueLow(new IncomingPacket((LLClientView)client, packet));
+//            packetInbox.Enqueue(new IncomingPacket((LLClientView)client, packet));
         }
 
         #region BinaryStats
@@ -1471,8 +1479,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             Packet packet = incomingPacket.Packet;
             LLClientView client = incomingPacket.Client;
 
-            if (client.IsActive)
-            {
+//            if (client.IsActive)
+//            {
                 m_currentIncomingClient = client;
 
                 try
@@ -1499,13 +1507,13 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 {
                     m_currentIncomingClient = null;
                 }
-            }
-            else
-            {
-                m_log.DebugFormat(
-                    "[LLUDPSERVER]: Dropped incoming {0} for dead client {1} in {2}",
-                    packet.Type, client.Name, m_scene.RegionInfo.RegionName);
-            }
+//            }
+//            else
+//            {
+//                m_log.DebugFormat(
+//                    "[LLUDPSERVER]: Dropped incoming {0} for dead client {1} in {2}",
+//                    packet.Type, client.Name, m_scene.RegionInfo.RegionName);
+//            }
         }
 
         protected void LogoutHandler(IClientAPI client)
@@ -1519,4 +1527,112 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             }
         }
     }
+
+    internal class DoubleQueue<T> where T:class
+    {
+        private Queue<T> m_lowQueue = new Queue<T>();
+        private Queue<T> m_highQueue = new Queue<T>();
+
+        private object m_syncRoot = new object();
+        private Semaphore m_s = new Semaphore(0, 1);
+
+        public DoubleQueue()
+        {
+        }
+
+        public virtual int Count
+        {
+            get { return m_highQueue.Count + m_lowQueue.Count; }
+        }
+
+        public virtual void Enqueue(T data)
+        {
+            Enqueue(m_lowQueue, data);
+        }
+
+        public virtual void EnqueueLow(T data)
+        {
+            Enqueue(m_lowQueue, data);
+        }
+
+        public virtual void EnqueueHigh(T data)
+        {
+            Enqueue(m_highQueue, data);
+        }
+
+        private void Enqueue(Queue<T> q, T data)
+        {
+            lock (m_syncRoot)
+            {
+                m_lowQueue.Enqueue(data);
+                m_s.WaitOne(0);
+                m_s.Release();
+            }
+        }
+
+        public virtual T Dequeue()
+        {
+            return Dequeue(Timeout.Infinite);
+        }
+
+        public virtual T Dequeue(int tmo)
+        {
+            return Dequeue(TimeSpan.FromMilliseconds(tmo));
+        }
+
+        public virtual T Dequeue(TimeSpan wait)
+        {
+            T res = null;
+
+            if (!Dequeue(wait, ref res))
+                return null;
+
+            return res;
+        }
+
+        public bool Dequeue(int timeout, ref T res)
+        {
+            return Dequeue(TimeSpan.FromMilliseconds(timeout), ref res);
+        }
+
+        public bool Dequeue(TimeSpan wait, ref T res)
+        {
+            if (!m_s.WaitOne(wait))
+                return false;
+            
+            lock (m_syncRoot)
+            {
+                if (m_highQueue.Count > 0)
+                    res = m_highQueue.Dequeue();
+                else
+                    res = m_lowQueue.Dequeue();
+
+                if (m_highQueue.Count == 0 && m_lowQueue.Count == 0)
+                    return true;
+
+                try
+                {
+                    m_s.Release();
+                }
+                catch
+                {
+                }
+
+                return true;
+            }
+        }
+
+        public virtual void Clear()
+        {
+
+            lock (m_syncRoot)
+            {
+                // Make sure sem count is 0
+                m_s.WaitOne(0);
+
+                m_lowQueue.Clear();
+                m_highQueue.Clear();
+            }
+        }
+    }
 }