* An attempt to fix mantis #3953

OpenSim/Framework/Servers/HttpServer/BaseHttpServer.cs

@@ -274,7 +274,7 @@ namespace OpenSim.Framework.Servers.HttpServer
         public void OnHandleRequestIOThread(IHttpClientContext context, IHttpRequest request)
         {
             OSHttpRequest req = new OSHttpRequest(context, request);
-            OSHttpResponse resp = new OSHttpResponse(new HttpResponse(context, request));
+            OSHttpResponse resp = new OSHttpResponse(new HttpResponse(context, request),context);
             //resp.KeepAlive = req.KeepAlive;
             //m_log.Info("[Debug BASE HTTP SERVER]: Got Request");
             //HttpServerContextObj objstate= new HttpServerContextObj(req,resp);
@@ -444,6 +444,7 @@ namespace OpenSim.Framework.Servers.HttpServer
                     try
                     {
                         response.Send();
+                        response.FreeContext();
                     }
                     catch (SocketException e)
                     {
@@ -746,6 +747,7 @@ namespace OpenSim.Framework.Servers.HttpServer
                         try
                         {
                             response.Send();
+                            response.FreeContext();
                         }
                         catch (SocketException e)
                         {
@@ -778,6 +780,7 @@ namespace OpenSim.Framework.Servers.HttpServer
                 try
                 {
                     response.Send();
+                    response.FreeContext();
                 }
                 catch (SocketException e)
                 {
@@ -888,6 +891,7 @@ namespace OpenSim.Framework.Servers.HttpServer
                 {
                     response.Send();
                     response.OutputStream.Flush();
+                    response.FreeContext();
                     //response.OutputStream.Close();
                 }
                 catch (IOException e)
@@ -1103,6 +1107,7 @@ namespace OpenSim.Framework.Servers.HttpServer
                     try
                     {
                         response.Send();
+                        response.FreeContext();
                     }
                     catch (SocketException f)
                     {
@@ -1377,7 +1382,11 @@ namespace OpenSim.Framework.Servers.HttpServer
                 //response.OutputStream.Close();
                 try
                 {
+                    response.OutputStream.Flush();
                     response.Send();
+                    
+                    if (!response.KeepAlive)
+                        response.FreeContext();
                 }
                 catch (SocketException e)
                 {
@@ -1414,6 +1423,7 @@ namespace OpenSim.Framework.Servers.HttpServer
                 try
                 {
                     response.Send();
+                    response.FreeContext();
                 }
                 catch (SocketException e)
                 {
@@ -1449,6 +1459,7 @@ namespace OpenSim.Framework.Servers.HttpServer
                 try
                 {
                     response.Send();
+                    response.FreeContext();
                 }
                 catch (SocketException e)
                 {

OpenSim/Framework/Servers/HttpServer/OSHttpResponse.cs

@@ -258,6 +258,7 @@ namespace OpenSim.Framework.Servers.HttpServer
 
 
         protected IHttpResponse _httpResponse;
+        private IHttpClientContext _httpClientContext;
 
         public OSHttpResponse() {}
 
@@ -275,6 +276,12 @@ namespace OpenSim.Framework.Servers.HttpServer
         public OSHttpResponse(OSHttpRequest req)
         {
             _httpResponse = new HttpResponse(req.IHttpClientContext, req.IHttpRequest);
+            _httpClientContext = req.IHttpClientContext;
+        }
+        public OSHttpResponse(HttpResponse resp, IHttpClientContext clientContext)
+        {
+            _httpResponse = resp;
+            _httpClientContext = clientContext;
         }
 
         /// <summary>
@@ -298,5 +305,11 @@ namespace OpenSim.Framework.Servers.HttpServer
             _httpResponse.Send();
             
         }
+        public void FreeContext()
+        {
+            if (_httpClientContext != null)
+                _httpClientContext.Close();
+        }
+        
     }
 }

OpenSim/Framework/Servers/HttpServer/PollServiceRequestManager.cs

@@ -130,7 +130,7 @@ namespace OpenSim.Framework.Servers.HttpServer
             foreach (object o in m_requests)
             {
                 PollServiceHttpRequest req = (PollServiceHttpRequest) o;
-                m_server.DoHTTPGruntWork(req.PollServiceArgs.NoEvents(), new OSHttpResponse(new HttpResponse(req.HttpContext, req.Request)));
+                m_server.DoHTTPGruntWork(req.PollServiceArgs.NoEvents(), new OSHttpResponse(new HttpResponse(req.HttpContext, req.Request), req.HttpContext));
             }
 
             m_requests.Clear();

OpenSim/Framework/Servers/HttpServer/PollServiceWorkerThread.cs

@@ -44,7 +44,7 @@ namespace OpenSim.Framework.Servers.HttpServer
         private readonly BaseHttpServer m_server;
         private BlockingQueue<PollServiceHttpRequest> m_request;
         private bool m_running = true;
-        private int m_timeout = 25000;
+        private int m_timeout = 250;
 
         
 
@@ -71,14 +71,14 @@ namespace OpenSim.Framework.Servers.HttpServer
 
                     Hashtable responsedata = req.PollServiceArgs.GetEvents(req.PollServiceArgs.Id, str.ReadToEnd());
                     m_server.DoHTTPGruntWork(responsedata,
-                                             new OSHttpResponse(new HttpResponse(req.HttpContext, req.Request)));
+                                             new OSHttpResponse(new HttpResponse(req.HttpContext, req.Request),req.HttpContext));
                 }
                 else
                 {
                     if ((Environment.TickCount - req.RequestTime) > m_timeout)
                     {
                         m_server.DoHTTPGruntWork(req.PollServiceArgs.NoEvents(),
-                                                 new OSHttpResponse(new HttpResponse(req.HttpContext, req.Request)));
+                                                 new OSHttpResponse(new HttpResponse(req.HttpContext, req.Request),req.HttpContext));
                     }
                     else
                     {

OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs

@@ -1618,6 +1618,10 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             agentData.lastname = m_lastName;
             
             ICapabilitiesModule capsModule = m_scene.RequestModuleInterface<ICapabilitiesModule>();
+            
+            if (capsModule == null) // can happen when shutting down.
+                return agentData;
+
             agentData.CapsPath = capsModule.GetCapsPath(m_agentId);
             agentData.ChildrenCapSeeds = new Dictionary<ulong,string>(capsModule.GetChildrenSeeds(m_agentId));
 

OpenSim/Region/CoreModules/Framework/EventQueue/EventQueueGetModule.cs

@@ -375,7 +375,7 @@ namespace OpenSim.Region.CoreModules.Framework.EventQueue
             Hashtable responsedata = new Hashtable();
             responsedata["int_response_code"] = 200;
             responsedata["content_type"] = "application/xml";
-            responsedata["keepalive"] = false;
+            responsedata["keepalive"] = true;
             responsedata["str_response_string"] = OSDParser.SerializeLLSDXmlString(events);
             return responsedata;
             //m_log.DebugFormat("[EVENTQUEUE]: sending response for {0} in region {1}: {2}", agentID, m_scene.RegionInfo.RegionName, responsedata["str_response_string"]);
@@ -386,7 +386,7 @@ namespace OpenSim.Region.CoreModules.Framework.EventQueue
             Hashtable responsedata = new Hashtable();
             responsedata["int_response_code"] = 502;
             responsedata["content_type"] = "text/plain";
-            responsedata["keepalive"] = false;
+            responsedata["keepalive"] = true;
             responsedata["str_response_string"] = "Upstream error: ";
             responsedata["error_status_text"] = "Upstream error:";
             responsedata["http_protocol_version"] = "HTTP/1.0";