timestamp http requests

OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpClientContext.cs

@@ -197,6 +197,7 @@ namespace OSHttpServer
             m_currentRequest.UriPath = e.UriPath;
             m_currentRequest.AddHeader("remote_addr", LocalIPEndPoint.Address.ToString());
             m_currentRequest.AddHeader("remote_port", LocalIPEndPoint.Port.ToString());
+            m_currentRequest.ArrivalTS = ContextTimeoutManager.GetTimeStamp();
 
             FirstRequestLineReceived = true;
             TriggerKeepalive = false;

OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpRequest.cs

@@ -204,6 +204,7 @@ namespace OSHttpServer
         /// </summary>
         public RequestCookies Cookies { get; private set; }
 
+        public double ArrivalTS { get; set;}
         ///<summary>
         ///Creates a new object that is a copy of the current instance.
         ///</summary>

OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpResponse.cs

@@ -26,6 +26,7 @@ namespace OSHttpServer
         public byte[] RawBuffer { get; set; }
         public int RawBufferStart { get; set; }
         public int RawBufferLen { get; set; }
+        public double RequestTS { get; private set; }
 
         internal byte[] m_headerBytes = null;
 
@@ -45,6 +46,7 @@ namespace OSHttpServer
             m_context = request.Context;
             m_Connetion = request.Connection;
             requestID = request.ID;
+            RequestTS = request.ArrivalTS;
             RawBufferStart = -1;
             RawBufferLen = -1;
         }

OpenSim/Framework/Servers/HttpServer/OSHttpServer/IHttpRequest.cs

@@ -138,5 +138,6 @@ namespace OSHttpServer
 
         IPEndPoint LocalIPEndPoint { get; }
         IPEndPoint RemoteIPEndPoint { get; }
+        double ArrivalTS { get; set; }
     }
 }

OpenSim/Framework/Servers/HttpServer/OSHttpServer/IHttpResponse.cs

@@ -38,6 +38,7 @@ namespace OSHttpServer
         int RawBufferStart { get; set; }
         int RawBufferLen { get; set; }
         uint requestID { get; }
+        double RequestTS { get;}
 
         /// <summary>
         /// Defines the version of the HTTP Response for applications where it's required