Implement logging of first 80 characters (debug level 5) or full body data (debug level 6) on outgoing requests, depending on debug level

This is set via "debug http out <level>"
This matches the existing debug level behaviours for logging incoming http data

OpenSim/Framework/Servers/MainServer.cs

@@ -121,12 +121,14 @@ namespace OpenSim.Framework.Servers
                     + "  level >= 2 then long warnings are logged when receiving bad input data.\n"
                     + "  level >= 3 then short notices about all incoming non-poll HTTP requests are logged.\n"
                     + "  level >= 4 then the time taken to fulfill the request is logged.\n"
-                    + "  level >= 5 then a sample from the beginning of the incoming data is logged.\n"
-                    + "  level >= 6 then the entire incoming data is logged.\n"
+                    + "  level >= 5 then a sample from the beginning of the data is logged.\n"
+                    + "  level >= 6 then the entire data is logged.\n"
                     + "  no level is specified then the current level is returned.\n\n"
                     + "If out or all and\n"
                     + "  level >= 3 then short notices about all outgoing requests going through WebUtil are logged.\n"
-                    + "  level >= 4 then the time taken to fulfill the request is logged.\n",
+                    + "  level >= 4 then the time taken to fulfill the request is logged.\n"
+                    + "  level >= 5 then a sample from the beginning of the data is logged.\n"
+                    + "  level >= 6 then the entire data is logged.\n",
                 HandleDebugHttpCommand);
         }
 

OpenSim/Framework/WebUtil.cs

@@ -151,6 +151,39 @@ namespace OpenSim.Framework
             }
         }
 
+        public static void LogOutgoingDetail(Stream outputStream)
+        {
+            using (StreamReader reader = new StreamReader(Util.Copy(outputStream), Encoding.UTF8))
+            {
+                string output;
+
+                if (DebugLevel == 5)
+                {
+                    const int sampleLength = 80;
+                    char[] sampleChars = new char[sampleLength];
+                    reader.Read(sampleChars, 0, sampleLength);
+                    output = new string(sampleChars);
+                }
+                else
+                {
+                    output = reader.ReadToEnd();
+                }
+
+                LogOutgoingDetail(output);
+            }
+        }
+
+        public static void LogOutgoingDetail(string output)
+        {
+            if (DebugLevel == 5)
+            {
+                output = output.Substring(0, 80);
+                output = output + "...";
+            }
+
+            m_log.DebugFormat("[WEB UTIL]: {0}", output.Replace("\n", @"\n"));
+        }
+
         private static OSDMap ServiceOSDRequestWorker(string url, OSDMap data, string method, int timeout, bool compressed)
         {
             int reqnum = RequestNumber++;
@@ -178,7 +211,11 @@ namespace OpenSim.Framework
                 // If there is some input, write it into the request
                 if (data != null)
                 {
-                    strBuffer =  OSDParser.SerializeJsonString(data);
+                    strBuffer = OSDParser.SerializeJsonString(data);
+
+                    if (DebugLevel >= 5)
+                        LogOutgoingDetail(strBuffer);
+
                     byte[] buffer = System.Text.Encoding.UTF8.GetBytes(strBuffer);
 
                     if (compressed)
@@ -357,6 +394,10 @@ namespace OpenSim.Framework
                 if (data != null)
                 {
                     queryString = BuildQueryString(data);
+
+                    if (DebugLevel >= 5)
+                        LogOutgoingDetail(queryString);
+
                     byte[] buffer = System.Text.Encoding.UTF8.GetBytes(queryString);
                     
                     request.ContentLength = buffer.Length;
@@ -767,6 +808,9 @@ namespace OpenSim.Framework
                 int length = (int)buffer.Length;
                 request.ContentLength = length;
 
+                if (WebUtil.DebugLevel >= 5)
+                    WebUtil.LogOutgoingDetail(buffer);
+
                 request.BeginGetRequestStream(delegate(IAsyncResult res)
                 {
                     Stream requestStream = request.EndGetRequestStream(res);
@@ -954,6 +998,9 @@ namespace OpenSim.Framework
                     length = (int)obj.Length;
                     request.ContentLength = length;
 
+                    if (WebUtil.DebugLevel >= 5)
+                        WebUtil.LogOutgoingDetail(buffer);
+
                     Stream requestStream = null;
                     try
                     {
@@ -1096,6 +1143,9 @@ namespace OpenSim.Framework
                 int length = (int)buffer.Length;
                 request.ContentLength = length;
 
+                if (WebUtil.DebugLevel >= 5)
+                    WebUtil.LogOutgoingDetail(buffer);
+
                 Stream requestStream = null;
                 try
                 {
@@ -1198,4 +1248,4 @@ namespace OpenSim.Framework
             return deserial;
         }
     }
-}
+}