fixed SF# 1956300: HTTPServerConnection hanging

Net/include/Poco/Net/HTTPSession.h

@@ -1,7 +1,7 @@
 //
 // HTTPSession.h
 //
-// $Id: //poco/svn/Net/include/Poco/Net/HTTPSession.h#2 $
+// $Id: //poco/Main/Net/include/Poco/Net/HTTPSession.h#5 $
 //
 // Library: Net
 // Package: HTTP
@@ -140,6 +140,9 @@ protected:
 
 	int receive(char* buffer, int length);
 		/// Reads up to length bytes.
+		
+	int buffered() const;
+		/// Returns the number of bytes in the buffer.
 
 	StreamSocket& socket();
 		/// Returns a reference to the underlying socket.
@@ -208,6 +211,12 @@ inline const Poco::Exception* HTTPSession::networkException() const
 }
 
 
+inline int HTTPSession::buffered() const
+{
+	return static_cast<int>(_pEnd - _pCurrent);
+}
+
+
 } } // namespace Poco::Net