NetServices: partial implementation of the receive function

This initial implementation contains a lot of extra debuggin output that will
be removed in future changes. It is now possible to run a simple GET request
to the test server with gzip encoding.

Change-Id: I2c402e5cf80b94b366563888222a891a1b094b7a

headers/private/netservices2/HttpResult.h

@@ -10,14 +10,24 @@
 
 #include <String.h>
 
+class BDataIO;
+
 
 namespace BPrivate {
 
 namespace Network {
 
+class BHttpFields;
 struct HttpResultPrivate;
 
 
+struct BHttpBody
+{
+	std::unique_ptr<BDataIO>			target = nullptr;
+	BString								text;
+};
+
+
 struct BHttpStatus
 { 
 	int16			code = 0;
@@ -39,12 +49,12 @@ public:
 
 	// Blocking Access Functions
 	const	BHttpStatus&				Status() const;
-//	BHttpHeaders&						Headers() const;
-//	BHttpBody&							Body() const;
+	const	BHttpFields&				Fields() const;
+			BHttpBody&					Body() const;
 
 	// Check if data is available yet
 			bool						HasStatus() const;
-			bool						HasHeaders() const;
+			bool						HasFields() const;
 			bool						HasBody() const;
 			bool						IsCompleted() const;