diff -r 000000000000 -r b16258d2340f applayerpluginsandutils/httptransportplugins/httptransporthandler/msocketcontroller.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/applayerpluginsandutils/httptransportplugins/httptransporthandler/msocketcontroller.h	Tue Feb 02 01:09:52 2010 +0200
@@ -0,0 +1,88 @@
+// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#ifndef __MSOCKETCONTROLLER_H__
+#define __MSOCKETCONTROLLER_H__
+
+#include <e32std.h>
+
+class MSocketController
+/**	
+	The observer API for the socket reader and writer. Is used by the socket 
+	reader or writer to notify the socket controller of when either the input or
+	output stream has been closed. It also provides name and port info for the
+	remote host.
+	@internalComponent
+	@see		CInputStream
+*/
+	{
+public:	// enums
+
+/**	
+	The TStremaType enumerates the types of streams.
+*/
+	enum TStreamType
+		{
+		/**	The input stream.
+		*/
+		EInputStream		= 0,
+		/**	The output stream.
+		*/
+		EOutputStream
+		};	
+
+public:	// methods
+
+/**	
+	This notifies the socket controller that either the input or the output 
+	stream is closed. That stream is no longer valid.
+	@param		aError		The error code explaining why the stream has closed.
+							A value of KErrNone indicates that the stream 
+							observer requested that the stream be closed.
+	@param		aStreamType	The stream that has been closed.
+*/
+	virtual void StreamClosed(TInt aError, MSocketController::TStreamType aStreamType) =0;
+
+/**	
+	This notifies the socket controller that either the input or the output 
+	stream is suspended. The socket controller should suspend activity on the
+	other stream.
+	@param		aStreamType	The stream that has been suspended.
+*/
+	virtual void StreamSuspend(MSocketController::TStreamType aStreamType) =0;
+
+/**	
+	This notifies the socket controller that either the input or the output 
+	stream has resumed. The socket controller should resume activity on the
+	other stream.
+	@param		aStreamType	The stream that has resumed.
+*/
+	virtual void  StreamResume(MSocketController::TStreamType aStreamType) =0;
+
+/**
+	Provides name and port info for the remote host and the local port that the 
+	connection is established on. This functionality is only available in debug 
+	builds and therefore this function should only be used in debug builds.
+	@param		aRemoteHost	The output buffer to hold the remote host name.
+	@param		aRemotePort	The output argument for the remote host port.
+	@param		aLocalPort	The output argument for the local port.
+	@panic		EInvariantFalse	The function has been called in a release build.
+*/
+	virtual void ConnectionInfo(TDes8& aRemoteHost, TUint16& aRemotePort, TUint16& aLocalPort) =0;
+
+	};
+
+#endif	// __MSOCKETCONTROLLER_H__
+