// Copyright (c) 2008-2009 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:

// @internalTechnology

// 

//

#ifndef __CSOCKETHANDLER_H__

#define __CSOCKETHANDLER_H__

#include <e32base.h>

#include <e32cmn.h>

#include <es_mbuf.h>

#include <es_sock.h>

#include <sockhandlerdefs.h>

#include <eintsock.h>

// Forward class references.

class MSocketHandlerObserver;

using namespace SockHandler;

/**

This is an active object which performs all the asynchronous operations of RInternalSocket. 

On completion of the operation CSocketHandler will notify its observer.

@internalComponent

*/

class CSocketHandler : public CActive

	{

	public:

		CSocketHandler ( RInternalSocket& aSocket, MSocketHandlerObserver& aObserver );

		CSocketHandler ( MSocketHandlerObserver& aObserver );

		~CSocketHandler ();

		void Activate ( const TSocketHandlerParams& aParams );

		TBool IsRunning ( TOperation aOperation );

	protected:	

		// CActive overloads

		void RunL ();

		void DoCancel ();

	private:

		void NotifyCompletion ();

		void CancelCurrent ();

		void CompleteSelf ( TInt aError );

	private:

		RInternalSocket				iSocket;

		MSocketHandlerObserver&		iObserver;	// Observer for socket operational success completion & error conditons

		TOperation					iOperation;

		RMBufChain					iBufChain;

		TSockAddr					iSockAddr;

		RInternalSocket				iAcceptingSocket;

		TSockXfrLength 				iLength;

	};

#endif // __CSOCKETHANDLER_H__