// 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:

// @internalAll

// 

//

#ifndef __RSOCKETHANDLER_H__

#define __RSOCKETHANDLER_H__

#include <es_sock.h>

#include <comms-infras/eintsock.h>

#include "sockhandlerdefs.h"

using namespace SockHandler;

class CSocketHandler;

/** 

A SocketHandler observer.

Implementor of this class will be notified on completion of socket operations from a socket handler.

@internalAll

*/

class MSocketHandlerObserver

	{

public:

	virtual void OpenComplete ( RInternalSocket& aSocket ) =0;

	virtual void ConnectComplete () =0;

	virtual void AcceptComplete ( RInternalSocket& aSocket ) =0;

	virtual void SendComplete ( TInt aLength ) =0;

	virtual void SendToComplete ( TInt aLength ) =0;

	virtual void RecvComplete ( RMBufChain& aData ) =0;

	virtual void RecvFromComplete ( RMBufChain& aData, const TSockAddr& aAddr ) =0;

//	virtual void IoctlComplete () =0;

	virtual void Error ( TOperation aOperation, TInt aError  ) =0;

	};

/**

@internalAll

*/

class RSocketHandler

	{

	public:

	IMPORT_C RSocketHandler ( MSocketHandlerObserver& aObserver );

	IMPORT_C void Attach ( RInternalSocket& aSocket );

	IMPORT_C void Connect ( const TSockAddr& aAddr );

	IMPORT_C void Accept ();

	IMPORT_C void Send ( RMBufChain& aData );

	IMPORT_C void SendTo ( const RMBufChain& aData, TSockAddr& aAddr );

	IMPORT_C void Recv ();

	IMPORT_C void RecvFrom ();

//	IMPORT_C void Send ( const TDesC8& aData );

//	IMPORT_C void SendTo ( const TDesC8& aData, TSockAddr& aAddr );

//	IMPORT_C void Ioctl ( TUint aCommand, TDes8* aData = 0, TUint aLevel = KLevelUnspecified );

//	IMPORT_C void Cancel ( TOperation aOperation );

	IMPORT_C void CancelAll ();

	private:

	CSocketHandler* FreeSocketHandler ( TOperation aOperation );

	CSocketHandler* ActiveSocketHandler ( TOperation aOperation );

	void ActivateSocketHandler ( TSocketHandlerParams& aParams );

	private:

	RInternalSocket					iSocket;			// Socket to perform operations. Not owned.

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

	RPointerArray < CSocketHandler > iSocketHandlers;	// Number of socket handlers

	TUint32							iReserved [ 2 ];	// reserved

	};

#endif // __RSOCKETHANDLER_H__