// Copyright (c) 1997-2009 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 __SIMNTRAS_H__

#define __SIMNTRAS_H__

/**

 * @file

 * Header for NTRAS access class.

 * @internalAll

 */

#include "CSimSerComm.h"

#include "csimtimer.h"

#include "CSimPhone.h"

_LIT(KDefaultCsyName,"ECUART.CSY");			//< Default CSY

_LIT(KDefaultPortName,"COMM::0");			//< Default port name

_LIT(KDefaultSetting,"DEF");				//< Default commSettings (context independent)

const TBps KDefaultCommPortRate=EBps115200;	//< Default data rate

const TUint KDefaultHandshake=20;			//< Default handshaking

const TInt KReadBufferSize=10;		// < Read buffer size - used for storing the results from a single read request.

const TInt KInputBufferSize=100;	// < Input buffer size - used for accumulating the received data from the NTRas server.

class MNTRasCallBack;

/**

 * This class attempts an NTRas connection given a set of port and configuration settings.

 */

class CSimNtRas : public CBase, MComm, MTimerCallBack

	{

public:

	static CSimNtRas* NewL(CSimPhone* aPhone);

	~CSimNtRas();

	TInt Connect(const TDesC& aCsyName, const TDesC& aPort,

				 const TCommConfigV01& aConfig, MNTRasCallBack* aCallback);

	void Cancel();

	void Terminate();

private:

	CSimNtRas(CSimPhone* aPhone);

	void ConstructL();

	void TimerCallBack(TInt aId);

	void CommReadComplete(TInt aStatus);

	void CommWriteComplete(TInt aStatus);

	void AttemptConnect();

private:

	CSimPhone* iPhone;

	MComm* iComm;						// < Pointer to Comm Port read/write class

	CSimTimer* iTimer;					// < Pointer to timer class

	MNTRasCallBack* iCallback;			// < Pointer to callback class to be used when connection attempt has completed.

	TBuf8<KReadBufferSize> iReadBuf;	// < Read buffer - used to store the results from a single read request.

	TBuf8<KInputBufferSize> iInputBuf;	// < Input buffer - used to accumulate the received data from the NTRas server.

	TBool iPortOpen;					// < Flag indicating the open status of the port.

	TInt iAttemptCnt;					// < Transmission retry counter

	};

/**

 * This mixin class contains the pure virtual function that is used when the NTRas

 * connection attempt completes.

 */

class MNTRasCallBack

	{

public:

	virtual void NTRasCallBack(TInt aStatus)=0;

	};

#endif