// Copyright (c) 2004-2009 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:

// Defines the interface to the BCA interface

// 

//

/**

 @file 

*/

#ifndef BCAIOCONTROLLER_H

#define BCAIOCONTROLLER_H

#include <e32base.h>

#include <c32comm.h>

#include <networking/bca.h>

#include <networking/bcafactory.h>

#include "BcaController.h"

using namespace BasebandChannelAdaptation;

class CBttLogger;

class CSender;

class CReceiver;

class CBcaControl;

/** 

@internalComponent 

*/	

void Panic(TRawIPNifPanic aPanic);

/**

@internalComponent

*/

typedef MBcaFactory* (*TNewBcaFactoryL)();

/** 

@internalComponent 

*/	

class CBcaIoController : public CBcaController

	{

public:

	CBcaIoController(MControllerObserver& aObserver, CBttLogger* aTheLogger);

	static CBcaIoController* NewL(MControllerObserver& aObserver, CBttLogger* aTheLogger);

	void ConstructL();

	~CBcaIoController();

public:

	void StartL();

	void Stop(TInt aError = KErrNone);

public:  // Process Down/Up stack data packets 

	void BcaProcess(TDesC8& aPdu);

	void BcaSend(RMBufChain& aPdu);

	void BcaSendComplete();

public:

	inline CSender& Sender();

	inline CReceiver& Receiver();

	inline TUint Nsapi();

	void SetBcaStackAndName(const TDesC& aBcaStack, const TDesC& aBcaName);

	inline TPtrC BcaStack()const;

	inline TPtrC BcaName()const;

	inline MBca* Bca();

	inline void SetBca(MBca* aBca);

	inline void SetPort(const TDesC& aPortName);

	inline TPtrC Port() const;

	inline void SetIapId(TUint32 aIapId);

	inline TUint32 IapId();

	TInt BcaSendBufferLength();

private:

	void InitialiseBcaL();

private: // Flow Control

	void ResumeSending();

private: // Unowned data.

	/** Pointer to the BCA */

   	MBca* iMBca;

	/** used to send data*/

	CSender* iSender;

	/** used to receive data*/

	CReceiver* iReceiver;

	/** used to load, open and close the BCA*/

	CBcaControl* iLoader;

	/** IAP ID used to open CommDB*/

	TUint32 iIapId;

	/** Bca name*/

	TPtrC iBcaName;

	/** Bca Stack*/

	TPtrC iBcaStack;

	/** CommPort Name*/

	TPtrC iCommPort;

	};

inline CSender& CBcaIoController::Sender()

/**

 * Returns reference to CSender object

 *

 * @return iSender The CSender reference

 */

	{

	return *iSender;

	}

inline CReceiver& CBcaIoController::Receiver()

/**

 * Returns reference to CReceiver object

 *

 * @return iReceiver The CReceiver reference

 */

	{

	return *iReceiver;

	}

/** returns the BCA Stack*/

inline TPtrC CBcaIoController::BcaStack()const

	{

	return iBcaStack;

	}

/** returns the BCA name*/

inline TPtrC CBcaIoController::BcaName()const

	{

	return iBcaName;

	}

/** retrurns the BCA pointer.*/	

inline MBca* CBcaIoController::Bca()

	{

	return iMBca;

	}

/** sets the BCA pointer.

* @param aBca BCA pointer.

*/

inline void CBcaIoController::SetBca(MBca* aBca)

	{

	iMBca = aBca;

	}

/** sets the IAP ID

* @param aIapId IAP ID to be set.

*/	

inline void CBcaIoController::SetIapId(TUint32 aIapId)

	{

	iIapId = aIapId;

	}

/** returns the IAP ID*/	

inline TUint32 CBcaIoController::IapId()

	{

	return iIapId;

	}

/** sets the port name

* @param aPortName port name to be set.

*/	

inline void CBcaIoController::SetPort(const TDesC& aPortName)

	{

	iCommPort.Set(aPortName);

	}

/** returns the port name*/	

inline TPtrC CBcaIoController::Port()const

	{

	return iCommPort;

	}

/** class used to load, open and shutdown the BCA and also start and shutdown the NIF.

@internalComponent 

*/

class CBcaControl : public CActive

	{

public:

	CBcaControl(CBcaIoController& aObserver, CBttLogger* aTheLogger);

	~CBcaControl();

public:

	void StartLoadL();

	void ShutdownBca(TInt aError);

    inline MBca* Bca();

protected:

	// Inherited from CActive.

	virtual void RunL();

	virtual void DoCancel();	

private: // Unowned data.

	CBcaIoController& iObserver;

	CBttLogger* iTheLogger;

private:

		enum TBcaState

		{

		/** Bca ready to start */

		EIdling,

		/** Bca to be closed*/

		EClosing,

		/** Bca IAP is set*/

		EIAPSet,

		/** Bca stack is set*/

		EBcaStackSet

		};

private:

	/** BCA owned by NIF*/	

	MBca* iMBca;

	/** used to load library*/

	TAutoClose<RLibrary> iBcaDll;

	/** BCA state*/

	TBcaState iState;

	/** NIF shut down error*/

	TInt iError; 

	};

/** returns the BCA pointer. */	

inline MBca* CBcaControl::Bca()

	{

	return iMBca;

	}	

#endif // BCAIOCONTROLLER_H