// Copyright (c) 2002-2009 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:

// This file defines the CIPv4ProtocolIf class, which handles the transmission

// of IPv4 data to and from the TCP/IP stack.

// 

//

/**

 @file

*/

#ifndef IPV4PROTOCOLIF_H__

#define IPV4PROTOCOLIF_H__

#include "ProtocolIfBase.h"

class CBttLogger;

class CIPv4ProtocolIf : public CProtocolIfBase

{

public:

	CIPv4ProtocolIf(CRawIPNifMain& aNifMain, CBttLogger* aTheLogger);

	~CIPv4ProtocolIf();

public:	//NifIfBase support.

	virtual void BindL(TAny *aId);

	virtual TInt Control(TUint aLevel,TUint aName,TDes8& aOption, TAny* aSource);

	virtual TInt Send(RMBufChain& aPdu, TAny* aSource);

	virtual void Info(TNifIfInfo& aInfo) const;

	virtual TInt Notification(TAgentToNifEventType aEvent, void * aInfo);

	virtual void StartSending(CProtocolBase* aProtocol);

	virtual TBool WantsProtocol(TUint16 aProtocolCode);

	virtual void Process(RMBufChain& aPdu);

	virtual void UpdateContextConfigL(const RPacketContext::TContextConfigGPRS&

		aConfig);

	virtual void UpdateConnectionSpeed(TUint aConnectionSpeed);

	// Define the class that will hold the IPv4 setting required by the Nif.

	class TIPv4Settings

		{

	public:

		// As this is IPv4, all addresses are 32-bit.

		TUint32	iLocalAddr;

		TUint32	iNetMask;

		TUint32	iBroadcastAddr;

		TUint32	iDefGateway;

		TUint32	iPrimaryDns;

		TUint32	iSecondaryDns;

		TBool iGetGatewayFromServer;

		TBool iGetDnsFromServer;

		};

private:

	void ReadCommDbGprsSettingsL();

	void ReadIPv4SettingL(const TDesC& aFieldName, TUint32& aIpAddr);

	TInt WriteIfConfig(TDes8& aIfConfig);

	TInt WriteIfInfo(TDes8& aIfInfo);

	TInt WriteConnectionInfo(TDes8& aConnectionInfo);

#ifdef WCDMA_STUB

	TInt DeleteContext(TDes8& aContextParameters);

#endif

	inline void WriteIfName(TDes& aName) const;

#ifdef __BTT_LOGGING__

	void LogPacket(const RMBufChain& aPacket);

#endif // __BTT_LOGGING__

private: //unowned

	CBttLogger* iTheLogger;

private: //owned

	TIPv4Settings iSettings;

	TUint iSpeedMetric;

};

void CIPv4ProtocolIf::WriteIfName(TDes& aName) const

/**

 * Used to uniquely identify the current Nif instance

 *

 * @param aName Descriptor that will be initialised.

 */

	{

	aName.Format(_L("%S[0x%X]"), &KIPv4ProtocolIfName, this);

	}

#endif // IPV4PROTOCOLIF_H__