// Copyright (c) 2003-2009 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:

//

/**

 @file

 @internalComponent 

*/

#ifndef __NCPIP6_H__

#define __NCPIP6_H__

#include <eui_addr.h>	// TE64Addr

#include <comms-infras/ss_protflow.h>

#include <comms-infras/es_protbinder.h>

#include <networking/ppplcp.h>

#include <networking/pppbase.h>

#include <comms-infras/commsdebugutility.h>

const TUint KPpp6MajorVersionNumber=0;

const TUint KPpp6MinorVersionNumber=1;

const TUint KPpp6BuildVersionNumber=1;

const TUint KIp6cpSendPriority = 10;

const TUint KPppIdIp6cp = 0x8057;

const TUint KPppIdIp6 = 0x0057;

const TUint8 KPppIp6cpOptInterfaceIdentifier = 1;

const TUint8 KPppIp6cpOptCompressionProtocol = 2;

NONSHARABLE_CLASS(CPppBinderIp6) : public CBase, public MPppFsm,

								   public ESock::MLowerDataSender, public ESock::MLowerControl

/**

Implements IPCP and support for IP datagrams (RFC 1332)

@internalComponent

*/

	{

public:

   	static CPppBinderIp6* NewL(CPppLcp* aLcp);

	~CPppBinderIp6();

    //-=========================================================

    // MLowerDataSender methods

    //-=========================================================

	virtual ESock::MLowerDataSender::TSendResult Send(RMBufChain& aPdu);

    //-=========================================================

	// MLowerControl methods

    //-=========================================================

	virtual TInt GetName(TDes& aName);

	virtual TInt BlockFlow(ESock::MLowerControl::TBlockOption /*aOption*/);

    virtual TInt GetConfig(TBinderConfig& aConfig);

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

    //-=========================================================

    // Callthrough from MFlowBinderControl instance

    //-=========================================================

    ESock::MLowerDataSender* BindL(ESock::MUpperDataReceiver& aUpperReceiver, ESock::MUpperControl& aControl);

    void UnBind(ESock::MUpperDataReceiver& aUpperReceiver, ESock::MUpperControl& aControl);

	TBool MatchesUpperControl(const ESock::MUpperControl* aUpperControl) const;

#if EPOC_SDK >= 0x06010000

	TInt Notification(TAgentToNifEventType aEvent);

#endif

	void SendFlowOn();

    void Error(TInt aError);

	void RecvIp(RMBufChain& aPacket);

	void Ip6FrameError();

	void Ip6KillProtocol();

protected:

	virtual TInt FsmLayerStarted();

	virtual void FsmLayerFinished(TInt aReason = KErrNone);

	virtual void FsmLayerUp();

	virtual void FsmLayerDown(TInt aReason = KErrNone);

	virtual void FsmFillinConfigRequestL(RPppOptionList& aRequestList);

	virtual void FsmCheckConfigRequest(RPppOptionList& aRequestList, RPppOptionList& aAckList, RPppOptionList& aNakList, RPppOptionList& aRejList);

	virtual void FsmApplyConfigRequest(RPppOptionList& aRequestList);

	virtual void FsmRecvConfigAck(RPppOptionList& aReplyList);

	virtual void FsmRecvConfigNak(RPppOptionList& aReplyList, RPppOptionList& aReqList);

	virtual void FsmRecvConfigReject(RPppOptionList& aReplyList, RPppOptionList& aReqList);

	virtual void FsmTerminationPhaseComplete();

	virtual TBool FsmRecvUnknownCode(TUint8 aCode, TUint8 aId, TInt aLength, RMBufChain& aPacket);

	virtual void KillProtocol();

    private:

	static TInt SendCallBack(TAny* aCProtocol);

	void DoSend();

private:

   	CPppBinderIp6(CPppLcp* aLcp);

	void  ConstructL();

	inline CPppLcp* Flow();

private:

    //-=========================================================

    // Layer infrastructure

    //-=========================================================

    CPppLcp* iPppNifSubConnectionFlow;

	ESock::MUpperDataReceiver* iUpperReceiver;

    ESock::MUpperControl* iUpperControl;

//	CProtocolBase* iNetwork;

	RMBufPktQ iSendQ;

	CAsyncCallBack* iSendCallBack;

	ESock::MLowerDataSender::TSendResult iLowerFlowOn;

	ESock::MLowerDataSender::TSendResult iUpperFlowOn;

	TPppExtraRecvr<CPppBinderIp6> iIpRecvr;

	TE64Addr iLocalIfId;

	TE64Addr iRemoteIfId;

	TIp6Addr iPrimaryDns;

	TIp6Addr iSecondaryDns;

	TInterfaceName iIfName;

    __FLOG_DECLARATION_MEMBER;

};

//

// Inline functions

//

CPppLcp* CPppBinderIp6::Flow()

	{

	return iPppNifSubConnectionFlow;

	}

#endif