// 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:

// loop6.h - loopback interface for IPv6

//

/**

 @internalComponent

*/

#ifndef __LOOP6_H__

#define __LOOP6_H__

//

// In Epoc R6 nifman.h has been split, CNifIfBase definition has been moved

// into <comms-infras/nifif.h>. 

//

#include <nifman.h>

#	include <comms-infras/nifif.h>	// ..for CNifIfBase in Epoc R6 and later

#include <nifmbuf.h>

const TUint KProtocolInet6Loop = 0x1F00;	// Virtual

class CIfLoop6 : public CNifIfBase

{

    public:

	CIfLoop6();

	virtual void ConstructL(const TDesC& aTag);

	~CIfLoop6();

	static CIfLoop6* NewL(const TDesC& aTag);

	virtual void BindL(TAny *aId);

	virtual TInt State();

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

	virtual void Info(TNifIfInfo& aInfo) const;

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

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

	{

		return KErrNone;

	};  

    protected:

	virtual void DoSend();

	virtual void DoProcess();

	void Loop(RMBufPacket& aTxPkt, RMBufPacket& aRxPkt);

    private:

	static TInt RecvCallBack(TAny* aCProtocol);

	static TInt SendCallBack(TAny* aCProtocol);

    protected:

	CProtocolBase* iNetwork;

	RMBufPktQ iSendQ;

	RMBufPktQ iRecvQ;

	CAsyncCallBack* iSendCallBack;

	CAsyncCallBack* iRecvCallBack;

    private:

	HBufC* iIfaceName;

	TInt iIfaceMTU;

};

#endif