// 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:

// ip6_frag.h - hooks for IPv6 fragment header

// The handler for IPv6 Fragment Header

//

/**

 @internalComponent

*/

#ifndef __IP6_FRAG_H__

#define __IP6_FRAG_H__

#include <in_bind.h>

class CFragmentHeaderHook : public CIp6Hook

	{

public:

	CFragmentHeaderHook(MNetworkService *aNetwork) : iNetwork(aNetwork) {}

	~CFragmentHeaderHook() {}

	static CFragmentHeaderHook *NewL(MNetworkService *aNetwork);

	/**

	* Fragments complete IPv4 or IPv6 packet into fragments.

	*

	* When called, it has been determined that the packet needs

	* to be fragmented.

	*

	* @param aPacket	The packet

	* @param aMtu		The MTU (max frag size)

	* @retval aFragQ	The fragmented result.

	*/

	virtual void Fragment(RMBufPacketBase &aPacket, TInt aMtu, RMBufPktQ &aFragQ) = 0;

	/**

	* Adds a new IPv4 fragment into reassembly.

	*

	* @param aPacket	The fragment packet

	* @param aInfo		The info associated with the fragment

	* @param aHdr		The IPv4 header of the fragment

	*/

	virtual TInt Ip4ApplyL(RMBufRecvPacket &aPacket, RMBufRecvInfo &aInfo, const TInet6HeaderIP4 &aHdr) = 0;

	virtual void ConstructL() = 0;

protected:

	MNetworkService *iNetwork;

	};

#endif