// 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:

//

#if (!defined __DUMMYNIF_H__)

#define __DUMMYNIF_H__

#include <comms-infras/nifif.h>

#include <nifutl.h>

#include <ip4_hdr.h>

#include <ip6_hdr.h>

#include <udp_hdr.h>

#include <in_iface.h>

#include <eui_addr.h>	// TE64Addr

#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS

#include <comms-infras/nifprvar_internal.h>

#endif

class RMBuf;

// Delay pipe is implemented is implemented as circ buffer of RMBuf*, each being the start of chain that

// the stack transmitted. A NULL terminates a series considered to be simultaneous, the whole queue being

// primed with a few NULLs to get things slow starting (maybe)

const TInt KDelayQuantum = 100 * 1000;

const TInt KDelaySlots = 0;

const TInt KDelayQueueSize = 1000;

class CDummyIfLink;

class CDummyIf4 : public CNifIfBase

/**

IPv4 interface binder

@internalComponent

*/

	{

	friend class CDummyIfLink;

public:

	CDummyIf4(CDummyIfLink& aLink);

	~CDummyIf4();

    virtual void BindL(TAny *aId);

	virtual TInt Send(RMBufChain& aPdu, TAny* aSource=0);

	virtual void Info(TNifIfInfo& aInfo) const;

	virtual TInt Control(TUint, TUint, TDes8&, TAny*);

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

	virtual void Recv(RMBufChain& aPdu);

	virtual TInt State();

private:

	void UpdateHeaders(TInet6HeaderIP4* aIp4, TInet6HeaderUDP* aUdp);

	static TInt DrainNextDrips(TAny* aSelf);

protected:

	TUint32 iLocalAddressBase;

	TUint32 iLocalAddress;

	CProtocolBase* iProtocol;

	TInterfaceName iIfName;

private:

	CDummyIfLink* iLink;

	};

class CDummyIf6 : public CNifIfBase

/**

IPv6 interface binder

@internalComponent

*/

	{

	friend class CDummyIfLink;

public:

	CDummyIf6(CDummyIfLink& aLink);

	// Inherited virtual methods from CNifIfBase

    virtual void BindL(TAny *aId);

	virtual TInt Send(RMBufChain& aPdu, TAny* aSource=0);

	virtual void Info(TNifIfInfo& aInfo) const;

	virtual TInt Control(TUint, TUint, TDes8&, TAny*);

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

	virtual void Recv(RMBufChain& aPdu);

	virtual TInt State();

private:

	void UpdateHeaders(TInet6HeaderIP* aIp6, TInet6HeaderUDP* aUdp);

	void StaticDnsConfiguration();

	TInt PresetAddr(TIp6Addr& aAddr, const TDesC& aVarName);

protected:

	TE64Addr iLocalIfId;

	TE64Addr iRemoteIfId;

	TIp6Addr iPrimaryDns;

	TIp6Addr iSecondaryDns;

	CProtocolBase* iProtocol;

	TInterfaceName iIfName;

private:

	CDummyIfLink* iLink;

	};

class CDummyIfFactory;

class CDummyIfLink : public CNifIfLink, public MTimer

/**

Common link layer class

@internalComponent

*/

	{

public:

	CDummyIfLink(CNifIfFactory& aFactory);

	~CDummyIfLink();

	virtual TInt Send(RMBufChain& aPdu, TAny* aSource=0);

	virtual TInt Start();

	virtual void Stop(TInt aReason, MNifIfNotify::TAction aAction);		

	virtual void AuthenticateComplete(TInt aResult);

	virtual void BindL(TAny *aId);

    virtual CNifIfBase* GetBinderL(const TDesC& aName);

	virtual void TimerComplete(TInt aStatus);

	virtual void Info(TNifIfInfo& aInfo) const;

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

	virtual void Restart(CNifIfBase* aIf);

	static void FillInInfo(TNifIfInfo& aInfo, TAny* aPtr);

	virtual TInt Control(TUint aLevel, TUint aName, TDes8& aOption, TAny* aSource=0);

	CDummyIfFactory& Factory();

public:

	//CProtocolBase* iProtocol;

	CDummyIf4* iNifIf4;

	CDummyIf6* iNifIf6;

	CNifIfFactory* iFactory;

private:

	TInt SetNifmanIdleTimeout(const TDesC& aTimeoutToSet, const TDes8& aTimeoutValueBuf);

	};

class CDummyIfFactory : public CNifIfFactory

/**

Dummy NIF factory class

@internalComponent

*/

	{

public:	

	virtual ~CDummyIfFactory();

	void SetDripReceiver(TCallBack aReceiver);

	RMBuf* GetDrip();

	void AddDrip(RMBuf* aDrip);

protected:

	virtual void InstallL();

	virtual CNifIfBase* NewInterfaceL(const TDesC& aName);

	virtual TInt Info(TNifIfInfo& aInfo, TInt aIndex) const;

private:	

	static TInt DripCallback(TAny* aSelf);

protected:

	CPeriodic* iNetDelayTimer;

	CCirBuf<RMBuf*> iDelayPipe;

	TCallBack iDripReceiver;

	};

/**

@internalComponent

*/

const TInt KHexDumpWidth = 16;

class CDummyIfLog : public CBase

/**

@internalComponent

*/

	{

public:

	static void Write(const TDesC& aDes);

	static void Printf(TRefByValue<const TDesC> aFmt, ...);

	static void HexDump(const TText* aHeader, const TText* aMargin, const TUint8* aPtr, TInt aLen, TInt aWidth = KHexDumpWidth);

	};

// various things that will get set up on each interface by dummy nifs

// obviously this is a common network mask....

_LIT(KNetworkMask, "255.255.255.0");

// will be added to the address base to make the broadcast address...

const TUint KBroadcastAddressSuffix = 255;

// some arbitrary num to add to the base to give the default gateway machine...

const TUint KDefaultGatewayAddressSuffix = 10;

// some arbitrary num to add to the base to give the secondary dns server...

const TUint KSecondaryDnsAddressSuffix = 11;

// obviously all the above addresses are totally arbitrary to a certain extent... :-)

#endif