// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).+
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// All rights reserved.+
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// This component and the accompanying materials are made available+
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// under the terms of "Eclipse Public License v1.0"+
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// which accompanies this distribution, and is available+
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".+
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//+
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// Initial Contributors:+
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// Nokia Corporation - initial contribution.+
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//+
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// Contributors:+
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//+
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// Description:+
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// Defines the CRawIPNifMain class, which provides a central point for the NIF+
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// to communicate with NifMan and the BCA controller. This class creates an+
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// interface to the IPv4 protocol when it is required.+
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// +
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//+
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+
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/**+
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 @file+
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*/+
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+
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#ifndef RAWIPNIFMAIN_H+
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#define RAWIPNIFMAIN_H+
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+
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#include <comms-infras/nifif.h>+
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#include <networking/packetlogger.h>+
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#include <in_sock.h>+
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#include "ProtocolIfBase.h"+
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#include "BcaIoController.h"+
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#include "MControllerObserver.h"+
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#include "bttlog.h"+
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#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS+
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#include <comms-infras/nifprvar_internal.h>+
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#endif+
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+
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class CBttLogger;+
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class CPacketLogger;+
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+
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class CRawIPNifMain : public CNifIfLink, public MControllerObserver+
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	{+
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public:+
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 	CRawIPNifMain(CNifIfFactory& aFactory, MNifIfNotify* aNotify, CBttLogger* aTheLogger);+
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	~CRawIPNifMain();+
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	void ConstructL(const TDesC& aName);+
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	// Used to be :Pure virtuals inherited from MContextSmObserver+
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	CBcaIoController* GetBcaController();+
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	void UpdateContextState(RPacketContext::TContextStatus aState,+
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		TInt aError);+
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	void UpdateContextConfig(+
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		RPacketContext::TContextConfigGPRS aConfig);+
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+
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public: // Pure virtuals inherited from CNifIfBase+
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	virtual void Info(TNifIfInfo&) const;+
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	virtual TInt Send(RMBufChain& aPdu, TAny* aSource=0);+
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	virtual TInt Notification(TAgentToNifEventType aEvent, void * aInfo); +
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+
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public: // Virtuals inherited from CNifIfBase+
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	virtual void BindL(TAny *aId);+
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	virtual TInt Control(TUint aLevel, TUint aName, TDes8& aOption, +
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		TAny* aSource);+
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	virtual TInt State();+
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+
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public: // Pure virtuals inherited from CNifIfLink +
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	virtual TInt Start();+
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	virtual void Stop(TInt aReason,MNifIfNotify::TAction aAction);+
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    virtual CNifIfBase* GetBinderL(const TDesC& aName);+
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	virtual void Restart(CNifIfBase* aIf);+
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+
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public: // Virtuals inherited from CNifIfLink+
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	virtual void AuthenticateComplete(TInt aResult);+
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 +
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public: // Pure virtuals inherited from MRawIPNifObserverBase+
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	virtual void InitialiseL(TInitialisationState aState, TInt aError);+
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	virtual void ShutDown(TInitialisationState aState, TInt aError);+
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	virtual MNifIfNotify* GetAgent();+
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	+
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	virtual CProtocolIfBase* GetProtocolIf();+
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+
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public: // Pure virtuals inherited from MControllerObserver+
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	// Data going upstack+
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	virtual void Process(RMBufChain& aPdu, TUint16 aProtocolCode);+
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	// Flow Control unblocked+
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	virtual void ResumeSending();+
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+
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public:  // Inherited from MNifIfNotify+
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	// Notify that link is Up/Down+
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	virtual void LinkLayerUp();+
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	virtual void LinkLayerDown(TInt aError);+
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+
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public:	// Send data to CBcaIoController+
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	TInt SendPacket(RMBufChain& aPdu, TAny* /*aSource=0*/, +
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		TUint16 /*aType=KIp4FrameType*/);	+
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+
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public:	// Context status retrieval.+
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	inline RPacketContext::TContextStatus GetContextStatus();+
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	+
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private:// Unowned+
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	/** networking packet logger for debugging packets */+
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	__PACKETLOG_DECLARATION_MEMBER;+
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	CBttLogger* iTheLogger;+
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+
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	// Upstack bound protocol reference+
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	CProtocolBase* iProtocol;+
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+
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	// The protocol to use (IPv4).Note: This is not owned by this class.+
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	CProtocolIfBase* iProtocolIf;+
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+
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private:// Owned +
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	TInt iInitError; +
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	TIfStatus iState; // One of EIfPending, EIfUp, EIfBusy or EIfDown.+
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+
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	RPacketContext::TContextStatus iContextStatus;+
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	RPacketContext::TContextConfigGPRS iContextConfig;+
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+
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	CBcaIoController* iBcaController;+
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	};+
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+
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inline RPacketContext::TContextStatus CRawIPNifMain::GetContextStatus()+
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/**+
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 * Returns Context status+
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 *+
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 * @return iContextStatus The context status+
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 */+
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	{+
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	return iContextStatus;+
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	}+
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+
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#endif // RAWIPNIFMAIN_H+
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