// Copyright (c) 2001-2009 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:
// Header file for the CLanxBearer base class, a derived from CNififBase.
// History
// 15/11/01 Started by Julian Skidmore.
// 
//

/**
 @file
 @internalComponent 
*/

#if !defined( CLanxBearer_H )
#define CLanxBearer_H

#include <in_iface.h>
#include <comms-infras/nifif.h>
#include <e32uid.h>
#include <nifman.h>
#include <nifvar.h>
#include <nifutl.h>
#include <es_ini.h>
#include <es_mbuf.h>
#include <comms-infras/ss_protflow.h>
#include <comms-infras/ss_flowbinders.h>
#include <es_prot.h>

class CLANLinkCommon;
class TLanProvision;
/**
@internalComponent
*/NONSHARABLE_CLASS(CLanxBearer) : public CBase, public ESock::MLowerDataSender, public ESock::MLowerControl
{
public:
	CLanxBearer(CLANLinkCommon* aLink);
	virtual void ConstructL();
	
	// from MLowerControl
	virtual TInt GetName(TDes& aName);
	virtual TInt BlockFlow(TBlockOption aOption);
	virtual TInt GetConfig(TBinderConfig& aConfig) = 0;
	//
	
	virtual void StartSending(CProtocolBase* aProtocol);

	//Additional methods.
	virtual TBool WantsProtocol(TUint16 aProtocolCode, const TUint8* aPayload)=0;
	virtual void Process(RMBufChain& aPdu,TAny* aLLC)=0; // pure virtual.
	virtual void UpdateMACAddr(); // default implementation
	CLANLinkCommon* Link() const;
	
	// Support for CFProtocol based binding sequence
	virtual const TDesC8& ProtocolName() const = 0;
	void SetUpperPointers(ESock::MUpperDataReceiver* aReceiver, ESock::MUpperControl* aControl);
	TBool MatchesUpperControl(const ESock::MUpperControl* aControl) const;

	// Support for provisioning
	virtual void SetProvisionL(const Meta::SMetaData* aProvision) = 0;
	
protected:
	ESock::MUpperControl* iUpperControl;
	ESock::MUpperDataReceiver* iUpperReceiver;
	CLANLinkCommon* iLink;
	TInterfaceName iIfName;

	// cache connection info to avoid dbms access after resume sending scenario
	TSoIfConnectionInfo iSoIfConnectionInfo;
	TBool iSoIfConnectionInfoCached;
};

inline CLANLinkCommon* CLanxBearer::Link() const
{
	return iLink;
}

#endif