// Copyright (c) 2007-2009 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:

// IPProtoDeMux  class definitions.

// Also contains classes related to the demux

// 

//

/**

 @file

 @internalComponent

*/

#ifndef IPPROTODEMUX_H

#define IPPROTODEMUX_H

#include <e32base.h>

#include <in_sock.h>

#include <comms-infras/ss_flowbinders.h>

#include "nif.h"

class CIPShimSubConnectionFlow;

class CIPShimIfBase;

class CIPProtoBinder : 

	//interfaces for NIF

	public ESock::MLowerControl, public ESock::MLowerDataSender, 

	//interfaces for the flow below

	public ESock::MUpperControl, public ESock::MUpperDataReceiver

    {

public:

	friend class CIPShimSubConnectionFlow;

	friend class CIPShimIfBase4; 

	friend class CIPShimIfBase6;

	static CIPProtoBinder* NewL(CIPShimSubConnectionFlow& aFlow, const TDesC8& aProtocolName);

	void StartL();

	/**

	   Called from the nif above

	*/

	void BindL(CIPShimIfBase* aNif);

	void Unbind();

	/**

	   Called from the flow

	*/

	void BindToLowerFlowL(ESock::MFlowBinderControl& aLowerBinderControl);

	void UnbindFromLowerFlow();

public:

    //-=========================================

    // MUpperDataReceiver methods

    //-=========================================        

 	virtual void Process(RMBufChain& aData);

    //-=========================================

    // MUpperControl methods

    //-=========================================        

	virtual void StartSending();

	virtual void Error(TInt anError);

    //-=========================================

    // MLowerDataSender methods

    //-========================================= 

	virtual TSendResult Send(RMBufChain& aData);    	

    //-=========================================

    // MLowerControl methods

    //-========================================= 

	virtual TInt GetName(TDes& aName);

	virtual TInt BlockFlow(TBlockOption aOption);

	virtual TInt GetConfig(TBinderConfig& aConfig);

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

    //-========================================= 

	inline CIPShimSubConnectionFlow& Flow();

	void SetProtocolName(const TDesC8& aProtocol);

	const TDesC8& ProtocolName();

private:	

	CIPProtoBinder(CIPShimSubConnectionFlow& aFlow);

	~CIPProtoBinder();

    //-=========================================

    // members

    //-=========================================      	

private:

	ESock::MFlowBinderControl* iBinderControl;

	ESock::MLowerDataSender* iLowerDataSender;

    ESock::MLowerControl*    iLowerControl;

    CIPShimSubConnectionFlow& iFlow;

    CIPShimIfBase* iNif;

	TBuf8<0x20> iProtocolName;

	TBool iMarkedForClosure:1;

    };

CIPShimSubConnectionFlow& CIPProtoBinder::Flow()

	{

	return iFlow;

	}

#endif //IPPROTODEMUX_H