//

// * Copyright 2004 Neusoft America Inc.

// * All rights reserved.

// * This component and the accompanying materials are made available

// * under the terms of the Eclipse Public License v1.0

// * which accompanies this distribution, and is available

// * at the URL "http://www.eclipse.org/legal/epl-v10.html".

// *

// * Contributors:

// * Keith Collins (Neusoft America Inc.)  original software development and additional code and modifications.

// * Thomas Gahagen (Neusoft America Inc.)  additional code and modifications.

// * Zhen Yuan (Neusoft America Inc.)  additional code and modifications.

// *

// * Description:  This file defines the CPortC32InterfaceIp class.  This class

// *               is equivalent to client RComm subsessions. This is derived 

// *               from the C32 base class for ports CPort.

//

// CPortC32InterfaceIp.h

/** @file CPortC32InterfaceIp.h

*/

#ifndef _PORTC32INTERFACEIP_H__

#define _PORTC32INTERFACEIP_H__

#include <cs_port.h>

#include "PortC32InterfaceBase.h"

class CChannelMgrCmdData;

class CCsyMsgBufBpFrame;

class CPortC32InterfaceIp : public CPortC32InterfaceBase

	{

public:

	static CPortC32InterfaceIp* NewL(CPortFactory& aPortFactory, 

								   CPortFactory::TC32PortInfo& aPortInfo);

	virtual ~CPortC32InterfaceIp();

	void SendFrameToClient(CCsyMsgBufBpFrame* aFrame);

protected:

	virtual TBool ReadFromBufOrQueue();

private:

	CPortC32InterfaceIp(CPortFactory& aPortFactory,

					  CPortFactory::TC32PortInfo& aPortInfo);

	void ConstructL();

	virtual TInt QueryReceiveBuffer(TInt& aLength) const;

	virtual void ResetBuffers(TUint aFlags);

	void PlaceIpPacketFramesOntoFreeList();

	void PlaceIpPacketFramesOntoReadList();

	TBool CreateIpPacketFromFrames();

private:

	//TBuf8<KMaxIpPacketSize>	iPartialReadBuf;

	TUint							iNumberOfPacketsWaiting;

	TSglQue<CCsyMsgBufBpFrame>		iFramesReceivedForIpPacket;

	TSglQueIter<CCsyMsgBufBpFrame>	iFramesReceivedForIpPacketIter;

	TUint							iCurrentIpPacketLength;

	TBuf8<KMaxIpPacketSize>			iIpPacket;

	};

#endif  // _PORTC32INTERFACEIP_H__