// Copyright (c) 1997-2009 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:

//

#ifndef SCEP_H

#define SCEP_H

#include <e32cons.h>

class AbstractCommand;

class CommandProcessor;

class CComReadWrite;

class MComReadWriteObserver;

class BFTP;

class IrTranpUtil;

class MTranpNotification;

class CTranpProtocol;

/*

 * Name:		SCEP

 *

 * Description:	SCEP layer in IrTran-P, aswell as the main interface to the application together with bFTP

 *

 */

NONSHARABLE_CLASS(SCEP) : public CBase,

			              public MComReadWriteObserver

	{

public:

	enum TState { EConnected, EDisconnected, EProgress, EWaiting, EError, ECommunicationInt };

public:

	~SCEP();

	static SCEP* NewL(CTranpProtocol* aTranpProtocol, BFTP* a_oBFTP, const MTranpNotification* aNotifier);

	void ConstructL(CTranpProtocol* aTranpProtocol, BFTP* a_oBFTP, const MTranpNotification* aNotifier);

	void Abort();

	TInt Pump();

	void SCONreqL();

	void SCONconL();

	void SCEPSendCommand(TDes8& a_userData, TUint8 a_pduType);

	void SetPMID(const TDesC8& aPMID);

	void SetSMID(const TDesC8& aSMID);

	void SetPDU(TUint8);

	void ReceiveComplete(TDesC8& aBuffer); // Virtuial from MEtanolObserver

	void SendComplete();

	void SendError(TInt aError);

	void ReceiveError(TInt aError);

	void Error(TInt aError);

private:

	SCEP();

	void ParseCommand(TDes8& a_TempBuffer);

	void SCEPConRequest(TDes8& a_Header, TInt offset);

	void SCEPConConfirm(TDes8& a_Header, TInt offset);

	void SCEPDataCommand(TDes8& a_Header, TInt a_offset);

	void NegInf(TDes8& a_Header, TInt a_offset);

	void DoCommand(const TDesC8& a_Header, TInt a_offset);

	void AddSegment(TDes8& a_Header, TInt a_offset);

	void SCEPDisconnect(TDes8& a_Header, TInt offset);

	// Pointer to the CommandProcessor

	CommandProcessor* m_oCommandP;

	// Pointer to the CComReadWrite communications layer

	CComReadWrite* iComReadWrite;

	// Buff to hold incoming data

	TBuf8<8192> iSCEPFrame;

	// Pointer to the bFTP layer

	BFTP* m_oBFTP;

	CTranpProtocol* iTranpProtocol;

	MTranpNotification* iNotifier;

	// Pointer to the HBufC used for reassembling incoming packets

	HBufC8* m_packet;

	// Used for counting the segment sequence

	TUint32 m_seq;

	// Primary Machine ID

	TBufC8<8> m_PMID;

	// Secondary Machine ID

	TBufC8<8> m_SMID;

	// Maximum size of the sender's PDU 

	TUint8 m_uiMaxPDU;

	// Destination process ID

	TUint16 m_DPID;

	// Source process ID

	TUint16 m_SPID;

	// Command ID

	TUint16 m_CmdId;

	// Product information string

	TBufC8<255> m_szPIS;

	// User name

	TBufC8<255> m_szUserName;

	// Password

	TBufC8<255> m_szPassword;

	// Contains the size of the picture being transferred

	TInt m_iPicSize;

	TState iState;

	};

#endif //SCEP_H