/*

* Copyright (c) 2007 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 __TRKXTIDRIVER_H__

#define __TRKXTIDRIVER_H__

#include "TrkXtiSubscriber.h"

// Debug messages

#ifdef _DEBUG

#define LOG_MSG(x) Kern::Printf(x)

#define LOG_MSG2(x, y) Kern::Printf(x, y)

#else

#define LOG_MSG(x)

#define LOG_MSG2(x, y)

#endif

//class DTrkXtiSubscriber;

//

// Macros

//

#define MAXMESSAGESIZE	0x0900

#define KTRKXTIDRIVERREQ 0x44;

const TInt kIntTrkMessageId = 0x44;

//

// class DTrkXtiDriverFactory

//

class DTrkXtiDriverFactory : public DLogicalDevice

{

public:

	DTrkXtiDriverFactory();

	virtual TInt Install();

	virtual void GetCaps(TDes8& aDes) const;

	virtual TInt Create(DLogicalChannelBase*& aChannel);

};

//

// DTrkXtiChannel

//

class DTrkXtiChannel : public DLogicalChannel					  								

{

public:

	DTrkXtiChannel(DLogicalDevice* aLogicalDevice);

	~DTrkXtiChannel();

	virtual TInt DoCreate(TInt aUnit, const TDesC* anInfo, const TVersion& aVer);	

	virtual void HandleMsg(TMessageBase* aMsg);

    void DoCompleteRx(const TDesC8& aMessage);	

protected: // from DLogicalChannel

	virtual void DoCancel(TInt aReqNo);

	virtual void DoRequest(TInt aReqNo, TRequestStatus* aStatus, TAny* a1, TAny* a2);

	virtual TInt DoControl(TInt aFunction, TAny *a1, TAny *a2);

private:

	TInt DoWrite(TUint32 aLength, TAny* a2);

	TInt DoRead();

	TInt WriteXtiChannel(TDesC8& aDes);

	void ReadXtiChannel();

private:

	DThread* iClientThread;

	TRequestStatus* iRequestGetEventStatus;

	TAny* iRxClientBuffer;

	TUint32 iRxClientBufferLength;

	TBuf8<MAXMESSAGESIZE> iTxBuffer;

	TBuf8<MAXMESSAGESIZE> iRxPendingMsgBuffer;

	TBool iRxPendingMsg;

	TRequestStatus* iRxRequestStatus;

	TInt iInterruptId;

	DSemaphore* iLock;

	TDfcQue* iDFCQue;

	DTrkXtiSubscriber *iTrkXtiSubscriber;

};

#endif //__TRKXTIDRIVER_H__