// Copyright (c) 2007-2010 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:

// Interface class for XTI IF. 

#ifndef __TRACECOREXTIIF_H__

#define __TRACECOREXTIIF_H__

// Include files

#include <kernel/kernel.h>

#include <TraceCoreMediaPlugin.h>

#include "TraceCoreMediaIf.h"

/**

 * Interface class for XTI

 */

NONSHARABLE_CLASS( DTraceCoreXtiIf ) : public DTraceCoreMediaPlugin

    {

public:

    /**

     * Constructor

     */

    DTraceCoreXtiIf();

    /**

     * Destructor

     */

    ~DTraceCoreXtiIf();

    /**

     * Initializes this interface

     */

    TInt Init( );

	 /**

	  * Sends a message

	  *

	  * @param aMessage The message to be sent

	  */

	 TInt Send( TTraceMessage &aMessage );

    /**

     * Called by TraceCore to send a message out

     */

    virtual TInt SendMessage( TTraceMessage &aMsg );

private:

    /**

     * Starts a timer which calls XtiRegister

     */

	void StartTimer();

	/**

	 * Timer callback function, register trace core to XTI driver

	 */

    static void XtiRegister( TAny* aPtr );

    /**

     * Called from the static timer callback function to perform registration

     */

    void XtiRegister();

    /**

     * DFC function for incoming data from XTI driver

     */

    static void ReceiveDfc( TAny* aPtr );

    /**

     * Called from the static DFC function to process incoming data

     */

    void ReceiveDfc();

    /**

     * Add registering to own Dfc

     */

    static void XtiRegisterDfc( TAny* aPtr );

    /**

     * Forwards incoming message to callback

     */

    void NotifyCallback();

    /**

     * Sends message to XTI

     * 

     * @param aMsg Message to be sent.

     * @return KErrNone if send successful

     */

    void SendData( TTraceMessage& aMsg );

private:

    /**

     * DFC which is used for incoming ISI-messages

     */

    TDfc iReceiveDfc;

    /**

     * DFC which is used to receive data from XTI driver

     */

    TDfc iXtiRegisterDfc;

    /**

     * Timer which is used for registration to XTI driver

     */

    TTickLink iXtiRegisterTimer;

    /**

     * ISA Kernel IF Initialisation status

     */

    TInt iStatus;

    /** 

     * Length variable for ISA Kernel interface usage

     */

    TUint16 iNeededLength;

     /**

     * Buffer for sending data

     **/

    TBuf8< 8204 > iSendBuffer;

    /**

     * Buffer for incoming data

     **/

    TBuf8< 8204 > iReceiveBuffer;

    };

#endif // __TRACECOREXTIIF_H__

// End of File