/*

* Copyright (c) 2002-2009 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:  Implements receiver class for target

*

*/

/*

* %version: 12 %

*/

#include <nifmbuf.h>

#include "am_debug.h"

#include "receiver_hw.h"

#include "WlanProto.h"

#include "carddrv.h"

// ---------------------------------------------------------

// CReceiver::CReceiver()

// ---------------------------------------------------------

//

CReceiver::CReceiver( CPcCardPktDrv* aParent ) : 

    CActive(EPriorityStandard),

    iParent(aParent)

    {

    }

// ---------------------------------------------------------

// CReceiver::ConstructL()

// ---------------------------------------------------------

//

void CReceiver::ConstructL()

    {

    DEBUG("CReceiver::ConstructL()");

    }

// ---------------------------------------------------------

// CReceiver::NewL()

// ---------------------------------------------------------

//

CReceiver* CReceiver::NewL( CPcCardPktDrv* aParent )

    {

    DEBUG("CReceiver::NewL()");

    CReceiver* self = new (ELeave) CReceiver( aParent );

    CleanupStack::PushL( self );

    self->ConstructL();

    CActiveScheduler::Add( self );

    CleanupStack::Pop( self );

    return self;

    }

// ---------------------------------------------------------

// CReceiver::~CReceiver()

// ---------------------------------------------------------

//

CReceiver::~CReceiver()

    {

    DEBUG("CReceiver::~CReceiver()");

    Cancel();

    }

// ---------------------------------------------------------

// CReceiver::DoCancel()

// ---------------------------------------------------------

//

void CReceiver::DoCancel()

    {

    DEBUG("CReceiver::DoCancel()");

    iParent->iCard.ReadCancel();

    }

// ---------------------------------------------------------

// CReceiver::QueueRead()

// ---------------------------------------------------------

//

void CReceiver::QueueRead()

    {

    iParent->iCard.RequestFrame( iStatus );

    SetActive();

    }

// ---------------------------------------------------------

// CReceiver::RunL()

// ---------------------------------------------------------

//

void CReceiver::RunL()

    {

    DEBUG("CReceiver::RunL()" );

    while( iParent->iFrameXferBlock->GetNextRxDataBuffer( iDataBuffer ) )

        {

        TUint8* buf = iDataBuffer->GetBuffer();

        TUint32 len = iDataBuffer->GetLength();

        //Save the original buf value which points 

        //to the beginning of the Ethernet header

        TUint8* bufOrig = buf;   

		DEBUG1("CReceiver::RunL() - packet length: %u", len );

        if( buf && len > 0 && len <= KMaxEthernetFrameLength )

            {        

            //Now set buf point to the beginning of the Payload

            buf = buf + KEtherHeaderSize;

            len = len - KEtherHeaderSize;

            TPtrC8 pkt(buf, len);

            RMBufPacket pFrame; //Payload

            TRAPD( ret, pFrame.CreateL( pkt ) );

            if( ret == KErrNone )

                {

                pFrame.Pack(); 

                iParent->iParent->Process( pFrame, bufOrig, iDataBuffer->UserPriority() );

                }

            }

        }

    if( iParent->CardOpen() )

        {

        QueueRead();

        }

    }