/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:

*

*/

// INCLUDE FILES

#include "cusbpnisareceiver.h"

#include "cusbpnusbsender.h"

#include "cusbpnpacket.h"

#include "usbpndefinitions.h"   // For constants

#include "usbpntrace.h"

#ifdef OST_TRACE_COMPILER_IN_USE

#include "cusbpnisareceiverTraces.h"

#endif

#include <iscapi.h>             // For RIscApi

#include <d32usbc.h>            // For RDevUsbcClient

#include <phonetisi.h>          // For Phonet definitions

#ifndef NCP_COMMON_BRIDGE_FAMILY

#include <pn_const.h>           // For Resource ID

#include <mediaisi.h>           // For Media specific message ID

#endif /* NCP_COMMON_BRIDGE_FAMILY */

// EXTERNAL DATA STRUCTURES

// EXTERNAL FUNCTION PROTOTYPES

// CONSTANTS

// MACROS

// LOCAL CONSTANTS AND MACROS

// MODULE DATA STRUCTURES

// LOCAL FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

// ============================= LOCAL FUNCTIONS ===============================

// ============================ MEMBER FUNCTIONS ===============================

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

// CUsbPnIsaReceiver::CUsbPnIsaReceiver

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

CUsbPnIsaReceiver::CUsbPnIsaReceiver( RIscApi& aIscApi )

#ifdef NCP_COMMON_ENOSW_IN_USE

    // CUsbPnUsbSender uses ECommTransmitPriority=100.

    // Set priority lower than 100, so that CUsbPnUsbSender can send packages.

    :CActive( 99 )

#else

    :CActive( CActive::EPriorityStandard - 1 )

#endif

    ,iIscApi(aIscApi)

    ,iRecvPtr(0,0)

    ,iForwardFlag(EFalse)

    {

    OstTrace1( TRACE_NORMAL, CUSBPNISARECEIVER_CUSBPNISARECEIVER_ENTRY, "CUsbPnIsaReceiver::CUsbPnIsaReceiver;aIscApi=%x", ( TUint )&( aIscApi ) );

    C_TRACE( ( _T( "CUsbPnIsaReceiver::CUsbPnIsaReceiver( aIscApi:0x%x )" ), &aIscApi ) );

    CActiveScheduler::Add(this);

    OstTrace0( TRACE_NORMAL, CUSBPNISARECEIVER_CUSBPNISARECEIVER_EXIT, "CUsbPnIsaReceiver::CUsbPnIsaReceiver - return" );

    C_TRACE( ( _T( "CUsbPnIsaReceiver::CUsbPnIsaReceiver() - return" ) ) );

    }

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

// CUsbPnIsaReceiver::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CUsbPnIsaReceiver::ConstructL( RDevUsbcClient& aLdd )

    {

    OstTrace0( TRACE_NORMAL, CUSBPNISARECEIVER_CONSTRUCTL_ENTRY, "CUsbPnIsaReceiver::ConstructL" );

    C_TRACE( ( _T( "CUsbPnIsaReceiver::ConstructL()" ) ) );

    iUsbSender = CUsbPnUsbSender::NewL( *this, aLdd );

    OstTrace0( TRACE_NORMAL, CUSBPNISARECEIVER_CONSTRUCTL_EXIT, "CUsbPnIsaReceiver::ConstructL - return void" );

    C_TRACE( ( _T( "CUsbPnIsaReceiver::ConstructL() - return void" ) ) );

    }

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

// CUsbPnIsaReceiver::NewL

// Two-phased constructor.

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

//

CUsbPnIsaReceiver* CUsbPnIsaReceiver::NewL( RIscApi& aIscApi, RDevUsbcClient& aLdd )

    {

    OstTraceExt2( TRACE_NORMAL, CUSBPNISARECEIVER_NEWL_ENTRY, "CUsbPnIsaReceiver::NewL;aIscApi=%x;aLdd=%x", ( TUint )&( aIscApi ), ( TUint )&( aLdd ) );

    C_TRACE( ( _T( "CUsbPnIsaReceiver::NewL( aIscApi:0x%x, aLdd:0x%x )" ), &aIscApi, &aLdd ) );

    CUsbPnIsaReceiver* self = new( ELeave ) CUsbPnIsaReceiver( aIscApi );

    CleanupStack::PushL( self );

    self->ConstructL( aLdd );

    CleanupStack::Pop( self );

    OstTrace1( TRACE_NORMAL, CUSBPNISARECEIVER_NEWL_EXIT, "CUsbPnIsaReceiver::NewL - return;self=%x", self );

    C_TRACE( ( _T( "CUsbPnIsaReceiver::NewL() - return 0x%x" ), self ) );

    return self;

    }

// Destructor

CUsbPnIsaReceiver::~CUsbPnIsaReceiver()

    {

    OstTrace0( TRACE_NORMAL, CUSBPNISARECEIVER_CUSBPNISARECEIVER_DESTRUCTOR_ENTRY, "CUsbPnIsaReceiver::~CUsbPnIsaReceiver" );

    C_TRACE( ( _T( "CUsbPnIsaReceiver::~CUsbPnIsaReceiver()" ) ) );

    Cancel();

    if( iUsbSender )

        {

        delete iUsbSender;

        }

    OstTrace0( TRACE_NORMAL, CUSBPNISARECEIVER_CUSBPNISARECEIVER_DESTRUCTOR_EXIT, "CUsbPnIsaReceiver::~CUsbPnIsaReceiver - return" );

    C_TRACE( ( _T( "CUsbPnIsaReceiver::~CUsbPnIsaReceiver() - return" ) ) );

    }

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

// CUsbPnIsaReceiver::DoCancel

// ?implementation_description

// (other items were commented in a header).

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

//

void CUsbPnIsaReceiver::DoCancel( )

    {

    OstTrace0( TRACE_NORMAL, CUSBPNISARECEIVER_DOCANCEL_ENTRY, "CUsbPnIsaReceiver::DoCancel" );

    C_TRACE( ( _T( "CUsbPnIsaReceiver::DoCancel()" ) ) );

    iIscApi.ReceiveCancel();

    OstTrace0( TRACE_NORMAL, CUSBPNISARECEIVER_DOCANCEL_EXIT, "CUsbPnIsaReceiver::DoCancel - return void" );

    C_TRACE( ( _T( "CUsbPnIsaReceiver::DoCancel() - return void" ) ) );

    }

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

// CUsbPnIsaReceiver::RunL

// ?implementation_description

// (other items were commented in a header).

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

//

void CUsbPnIsaReceiver::RunL( )

    {

    OstTrace1( TRACE_API, CUSBPNISARECEIVER_RUNL_ENTRY, "CUsbPnIsaReceiver::RunL;iStatus=%d", iStatus.Int() );

    A_TRACE( ( _T( "CUsbPnIsaReceiver::RunL() iStatus:%d" ), iStatus.Int() ) );

    User::LeaveIfError(iStatus.Int());

    iRecvPtr.Set( iPacket->Buffer().Des() );

#ifndef NCP_COMMON_BRIDGE_FAMILY

    //Media specific resp from SOS USB MM

    if( (iRecvPtr[ISI_HEADER_OFFSET_RESOURCEID] == PN_MEDIA_CONTROL) &&

            (iRecvPtr[ISI_HEADER_OFFSET_MESSAGEID] == PNS_MEDIA_SPECIFIC_RESP) )

        {

        OstTrace0( TRACE_API, CUSBPNISARECEIVER_RUNL, "CUsbPnIsaReceiver::RunL - Media specific resp" );

        A_TRACE( ( _T( "CUsbPnIsaReceiver::RunL - Media specific resp" )));

        // Empty packet buffer and receive next packet to it.

        iPacket->ReleaseL();

        iRecvPtr.Set( iPacket->Buffer().Des() );

        iIscApi.Receive( iStatus, iRecvPtr, iNeededLength );

        OstTrace0( TRACE_DETAILED, CUSBPNISARECEIVER_RUNL_DUP1, "CUsbPnIsaReceiver::RunL - receiving new" );

        E_TRACE((_T("CUsbPnUsbReceiver::RunL - Receiving new")));

        SetActive();

        }

    else

#endif /* NCP_COMMON_BRIDGE_FAMILY */

        {

        //Normal case

        if( iForwardFlag )

            {

            ConstructMessage();

            iUsbSender->Send( *iPacket );

            Receive( iForwardFlag );

            }

        // PC phonet connection not open

        else

            {

            OstTrace0( TRACE_API, CUSBPNISARECEIVER_RUNL_DUP2, "CUsbPnIsaReceiver::RunL - Discarding" );

            A_TRACE( ( _T( "CUsbPnIsaReceiver::RunL - Discarding" )));

            // Empty packet buffer and receive next packet to it.

            iPacket->ReleaseL();

            iRecvPtr.Set( iPacket->Buffer().Des() );

            iIscApi.Receive( iStatus, iRecvPtr, iNeededLength );

            OstTrace0( TRACE_DETAILED, CUSBPNISARECEIVER_RUNL_DUP3, "CUsbPnIsaReceiver::RunL - receiving new" );

            E_TRACE((_T("CUsbPnUsbReceiver::RunL - Receiving new")));

            SetActive();

            }

        }

    OstTrace0( TRACE_API, CUSBPNISARECEIVER_RUNL_EXIT, "CUsbPnIsaReceiver::RunL - return void" );

    A_TRACE( ( _T( "CUsbPnIsaReceiver::RunL() - return void" ) ) );

    }

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

// CUsbPnIsaReceiver::RunError

// ?implementation_description

// (other items were commented in a header).

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

//

TInt CUsbPnIsaReceiver::RunError( TInt aError )

    {

    OstTrace1( TRACE_API, CUSBPNISARECEIVER_RUNERROR_ENTRY, "CUsbPnIsaReceiver::RunError;aError=%d", aError );

    A_TRACE( ( _T( "CUsbPnIsaReceiver::RunError( aError:%d )" ), aError ) );

    switch( aError )

        {

        case KErrNoMemory:

            {

            OstTrace0( TRACE_DETAILED, CUSBPNISARECEIVER_RUNERROR, "CUsbPnIsaReceiver::RunError - Release packet buffer and alloc bigger for temporary use" );

            E_TRACE( ( _T( "CUsbPnIsaReceiver::RunError - Release packet buffer and alloc bigger for temporary use" )));

            aError = KErrNone;

            TRAP( aError, iPacket->ReallocBufferL( iNeededLength ) );

            if( aError == KErrNone )

                {

                iRecvPtr.Set( iPacket->Buffer().Des() );

                iIscApi.Receive( iStatus, iRecvPtr, iNeededLength );

                OstTrace0( TRACE_NORMAL, CUSBPNISARECEIVER_RUNERROR_DUP1, "CUsbPnIsaReceiver::RunError - Receiving into bigger" );

                C_TRACE( ( _T( "CUsbPnIsaReceiver::RunError - Receiving into bigger" )) );

                SetActive();

                }

            break;

            }

        case KErrOverflow:

            {

            OstTrace0( TRACE_DETAILED, CUSBPNISARECEIVER_RUNERROR_DUP2, "CUsbPnIsaReceiver::RunError - Release ISC buffer." );

            E_TRACE( ( _T( "CUsbPnIsaReceiver::RunError - Release ISC buffer." )));

            aError = KErrNone;

            iIscApi.ResetBuffers(); // Clear ISC buffer. (connection was probably down, so the old messages are not needed)

            break;

            }

        default:

            {

            TRACE_ASSERT_ALWAYS;

            User::Panic( KUsbPnPanicCat, aError );

            break;

            }

        }

    OstTrace1( TRACE_NORMAL, CUSBPNISARECEIVER_RUNERROR_EXIT, "CUsbPnIsaReceiver::RunError - return;aError=%d", aError );

    C_TRACE( ( _T( "CUsbPnIsaReceiver::RunError() return - aError:%d )" ), aError ) );

    return aError;

    }

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

// CUsbPnIsaReceiver::Receive

// aForward should be ETrue only when Phonet connection is open to PC

// (other items were commented in a header).

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

//

void CUsbPnIsaReceiver::Receive( TBool aForward )

    {

    OstTrace1( TRACE_NORMAL, CUSBPNISARECEIVER_RECEIVE_ENTRY, "CUsbPnIsaReceiver::Receive;aForward=%d", aForward );

    C_TRACE( ( _T( "CUsbPnIsaReceiver::Receive( aForward:%d)" ), aForward ));

    iForwardFlag = aForward;

    if(!IsActive())

        {

        TRAPD( err, iPacket = &iUsbSender->PacketL() );

        if(!err)

            {

            iRecvPtr.Set( iPacket->Buffer().Des() );

            iIscApi.Receive( iStatus, iRecvPtr, iNeededLength );

            OstTrace0( TRACE_NORMAL, CUSBPNISARECEIVER_RECEIVE, "CUsbPnIsaReceiver::Receive - Receiving" );

            C_TRACE( ( _T( "CUsbPnIsaReceiver::Receive - Receiving" )) );

            SetActive();

            }

        else

            {

            // No free packets so receiving not activated until sender

            OstTrace0( TRACE_NORMAL, CUSBPNISARECEIVER_RECEIVE_DUP1, "CUsbPnIsaReceiver::Receive - Sender tells when to continue" );

            C_TRACE( ( _T( "CUsbPnIsaReceiver::Receive - Sender tells when to continue" )) );

            }

        }

    OstTrace0( TRACE_NORMAL, CUSBPNISARECEIVER_RECEIVE_EXIT, "CUsbPnIsaReceiver::Receive - return void" );

    C_TRACE( ( _T( "CUsbPnIsaReceiver::Receive() - return void" ) ) );

    }

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

// CUsbPnIsaReceiver::SetForwardFlag

// aForward should be ETrue only when Phonet connection is open to PC

// (other items were commented in a header).

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

//

void CUsbPnIsaReceiver::SetForwardFlag( TBool aForward )

    {

    OstTrace1( TRACE_NORMAL, CUSBPNISARECEIVER_SETFORWARDFLAG_ENTRY, "CUsbPnIsaReceiver::SetForwardFlag=%d", aForward );

    C_TRACE( ( _T( "CUsbPnIsaReceiver::SetForwardFlag( aForward:%d)" ), aForward ));

    iForwardFlag = aForward;

    OstTrace0( TRACE_NORMAL, CUSBPNISARECEIVER_SETFORWARDFLAG_EXIT, "CUsbPnIsaReceiver::SetForwardFlag - return void" );

    C_TRACE( ( _T( "CUsbPnIsaReceiver::SetForwardFlag() - return void" ) ) );

    }

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

// CUsbPnIsaReceiver::ConstructMessage

// ?implementation_description

// (other items were commented in a header).

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

//

void CUsbPnIsaReceiver::ConstructMessage()

    {

    OstTrace0( TRACE_NORMAL, CUSBPNISARECEIVER_CONSTRUCTMESSAGE_ENTRY, "CUsbPnIsaReceiver::ConstructMessage" );

    C_TRACE( ( _T( "CUsbPnIsaReceiver::ConstructMessage()" ) ) );

    // Converts the endianess of message length

    OstTrace1( TRACE_DETAILED, CUSBPNISARECEIVER_CONSTRUCTMESSAGE, "CUsbPnIsaReceiver::ConstructMessage - Convert endianness;iRecvPtr.Length()=%d", iRecvPtr.Length() );

    E_TRACE( ( _T( "CUsbPnIsaReceiver::ConstructMessage() - Convert endianness - iRecvPtr.Length():%d" ), iRecvPtr.Length() ) );

    TUint8 tmp4(iRecvPtr[ISI_HEADER_OFFSET_LENGTH]);

    TUint8 tmp5(iRecvPtr[ISI_HEADER_OFFSET_LENGTH +1]);

    iRecvPtr[ISI_HEADER_OFFSET_LENGTH] = tmp5;

    iRecvPtr[ISI_HEADER_OFFSET_LENGTH +1] = tmp4;

    OstTrace0( TRACE_NORMAL, CUSBPNISARECEIVER_CONSTRUCTMESSAGE_EXIT, "CUsbPnIsaReceiver::ConstructMessage - return void" );

    C_TRACE( ( _T( "CUsbPnIsaReceiver::ConstructMessage() - return void" ) ) );

    }

// ========================== OTHER EXPORTED FUNCTIONS =========================

//  End of File