/*

* 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 "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:  Reads from socket.

*

*/

// INCLUDE FILES

#include "BtSerialEngine.pan"

#include "socketsreader.h"

#include "SocketObserver.h"

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

CSocketsReader* CSocketsReader::NewL( MSocketObserver& aEngineNotifier,

                                      RSocket& aSocket )

    {

    CSocketsReader* self = new ( ELeave ) CSocketsReader( aEngineNotifier,

                                                          aSocket );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

CSocketsReader::CSocketsReader( MSocketObserver& aObserver,

                                RSocket& aSocket )

: CActive( EPriorityStandard ),

  iSocket( aSocket ),

  iObserver( aObserver )

    {

    // No implementation required

    }

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

void CSocketsReader::ConstructL()

    {

    CActiveScheduler::Add( this );

    }

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

CSocketsReader::~CSocketsReader()

    {

    Cancel();

    }

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

void CSocketsReader::DoCancel()

    {

    // Cancel asychronous read request

    iSocket.CancelRead();

    }

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

void CSocketsReader::RunL()

    {

    switch ( iStatus.Int() )

        {

        case KErrNone:

            iObserver.NewData(iBuffer);

//            IssueRead(); // Immediately start another read

            break;

        case KErrDisconnected:

            iObserver.ReportError( MSocketObserver::EDisconnected,

                                   iStatus.Int() );

            break;

        default:

            iObserver.ReportError( MSocketObserver::EGeneralReadError,

                                   iStatus.Int() );

            break;

        }

    }

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

void CSocketsReader::IssueRead()

    {

    // Initiate a new read from socket into iBuffer

    __ASSERT_ALWAYS( !IsActive(), Panic(EBTSerialEngineReadSocketBadState) );

    iSocket.RecvOneOrMore( iBuffer, 0, iStatus, iLen );

    SetActive();

    }

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

void CSocketsReader::ReadAsync()

    {

    // Initiate a new read from socket into iBuffer

    if (!IsActive())

        {

        IssueRead();

        }

    }

// End of File