/*

* 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:  General purpose socket implementetion

*

*/

// INCLUDE FILES

#include "Csocket.h"

#include <es_sock.h>

#include <in_sock.h>

#include "CSocketWriter.h"

#include "Csocketreader.h"

#include "MSocketObserver.h"

#define DEBUG_FILENAME "IPProxyEngine.log"

#include "DebugPrint.h"

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

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

// CSocket::CSocket

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

//

CSocket::CSocket( RSocket* aSocket, TInt aUDPRemotePort /*= -1*/ ) :

    iSocket( aSocket ),

    iHasOwnership( EFalse ),

    iUDPRemotePort( aUDPRemotePort )

    {

    }

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

// CSocket::ConstructL

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

//

void CSocket::ConstructL()

    {

    iSocketWriter = CSocketWriter::NewL( *iSocket, iUDPRemotePort );

    iSocketWriter->SetObserver( this );

    iSocketReader = CSocketReader::NewL( *iSocket, iUDPRemotePort );

    iSocketReader->SetObserver( this );

    }

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

// CSocket::NewL

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

//

CSocket* CSocket::NewL( RSocket* aSocket, TInt aUDPRemotePort /*= -1*/ )

    {

    CSocket* self = CSocket::NewLC( aSocket, aUDPRemotePort );

    CleanupStack::Pop();

    return self;

    }

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

// CSocket::NewLC

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

//

CSocket* CSocket::NewLC( RSocket* aSocket, TInt aUDPRemotePort /*= -1*/ )

    {

    CSocket* self = new( ELeave ) CSocket( aSocket, aUDPRemotePort );

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

// Destructor

CSocket::~CSocket()

    {

    delete iSocketWriter;

    delete iSocketReader;

    if ( iHasOwnership && iSocket )

        {

        TRequestStatus status;

        iSocket->Shutdown( RSocket::EImmediate, status );

        User::WaitForRequest( status );

        iSocket->Close();

        delete iSocket;

        }

    }

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

// CSocket::WriteL

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

//

void CSocket::WriteL( const TDesC8& aData )

    {

    iSocketWriter->IssueWriteL( aData );

    }

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

// CSocket::GetRSocket

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

//

RSocket* CSocket::GetRSocket()

    {

    return iSocket;

    }

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

// CSocket::RemotePort

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

//

TUint CSocket::RemotePort() const

    {

    if ( IsUDP() )

        {

        return iUDPRemotePort;

        }

    else

        {

        TSockAddr addr;

        iSocket->RemoteName( addr );

        return addr.Port();

        }

    }

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

// CSocket::LocalPort

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

//

TUint CSocket::LocalPort() const

    {

    return iSocket->LocalPort();

    }

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

// CSocket::SetObserver

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

//

void CSocket::SetObserver( MSocketObserver* aObserver )

    {

    iObserver = aObserver;

    }

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

// CSocket::SetSocketOwnershipMode

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

//

void CSocket::SetSocketOwnershipMode( TBool aHasOwnership )

    {

    iHasOwnership = aHasOwnership;

    }

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

// CSocket::IssueRead

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

//

void CSocket::IssueRead()

    {

    iSocketReader->Start();

    }

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

// CSocket::Cancel

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

//

void CSocket::Cancel()

    {

    iSocketReader->Cancel();

    iSocketWriter->Cancel();

    }

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

// CSocket::DataReceivedL

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

//

void CSocket::SocketInfo( TProtocolDesc& aDesc) const

    {

    iSocket->Info( aDesc );

    }

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

// CSocket::IsUDP

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

//

TBool CSocket::IsUDP() const

    {

    TProtocolDesc desc;

    iSocket->Info( desc );

    if ( desc.iProtocol == KProtocolInetUdp && iUDPRemotePort > -1 )

        {

        return ETrue;

        }

    else

        {

        return EFalse;

        }

    }

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

// CSocket::DataReceivedL

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

//

void CSocket::DataReceivedL( const TDesC8& aData )

    {

    iObserver->DataReceivedL( this, aData );

    }

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

// CSocket::BufferUnderrunL

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

//

void CSocket::BufferUnderrunL()

    {

    //No implementation

    }

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

// CSocket::WriterErrorL

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

//

void CSocket::WriterErrorL( TInt aErrorCode )

    {

    DEBUG_PRINT( DEBUG_STRING(

        "CSocket::WriterErrorL( %d )" ), aErrorCode );

    iObserver->ErrorL( this, aErrorCode );

    }

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

// CSocket::ReaderErrorL

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

//

void CSocket::ReaderErrorL( TInt aErrorCode )

    {

    DEBUG_PRINT( DEBUG_STRING(

        "CSocket::ReaderErrorL( %d ), UDP port=%d" ), aErrorCode, iUDPRemotePort );

    if ( aErrorCode == KErrEof || aErrorCode == KErrCancel ||

        aErrorCode == KErrDisconnected || aErrorCode == KErrNotReady )

        {

        iObserver->DisconnectedL( this );

        }

    else

        {

        iObserver->ErrorL( this, aErrorCode );

        }

    }

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

// CSocket::ObserverLeaved

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

//

void CSocket::ObserverLeaved( TInt aLeaveCode )

    {

    iObserver->ObserverLeaved( this, aLeaveCode );

    }

//  End of File