/*

* Copyright (c) 2002-2007 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:  Sender class for TCP / UDP sockets

*

*/

// INCLUDE FILES

#include <es_sock.h>

#include "CSatBIPDataSender.h"

#include "MSatSendDataObserver.h"

#include "SatLog.h"

#include "MSatBIPUtils.h"

#ifdef ENABLE_SAT_LOGGING

const TUint8 KIpAddressLogSize( 40 );

#endif

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

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

// CSatBIPDataSender::CSatBIPDataSender

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

// might leave.

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

//

CSatBIPDataSender::CSatBIPDataSender( MSatSendDataObserver& aObserver, 

    RSocket& aSocket,

    TBool aIsTcpSocket,

    TInt aBufferSize ) : CActive( EPriorityNormal ),

    iObserver( aObserver ),

    iSocket( aSocket )

    {

    LOG( SIMPLE, "SATENGINE: CSatBIPDataSender::CSatBIPDataSender\

         calling-exiting" )

    iIsTcpSocket = aIsTcpSocket;

    iBufferSize = aBufferSize;

    CActiveScheduler::Add( this );

    }

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

// CSatBIPDataSender::~CSatBIPDataSender

// Destructor

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

//

CSatBIPDataSender::~CSatBIPDataSender()

    {

    LOG( SIMPLE, "SATENGINE: CSatBIPDataSender::~CSatBIPDataSender calling" )

    // Don't have our own pointers...

    LOG( SIMPLE, "SATENGINE: CSatBIPDataSender::~CSatBIPDataSender exiting" )

    }

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

// CSatBIPDataSender::RunL

// Two-phased constructor.

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

//

void CSatBIPDataSender::RunL()

    {

    LOG( SIMPLE, "SATENGINE: CSatBIPDataSender::RunL calling" )

    LOG2( NORMAL, "  RunL with error: %i", iStatus.Int() )

    LOG2( NORMAL, "  RunL <buffer_size>: %i", iBufferSize )

    TInt errCode( MSatBIPUtils::ESatBIPSuccess );

    if ( KErrNone != iStatus.Int() )

        {

        // Error, setting error code

        errCode = MSatBIPUtils::ESatBIPRemoteDeviceNotReachable;

        }

    // Notify observer and empty buffer

    iObserver.DataSentNotification( errCode, iBufferSize );

    iSendPtr.Zero();

    LOG( SIMPLE, "SATENGINE: CSatBIPDataSender::RunL exiting" )

    }

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

// CSatBIPDataSender::DoCancel

// Two-phased constructor.

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

//

void CSatBIPDataSender::DoCancel()

    {

    LOG( SIMPLE, "SATENGINE: CSatBIPDataSender::DoCancel calling" )

    iSocket.CancelSend();

    LOG( SIMPLE, "SATENGINE: CSatBIPDataSender::DoCancel exiting" )

    }

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

// CSatBIPDataSender::SendData

// Starts the send process using predefined protocol

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

//

void CSatBIPDataSender::SendData( const TDesC8& aData, TInetAddr& aDest )

    {

    LOG( SIMPLE, "SATENGINE: CSatBIPDataSender::SendData calling" )

    // Copy data into local buffer

    iSendPtr.Copy( aData );

    #ifdef ENABLE_SAT_LOGGING

    TBuf<KIpAddressLogSize> addressForLog;

    #endif

    #ifdef ENABLE_SAT_LOGGING

    aDest.Output( addressForLog );

    LOG2( NORMAL, 

    "SATENGINE: CSatBIPDataSender::SendData Sending to %S", &addressForLog )

    #endif    

    LOG2( NORMAL, "  Port number: %i", aDest.Port() )

    LOG2( NORMAL, "  Sending %i bytes", aData.Length() )

    if ( !IsActive() )

        {

        // Check protocol

        if ( iIsTcpSocket )

            {

            LOG( SIMPLE, "SATENGINE: CSatBIPDataSender::SendData TCP" )

            // When using TCP, this request completes when the data is actually

            // sent to remote device. 

            iSocket.Send( iSendPtr, 0, iStatus );

            }

        else

            {

            LOG( SIMPLE, "SATENGINE: CSatBIPDataSender::SendData UDP" )

            // UDP Socket. This request completes almost immediately. 

            // There is no

            // way to be sure that the remote device gets the datagram.

            iSocket.SendTo( iSendPtr, aDest, 0, iStatus );

            }

        SetActive();

        }

    LOG( SIMPLE, "SATENGINE: CSatBIPDataSender::SendData exiting" )

    }

// End of file