static OtaErr_t initFileHandler()

in source/ota.c [1012:1081]
53 lines of code
6 McCabe index (conditional complexity)

static OtaErr_t initFileHandler( const OtaEventData_t * pEventData )
{
    OtaErr_t err = OtaErrUninitialized;
    OtaOsStatus_t osErr = OtaOsSuccess;
    OtaEventMsg_t eventMsg = { 0 };

    ( void ) pEventData;

    err = otaDataInterface.initFileTransfer( &otaAgent );

    if( err != OtaErrNone )
    {
        if( otaAgent.requestMomentum < otaconfigMAX_NUM_REQUEST_MOMENTUM )
        {
            /* Start the request timer. */
            osErr = otaAgent.pOtaInterface->os.timer.start( OtaRequestTimer,
                                                            "OtaRequestTimer",
                                                            otaconfigFILE_REQUEST_WAIT_MS,
                                                            otaTimerCallback );

            if( osErr != OtaOsSuccess )
            {
                LogError( ( "Failed to start request timer: "
                            "OtaOsStatus_t=%s",
                            OTA_OsStatus_strerror( osErr ) ) );
                err = OtaErrInitFileTransferFailed;
            }
            else
            {
                otaAgent.requestMomentum++;
            }
        }
        else
        {
            /* Stop the request timer. */
            ( void ) otaAgent.pOtaInterface->os.timer.stop( OtaRequestTimer );

            /* Send shutdown event. */
            eventMsg.eventId = OtaAgentEventShutdown;

            if( OTA_SignalEvent( &eventMsg ) == false )
            {
                err = OtaErrSignalEventFailed;
            }
            else
            {
                /* Too many requests have been sent without a response or too many failures
                 * when trying to publish the request message. Abort. */
                err = OtaErrMomentumAbort;
            }
        }
    }
    else
    {
        /* Reset the request momentum. */
        otaAgent.requestMomentum = 0;

        /* Reset the OTA statistics. */
        ( void ) memset( &otaAgent.statistics, 0, sizeof( otaAgent.statistics ) );

        eventMsg.eventId = OtaAgentEventRequestFileBlock;

        if( OTA_SignalEvent( &eventMsg ) == false )
        {
            err = OtaErrSignalEventFailed;
        }
    }

    return err;
}