STATE_MACHINE

void Protocol::process(int code) {
    qDebug()<<"process"<<code;
    switch ( STATE ) {
       qDebug()<<"PROCESS "<<code;
       case STATES::INIT:
            qDebug()<<"INIT";
            emit signal_state( QString("INIT") );
            mCommander->rezerve();

            STATE = STATES::REZERVE_SEND;
            emit signal_state ( QString("REZERVE_SEND") );
            break;

        case STATES::REZERVE_SEND:
            if (code == 42) {
                STATE = STATES::PREPARED_OK;
                emit signal_state(QString("PREPARED_OK"));
                process();
            }
            else {
                emit signal_state(QString("PREPARED_FAILED"));
                STATE = STATES::PREPARED_FAILED;
            }
            break;

        case STATES::PREPARED_OK:
            mCommander->sendRaw();
            STATE = STATES::RAW_SENT;
            emit signal_state( QString("RAW_SENT") );
            //process();
            break;

        case STATES::PREPARED_FAILED:
            break;

        case STATES::RAW_SENT:
           if (code == 88) {
               STATE = STATES::RAW_CONFIRMED;
               emit signal_state(QString("RAW_CONFIRMED"));

               process();
           }
           else {
               qDebug()<<"RAW_SENT -> RAW_NOT_CONFIRMED "<<code;
               STATE = STATES::RAW_NOT_CONFIRMED;
               emit signal_state(QString("RAW_NOT_CONFIRMED"));

           }
           break;

        case STATES::RAW_CONFIRMED:
            mCommander->sendFile();
            STATE = STATES::FILE_SENT;
            emit signal_state(QString("FILE_SENT_CMD"));
            break;

        case STATES::FILE_SENT:
            if (code == 77) {
                emit signal_state(QString("FILE_SENT_CONFIRMED"));
                STATE = STATES::FILE_SENT_CONFIRMED;
                process();
            }
            else {
                emit signal_state(QString("FILE_SENT_NOT_CONFIRMED"));
                STATE = STATES::FILE_SENT_NOT_CONFIRMED;
            }
            break;

        case STATES::FILE_SENT_CONFIRMED:
            STATE = STATES::FINAL;
            emit signal_state(QString("FINAL"));
            emit confirmed();
            break;

       case STATES::FINAL:
            break;

   }
   return;
}