Method writeDataToDevice

app/src/IO/ConnectionManager.cpp:595–613

* @brief Writes @p data to the specified @p deviceId. */

 * @brief Writes @p data to the specified @p deviceId.
 */
qint64 IO::ConnectionManager::writeDataToDevice(int deviceId, const QByteArray& data)
{
  Q_ASSERT(deviceId >= 0);
  Q_ASSERT(!data.isEmpty());

  auto it = m_devices.find(deviceId);
  if (it == m_devices.end() || !it->second)
    return -1;

  const qint64 bytes = it->second->write(data);
  if (bytes > 0) {
    auto writtenData          = data;
    const qint64 boundedBytes = qMin<qint64>(bytes, writtenData.size());
    writtenData.chop(writtenData.length() - boundedBytes);
    Console::Handler::instance().displaySentData(deviceId, writtenData);
  }

  return bytes;
}

/**
 * @brief Arms reply capture for @p deviceId then writes @p data, atomically on this thread so