Method setKeepAlive

app/src/MQTT/Publisher.cpp:1582–1589

* @brief Sets the keep-alive interval in seconds. */

 * @brief Sets the keep-alive interval in seconds.
 */
void MQTT::Publisher::setKeepAlive(const quint16 keepAlive)
{
  if (m_keepAlive == keepAlive)
    return;

  m_keepAlive = keepAlive;
  markConfigChanged();
}

/**
 * @brief Sets the MQTT client identifier.