Method testConnection

src/frontend/datasources/MQTTConnectionManagerWidget.cpp:601–631

! * \brief Tests the currently selected connection */

 * \brief Tests the currently selected connection
 */
void MQTTConnectionManagerWidget::testConnection() {
	if (!m_currentConnection)
		return;

	WAIT_CURSOR;

	m_testing = true;

	if (!m_client) {
		m_client = new QMqttClient;
		m_testTimer = new QTimer(this);
		m_testTimer->setInterval(5000);
		connect(m_client, &QMqttClient::connected, this, &MQTTConnectionManagerWidget::onConnect);
		connect(m_client, &QMqttClient::disconnected, this, &MQTTConnectionManagerWidget::onDisconnect);
		connect(m_testTimer, &QTimer::timeout, this, &MQTTConnectionManagerWidget::testTimeout);
	}

	m_client->setHostname(m_currentConnection->hostName);
	m_client->setPort(m_currentConnection->port);

	if (m_currentConnection->useID)
		m_client->setClientId(m_currentConnection->clientID);

	if (m_currentConnection->useAuthentication) {
		m_client->setUsername(m_currentConnection->userName);
		m_client->setPassword(m_currentConnection->password);
	}

	m_testTimer->start();
	m_client->connectToHost();
}

/*!
 * \brief Called when the client connects to the host, this means the test was successful