Method removeClient

src/frontend/dockwidgets/LiveDataDock.cpp:780–806

! *\brief called when an MQTTClient is about to be deleted * removes every data connected to the MQTTClient, and disconnects the corresponding client from the host * * \param hostname the host name of the MQTTClient that will be deleted * \param name the host name of the MQTTClient that will be deleted */

 * \param name the host name of the MQTTClient that will be deleted
 */
void LiveDataDock::removeClient(const QString& hostname, quint16 port) {
	auto it = m_hosts.find(qMakePair(hostname, port));
	if (it == m_hosts.end())
		return;

	MQTTHost& host = it.value();

	if (host.count > 1) {
		--host.count;
		return;
	}

	host.client->disconnectFromHost();

	if (m_previousMQTTClient && m_previousMQTTClient->clientHostName() == hostname) {
		disconnect(m_previousHost->client, &QMqttClient::messageReceived, this, &LiveDataDock::mqttMessageReceivedInBackground);
		m_previousMQTTClient = nullptr;
	}

	if (m_mqttClient && m_mqttClient->clientHostName() == hostname) {
		Q_EMIT MQTTClearTopics();
		m_mqttClient = nullptr;
	}

	delete host.client;
	m_hosts.erase(it);
}

/*!
 * \brief Used for testing the MQTT related features