Examples with Mqtt3AsyncClient com.hivemq.client.mqtt.mqtt3.Mqtt3AsyncClient used on opensource projects

Example 1 with Mqtt3AsyncClient

use of com.hivemq.client.mqtt.mqtt3.Mqtt3AsyncClient in project open-smart-grid-platform by OSGP.

the class MqttClientIT method publishMessages.

void publishMessages(final PublishedMessage... publishedMessages) throws Exception {
    final Mqtt3AsyncClient mqtt3AsyncClient = Mqtt3Client.builder().identifier("async-publishing-client").serverHost("localhost").serverPort(containerMqttPort).automaticReconnectWithDefaultConfig().buildAsync();
    final CountDownLatch connectLatch = new CountDownLatch(1);
    mqtt3AsyncClient.connect().whenComplete((ack, t) -> {
        connectLatch.countDown();
    });
    connectLatch.await();
    try {
        final CountDownLatch publishLatch = new CountDownLatch(publishedMessages.length);
        for (final PublishedMessage publishedMessage : publishedMessages) {
            mqtt3AsyncClient.publishWith().topic(publishedMessage.topic()).qos(MqttQos.AT_LEAST_ONCE).payload(publishedMessage.payload()).retain(false).send().whenComplete((mqtt3Publish, t) -> {
                publishLatch.countDown();
            });
        }
        publishLatch.await();
    } finally {
        mqtt3AsyncClient.disconnect();
    }
}

Example 2 with Mqtt3AsyncClient

use of com.hivemq.client.mqtt.mqtt3.Mqtt3AsyncClient in project open-smart-grid-platform by OSGP.

the class MqttClient method createClient.

private Mqtt3AsyncClient createClient(final MqttClientDefaults mqttClientDefaults, final MqttClientSslConfig mqttClientSslConfig, final String clientIdentifier) {
    Mqtt3ClientBuilder clientBuilder = Mqtt3Client.builder().identifier(clientIdentifier).serverHost(mqttClientDefaults.getDefaultHost()).serverPort(mqttClientDefaults.getDefaultPort()).sslConfig(mqttClientSslConfig).automaticReconnectWithDefaultConfig().addConnectedListener(context -> LOGGER.info("{} client {} connected to broker at {}:{}", context.getClientConfig().getMqttVersion(), context.getClientConfig().getClientIdentifier().map(MqttClientIdentifier::toString).orElse(clientIdentifier), context.getClientConfig().getServerHost(), context.getClientConfig().getServerPort())).addDisconnectedListener(context -> LOGGER.info("{} client {} disconnected from broker at {}:{}", context.getClientConfig().getMqttVersion(), context.getClientConfig().getClientIdentifier().map(MqttClientIdentifier::toString).orElse(clientIdentifier), context.getClientConfig().getServerHost(), context.getClientConfig().getServerPort()));
    if (StringUtils.isNotEmpty(mqttClientDefaults.getDefaultUsername())) {
        LOGGER.debug("Using username/password for MQTT connection");
        clientBuilder = clientBuilder.simpleAuth().username(mqttClientDefaults.getDefaultUsername()).password(mqttClientDefaults.getDefaultPassword().getBytes()).applySimpleAuth();
    }
    return clientBuilder.buildAsync();
}