Examples with MqttClientConnection software.amazon.awssdk.crt.mqtt.MqttClientConnection used on opensource projects

Example 1 with MqttClientConnection

use of software.amazon.awssdk.crt.mqtt.MqttClientConnection in project aws-greengrass-nucleus by aws-greengrass.

the class ShadowDeploymentListener method unsubscribeToShadowTopics.

/*
      UnSubscribe to "$aws/things/{thingName}/shadow/update/accepted" topic to get notified when shadow is updated
      UnSubscribe to "$aws/things/{thingName}/shadow/update/rejected" topic to get notified when an update is rejected
      UnSubscribe to "$aws/things/{thingName}/shadow/get/accepted" topic to retrieve shadow by publishing to get topic
   */
@SuppressWarnings("PMD.CloseResource")
private void unsubscribeToShadowTopics() {
    MqttClientConnection connection = getMqttClientConnection();
    // This is best effort. Do not want to block on it.
    connection.unsubscribe(SHADOW_UPDATE_ACCEPTED_TOPIC.replace("{thingName}", thingName).replace("{shadowName}", DEPLOYMENT_SHADOW_NAME));
    connection.unsubscribe(SHADOW_UPDATE_REJECTED_TOPIC.replace("{thingName}", thingName).replace("{shadowName}", DEPLOYMENT_SHADOW_NAME));
    connection.unsubscribe(SHADOW_GET_TOPIC.replace("{thingName}", thingName).replace("{shadowName}", DEPLOYMENT_SHADOW_NAME));
}

Example 2 with MqttClientConnection

use of software.amazon.awssdk.crt.mqtt.MqttClientConnection in project aws-crt-java by awslabs.

the class ProxyTest method buildDirectMqttConnection.

private MqttClientConnection buildDirectMqttConnection(ProxyTestType testType, ProxyAuthType authType) {
    try (EventLoopGroup eventLoopGroup = new EventLoopGroup(1);
        HostResolver resolver = new HostResolver(eventLoopGroup);
        ClientBootstrap bootstrap = new ClientBootstrap(eventLoopGroup, resolver);
        TlsContext tlsContext = createX509TlsContext(null);
        MqttClient mqttClient = new MqttClient(bootstrap, tlsContext);
        MqttConnectionConfig connectionConfig = new MqttConnectionConfig();
        TlsContext proxyTlsContext = createProxyTlsContext(testType)) {
        HttpProxyOptions proxyOptions = buildProxyOptions(testType, authType, proxyTlsContext);
        String clientId = PROXY_TEST_CLIENTID + (UUID.randomUUID()).toString();
        connectionConfig.setMqttClient(mqttClient);
        connectionConfig.setEndpoint(MQTT_ENDPOINT);
        connectionConfig.setHttpProxyOptions(proxyOptions);
        connectionConfig.setCleanSession(true);
        connectionConfig.setClientId(clientId);
        connectionConfig.setPort(MQTT_DIRECT_PORT);
        connectionConfig.setProtocolOperationTimeoutMs(60000);
        return new MqttClientConnection(connectionConfig);
    }
}

Example 3 with MqttClientConnection

use of software.amazon.awssdk.crt.mqtt.MqttClientConnection in project aws-crt-java by awslabs.

the class ProxyTest method testMqttDirect_TunnelingProxy_NoAuth.

@Test
public void testMqttDirect_TunnelingProxy_NoAuth() {
    skipIfNetworkUnavailable();
    Assume.assumeTrue(isEnvironmentSetUpForProxyTests());
    try (MqttClientConnection connection = buildDirectMqttConnection(ProxyTestType.TUNNELING_HTTPS, ProxyAuthType.None)) {
        doMqttConnectTest(connection);
    }
}

Example 4 with MqttClientConnection

use of software.amazon.awssdk.crt.mqtt.MqttClientConnection in project aws-iot-device-sdk-java-v2 by aws.

the class PubSubStress method initConnections.

static void initConnections() {
    List<ConnectionState> connectionsInProgress = new ArrayList<>();
    for (int i = 0; i < connectionCount; ++i) {
        MqttClientConnectionEvents callbacks = new MqttClientConnectionEvents() {

            @Override
            public void onConnectionInterrupted(int errorCode) {
                if (errorCode != 0) {
                    System.out.println("Connection interrupted: " + errorCode + ": " + CRT.awsErrorString(errorCode));
                }
            }

            @Override
            public void onConnectionResumed(boolean sessionPresent) {
                System.out.println("Connection resumed: " + (sessionPresent ? "existing session" : "clean session"));
            }
        };
        String newClientId = String.format("%s%d", clientId, i);
        MqttClientConnection connection = cmdUtils.buildMQTTConnection(callbacks);
        try {
            ConnectionState connectionState = new ConnectionState();
            connectionState.clientId = newClientId;
            connectionState.connectFuture = connection.connect();
            connectionState.connection = connection;
            connectionsInProgress.add(connectionState);
            if ((i + 1) % PROGRESS_OP_COUNT == 0) {
                System.out.println(String.format("(Main Thread) Connect start count: %d", i + 1));
            }
            // Simple throttle to avoid Iot Connect/Second limit
            Thread.sleep(5);
        } catch (Exception ignored) {
            connection.disconnect();
            connection.close();
        }
    }
    System.out.println(String.format("(Main Thread) Started %d connections", connectionsInProgress.size()));
    for (int i = 0; i < connectionsInProgress.size(); ++i) {
        ConnectionState connectionState = connectionsInProgress.get(i);
        CompletableFuture<Boolean> connectFuture = connectionState.connectFuture;
        if (connectFuture == null) {
            continue;
        }
        try {
            connectFuture.get(5, TimeUnit.SECONDS);
            String clientTopic = String.format("%s%d", topic, i);
            connectionState.topic = clientTopic;
            connectionState.subscribeFuture = connectionState.connection.subscribe(clientTopic, QualityOfService.AT_LEAST_ONCE, (message) -> {
                try {
                    String payload = new String(message.getPayload(), "UTF-8");
                } catch (UnsupportedEncodingException ex) {
                    System.out.println(String.format("(Topic %s): Unable to decode payload: %s", clientTopic, ex.getMessage()));
                }
            });
            if ((i + 1) % PROGRESS_OP_COUNT == 0) {
                System.out.println(String.format("(Main Thread) Subscribe start count: %d", i + 1));
            }
            // Simple throttle to avoid Iot Subscribe/Second limit
            Thread.sleep(5);
        } catch (Exception e) {
            connectionState.connection.disconnect();
            connectionState.connection.close();
            connectionState.connection = null;
        }
    }
    System.out.println(String.format("(Main Thread) Started subscriptions for %d connections", connectionsInProgress.size()));
    for (int i = 0; i < connectionsInProgress.size(); ++i) {
        ConnectionState connectionState = connectionsInProgress.get(i);
        CompletableFuture<Integer> subscribeFuture = connectionState.subscribeFuture;
        if (subscribeFuture == null) {
            continue;
        }
        try {
            subscribeFuture.get(5, TimeUnit.SECONDS);
            connections.put(connectionState.clientId, connectionState.connection);
            validClientIds.add(connectionState.clientId);
            validTopics.add(connectionState.topic);
        } catch (Exception e) {
            connectionState.connection.disconnect();
            connectionState.connection.close();
            connectionState.connection = null;
        }
    }
    System.out.println(String.format("(Main Thread) Successfully established %d connections", connections.size()));
}

Example 5 with MqttClientConnection

use of software.amazon.awssdk.crt.mqtt.MqttClientConnection in project aws-iot-device-sdk-java-v2 by aws.

the class ShadowSample method main.

public static void main(String[] args) {
    cmdUtils = new CommandLineUtils();
    cmdUtils.registerProgramName("ShadowSample");
    cmdUtils.addCommonMQTTCommands();
    cmdUtils.registerCommand("key", "<path>", "Path to your key in PEM format.");
    cmdUtils.registerCommand("cert", "<path>", "Path to your client certificate in PEM format.");
    cmdUtils.registerCommand("port", "<int>", "Port to use (optional, default='8883').");
    cmdUtils.registerCommand("thing_name", "<str>", "The name of the IoT thing.");
    cmdUtils.registerCommand("client_id", "<int>", "Client id to use (optional, default='test-*')");
    cmdUtils.sendArguments(args);
    thingName = cmdUtils.getCommandRequired("thing_name", "");
    MqttClientConnectionEvents callbacks = new MqttClientConnectionEvents() {

        @Override
        public void onConnectionInterrupted(int errorCode) {
            if (errorCode != 0) {
                System.out.println("Connection interrupted: " + errorCode + ": " + CRT.awsErrorString(errorCode));
            }
        }

        @Override
        public void onConnectionResumed(boolean sessionPresent) {
            System.out.println("Connection resumed: " + (sessionPresent ? "existing session" : "clean session"));
        }
    };
    try {
        MqttClientConnection connection = cmdUtils.buildMQTTConnection(callbacks);
        shadow = new IotShadowClient(connection);
        CompletableFuture<Boolean> connected = connection.connect();
        try {
            boolean sessionPresent = connected.get();
            System.out.println("Connected to " + (!sessionPresent ? "clean" : "existing") + " session!");
        } catch (Exception ex) {
            throw new RuntimeException("Exception occurred during connect", ex);
        }
        System.out.println("Subscribing to shadow delta events...");
        ShadowDeltaUpdatedSubscriptionRequest requestShadowDeltaUpdated = new ShadowDeltaUpdatedSubscriptionRequest();
        requestShadowDeltaUpdated.thingName = thingName;
        CompletableFuture<Integer> subscribedToDeltas = shadow.SubscribeToShadowDeltaUpdatedEvents(requestShadowDeltaUpdated, QualityOfService.AT_LEAST_ONCE, ShadowSample::onShadowDeltaUpdated);
        subscribedToDeltas.get();
        System.out.println("Subscribing to update respones...");
        UpdateShadowSubscriptionRequest requestUpdateShadow = new UpdateShadowSubscriptionRequest();
        requestUpdateShadow.thingName = thingName;
        CompletableFuture<Integer> subscribedToUpdateAccepted = shadow.SubscribeToUpdateShadowAccepted(requestUpdateShadow, QualityOfService.AT_LEAST_ONCE, ShadowSample::onUpdateShadowAccepted);
        CompletableFuture<Integer> subscribedToUpdateRejected = shadow.SubscribeToUpdateShadowRejected(requestUpdateShadow, QualityOfService.AT_LEAST_ONCE, ShadowSample::onUpdateShadowRejected);
        subscribedToUpdateAccepted.get();
        subscribedToUpdateRejected.get();
        System.out.println("Subscribing to get responses...");
        GetShadowSubscriptionRequest requestGetShadow = new GetShadowSubscriptionRequest();
        requestGetShadow.thingName = thingName;
        CompletableFuture<Integer> subscribedToGetShadowAccepted = shadow.SubscribeToGetShadowAccepted(requestGetShadow, QualityOfService.AT_LEAST_ONCE, ShadowSample::onGetShadowAccepted);
        CompletableFuture<Integer> subscribedToGetShadowRejected = shadow.SubscribeToGetShadowRejected(requestGetShadow, QualityOfService.AT_LEAST_ONCE, ShadowSample::onGetShadowRejected);
        subscribedToGetShadowAccepted.get();
        subscribedToGetShadowRejected.get();
        gotResponse = new CompletableFuture<>();
        System.out.println("Requesting current shadow state...");
        GetShadowRequest getShadowRequest = new GetShadowRequest();
        getShadowRequest.thingName = thingName;
        CompletableFuture<Integer> publishedGetShadow = shadow.PublishGetShadow(getShadowRequest, QualityOfService.AT_LEAST_ONCE);
        publishedGetShadow.get();
        gotResponse.get();
        String newValue = "";
        Scanner scanner = new Scanner(System.in);
        while (true) {
            System.out.print(SHADOW_PROPERTY + "> ");
            System.out.flush();
            newValue = scanner.next();
            if (newValue.compareToIgnoreCase("quit") == 0) {
                break;
            }
            gotResponse = new CompletableFuture<>();
            changeShadowValue(newValue).get();
            gotResponse.get();
        }
        scanner.close();
        CompletableFuture<Void> disconnected = connection.disconnect();
        disconnected.get();
    } catch (CrtRuntimeException | InterruptedException | ExecutionException ex) {
        System.out.println("Exception encountered: " + ex.toString());
    }
    System.out.println("Complete!");
    CrtResource.waitForNoResources();
}