Пример #1
0
  public void initializeAndConnect(Context ctx, int qos, InitCallback callback) {

    connectCallback = callback;
    context = ctx;
    qualityOfService = qos;
    deviceId = "ad" + Secure.getString(ctx.getContentResolver(), Secure.ANDROID_ID);

    opts = new MqttConnectOptions();
    opts.setCleanSession(true);

    User curUser = ClearBlade.getCurrentUser();

    if (curUser.getAuthToken() == null) {
      Log.i(DEBUG_TAG, "Auth token is null, cannot start messaging service");
      return;
    } else {
      Log.i(DEBUG_TAG, "Received Authenticated user details");
      opts.setUserName(curUser.getAuthToken());
      opts.setPassword(Util.getSystemKey().toCharArray());
    }

    connect(ctx, callback);
  }
Пример #2
0
public class MessageService implements MqttCallback {

  public String url = ClearBlade.getMessageUrl();

  public static final String DEBUG_TAG = "MqttService"; // Debug TAG
  public static final String MESSAGE_RECEIVED = "MESSAGE_RECEIVED";

  private String deviceId;
  private int qualityOfService;
  private boolean isSubscribed = false;

  // mqtt paho stuff
  private MqttClientPersistence clientPersistance = null;
  private MqttConnectOptions opts;
  private MqttAndroidClient androidClient;

  private Context context;

  private InitCallback connectCallback;

  public void initializeAndConnect(Context ctx, int qos, InitCallback callback) {

    connectCallback = callback;
    context = ctx;
    qualityOfService = qos;
    deviceId = "ad" + Secure.getString(ctx.getContentResolver(), Secure.ANDROID_ID);

    opts = new MqttConnectOptions();
    opts.setCleanSession(true);

    User curUser = ClearBlade.getCurrentUser();

    if (curUser.getAuthToken() == null) {
      Log.i(DEBUG_TAG, "Auth token is null, cannot start messaging service");
      return;
    } else {
      Log.i(DEBUG_TAG, "Received Authenticated user details");
      opts.setUserName(curUser.getAuthToken());
      opts.setPassword(Util.getSystemKey().toCharArray());
    }

    connect(ctx, callback);
  }

  private void connect(Context ctx, final InitCallback callback) {

    try {
      androidClient = new MqttAndroidClient(ctx, url, deviceId, clientPersistance);
      androidClient.connect(
          opts,
          ctx,
          new IMqttActionListener() {

            @Override
            public void onFailure(IMqttToken arg0, Throwable arg1) {
              Log.i(DEBUG_TAG, "Could not connect to MQTT broker: " + arg1.getMessage());
              callback.error(new ClearBladeException(arg1.getMessage()));
            }

            @Override
            public void onSuccess(IMqttToken arg0) {
              Log.i(DEBUG_TAG, "Client Connected");
              if (isSubscribed) {
                Iterator<String> it = Message.subscribed.iterator();
                while (it.hasNext()) {
                  subscribe(it.next());
                }
              }
              callback.done(true);
            }
          });
      androidClient.setCallback(this);

    } catch (MqttException err) {
      Log.i(DEBUG_TAG, err.getLocalizedMessage());
    }
  }

  public void disconnect() {

    if (androidClient.isConnected()) {
      try {
        androidClient.disconnect();
        Log.i(DEBUG_TAG, "Client Disconnected");
      } catch (MqttException err) {
        Log.i(DEBUG_TAG, err.getLocalizedMessage());
      }
    } else {
      Log.i(DEBUG_TAG, "Client is already disconnected");
    }
  }

  public void publish(String topic, byte[] payload) {

    if (androidClient.isConnected()) {
      try {
        androidClient.publish(topic, payload, qualityOfService, false);
      } catch (MqttPersistenceException e) {
        Log.i(DEBUG_TAG, e.getLocalizedMessage());
      } catch (MqttException e) {
        Log.i(DEBUG_TAG, e.getLocalizedMessage());
      }
    } else {
      Log.i(DEBUG_TAG, "Could not publish. Client is not connected. Please connect first.");
    }
  }

  public void publish(String topic, String payload) {

    publish(topic, payload.getBytes());
  }

  public void publish(String topic, Item payload) {

    publish(topic, payload.toString());
  }

  public boolean subscribe(final String topic) {

    if (androidClient.isConnected()) {
      try {
        androidClient.subscribe(topic, qualityOfService);
        isSubscribed = true;
        return true;
      } catch (MqttException err) {
        Log.i(DEBUG_TAG, err.getLocalizedMessage());
        return false;
      }
    } else {
      Log.i(DEBUG_TAG, "Could not subscribe. Client is not connected. Please connect first.");
      return false;
    }
  }

  public void unsubscribe(String topic) {

    if (androidClient.isConnected()) {
      try {
        androidClient.unsubscribe(topic);
      } catch (MqttException err) {
        Log.i(DEBUG_TAG, err.getLocalizedMessage());
      }
    } else {
      Log.i(DEBUG_TAG, "Could not unsubscribe. Client is not connected. Please connect first.");
    }
  }

  @Override
  public void connectionLost(Throwable throwable) {
    Log.i(DEBUG_TAG, throwable.getMessage() + ". Attempting to reconnect");
    androidClient = null;
    connect(context, connectCallback);
  }

  @Override
  public void messageArrived(String topic, MqttMessage mqttMessage) throws Exception {
    Log.i(DEBUG_TAG, "Topic: " + topic + " Message: " + new String(mqttMessage.getPayload()));
    Intent intent = new Intent();
    intent.setAction(MESSAGE_RECEIVED);
    intent.putExtra("topic", topic);
    intent.putExtra("message", mqttMessage.getPayload());
    context.sendBroadcast(intent);
  }

  @Override
  public void deliveryComplete(IMqttDeliveryToken iMqttDeliveryToken) {}
}