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);
}
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) {}
}