ember-mqttjs
v1.4.0
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Ember async service for connecting to mqtt broker through mqtt.js library.
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ember-mqttjs
Ember async service for connecting to mqtt broker through mqttjs library.
Compatibility
- Ember.js v3.24 or above
- Ember CLI v3.24 or above
- Node.js v12 or above
Installation
ember install ember-mqttjs
Usage
You have to import this service in your route or controller or component or service js class:
import { inject as service } from '@ember/service';
...
@service mqtt;
connect(host, [username], [password]): RSVP.Promise
Connect to the mqtt host and register a listener to the mqtt-message
event:
this.mqtt.connect('wss://test.mosquitto.org:8081').then( () => {
// Do stuff on connection established
});
this.mqtt.on('mqtt-message', (sTopic, sMessage) => {
// Do stuff with topic and message parameters
});
subscribe(topic): RSVP.Promise
this.mqtt.subscribe('presence').then( (oGranted)=>{
// Do stuff after succesfully subscription to mqttTopic
});
oGranted
is an array of {topic, qos}
where:
- topic: is a subscribed to topic
- qos: is the granted QoS level on it
publish(topic, message): RSVP.Promise
this.mqtt.publish('presence', 'Hello').then( () => {
// Do stuff after successfully published message
});
unsubscribe(topic): RSVP.Promise
this.mqtt.unsubscribe('presence').then( (oGranted)=>{
// Do stuff after succesfully unsubscription to mqttTopic
});
mqtt-message [topic, message]: Event
New mqtt message received.
this.mqtt.on('mqtt-message', (sTopic, sMessage) => {
// Do stuff with topic and message parameters
});
mqtt-connected: Event
Connected event.
mqtt-disconnected: Event
Disconnected event.
mqtt-error: Event
Error event.
mqtt-reconnect: Event
Fired when mqtt starts a reconnection
mqtt-close: Event
Closed connection event.
mqtt-offline: Event
Fired when mqtt goes offline.
Contributing
See the Contributing guide for details.
License
This project is licensed under the MIT License.