Files
ThingsBoard/Code Snippets/mqtt-js-rpc-from-server.js
2024-07-31 14:02:59 -05:00

19 lines
616 B
JavaScript

var mqtt = require('mqtt');
var client = mqtt.connect('mqtt://localhost',{
username: process.env.TOKEN
});
client.on('connect', function () {
console.log('connected');
client.subscribe('v1/devices/me/rpc/request/+')
client.subscribe('v1/devices/me/attributes')
});
client.on('message', function (topic, message) {
console.log('request.topic: ' + topic);
console.log('request.body: ' + message.toString());
var requestId = topic.slice('v1/devices/me/rpc/request/'.length);
//client acts as an echo service
client.publish('v1/devices/me/rpc/response/' + requestId, message);
});