Created
October 7, 2023 18:27
-
-
Save ddewaele/aaeb174394b46402f64f3d2bc8d5f0c3 to your computer and use it in GitHub Desktop.
NodeJS MQTT Proxy
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| const mqtt = require('mqtt'); | |
| const fs = require('fs'); | |
| // Source broker details | |
| const sourceBrokerUrl = "mqtts://somebroker.com"; | |
| const sourceOptions = { | |
| port: 8883, | |
| ca: [fs.readFileSync('/home/ubuntu/keys/server/server.crt')], | |
| key: fs.readFileSync('/home/ubuntu/keys/client.key'), | |
| cert: fs.readFileSync('/home/ubuntu/keys/client.crt'), | |
| rejectUnauthorized: true | |
| }; | |
| // Destination broker details | |
| const destBrokerUrl = "mqtt://localhost:1883"; | |
| const sourceClient = mqtt.connect(sourceBrokerUrl, sourceOptions); | |
| const destClient = mqtt.connect(destBrokerUrl); | |
| sourceClient.on('connect', () => { | |
| console.log('Connected to source broker'); | |
| sourceClient.subscribe('topic/of/interest/#'); | |
| }); | |
| sourceClient.on('message', (topic, message) => { | |
| console.log(`Received message on topic '${topic}': ${message.toString()}`); | |
| destClient.publish(topic, message); | |
| }); | |
| destClient.on('connect', () => { | |
| console.log('Connected to destination broker'); | |
| }); | |
| // Handle errors (optional but recommended) | |
| sourceClient.on('error', (err) => { | |
| console.error('Source broker error:', err); | |
| }); | |
| destClient.on('error', (err) => { | |
| console.error('Destination broker error:', err); | |
| }); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment