blah stupid ca

IoT-sensor/modules/mqtt.js

@@ -0,0 +1,45 @@
+const mqtt = require('mqtt');
+const fs = require('fs');
+const path = require('path')
+require('dotenv').config({ path: path.resolve(__dirname, '../../.env') })
+
+// Configuration
+const brokerUrl = 'mqtt://mqtt.teeseng.uk';
+const options = {
+  port: 8883, // MQTT broker port with TLS
+  username: process.env.MQTT_USER, 
+  password: process.env.MQTT_PASS, 
+  protocol: 'mqtts', // Use MQTT over TLS
+    key: fs.readFileSync(path.resolve(__dirname, '../../cert/privkey.pem')), // Private key for the client
+    cert: fs.readFileSync(path.resolve(__dirname, '../../cert/cert.pem')), // Client certificate
+
+};
+
+// Create MQTT client
+const client = mqtt.connect(brokerUrl, options);
+
+module.exports = client; 
+// Event handlers
+client.on('connect', () => {
+  console.log('Connected to MQTT broker');
+  client.subscribe('your-topic'); // Subscribe to a topic
+  // Publish a message
+  client.publish('your-topic', 'Hello MQTT with TLS!', { qos: 1 }, (err) => {
+    if (err) {
+      console.error('Error publishing message:', err);
+    } else {
+      console.log('Message published');
+    }
+    client.end(); // Close the connection after publishing
+  });
+});
+
+client.on('message', (topic, message) => {
+  console.log(`Received message on topic ${topic}: ${message}`);
+  client.end(); // Close the connection after receiving a message
+});
+
+client.on('error', (err) => {
+  console.error('Error:', err);
+  client.end(); // Close the connection in case of an error
+});