Création du BuzzerWatcher et mise à jour des fichiers associés
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services/BuzzerWatcher.js
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39
services/BuzzerWatcher.js
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const ping = require('ping');
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const mqtt = require('mqtt');
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const fs = require('fs');
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// Lecture du fichier de configuration
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const config = JSON.parse(fs.readFileSync('\services\\config\\config.json', 'utf8'));
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// Extraction des informations de config
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const { hosts: { buzzers: { IP: buzzerIPs, MQTTconfig: { mqttHost, mqttTopic } } } } = config;
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// Connexion au broker MQTT
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const client = mqtt.connect(mqttHost);
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client.on('connect', () => {
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console.log(`Connecté au broker MQTT à ${mqttHost}`);
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// Fonction pour pinger les buzzers et publier l'état
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const pingAndPublish = async () => {
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for (const [buzzerName, ip] of Object.entries(buzzerIPs)) {
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try {
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const res = await ping.promise.probe(ip);
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const status = res.alive ? 'online' : 'offline';
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// Publication du statut dans le topic MQTT
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client.publish(`${mqttTopic}`, JSON.stringify({ buzzer: buzzerName, ip, status }));
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console.log(`Ping ${buzzerName} (${ip}) - Status: ${status}`);
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} catch (error) {
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console.error(`Erreur avec le buzzer ${buzzerName} (${ip}):`, error.message);
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}
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}
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};
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// Pinger toutes les 5 secondes
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setInterval(pingAndPublish, 3000);
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});
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client.on('error', (error) => {
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console.error('Erreur de connexion au broker MQTT:', error.message);
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});
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17
services/config/config.json
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services/config/config.json
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{
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"hosts": {
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"buzzers":{
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"IP":{
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"redBuzzerIP": "8.8.8.6",
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"blueBuzzerIP": "8.8.8.8",
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"greenBuzzerIP": "8.8.8.8",
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"yellowBuzzerIP": "8.8.8.8"
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},
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"MQTTconfig":{
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"mqttHost": "mqtt://192.168.1.78",
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"mqttTopic": "buzzer/watcher"
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}
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}
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}
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}
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