truta-monitor/index.js

Framework for monitoring application performance in real time.

const express = require('express');
const http = require('http');
const socketIo = require('socket.io');
const os = require('os');
const path = require('path');

const app = express();
const server = http.createServer(app);
const io = socketIo(server);

const projectName = path.basename(__dirname);

app.use(express.static('public'));

app.get('/project-name', (req, res) => {
    res.json({ projectName });
});

io.on('connection', (socket) => {
    console.log('Novo cliente conectado');
    setInterval(() => {
        const cpuUsage = os.loadavg()[0] * 100;
        const memoryUsage = (os.totalmem() - os.freemem()) / os.totalmem() * 100;
        socket.emit('metrics', { cpuUsage, memoryUsage });
    }, 1000);

    socket.on('disconnect', () => {
        console.log('Cliente desconectado');
    });
});

const port = 3000;
server.listen(port, () => console.log(`Servidor rodando em http://localhost:${port}`));