node-mir-server/GateServer/index.js

const net = require('net');
const EventEmitter = require('events');

class GateServer extends EventEmitter {
    constructor(port, host) {
        super();
        this.port = port;
        this.host = host;
        this.server = net.createServer(this.handleConnection.bind(this));
    }

    start() {
        this.server.listen(this.port, this.host, () => {
            console.log(`GateServer is listening on ${this.host}:${this.port}`);
        });
    }

    handleConnection(socket) {
        console.log('New client connected');
        this.emit('connection', socket);

        socket.on('data', (data) => {
            this.emit('data', socket, data);
        });

        socket.on('end', () => {
            console.log('Client disconnected');
            this.emit('end', socket);
        });

        socket.on('error', (err) => {
            console.error('Socket error:', err);
            this.emit('error', err);
        });
    }
}

module.exports = GateServer;