mafalda-api/services/matchmaking/randomFree.js

const io  = require('socket.io')(3555);
const nsp = io.of('/randomFree');

class randomFree {

	constructor() {
		nsp.on('connection', (socket) => {
		  console.log('someone connected');
		  this.match();
		});
	}

	match() {
		let clients = Object.keys(nsp.sockets);
		console.log(clients);
		if(clients.length > 1) {

		}
	}

    join(user){
        //join randomFree queue room
    }
}

module.exports = new randomFree();