Primus GH-398

client.js

'use strict';

const eio = require('engine.io-client');

new eio('http://localhost:3000/');

package.json

{
  "name": "gh-398",
  "version": "0.0.0",
  "description": "",
  "dependencies": {
    "engine.io": "^1.6.1",
    "engine.io-client": "^1.6.1"
  },
  "scripts": {
    "start": "node server.js"
  },
  "author": "",
  "license": "MIT"
}

server.js

'use strict';

const fork = require('child_process').fork;
const eio = require('engine.io');
const http = require('http');

const server = http.createServer();
const io = eio.attach(server);
let count = 0;
let client;

io.on('connection', socket => {
  count++;
  console.log('%s connected, count %s', socket.id, count);
  client.kill();
  socket.on('close', () => {
    count--;
    console.log('%s disconnected, count %s', socket.id, count);
  });
});

server.listen(3000, function createClient() {
  client = fork(__dirname + '/client.js');
  client.on('close', createClient);
});