Talk to sockets

socketTalk.js

const http = require('http');

// Create an HTTP server
var srv = http.createServer( (req, res) => {
	res.writeHead(200, {'Content-Type': 'text/plain'});
	res.end('okay');
});
srv.on('upgrade', (req, socket, head) => {
	socket.write('HTTP/1.1 101 Web Socket Protocol Handshake\r\n' +
							 'Upgrade: WebSocket\r\n' +
							 'Connection: Upgrade\r\n' +
							 '\r\n');

	socket.pipe(socket); // echo back
});

// now that server is running
srv.listen(9000, '127.0.0.1', () => {

	// make a request
	var options = {
		port: 9000,
		hostname: '127.0.0.1',
		headers: {
			'Connection': 'Upgrade',
			'Upgrade': 'websocket'
		}
	};

	var req = http.request(options);
	req.end();

	req.on('upgrade', (res, socket, upgradeHead) => {
		console.log('got upgraded!');
		socket.end();
		//process.exit(0);
	});
});