var TcpTransport = require("../lib/net/tcp"); function start() { var server = new TcpTransport({port: 22333}); // In node 0.12/io 1.0 we can use {host: x, port: y} syntax so it'll // be more compatible with the ws transport options. server.listen(22333, "127.0.0.1"); server.on("connection", function(client) { client.on("message", function(command, payload) { if (command === "echo-req") { client.send("echo-res", payload); } }); }); } start();