Node.Js Example TCP Server

app-tcp.js

var net = require('net');

var server = net.createServer(function(socket) {
  socket.write('Hello TCP!');
  socket.pipe(socket);

  // for testing purposes we handle client side errors
  socket.on('error', function(err) {
    if (err.code === 'ECONNRESET') {
      console.error('Client closed connection');
    } else {
      console.error(err);
    }
  });
});

server.listen(4444, '127.0.0.1');

// run this server with 
// node app-tcp.js