h.js

var http = require('http');
var server = http.createServer(function(req, res) {
  req.on('data', function(c) {
    console.error('req data %j', c.toString());
  });
  req.on('end', function() {
    console.error('req end');
    res.statusCode = 200;
    res.setHeader('x-ok', 'yeah whatever');
    res.write('flurb\n');
    res.write('blerg\n');
    res.end('glorb\n');
    server.close();
  });
});
server.listen(1337);

var client = http.request({
  method: 'POST',
  headers: { 'content-length': 10 },
  port: 1337
});
client.on('data', function(c) {
  console.error('CLIENT data %j', c.toString());
});
client.on('end', function() {
  console.error('CLIENT end');
});
client.write('hello');
client.write('hello');
client.end();