gistfile1.js

var http = require("http");

var port = process.env.PORT || 8000;

var listeners = [];

function server(request, response) {
  switch (request.method) {
    case "GET":
      listen(request, response);
      break;
    case "POST":
      speak(request, response);
      break;
    default:
      method_not_allowed(response);
  }
}

function listen(request, response) {
  response.writeHead(200, "OK", {
    "Transfer-Encoding": "chunked"
  });
  listeners.push(response);
}

function speak(request, response) {
  listeners.forEach(function(listener) {
    request.pipe(listener);
  });

  response.writeHead(204, "No Content");
  response.end();
}

function method_not_allowed(response) {
  response.writeHead(405, "Method Not Allowed", {
    "Allow": "GET, POST",
    "Connection": "close",
    "Content-Length": 0
  });
  response.end();
}

http.createServer(server).listen(port)