Question

I am just beginning to play around with node.js and was looking through the documentation. This code doesn’t even run:

var http = require('http');
http.createServer(function (req, res) {
  res.writeHead(200, {'Content-Type': 'text/plain'});
  res.end('Hello Node.js\n');
}).listen(80, "127.0.0.1");
http.Server.addListener('request', function(req,res){
  console.log(req.headers);
});
console.log('Server running at http://127.0.0.1');

I am trying to add a listener to the server object for the ‘request’ event. Under the documentation ‘request’ is listed as an event under http.Server.

Am I fundamentally misunderstanding something here? How would you go about adding a seperate listener function for the ‘request’ event? (that is, not overwriting the one added during createServer).

Answer 1

It looks like listen isn’t chainable, and you’re not storing your server object. Try:

var http = require('http');
var myServer = http.createServer(function (req, res) {
    res.writeHead(200, {'Content-Type': 'text/plain'});
    res.end('Hello Node.js\n');
});
myServer.listen(80, "127.0.0.1");
myServer.addListener('request', function(req,res){
    console.log(req.headers);
});

That seems to work in my testing.