I was just trying to make some simple tests, using nodejs's http module.
Simply said, I attempted to get all response content send by server and check length.
var http = require('http');
http.get(process.argv[2], function(response) {
var dataString = "";
response.on('data', function(data) {
dataString += data.toString();
});
response.on('end', function(){
console.log(dataString.length);
console.log(dataString);
});
});
My problem was that I have found no info about response's events on the nodejs's documentation (like 'data', 'end'; I found them on some forums, though).
Have I missed something? Should have I already know those? Where should I look for a complete nodejs and modules API?
You can find the documentation for the latest stable version of node here.
For your particular case, http.get()/http.request() return a ClientRequest object. This object emits a response event when the server responds (the callback you pass to http.get()/http.request() is a shortcut for adding a response event handler). The argument passed to response event handlers is of type IncomingMessage. IncomingMessage is a Readable stream, that is where the 'data' and 'end' events in particular come from.
The documentation: http://nodejs.org/api/http.html#http_http_incomingmessage
An IncomingMessage object is created by http.Server or http.ClientRequest and passed as the first argument to the 'request' and 'response' event respectively. It may be used to access response status, headers and data.
It implements the Readable Stream interface, as well as the following additional events, methods, and properties
That means that events for data and what not are part of the ReadableStream, which can be found here: http://nodejs.org/api/stream.html#stream_class_stream_readable Other events are as-listed on the http.IncomingMessage documentation.