http_get.js

const { CNRingMaster } = require('../../chnet/chnet.js');

function do_http_get() {
	let ring = new CNRingMaster;
	let ch = ring.CreateNet("https://www.google.com");

	/*
	 * This user data can be set to anything. It will
	 * be passed into the callback and accessible via
	 * ch.udata variable.
	 */
	ch.SetUserData({
		"test": "abc123",
		"req_id": 123123,
		"buf": ""
	});

	ch.SetRequestHeaders({
		"User-Agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36"
	});

	ch.On("headers_received", function (ch, hdr) {
		console.log(hdr);
	});

	/*
	 * ch.PrepRead() at the bottom of this function
	 * performs asynchronous read. This read_completed
	 * callback will be invoked when the read completes.
	 */
	ch.On("read_completed", function (ch, res) {
		ch.udata.buf += ch.chnet.read_buf();

		/*
		 * Number of bytes successfully read.
		 */
		// console.log(res);

		/*
		 * Do the read again.
		 */
		ch.PrepRead(1024);
	});

	/*
	 * When all body bytes has been read, this eof callback
	 * will be invoked. The HTTP request ends here.
	 */
	ch.On("eof", function (ch, res) {
		console.log(ch.udata.buf);
		ch.chnet.Close();
	});

	/*
	 * Something went wrong.
	 */
	ch.On("error", function (ch, code, err) {
		console.log(ch.udata.buf);
		console.log(code);
		console.log(`Error: ${err}`);
		ch.chnet.Close();
	});

	/*
	 * Read 1024 bytes.
	 */
	ch.PrepRead(1024);
}

do_http_get();