simple-http-client.rs

// simple HTTP client, based on
// https://mail.mozilla.org/pipermail/rust-dev/2013-August/005117.html
//
// Note: Envvar RUST_NEWRT=1 is required to compile and run this.

use std::rt::io::net::ip::{Ipv4Addr, SocketAddr};
use std::rt::io::net::tcp::TcpStream;
use std::rt::io::{Reader, Writer};
use std::str;

fn main() {
    let mut stream = TcpStream::connect(
	    SocketAddr { ip: Ipv4Addr(204, 232, 212, 130), port: 80 }
	).expect("failed to connect");

    stream.write(bytes!("GET / HTTP/1.0\r\n\r\n").to_owned());
    let mut buf = [0u8, ..2000];
    match stream.read(buf) {
	None => fail!("Read error"),
	Some(bytes_read) => {
	    println(str::from_bytes(buf.slice_to(bytes_read)));
	}
    }
}

TODO: SocketAddrのFromStrを使って書き直すこと。
see rust-lang/rust#8336