Rust: Connect to a socket and talk

net_fetch.rs

extern mod std;

use std::{net_tcp,net_ip};
use std::uv;

fn fetch(code: ~str) -> ~[~str] {

    let ipaddr = net_ip::v4::parse_addr("205.156.51.232");
    let iotask = uv::global_loop::get();
    let connect_result = net_tcp::connect(ipaddr, 80, &iotask);
    let sock;

    let data_get = fmt!(
        "GET /pub/data/observations/metar/decoded/%s.TXT\n HTTP/1.0",
        code.to_ascii().to_upper().to_str_ascii());
    // On 0.6 master branch, this line above should be:
    // code.to_upper().to_str()

    let data_headers = "Host: weather.noaa.gov\n\n";

    match connect_result {
        Ok(socket) => { sock = net_tcp::socket_buf(socket); }
        Err(e) => { println(fmt!("%?", e)); return ~[]; }
    }

    sock.write(data_get.to_bytes());
    sock.write(data_headers.to_bytes());

    return sock.read_lines();
}

fn main() {
    let contents = fetch(~"CYVR");
    println(fmt!("%?", contents));
}