rust http client

main.rs

    use std::io::prelude::*;
    use std::net::TcpStream;

    fn main() {
        let mut b = vec![0; 4096];
        let mut s = String::new();
        let headers = "GET /ip HTTP/1.1\r\nHost: httpbin.org\r\nUser-Agent: foobar/0.0.1\r\nAccept: */*\r\n\r\n";

        let mut stream = TcpStream::connect("httpbin.org:80").unwrap();
        stream.write(headers.as_bytes()).unwrap();
        
        loop {
            match stream.read(&mut b) {
                Ok(n) => {
                    if n == 0 {
                        break;
                    }

                    let text = std::str::from_utf8(&b).unwrap();
                    s.push_str(text);
                },

                Err(e) => panic!(e)
            }
        }

        print!("{}", s);
    }