Do HTTP request with raw sockets

raw_http.rs

use std::net::TcpStream;
use std::io::{Write, Read};

fn main() {
    let target_addr = "54.243.92.110:80"; // httpbin.org
    let mut stream = TcpStream::connect(target_addr).unwrap();
    stream.write(b"GET /ip HTTP/1.1\r\nHost: httpbin.org\r\nConnection: close\r\n\r\n");

    let mut buff = [0; 65536];
    stream.read(&mut buff);
    println!("{}", std::str::from_utf8(&buff).unwrap())
}