gistfile1.txt

use std::net::UdpSocket;
use std::env;

fn main() {
    let src = env::args().nth(1).unwrap();
    let dst = env::args().nth(2).unwrap();
    println!("src {} dst {}", src, dst);

    let mut buf = [0; 256];

    let fd = UdpSocket::bind(&src).unwrap();

    fd.send_to(b"hi rachel", &dst).unwrap();
    fd.recv_from(&mut buf).unwrap();

    println!("Received: {}", std::str::from_utf8(&buf).unwrap());
}

cargo run -- "192.168.1.5:4444" "192.168.1.10:4444"