fn dumb() {
    let mut sock = std::net::TcpStream::connect("127.0.0.1:48999").unwrap();
    use std::io::{Read, Write};
    let now = std::time::Instant::now();
    for _ in 0..5000 {
        let mut buf = [0; 50];
        sock.write_all(b"\
            \0\0(\0\0\0\x7f\0\0\x01\x01\x01\0\0\x01\x02\x03\x04\x05\x06S\x03\x02\0\
            \x05\0\x0c\0\0\0\0\0\0\0\x01\0\0\0\0\0\0\0\x04\0\0\0\xa4\xe0\xfbD").unwrap();
        sock.read_exact(&mut buf).unwrap();
    }
    println!("dumb:   {:?}", now.elapsed());
}

fn with_client() {
    let timeout = ads::Timeouts::new(std::time::Duration::from_secs(1));
    let client = ads::Client::new("127.0.0.1:48999", timeout, ads::Source::Auto).unwrap();
    let dev = client.device(ads::AmsAddr::new([1, 2, 3, 4, 5, 6].into(), 851));
    let mut data = [0; 4];
    let now = std::time::Instant::now();
    for _ in 0..5000 {
        dev.read(0x4020, 0, &mut data).unwrap();
    }
    println!("client: {:?}", now.elapsed());
}

fn main() {
    dumb();
    with_client();
}