use std::net::SocketAddr;
use tokio::net::UdpSocket;

pub fn new_udp_reuseport(local_addr: SocketAddr) -> UdpSocket {
    let udp_sock = socket2::Socket::new(
        if local_addr.is_ipv4() {
            socket2::Domain::IPV4
        } else {
            socket2::Domain::IPV6
        },
        socket2::Type::DGRAM,
        None,
    )
    .unwrap();
    udp_sock.set_reuse_port(true).unwrap();
    // from tokio-rs/mio/blob/master/src/sys/unix/net.rs
    udp_sock.set_cloexec(true).unwrap();
    udp_sock.set_nonblocking(true).unwrap();
    udp_sock.bind(&socket2::SockAddr::from(local_addr)).unwrap();
    let udp_sock: std::net::UdpSocket = udp_sock.into();
    udp_sock.try_into().unwrap()
}