Function choose_available_service_port_for_bind

packages/server/src/main.rs:2437–2445

(preferred: u16, bind: IpAddr)

}

fn choose_available_service_port_for_bind(preferred: u16, bind: IpAddr) -> anyhow::Result<u16> {
    let start = preferred.max(1024);
    for port in start..=u16::MAX {
        if port_available(bind, port) {
            return Ok(port);
        }
    }
    anyhow::bail!("No available SimDeck service port at or above {start}")
}

fn port_available(bind: IpAddr, port: u16) -> bool {
    if bind.is_unspecified() && TcpListener::bind((Ipv4Addr::LOCALHOST, port)).is_err() {