pub fn discover_coordinator(
disc_port: u16,
host: Option<&str>,
) -> Result<SocketAddr>Expand description
Worker side of star discovery: return the coordinator’s dial address.
host = Some(h) (NAT/Docker) unicasts a query to h:disc_port and dials
h:port from the reply; None listens for the LAN broadcast and dials the
announcing host’s own IP.