An multicast DNS client in Rust.
Find IP addresses for all Chromecasts on the local network.
extern crate mdns;
use mdns::{Record, RecordKind};
use std::net::IpAddr;
const SERVICE_NAME: &'static str = "_googlecast._tcp.local";
fn main() {
for response in mdns::discover::all(SERVICE_NAME).unwrap() {
let response = response.unwrap();
let addr = response.records()
.filter_map(self::to_ip_addr)
.next();
if let Some(addr) = addr {
println!("found cast device at {}", addr);
} else {
println!("cast device does not advertise address");
}
}
}
fn to_ip_addr(record: &Record) -> Option<IpAddr> {
match record.kind {
RecordKind::A(addr) => Some(addr.into()),
RecordKind::AAAA(addr) => Some(addr.into()),
_ => None,
}
}