AIRA/src/discovery.rs

49 lines
1.7 KiB
Rust

use std::thread;
use astro_dnssd::register::DNSServiceBuilder;
use multicast_dns::discovery::{DiscoveryManager, DiscoveryListeners, ResolveListeners};
use crate::{constants, print_error};
const SERVICE_TYPE: &str = "_aira._tcp";
pub fn advertise_me(){
thread::spawn(||{
let mut service = DNSServiceBuilder::new(SERVICE_TYPE)
.with_name("AIRA Node")
.with_port(constants::PORT.parse().unwrap())
.build()
.unwrap();
match service.register(|reply| match reply {
Ok(_) => {},
Err(e) => println!("Error registering: {:?}", e)
}) {
Ok(_) => {
loop {
service.process_result();
}
}
Err(e) => println!("Unable to register mDNS service. You won't be discoverable by others peers. {}", e)
};
});
}
pub fn discover_peers<F: Fn(&DiscoveryManager, String)>(on_service_discovered: F){
let discovery_manager = DiscoveryManager::new();
let result = discovery_manager.discover_services(SERVICE_TYPE, DiscoveryListeners{
on_service_discovered: Some(&|service| {
discovery_manager.resolve_service(service, ResolveListeners{
on_service_resolved: Some(&|service| {
match service.address {
Some(service_ip) => on_service_discovered(&discovery_manager, service_ip),
None => println!("Service discovered without IP address: {:?}", service)
};
})
});
}),
on_all_discovered: Some(&|| {
discovery_manager.stop_service_discovery();
})
});
if result.is_err() {
print_error(result.err().unwrap());
}
}