discoverServers function

Future<List<String>> discoverServers({ Duration timeout = const Duration(seconds: 5), })

Discover Music Assistant servers on the local network using mDNS.

Returns a list of server base URLs found within the timeout period.

Implementation

Future<List<String>> discoverServers({Duration timeout = const Duration(seconds: 5)}) async {
  const serviceType = '_mass._tcp.local';
  final servers = <String>{};
  final client = MDnsClient();
  await client.start();

  try {
    await for (final PtrResourceRecord ptr in client.lookup<PtrResourceRecord>(
      ResourceRecordQuery.serverPointer(serviceType),
      timeout: timeout,
    )) {
      await for (final SrvResourceRecord srv in client.lookup<SrvResourceRecord>(
        ResourceRecordQuery.service(ptr.domainName),
      )) {
        final host = srv.target.endsWith('.') ? srv.target.substring(0, srv.target.length - 1) : srv.target;
        servers.add('http://$host:${srv.port}');
        break;
      }
    }
  } finally {
    client.stop();
  }

  return servers.toList();
}