| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Example script to illustrate how to use the mdns package to discover the port |
| // of a Dart observatory over mDNS. |
| |
| import 'package:multicast_dns/multicast_dns.dart'; |
| |
| Future<void> main() async { |
| // Parse the command line arguments. |
| |
| const String name = '_dartobservatory._tcp.local'; |
| final MDnsClient client = MDnsClient(); |
| // Start the client with default options. |
| await client.start(); |
| |
| // Get the PTR record for the service. |
| await for (final PtrResourceRecord ptr in client |
| .lookup<PtrResourceRecord>(ResourceRecordQuery.serverPointer(name))) { |
| // Use the domainName from the PTR record to get the SRV record, |
| // which will have the port and local hostname. |
| // Note that duplicate messages may come through, especially if any |
| // other mDNS queries are running elsewhere on the machine. |
| await for (final SrvResourceRecord srv in client.lookup<SrvResourceRecord>( |
| ResourceRecordQuery.service(ptr.domainName))) { |
| // Domain name will be something like "io.flutter.example@some-iphone.local._dartobservatory._tcp.local" |
| final String bundleId = |
| ptr.domainName; //.substring(0, ptr.domainName.indexOf('@')); |
| print('Dart observatory instance found at ' |
| '${srv.target}:${srv.port} for "$bundleId".'); |
| } |
| } |
| client.stop(); |
| |
| print('Done.'); |
| } |