// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file // for details. All rights reserved. Use of this source code is governed by a // BSD-style license that can be found in the LICENSE file. import 'package:shelf/shelf_io.dart' as shelf_io; import 'package:shelf_web_socket/shelf_web_socket.dart'; void main() { var handler = webSocketHandler((webSocket, _) { webSocket.stream.listen((message) { webSocket.sink.add('echo $message'); }); }); shelf_io.serve(handler, 'localhost', 8080).then((server) { print('Serving at ws://${server.address.host}:${server.port}'); }); }