Files
sdk/runtime/observatory/lib/service_io.dart
T
Ryan Macnak 37ed87b038 [vm, service, observatory] Bang Bang (My Type System Shot Me Down).
Port the service tests and Observatory to Dart 3.

Change-Id: I8a8b20d8f90acd3b5f741c93f10ba99971aa0c52
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/154825
Commit-Queue: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Ben Konyi <bkonyi@google.com>
2020-10-14 18:16:27 +00:00

57 lines
1.6 KiB
Dart

// 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.
library service_io;
import 'dart:async';
import 'dart:io';
import 'dart:typed_data';
import 'package:logging/logging.dart';
import 'package:observatory/service_common.dart';
// Export the service library.
export 'package:observatory/service_common.dart';
class _IOWebSocket implements CommonWebSocket {
WebSocket? _webSocket;
Future<void> connect(WebSocketVMTarget target, void onOpen(),
void onMessage(dynamic data), void onError(), void onClose()) async {
try {
_webSocket = await WebSocket.connect(target.networkAddress);
_webSocket!.listen(onMessage,
onError: (dynamic) => onError(),
onDone: onClose,
cancelOnError: true);
onOpen();
} catch (_) {
onError();
}
}
bool get isOpen =>
(_webSocket != null) && (_webSocket!.readyState == WebSocket.open);
void send(dynamic data) {
_webSocket!.add(data);
}
void close() {
_webSocket?.close();
}
Future<ByteData> nonStringToByteData(dynamic data) {
assert(data is Uint8List);
Logger.root.info('Binary data size in bytes: ${data.lengthInBytes}');
return new Future.sync(() =>
new ByteData.view(data.buffer, data.offsetInBytes, data.lengthInBytes));
}
}
/// The [WebSocketVM] communicates with a Dart VM over WebSocket.
class WebSocketVM extends CommonWebSocketVM {
WebSocketVM(WebSocketVMTarget target) : super(target, new _IOWebSocket());
}