Zach Anderson
afb490adbc
This CL updates dart:io but not dart:_http. It updates the sdk sources, the patch files, and tests. Change-Id: I64c3da407f09fa2bc6eec582049c4ae3a8afbe6d Reviewed-on: https://dart-review.googlesource.com/52990 Commit-Queue: Zach Anderson <zra@google.com> Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
34 lines
986 B
Dart
34 lines
986 B
Dart
// Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import 'dart:async';
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import 'dart:io';
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Future<int> freeIPv4AndIPv6Port() async {
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var socket =
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await ServerSocket.bind(InternetAddress.anyIPv6, 0, v6Only: false);
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int port = socket.port;
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await socket.close();
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return port;
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}
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int lastRetryId = 0;
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Future retry(Future fun(), {int maxCount: 10}) async {
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final int id = lastRetryId++;
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for (int i = 0; i < maxCount; i++) {
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try {
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// If there is no exception this will simply return, otherwise we keep
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// trying.
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return await fun();
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} catch (e, stack) {
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print("Failed to execute test closure (retry id: ${id}) in attempt $i "
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"(${maxCount - i} retries left).");
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print("Exception: ${e}");
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print("Stacktrace: ${stack}");
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}
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}
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return await fun();
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}
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