65 lines
2.7 KiB
C#
65 lines
2.7 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System;
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using System.Diagnostics;
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using System.Runtime.CompilerServices;
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using System.Threading;
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using System.Threading.Tasks;
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namespace Microsoft.AspNetCore.SignalR.Tests.Common
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{
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public static class TaskExtensions
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{
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private const int DefaultTimeout = 5000;
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public static Task OrTimeout(this Task task, int milliseconds = DefaultTimeout, [CallerMemberName] string memberName = null, [CallerFilePath] string filePath = null, [CallerLineNumber] int? lineNumber = null)
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{
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return OrTimeout(task, new TimeSpan(0, 0, 0, 0, milliseconds), memberName, filePath, lineNumber);
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}
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public static async Task OrTimeout(this Task task, TimeSpan timeout, [CallerMemberName] string memberName = null, [CallerFilePath] string filePath = null, [CallerLineNumber] int? lineNumber = null)
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{
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var cts = new CancellationTokenSource();
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var completed = await Task.WhenAny(task, Task.Delay(Debugger.IsAttached ? Timeout.InfiniteTimeSpan : timeout, cts.Token));
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if (completed != task)
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{
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throw new TimeoutException(GetMessage(memberName, filePath, lineNumber));
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}
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cts.Cancel();
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await task;
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}
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public static Task<T> OrTimeout<T>(this Task<T> task, int milliseconds = DefaultTimeout, [CallerMemberName] string memberName = null, [CallerFilePath] string filePath = null, [CallerLineNumber] int? lineNumber = null)
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{
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return OrTimeout(task, new TimeSpan(0, 0, 0, 0, milliseconds), memberName, filePath, lineNumber);
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}
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public static async Task<T> OrTimeout<T>(this Task<T> task, TimeSpan timeout, [CallerMemberName] string memberName = null, [CallerFilePath] string filePath = null, [CallerLineNumber] int? lineNumber = null)
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{
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var cts = new CancellationTokenSource();
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var completed = await Task.WhenAny(task, Task.Delay(Debugger.IsAttached ? Timeout.InfiniteTimeSpan : timeout, cts.Token));
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if (completed != task)
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{
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throw new TimeoutException(GetMessage(memberName, filePath, lineNumber));
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}
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cts.Cancel();
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return await task;
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}
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private static string GetMessage(string memberName, string filePath, int? lineNumber)
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{
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if (!string.IsNullOrEmpty(memberName))
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{
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return $"Operation in {memberName} timed out at {filePath}:{lineNumber}";
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}
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else
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{
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return "Operation timed out";
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}
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}
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}
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}
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