51 lines
1.5 KiB
C#
51 lines
1.5 KiB
C#
// Copyright (c) .NET Foundation and contributors. All rights reserved.
|
|
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
|
|
|
|
using System;
|
|
using System.IO;
|
|
using System.Threading.Tasks;
|
|
|
|
namespace Microsoft.DotNet.Cli.Utils
|
|
{
|
|
public static class FileAccessRetrier
|
|
{
|
|
public static async Task<T> RetryOnFileAccessFailure<T>(Func<T> func, int maxRetries = 3000, TimeSpan sleepDuration = default(TimeSpan))
|
|
{
|
|
var attemptsLeft = maxRetries;
|
|
|
|
if (sleepDuration == default(TimeSpan))
|
|
{
|
|
sleepDuration = TimeSpan.FromMilliseconds(10);
|
|
}
|
|
|
|
while (true)
|
|
{
|
|
if (attemptsLeft < 1)
|
|
{
|
|
throw new InvalidOperationException(LocalizableStrings.CouldNotAccessAssetsFile);
|
|
}
|
|
|
|
attemptsLeft--;
|
|
|
|
try
|
|
{
|
|
return func();
|
|
}
|
|
catch (UnauthorizedAccessException)
|
|
{
|
|
// This can occur when the file is being deleted
|
|
// Or when an admin user has locked the file
|
|
await Task.Delay(sleepDuration);
|
|
|
|
continue;
|
|
}
|
|
catch (IOException)
|
|
{
|
|
await Task.Delay(sleepDuration);
|
|
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|