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fixes for ARM32 #34559

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Jan 18, 2019
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fixes for ARM32 #34559

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3fe4f3f
arm fixes
wfurt Jan 11, 2019
4441d5e
use PassingTestTimeoutMilliseconds instead of hardcoded number
wfurt Jan 14, 2019
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4 changes: 2 additions & 2 deletions src/System.Net.Http/src/System/Net/Http/CurlHandler/CurlHandler.EasyRequest.cs
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Expand Up @@ -311,8 +311,8 @@ private void SetMultithreading()

private void SetTimeouts()
{
// Set timeout limit on the connect phase.
SetCurlOption(CURLoption.CURLOPT_CONNECTTIMEOUT_MS, int.MaxValue);
// Set timeout limit on the connect phase. curl has bug on ARM so use max - 1s.
SetCurlOption(CURLoption.CURLOPT_CONNECTTIMEOUT_MS, int.MaxValue - 1000);
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It's probably worth opening a bug against curl, even if we have a work around. Their bug tracker is here.

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I was thinking about it. I would need to probably isolate C repo and show behavior with some public server.


// Override the default DNS cache timeout. libcurl defaults to a 1 minute
// timeout, but we extend that to match the Windows timeout of 10 minutes.
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10 changes: 9 additions & 1 deletion src/System.Net.Http/tests/FunctionalTests/NtAuthTests.cs
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Expand Up @@ -48,13 +48,21 @@ public NtAuthServer(AuthenticationSchemes authSchemes)
{
// Ignore.
}
catch (ObjectDisposedException)
{
// Ignore.
}
catch (InvalidOperationException)
{
// Ignore.
}
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This seems like it's hiding a symptom. Is there an underlying problem we should be fixing instead?

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I could be wrong but I don't think so. We initialize instances when the class loads. And then we skip the test and we immediately hit Dispose() Now, on busy/slow system this happens before the task runs end executes the listener call. That can either lead to timeout, object disposed exception or invalid operation based on exact timing. In that case I saw on ARM32 the actual test was skipped but hit "Error: (not Fail) just loading and unloading the test class.

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on busy/slow system this happens before the task runs end executes the listener call

What's the stack of the exceptions you're seeing?

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This is from my x64 VM Machine

       Condition(s) not met: "IsSelectedSitesTestEnabled"
      [Test Class Cleanup Failure (System.Net.Http.Functional.Tests.NtAuthTests)] System.AggregateException
        System.AggregateException : One or more errors occurred. (Cannot access a disposed object.
        Object name: 'listener'.)
        ---- System.ObjectDisposedException : Cannot access a disposed object.
        Object name: 'listener'.
        Stack Trace:
          /root/coreclr/src/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs(2843,0): at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
          /root/coreclr/src/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs(2714,0): at System.Threading.Tasks.Task.Wait()
          /home/furt/git/wfurt-corefx/src/System.Net.Http/tests/FunctionalTests/NtAuthTests.cs(57,0): at System.Net.Http.Functional.Tests.NtAuthServer.Dispose()
          /home/furt/git/wfurt-corefx/src/System.Net.Http/tests/FunctionalTests/NtAuthTests.cs(95,0): at System.Net.Http.Functional.Tests.NtAuthServers.Dispose()
          ----- Inner Stack Trace -----
          /home/furt/git/wfurt-corefx/src/System.Net.HttpListener/src/System/Net/Managed/ListenerAsyncResult.Managed.cs(197,0): at System.Net.ListenerAsyncResult.GetContext()
          /home/furt/git/wfurt-corefx/src/System.Net.HttpListener/src/System/Net/Managed/HttpListener.Managed.cs(347,0): at System.Net.HttpListener.EndGetContext(IAsyncResult asyncResult)
          /home/furt/git/wfurt-corefx/src/System.Net.HttpListener/src/System/Net/HttpListener.cs(290,0): at System.Net.HttpListener.<>c.<GetContextAsync>b__44_1(IAsyncResult iar)
          /root/coreclr/src/System.Private.CoreLib/src/System/Threading/Tasks/FutureFactory.cs(529,0): at System.Threading.Tasks.TaskFactory`1.FromAsyncCoreLogic(IAsyncResult iar, Func`2 endFunction, Action`1 endAction, Task`1 promise, Boolean requiresSynchronization)
          --- End of stack trace from previous location where exception was thrown ---
          /home/furt/git/wfurt-corefx/src/System.Net.Http/tests/FunctionalTests/NtAuthTests.cs(34,0): at System.Net.Http.Functional.Tests.NtAuthServer.<.ctor>b__4_0()

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I see, ok. GetContext documents both InvalidOperationException and ObjectDisposedException as occurring in cases like this, where the HttpListener may not be listening or has been disposed of already, so... ok. Subsequently it might be nice to try to restructure the tests to avoid this, but I agree your tactical fix is good to go ahead with now.

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I originally started on path to add synchronization.
But than it looked like unnecessary complexity for cases when we do not run the test anyway.

});
}

public void Dispose()
{
_listener.Stop();
_serverTask.Wait();
_serverTask.Wait(TestHelper.PassingTestTimeoutMilliseconds);
}

public string BaseUrl { get; private set; }
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2 changes: 1 addition & 1 deletion src/System.Net.Http/tests/FunctionalTests/TestHelper.cs
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Expand Up @@ -93,7 +93,7 @@ public static byte[] ComputeMD5Hash(byte[] data)

public static Task WhenAllCompletedOrAnyFailed(params Task[] tasks)
{
return TaskTimeoutExtensions.WhenAllOrAnyFailed(tasks);
return TaskTimeoutExtensions.WhenAllOrAnyFailed(tasks, PlatformDetection.IsArmProcess || PlatformDetection.IsArm64Process ? 30_000 : 10_000);
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}

public static Task WhenAllCompletedOrAnyFailedWithTimeout(int timeoutInMilliseconds, params Task[] tasks)
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