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Implement Equals & GetHashCode for LingerOption - fix Socket outerloop tests #78747

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merged 2 commits into from
Nov 24, 2022
Merged

Implement Equals & GetHashCode for LingerOption - fix Socket outerloop tests #78747

merged 2 commits into from
Nov 24, 2022

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wfurt
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@wfurt wfurt commented Nov 23, 2022

This is regression from #74645 & #73499
On Linux and macOS the test fail on Debug Assert

     System.Net.Sockets.Tests.DualModeConnectToDnsEndPoint.DualModeConnect_DnsEndPointToHost_Helper [SKIP]
        Condition(s) not met: "LocalhostIsBothIPv4AndIPv6"
  Process terminated. Assertion failed.
  LingerState. Expected: System.Net.Sockets.LingerOption, Actual: System.Net.Sockets.LingerOption
     at System.Net.Sockets.Socket.CopyStateFromSource(Socket source) in /home/furt/github/wfurt-runtime/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Unix.cs:line 288
     at System.Net.Sockets.SocketAsyncEventArgs.FinishOperationAccept(SocketAddress remoteSocketAddress) in /home/furt/github/wfurt-runtime/src/libraries/System.Net.Sockets/src/System/Net/Sockets/SocketAsyncEventArgs.Unix.cs:line 348
     at System.Net.Sockets.SocketAsyncEventArgs.FinishOperationSyncSuccess(Int32 bytesTransferred, SocketFlags flags) in /home/furt/github/wfurt-

macOS additionally fails with exception as some of the gutters are not supported

     System.Net.Sockets.Tests.CreateSocket.Ctor_Raw_Supported_Success [SKIP]
        Condition(s) not met: "SupportsRawSockets"
  Unhandled exception. Unhandled exception. System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation.
   ---> System.Net.Sockets.SocketException (45): Operation not supported
     at System.Net.Sockets.Socket.UpdateStatusAfterSocketErrorAndThrowException(SocketError error, Boolean disconnectOnFailure, String callerName) in /Users/furt/github/wfurt-runtime/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.cs:line 3660
     at System.Net.Sockets.Socket.UpdateStatusAfterSocketOptionErrorAndThrowException(SocketError error, String callerName) in /Users/furt/github/wfurt-runtime/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.cs:line 3651
     at System.Net.Sockets.Socket.GetSocketOption(SocketOptionLevel optionLevel, SocketOptionName optionName) in /Users/furt/github/wfurt-runtime/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.cs:line 2024
     at System.Net.Sockets.Socket.get_DontFragment() in /Users/furt/github/wfurt-runtime/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.cs:line 642
     at System.RuntimeMethodHandle.InvokeMethod(Object target, Void** arguments, Signature sig, Boolean isConstructor)
     at System.Reflection.MethodInvoker.Invoke(Object obj, IntPtr* args, BindingFlags invokeAttr) in /Users/furt/github/wfurt-runtime/src/libraries/System.Private.CoreLib/src/System/Reflection/MethodInvoker.cs:line 59
     --- End of inner exception stack trace ---

with this I can run tests with /p:outerloop=true once again on Unix

@wfurt wfurt self-assigned this Nov 23, 2022
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Issue Details

This is regression from #74645 & #73499
On Linux and macOS the test fail on Debug Assert

     System.Net.Sockets.Tests.DualModeConnectToDnsEndPoint.DualModeConnect_DnsEndPointToHost_Helper [SKIP]
        Condition(s) not met: "LocalhostIsBothIPv4AndIPv6"
  Process terminated. Assertion failed.
  LingerState. Expected: System.Net.Sockets.LingerOption, Actual: System.Net.Sockets.LingerOption
     at System.Net.Sockets.Socket.CopyStateFromSource(Socket source) in /home/furt/github/wfurt-runtime/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Unix.cs:line 288
     at System.Net.Sockets.SocketAsyncEventArgs.FinishOperationAccept(SocketAddress remoteSocketAddress) in /home/furt/github/wfurt-runtime/src/libraries/System.Net.Sockets/src/System/Net/Sockets/SocketAsyncEventArgs.Unix.cs:line 348
     at System.Net.Sockets.SocketAsyncEventArgs.FinishOperationSyncSuccess(Int32 bytesTransferred, SocketFlags flags) in /home/furt/github/wfurt-

macOS additionally fails with exception as some of the gutters are not supported

     System.Net.Sockets.Tests.CreateSocket.Ctor_Raw_Supported_Success [SKIP]
        Condition(s) not met: "SupportsRawSockets"
  Unhandled exception. Unhandled exception. System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation.
   ---> System.Net.Sockets.SocketException (45): Operation not supported
     at System.Net.Sockets.Socket.UpdateStatusAfterSocketErrorAndThrowException(SocketError error, Boolean disconnectOnFailure, String callerName) in /Users/furt/github/wfurt-runtime/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.cs:line 3660
     at System.Net.Sockets.Socket.UpdateStatusAfterSocketOptionErrorAndThrowException(SocketError error, String callerName) in /Users/furt/github/wfurt-runtime/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.cs:line 3651
     at System.Net.Sockets.Socket.GetSocketOption(SocketOptionLevel optionLevel, SocketOptionName optionName) in /Users/furt/github/wfurt-runtime/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.cs:line 2024
     at System.Net.Sockets.Socket.get_DontFragment() in /Users/furt/github/wfurt-runtime/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.cs:line 642
     at System.RuntimeMethodHandle.InvokeMethod(Object target, Void** arguments, Signature sig, Boolean isConstructor)
     at System.Reflection.MethodInvoker.Invoke(Object obj, IntPtr* args, BindingFlags invokeAttr) in /Users/furt/github/wfurt-runtime/src/libraries/System.Private.CoreLib/src/System/Reflection/MethodInvoker.cs:line 59
     --- End of inner exception stack trace ---

with this I can run tests with /p:outerloop=true once again on Unix

Author: wfurt
Assignees: wfurt
Labels:

area-System.Net.Sockets
Milestone: -

liveans
liveans approved these changes Nov 23, 2022
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LGTM! :shipit:

antonfirsov
antonfirsov reviewed Nov 23, 2022
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We should rename the PR, and it would be nice to understand better what is going wrong in the original variant. Looks good otherwise.

src/libraries/System.Net.Sockets/src/System/Net/Sockets/LingerOption.cs Outdated Show resolved Hide resolved
src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Unix.cs
object? origValue = pi.GetValue(source);
object? cloneValue = pi.GetValue(this);

Debug.Assert(Equals(origValue, cloneValue), $"{pi.Name}. Expected: {origValue}, Actual: {cloneValue}");
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@antonfirsov antonfirsov Nov 23, 2022 •
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It is very weird that Equals(origValue, cloneValue) == false for LingerOption on Unix only. They should be equal by reference regardless of the platform.

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Maybe @liveans knows the answer? Part of the difference is that Windows support Accept from socket natively while on Unix we construct it behind the scenes.

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@liveans liveans Nov 23, 2022 •
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I just realized that, when we create a new SafeSocketHandle for this purpose, we're not replacing public properties, we're just replacing private variables, that can be root cause of the issue. I'm going to raise a PR for this.

Edit: It turns out that wasn't the problem, but we need Equals function anyway, because we're creating new instance for LingerOption everytime we try to get value from LingerState.

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After this PR gets merged, I'll open a PR for transferring handle state between temporary and new handles for this case, as we already did here in ReplaceHandle method:

runtime/src/libraries/System.Net.Sockets/src/System/Net/Sockets/Socket.Unix.cs

Lines 160 to 169 in d104e34

if (_handle.IsTrackedOption(TrackedSocketOptions.DualMode)) DualMode = _handle.DualMode;
if (_handle.IsTrackedOption(TrackedSocketOptions.DontFragment)) DontFragment = dontFragment;
if (_handle.IsTrackedOption(TrackedSocketOptions.EnableBroadcast)) EnableBroadcast = broadcast;
if (_handle.IsTrackedOption(TrackedSocketOptions.LingerState)) LingerState = linger!;
if (_handle.IsTrackedOption(TrackedSocketOptions.NoDelay)) NoDelay = noDelay;
if (_handle.IsTrackedOption(TrackedSocketOptions.ReceiveBufferSize)) ReceiveBufferSize = receiveSize;
if (_handle.IsTrackedOption(TrackedSocketOptions.ReceiveTimeout)) ReceiveTimeout = receiveTimeout;
if (_handle.IsTrackedOption(TrackedSocketOptions.SendBufferSize)) SendBufferSize = sendSize;
if (_handle.IsTrackedOption(TrackedSocketOptions.SendTimeout)) SendTimeout = sendTimeout;
if (_handle.IsTrackedOption(TrackedSocketOptions.Ttl)) Ttl = ttl;

@antonfirsov antonfirsov mentioned this pull request Nov 23, 2022
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/azp run runtime-libraries-coreclr outerloop

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/azp run runtime-libraries-coreclr outerloop

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Outerloop seems to be broken, innerloop failure is #69101

@antonfirsov antonfirsov changed the title fix Socket outerloop tests Implement Equals & GetHashCode for LingerOption - fix Socket outerloop tests Nov 24, 2022
@antonfirsov antonfirsov merged commit a230293 into dotnet:main Nov 24, 2022
@ghost ghost locked as resolved and limited conversation to collaborators Dec 25, 2022
@karelz karelz added this to the 8.0.0 milestone Mar 22, 2023
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@liveans liveans liveans approved these changes

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@antonfirsov antonfirsov antonfirsov approved these changes

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