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Interrupt existing subchannel connect attempt when reconnect is requested #2410

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merged 3 commits into from
Apr 13, 2024

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@JamesNK JamesNK commented Apr 12, 2024

A subchannel should only have one concurrent attempt to connect. I noticed a rare scenario there could breifly be multiple:

  1. Subchannel starts trying to connect.
  2. Subchannel fails to connect and waits for backoff before trying again.
  3. Resolver changes all of the subchannel's addresses and requests it to reconnect
  4. Previous connection attempt in backoff tries to connect one more time before exiting

Fix is to immediately interrupt previous connect attempt.

@JamesNK JamesNK merged commit f2709f1 into grpc:master Apr 13, 2024
5 checks passed
@JamesNK JamesNK deleted the jamesnk/tryconnect-interrupt branch April 13, 2024 05:39
oguzhand95 referenced this pull request in cerbos/cerbos-sdk-net May 31, 2024
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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [Google.Protobuf](https://togithub.com/protocolbuffers/protobuf) |
`3.26.1` -> `3.27.0` |
[![age](https://developer.mend.io/api/mc/badges/age/nuget/Google.Protobuf/3.27.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/nuget/Google.Protobuf/3.27.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/nuget/Google.Protobuf/3.26.1/3.27.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/nuget/Google.Protobuf/3.26.1/3.27.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
| [Grpc.Net.Client](https://togithub.com/grpc/grpc-dotnet) | `2.62.0` ->
`2.63.0` |
[![age](https://developer.mend.io/api/mc/badges/age/nuget/Grpc.Net.Client/2.63.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/nuget/Grpc.Net.Client/2.63.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/nuget/Grpc.Net.Client/2.62.0/2.63.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
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|
| [Microsoft.NET.Test.Sdk](https://togithub.com/microsoft/vstest) |
`17.9.0` -> `17.10.0` |
[![age](https://developer.mend.io/api/mc/badges/age/nuget/Microsoft.NET.Test.Sdk/17.10.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
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|
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|
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|

---

### Release Notes

<details>
<summary>grpc/grpc-dotnet (Grpc.Net.Client)</summary>

###
[`v2.63.0`](https://togithub.com/grpc/grpc-dotnet/releases/tag/v2.63.0)

##### What's Changed

- Prevent block inside ResolveAsync from blocking
PollingResolver.Refresh by
[@&#8203;JamesNK](https://togithub.com/JamesNK) in
[https://github.com/grpc/grpc-dotnet/pull/2385](https://togithub.com/grpc/grpc-dotnet/pull/2385)
- Bump follow-redirects from 1.15.4 to 1.15.6 in
/testassets/InteropTestsGrpcWebWebsite/Tests by
[@&#8203;dependabot](https://togithub.com/dependabot) in
[https://github.com/grpc/grpc-dotnet/pull/2392](https://togithub.com/grpc/grpc-dotnet/pull/2392)
- Update microsoft-support.md by
[@&#8203;JamesNK](https://togithub.com/JamesNK) in
[https://github.com/grpc/grpc-dotnet/pull/2403](https://togithub.com/grpc/grpc-dotnet/pull/2403)
- fix a couple typos in README.md by
[@&#8203;jjanuszkiewicz](https://togithub.com/jjanuszkiewicz) in
[https://github.com/grpc/grpc-dotnet/pull/2397](https://togithub.com/grpc/grpc-dotnet/pull/2397)
- Interrupt existing subchannel connect attempt when reconnect is
requested by [@&#8203;JamesNK](https://togithub.com/JamesNK) in
[https://github.com/grpc/grpc-dotnet/pull/2410](https://togithub.com/grpc/grpc-dotnet/pull/2410)
- Update Directory.Packages.props by
[@&#8203;WeihanLi](https://togithub.com/WeihanLi) in
[https://github.com/grpc/grpc-dotnet/pull/2413](https://togithub.com/grpc/grpc-dotnet/pull/2413)
- [#&#8203;2401](https://togithub.com/grpc/grpc-dotnet/issues/2401) Add
new TFM's so package dependency can be removed by
[@&#8203;thompson-tomo](https://togithub.com/thompson-tomo) in
[https://github.com/grpc/grpc-dotnet/pull/2402](https://togithub.com/grpc/grpc-dotnet/pull/2402)
- support `ReadAllAsync` for netstandard2.0 by
[@&#8203;WeihanLi](https://togithub.com/WeihanLi) in
[https://github.com/grpc/grpc-dotnet/pull/2411](https://togithub.com/grpc/grpc-dotnet/pull/2411)
- Fix ObjectDisposedException message by
[@&#8203;drewnoakes](https://togithub.com/drewnoakes) in
[https://github.com/grpc/grpc-dotnet/pull/2415](https://togithub.com/grpc/grpc-dotnet/pull/2415)
- Enable multiple connections with WinHttpHandler by default by
[@&#8203;JamesNK](https://togithub.com/JamesNK) in
[https://github.com/grpc/grpc-dotnet/pull/2416](https://togithub.com/grpc/grpc-dotnet/pull/2416)
- Fix memory leak when using call context propagation with cancellation
token by [@&#8203;JamesNK](https://togithub.com/JamesNK) in
[https://github.com/grpc/grpc-dotnet/pull/2421](https://togithub.com/grpc/grpc-dotnet/pull/2421)
- Fix HTTP/3 test errors on .NET 6 by
[@&#8203;JamesNK](https://togithub.com/JamesNK) in
[https://github.com/grpc/grpc-dotnet/pull/2423](https://togithub.com/grpc/grpc-dotnet/pull/2423)
- Add semaphore to limit subchannel connect to prevent race conditions
by [@&#8203;JamesNK](https://togithub.com/JamesNK) in
[https://github.com/grpc/grpc-dotnet/pull/2422](https://togithub.com/grpc/grpc-dotnet/pull/2422)
- Don't capture async locals in resolver by
[@&#8203;JamesNK](https://togithub.com/JamesNK) in
[https://github.com/grpc/grpc-dotnet/pull/2426](https://togithub.com/grpc/grpc-dotnet/pull/2426)
- Update Grpc.Tools to 2.63 by
[@&#8203;apolcyn](https://togithub.com/apolcyn) in
[https://github.com/grpc/grpc-dotnet/pull/2429](https://togithub.com/grpc/grpc-dotnet/pull/2429)
- Bump 2.63.x branch to 2.63.0-pre1 by
[@&#8203;apolcyn](https://togithub.com/apolcyn) in
[https://github.com/grpc/grpc-dotnet/pull/2430](https://togithub.com/grpc/grpc-dotnet/pull/2430)
- Fix build on v2.63.x - cherry pick
[https://github.com/grpc/grpc-dotnet/pull/2437](https://togithub.com/grpc/grpc-dotnet/pull/2437)
by [@&#8203;apolcyn](https://togithub.com/apolcyn) in
[https://github.com/grpc/grpc-dotnet/pull/2442](https://togithub.com/grpc/grpc-dotnet/pull/2442)
- Bump 2.63.x to stable release by
[@&#8203;apolcyn](https://togithub.com/apolcyn) in
[https://github.com/grpc/grpc-dotnet/pull/2440](https://togithub.com/grpc/grpc-dotnet/pull/2440)

##### New Contributors

- [@&#8203;jjanuszkiewicz](https://togithub.com/jjanuszkiewicz) made
their first contribution in
[https://github.com/grpc/grpc-dotnet/pull/2397](https://togithub.com/grpc/grpc-dotnet/pull/2397)
- [@&#8203;thompson-tomo](https://togithub.com/thompson-tomo) made their
first contribution in
[https://github.com/grpc/grpc-dotnet/pull/2402](https://togithub.com/grpc/grpc-dotnet/pull/2402)
- [@&#8203;drewnoakes](https://togithub.com/drewnoakes) made their first
contribution in
[https://github.com/grpc/grpc-dotnet/pull/2415](https://togithub.com/grpc/grpc-dotnet/pull/2415)

**Full Changelog**:
grpc/grpc-dotnet@v2.62.0...v2.63.0

</details>

<details>
<summary>microsoft/vstest (Microsoft.NET.Test.Sdk)</summary>

###
[`v17.10.0`](https://togithub.com/microsoft/vstest/releases/tag/v17.10.0)

##### What's Changed

- Add missing runtimeconfig.json file for 8.0 by
[@&#8203;MarcoRossignoli](https://togithub.com/MarcoRossignoli) in
[https://github.com/microsoft/vstest/pull/4792](https://togithub.com/microsoft/vstest/pull/4792)
- Localized file check-in by OneLocBuild Task: Build definition ID 1222:
Build ID
[`2338548`](https://togithub.com/microsoft/vstest/commit/2338548) by
[@&#8203;dotnet-bot](https://togithub.com/dotnet-bot) in
[https://github.com/microsoft/vstest/pull/4794](https://togithub.com/microsoft/vstest/pull/4794)
- Disable testhost prestart by
[@&#8203;nohwnd](https://togithub.com/nohwnd) in
[https://github.com/microsoft/vstest/pull/4833](https://togithub.com/microsoft/vstest/pull/4833)
- Terminal logger fixes by [@&#8203;nohwnd](https://togithub.com/nohwnd)
in
[https://github.com/microsoft/vstest/pull/4834](https://togithub.com/microsoft/vstest/pull/4834)
- Add RiscV64 by [@&#8203;nohwnd](https://togithub.com/nohwnd) in
[https://github.com/microsoft/vstest/pull/4838](https://togithub.com/microsoft/vstest/pull/4838)
- Add deterministic source mapping storing for Microsoft.CodeCoverage by
[@&#8203;jakubch1](https://togithub.com/jakubch1) in
[https://github.com/microsoft/vstest/pull/4849](https://togithub.com/microsoft/vstest/pull/4849)
- Fix terminal logger encoding & error by
[@&#8203;nohwnd](https://togithub.com/nohwnd) in
[https://github.com/microsoft/vstest/pull/4853](https://togithub.com/microsoft/vstest/pull/4853)
- Update sourcebuild configuration to build net previous and net current
by [@&#8203;Evangelink](https://togithub.com/Evangelink) in
[https://github.com/microsoft/vstest/pull/4856](https://togithub.com/microsoft/vstest/pull/4856)
- Updating version of Microsoft.VisualStudio.Interop to 17.10 by
[@&#8203;MSLukeWest](https://togithub.com/MSLukeWest) in
[https://github.com/microsoft/vstest/pull/4866](https://togithub.com/microsoft/vstest/pull/4866)
- Add VSTEST_DIAG_VERBOSITY to help by
[@&#8203;nohwnd](https://togithub.com/nohwnd) in
[https://github.com/microsoft/vstest/pull/4882](https://togithub.com/microsoft/vstest/pull/4882)
- Fix feature flag name by [@&#8203;nohwnd](https://togithub.com/nohwnd)
in
[https://github.com/microsoft/vstest/pull/4885](https://togithub.com/microsoft/vstest/pull/4885)
- Improve terminal logger by
[@&#8203;nohwnd](https://togithub.com/nohwnd) in
[https://github.com/microsoft/vstest/pull/4877](https://togithub.com/microsoft/vstest/pull/4877)
- Remove PackageLicenseFile preventing PackageLicenseExpression from
working by [@&#8203;lahma](https://togithub.com/lahma) in
[https://github.com/microsoft/vstest/pull/4890](https://togithub.com/microsoft/vstest/pull/4890)
- Add GitHub Actions logger by
[@&#8203;martincostello](https://togithub.com/martincostello) in
[https://github.com/microsoft/vstest/pull/4906](https://togithub.com/microsoft/vstest/pull/4906)
- Ensure to send a session complete event by
[@&#8203;drognanar](https://togithub.com/drognanar) in
[https://github.com/microsoft/vstest/pull/4878](https://togithub.com/microsoft/vstest/pull/4878)
- specify Win10 + maxversiontested to enable xaml APIs to be used in
tests running under testhost.exe by
[@&#8203;ChrisGuzak](https://togithub.com/ChrisGuzak) in
[https://github.com/microsoft/vstest/pull/4888](https://togithub.com/microsoft/vstest/pull/4888)
- Make VSTest repo buildable in VMR non-source-build by
[@&#8203;ViktorHofer](https://togithub.com/ViktorHofer) in
[https://github.com/microsoft/vstest/pull/4920](https://togithub.com/microsoft/vstest/pull/4920)
- Migrate pipelines by [@&#8203;nohwnd](https://togithub.com/nohwnd) in
[https://github.com/microsoft/vstest/pull/4921](https://togithub.com/microsoft/vstest/pull/4921)
- Add test name to MSBuild where we have frame. by
[@&#8203;nohwnd](https://togithub.com/nohwnd) in
[https://github.com/microsoft/vstest/pull/4935](https://togithub.com/microsoft/vstest/pull/4935)
- \[rel/17.10] Add list of known TestingPlatform dlls by
[@&#8203;nohwnd](https://togithub.com/nohwnd) in
[https://github.com/microsoft/vstest/pull/4982](https://togithub.com/microsoft/vstest/pull/4982)

And many infrastructure related changes and updates.

##### New Contributors

- [@&#8203;ellahathaway](https://togithub.com/ellahathaway) made their
first contribution in
[https://github.com/microsoft/vstest/pull/4785](https://togithub.com/microsoft/vstest/pull/4785)
- [@&#8203;MSLukeWest](https://togithub.com/MSLukeWest) made their first
contribution in
[https://github.com/microsoft/vstest/pull/4866](https://togithub.com/microsoft/vstest/pull/4866)
- [@&#8203;lahma](https://togithub.com/lahma) made their first
contribution in
[https://github.com/microsoft/vstest/pull/4890](https://togithub.com/microsoft/vstest/pull/4890)
- [@&#8203;ChrisGuzak](https://togithub.com/ChrisGuzak) made their first
contribution in
[https://github.com/microsoft/vstest/pull/4888](https://togithub.com/microsoft/vstest/pull/4888)

**Full Changelog**:
microsoft/vstest@v17.9.0...v17.10.0

</details>

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