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8.2 FrameLockProvider

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Keyed per-frame SemaphoreSlim(1,1) over a ConcurrentDictionary with a
disposable releaser, so the next increment can serialize the upload
pipeline per FrameName.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Fritiof Hedman
2026-06-07 16:03:11 +02:00
parent 475e8988b5
commit e1c35d7423
2 changed files with 34 additions and 1 deletions
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IMPLEMENTATION.md
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@@ -198,7 +198,7 @@ Each type lives in `src/FrameProcessor/Domain/`. Tests in `tests/FrameProcessor.
- Matches request path `/api/*`; reads `X-Api-Key` header; constant-time compare against `ApiKeyOptions` only if `ApiKeyOptions`is set to non-empty.
- 401 on mismatch. `/i/{mac}.png` and `/health` unaffected.
### [ ] 8.2 `FrameLockProvider`
### [x] 8.2 `FrameLockProvider`
- `ConcurrentDictionary<FrameName, SemaphoreSlim>` (each `SemaphoreSlim(1, 1)`).
- `Task<IDisposable> AcquireAsync(FrameName, CancellationToken)` returning a disposable that releases on dispose.