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AyCode.Core/AyCode.Services.Server/SignalRs
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Loretta 97ac3e21a3 [LOADED_DOCS: 3 files, no new loads] 
Remove SegmentBufferReader; unify on AsyncPipeReaderInput

Migrates all SignalR chunked streaming receive logic to AsyncPipeReaderInput, fully removing SegmentBufferReader and SegmentBufferReaderInput from the codebase. Updates all references, deserialization paths, and documentation to reflect the new unified primitive. Marks ADR-0003 as accepted (partially executed), closes related TODOs, and clarifies protocol docs. Sets DoubleBuffered as the default FlushPolicy. No wire format or behavioral changes; all tests pass.
 		2026-05-03 15:21:15 +02:00
..
AcLoggerSignalRHub.cs Implement SignalRLoggerClient 2025-09-02 11:48:05 +02:00
AcSessionService.cs Add SignalR common services and dependencies 2025-08-31 12:39:47 +02:00
AcSignalRDataSource.cs SignalR: Add raw byte[] fast-path for DataSource GetAll 2026-04-07 00:20:52 +02:00
AcSignalRSendToClientService.cs [LOADED_DOCS: .github\copilot-instructions.md] 2026-04-19 12:58:31 +02:00
AcSignalRServerProtocolExtensions.cs [LOADED_DOCS: 3 files, no new loads] 2026-05-03 15:21:15 +02:00
AcWebSignalRHubBase.cs [LOADED_DOCS: 3 files, no new loads] 2026-05-03 15:21:15 +02:00
ExtensionMethods.cs Refactor JSON/SignalR infra; add full test & benchmark suite 2025-12-11 21:25:50 +01:00
IAcSessionItem.cs Add SignalR common services and dependencies 2025-08-31 12:39:47 +02:00
IAcSignalRHubItemServer.cs improvements, fixes, etc 2024-05-25 22:16:22 +02:00
README.md [LOADED_DOCS: 3 files, no new loads] 2026-04-28 06:36:39 +02:00
TrackingItemHelpers.cs Add SignalR common services and dependencies 2025-08-31 12:39:47 +02:00

README.md

SignalRs

Server-side SignalR hub infrastructure: hub base class, session management, data source with change tracking, and client broadcast service.

Architecture: For full dispatch flow, tag system, and tech debt documentation see AyCode.Services/docs/SIGNALR/README.md.

Key Files

Hub

  • AcWebSignalRHubBase.cs — Abstract hub extending Hub<IAcSignalRHubItemServer>. Manages connection lifecycle, message dispatch via DynamicMethodRegistry, binary/JSON parameter deserialization. Response methods: ResponseToCaller(), SendMessageToOthers(), SendMessageToUserIdInternal().
  • IAcSignalRHubItemServer.cs — Server hub interfaces: IAcSignalRHubItemServer, IAcSignalRHubServer.
  • AcLoggerSignalRHub.cs — Specialized hub for receiving log items via SignalR (AddLogItem()).

Session & Broadcast

  • AcSessionService.cs — Generic session manager with ConcurrentDictionary<TSessionItemId, TSessionItem>.
  • IAcSessionItem.cs — Session item interface with SessionId property.
  • AcSignalRSendToClientService.cs — Abstract broadcast service: SendMessageToClient(), SendMessageToAllClients(), SendMessageToConnection(), SendMessageToUser().

Data Source

Full specification: AyCode.Services.Server/docs/SIGNALR_DATASOURCE/README.md

  • AcSignalRDataSource.cs — Generic real-time collection (AcSignalRDataSource<TDataItem, TId, TIList>) implementing IList<T> with full CRUD and change tracking.
    • Change tracking: TrackingItem<T, TId> wraps each modified item with TrackingState + OriginalValue for rollback. ChangeTracking<T, TId> manages the tracking list.
    • Loading: LoadDataSource() (sync), LoadDataSourceAsync() (async callback), LoadItem(id) (single). Binary path uses BinaryToMerge() for AcObservableCollection (batch UI update via BeginUpdate/EndUpdate).
    • Saving: SaveChanges() iterates tracked items, posts each via CRUD tag, rollbacks on failure. SaveItem() for individual saves.
    • Sync state: IsSyncing (Interlocked counter) + OnSyncingStateChanged event for UI loading indicators.
    • Locking: object _syncRoot (sync ops) + SemaphoreSlim _asyncLock (async ops). GetEnumerator() returns safe copy.
    • Working reference list: SetWorkingReferenceList() allows external list to become inner storage (zero-copy).
    • Context: ContextIds (object[]) + FilterText (string) sent with GetAll requests for server-side filtering.

Utilities

  • ExtensionMethods.cs — InvokeMethod() — invokes methods and unwraps Task/Task<T>/ValueTask results.
  • TrackingItemHelpers.cs — Deep clone helpers: JsonClone<T>(), ReflectionClone<T>().