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Marc Schier 4d613d11dc CI: migrate to netstandard Managed DevOps Pool + per-TFM build matrix (#3866) 
# Description

End-to-end migration of the Azure DevOps CI pipelines to the
`netstandard` Managed DevOps Pool with the build matrix re-shaped to fit
the new agents and a handful of test/project fixes that fell out of the
migration.

**Pipeline routing & defaults**

- `azure-pipelines.yml` and `azure-pipelines-preview.yml` default
`managedPool=true`, routing Windows/Linux jobs to the `netstandard`
Managed DevOps Pool with `ImageOverride` demands; flipping the
queue-time boolean to `false` falls back to Microsoft-hosted agents.
- Per-platform images come from the root yml (single source of truth):
- Managed pool: `windows-2022-g2` / `ubuntu-22.04-g2` (Mac stays hosted:
`macOS-15`).
  - Hosted: `windows-2025-vs2026` / `ubuntu-24.04` / `macOS-15`.
- `.azurepipelines/test.yml` and `test-aot.yml` declare `hosted` as a
typed `boolean` parameter so `not(parameters.hosted)` actually evaluates
correctly (an untyped value left it as the string `'false'`, which is
truthy and silently routed managed-pool jobs to Microsoft-hosted
`vmImage` demands).
- macOS test jobs always run on the Microsoft-hosted `macOS-15` image
regardless of `managedPool`; the four per-framework test stages queue a
dedicated `hosted: true` Mac invocation unconditionally and the main
matrix carries only Windows+Linux.
- Test-template prep jobs (which only run a PowerShell matrix script)
run on the managed pool whenever a `poolName` is set, even when the
matrix `hosted: true`, so the Microsoft-hosted parallel-job allotment
isn't blocked.

**Build stage — per-(TFM × configuration) matrix**

- `.azurepipelines/get-matrix.ps1` gained a `-Tfms` parameter that fans
the matrix across target frameworks alongside the existing agent /
configuration dimensions and emits a per-entry `targetTfm`.
- `.azurepipelines/sln.yml` accepts a `tfms` parameter and threads
`$(targetTfm)` into both `dotnet restore` and `dotnet build` as
`/p:CustomTestTarget=$(targetTfm)` so each matrix job builds a single
TFM and fits on the Managed DevOps Pool's small (~16 GB) temp disk.
- `azure-pipelines.yml` `build` stage passes `tfms: 'net10.0,net48'` for
PR builds and the full
`net472,net48,netstandard2.0,netstandard2.1,net8.0,net9.0,net10.0` set
for master / scheduled / manual / fork-PR runs.
- `sln.yml`'s restore step uses `command: custom` (`custom: restore`)
because `command: restore` silently drops the `arguments` input —
without it `/p:CustomTestTarget` never reached restore and
`obj/project.assets.json` was populated with the wrong TFM set.
- `sln.yml` no longer uses the `MSBuild@1` task; it now uses
`DotNetCoreCLI@2` with `dotnet build` so the .NET 10 SDK's bundled
MSBuild (which understands `.slnx`) is used instead of Visual Studio
2022's MSBuild on the managed-pool image.

**Project-level fixes that fell out of the matrix split**

- `Applications/McpServer`, `Applications/MinimalBoilerServer`,
`Applications/MinimalCalcServer`, and `Tests/Opc.Ua.Aot.Tests` each get
a `Directory.Build.targets` that turns the project into a no-op (cleared
`Compile` / `ProjectReference` / `PackageReference` / etc.,
`OutputType=Library`) when `CustomTestTarget` restricts the matrix to a
legacy TFM (`net4*` / `netstandard2.*`) the project can't target. Target
overrides are deliberately avoided — same-named targets in
`Directory.Build.targets` ALWAYS replace the SDK definitions, which
would silently break `dotnet publish` / `dotnet test` in the
unrestricted GitHub Actions flows.
- `Tools/Opc.Ua.MigrationAnalyzer.csproj`'s `ProjectReference` to
`Opc.Ua.MigrationAnalyzer.Core` no longer hard-pins
`SetTargetFramework=net10.0`; the pin follows `CustomTestTarget` (and
falls back to `net10.0` when unset).

**Test reliability**

-
`Tests/Opc.Ua.PubSub.Tests/IntervalRunnerTests.FakeTimeProviderDrivesDeterministicSchedulingAsync`
no longer calls a single `fake.Advance(300)` expecting three timers to
fire — it advances one 100 ms interval at a time and waits for each fire
(the runner only registers the next `Delay` after the previous callback
resumes on the thread pool; on slower CI agents the race surfaces
consistently).
- `Tests/Opc.Ua.Server.Tests/Fluent/SimulationBuilderExtensionsTests`
(four "expect ≥ N ticks in 150 ms" tests) replace fixed
`Task.Delay`/`Thread.Sleep` waits with a `WaitForAsync` polling helper,
eliminating thread-pool cold-start flakiness on slow agents (observed on
the hosted `macOS-15` runner).

## Related Issues

_No tracking issue — pipeline tuning to standardize on the netstandard
Managed DevOps Pool, plus the test/project follow-ups required for the
matrix to be green on that pool._

## Checklist

- [ ] I have signed the
[CLA](https://opcfoundation.org/license/cla/ContributorLicenseAgreementv1.0.pdf)
and read the
[CONTRIBUTING](https://github.com/OPCFoundation/UA-.NETStandard/blob/master/CONTRIBUTING.md)
doc.
- [x] I have added tests that prove my fix is effective or that my
feature works and increased code coverage. _(N/A — pipeline +
test-reliability fixes; the two test fixes themselves were verified to
pass 5× in stress runs locally.)_
- [x] I have added all necessary documentation. _(Comments inline in the
new `Directory.Build.targets`, `sln.yml`, and `azure-pipelines.yml`
explain the unusual MSBuild/`DotNetCoreCLI@2` interactions for future
maintainers.)_
- [x] I have verified that my changes do not introduce (new) build or
analyzer warnings.
- [x] I ran **all** tests locally using the **UA.slnx** solution against
at least .net **framework** and .net **10**, and all passed. _(Verified
`dotnet build UA.slnx -p:CustomTestTarget=net10.0 -c Release` and
`-p:CustomTestTarget=net48 -c Debug` both complete with 0 errors;
targeted test runs for the two modified test files pass 5/5.)_
- [ ] I fixed **all** failing and flaky tests in the CI pipelines and
**all** CodeQL warnings.
- [ ] I have addressed **all** PR feedback received.
 2026-06-10 17:19:41 +02:00
Marc Schier c89bc92e7c Part 11 Historical Access client/server framework (#3797) 
## Proposed changes

Implements **OPC UA Part 11 (Historical Access)** end-to-end via a clean
**provider model** that lets servers back historizing variables with any
time-series storage engine. A reference-quality **in-memory engine**
ships in `Opc.Ua.Server` so getting started requires no extra packages.

The implementation replaces the legacy `HistoryArchive` /
`HistoryDataReader` / `HistoryFile` / `IHistoryDataSource` files
(removed from `Quickstarts.Servers/TestData/`) with a stack-level Part
11 surface.

### What's new

- **Server provider model** in `Libraries/Opc.Ua.Server/Historian/`:
- Umbrella `IHistorianProvider` + narrow capability interfaces
(`IHistorianDataProvider`, `IHistorianModifiedProvider`,
`IHistorianAtTimeProvider`, `IHistorianProcessedProvider`,
`IHistorianAnnotationProvider`, `IHistorianEventProvider`,
`IHistorianTransactionalProvider`).
- `HistorianDispatcher` — routes HistoryRead / HistoryUpdate (raw,
modified, at-time, processed, events, annotations) including
event-`WhereClause` evaluation via the framework's `FilterEvaluator`,
audit-event reporting, and continuation-point lifecycle.
- `HistorianProviderRegistry` with Node → Namespace → Default
precedence; surfaced via `IHistorianRegistryProvider` on
`ServerInternalData`.
- Fluent `HistorianBuilder`
(`server.UseHistorian().UseInMemory().Historize(...).RegisterAsDefault()`).
- Lazy `HistoricalDataConfigurationType` companion installer
(`OnPopulateBrowser`-attached).
- `ServerSystemContext` now exposes `IServerInternal Server { get; }` so
infrastructure code stops relying on the per-NM `SystemHandle`.
- **In-memory reference engine** (`InMemoryHistorianProvider`) — raw,
modified, processed via framework fallback, at-time via framework
fallback, annotations, events, transactional batches.
- **Client surface** in `Libraries/Opc.Ua.Client/Historian/`:
- `HistoryClient` with `IAsyncEnumerable<DataValue>`
raw/modified/at-time/processed/annotation reads (transparent
continuation-point handling and `try/finally`-based release on iterator
abandonment).
  - `session.Historian()` extension.
- Capability discovery (`GetServerCapabilitiesAsync`,
`GetConfigurationAsync`).
- **Node-manager wiring** through both `AsyncCustomNodeManager` and
`CustomNodeManager2` (sync-via-dispatcher).
- **Capability rollup** — `DiagnosticsNodeManager` populates the
server-wide `HistoryServerCapabilities` as the union of registered
providers' `GetCapabilitiesAsync(NodeId.Null, ...)` (runs whether the
node was loaded from the predefined nodeset or freshly created; fully
async).
- **Audit-event reporting** for HistoryUpdate (gated on
at-least-one-success):
`AuditHistoryValueUpdateEventType`,
`AuditHistoryAnnotationUpdateEventType`,
`AuditHistoryRawModifyDeleteEventType`,
`AuditHistoryAtTimeDeleteEventType`, `AuditHistoryEventUpdateEventType`,
`AuditHistoryEventDeleteEventType`.
- **ReferenceServer + TestData** historize sample variables through the
new pipeline (replaces the deleted legacy `HistoryArchive`).
- **Comprehensive developer documentation** in
`Docs/HistoricalAccess.md` (~657 lines): server-developer guide,
provider-author guide, client-developer guide, capability discovery,
auditing, limitations/roadmap.

### Tests

| Suite | Files | Tests |
| --- | --- | --- |
| Server unit (Opc.Ua.Server.Tests/Historian) | dispatcher,
event-dispatcher, registry, in-memory provider, transactional provider,
concurrency, coverage, event-filter target | **34** passing |
| Client integration (Opc.Ua.Client.Tests/Historian) |
`HistoryClientIntegrationTests` over the live `ReferenceServer` via
`ServerFixture` | **4** passing |
| AOT (Opc.Ua.Aot.Tests/HistoryAotTests) | positive assertions against
historized `Scalar_Static_Int32` (read raw, read processed/Average) |
**2** passing |

### Local validation

- `dotnet build UA.slnx -c Release` → **0 errors**.
- All historian / client integration / AOT history tests **green**.

### Hardening applied post-internal-review

- `DiagnosticsNodeManager.RollUpHistorianCapabilitiesAsync` — true async
(no more `.GetAwaiter().GetResult()` on the startup path).
- `HistoryClient` raw/modified/details readers — `try/finally` releases
the in-flight continuation point on `break`/exception/cancellation; also
detects malformed-server empty-page loops.
- `ReportAudit*` helpers gated on `HasAnyGood(...)` — audit events do
not fire when every per-value op failed.
- `ServerSystemContext` ctors throw
`ArgumentNullException(nameof(server))` at the boundary.
- `HistorianEventFilterTarget.IsTypeOf` logs a one-shot warning when
`IFilterContext.TypeTree` is null (degrades safely instead of silently).
- `InMemoryHistorianProvider.ReadEventsAsync` snapshots under lock,
filters outside (cuts lock-hold time).
- `TryRestoreContinuation` rejects cross-wired continuation points
(different `NodeId`).
- Processed-read framework fallback capped at 100 000 buffered outputs
(`BadTooManyOperations` when exceeded).
- ReferenceServer / TestData seeding is async-awaited /
`Task.Run`-bridged to escape any captured `SynchronizationContext`.

## Related Issues

- Fixes #

## Types of changes

- [x] Bugfix (non-breaking change which fixes an issue)
- [x] Enhancement (non-breaking change which adds functionality)
- [x] Test enhancement (non-breaking change to increase test coverage)
- [ ] Breaking change
- [x] Documentation Update

> The deletion of legacy
`Applications/Quickstarts.Servers/TestData/HistoryArchive*` is a
refactor of sample code only; the public stack surface is purely
additive.

## Checklist

- [x] I have read the
[CONTRIBUTING](https://github.com/OPCFoundation/UA-.NETStandard/blob/master/CONTRIBUTING.md)
doc.
- [x] I have signed the
[CLA](https://opcfoundation.org/license/cla/ContributorLicenseAgreementv1.0.pdf).
- [x] I ran tests locally with my changes, all passed.
- [ ] I fixed all failing tests in the CI pipelines.
- [ ] I fixed all introduced issues with CodeQL and LGTM.
- [x] I have added tests that prove my fix is effective or that my
feature works and increased code coverage.
- [x] I have added necessary documentation (`Docs/HistoricalAccess.md`).
- [x] Any dependent changes have been merged and published in downstream
modules.

## Further comments

The provider model is intentionally minimal and orthogonal — providers
opt into specific Part 11 features by implementing one or more of the
narrow capability interfaces, and the dispatcher type-tests the concrete
provider at runtime. This keeps the bundled `InMemoryHistorianProvider`
simple while making it trivial for vendors to plug in their own
time-series database.

A few items remain explicitly deferred (documented in
`Docs/HistoricalAccess.md` *Limitations and roadmap*):
`HistoricalEventConfigurationType` auto-install for event notifiers,
audit-event `OldValues` fidelity (would require read-before-write across
update sites), true streaming processed-read continuation (the framework
fallback is bounded by the 100 k cap; native
`IHistorianProcessedProvider` providers already get arbitrary paging).
These are on-demand items, not gaps in the mandatory Part 11 surface.
 2026-05-26 10:45:32 +02:00
Marc Schier eb40a59566 More format and diagnostic fixes (#3780) 
Drive the solution to zero warnings / zero errors with analyzers on,
promote the consistently-fixed rules to error, and lock in coverage
on the only line of new logic.
 2026-05-26 06:06:09 +02:00
Marc Schier f3928db05b Add unified Microsoft.Extensions DI surface across OPC UA libraries (#3803) 
Introduces a consistent `Microsoft.Extensions.DependencyInjection`
surface across the OPC UA libraries. Every consumer starts from a single
root entry point and chains feature-specific extension methods on a
unified builder. PubSub is intentionally excluded per the original
scope.

```csharp
services
    .AddOpcUa()                          // Stack/Opc.Ua.Core
    .AddServer(o => { /* … */ })         // Libraries/Opc.Ua.Server
    .AddNodeManager<MyNodeManagerFactory>()
    .Services
    .AddOpcUa()
    .AddClient(o => { /* … */ });        // Libraries/Opc.Ua.Client
```

Manual non-DI constructors (`new ApplicationInstance(...)`, `new
StandardServer(...)`, `new LdsServer(...)`, `new ManagedSession(...)`,
etc.) remain unchanged — DI is purely additive for users who want the
.NET Generic Host to own application lifetime, logging, and
configuration.

### What ships

| Feature library | Method on `IOpcUaBuilder` | Returns |

|----------------------------------------------|-------------------------------------------|--------------------------|
| `Opc.Ua.Core` (root) | `services.AddOpcUa()` | `IOpcUaBuilder` |
| `Opc.Ua.Configuration` | `builder.AddApplicationInstance()` |
`IOpcUaBuilder` |
| `Opc.Ua.Client` | `builder.AddClient(opt => …)` |
`IOpcUaClientBuilder` |
| `Opc.Ua.Client.ComplexTypes` | `builder.AddComplexTypes()` |
`IOpcUaBuilder` |
| `Opc.Ua.Server` | `builder.AddServer(opt => …)` |
`IOpcUaServerBuilder` |
| `Opc.Ua.Gds.Client.Common` | `builder.AddGdsClient(opt => …)` |
`IGdsClientBuilder` |
| `Opc.Ua.Gds.Server.Common` | `builder.AddGdsServer(opt => …)` |
`IGdsServerBuilder` |
| `Opc.Ua.Lds.Server` | `builder.AddLdsServer(opt => …)` |
`ILdsServerBuilder` |
| `Opc.Ua.WotCon.Server` | `builder.AddWotConServer(opt => …)` |
`IWotConServerBuilder` |
| `Opc.Ua.WotCon.Client` | `builder.AddWotConClient(opt => …)` |
`IOpcUaBuilder` |

### Design highlights

- **Binary-safe inheritance** — `IOpcUaBuilder :
IDependencyInjectionBuilder` so any existing `AddLogging(this
IDependencyInjectionBuilder)` callers keep compiling unchanged.
- **Three options overloads** per feature: `Action<TOptions>`
(AOT-safe), `IConfiguration`, `IConfigurationSection`. The two binding
overloads are annotated `[RequiresUnreferencedCode]` /
`[RequiresDynamicCode]`. Section names follow the `OpcUa:<Feature>`
convention (`OpcUa:Server`, `OpcUa:Client`, `OpcUa:Gds:Server`,
`OpcUa:Lds`, …).
- **Generic Host integration** — each server feature (regular, GDS, LDS)
registers its own `BackgroundService`. Marker singletons throw
`InvalidOperationException` on duplicate `.AddServer()` /
`.AddGdsServer()` / `.AddLdsServer()`. A regular server + GDS + LDS can
coexist in one host; each owns its own `IApplicationInstance` produced
by a shared `IApplicationInstanceFactory` so PKI roots, endpoints, and
certificates don't collide.
- **Registration isolation** — node managers registered under the
regular server via `.AddNodeManager<T>()` are wrapped in
`OpcUaServerNodeManagerRegistration` so they don't bleed into the GDS /
LDS hosted services.
- **WoT Connectivity server** composes on top of the regular server
feature: `.AddServer(...).AddWotConServer(...)` registers
`WotConnectivityNodeManagerFactory` as a server node-manager
registration.
- **Unified telemetry** — `services.AddOpcUa()` registers
`ITelemetryContext` via `TryAddSingleton` using a new
`ServiceProviderTelemetryContext` that resolves the host's
`ILoggerFactory` on first use. User-supplied registrations win.

### Removed pre-release DI surface

The pre-release `services.AddOpcUaServer(...)`,
`services.AddOpcUaClient(...)`, `services.AddOpcUaGdsClient(...)`
extensions are deleted. `IClientBuilder` was renamed to
`IOpcUaClientBuilder`. In-repo callers migrated:

- `Applications/MinimalCalcServer/Program.cs`
- `Applications/MinimalBoilerServer/Program.cs`
- `Tests/Opc.Ua.Client.Tests/ClientBuilder/OpcUaClientBuilderTests.cs`
(renamed from `OpcUaClientServiceCollectionExtensionsTests.cs`)
- Docs (`MigrationGuide.md`, `Sessions.md`,
`SourceGeneratedNodeManagers.md`, README, new
`Docs/DependencyInjection.md`)

### csproj audit

Pruned every redundant `Microsoft.Extensions.*` package reference.
`Opc.Ua.Core` already pulls in `Microsoft.Extensions.Diagnostics` and
`Microsoft.Extensions.Logging`, which transitively expose DI / Options /
Configuration.Abstractions / Options.ConfigurationExtensions to every
downstream library. Only `Microsoft.Extensions.Hosting.Abstractions`
stays explicit on the server libraries (it isn't transitively
available). Also pruned redundant `System.Formats.Asn1` (Bindings.Https)
and `System.Collections.Immutable` (Security.Certificates).

### Tests

50 new tests in eight projects:

| Project                              | Tests |
|--------------------------------------|-------|
| `Opc.Ua.Core.Tests`                  | 12    |
| `Opc.Ua.Client.Tests`                | 4     |
| `Opc.Ua.Client.ComplexTypes.Tests`   | 3     |
| `Opc.Ua.WotCon.Tests`                | 6     |
| `Opc.Ua.Lds.Tests`                   | 5     |
| `Opc.Ua.Gds.Tests`                   | 6     |
| `Opc.Ua.Server.Tests` (integration)  | 10    |
| `Opc.Ua.Aot.Tests` (smoke)           | 4     |
| **Total**                            | **50** |

Combined-host integration tests cover the rubber-duck-driven scenarios:
telemetry-context override across legacy and new entry paths, server +
GDS + LDS coexistence with distinct ports and PKI roots,
duplicate-registration rejection, and node-manager isolation across
features.

### AOT

`dotnet publish Tests/Opc.Ua.Aot.Tests -c Release -r win-x64
--self-contained` reports zero `IL2026` / `IL3050` / `IL2104` warnings
from the new DI surface. All generic registrations carry
`[DynamicallyAccessedMembers(PublicConstructors)]`. AOT consumers stick
to the `Action<TOptions>` overload exclusively; the new
`Tests/Opc.Ua.Aot.Tests/HostingAotTests.cs` smoke fixture exercises this
end-to-end.
 2026-05-25 20:24:53 +02:00
Marc Schier 3e5f129c6f Enable nullable in Stack, Libraries (9), and Applications projects (#3732) 2026-05-17 12:55:24 +02:00
Marc Schier 5795e50b58 Source-generated, NativeAOT-clean fluent server API with event-source publish (#3765) 
* Add async read/write hooks to BaseVariableState and AsyncCustomNodeManager

Introduces an end-to-end async path for variable Value-attribute reads
and writes that does not require holding lock(this) while the user
callback executes:

* New AttributeReadResult, AttributeSimpleReadResult and AttributeWriteResult
  readonly record structs in NodeState carry the typed result of an async
  Value-attribute hook (no ref/out params across await).
* Four new async delegates (NodeValueEventHandlerAsync,
  NodeValueSimpleEventHandlerAsync, NodeValueWriteEventHandlerAsync,
  NodeValueSimpleWriteEventHandlerAsync) sit alongside the existing sync
  hooks.
* NodeState gains virtual ReadAttributeAsync / WriteAttributeAsync methods.
  The default implementation wraps the synchronous call in lock(this) so
  callers that have not opted into async hooks see bit-identical behaviour.
* BaseVariableState exposes OnReadValueAsync, OnSimpleReadValueAsync,
  OnWriteValueAsync and OnSimpleWriteValueAsync slots and overrides the new
  virtuals to dispatch to them WITHOUT holding the lock during the await.
  On simple-read the framework still applies index range, data encoding and
  copy policy; on simple-write the cached value/status/timestamp are
  updated under lock after the hook completes.
* AsyncCustomNodeManager.ReadAsync and WriteAsync now await the new
  ReadAttributeAsync / WriteAttributeAsync entry points instead of taking
  lock(source) around the synchronous call. Existing per-source locking
  semantics are preserved by the default async wrappers.
* The fluent INodeBuilder surface gains four new async OnRead/OnWrite
  overloads that wire to the new BaseVariableState slots, with the same
  ThrowIfSlotOccupied + null-check pattern as the sync overloads.

* Add typed IVariableBuilder<T> fluent surface

Adds typed sub-interfaces and impls so the existing fluent surface

can expose simple Func<T> / Action<T> / Func<CancellationToken,

ValueTask<T>> overloads for variables — without losing the lower-level

Variant-based overloads on INodeBuilder.

* IVariableBuilder<TValue> + VariableBuilder<TValue> derive from

  INodeBuilder<BaseVariableState> / NodeBuilder<BaseVariableState>

  (NodeBuilder<TState> unsealed).

* Marshalling uses Variant.AsBoxedObject(BoxingBehavior.Legacy) for

  reads and Variant(object) for writes; the AOT-unsafe write path is

  scoped-suppressed with a TODO pointing at the planned per-type

  generated walker.

* INodeManagerBuilder gains Variable<T>(string),

  Variable<T>(NodeId), VariableFromTypeId<T>(NodeId),

  VariableFromTypeId<T>(NodeId, QualifiedName).

Server library builds clean across all 6 TFMs.

* Add relative-child traversal API on INodeBuilder

Adds INodeBuilder.Child(QualifiedName), Child<TState>(QualifiedName)

and Variable<TValue>(QualifiedName) so source-generated typed

wrappers can walk one segment at a time without re-resolving from

the manager root. Resolution uses NodeState.FindChild and reuses

NodeManagerBuilder.ToVariableBuilder to keep the typed-variable

marshalling story consistent.

Adds 7 NUnit cases (Fluent category) covering the happy path,

type-mismatch, null/missing browse-name, and non-variable

rejection. All 66 fluent tests pass.

* Mix old + new fluent APIs in MinimalBoilerServer demo

BoilerNodeManager.Configure now exercises five wiring styles:

  (1) browse-path with the legacy ref-Variant callback

  (2) absolute NodeId with the legacy ref-Variant callback

  (3) typed Variable<double>(NodeId) + simple Func<double> sync getter

  (4) typed Variable<double>(NodeId) + Func<CancellationToken, ValueTask<double>>

      async getter — exercises the BaseVariableState.OnReadValueAsync

      slot end-to-end through AsyncCustomNodeManager.ReadAsync

  (5) NodeFromTypeId with OnNodeAdded lifecycle hook

All five styles compose against the same INodeManagerBuilder, with

the typed and async callbacks pulling in the new IVariableBuilder<T>

surface (committed at e557ecdd9) and the BaseVariableState async

path (committed at 2e2efb4ad).

* Add async-hook tests for BaseVariableState

15 NUnit cases covering the new On{Read,Write}ValueAsync and On
Simple{Read,Write}ValueAsync slots plus the
ReadAttributeAsync/WriteAttributeAsync overrides on
BaseVariableState:

* full async slot routes Value reads/writes
* lock(this) is released around the awaited handler
* simple async slot reapplies cached StatusCode and respects index
  ranges (BadIndexRangeInvalid for non-null ranges)
* exceptions and OperationCanceledException from the hook are
  caught and surfaced as BadUnexpectedError, mirroring the sync flow
* CancellationToken propagates to the hook
* cache (m_value, m_statusCode, m_timestamp) is updated on success
  and skipped on Bad return
* fallback to base sync ReadAttribute/WriteAttribute when no async
  slot is set (preserves today's lock(this) semantics)
* non-Value attributes never invoke the async hook
* CurrentRead/CurrentWrite access checks short-circuit before the
  hook runs

All 596 State tests pass on net10.0.

* Add round-trip tests for typed IVariableBuilder<T>

Covers the typed Func<T>/Action<T>/Func<...,ValueTask<T>> overloads
on IVariableBuilder<TValue>: each registers the appropriate hook
slot on the underlying BaseDataVariableState, and driving the
variable through ReadAttribute/WriteAttribute (sync) and
ReadAttributeAsync/WriteAttributeAsync (async) reproduces the
typed values the user supplied.

* Add typed model-traversal source generator

Adds FluentBuilderGenerator that walks the design's predefined-instance tree and emits a typed sibling for every NodeManagerBuilder. Each generated wrapper exposes IntelliSense-friendly accessors for child instances, variables (IVariableBuilder<T>) and methods (sync/async OnCall) so wiring sites become builder.Boilers.Boiler__1.LCX001.Measurement.OnRead(...) instead of a stringly typed browse path. The NodeManager template now also emits a Configure(I{Manager}NodeManagerBuilder) partial alongside the existing Configure(INodeManagerBuilder); both partials run, both are optional, and the typed surface is fully AOT-safe (no dynamic, no MakeGenericType, no reflection).

* Add tests for the typed model-traversal source generator

Adds 9 snapshot tests in Tests/Opc.Ua.SourceGeneration.Core.Tests covering the FluentBuilderGenerator's opt-in flag, typed-manager-interface and proxy emission, internal-sealed visibility, lazy child resolution via Context.NamespaceUris.GetIndexOrAppend, IVariableBuilder<TValue> accessors, sync+async OnCall overloads on method wrappers, and the dual Configure(INodeManagerBuilder)/Configure(I{Manager}NodeManagerBuilder) partial wiring in the NodeManager template. Adds 2 end-to-end AOT tests in Tests/Opc.Ua.Aot.Tests that exercise typed-traversal sync read on LCX001/Measurement and typed-traversal async OnCall on Simulation/Halt through the AOT-compiled MinimalBoilerServer fixture.

* Document the typed model-traversal Configure(I{Manager}NodeManagerBuilder) partial
 2026-05-15 07:52:49 +02:00
Marc Schier 70b4498db8 Certificate manager and ref counted certificate type (#3688) 
* New certificate and secrete abstraction with certificate infrastructure and certificate/secret stores. 
* leak testing for certificate resources to validate new ref counting in every test assembly
* Migration guide updated and documentation added for all
* Remove IDisposable from Nodestate and UserIdentity.
* UserCertificateTokenHandler now just points into certificate registry/stores, no dispose required
* Fix CA2000 warnings and cleanup of other diagnostics, increase warning levels in .editorconfig
 2026-05-12 07:56:38 +02:00
Marc Schier 39fa3030fa Add a fluent api for server, a sample and generate node managers to use with it. (#3684) 
* Add source-generated NodeManagers and fluent wiring API

Adds a fluent INodeManagerBuilder API for wiring per-node callbacks and a model-aware source generator that emits a partial CustomNodeManager2 plus an INodeManagerFactory for each design file.

Opt-in is per class via [Opc.Ua.Server.Fluent.NodeManager] on a partial class (recommended) or project-wide via the ModelSourceGeneratorGenerateNodeManager MSBuild property (legacy). The attribute supports NamespaceUri / Design selectors for multi-design projects and a GenerateFactory toggle. Diagnostics MODELGEN010 / MODELGEN011 surface unmatched bindings and non-partial classes.

Adds the ConsoleBoilerServer NativeAOT sample driving the new pipeline end-to-end with Microsoft.Extensions.Logging.Console and updated docs in Docs/SourceGeneratedNodeManagers.md.

* Add BoilerServer AOT smoke test

Verifies the source-generated Boiler.BoilerNodeManagerFactory loads
the boiler address space, registers its namespace, and dispatches the
fluent OnRead callbacks wired in BoilerNodeManager.Configure.cs.
All 3 new tests pass in JIT mode and against the NativeAOT-published
binary; total Aot.Tests suite: 71/71 pass.
 2026-04-22 16:45:07 +02:00