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# Description Telemetry extensions resolved meters and activity sources as `Opc.Ua.Types`, with results dependent on helper inlining. This prevented reliable attribution to the emitting component. - **Existing telemetry contract**: Add `CreateMeter(Assembly)` and `GetActivitySource(Assembly)` directly to `ITelemetryContext`. The separate `IAssemblyTelemetryContext` interface has been removed. - **Reliable component attribution**: Capture the caller assembly in non-inlined `CreateMeter`, `GetActivitySource`, and `StartActivity` extensions, then forward it to the existing telemetry context. - **Call-site routing and fallback**: Keep non-null meter calls on `telemetry.CreateMeter()`. Use explicit `TelemetryExtensions.CreateMeter(telemetry)` for nullable-context fallback. Preserve default meter/activity-source fallback when a context returns null. - **Coverage and documentation**: Cover caller-assembly naming, direct-context and extension routing, activity creation, and null-result fallback. Update diagnostics examples, OpenTelemetry filters, and migration guidance. **Compatibility:** Direct implementations of `ITelemetryContext` must implement the two new assembly-aware members. `TelemetryContextBase` supplies both. This interface addition is documented in the 2.0 migration guide; legacy implementer compatibility is not claimed. ## Local validation The Release build and focused `TelemetryExtensionsTests` fixture pass on both target frameworks: | Target | Result | | --- | --- | | net10.0 | Passed: 6, Failed: 0, Skipped: 0 | | net48 | Passed: 6, Failed: 0, Skipped: 0 | Both builds emit existing CA5394 warnings in `NodeStateChildNameIndexTests.cs`, which is unchanged by this PR. The full solution test suite was not run during this feedback pass. ## Related Issues ## 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. - [x] I have added all necessary documentation. - [x] I have verified that my changes do not introduce (new) build or analyzer warnings. - [ ] I ran **all** tests locally using the **UA.slnx** solution against at least .net **framework** and .net **10**, and all passed. - [ ] I fixed **all** failing and flaky tests in the CI pipelines and **all** CodeQL warnings. - [x] I have addressed **all** PR feedback received. <!-- START COPILOT CODING AGENT SUFFIX --> - Fixes #4483 --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: marcschier <11168470+marcschier@users.noreply.github.com> Co-authored-by: Marc Schier <marcschier@users.noreply.github.com>
67 lines
2.5 KiB
C#
67 lines
2.5 KiB
C#
/* ========================================================================
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* Copyright (c) 2005-2026 The OPC Foundation, Inc. All rights reserved.
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*
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* OPC Foundation MIT License 1.00
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* The complete license agreement can be found here:
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* http://opcfoundation.org/License/MIT/1.00/
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* ======================================================================*/
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using System.Diagnostics;
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using System.Diagnostics.Metrics;
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using Microsoft.Extensions.Logging;
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using Microsoft.Extensions.Logging.Abstractions;
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namespace Opc.Ua.Pcap.Tests
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{
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/// <summary>
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/// Minimal <see cref="ITelemetryContext"/> for unit tests: routes all
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/// logging to <see cref="NullLoggerFactory.Instance"/> and uses
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/// dedicated activity / meter sources so production diagnostics are
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/// not contaminated.
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/// </summary>
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internal sealed class TestTelemetryContext : ITelemetryContext
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{
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public static TestTelemetryContext Instance { get; } = new();
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public ILoggerFactory LoggerFactory => NullLoggerFactory.Instance;
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public ActivitySource ActivitySource { get; } = new("Opc.Ua.Core.Diagnostics.Tests");
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public Meter CreateMeter()
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{
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return new Meter("Opc.Ua.Core.Diagnostics.Tests");
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}
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public Meter CreateMeter(System.Reflection.Assembly assembly)
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{
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return CreateMeter();
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}
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public ActivitySource GetActivitySource(System.Reflection.Assembly assembly)
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{
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return ActivitySource;
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}
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}
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}
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