Files
lmxopcua/src/Drivers/ZB.MOM.WW.OtOpcUa.Driver.OpcUaClient/ZB.MOM.WW.OtOpcUa.Driver.OpcUaClient.csproj
T
Joseph Doherty b028322568 fix(opcuaclient): #670 review — subscription loss with a live session, stale recovery latch
M1: a subscription that dies while the session lives (outage longer than
the subscription lifetime but shorter than the session timeout) used to
end Healthy with fresh keep-alive stamps and frozen values. PublishError
BadNoSubscription / BadSubscriptionIdInvalid naming a tracked
subscription, or a tracked subscription whose SDK PublishingStopped
persists one more keep-alive window + 5 s across good keep-alives, now
declares it lost: Degraded, outage published once, and nothing advances
LastSuccessfulRead until the session is released, so the #527 watchdog
re-initialises and re-subscribes. Both detectors wire-tested.

M2: in-place recovery is bound to the session whose keep-alive recovered;
one overtaken by a re-initialise no longer re-arms the new session's
outage latch or degrades its health (ReadCoreAsync expectedSession).

L1 CAS health updates; L2 re-check before each recovery publish; L3 skip
CloseSession on a lost session; L4 SDK log forwarding rate-limited
(20/min); L5 per-driver SDK LoggerFactory disposed with the driver.
Wire test asserts the read stamp stays frozen while the server is down.
2026-10-11 08:41:27 -04:00

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XML

<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
<Nullable>enable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
<LangVersion>latest</LangVersion>
<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
<GenerateDocumentationFile>true</GenerateDocumentationFile>
<NoWarn>$(NoWarn);CS1591</NoWarn>
<RootNamespace>ZB.MOM.WW.OtOpcUa.Driver.OpcUaClient</RootNamespace>
<AssemblyName>ZB.MOM.WW.OtOpcUa.Driver.OpcUaClient</AssemblyName>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\ZB.MOM.WW.OtOpcUa.Driver.OpcUaClient.Contracts\ZB.MOM.WW.OtOpcUa.Driver.OpcUaClient.Contracts.csproj"/>
<!-- NamespaceMap (ISession-typed) — shared with .Browser, which is why it is its own leaf rather
than living here. See the block comment in the .Session csproj. -->
<ProjectReference Include="..\ZB.MOM.WW.OtOpcUa.Driver.OpcUaClient.Session\ZB.MOM.WW.OtOpcUa.Driver.OpcUaClient.Session.csproj"/>
<ProjectReference Include="..\..\Core\ZB.MOM.WW.OtOpcUa.Core.Abstractions\ZB.MOM.WW.OtOpcUa.Core.Abstractions.csproj"/>
<ProjectReference Include="..\..\Core\ZB.MOM.WW.OtOpcUa.Core\ZB.MOM.WW.OtOpcUa.Core.csproj"/>
</ItemGroup>
<ItemGroup>
<PackageReference Include="OPCFoundation.NetStandard.Opc.Ua.Client"/>
<PackageReference Include="OPCFoundation.NetStandard.Opc.Ua.Configuration"/>
<PackageReference Include="ZB.MOM.WW.Secrets.Abstractions"/>
</ItemGroup>
<ItemGroup>
<InternalsVisibleTo Include="ZB.MOM.WW.OtOpcUa.Driver.OpcUaClient.Tests"/>
<!-- Gitea #656: the native-alarm re-statement end-to-end tests drive this driver into the real DriverHostActor. -->
<InternalsVisibleTo Include="ZB.MOM.WW.OtOpcUa.Runtime.Tests"/>
<!-- Gitea #670 review M1: the wire test deletes the driver's subscription server-side through its own session. -->
<InternalsVisibleTo Include="ZB.MOM.WW.OtOpcUa.OpcUaServer.IntegrationTests"/>
</ItemGroup>
</Project>