Files
lmxopcua/src/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Historian.Gateway/ZB.MOM.WW.OtOpcUa.Driver.Historian.Gateway.csproj
T
Joseph Doherty 78f604e0cd feat(historian): Gateway serves the per-sample aggregates from raw reads with the shared Sql.Common evaluator (#681)
Average, Count, Minimum, Maximum, Range, Start, End, Delta and Minimum/MaximumActualTime are evaluated
on the Gateway backend from forward ReadRaw reads with BucketPlan + AggregateEvaluator, so Gateway
matches SqlServer/QuestDB exactly (values, status bits, interval-start stamps, #677 reverse).

- Window read [start - 1 ms, end] so AVEVA's initial-value row never lands in a bucket; a pre-window
  row proves earlier data only with a non-Bad OPC quality (histsdk puts a value on every NULL row).
- Earlier data otherwise from a 2-row [1970, start) probe; later data from a 2-row [end, now+1d]
  look-ahead; both ignore rows stamped at their query start/end.
- No gateway stream is ever abandoned (a client-side cancel makes the gateway evict its shared
  historian session); past ServerHistorian:MaxTimeWeightedRawRows the bounded stream is drained, then
  BadTooManyOperations. The gateway's max_values-ceiling InvalidArgument maps to the same limit; a
  caller cancellation is not a backend fault.
- TimeAverage/Total stay AVEVA-native (no prior-sample read for exact Part 13 bounds), now stamped with
  the interval start (PENDING the live leg: histsdk's tail+43 start_time field is unverified) and
  carrying the Calculated bits.
- Served set: GatewayHistorianDataSource.ServedAggregates (12). Live AVEVA leg open (VPN).
2026-10-12 09:56:54 -04:00

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XML

<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
<GenerateDocumentationFile>true</GenerateDocumentationFile>
<NoWarn>$(NoWarn);CS1591</NoWarn>
<Platforms>AnyCPU;x64</Platforms>
<RootNamespace>ZB.MOM.WW.OtOpcUa.Driver.Historian.Gateway</RootNamespace>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\..\Core\ZB.MOM.WW.OtOpcUa.Core.Abstractions\ZB.MOM.WW.OtOpcUa.Core.Abstractions.csproj"/>
<ProjectReference Include="..\..\Core\ZB.MOM.WW.OtOpcUa.Core.AlarmHistorian\ZB.MOM.WW.OtOpcUa.Core.AlarmHistorian.csproj"/>
<!-- #681: the per-sample processed aggregates are evaluated from raw reads with the SAME database-independent code the
SQL backends use (BucketPlan, BucketRow, AggregateEvaluator), so Gateway matches SqlServer/QuestDB exactly.
Sql.Common references only Core.Abstractions + Core.AlarmHistorian (both already referenced here) and no
driver, so this adds no cycle. -->
<ProjectReference Include="..\ZB.MOM.WW.OtOpcUa.Driver.Historian.Sql.Common\ZB.MOM.WW.OtOpcUa.Driver.Historian.Sql.Common.csproj"/>
<!-- Runtime owns ServerHistorianOptions (the bound ServerHistorian config). The read-cutover
factory (GatewayHistorian.CreateDataSource / HistorianGatewayClientAdapter.Create) maps
those options onto the package client, so the driver references it. Runtime references no
driver, so this is a diamond (Host -> {Runtime, Gateway}, Gateway -> Runtime), not a cycle. -->
<ProjectReference Include="..\..\Server\ZB.MOM.WW.OtOpcUa.Runtime\ZB.MOM.WW.OtOpcUa.Runtime.csproj"/>
</ItemGroup>
<ItemGroup>
<PackageReference Include="ZB.MOM.WW.HistorianGateway.Client" />
<PackageReference Include="ZB.MOM.WW.HistorianGateway.Contracts" />
<PackageReference Include="Microsoft.Extensions.Logging.Abstractions" />
<!-- FasterLog-backed durable historization outbox (Recorder/FasterLogHistorizationOutbox).
Pure-managed FasterLog; same package the gateway's store-forward outbox uses. -->
<PackageReference Include="Microsoft.FASTER.Core" />
</ItemGroup>
<ItemGroup>
<InternalsVisibleTo Include="ZB.MOM.WW.OtOpcUa.Driver.Historian.Gateway.Tests"/>
</ItemGroup>
</Project>