fix: preserve baseline OPC UA aggregate algorithms under SDK 2.0

This commit is contained in:
Joseph Doherty
2026-11-10 10:24:19 -05:00
parent 96fd67695f
commit a5bed28765
16 changed files with 4201 additions and 0 deletions
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup><OutputType>Exe</OutputType></PropertyGroup>
<ItemGroup><PackageReference Include="OPCFoundation.NetStandard.Opc.Ua.Server" Version="1.5.378.182" /></ItemGroup>
</Project>
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<Project>
<!-- Deliberately isolated baseline process: never inherit or load the candidate SDK. -->
<PropertyGroup><TargetFramework>net10.0</TargetFramework><Nullable>enable</Nullable><ImplicitUsings>enable</ImplicitUsings><TreatWarningsAsErrors>true</TreatWarningsAsErrors><ManagePackageVersionsCentrally>false</ManagePackageVersionsCentrally></PropertyGroup>
</Project>
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<Project><PropertyGroup><ManagePackageVersionsCentrally>false</ManagePackageVersionsCentrally></PropertyGroup></Project>
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using System.Globalization;
using System.Security.Cryptography;
using System.Text.Json;
using Opc.Ua;
using Opc.Ua.Server;
if (args.Length != 1) throw new ArgumentException("Pass a fresh output JSON path.");
if (File.Exists(args[0])) throw new IOException("Refusing to overwrite existing baseline evidence.");
var epoch = new DateTime(2026, 10, 1, 8, 0, 0, DateTimeKind.Utc).AddTicks(1234567);
var telemetry = DefaultTelemetry.Create(_ => { });
var offsets = new double[] { -10, 0, 5, 15, 25, 35, 50, 80 };
var data = new Dictionary<string, Sample[]>
{
["double"] = offsets.Select((s, i) => new Sample(s, "Double", (10 + i * 7 % 13).ToString(CultureInfo.InvariantCulture), StatusCodes.Good)).ToArray(),
["uncertain"] = offsets.Select((s, i) => new Sample(s, i == 4 ? "Null" : "Double", i == 4 ? null : i == 2 ? "100" : (10 + i * 7 % 13).ToString(CultureInfo.InvariantCulture), i == 2 ? StatusCodes.UncertainDataSubNormal : i == 4 ? StatusCodes.BadNoCommunication : StatusCodes.Good)).ToArray(),
["integer"] = offsets.Select((s, i) => new Sample(s, "Int64", (i * 7 - 10).ToString(CultureInfo.InvariantCulture), i == 3 ? StatusCodes.UncertainDataSubNormal : StatusCodes.Good)).ToArray(),
["boolean"] = offsets.Select((s, i) => new Sample(s, "Boolean", (i % 2 == 0).ToString(), i == 2 ? StatusCodes.UncertainDataSubNormal : StatusCodes.Good)).ToArray(),
["sparse"] = [new(-10, "Double", "10", StatusCodes.Good), new(7, "Double", "20", StatusCodes.Good), new(18, "Null", null, StatusCodes.BadNoCommunication), new(45, "Double", "30", StatusCodes.Good)],
["bad"] = offsets.Select(s => new Sample(s, "Null", null, StatusCodes.BadNoCommunication)).ToArray(),
["empty"] = [],
};
var names = new string[]
{
"AggregateFunction_Interpolative",
"AggregateFunction_Average",
"AggregateFunction_TimeAverage",
"AggregateFunction_TimeAverage2",
"AggregateFunction_Total",
"AggregateFunction_Total2",
"AggregateFunction_Minimum",
"AggregateFunction_Maximum",
"AggregateFunction_MinimumActualTime",
"AggregateFunction_MaximumActualTime",
"AggregateFunction_Range",
"AggregateFunction_Minimum2",
"AggregateFunction_Maximum2",
"AggregateFunction_MinimumActualTime2",
"AggregateFunction_MaximumActualTime2",
"AggregateFunction_Range2",
"AggregateFunction_Count",
"AggregateFunction_AnnotationCount",
"AggregateFunction_DurationInStateZero",
"AggregateFunction_DurationInStateNonZero",
"AggregateFunction_NumberOfTransitions",
"AggregateFunction_Start",
"AggregateFunction_End",
"AggregateFunction_Delta",
"AggregateFunction_StartBound",
"AggregateFunction_EndBound",
"AggregateFunction_DeltaBounds",
"AggregateFunction_DurationGood",
"AggregateFunction_DurationBad",
"AggregateFunction_PercentGood",
"AggregateFunction_PercentBad",
"AggregateFunction_WorstQuality",
"AggregateFunction_WorstQuality2",
"AggregateFunction_StandardDeviationPopulation",
"AggregateFunction_VariancePopulation",
"AggregateFunction_StandardDeviationSample",
"AggregateFunction_VarianceSample",
};
var vectors = new List<Vector>();
foreach (var name in names)
foreach (var dataset in data)
foreach (var reverse in new[] { false, true })
foreach (var stepped in new[] { false, true })
foreach (var uncertainAsBad in new[] { false, true })
foreach (var incremental in new[] { false, true })
{
var id = (NodeId)typeof(ObjectIds).GetField(name)!.GetValue(null)!;
var start = epoch.AddSeconds(reverse ? 70 : 0);
var end = epoch.AddSeconds(reverse ? 0 : 70);
var config = new AggregateConfiguration { TreatUncertainAsBad = uncertainAsBad, PercentDataBad = 100, PercentDataGood = 100, UseSlopedExtrapolation = false, UseServerCapabilitiesDefaults = false };
var calculator = Aggregators.CreateStandardCalculator(id, start, end, 20_000, stepped, config, telemetry);
var output = new List<Value>();
string? error = null;
try
{
var samples = dataset.Value.OrderBy(x => x.Seconds);
foreach (var sample in reverse ? samples.Reverse() : samples)
{
var time = epoch.AddSeconds(sample.Seconds);
calculator.QueueRawValue(new DataValue(new Variant(Payload(sample)!), sample.Status, time, time));
if (incremental) Drain(false);
}
Drain(true);
}
catch (Exception ex) { error = ex.GetType().FullName; }
vectors.Add(new(name, dataset.Key, reverse, stepped, uncertainAsBad, incremental, output.ToArray(), error));
void Drain(bool partial)
{
for (var guard = 0; guard < 100; guard++)
{
var value = calculator.GetProcessedValue(partial);
if (value is null) return;
output.Add(new(partial, value.Value?.GetType().Name, Format(value.Value), value.StatusCode.Code, value.SourceTimestamp.Ticks, value.ServerTimestamp.Ticks, value.SourcePicoseconds, value.ServerPicoseconds));
}
throw new InvalidOperationException("Baseline calculator did not terminate.");
}
}
var assembly = typeof(Aggregators).Assembly.Location;
var baseline = new { sdk = "1.5.378.182", assemblySha256 = Convert.ToHexStringLower(SHA256.HashData(File.ReadAllBytes(assembly))), epochTicks = epoch.Ticks, intervalMilliseconds = 20_000, data, vectors };
Directory.CreateDirectory(Path.GetDirectoryName(Path.GetFullPath(args[0]))!);
File.WriteAllText(args[0], JsonSerializer.Serialize(baseline, new JsonSerializerOptions { WriteIndented = true }) + "\n");
Console.WriteLine($"Generated {vectors.Count} vectors for {names.Length} aggregate IDs; baseline assembly SHA256 {baseline.assemblySha256}.");
static object? Payload(Sample sample) => sample.Type switch
{
"Double" => double.Parse(sample.Payload!, CultureInfo.InvariantCulture),
"Int64" => long.Parse(sample.Payload!, CultureInfo.InvariantCulture),
"Boolean" => bool.Parse(sample.Payload!),
_ => null,
};
static string? Format(object? value) => value switch
{
null => null,
double number => number.ToString("R", CultureInfo.InvariantCulture),
float number => number.ToString("R", CultureInfo.InvariantCulture),
IFormattable formattable => formattable.ToString(null, CultureInfo.InvariantCulture),
_ => value.ToString(),
};
record Sample(double Seconds, string Type, string? Payload, uint Status);
record Value(bool PartialRequested, string? Type, string? Payload, uint Status, long SourceTicks, long ServerTicks, ushort SourcePicoseconds, ushort ServerPicoseconds);
record Vector(string Aggregate, string DataSet, bool Reverse, bool Stepped, bool UncertainAsBad, bool Incremental, Value[] Output, string? Exception);