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sprints and audit work

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This commit is contained in:
StellaOps Bot
2026-01-07 09:36:16 +02:00
parent 05833e0af2
commit ab364c6032
377 changed files with 64534 additions and 1627 deletions
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14
src/Telemetry/StellaOps.Telemetry.Core/StellaOps.Telemetry.Core/TtePercentileExporter.cs
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@@ -28,6 +28,7 @@ public sealed class TtePercentileExporter : IDisposable
private readonly Dictionary<string, LatencyWindow> _windows = new();
private readonly int _windowSizeSeconds;
private readonly int _maxSamplesPerWindow;
private readonly Func<int, int> _randomIndexSource;
// Observable gauges for percentiles
private readonly ObservableGauge<double> _p50Gauge;
@@ -38,11 +39,14 @@ public sealed class TtePercentileExporter : IDisposable
/// <summary>
/// Initializes a new instance of <see cref="TtePercentileExporter"/>.
/// </summary>
public TtePercentileExporter(TtePercentileOptions? options = null)
/// <param name="options">Configuration options.</param>
/// <param name="randomIndexSource">Optional random index source for testability (receives max, returns 0..max-1).</param>
public TtePercentileExporter(TtePercentileOptions? options = null, Func<int, int>? randomIndexSource = null)
{
var opts = options ?? new TtePercentileOptions();
_windowSizeSeconds = opts.WindowSizeSeconds;
_maxSamplesPerWindow = opts.MaxSamplesPerWindow;
_randomIndexSource = randomIndexSource ?? Random.Shared.Next;
_meter = new Meter(MeterName, opts.Version);
@@ -82,7 +86,7 @@ public sealed class TtePercentileExporter : IDisposable
{
if (!_windows.TryGetValue(key, out var window))
{
window = new LatencyWindow(_windowSizeSeconds, _maxSamplesPerWindow);
window = new LatencyWindow(_windowSizeSeconds, _maxSamplesPerWindow, _randomIndexSource);
_windows[key] = window;
}
window.Add(latencySeconds, DateTimeOffset.UtcNow);
@@ -158,12 +162,14 @@ public sealed class TtePercentileExporter : IDisposable
{
private readonly int _windowSizeSeconds;
private readonly int _maxSamples;
private readonly Func<int, int> _randomIndexSource;
private readonly List<(double Latency, DateTimeOffset Timestamp)> _samples = new();
public LatencyWindow(int windowSizeSeconds, int maxSamples)
public LatencyWindow(int windowSizeSeconds, int maxSamples, Func<int, int> randomIndexSource)
{
_windowSizeSeconds = windowSizeSeconds;
_maxSamples = maxSamples;
_randomIndexSource = randomIndexSource;
}
public void Add(double latency, DateTimeOffset timestamp)
@@ -180,7 +186,7 @@ public sealed class TtePercentileExporter : IDisposable
else
{
// Reservoir sampling for large windows
var index = Random.Shared.Next(_samples.Count + 1);
var index = _randomIndexSource(_samples.Count + 1);
if (index < _samples.Count)
{
_samples[index] = (latency, timestamp);