| | | 1 | | using System.Diagnostics; |
| | | 2 | | using OpenTelemetry; |
| | | 3 | | using OpenTelemetry.Trace; |
| | | 4 | | using OpenAiIntegration; |
| | | 5 | | |
| | | 6 | | namespace Orchestrator.Infrastructure; |
| | | 7 | | |
| | | 8 | | /// <summary> |
| | | 9 | | /// Copies Langfuse-related baggage entries onto newly started activities so child observations inherit shared trace con |
| | | 10 | | /// </summary> |
| | | 11 | | public sealed class LangfuseBaggageSpanProcessor : BaseProcessor<Activity> |
| | | 12 | | { |
| | | 13 | | public override void OnStart(Activity data) |
| | | 14 | | { |
| | 1 | 15 | | foreach (var baggage in data.Baggage) |
| | | 16 | | { |
| | 1 | 17 | | if (!baggage.Key.StartsWith("langfuse.", StringComparison.Ordinal)) |
| | | 18 | | { |
| | | 19 | | continue; |
| | | 20 | | } |
| | | 21 | | |
| | 1 | 22 | | if (string.IsNullOrWhiteSpace(baggage.Value)) |
| | | 23 | | { |
| | | 24 | | continue; |
| | | 25 | | } |
| | | 26 | | |
| | 1 | 27 | | if (data.GetTagItem(baggage.Key) is null) |
| | | 28 | | { |
| | 1 | 29 | | data.SetTag(baggage.Key, baggage.Value); |
| | | 30 | | } |
| | | 31 | | } |
| | | 32 | | |
| | 1 | 33 | | foreach (var metadata in LangfuseActivityPropagation.GetObservationMetadata(data)) |
| | | 34 | | { |
| | 1 | 35 | | if (data.GetTagItem(metadata.Key) is null) |
| | | 36 | | { |
| | 1 | 37 | | data.SetTag(metadata.Key, metadata.Value); |
| | | 38 | | } |
| | | 39 | | } |
| | 1 | 40 | | } |
| | | 41 | | |
| | | 42 | | public override void OnEnd(Activity data) |
| | | 43 | | { |
| | 1 | 44 | | if (data.ParentSpanId == default) |
| | | 45 | | { |
| | 1 | 46 | | LangfuseActivityPropagation.ClearTraceMetadata(data); |
| | | 47 | | } |
| | 1 | 48 | | } |
| | | 49 | | } |