internal static ZipkinSpan ToZipkinSpan(this SpanData otelSpan, ZipkinEndpoint defaultLocalEndpoint, bool useShortTraceIds = false) { var context = otelSpan.Context; var startTimestamp = ToEpochMicroseconds(otelSpan.StartTimestamp); var endTimestamp = ToEpochMicroseconds(otelSpan.EndTimestamp); string parentId = null; if (otelSpan.ParentSpanId != default) { parentId = EncodeSpanId(otelSpan.ParentSpanId); } var attributeEnumerationState = new AttributeEnumerationState { Tags = PooledList <KeyValuePair <string, string> > .Create(), }; DictionaryEnumerator <string, object, AttributeEnumerationState> .AllocationFreeForEach(otelSpan.Attributes, ref attributeEnumerationState, ProcessAttributesRef); DictionaryEnumerator <string, object, AttributeEnumerationState> .AllocationFreeForEach(otelSpan.LibraryResource.Attributes, ref attributeEnumerationState, ProcessLibraryResourcesRef); var localEndpoint = defaultLocalEndpoint; var serviceName = attributeEnumerationState.ServiceName; // override default service name if (!string.IsNullOrWhiteSpace(serviceName)) { if (!string.IsNullOrWhiteSpace(attributeEnumerationState.ServiceNamespace)) { serviceName = attributeEnumerationState.ServiceNamespace + "." + serviceName; } if (!LocalEndpointCache.TryGetValue(serviceName, out localEndpoint)) { localEndpoint = defaultLocalEndpoint.Clone(serviceName); LocalEndpointCache.TryAdd(serviceName, localEndpoint); } } ZipkinEndpoint remoteEndpoint = null; if ((otelSpan.Kind == SpanKind.Client || otelSpan.Kind == SpanKind.Producer) && attributeEnumerationState.RemoteEndpointServiceName != null) { remoteEndpoint = RemoteEndpointCache.GetOrAdd(attributeEnumerationState.RemoteEndpointServiceName, ZipkinEndpoint.Create); } var status = otelSpan.Status; if (status.IsValid) { if (!CanonicalCodeCache.TryGetValue(status.CanonicalCode, out string canonicalCode)) { canonicalCode = status.CanonicalCode.ToString(); CanonicalCodeCache.TryAdd(status.CanonicalCode, canonicalCode); } PooledList <KeyValuePair <string, string> > .Add(ref attributeEnumerationState.Tags, new KeyValuePair <string, string>(StatusCode, canonicalCode)); if (status.Description != null) { PooledList <KeyValuePair <string, string> > .Add(ref attributeEnumerationState.Tags, new KeyValuePair <string, string>(StatusDescription, status.Description)); } } var annotations = PooledList <ZipkinAnnotation> .Create(); ListEnumerator <Event, PooledList <ZipkinAnnotation> > .AllocationFreeForEach(otelSpan.Events, ref annotations, ProcessEventsRef); return(new ZipkinSpan( EncodeTraceId(context.TraceId, useShortTraceIds), parentId, EncodeSpanId(context.SpanId), ToSpanKind(otelSpan), otelSpan.Name, ToEpochMicroseconds(otelSpan.StartTimestamp), duration: endTimestamp - startTimestamp, localEndpoint, remoteEndpoint, annotations, attributeEnumerationState.Tags, null, null)); }
internal static ZipkinSpan ToZipkinSpan(this Activity activity, ZipkinEndpoint defaultLocalEndpoint, bool useShortTraceIds = false) { var context = activity.Context; var startTimestamp = activity.StartTimeUtc.ToEpochMicroseconds(); string parentId = EncodeSpanId(activity.ParentSpanId); if (string.Equals(parentId, InvalidSpanId, StringComparison.Ordinal)) { parentId = null; } var attributeEnumerationState = new AttributeEnumerationState { Tags = PooledList <KeyValuePair <string, string> > .Create(), }; DictionaryEnumerator <string, string, AttributeEnumerationState> .AllocationFreeForEach(activity.Tags, ref attributeEnumerationState, ProcessTagsRef); var activitySource = activity.Source; if (!string.IsNullOrEmpty(activitySource.Name)) { PooledList <KeyValuePair <string, string> > .Add(ref attributeEnumerationState.Tags, new KeyValuePair <string, string>("library.name", activitySource.Name)); if (!string.IsNullOrEmpty(activitySource.Version)) { PooledList <KeyValuePair <string, string> > .Add(ref attributeEnumerationState.Tags, new KeyValuePair <string, string>("library.version", activitySource.Version)); } } var localEndpoint = defaultLocalEndpoint; var serviceName = attributeEnumerationState.ServiceName; // override default service name if (!string.IsNullOrWhiteSpace(serviceName)) { if (!string.IsNullOrWhiteSpace(attributeEnumerationState.ServiceNamespace)) { serviceName = attributeEnumerationState.ServiceNamespace + "." + serviceName; } if (!LocalEndpointCache.TryGetValue(serviceName, out localEndpoint)) { localEndpoint = defaultLocalEndpoint.Clone(serviceName); LocalEndpointCache.TryAdd(serviceName, localEndpoint); } } ZipkinEndpoint remoteEndpoint = null; if ((activity.Kind == ActivityKind.Client || activity.Kind == ActivityKind.Producer) && attributeEnumerationState.RemoteEndpointServiceName != null) { remoteEndpoint = RemoteEndpointCache.GetOrAdd(attributeEnumerationState.RemoteEndpointServiceName, ZipkinEndpoint.Create); } var annotations = PooledList <ZipkinAnnotation> .Create(); ListEnumerator <ActivityEvent, PooledList <ZipkinAnnotation> > .AllocationFreeForEach(activity.Events, ref annotations, ProcessActivityEventsRef); return(new ZipkinSpan( EncodeTraceId(context.TraceId, useShortTraceIds), parentId, EncodeSpanId(context.SpanId), ToActivityKind(activity), activity.OperationName, activity.StartTimeUtc.ToEpochMicroseconds(), duration: (long)activity.Duration.ToEpochMicroseconds(), localEndpoint, remoteEndpoint, annotations, attributeEnumerationState.Tags, null, null)); }