internal static IEnumerable <OtlpTrace.ResourceSpans> ToOtlpResourceSpans(this IEnumerable <SpanData> spanDataList)
{
var resourceToLibraryAndSpans = GroupByResourceAndLibrary(spanDataList);
var resourceSpansList = new List <OtlpTrace.ResourceSpans>(resourceToLibraryAndSpans.Count);
foreach (var resource in resourceToLibraryAndSpans)
{
// TODO: this is a temporary workaround since library is still on the resource, not on its own field.
var libName = resource.Key.Attributes.FirstOrDefault(
kvp => kvp.Key == Resource.LibraryNameKey);
var libVersion = resource.Key.Attributes.FirstOrDefault(
kvp => kvp.Key == Resource.LibraryVersionKey);
var libraryList = new List <OtlpTrace.InstrumentationLibrarySpans>(resource.Value.Count);
foreach (var library in resource.Value)
{
var otlpLibrarySpans = new OtlpTrace.InstrumentationLibrarySpans
{
InstrumentationLibrary = new OtlpCommon.InstrumentationLibrary
{
Name = libName.Value?.ToString() ?? string.Empty,
Version = libVersion.Value?.ToString() ?? string.Empty,
},
};
otlpLibrarySpans.Spans.AddRange(library.Value);
libraryList.Add(otlpLibrarySpans);
}
var otlpResources = new OtlpResource.Resource();
otlpResources.Attributes.AddRange(
resource.Key.Attributes.Select(ToOtlpAttribute));
var otlpResourceSpans = new OtlpTrace.ResourceSpans
{
Resource = otlpResources,
};
otlpResourceSpans.InstrumentationLibrarySpans.AddRange(libraryList);
resourceSpansList.Add(otlpResourceSpans);
}
return(resourceSpansList);
}
internal static IEnumerable <OtlpTrace.ResourceSpans> ToOtlpResourceSpans(this IEnumerable <Activity> activityBatch)
{
var resourceToLibraryAndSpans = GroupByResourceAndLibrary(activityBatch);
var resourceSpansList = new List <OtlpTrace.ResourceSpans>(resourceToLibraryAndSpans.Count);
foreach (var resource in resourceToLibraryAndSpans)
{
var libraryList = new List <OtlpTrace.InstrumentationLibrarySpans>(resource.Value.Count);
foreach (var activitySourceEntry in resource.Value)
{
var activitySource = activitySourceEntry.Key;
var otlpLibrarySpans = new OtlpTrace.InstrumentationLibrarySpans
{
InstrumentationLibrary = new OtlpCommon.InstrumentationLibrary
{
Name = activitySource.Name, // Name is enforced to not be null, but it can be empty.
Version = activitySource.Version ?? string.Empty, // NRE throw by proto
},
};
otlpLibrarySpans.Spans.AddRange(activitySourceEntry.Value);
libraryList.Add(otlpLibrarySpans);
}
var otlpResources = new OtlpResource.Resource();
otlpResources.Attributes.AddRange(
resource.Key.Attributes.Select(ToOtlpAttribute).Where(a => a != null));
var otlpResourceSpans = new OtlpTrace.ResourceSpans
{
Resource = otlpResources,
};
otlpResourceSpans.InstrumentationLibrarySpans.AddRange(libraryList);
resourceSpansList.Add(otlpResourceSpans);
}
return(resourceSpansList);
}
