public static JaegerLog ToJaegerLog(this Event timedEvent)
{
var tags = new PooledListState <JaegerTag>
{
Created = true,
List = PooledList <JaegerTag> .Create(),
};
DictionaryEnumerator <string, object, PooledListState <JaegerTag> > .AllocationFreeForEach(
timedEvent.Attributes,
ref tags,
ProcessTagRef);
// Matches what OpenTracing and OpenTelemetry defines as the event name.
// https://github.com/opentracing/specification/blob/master/semantic_conventions.md#log-fields-table
// https://github.com/open-telemetry/opentelemetry-specification/pull/397/files
PooledList <JaegerTag> .Add(ref tags.List, new JaegerTag("message", JaegerTagType.STRING, vStr : timedEvent.Name));
return(new JaegerLog(timedEvent.Timestamp.ToEpochMicroseconds(), tags.List));
}
public static JaegerSpan ToJaegerSpan(this Activity activity)
{
var jaegerTags = new TagState
{
Tags = PooledList <JaegerTag> .Create(),
};
DictionaryEnumerator <string, string, TagState> .AllocationFreeForEach(
activity.Tags,
ref jaegerTags,
ProcessActivityTagRef);
string peerServiceName = null;
if ((activity.Kind == ActivityKind.Client || activity.Kind == ActivityKind.Producer) && jaegerTags.PeerService != null)
{
// Send peer.service for remote calls.
peerServiceName = jaegerTags.PeerService;
// If priority = 0 that means peer.service was already included in tags.
if (jaegerTags.PeerServicePriority > 0)
{
PooledList <JaegerTag> .Add(ref jaegerTags.Tags, new JaegerTag(SpanAttributeConstants.PeerServiceKey, JaegerTagType.STRING, vStr : peerServiceName));
}
}
// The Span.Kind must translate into a tag.
// See https://opentracing.io/specification/conventions/
if (activity.Kind != ActivityKind.Internal)
{
string spanKind = null;
if (activity.Kind == ActivityKind.Server)
{
spanKind = "server";
}
else if (activity.Kind == ActivityKind.Client)
{
spanKind = "client";
}
else if (activity.Kind == ActivityKind.Consumer)
{
spanKind = "consumer";
}
else if (activity.Kind == ActivityKind.Producer)
{
spanKind = "producer";
}
if (spanKind != null)
{
PooledList <JaegerTag> .Add(ref jaegerTags.Tags, new JaegerTag("span.kind", JaegerTagType.STRING, vStr : spanKind));
}
}
var activitySource = activity.Source;
if (!string.IsNullOrEmpty(activitySource.Name))
{
PooledList <JaegerTag> .Add(ref jaegerTags.Tags, new JaegerTag("library.name", JaegerTagType.STRING, vStr : activitySource.Name));
if (!string.IsNullOrEmpty(activitySource.Version))
{
PooledList <JaegerTag> .Add(ref jaegerTags.Tags, new JaegerTag("library.version", JaegerTagType.STRING, vStr : activitySource.Version));
}
}
var traceId = Int128.Empty;
var spanId = Int128.Empty;
var parentSpanId = Int128.Empty;
if (activity.IdFormat == ActivityIdFormat.W3C)
{
// TODO: The check above should be enforced by the usage of the exporter. Perhaps enforce at higher-level.
traceId = new Int128(activity.TraceId);
spanId = new Int128(activity.SpanId);
parentSpanId = new Int128(activity.ParentSpanId);
}
return(new JaegerSpan(
peerServiceName: peerServiceName,
traceIdLow: traceId.Low,
traceIdHigh: traceId.High,
spanId: spanId.Low,
parentSpanId: parentSpanId.Low,
operationName: activity.DisplayName,
flags: (activity.Context.TraceFlags & ActivityTraceFlags.Recorded) > 0 ? 0x1 : 0,
startTime: ToEpochMicroseconds(activity.StartTimeUtc),
duration: (long)activity.Duration.TotalMilliseconds * 1000,
references: activity.Links.ToJaegerSpanRefs(),
tags: jaegerTags.Tags,
logs: activity.Events.ToJaegerLogs()));
}
public static JaegerSpan ToJaegerSpan(this SpanData span)
{
var jaegerTags = new TagState
{
Tags = PooledList <JaegerTag> .Create(),
};
DictionaryEnumerator <string, object, TagState> .AllocationFreeForEach(
span.Attributes,
ref jaegerTags,
ProcessAttributeRef);
// Send peer.service for remote calls. If priority = 0 that means peer.service was already included.
if ((span.Kind == SpanKind.Client || span.Kind == SpanKind.Producer) &&
jaegerTags.PeerService != null &&
jaegerTags.PeerServicePriority > 0)
{
PooledList <JaegerTag> .Add(ref jaegerTags.Tags, new JaegerTag("peer.service", JaegerTagType.STRING, vStr : jaegerTags.PeerService));
}
// The Span.Kind must translate into a tag.
// See https://opentracing.io/specification/conventions/
if (span.Kind.HasValue)
{
string spanKind = null;
if (span.Kind.Value == SpanKind.Server)
{
spanKind = "server";
}
else if (span.Kind.Value == SpanKind.Client)
{
spanKind = "client";
}
else if (span.Kind.Value == SpanKind.Consumer)
{
spanKind = "consumer";
}
else if (span.Kind.Value == SpanKind.Producer)
{
spanKind = "producer";
}
if (spanKind != null)
{
PooledList <JaegerTag> .Add(ref jaegerTags.Tags, new JaegerTag("span.kind", JaegerTagType.STRING, vStr : spanKind));
}
}
DictionaryEnumerator <string, object, TagState> .AllocationFreeForEach(
span.LibraryResource?.Attributes ?? Array.Empty <KeyValuePair <string, object> >(),
ref jaegerTags,
ProcessLibraryAttributeRef);
var status = span.Status;
if (status.IsValid)
{
if (!CanonicalCodeDictionary.TryGetValue(status.CanonicalCode, out string statusCode))
{
statusCode = status.CanonicalCode.ToString();
CanonicalCodeDictionary.Add(status.CanonicalCode, statusCode);
}
PooledList <JaegerTag> .Add(ref jaegerTags.Tags, new JaegerTag(StatusCode, JaegerTagType.STRING, vStr : statusCode));
if (status.Description != null)
{
PooledList <JaegerTag> .Add(ref jaegerTags.Tags, new JaegerTag(StatusDescription, JaegerTagType.STRING, vStr : status.Description));
}
}
var traceId = Int128.Empty;
var spanId = Int128.Empty;
var parentSpanId = Int128.Empty;
if (span.Context.IsValid)
{
traceId = new Int128(span.Context.TraceId);
spanId = new Int128(span.Context.SpanId);
parentSpanId = new Int128(span.ParentSpanId);
}
return(new JaegerSpan(
peerServiceName: jaegerTags.PeerService,
traceIdLow: traceId.Low,
traceIdHigh: traceId.High,
spanId: spanId.Low,
parentSpanId: parentSpanId.Low,
operationName: span.Name,
flags: (span.Context.TraceOptions & ActivityTraceFlags.Recorded) > 0 ? 0x1 : 0,
startTime: ToEpochMicroseconds(span.StartTimestamp),
duration: ToEpochMicroseconds(span.EndTimestamp) - ToEpochMicroseconds(span.StartTimestamp),
references: span.Links.ToJaegerSpanRefs(),
tags: jaegerTags.Tags,
logs: span.Events.ToJaegerLogs()));
}
