private bool TryExtractTracestate(string[] tracestateCollection, out Tracestate tracestateResult)
{
tracestateResult = Tracestate.Empty;
var tracestateBuilder = Tracestate.Builder;
try
{
var names = new HashSet <string>();
if (tracestateCollection != null)
{
// Iterate in reverse order because when call builder set the elements is added in the
// front of the list.
for (int i = tracestateCollection.Length - 1; i >= 0; i--)
{
if (!TracestateUtils.TryExtractTracestate(tracestateCollection[i], tracestateBuilder))
{
return(false);
}
}
}
tracestateResult = tracestateBuilder.Build();
return(true);
}
catch (Exception)
{
// failure to parse tracestate should not disregard traceparent
// TODO: logging
}
return(false);
}
private void ExtractGenericProperties(SpanData span, out SpanKind resultKind, out DateTimeOffset timestamp, out string name, out string resultCode, out IDictionary <string, string> props, out string traceId, out string spanId, out string parentId, out Tracestate tracestate, out bool?success, out TimeSpan duration)
{
resultKind = span.Kind;
// TODO: Should this be a part of generic logic?
if (resultKind == SpanKind.Internal)
{
resultKind = SpanKind.Client;
}
// 1 tick is 100 ns
timestamp = new DateTimeOffset(span.StartTimestamp);
name = span.Name;
props = new Dictionary <string, string>();
traceId = span.Context.TraceId.ToHexString();
spanId = span.Context.SpanId.ToHexString();
parentId = null;
if (span.ParentSpanId != default)
{
parentId = span.ParentSpanId.ToHexString();
}
resultCode = null;
success = null;
if (span.Status != null)
{
resultCode = ((int)span.Status.CanonicalCode).ToString();
success = span.Status.IsOk;
if (!string.IsNullOrEmpty(span.Status.Description))
{
props["statusDescription"] = span.Status.Description;
}
}
tracestate = span.Context.Tracestate;
duration = span.EndTimestamp - span.StartTimestamp;
}
private void ExtractGenericProperties(ISpanData span, out SpanKind resultKind, out DateTimeOffset timestamp, out string name, out string resultCode, out IDictionary <string, string> props, out string traceId, out string spanId, out string parentId, out Tracestate tracestate, out bool?success, out TimeSpan duration)
{
resultKind = span.Kind;
// TODO: Should this be a part of generic logic?
if (resultKind == SpanKind.Internal)
{
if (span.HasRemoteParent.HasValue && span.HasRemoteParent.Value)
{
resultKind = SpanKind.Server;
}
else
{
resultKind = SpanKind.Client;
}
}
// 1 tick is 100 ns
timestamp = DateTimeOffset.FromUnixTimeSeconds(span.StartTimestamp.Seconds);
timestamp = timestamp.Add(TimeSpan.FromTicks(span.StartTimestamp.Nanos / 100));
name = span.Name;
props = new Dictionary <string, string>();
traceId = span.Context.TraceId.ToLowerBase16();
spanId = span.Context.SpanId.ToLowerBase16();
parentId = null;
if (span.ParentSpanId != null && span.ParentSpanId.IsValid)
{
parentId = span.ParentSpanId.ToLowerBase16();
}
resultCode = null;
success = null;
if (span.Status != null)
{
resultCode = ((int)span.Status.CanonicalCode).ToString();
success = span.Status.IsOk;
if (!string.IsNullOrEmpty(span.Status.Description))
{
props["statusDescription"] = span.Status.Description;
}
}
tracestate = span.Context.Tracestate;
var durationTs = span.EndTimestamp.SubtractTimestamp(span.StartTimestamp);
duration = TimeSpan.FromTicks((durationTs.Seconds * TimeSpan.TicksPerSecond) + (durationTs.Nanos / 100));
}
/// <summary>
/// Creates a new <see cref="SpanContext"/> with the given identifiers and options.
/// </summary>
/// <param name="traceId">The <see cref="TraceId"/> to associate with the <see cref="SpanContext"/>.</param>
/// <param name="spanId">The <see cref="SpanId"/> to associate with the <see cref="SpanContext"/>.</param>
/// <param name="traceOptions">The <see cref="TraceOptions"/> to associate with the <see cref="SpanContext"/>.</param>
/// <param name="tracestate">The <see cref="Tracestate"/> to associate with the <see cref="SpanContext"/>.</param>
/// <returns>A new <see cref="SpanContext"/> with the given identifiers and options.</returns>
public static SpanContext Create(TraceId traceId, SpanId spanId, TraceOptions traceOptions, Tracestate tracestate)
{
return(new SpanContext(traceId, spanId, traceOptions, tracestate));
}
private SpanContext(TraceId traceId, SpanId spanId, TraceOptions traceOptions, Tracestate tracestate)
{
this.TraceId = traceId;
this.SpanId = spanId;
this.TraceOptions = traceOptions;
this.Tracestate = tracestate;
}
private void ExtractGenericProperties(Span span, out string name, out string resultCode, out string statusDescription, out string traceId, out string spanId, out string parentId, out Tracestate tracestate, out bool?success, out TimeSpan duration)
{
name = span.Name;
statusDescription = null;
traceId = span.Context.TraceId.ToHexString();
spanId = span.Context.SpanId.ToHexString();
parentId = null;
if (span.ParentSpanId != default)
{
parentId = span.ParentSpanId.ToHexString();
}
resultCode = null;
success = null;
if (span.Status.IsValid)
{
resultCode = ((int)span.Status.CanonicalCode).ToString();
success = span.Status.IsOk;
if (!string.IsNullOrEmpty(span.Status.Description))
{
statusDescription = span.Status.Description;
}
}
tracestate = span.Context.Tracestate;
duration = span.EndTimestamp - span.StartTimestamp;
}