public ISpan Start(ISpanBuilder spanBuilder)
{
if (spanBuilder == null)
{
throw new ArgumentNullException(nameof(spanBuilder));
}
var traceId = spanBuilder.References?.FirstOrDefault()?.SpanContext?.TraceId ?? Guid.NewGuid().ToString();
var spanId = Guid.NewGuid().ToString();
var baggage = new Baggage();
if (spanBuilder.References != null)
{
foreach (var reference in spanBuilder.References)
{
baggage.Merge(reference.SpanContext.Baggage);
}
}
var sampled = spanBuilder.Sampled ?? _sampler?.ShouldSample();
var spanContext = _spanContextFactory.Create(new SpanContextPackage(traceId, spanId, sampled.GetValueOrDefault(true), baggage, spanBuilder.References));
return(new Span(spanBuilder.OperationName, spanBuilder.StartTimestamp ?? DateTimeOffset.UtcNow, spanContext, _spanRecorder));
}
public ISpanContext Read(ICarrier carrier)
{
var textMapCarrier = carrier as ITextMapCarrier;
if (textMapCarrier == null)
{
return(null);
}
var traceId = textMapCarrier.GetTraceId();
var spanId = textMapCarrier.GetSpanId();
var sampled = textMapCarrier.GetSampled();
return(_spanContextFactory.Create(new SpanContextPackage(traceId, spanId, sampled, textMapCarrier.GetBaggage())));
}
public ISpan Start(ISpanBuilder spanBuilder)
{
if (spanBuilder == null)
{
throw new ArgumentNullException(nameof(spanBuilder));
}
var traceId = spanBuilder.References?.FirstOrDefault()?.SpanContext?.TraceId ?? Guid.NewGuid().ToString();
var spanId = Guid.NewGuid().ToString();
Baggage baggage = new Baggage();
foreach (var reference in spanBuilder.References)
{
baggage.Merge(reference.SpanContext.Baggage);
}
var spanContext = _spanContextFactory.Create(new SpanContextPackage(traceId, spanId, _sampler.ShouldSample(), baggage));
return(new Span(spanBuilder.OperationName, spanContext, _spanQueue));
}
