private ISpan StartSpanInternal( SpanContext parent, string name, ISampler sampler, IEnumerable <ISpan> parentLinks, bool recordEvents, Timer timestampConverter) { ITraceParams activeTraceParams = this.Options.TraceConfig.ActiveTraceParams; IRandomGenerator random = this.Options.RandomHandler; ITraceId traceId; ISpanId spanId = SpanId.GenerateRandomId(random); ISpanId parentSpanId = null; TraceOptionsBuilder traceOptionsBuilder; if (parent == null || !parent.IsValid) { // New root span. traceId = TraceId.GenerateRandomId(random); traceOptionsBuilder = TraceOptions.Builder(); } else { // New child span. traceId = parent.TraceId; parentSpanId = parent.SpanId; traceOptionsBuilder = TraceOptions.Builder(parent.TraceOptions); } traceOptionsBuilder.SetIsSampled( MakeSamplingDecision( parent, name, sampler, parentLinks, traceId, spanId, activeTraceParams)); TraceOptions traceOptions = traceOptionsBuilder.Build(); SpanOptions spanOptions = SpanOptions.None; if (traceOptions.IsSampled || recordEvents) { spanOptions = SpanOptions.RecordEvents; } ISpan span = Span.StartSpan( SpanContext.Create(traceId, spanId, traceOptions, parent?.Tracestate ?? Tracestate.Empty), spanOptions, name, this.Kind, parentSpanId, activeTraceParams, this.Options.StartEndHandler, timestampConverter); LinkSpans(span, parentLinks); return(span); }
/// <inheritdoc/> public ISpan StartSpan() { SpanContext parentContext = FindParent(this.parentType, this.parent, this.parentSpanContext); var activeTraceParams = this.options.TraceConfig.ActiveTraceParams; var random = this.options.RandomHandler; TraceId traceId; var spanId = SpanId.GenerateRandomId(random); SpanId parentSpanId = null; TraceOptionsBuilder traceOptionsBuilder; if (parentContext == null || !parentContext.IsValid) { // New root span. traceId = TraceId.GenerateRandomId(random); traceOptionsBuilder = TraceOptions.Builder(); } else { // New child span. traceId = parentContext.TraceId; parentSpanId = parentContext.SpanId; traceOptionsBuilder = TraceOptions.Builder(parentContext.TraceOptions); } traceOptionsBuilder.SetIsSampled( MakeSamplingDecision( parentContext, this.name, this.sampler, this.links, traceId, spanId, activeTraceParams)); var traceOptions = traceOptionsBuilder.Build(); var spanOptions = SpanOptions.None; if (traceOptions.IsSampled || this.recordEvents) { spanOptions = SpanOptions.RecordEvents; } var span = Span.StartSpan( SpanContext.Create(traceId, spanId, traceOptions, parentContext?.Tracestate ?? Tracestate.Empty), spanOptions, this.name, this.kind, parentSpanId, activeTraceParams, this.options.StartEndHandler, this.timestampConverter); LinkSpans(span, this.links); return(span); }