Method SetHeaders

api/shared/trace_headers.go:27–37

Add tracing headers if they are not already set.

(request *http.Request)

// Add tracing headers if they are not already set.
func (t *TraceHeaders) SetHeaders(request *http.Request) {
	// only override the trace headers if they are not already set (e.g. already explicitly set by cf curl)
	if request.Header.Get(B3TraceIDHeader) == "" {
		request.Header.Add(B3TraceIDHeader, t.b3trace)
	}
	if request.Header.Get(B3SpanIDHeader) == "" {
		request.Header.Add(B3SpanIDHeader, trace.GenerateRandomTraceID(16))
	}

	// request.Header.Add(("B3", request.Header.Get(B3TraceIDHeader)+request.Header.Get(B3SpanIDHeader)))
}