func()

in plugins/core/propagating.go [117:160]

• 44 lines of code
• 11 McCabe index (conditional complexity)

func (s *SpanContext) DecodeSW8(header string) error {
	if header == "" {
		return errEmptyHeader
	}
	hh := strings.Split(header, splitToken)
	if len(hh) < headerLen {
		return errors.WithMessagef(errInsufficientHeaderEntities, "header string: %s", header)
	}
	sample, err := strconv.ParseInt(hh[0], 10, 8)
	if err != nil {
		return errors.Errorf("str to int8 error %s", hh[0])
	}
	s.Sample = int8(sample)
	s.TraceID, err = decodeBase64(hh[1])
	if err != nil {
		return errors.Wrap(err, "trace id parse error")
	}
	s.ParentSegmentID, err = decodeBase64(hh[2])
	if err != nil {
		return errors.Wrap(err, "parent segment id parse error")
	}
	s.ParentSpanID, err = stringConvertInt32(hh[3])
	if err != nil {
		return errors.Wrap(err, "parent span id parse error")
	}
	s.ParentService, err = decodeBase64(hh[4])
	if err != nil {
		return errors.Wrap(err, "parent service parse error")
	}
	s.ParentServiceInstance, err = decodeBase64(hh[5])
	if err != nil {
		return errors.Wrap(err, "parent service instance parse error")
	}
	s.ParentEndpoint, err = decodeBase64(hh[6])
	if err != nil {
		return errors.Wrap(err, "parent endpoint parse error")
	}
	s.AddressUsedAtClient, err = decodeBase64(hh[7])
	if err != nil {
		return errors.Wrap(err, "network address parse error")
	}
	s.Valid = true
	return nil
}