def extract(self, carrier): # noqa
try:
if type(carrier) is dict or hasattr(carrier, "__dict__"):
dc = carrier
elif type(carrier) is list:
dc = dict(carrier)
else:
raise ot.SpanContextCorruptedException()
# Look for standard X-Instana-T/S format
if self.HEADER_KEY_T in dc and self.header_key_s in dc:
trace_id = util.header_to_id(dc[self.HEADER_KEY_T])
span_id = util.header_to_id(dc[self.HEADER_KEY_S])
# Alternatively check for alternate HTTP_X_INSTANA_T/S style
elif self.ALT_HEADER_KEY_T in dc and self.ALT_HEADER_KEY_S in dc:
trace_id = util.header_to_id(dc[self.ALT_HEADER_KEY_T])
span_id = util.header_to_id(dc[self.ALT_HEADER_KEY_S])
return SpanContext(span_id=span_id,
trace_id=trace_id,
baggage={},
sampled=True)
except Exception as e:
log.debug("extract error: ", str(e))
def extract(self, carrier): # noqa
try:
if type(carrier) is dict or hasattr(carrier, "__dict__"):
dc = carrier
elif type(carrier) is list:
dc = dict(carrier)
else:
raise ot.SpanContextCorruptedException()
if field_name_trace_id in dc and field_name_span_id in dc:
trace_id = util.header_to_id(dc[field_name_trace_id])
span_id = util.header_to_id(dc[field_name_span_id])
return SpanContext(span_id=span_id,
trace_id=trace_id,
baggage={},
sampled=True)
except Exception as e:
log.debug("extract error: ", str(e))
return SpanContext()