def _translate_span(self, span: ReadableSpan) -> TCollector.Span:
ctx = span.get_span_context()
trace_id = ctx.trace_id
span_id = ctx.span_id
start_time_us = _nsec_to_usec_round(span.start_time)
duration_us = _nsec_to_usec_round(span.end_time - span.start_time)
parent_id = span.parent.span_id if span.parent else 0
tags = self._extract_tags(span)
refs = self._extract_refs(span)
logs = self._extract_logs(span)
flags = int(ctx.trace_flags)
jaeger_span = TCollector.Span(
traceIdHigh=_get_trace_id_high(trace_id),
traceIdLow=_get_trace_id_low(trace_id),
spanId=_convert_int_to_i64(span_id),
operationName=span.name,
startTime=start_time_us,
duration=duration_us,
tags=tags,
logs=logs,
references=refs,
flags=flags,
parentSpanId=_convert_int_to_i64(parent_id),
)
return jaeger_span
def _translate_span(self, span: ReadableSpan) -> model_pb2.Span:
ctx = span.get_span_context()
# pb2 span expects in byte format
trace_id = _trace_id_to_bytes(ctx.trace_id)
span_id = _span_id_to_bytes(ctx.span_id)
start_time = _proto_timestamp_from_epoch_nanos(span.start_time)
end_time = _proto_timestamp_from_epoch_nanos(span.end_time)
duration = _duration_from_two_time_stamps(start_time, end_time)
tags = self._extract_tags(span)
refs = self._extract_refs(span)
logs = self._extract_logs(span)
flags = int(ctx.trace_flags)
process = model_pb2.Process(
service_name=self.svc_name,
tags=_extract_resource_tags(span, self._max_tag_value_length),
)
jaeger_span = model_pb2.Span(
trace_id=trace_id,
span_id=span_id,
operation_name=span.name,
references=refs,
flags=flags,
start_time=start_time,
duration=duration,
tags=tags,
logs=logs,
process=process,
)
return jaeger_span
def _extract_refs(
self, span: ReadableSpan
) -> Optional[Sequence[model_pb2.SpanRef]]:
refs = []
if span.parent:
ctx = span.get_span_context()
parent_id = span.parent.span_id
parent_ref = model_pb2.SpanRef(
ref_type=model_pb2.SpanRefType.CHILD_OF,
trace_id=_trace_id_to_bytes(ctx.trace_id),
span_id=_span_id_to_bytes(parent_id),
)
refs.append(parent_ref)
for link in span.links:
trace_id = link.context.trace_id
span_id = link.context.span_id
refs.append(
model_pb2.SpanRef(
ref_type=model_pb2.SpanRefType.FOLLOWS_FROM,
trace_id=_trace_id_to_bytes(trace_id),
span_id=_span_id_to_bytes(span_id),
)
)
return refs