def __init__(
self,
id=None,
flags=FlagsType.none,
ttl=DEFAULT_TIMEOUT,
tracing=None,
service=None,
headers=None, # transport headers
checksum=None,
argstreams=None,
serializer=None,
endpoint=None,
):
self.flags = flags
self.ttl = ttl
self.service = service
self.tracing = tracing or common.random_tracing()
# argstreams is a list of InMemStream/PipeStream objects
self.argstreams = argstreams or [InMemStream(), InMemStream(), InMemStream()]
self.checksum = checksum or (ChecksumType.crc32c, 0)
self.id = id
self.headers = headers or {}
self.state = StreamState.init
self.serializer = serializer or RawSerializer()
self.is_streaming_request = self._is_streaming_request()
if not self.is_streaming_request:
self._copy_argstreams = [self.argstreams[0].clone(), self.argstreams[1].clone(), self.argstreams[2].clone()]
self.endpoint = endpoint or ""
def rewind(self, id=None):
self.id = id
if not self.is_streaming_request:
self.argstreams = [
self._copy_argstreams[0].clone(),
self._copy_argstreams[1].clone(),
self._copy_argstreams[2].clone(),
]
self.state = StreamState.init
self.tracing = common.random_tracing()
def rewind(self, id=None):
self.id = id
if not self.is_streaming_request:
self.argstreams = [
self._copy_argstreams[0].clone(),
self._copy_argstreams[1].clone(),
self._copy_argstreams[2].clone(),
]
self.state = StreamState.init
self.tracing = common.random_tracing()
def span_to_tracing_field(span):
"""
Inject the span into Trace field, if Zipkin format is supported
:param span: OpenTracing Span
"""
if span is None:
return common.random_tracing()
# noinspection PyBroadException
try:
carrier = {}
span.tracer.inject(span, ZIPKIN_SPAN_FORMAT, carrier)
tracing = Tracing(span_id=carrier['span_id'],
trace_id=carrier['trace_id'],
parent_id=carrier['parent_id'] or int(0),
traceflags=carrier['traceflags'])
return tracing
except opentracing.UnsupportedFormatException:
pass # tracer might not support Zipkin format
except:
log.exception('Failed to inject tracing span into headers')
return common.random_tracing()
def __init__(
self,
id=None,
flags=FlagsType.none,
ttl=DEFAULT_TIMEOUT,
tracing=None,
service=None,
headers=None, # transport headers
checksum=None,
argstreams=None,
serializer=None,
endpoint=None,
):
self.flags = flags
self.ttl = ttl
self.service = service
self.tracing = tracing or common.random_tracing()
# argstreams is a list of InMemStream/PipeStream objects
self.argstreams = argstreams or [
InMemStream(), InMemStream(),
InMemStream()
]
self.checksum = checksum or (ChecksumType.crc32c, 0)
self.id = id
self.headers = headers or {}
self.state = StreamState.init
self.serializer = serializer or RawSerializer()
self.is_streaming_request = self._is_streaming_request()
if not self.is_streaming_request:
self._copy_argstreams = [
self.argstreams[0].clone(),
self.argstreams[1].clone(),
self.argstreams[2].clone(),
]
self.endpoint = endpoint or ""
