def _check_trace(self) -> bool:
# check that (at least) one Retry packet was actually sent
tr = TraceAnalyzer(self._sim_log_dir.name + "/trace_node_left.pcap")
tokens = []
cap_retry = tr.get_retry(Direction.FROM_SERVER)
for p in cap_retry:
tokens += [ p.quic.retry_token.replace(":", "") ]
cap_retry.close()
if len(tokens) == 0:
logging.info("Didn't find any Retry packets.")
return False
# check that an Initial packet uses a token sent in the Retry packet(s)
cap_initial = tr.get_initial(Direction.FROM_CLIENT)
found = False
for p in cap_initial:
if p.quic.long_packet_type != "0" or p.quic.token_length == "0":
continue
token = p.quic.token.replace(":", "")
if token in tokens:
logging.debug("Check of Retry succeeded. Token used: %s", token)
found = True
break
cap_initial.close()
if not found:
logging.info("Didn't find any Initial packet using a Retry token.")
return found
def _retry_sent(self) -> bool:
tr = TraceAnalyzer(self._sim_log_dir.name + "/trace_node_left.pcap")
cap = tr.get_retry()
sent = True
try:
cap.next()
except StopIteration:
sent = False
cap.close()
return sent
def _retry_sent(self, log_dir: tempfile.TemporaryDirectory) -> bool:
tr = TraceAnalyzer(log_dir.name + "/trace_node_left.pcap")
cap = tr.get_retry()
sent = True
try:
cap.next()
except StopIteration:
sent = False
cap.close()
return sent
def _check_trace(self) -> bool:
# check that (at least) one Retry packet was actually sent
tr = TraceAnalyzer(self._sim_log_dir.name + "/trace_node_left.pcap")
tokens = []
retries = tr.get_retry(Direction.FROM_SERVER)
for p in retries:
tokens += [p.retry_token.replace(":", "")]
if len(tokens) == 0:
logging.info("Didn't find any Retry packets.")
return False
# check that an Initial packet uses a token sent in the Retry packet(s)
initials = tr.get_initial(Direction.FROM_CLIENT)
for p in initials:
if p.token_length == "0":
continue
token = p.token.replace(":", "")
if token in tokens:
logging.debug("Check of Retry succeeded. Token used: %s",
token)
return True
logging.info("Didn't find any Initial packet using a Retry token.")
return False
