def test_ssl(self):
"""Tests SSL server functionality."""
# TODO: TLS version enforcement is necessary to avoid
# vulnerable versions. Currently, this only tests TLS
# connectivity.
this_dir = os.path.dirname(sys.modules[__name__].__file__)
saved_exception = None
try:
ssl_version = ssl.PROTOCOL_TLS
except AttributeError:
# For compatibility with older pythons.
ssl_version = ssl.PROTOCOL_TLSv1
for i in range(3):
try:
# Try a few times as this can fail with EADDRINUSE
port = random.randint(5000, 10000)
server = hub.spawn(self._test_ssl, this_dir, port)
hub.sleep(1)
client = hub.StreamClient(("127.0.0.1", port),
timeout=5,
ssl_version=ssl_version)
if client.connect() is not None:
break
except Exception as e:
saved_exception = e
continue
finally:
try:
hub.kill(server)
except Exception:
pass
else:
self.fail("Failed to connect: " + str(saved_exception))
def set_querier_mode(self, dpid, server_port):
"""set the datapath to work as a querier. note that you can set
up only the one querier. when you called this method several
times, only the last one becomes effective."""
self.dpid = dpid
self.server_port = server_port
if self._querier_thread:
hub.kill(self._querier_thread)
self._querier_thread = None
def stop(self):
# NOTE(jkoelker) Attempt to gracefully stop the accept loop
self.is_active = False
# NOTE(jkoelker) Forceably kill the loop and clear the main_thread
if self.main_thread:
hub.kill(self.main_thread)
self.main_thread = None
# NOTE(jkoelker) Stop all the clients
for c in self._clients.values():
c.stop()
# NOTE(jkoelker) super will only take care of the event and joining now
super(OVSDB, self).stop()
def serve(self):
send_thr = hub.spawn(self._send_loop)
# send hello message immediately
hello = self.ofproto_parser.OFPHello(self)
self.send_msg(hello)
echo_thr = hub.spawn(self._echo_request_loop)
try:
self._recv_loop()
finally:
hub.kill(send_thr)
hub.kill(echo_thr)
hub.joinall([send_thr, echo_thr])
self.is_active = False
def stop_loop(self):
"""stop QUERY thread."""
hub.kill(self._querier_thread)
self._querier_thread = None
self._datapath = None
self.logger.info("stopped a querier.")
def stop(self):
if self.main_thread:
hub.kill(self.main_thread)
self.is_active = False
self._send_event(self._event_stop, None)
hub.joinall(self.threads)
def stop(self):
super().stop()
if self.is_active():
hub.kill(self.thread)
hub.joinall([self.thread])
self.thread = None
def stop(self):
if self.thread is not None:
hub.kill(self.thread)
hub.joinall([self.thread])
self.thread = None