def __remove_subscriber(self, subs: SubscriberConnection):
self._subscribers.remove(subs)
if subs.info:
logging.info('Bye registered user: {0}, connections: {1}'.format(
subs.info.email, len(self._subscribers)))
else:
logging.info(
'Closed connection address: {0}, connections: {1}'.format(
subs.address(), len(self._subscribers)))
def refresh(self):
while not self._stop_listen:
rsockets = []
rsockets.append(self._subscribers_server_socket)
for client in self._subscribers:
rsockets.append(client.socket())
for server in self._servers_pool:
if server.is_connected():
rsockets.append(server.socket())
readable, writeable, _ = gsocket.Select(rsockets, [], [], 1)
for read in readable:
# income subscriber connection
if self._subscribers_server_socket == read:
csock, addr = read.accept()
subs = SubscriberConnection(csock, addr, self)
self.__add_maybe_subscriber(subs)
continue
# subscriber read
for client in self._subscribers:
if client.socket() == read:
res = client.recv_data()
if not res:
self.__close_subscriber(client)
break
for server in self._servers_pool:
if server.socket() == read:
server.recv_data()
break
ts_sec = make_utc_timestamp() / 1000
copy_subsc = list(self._subscribers)
for client in copy_subsc:
if ts_sec - client.last_ping_ts > SubscribersServiceManager.PING_SUBSCRIBERS_SEC:
if client.is_active():
result = client.ping(client.gen_request_id())
if result:
client.last_ping_ts = ts_sec
else:
self.__close_subscriber(client)
def __add_maybe_subscriber(self, subs: SubscriberConnection):
self._subscribers.append(subs)
logging.info('New connection address: {0}, connections: {1}'.format(
subs.address(), len(self._subscribers)))
def __close_subscriber(self, subs: SubscriberConnection):
self.__remove_subscriber(subs)
subs.disconnect()