def _try_register(self, connection):
if not self._connection_manager.live:
# There is no point on trying the register a backup listener
# if the client is about to shutdown.
return
if self._listener_added_connection:
return
self._listener_added_connection = connection
request = client_add_cluster_view_listener_codec.encode_request()
invocation = Invocation(request,
connection=connection,
event_handler=self._handler(connection),
urgent=True)
self._cluster_service.clear_member_list_version()
self._invocation_service.invoke(invocation)
def callback(f):
try:
f.result()
except:
self._try_register_to_random_connection(connection)
invocation.future.add_done_callback(callback)
def _try_register(self, connection):
if self._listener_added_connection:
return
self._cluster_service.clear_member_list_version()
self._listener_added_connection = connection
request = client_add_cluster_view_listener_codec.encode_request()
invocation = Invocation(request,
connection=connection,
event_handler=self._handler(connection),
urgent=True)
self._invocation_service.invoke(invocation)
def callback(f):
try:
f.result()
except:
self._try_register_to_random_connection(connection)
invocation.future.add_done_callback(callback)
