def __init__(self, topology_settings):
self._topology_id = topology_settings._topology_id
self._listeners = topology_settings._pool_options.event_listeners
pub = self._listeners is not None
self._publish_server = pub and self._listeners.enabled_for_server
self._publish_tp = pub and self._listeners.enabled_for_topology
# Create events queue if there are publishers.
self._events = None
self._events_thread = None
if self._publish_server or self._publish_tp:
self._events = Queue.Queue(maxsize=100)
if self._publish_tp:
self._events.put((self._listeners.publish_topology_opened,
(self._topology_id, )))
self._settings = topology_settings
topology_description = TopologyDescription(
topology_settings.get_topology_type(),
topology_settings.get_server_descriptions(),
topology_settings.replica_set_name, None, None)
self._description = topology_description
if self._publish_tp:
self._events.put(
(self._listeners.publish_topology_description_changed,
(TopologyDescription(TOPOLOGY_TYPE.Unknown, {}, None, None,
None), self._description,
self._topology_id)))
for seed in topology_settings.seeds:
if self._publish_server:
self._events.put((self._listeners.publish_server_opened,
(seed, self._topology_id)))
# Store the seed list to help diagnose errors in _error_message().
self._seed_addresses = list(topology_description.server_descriptions())
self._opened = False
self._lock = threading.Lock()
self._condition = self._settings.condition_class(self._lock)
self._servers = {}
self._pid = None
if self._publish_server or self._publish_tp:
def target():
return process_events_queue(weak)
executor = periodic_executor.PeriodicExecutor(
interval=common.EVENTS_QUEUE_FREQUENCY,
min_interval=0.5,
target=target,
name="pymongo_events_thread")
# We strongly reference the executor and it weakly references
# the queue via this closure. When the topology is freed, stop
# the executor soon.
weak = weakref.ref(self._events)
self.__events_executor = executor
executor.open()
def __init__(self, topology_settings):
self._settings = topology_settings
topology_description = TopologyDescription(
topology_settings.get_topology_type(),
topology_settings.get_server_descriptions(),
topology_settings.replica_set_name, None)
self._description = topology_description
# Store the seed list to help diagnose errors in _error_message().
self._seed_addresses = list(topology_description.server_descriptions())
self._opened = False
self._lock = threading.Lock()
self._condition = self._settings.condition_class(self._lock)
self._servers = {}
def __init__(self, topology_settings):
self._settings = topology_settings
topology_description = TopologyDescription(
topology_settings.get_topology_type(),
topology_settings.get_server_descriptions(),
topology_settings.replica_set_name)
self._description = topology_description
# Store the seed list to help diagnose errors in _error_message().
self._seed_addresses = list(topology_description.server_descriptions())
self._opened = False
self._lock = threading.Lock()
self._condition = self._settings.condition_class(self._lock)
self._servers = {}
def __init__(self, topology_settings):
self._topology_id = topology_settings._topology_id
self._listeners = topology_settings._pool_options.event_listeners
pub = self._listeners is not None
self._publish_server = pub and self._listeners.enabled_for_server
self._publish_tp = pub and self._listeners.enabled_for_topology
# Create events queue if there are publishers.
self._events = None
self._events_thread = None
if self._publish_server or self._publish_tp:
self._events = Queue.Queue(maxsize=100)
if self._publish_tp:
self._events.put((self._listeners.publish_topology_opened,
(self._topology_id,)))
self._settings = topology_settings
topology_description = TopologyDescription(
topology_settings.get_topology_type(),
topology_settings.get_server_descriptions(),
topology_settings.replica_set_name,
None,
None,
topology_settings)
self._description = topology_description
if self._publish_tp:
initial_td = TopologyDescription(TOPOLOGY_TYPE.Unknown, {}, None,
None, None, self._settings)
self._events.put((
self._listeners.publish_topology_description_changed,
(initial_td, self._description, self._topology_id)))
for seed in topology_settings.seeds:
if self._publish_server:
self._events.put((self._listeners.publish_server_opened,
(seed, self._topology_id)))
# Store the seed list to help diagnose errors in _error_message().
self._seed_addresses = list(topology_description.server_descriptions())
self._opened = False
self._lock = threading.Lock()
self._condition = self._settings.condition_class(self._lock)
self._servers = {}
self._pid = None
self._max_cluster_time = None
self._session_pool = _ServerSessionPool()
if self._publish_server or self._publish_tp:
def target():
return process_events_queue(weak)
executor = periodic_executor.PeriodicExecutor(
interval=common.EVENTS_QUEUE_FREQUENCY,
min_interval=0.5,
target=target,
name="pymongo_events_thread")
# We strongly reference the executor and it weakly references
# the queue via this closure. When the topology is freed, stop
# the executor soon.
weak = weakref.ref(self._events)
self.__events_executor = executor
executor.open()
