(self, topology_settings: TopologySettings)
| 105 | """Monitor a topology of one or more servers.""" |
| 106 | |
| 107 | def __init__(self, topology_settings: TopologySettings): |
| 108 | self._topology_id = topology_settings._topology_id |
| 109 | self._listeners = topology_settings._pool_options._event_listeners |
| 110 | self._publish_server = self._listeners is not None and self._listeners.enabled_for_server |
| 111 | self._publish_tp = self._listeners is not None and self._listeners.enabled_for_topology |
| 112 | |
| 113 | # Create events queue if there are publishers. |
| 114 | self._events: queue.Queue[Any] | None = None |
| 115 | self.__events_executor: Any = None |
| 116 | |
| 117 | if self._publish_server or self._publish_tp: |
| 118 | self._events = queue.Queue(maxsize=100) |
| 119 | |
| 120 | if _SDAM_LOGGER.isEnabledFor(logging.DEBUG): |
| 121 | _debug_log( |
| 122 | _SDAM_LOGGER, |
| 123 | message=_SDAMStatusMessage.START_TOPOLOGY, |
| 124 | topologyId=self._topology_id, |
| 125 | ) |
| 126 | |
| 127 | if self._publish_tp: |
| 128 | assert self._events is not None |
| 129 | assert self._listeners is not None |
| 130 | self._events.put((self._listeners.publish_topology_opened, (self._topology_id,))) |
| 131 | self._settings = topology_settings |
| 132 | topology_description = TopologyDescription( |
| 133 | topology_settings.get_topology_type(), |
| 134 | topology_settings.get_server_descriptions(), |
| 135 | topology_settings.replica_set_name, |
| 136 | None, |
| 137 | None, |
| 138 | topology_settings, |
| 139 | ) |
| 140 | |
| 141 | self._description = topology_description |
| 142 | initial_td = TopologyDescription( |
| 143 | TOPOLOGY_TYPE.Unknown, {}, None, None, None, self._settings |
| 144 | ) |
| 145 | if self._publish_tp: |
| 146 | assert self._events is not None |
| 147 | assert self._listeners is not None |
| 148 | self._events.put( |
| 149 | ( |
| 150 | self._listeners.publish_topology_description_changed, |
| 151 | (initial_td, self._description, self._topology_id), |
| 152 | ) |
| 153 | ) |
| 154 | if _SDAM_LOGGER.isEnabledFor(logging.DEBUG): |
| 155 | _debug_log( |
| 156 | _SDAM_LOGGER, |
| 157 | message=_SDAMStatusMessage.TOPOLOGY_CHANGE, |
| 158 | topologyId=self._topology_id, |
| 159 | previousDescription=repr(initial_td), |
| 160 | newDescription=repr(self._description), |
| 161 | ) |
| 162 | |
| 163 | for seed in topology_settings.seeds: |
| 164 | if self._publish_server: |
nothing calls this directly
no test coverage detected