diff options
Diffstat (limited to 'synapse/federation/sender/__init__.py')
-rw-r--r-- | synapse/federation/sender/__init__.py | 137 |
1 files changed, 80 insertions, 57 deletions
diff --git a/synapse/federation/sender/__init__.py b/synapse/federation/sender/__init__.py index d46f4aaeb1..d473576902 100644 --- a/synapse/federation/sender/__init__.py +++ b/synapse/federation/sender/__init__.py @@ -14,6 +14,7 @@ # limitations under the License. import logging +from typing import Dict, Hashable, Iterable, List, Optional, Set, Tuple from six import itervalues @@ -21,7 +22,9 @@ from prometheus_client import Counter from twisted.internet import defer +import synapse import synapse.metrics +from synapse.events import EventBase from synapse.federation.sender.per_destination_queue import PerDestinationQueue from synapse.federation.sender.transaction_manager import TransactionManager from synapse.federation.units import Edu @@ -38,7 +41,9 @@ from synapse.metrics import ( events_processed_counter, ) from synapse.metrics.background_process_metrics import run_as_background_process -from synapse.util.metrics import measure_func +from synapse.storage.presence import UserPresenceState +from synapse.types import ReadReceipt +from synapse.util.metrics import Measure, measure_func logger = logging.getLogger(__name__) @@ -49,12 +54,12 @@ sent_pdus_destination_dist_count = Counter( sent_pdus_destination_dist_total = Counter( "synapse_federation_client_sent_pdu_destinations:total", - "" "Total number of PDUs queued for sending across all destinations", + "Total number of PDUs queued for sending across all destinations", ) class FederationSender(object): - def __init__(self, hs): + def __init__(self, hs: "synapse.server.HomeServer"): self.hs = hs self.server_name = hs.hostname @@ -67,7 +72,7 @@ class FederationSender(object): self._transaction_manager = TransactionManager(hs) # map from destination to PerDestinationQueue - self._per_destination_queues = {} # type: dict[str, PerDestinationQueue] + self._per_destination_queues = {} # type: Dict[str, PerDestinationQueue] LaterGauge( "synapse_federation_transaction_queue_pending_destinations", @@ -83,7 +88,7 @@ class FederationSender(object): # Map of user_id -> UserPresenceState for all the pending presence # to be sent out by user_id. Entries here get processed and put in # pending_presence_by_dest - self.pending_presence = {} + self.pending_presence = {} # type: Dict[str, UserPresenceState] LaterGauge( "synapse_federation_transaction_queue_pending_pdus", @@ -115,20 +120,17 @@ class FederationSender(object): # and that there is a pending call to _flush_rrs_for_room in the system. self._queues_awaiting_rr_flush_by_room = ( {} - ) # type: dict[str, set[PerDestinationQueue]] + ) # type: Dict[str, Set[PerDestinationQueue]] self._rr_txn_interval_per_room_ms = ( - 1000.0 / hs.get_config().federation_rr_transactions_per_room_per_second + 1000.0 / hs.config.federation_rr_transactions_per_room_per_second ) - def _get_per_destination_queue(self, destination): + def _get_per_destination_queue(self, destination: str) -> PerDestinationQueue: """Get or create a PerDestinationQueue for the given destination Args: - destination (str): server_name of remote server - - Returns: - PerDestinationQueue + destination: server_name of remote server """ queue = self._per_destination_queues.get(destination) if not queue: @@ -136,7 +138,7 @@ class FederationSender(object): self._per_destination_queues[destination] = queue return queue - def notify_new_events(self, current_id): + def notify_new_events(self, current_id: int) -> None: """This gets called when we have some new events we might want to send out to other servers. """ @@ -150,13 +152,12 @@ class FederationSender(object): "process_event_queue_for_federation", self._process_event_queue_loop ) - @defer.inlineCallbacks - def _process_event_queue_loop(self): + async def _process_event_queue_loop(self) -> None: try: self._is_processing = True while True: - last_token = yield self.store.get_federation_out_pos("events") - next_token, events = yield self.store.get_all_new_events_stream( + last_token = await self.store.get_federation_out_pos("events") + next_token, events = await self.store.get_all_new_events_stream( last_token, self._last_poked_id, limit=100 ) @@ -165,8 +166,7 @@ class FederationSender(object): if not events and next_token >= self._last_poked_id: break - @defer.inlineCallbacks - def handle_event(event): + async def handle_event(event: EventBase) -> None: # Only send events for this server. send_on_behalf_of = event.internal_metadata.get_send_on_behalf_of() is_mine = self.is_mine_id(event.sender) @@ -183,8 +183,8 @@ class FederationSender(object): # Otherwise if the last member on a server in a room is # banned then it won't receive the event because it won't # be in the room after the ban. - destinations = yield self.state.get_current_hosts_in_room( - event.room_id, latest_event_ids=event.prev_event_ids() + destinations = await self.state.get_hosts_in_room_at_events( + event.room_id, event_ids=event.prev_event_ids() ) except Exception: logger.exception( @@ -205,16 +205,16 @@ class FederationSender(object): self._send_pdu(event, destinations) - @defer.inlineCallbacks - def handle_room_events(events): - for event in events: - yield handle_event(event) + async def handle_room_events(events: Iterable[EventBase]) -> None: + with Measure(self.clock, "handle_room_events"): + for event in events: + await handle_event(event) - events_by_room = {} + events_by_room = {} # type: Dict[str, List[EventBase]] for event in events: events_by_room.setdefault(event.room_id, []).append(event) - yield make_deferred_yieldable( + await make_deferred_yieldable( defer.gatherResults( [ run_in_background(handle_room_events, evs) @@ -224,11 +224,11 @@ class FederationSender(object): ) ) - yield self.store.update_federation_out_pos("events", next_token) + await self.store.update_federation_out_pos("events", next_token) if events: now = self.clock.time_msec() - ts = yield self.store.get_received_ts(events[-1].event_id) + ts = await self.store.get_received_ts(events[-1].event_id) synapse.metrics.event_processing_lag.labels( "federation_sender" @@ -252,7 +252,7 @@ class FederationSender(object): finally: self._is_processing = False - def _send_pdu(self, pdu, destinations): + def _send_pdu(self, pdu: EventBase, destinations: Iterable[str]) -> None: # We loop through all destinations to see whether we already have # a transaction in progress. If we do, stick it in the pending_pdus # table and we'll get back to it later. @@ -274,11 +274,11 @@ class FederationSender(object): self._get_per_destination_queue(destination).send_pdu(pdu, order) @defer.inlineCallbacks - def send_read_receipt(self, receipt): + def send_read_receipt(self, receipt: ReadReceipt): """Send a RR to any other servers in the room Args: - receipt (synapse.types.ReadReceipt): receipt to be sent + receipt: receipt to be sent """ # Some background on the rate-limiting going on here. @@ -341,7 +341,7 @@ class FederationSender(object): else: queue.flush_read_receipts_for_room(room_id) - def _schedule_rr_flush_for_room(self, room_id, n_domains): + def _schedule_rr_flush_for_room(self, room_id: str, n_domains: int) -> None: # that is going to cause approximately len(domains) transactions, so now back # off for that multiplied by RR_TXN_INTERVAL_PER_ROOM backoff_ms = self._rr_txn_interval_per_room_ms * n_domains @@ -350,7 +350,7 @@ class FederationSender(object): self.clock.call_later(backoff_ms, self._flush_rrs_for_room, room_id) self._queues_awaiting_rr_flush_by_room[room_id] = set() - def _flush_rrs_for_room(self, room_id): + def _flush_rrs_for_room(self, room_id: str) -> None: queues = self._queues_awaiting_rr_flush_by_room.pop(room_id) logger.debug("Flushing RRs in %s to %s", room_id, queues) @@ -366,14 +366,11 @@ class FederationSender(object): @preserve_fn # the caller should not yield on this @defer.inlineCallbacks - def send_presence(self, states): + def send_presence(self, states: List[UserPresenceState]): """Send the new presence states to the appropriate destinations. This actually queues up the presence states ready for sending and triggers a background task to process them and send out the transactions. - - Args: - states (list(UserPresenceState)) """ if not self.hs.config.use_presence: # No-op if presence is disabled. @@ -410,11 +407,10 @@ class FederationSender(object): finally: self._processing_pending_presence = False - def send_presence_to_destinations(self, states, destinations): + def send_presence_to_destinations( + self, states: List[UserPresenceState], destinations: List[str] + ) -> None: """Send the given presence states to the given destinations. - - Args: - states (list[UserPresenceState]) destinations (list[str]) """ @@ -429,12 +425,9 @@ class FederationSender(object): @measure_func("txnqueue._process_presence") @defer.inlineCallbacks - def _process_presence_inner(self, states): + def _process_presence_inner(self, states: List[UserPresenceState]): """Given a list of states populate self.pending_presence_by_dest and poke to send a new transaction to each destination - - Args: - states (list(UserPresenceState)) """ hosts_and_states = yield get_interested_remotes(self.store, states, self.state) @@ -444,14 +437,20 @@ class FederationSender(object): continue self._get_per_destination_queue(destination).send_presence(states) - def build_and_send_edu(self, destination, edu_type, content, key=None): + def build_and_send_edu( + self, + destination: str, + edu_type: str, + content: dict, + key: Optional[Hashable] = None, + ): """Construct an Edu object, and queue it for sending Args: - destination (str): name of server to send to - edu_type (str): type of EDU to send - content (dict): content of EDU - key (Any|None): clobbering key for this edu + destination: name of server to send to + edu_type: type of EDU to send + content: content of EDU + key: clobbering key for this edu """ if destination == self.server_name: logger.info("Not sending EDU to ourselves") @@ -466,12 +465,12 @@ class FederationSender(object): self.send_edu(edu, key) - def send_edu(self, edu, key): + def send_edu(self, edu: Edu, key: Optional[Hashable]): """Queue an EDU for sending Args: - edu (Edu): edu to send - key (Any|None): clobbering key for this edu + edu: edu to send + key: clobbering key for this edu """ queue = self._get_per_destination_queue(edu.destination) if key: @@ -479,12 +478,36 @@ class FederationSender(object): else: queue.send_edu(edu) - def send_device_messages(self, destination): + def send_device_messages(self, destination: str): if destination == self.server_name: - logger.info("Not sending device update to ourselves") + logger.warning("Not sending device update to ourselves") return self._get_per_destination_queue(destination).attempt_new_transaction() - def get_current_token(self): + def wake_destination(self, destination: str): + """Called when we want to retry sending transactions to a remote. + + This is mainly useful if the remote server has been down and we think it + might have come back. + """ + + if destination == self.server_name: + logger.warning("Not waking up ourselves") + return + + self._get_per_destination_queue(destination).attempt_new_transaction() + + @staticmethod + def get_current_token() -> int: + # Dummy implementation for case where federation sender isn't offloaded + # to a worker. return 0 + + @staticmethod + async def get_replication_rows( + instance_name: str, from_token: int, to_token: int, target_row_count: int + ) -> Tuple[List[Tuple[int, Tuple]], int, bool]: + # Dummy implementation for case where federation sender isn't offloaded + # to a worker. + return [], 0, False |