diff options
Diffstat (limited to 'synapse/handlers/presence.py')
| -rw-r--r-- | synapse/handlers/presence.py | 50 |
1 files changed, 31 insertions, 19 deletions
diff --git a/synapse/handlers/presence.py b/synapse/handlers/presence.py index f5a049d754..44ed7a0712 100644 --- a/synapse/handlers/presence.py +++ b/synapse/handlers/presence.py @@ -299,14 +299,14 @@ class BasePresenceHandler(abc.ABC): if not states: return - hosts_and_states = await get_interested_remotes( + hosts_to_states = await get_interested_remotes( self.store, self.presence_router, states, ) - for destinations, states in hosts_and_states: - self._federation.send_presence_to_destinations(states, destinations) + for destination, host_states in hosts_to_states.items(): + self._federation.send_presence_to_destinations(host_states, [destination]) async def send_full_presence_to_users(self, user_ids: Collection[str]): """ @@ -495,9 +495,6 @@ class WorkerPresenceHandler(BasePresenceHandler): users=users_to_states.keys(), ) - # If this is a federation sender, notify about presence updates. - await self.maybe_send_presence_to_interested_destinations(states) - async def process_replication_rows( self, stream_name: str, instance_name: str, token: int, rows: list ): @@ -519,11 +516,27 @@ class WorkerPresenceHandler(BasePresenceHandler): for row in rows ] - for state in states: - self.user_to_current_state[state.user_id] = state + # The list of states to notify sync streams and remote servers about. + # This is calculated by comparing the old and new states for each user + # using `should_notify(..)`. + # + # Note that this is necessary as the presence writer will periodically + # flush presence state changes that should not be notified about to the + # DB, and so will be sent over the replication stream. + state_to_notify = [] + + for new_state in states: + old_state = self.user_to_current_state.get(new_state.user_id) + self.user_to_current_state[new_state.user_id] = new_state + + if not old_state or should_notify(old_state, new_state): + state_to_notify.append(new_state) stream_id = token - await self.notify_from_replication(states, stream_id) + await self.notify_from_replication(state_to_notify, stream_id) + + # If this is a federation sender, notify about presence updates. + await self.maybe_send_presence_to_interested_destinations(state_to_notify) def get_currently_syncing_users_for_replication(self) -> Iterable[str]: return [ @@ -829,15 +842,15 @@ class PresenceHandler(BasePresenceHandler): if to_federation_ping: federation_presence_out_counter.inc(len(to_federation_ping)) - hosts_and_states = await get_interested_remotes( + hosts_to_states = await get_interested_remotes( self.store, self.presence_router, list(to_federation_ping.values()), ) - for destinations, states in hosts_and_states: + for destination, states in hosts_to_states.items(): self._federation_queue.send_presence_to_destinations( - states, destinations + states, [destination] ) async def _handle_timeouts(self) -> None: @@ -1962,7 +1975,7 @@ async def get_interested_remotes( store: DataStore, presence_router: PresenceRouter, states: List[UserPresenceState], -) -> List[Tuple[Collection[str], List[UserPresenceState]]]: +) -> Dict[str, Set[UserPresenceState]]: """Given a list of presence states figure out which remote servers should be sent which. @@ -1974,11 +1987,9 @@ async def get_interested_remotes( states: A list of incoming user presence updates. Returns: - A list of 2-tuples of destinations and states, where for - each tuple the list of UserPresenceState should be sent to each - destination + A map from destinations to presence states to send to that destination. """ - hosts_and_states = [] # type: List[Tuple[Collection[str], List[UserPresenceState]]] + hosts_and_states: Dict[str, Set[UserPresenceState]] = {} # First we look up the rooms each user is in (as well as any explicit # subscriptions), then for each distinct room we look up the remote @@ -1990,11 +2001,12 @@ async def get_interested_remotes( for room_id, states in room_ids_to_states.items(): user_ids = await store.get_users_in_room(room_id) hosts = {get_domain_from_id(user_id) for user_id in user_ids} - hosts_and_states.append((hosts, states)) + for host in hosts: + hosts_and_states.setdefault(host, set()).update(states) for user_id, states in users_to_states.items(): host = get_domain_from_id(user_id) - hosts_and_states.append(([host], states)) + hosts_and_states.setdefault(host, set()).update(states) return hosts_and_states |