diff --git a/changelog.d/8288.misc b/changelog.d/8288.misc new file mode 100644 index 000000000000..c08a53a5ee27 --- /dev/null +++ b/changelog.d/8288.misc @@ -0,0 +1 @@ +Refactor notifier code to correctly use the max event stream position. diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index be9b0701a062..c195eba83001 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -128,7 +128,6 @@ def __init__(self, hs): self.keyring = hs.get_keyring() self.action_generator = hs.get_action_generator() self.is_mine_id = hs.is_mine_id - self.pusher_pool = hs.get_pusherpool() self.spam_checker = hs.get_spam_checker() self.event_creation_handler = hs.get_event_creation_handler() self._message_handler = hs.get_message_handler() @@ -2939,8 +2938,6 @@ async def _notify_persisted_event( event, event_stream_id, max_stream_id, extra_users=extra_users ) - await self.pusher_pool.on_new_notifications(max_stream_id) - async def _clean_room_for_join(self, room_id: str) -> None: """Called to clean up any data in DB for a given room, ready for the server to join the room. diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index d1556659e3e5..276de8f8d090 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -387,8 +387,6 @@ def __init__(self, hs: "HomeServer"): # This is only used to get at ratelimit function, and maybe_kick_guest_users self.base_handler = BaseHandler(hs) - self.pusher_pool = hs.get_pusherpool() - # We arbitrarily limit concurrent event creation for a room to 5. # This is to stop us from diverging history *too* much. self.limiter = Linearizer(max_count=5, name="room_event_creation_limit") @@ -1145,8 +1143,6 @@ def is_inviter_member_event(e): # If there's an expiry timestamp on the event, schedule its expiry. self._message_handler.maybe_schedule_expiry(event) - await self.pusher_pool.on_new_notifications(max_stream_id) - def _notify(): try: self.notifier.on_new_room_event( diff --git a/synapse/notifier.py b/synapse/notifier.py index 71f2370874b3..16f19c938eef 100644 --- a/synapse/notifier.py +++ b/synapse/notifier.py @@ -25,7 +25,6 @@ Set, Tuple, TypeVar, - Union, ) from prometheus_client import Counter @@ -187,7 +186,7 @@ def __init__(self, hs: "synapse.server.HomeServer"): self.store = hs.get_datastore() self.pending_new_room_events = ( [] - ) # type: List[Tuple[int, EventBase, Collection[Union[str, UserID]]]] + ) # type: List[Tuple[int, EventBase, Collection[UserID]]] # Called when there are new things to stream over replication self.replication_callbacks = [] # type: List[Callable[[], None]] @@ -198,6 +197,7 @@ def __init__(self, hs: "synapse.server.HomeServer"): self.clock = hs.get_clock() self.appservice_handler = hs.get_application_service_handler() + self._pusher_pool = hs.get_pusherpool() self.federation_sender = None if hs.should_send_federation(): @@ -247,7 +247,7 @@ def on_new_room_event( event: EventBase, room_stream_id: int, max_room_stream_id: int, - extra_users: Collection[Union[str, UserID]] = [], + extra_users: Collection[UserID] = [], ): """ Used by handlers to inform the notifier something has happened in the room, room event wise. @@ -274,47 +274,63 @@ def _notify_pending_new_room_events(self, max_room_stream_id: int): """ pending = self.pending_new_room_events self.pending_new_room_events = [] + + users = set() # type: Set[UserID] + rooms = set() # type: Set[str] + for room_stream_id, event, extra_users in pending: if room_stream_id > max_room_stream_id: self.pending_new_room_events.append( (room_stream_id, event, extra_users) ) else: - self._on_new_room_event(event, room_stream_id, extra_users) + if ( + event.type == EventTypes.Member + and event.membership == Membership.JOIN + ): + self._user_joined_room(event.state_key, event.room_id) + + users.update(extra_users) + rooms.add(event.room_id) + + if users or rooms: + self.on_new_event("room_key", max_room_stream_id, users=users, rooms=rooms) + self._on_updated_room_token(max_room_stream_id) + + def _on_updated_room_token(self, max_room_stream_id: int): + """Poke services that might care that the room position has been + updated. + """ - def _on_new_room_event( - self, - event: EventBase, - room_stream_id: int, - extra_users: Collection[Union[str, UserID]] = [], - ): - """Notify any user streams that are interested in this room event""" # poke any interested application service. run_as_background_process( - "notify_app_services", self._notify_app_services, room_stream_id + "_notify_app_services", self._notify_app_services, max_room_stream_id ) - if self.federation_sender: - self.federation_sender.notify_new_events(room_stream_id) - - if event.type == EventTypes.Member and event.membership == Membership.JOIN: - self._user_joined_room(event.state_key, event.room_id) - - self.on_new_event( - "room_key", room_stream_id, users=extra_users, rooms=[event.room_id] + run_as_background_process( + "_notify_pusher_pool", self._notify_pusher_pool, max_room_stream_id ) - async def _notify_app_services(self, room_stream_id: int): + if self.federation_sender: + self.federation_sender.notify_new_events(max_room_stream_id) + + async def _notify_app_services(self, max_room_stream_id: int): try: - await self.appservice_handler.notify_interested_services(room_stream_id) + await self.appservice_handler.notify_interested_services(max_room_stream_id) except Exception: logger.exception("Error notifying application services of event") + async def _notify_pusher_pool(self, max_room_stream_id: int): + try: + await self._pusher_pool.on_new_notifications(max_room_stream_id) + except Exception: + logger.exception("Error pusher pool of event") + def on_new_event( self, stream_key: str, new_token: int, - users: Collection[Union[str, UserID]] = [], + users: Collection[UserID] = [], rooms: Collection[str] = [], ): """ Used to inform listeners that something has happened event wise. diff --git a/synapse/push/pusherpool.py b/synapse/push/pusherpool.py index fa8473bf8d00..cc839ffce43d 100644 --- a/synapse/push/pusherpool.py +++ b/synapse/push/pusherpool.py @@ -184,7 +184,7 @@ async def remove_pushers_by_access_token(self, user_id, access_tokens): ) await self.remove_pusher(p["app_id"], p["pushkey"], p["user_name"]) - async def on_new_notifications(self, max_stream_id): + async def on_new_notifications(self, max_stream_id: int): if not self.pushers: # nothing to do here. return diff --git a/synapse/replication/tcp/client.py b/synapse/replication/tcp/client.py index ccd3147dfdaf..e82b9e386f2a 100644 --- a/synapse/replication/tcp/client.py +++ b/synapse/replication/tcp/client.py @@ -29,6 +29,7 @@ EventsStreamEventRow, EventsStreamRow, ) +from synapse.types import UserID from synapse.util.async_helpers import timeout_deferred from synapse.util.metrics import Measure @@ -98,7 +99,6 @@ class ReplicationDataHandler: def __init__(self, hs: "HomeServer"): self.store = hs.get_datastore() - self.pusher_pool = hs.get_pusherpool() self.notifier = hs.get_notifier() self._reactor = hs.get_reactor() self._clock = hs.get_clock() @@ -148,15 +148,12 @@ async def on_rdata( if event.rejected_reason: continue - extra_users = () # type: Tuple[str, ...] + extra_users = () # type: Tuple[UserID, ...] if event.type == EventTypes.Member: - extra_users = (event.state_key,) + extra_users = (UserID.from_string(event.state_key),) max_token = self.store.get_room_max_stream_ordering() self.notifier.on_new_room_event(event, token, max_token, extra_users) - max_token = self.store.get_room_max_stream_ordering() - await self.pusher_pool.on_new_notifications(max_token) - # Notify any waiting deferreds. The list is ordered by position so we # just iterate through the list until we reach a position that is # greater than the received row position.