diff options
Diffstat (limited to 'synapse/handlers/sync.py')
| -rw-r--r-- | synapse/handlers/sync.py | 132 |
1 files changed, 26 insertions, 106 deletions
diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py index 6389c51b1c..e2563428d2 100644 --- a/synapse/handlers/sync.py +++ b/synapse/handlers/sync.py @@ -844,7 +844,6 @@ class SyncHandler: sync_config.user.to_string(), recents, always_include_ids=current_state_ids, - msc4115_membership_on_events=self.hs_config.experimental.msc4115_membership_on_events, ) log_kv({"recents_after_visibility_filtering": len(recents)}) else: @@ -930,7 +929,6 @@ class SyncHandler: sync_config.user.to_string(), loaded_recents, always_include_ids=current_state_ids, - msc4115_membership_on_events=self.hs_config.experimental.msc4115_membership_on_events, ) loaded_recents = [] @@ -981,89 +979,6 @@ class SyncHandler: bundled_aggregations=bundled_aggregations, ) - async def get_state_after_event( - self, - event_id: str, - state_filter: Optional[StateFilter] = None, - await_full_state: bool = True, - ) -> StateMap[str]: - """ - Get the room state after the given event - - Args: - event_id: event of interest - state_filter: The state filter used to fetch state from the database. - await_full_state: if `True`, will block if we do not yet have complete state - at the event and `state_filter` is not satisfied by partial state. - Defaults to `True`. - """ - state_ids = await self._state_storage_controller.get_state_ids_for_event( - event_id, - state_filter=state_filter or StateFilter.all(), - await_full_state=await_full_state, - ) - - # using get_metadata_for_events here (instead of get_event) sidesteps an issue - # with redactions: if `event_id` is a redaction event, and we don't have the - # original (possibly because it got purged), get_event will refuse to return - # the redaction event, which isn't terribly helpful here. - # - # (To be fair, in that case we could assume it's *not* a state event, and - # therefore we don't need to worry about it. But still, it seems cleaner just - # to pull the metadata.) - m = (await self.store.get_metadata_for_events([event_id]))[event_id] - if m.state_key is not None and m.rejection_reason is None: - state_ids = dict(state_ids) - state_ids[(m.event_type, m.state_key)] = event_id - - return state_ids - - async def get_state_at( - self, - room_id: str, - stream_position: StreamToken, - state_filter: Optional[StateFilter] = None, - await_full_state: bool = True, - ) -> StateMap[str]: - """Get the room state at a particular stream position - - Args: - room_id: room for which to get state - stream_position: point at which to get state - state_filter: The state filter used to fetch state from the database. - await_full_state: if `True`, will block if we do not yet have complete state - at the last event in the room before `stream_position` and - `state_filter` is not satisfied by partial state. Defaults to `True`. - """ - # FIXME: This gets the state at the latest event before the stream ordering, - # which might not be the same as the "current state" of the room at the time - # of the stream token if there were multiple forward extremities at the time. - last_event_id = await self.store.get_last_event_in_room_before_stream_ordering( - room_id, - end_token=stream_position.room_key, - ) - - if last_event_id: - state = await self.get_state_after_event( - last_event_id, - state_filter=state_filter or StateFilter.all(), - await_full_state=await_full_state, - ) - - else: - # no events in this room - so presumably no state - state = {} - - # (erikj) This should be rarely hit, but we've had some reports that - # we get more state down gappy syncs than we should, so let's add - # some logging. - logger.info( - "Failed to find any events in room %s at %s", - room_id, - stream_position.room_key, - ) - return state - async def compute_summary( self, room_id: str, @@ -1437,7 +1352,7 @@ class SyncHandler: await_full_state = True lazy_load_members = False - state_at_timeline_end = await self.get_state_at( + state_at_timeline_end = await self._state_storage_controller.get_state_at( room_id, stream_position=end_token, state_filter=state_filter, @@ -1521,7 +1436,7 @@ class SyncHandler: # We need to make sure the first event in our batch points to the # last event in the previous batch. last_event_id_prev_batch = ( - await self.store.get_last_event_in_room_before_stream_ordering( + await self.store.get_last_event_id_in_room_before_stream_ordering( room_id, end_token=since_token.room_key, ) @@ -1565,7 +1480,7 @@ class SyncHandler: else: # We can get here if the user has ignored the senders of all # the recent events. - state_at_timeline_start = await self.get_state_at( + state_at_timeline_start = await self._state_storage_controller.get_state_at( room_id, stream_position=end_token, state_filter=state_filter, @@ -1587,14 +1502,14 @@ class SyncHandler: # about them). state_filter = StateFilter.all() - state_at_previous_sync = await self.get_state_at( + state_at_previous_sync = await self._state_storage_controller.get_state_at( room_id, stream_position=since_token, state_filter=state_filter, await_full_state=await_full_state, ) - state_at_timeline_end = await self.get_state_at( + state_at_timeline_end = await self._state_storage_controller.get_state_at( room_id, stream_position=end_token, state_filter=state_filter, @@ -2002,7 +1917,7 @@ class SyncHandler: """ user_id = sync_config.user.to_string() - # Note: we get the users room list *before* we get the current token, this + # Note: we get the users room list *before* we get the `now_token`, this # avoids checking back in history if rooms are joined after the token is fetched. token_before_rooms = self.event_sources.get_current_token() mutable_joined_room_ids = set(await self.store.get_rooms_for_user(user_id)) @@ -2014,10 +1929,10 @@ class SyncHandler: now_token = self.event_sources.get_current_token() log_kv({"now_token": now_token}) - # Since we fetched the users room list before the token, there's a small window - # during which membership events may have been persisted, so we fetch these now - # and modify the joined room list for any changes between the get_rooms_for_user - # call and the get_current_token call. + # Since we fetched the users room list before calculating the `now_token` (see + # above), there's a small window during which membership events may have been + # persisted, so we fetch these now and modify the joined room list for any + # changes between the get_rooms_for_user call and the get_current_token call. membership_change_events = [] if since_token: membership_change_events = await self.store.get_membership_changes_for_user( @@ -2027,16 +1942,19 @@ class SyncHandler: self.rooms_to_exclude_globally, ) - mem_last_change_by_room_id: Dict[str, EventBase] = {} + last_membership_change_by_room_id: Dict[str, EventBase] = {} for event in membership_change_events: - mem_last_change_by_room_id[event.room_id] = event + last_membership_change_by_room_id[event.room_id] = event # For the latest membership event in each room found, add/remove the room ID # from the joined room list accordingly. In this case we only care if the # latest change is JOIN. - for room_id, event in mem_last_change_by_room_id.items(): + for room_id, event in last_membership_change_by_room_id.items(): assert event.internal_metadata.stream_ordering + # As a shortcut, skip any events that happened before we got our + # `get_rooms_for_user()` snapshot (any changes are already represented + # in that list). if ( event.internal_metadata.stream_ordering < token_before_rooms.room_key.stream @@ -2590,7 +2508,7 @@ class SyncHandler: continue if room_id in sync_result_builder.joined_room_ids or has_join: - old_state_ids = await self.get_state_at( + old_state_ids = await self._state_storage_controller.get_state_at( room_id, since_token, state_filter=StateFilter.from_types([(EventTypes.Member, user_id)]), @@ -2620,12 +2538,14 @@ class SyncHandler: newly_left_rooms.append(room_id) else: if not old_state_ids: - old_state_ids = await self.get_state_at( - room_id, - since_token, - state_filter=StateFilter.from_types( - [(EventTypes.Member, user_id)] - ), + old_state_ids = ( + await self._state_storage_controller.get_state_at( + room_id, + since_token, + state_filter=StateFilter.from_types( + [(EventTypes.Member, user_id)] + ), + ) ) old_mem_ev_id = old_state_ids.get( (EventTypes.Member, user_id), None @@ -2830,7 +2750,7 @@ class SyncHandler: continue leave_token = now_token.copy_and_replace( - StreamKeyType.ROOM, RoomStreamToken(stream=event.stream_ordering) + StreamKeyType.ROOM, RoomStreamToken(stream=event.event_pos.stream) ) room_entries.append( RoomSyncResultBuilder( |