diff options
Diffstat (limited to 'synapse/storage/purge_events.py')
| -rw-r--r-- | synapse/storage/purge_events.py | 38 |
1 files changed, 18 insertions, 20 deletions
diff --git a/synapse/storage/purge_events.py b/synapse/storage/purge_events.py index fdc0abf5cf..79d9f06e2e 100644 --- a/synapse/storage/purge_events.py +++ b/synapse/storage/purge_events.py @@ -15,8 +15,7 @@ import itertools import logging - -from twisted.internet import defer +from typing import Set logger = logging.getLogger(__name__) @@ -28,49 +27,48 @@ class PurgeEventsStorage(object): def __init__(self, hs, stores): self.stores = stores - @defer.inlineCallbacks - def purge_room(self, room_id: str): + async def purge_room(self, room_id: str): """Deletes all record of a room """ - state_groups_to_delete = yield self.stores.main.purge_room(room_id) - yield self.stores.state.purge_room_state(room_id, state_groups_to_delete) + state_groups_to_delete = await self.stores.main.purge_room(room_id) + await self.stores.state.purge_room_state(room_id, state_groups_to_delete) - @defer.inlineCallbacks - def purge_history(self, room_id, token, delete_local_events): + async def purge_history( + self, room_id: str, token: str, delete_local_events: bool + ) -> None: """Deletes room history before a certain point Args: - room_id (str): + room_id: The room ID - token (str): A topological token to delete events before + token: A topological token to delete events before - delete_local_events (bool): + delete_local_events: if True, we will delete local events as well as remote ones (instead of just marking them as outliers and deleting their state groups). """ - state_groups = yield self.stores.main.purge_history( + state_groups = await self.stores.main.purge_history( room_id, token, delete_local_events ) logger.info("[purge] finding state groups that can be deleted") - sg_to_delete = yield self._find_unreferenced_groups(state_groups) + sg_to_delete = await self._find_unreferenced_groups(state_groups) - yield self.stores.state.purge_unreferenced_state_groups(room_id, sg_to_delete) + await self.stores.state.purge_unreferenced_state_groups(room_id, sg_to_delete) - @defer.inlineCallbacks - def _find_unreferenced_groups(self, state_groups): + async def _find_unreferenced_groups(self, state_groups: Set[int]) -> Set[int]: """Used when purging history to figure out which state groups can be deleted. Args: - state_groups (set[int]): Set of state groups referenced by events + state_groups: Set of state groups referenced by events that are going to be deleted. Returns: - Deferred[set[int]] The set of state groups that can be deleted. + The set of state groups that can be deleted. """ # Graph of state group -> previous group graph = {} @@ -93,7 +91,7 @@ class PurgeEventsStorage(object): current_search = set(itertools.islice(next_to_search, 100)) next_to_search -= current_search - referenced = yield self.stores.main.get_referenced_state_groups( + referenced = await self.stores.main.get_referenced_state_groups( current_search ) referenced_groups |= referenced @@ -102,7 +100,7 @@ class PurgeEventsStorage(object): # groups that are referenced. current_search -= referenced - edges = yield self.stores.state.get_previous_state_groups(current_search) + edges = await self.stores.state.get_previous_state_groups(current_search) prevs = set(edges.values()) # We don't bother re-handling groups we've already seen |