diff options
Diffstat (limited to 'synapse/storage/event_federation.py')
| -rw-r--r-- | synapse/storage/event_federation.py | 264 |
1 files changed, 135 insertions, 129 deletions
diff --git a/synapse/storage/event_federation.py b/synapse/storage/event_federation.py index 55a05c59d5..00ee82d300 100644 --- a/synapse/storage/event_federation.py +++ b/synapse/storage/event_federation.py @@ -15,7 +15,10 @@ from twisted.internet import defer -from ._base import SQLBaseStore +from synapse.storage._base import SQLBaseStore +from synapse.storage.events import EventsWorkerStore +from synapse.storage.signatures import SignatureWorkerStore + from synapse.api.errors import StoreError from synapse.util.caches.descriptors import cached from unpaddedbase64 import encode_base64 @@ -27,30 +30,8 @@ from Queue import PriorityQueue, Empty logger = logging.getLogger(__name__) -class EventFederationStore(SQLBaseStore): - """ Responsible for storing and serving up the various graphs associated - with an event. Including the main event graph and the auth chains for an - event. - - Also has methods for getting the front (latest) and back (oldest) edges - of the event graphs. These are used to generate the parents for new events - and backfilling from another server respectively. - """ - - EVENT_AUTH_STATE_ONLY = "event_auth_state_only" - - def __init__(self, db_conn, hs): - super(EventFederationStore, self).__init__(db_conn, hs) - - self.register_background_update_handler( - self.EVENT_AUTH_STATE_ONLY, - self._background_delete_non_state_event_auth, - ) - - hs.get_clock().looping_call( - self._delete_old_forward_extrem_cache, 60 * 60 * 1000 - ) - +class EventFederationWorkerStore(EventsWorkerStore, SignatureWorkerStore, + SQLBaseStore): def get_auth_chain(self, event_ids, include_given=False): """Get auth events for given event_ids. The events *must* be state events. @@ -228,88 +209,6 @@ class EventFederationStore(SQLBaseStore): return int(min_depth) if min_depth is not None else None - def _update_min_depth_for_room_txn(self, txn, room_id, depth): - min_depth = self._get_min_depth_interaction(txn, room_id) - - if min_depth and depth >= min_depth: - return - - self._simple_upsert_txn( - txn, - table="room_depth", - keyvalues={ - "room_id": room_id, - }, - values={ - "min_depth": depth, - }, - ) - - def _handle_mult_prev_events(self, txn, events): - """ - For the given event, update the event edges table and forward and - backward extremities tables. - """ - self._simple_insert_many_txn( - txn, - table="event_edges", - values=[ - { - "event_id": ev.event_id, - "prev_event_id": e_id, - "room_id": ev.room_id, - "is_state": False, - } - for ev in events - for e_id, _ in ev.prev_events - ], - ) - - self._update_backward_extremeties(txn, events) - - def _update_backward_extremeties(self, txn, events): - """Updates the event_backward_extremities tables based on the new/updated - events being persisted. - - This is called for new events *and* for events that were outliers, but - are now being persisted as non-outliers. - - Forward extremities are handled when we first start persisting the events. - """ - events_by_room = {} - for ev in events: - events_by_room.setdefault(ev.room_id, []).append(ev) - - query = ( - "INSERT INTO event_backward_extremities (event_id, room_id)" - " SELECT ?, ? WHERE NOT EXISTS (" - " SELECT 1 FROM event_backward_extremities" - " WHERE event_id = ? AND room_id = ?" - " )" - " AND NOT EXISTS (" - " SELECT 1 FROM events WHERE event_id = ? AND room_id = ? " - " AND outlier = ?" - " )" - ) - - txn.executemany(query, [ - (e_id, ev.room_id, e_id, ev.room_id, e_id, ev.room_id, False) - for ev in events for e_id, _ in ev.prev_events - if not ev.internal_metadata.is_outlier() - ]) - - query = ( - "DELETE FROM event_backward_extremities" - " WHERE event_id = ? AND room_id = ?" - ) - txn.executemany( - query, - [ - (ev.event_id, ev.room_id) for ev in events - if not ev.internal_metadata.is_outlier() - ] - ) - def get_forward_extremeties_for_room(self, room_id, stream_ordering): """For a given room_id and stream_ordering, return the forward extremeties of the room at that point in "time". @@ -371,28 +270,6 @@ class EventFederationStore(SQLBaseStore): get_forward_extremeties_for_room_txn ) - def _delete_old_forward_extrem_cache(self): - def _delete_old_forward_extrem_cache_txn(txn): - # Delete entries older than a month, while making sure we don't delete - # the only entries for a room. - sql = (""" - DELETE FROM stream_ordering_to_exterm - WHERE - room_id IN ( - SELECT room_id - FROM stream_ordering_to_exterm - WHERE stream_ordering > ? - ) AND stream_ordering < ? - """) - txn.execute( - sql, - (self.stream_ordering_month_ago, self.stream_ordering_month_ago,) - ) - return self.runInteraction( - "_delete_old_forward_extrem_cache", - _delete_old_forward_extrem_cache_txn - ) - def get_backfill_events(self, room_id, event_list, limit): """Get a list of Events for a given topic that occurred before (and including) the events in event_list. Return a list of max size `limit` @@ -522,6 +399,135 @@ class EventFederationStore(SQLBaseStore): return event_results + +class EventFederationStore(EventFederationWorkerStore): + """ Responsible for storing and serving up the various graphs associated + with an event. Including the main event graph and the auth chains for an + event. + + Also has methods for getting the front (latest) and back (oldest) edges + of the event graphs. These are used to generate the parents for new events + and backfilling from another server respectively. + """ + + EVENT_AUTH_STATE_ONLY = "event_auth_state_only" + + def __init__(self, db_conn, hs): + super(EventFederationStore, self).__init__(db_conn, hs) + + self.register_background_update_handler( + self.EVENT_AUTH_STATE_ONLY, + self._background_delete_non_state_event_auth, + ) + + hs.get_clock().looping_call( + self._delete_old_forward_extrem_cache, 60 * 60 * 1000 + ) + + def _update_min_depth_for_room_txn(self, txn, room_id, depth): + min_depth = self._get_min_depth_interaction(txn, room_id) + + if min_depth and depth >= min_depth: + return + + self._simple_upsert_txn( + txn, + table="room_depth", + keyvalues={ + "room_id": room_id, + }, + values={ + "min_depth": depth, + }, + ) + + def _handle_mult_prev_events(self, txn, events): + """ + For the given event, update the event edges table and forward and + backward extremities tables. + """ + self._simple_insert_many_txn( + txn, + table="event_edges", + values=[ + { + "event_id": ev.event_id, + "prev_event_id": e_id, + "room_id": ev.room_id, + "is_state": False, + } + for ev in events + for e_id, _ in ev.prev_events + ], + ) + + self._update_backward_extremeties(txn, events) + + def _update_backward_extremeties(self, txn, events): + """Updates the event_backward_extremities tables based on the new/updated + events being persisted. + + This is called for new events *and* for events that were outliers, but + are now being persisted as non-outliers. + + Forward extremities are handled when we first start persisting the events. + """ + events_by_room = {} + for ev in events: + events_by_room.setdefault(ev.room_id, []).append(ev) + + query = ( + "INSERT INTO event_backward_extremities (event_id, room_id)" + " SELECT ?, ? WHERE NOT EXISTS (" + " SELECT 1 FROM event_backward_extremities" + " WHERE event_id = ? AND room_id = ?" + " )" + " AND NOT EXISTS (" + " SELECT 1 FROM events WHERE event_id = ? AND room_id = ? " + " AND outlier = ?" + " )" + ) + + txn.executemany(query, [ + (e_id, ev.room_id, e_id, ev.room_id, e_id, ev.room_id, False) + for ev in events for e_id, _ in ev.prev_events + if not ev.internal_metadata.is_outlier() + ]) + + query = ( + "DELETE FROM event_backward_extremities" + " WHERE event_id = ? AND room_id = ?" + ) + txn.executemany( + query, + [ + (ev.event_id, ev.room_id) for ev in events + if not ev.internal_metadata.is_outlier() + ] + ) + + def _delete_old_forward_extrem_cache(self): + def _delete_old_forward_extrem_cache_txn(txn): + # Delete entries older than a month, while making sure we don't delete + # the only entries for a room. + sql = (""" + DELETE FROM stream_ordering_to_exterm + WHERE + room_id IN ( + SELECT room_id + FROM stream_ordering_to_exterm + WHERE stream_ordering > ? + ) AND stream_ordering < ? + """) + txn.execute( + sql, + (self.stream_ordering_month_ago, self.stream_ordering_month_ago,) + ) + return self.runInteraction( + "_delete_old_forward_extrem_cache", + _delete_old_forward_extrem_cache_txn + ) + def clean_room_for_join(self, room_id): return self.runInteraction( "clean_room_for_join", |