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_run_push_actions_and_persist_event: handle no min_depth (#11014)

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Make sure that we correctly handle rooms where we do not yet have a
`min_depth`, and also add some comments and logging.
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Richard van der Hoff 2021-10-18 18:17:15 +02:00 committed by GitHub
parent 7d70582eb0
commit e8f24b6c35
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3 changed files with 20 additions and 11 deletions
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1
changelog.d/11014.misc Normal file
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@ -0,0 +1 @@
Add some extra logging to the event persistence code.

28
synapse/handlers/federation_event.py
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@ -214,7 +214,7 @@ class FederationEventHandler:
if missing_prevs: if missing_prevs:
# We only backfill backwards to the min depth. # We only backfill backwards to the min depth.
min_depth = await self.get_min_depth_for_context(pdu.room_id) min_depth = await self._store.get_min_depth(pdu.room_id)
logger.debug("min_depth: %d", min_depth) logger.debug("min_depth: %d", min_depth)
if min_depth is not None and pdu.depth > min_depth: if min_depth is not None and pdu.depth > min_depth:
@ -1696,16 +1696,27 @@ class FederationEventHandler:
# persist_events_and_notify directly.) # persist_events_and_notify directly.)
assert not event.internal_metadata.outlier assert not event.internal_metadata.outlier
try: if not backfilled and not context.rejected:
if ( min_depth = await self._store.get_min_depth(event.room_id)
not backfilled if min_depth is None or min_depth > event.depth:
and not context.rejected # XXX richvdh 2021/10/07: I don't really understand what this
and (await self._store.get_min_depth(event.room_id)) <= event.depth # condition is doing. I think it's trying not to send pushes
): # for events that predate our join - but that's not really what
# min_depth means, and anyway ancient events are a more general
# problem.
#
# for now I'm just going to log about it.
logger.info(
"Skipping push actions for old event with depth %s < %s",
event.depth,
min_depth,
)
else:
await self._action_generator.handle_push_actions_for_event( await self._action_generator.handle_push_actions_for_event(
event, context event, context
) )
try:
await self.persist_events_and_notify( await self.persist_events_and_notify(
event.room_id, [(event, context)], backfilled=backfilled event.room_id, [(event, context)], backfilled=backfilled
) )
@ -1837,6 +1848,3 @@ class FederationEventHandler:
len(ev.auth_event_ids()), len(ev.auth_event_ids()),
) )
raise SynapseError(HTTPStatus.BAD_REQUEST, "Too many auth_events") raise SynapseError(HTTPStatus.BAD_REQUEST, "Too many auth_events")
async def get_min_depth_for_context(self, context: str) -> int:
return await self._store.get_min_depth(context)

2
synapse/storage/databases/main/event_federation.py
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@ -906,7 +906,7 @@ class EventFederationWorkerStore(EventsWorkerStore, SignatureWorkerStore, SQLBas
desc="get_latest_event_ids_in_room", desc="get_latest_event_ids_in_room",
) )
async def get_min_depth(self, room_id: str) -> int: async def get_min_depth(self, room_id: str) -> Optional[int]:
"""For the given room, get the minimum depth we have seen for it.""" """For the given room, get the minimum depth we have seen for it."""
return await self.db_pool.runInteraction( return await self.db_pool.runInteraction(
"get_min_depth", self._get_min_depth_interaction, room_id "get_min_depth", self._get_min_depth_interaction, room_id