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Diffstat (limited to '')
| -rw-r--r-- | synapse/handlers/federation.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index f3f97db2fa..b802822baa 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -178,6 +178,8 @@ class FederationHandler(BaseHandler): self.room_queues = {} # type: Dict[str, List[Tuple[EventBase, str]]] self._room_pdu_linearizer = Linearizer("fed_room_pdu") + self._room_backfill = Linearizer("room_backfill") + self.third_party_event_rules = hs.get_third_party_event_rules() self._ephemeral_messages_enabled = hs.config.enable_ephemeral_messages @@ -1041,6 +1043,12 @@ class FederationHandler(BaseHandler): return. This is used as part of the heuristic to decide if we should back paginate. """ + with (await self._room_backfill.queue(room_id)): + return await self._maybe_backfill_inner(room_id, current_depth, limit) + + async def _maybe_backfill_inner( + self, room_id: str, current_depth: int, limit: int + ) -> bool: extremities = await self.store.get_oldest_events_with_depth_in_room(room_id) if not extremities: |