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Rate limit joins per-room (#13276)

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David Robertson 2022-07-19 12:45:17 +01:00 • committed by GitHub
parent 2ee0b6ef4b
commit b977867358
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18 changed files with 498 additions and 15 deletions
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17
synapse/replication/tcp/client.py
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@ -21,7 +21,7 @@ from twisted.internet.interfaces import IAddress, IConnector
from twisted.internet.protocol import ReconnectingClientFactory
from twisted.python.failure import Failure
from synapse.api.constants import EventTypes, ReceiptTypes
from synapse.api.constants import EventTypes, Membership, ReceiptTypes
from synapse.federation import send_queue
from synapse.federation.sender import FederationSender
from synapse.logging.context import PreserveLoggingContext, make_deferred_yieldable
@ -219,6 +219,21 @@ class ReplicationDataHandler:
membership=row.data.membership,
)
# If this event is a join, make a note of it so we have an accurate
# cross-worker room rate limit.
# TODO: Erik said we should exclude rows that came from ex_outliers
# here, but I don't see how we can determine that. I guess we could
# add a flag to row.data?
if (
row.data.type == EventTypes.Member
and row.data.membership == Membership.JOIN
and not row.data.outlier
):
# TODO retrieve the previous state, and exclude join -> join transitions
self.notifier.notify_user_joined_room(
row.data.event_id, row.data.room_id
)
await self._presence_handler.process_replication_rows(
stream_name, instance_name, token, rows
)