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Copy room serials before handling in get_new_events_as (#13392)

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Nick Mills-Barrett 2022-07-26 18:45:27 +01:00 committed by GitHub
parent 543dc9c93e
commit bf3115584c
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2 changed files with 11 additions and 3 deletions
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changelog.d/13392.bugfix Normal file
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@ -0,0 +1 @@
Fix bug in handling of typing events for appservices. Contributed by Nick @ Beeper (@fizzadar).

13
synapse/handlers/typing.py
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@ -489,8 +489,15 @@ class TypingNotificationEventSource(EventSource[int, JsonDict]):
handler = self.get_typing_handler()
events = []
for room_id in handler._room_serials.keys():
if handler._room_serials[room_id] <= from_key:
# Work on a copy of things here as these may change in the handler while
# waiting for the AS `is_interested_in_room` call to complete.
# Shallow copy is safe as no nested data is present.
latest_room_serial = handler._latest_room_serial
room_serials = handler._room_serials.copy()
for room_id, serial in room_serials.items():
if serial <= from_key:
continue
if not await service.is_interested_in_room(room_id, self._main_store):
@ -498,7 +505,7 @@ class TypingNotificationEventSource(EventSource[int, JsonDict]):
events.append(self._make_event_for(room_id))
return events, handler._latest_room_serial
return events, latest_room_serial
async def get_new_events(
self,