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Diffstat (limited to 'synapse/handlers/typing.py')
| -rw-r--r-- | synapse/handlers/typing.py | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/synapse/handlers/typing.py b/synapse/handlers/typing.py index d104ea07fe..27aa0d3126 100644 --- a/synapse/handlers/typing.py +++ b/synapse/handlers/typing.py @@ -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, |