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Add fast path if from_token is None

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This commit is contained in:
Erik Johnston
2024-07-30 12:49:25 +01:00
parent 11f34920e7
commit 9284cc0110
1 changed files with 11 additions and 8 deletions
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19
synapse/handlers/sliding_sync.py
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@@ -2354,18 +2354,21 @@ class SlidingSyncConnectionStore:
# given token, so we don't need to update the entry.
# - NEVER: We have never previously sent down the room, and we haven't
# sent anything down this time either so we leave it as NEVER.
#
# We only need to do this if `from_token` is not None, as if it is then
# we know that there are no existing entires.
# Work out the new state for unsent rooms that were `LIVE`.
if from_token:
new_unsent_state = HaveSentRoom.previously(from_token.stream_token.room_key)
else:
new_unsent_state = HAVE_SENT_ROOM_NEVER
for room_id in unsent_room_ids:
prev_state = new_room_statuses.get(room_id)
if prev_state is not None and prev_state.status == HaveSentRoomFlag.LIVE:
new_room_statuses[room_id] = new_unsent_state
have_updated = True
for room_id in unsent_room_ids:
prev_state = new_room_statuses.get(room_id)
if (
prev_state is not None
and prev_state.status == HaveSentRoomFlag.LIVE
):
new_room_statuses[room_id] = new_unsent_state
have_updated = True
if not have_updated:
return prev_connection_token