From 5bbc3215887a653796a09178fbb69c38e241259d Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Wed, 20 Apr 2016 11:39:54 +0100 Subject: [PATCH] Always use state cache entry if it exists Also check if the resolved state matches an existing state group. --- synapse/state.py | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/synapse/state.py b/synapse/state.py index cca9167e5b..d0f76dc4f5 100644 --- a/synapse/state.py +++ b/synapse/state.py @@ -214,7 +214,7 @@ class StateHandler(object): if self._state_cache is not None: cache = self._state_cache.get(group_names, None) - if cache and cache.state_group: + if cache: cache.ts = self.clock.time_msec() event_dict = yield self.store.get_events(cache.state.values()) @@ -236,16 +236,23 @@ class StateHandler(object): state_groups.values(), event_type, state_key ) + state_group = None + new_state_event_ids = frozenset(e.event_id for e in new_state.values()) + for sg, events in state_groups.items(): + if new_state_event_ids == frozenset(e.event_id for e in events): + state_group = sg + break + if self._state_cache is not None: cache = _StateCacheEntry( state={key: event.event_id for key, event in new_state.items()}, - state_group=None, + state_group=state_group, ts=self.clock.time_msec() ) self._state_cache[group_names] = cache - defer.returnValue((None, new_state, prev_states)) + defer.returnValue((state_group, new_state, prev_states)) def resolve_events(self, state_sets, event): logger.info(