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Key StateHandler._state_cache off of state groups

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This commit is contained in:
Erik Johnston 2016-03-22 18:02:36 +00:00
parent c4a8cbd15a
commit d531ebcb57
1 changed files with 29 additions and 48 deletions
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73
synapse/state.py
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@ -90,16 +90,6 @@ class StateHandler(object):
"""
event_ids = yield self.store.get_latest_event_ids_in_room(room_id)
cache = None
if self._state_cache is not None:
cache = self._state_cache.get(frozenset(event_ids), None)
if cache:
cache.ts = self.clock.time_msec()
event_dict = yield self.store.get_events(cache.state.values())
state = {(e.type, e.state_key): e for e in event_dict.values()}
else:
res = yield self.resolve_state_groups(room_id, event_ids)
state = res[1]
@ -193,8 +183,33 @@ class StateHandler(object):
"""
logger.debug("resolve_state_groups event_ids %s", event_ids)
state_groups = yield self.store.get_state_groups(
room_id, event_ids
)
logger.debug(
"resolve_state_groups state_groups %s",
state_groups.keys()
)
group_names = frozenset(state_groups.keys())
if len(group_names) == 1:
name, state_list = state_groups.items().pop()
state = {
(e.type, e.state_key): e
for e in state_list
}
prev_state = state.get((event_type, state_key), None)
if prev_state:
prev_state = prev_state.event_id
prev_states = [prev_state]
else:
prev_states = []
defer.returnValue((name, state, prev_states))
if self._state_cache is not None:
cache = self._state_cache.get(frozenset(event_ids), None)
cache = self._state_cache.get(group_names, None)
if cache and cache.state_group:
cache.ts = self.clock.time_msec()
@ -211,40 +226,6 @@ class StateHandler(object):
(cache.state_group, state, prev_states)
)
state_groups = yield self.store.get_state_groups(
room_id, event_ids
)
logger.debug(
"resolve_state_groups state_groups %s",
state_groups.keys()
)
group_names = set(state_groups.keys())
if len(group_names) == 1:
name, state_list = state_groups.items().pop()
state = {
(e.type, e.state_key): e
for e in state_list
}
prev_state = state.get((event_type, state_key), None)
if prev_state:
prev_state = prev_state.event_id
prev_states = [prev_state]
else:
prev_states = []
if self._state_cache is not None:
cache = _StateCacheEntry(
state={key: event.event_id for key, event in state.items()},
state_group=name,
ts=self.clock.time_msec()
)
self._state_cache[frozenset(event_ids)] = cache
defer.returnValue((name, state, prev_states))
new_state, prev_states = self._resolve_events(
state_groups.values(), event_type, state_key
)
@ -256,7 +237,7 @@ class StateHandler(object):
ts=self.clock.time_msec()
)
self._state_cache[frozenset(event_ids)] = cache
self._state_cache[group_names] = cache
defer.returnValue((None, new_state, prev_states))