Add event_map param to resolve_state_groups
This commit is contained in:
parent
ee6fb4cf85
commit
447aed42d2
2 changed files with 31 additions and 4 deletions
|
@ -308,7 +308,7 @@ class StateHandler(object):
|
|||
))
|
||||
|
||||
result = yield self._state_resolution_handler.resolve_state_groups(
|
||||
room_id, state_groups_ids, self._state_map_factory,
|
||||
room_id, state_groups_ids, None, self._state_map_factory,
|
||||
)
|
||||
defer.returnValue(result)
|
||||
|
||||
|
@ -371,7 +371,9 @@ class StateResolutionHandler(object):
|
|||
|
||||
@defer.inlineCallbacks
|
||||
@log_function
|
||||
def resolve_state_groups(self, room_id, state_groups_ids, state_map_factory):
|
||||
def resolve_state_groups(
|
||||
self, room_id, state_groups_ids, event_map, state_map_factory,
|
||||
):
|
||||
"""Resolves conflicts between a set of state groups
|
||||
|
||||
Always generates a new state group (unless we hit the cache), so should
|
||||
|
@ -383,6 +385,14 @@ class StateResolutionHandler(object):
|
|||
map from state group id to the state in that state group
|
||||
(where 'state' is a map from state key to event id)
|
||||
|
||||
event_map(dict[str,FrozenEvent]|None):
|
||||
a dict from event_id to event, for any events that we happen to
|
||||
have in flight (eg, those currently being persisted). This will be
|
||||
used as a starting point fof finding the state we need; any missing
|
||||
events will be requested via state_map_factory.
|
||||
|
||||
If None, all events will be fetched via state_map_factory.
|
||||
|
||||
Returns:
|
||||
Deferred[_StateCacheEntry]: resolved state
|
||||
"""
|
||||
|
@ -423,6 +433,7 @@ class StateResolutionHandler(object):
|
|||
with Measure(self.clock, "state._resolve_events"):
|
||||
new_state = yield resolve_events_with_factory(
|
||||
state_groups_ids.values(),
|
||||
event_map=event_map,
|
||||
state_map_factory=state_map_factory,
|
||||
)
|
||||
else:
|
||||
|
@ -555,11 +566,20 @@ def _seperate(state_sets):
|
|||
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def resolve_events_with_factory(state_sets, state_map_factory):
|
||||
def resolve_events_with_factory(state_sets, event_map, state_map_factory):
|
||||
"""
|
||||
Args:
|
||||
state_sets(list): List of dicts of (type, state_key) -> event_id,
|
||||
which are the different state groups to resolve.
|
||||
|
||||
event_map(dict[str,FrozenEvent]|None):
|
||||
a dict from event_id to event, for any events that we happen to
|
||||
have in flight (eg, those currently being persisted). This will be
|
||||
used as a starting point fof finding the state we need; any missing
|
||||
events will be requested via state_map_factory.
|
||||
|
||||
If None, all events will be fetched via state_map_factory.
|
||||
|
||||
state_map_factory(func): will be called
|
||||
with a list of event_ids that are needed, and should return with
|
||||
a Deferred of dict of event_id to event.
|
||||
|
@ -580,12 +600,16 @@ def resolve_events_with_factory(state_sets, state_map_factory):
|
|||
for event_ids in conflicted_state.itervalues()
|
||||
for event_id in event_ids
|
||||
)
|
||||
if event_map is not None:
|
||||
needed_events -= set(event_map.iterkeys())
|
||||
|
||||
logger.info("Asking for %d conflicted events", len(needed_events))
|
||||
|
||||
# dict[str, FrozenEvent]: a map from state event id to event. Only includes
|
||||
# the state events which are in conflict.
|
||||
# the state events which are in conflict (and those in event_map)
|
||||
state_map = yield state_map_factory(needed_events)
|
||||
if event_map is not None:
|
||||
state_map.update(event_map)
|
||||
|
||||
# get the ids of the auth events which allow us to authenticate the
|
||||
# conflicted state, picking only from the unconflicting state.
|
||||
|
@ -597,6 +621,8 @@ def resolve_events_with_factory(state_sets, state_map_factory):
|
|||
|
||||
new_needed_events = set(auth_events.itervalues())
|
||||
new_needed_events -= needed_events
|
||||
if event_map is not None:
|
||||
new_needed_events -= set(event_map.iterkeys())
|
||||
|
||||
logger.info("Asking for %d auth events", len(new_needed_events))
|
||||
|
||||
|
|
|
@ -586,6 +586,7 @@ class EventsStore(SQLBaseStore):
|
|||
|
||||
current_state = yield resolve_events_with_factory(
|
||||
state_sets,
|
||||
event_map={},
|
||||
state_map_factory=get_events,
|
||||
)
|
||||
defer.returnValue(current_state)
|
||||
|
|
Loading…
Reference in a new issue