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Measure StateHandler._resolve_events
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@ -18,6 +18,7 @@ from twisted.internet import defer
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from synapse.util.logutils import log_function
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from synapse.util.caches.expiringcache import ExpiringCache
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from synapse.util.metrics import Measure
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from synapse.api.constants import EventTypes
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from synapse.api.errors import AuthError
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from synapse.api.auth import AuthEventTypes
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@ -263,48 +264,49 @@ class StateHandler(object):
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from (type, state_key) to event. prev_states is a list of event_ids.
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:rtype: (dict[(str, str), synapse.events.FrozenEvent], list[str])
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"""
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state = {}
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for st in state_sets:
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for e in st:
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state.setdefault(
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(e.type, e.state_key),
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{}
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)[e.event_id] = e
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with Measure(self.clock, "state._resolve_events"):
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state = {}
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for st in state_sets:
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for e in st:
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state.setdefault(
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(e.type, e.state_key),
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{}
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)[e.event_id] = e
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unconflicted_state = {
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k: v.values()[0] for k, v in state.items()
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if len(v.values()) == 1
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}
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unconflicted_state = {
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k: v.values()[0] for k, v in state.items()
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if len(v.values()) == 1
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}
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conflicted_state = {
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k: v.values()
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for k, v in state.items()
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if len(v.values()) > 1
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}
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conflicted_state = {
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k: v.values()
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for k, v in state.items()
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if len(v.values()) > 1
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}
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if event_type:
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prev_states_events = conflicted_state.get(
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(event_type, state_key), []
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)
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prev_states = [s.event_id for s in prev_states_events]
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else:
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prev_states = []
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if event_type:
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prev_states_events = conflicted_state.get(
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(event_type, state_key), []
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)
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prev_states = [s.event_id for s in prev_states_events]
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else:
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prev_states = []
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auth_events = {
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k: e for k, e in unconflicted_state.items()
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if k[0] in AuthEventTypes
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}
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auth_events = {
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k: e for k, e in unconflicted_state.items()
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if k[0] in AuthEventTypes
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}
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try:
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resolved_state = self._resolve_state_events(
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conflicted_state, auth_events
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)
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except:
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logger.exception("Failed to resolve state")
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raise
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try:
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resolved_state = self._resolve_state_events(
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conflicted_state, auth_events
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)
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except:
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logger.exception("Failed to resolve state")
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raise
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new_state = unconflicted_state
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new_state.update(resolved_state)
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new_state = unconflicted_state
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new_state.update(resolved_state)
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return new_state, prev_states
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