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Fix backfill auth events

pull/987/head
Erik Johnston 2016-08-05 12:59:04 +01:00
parent 9377509dcd
commit 93acf49e9b
1 changed files with 51 additions and 22 deletions
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49
synapse/handlers/federation.py
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@ -335,18 +335,35 @@ class FederationHandler(BaseHandler):
state_events.update({s.event_id: s for s in state})
events_to_state[e_id] = state
seen_events = yield self.store.have_events(
set(auth_events.keys()) | set(state_events.keys())
)
all_events = events + state_events.values() + auth_events.values()
required_auth = set(
a_id for event in all_events for a_id, _ in event.auth_events
a_id
for event in events + state_events.values() + auth_events.values()
for a_id, _ in event.auth_events
)
auth_events.update({
e_id: event_map[e_id] for e_id in required_auth if e_id in event_map
})
missing_auth = required_auth - set(auth_events)
failed_to_fetch = set()
# Try and fetch any missing auth events from both DB and remote servers.
# We repeatedly do this until we stop finding new auth events.
while missing_auth - failed_to_fetch:
logger.info("Missing auth for backfill: %r", missing_auth)
ret_events = yield self.store.get_events(missing_auth - failed_to_fetch)
auth_events.update(ret_events)
required_auth.update(
a_id for event in ret_events.values() for a_id, _ in event.auth_events
)
missing_auth = required_auth - set(auth_events)
if missing_auth - failed_to_fetch:
logger.info(
"Fetching missing auth for backfill: %r",
missing_auth - failed_to_fetch
)
missing_auth = required_auth - set(auth_events)
if missing_auth:
logger.info("Missing auth for backfill: %r", missing_auth)
results = yield defer.gatherResults(
[
self.replication_layer.get_pdu(
@ -355,11 +372,21 @@ class FederationHandler(BaseHandler):
outlier=True,
timeout=10000,
)
for event_id in missing_auth
for event_id in missing_auth - failed_to_fetch
],
consumeErrors=True
).addErrback(unwrapFirstError)
auth_events.update({a.event_id: a for a in results})
required_auth.update(
a_id for event in results for a_id, _ in event.auth_events
)
missing_auth = required_auth - set(auth_events)
failed_to_fetch = missing_auth - set(auth_events)
seen_events = yield self.store.have_events(
set(auth_events.keys()) | set(state_events.keys())
)
ev_infos = []
for a in auth_events.values():
@ -372,6 +399,7 @@ class FederationHandler(BaseHandler):
(auth_events[a_id].type, auth_events[a_id].state_key):
auth_events[a_id]
for a_id, _ in a.auth_events
if a_id in auth_events
}
})
@ -383,6 +411,7 @@ class FederationHandler(BaseHandler):
(auth_events[a_id].type, auth_events[a_id].state_key):
auth_events[a_id]
for a_id, _ in event_map[e_id].auth_events
if a_id in auth_events
}
})