diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index cf9c46d027..e54d509b62 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -756,8 +756,7 @@ class FederationHandler(BaseHandler):
yield self.user_joined_room(user, room_id)
@log_function
- @defer.inlineCallbacks
- def backfill(self, dest, room_id, limit, extremities):
+ async def backfill(self, dest, room_id, limit, extremities):
""" Trigger a backfill request to `dest` for the given `room_id`
This will attempt to get more events from the remote. If the other side
@@ -774,9 +773,9 @@ class FederationHandler(BaseHandler):
if dest == self.server_name:
raise SynapseError(400, "Can't backfill from self.")
- room_version = yield self.store.get_room_version(room_id)
+ room_version = await self.store.get_room_version(room_id)
- events = yield self.federation_client.backfill(
+ events = await self.federation_client.backfill(
dest, room_id, limit=limit, extremities=extremities
)
@@ -791,7 +790,7 @@ class FederationHandler(BaseHandler):
# self._sanity_check_event(ev)
# Don't bother processing events we already have.
- seen_events = yield self.store.have_events_in_timeline(
+ seen_events = await self.store.have_events_in_timeline(
set(e.event_id for e in events)
)
@@ -814,7 +813,7 @@ class FederationHandler(BaseHandler):
state_events = {}
events_to_state = {}
for e_id in edges:
- state, auth = yield self._get_state_for_room(
+ state, auth = await self._get_state_for_room(
destination=dest, room_id=room_id, event_id=e_id
)
auth_events.update({a.event_id: a for a in auth})
@@ -839,7 +838,7 @@ class FederationHandler(BaseHandler):
# 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)
+ ret_events = await self.store.get_events(missing_auth - failed_to_fetch)
auth_events.update(ret_events)
required_auth.update(
@@ -853,7 +852,7 @@ class FederationHandler(BaseHandler):
missing_auth - failed_to_fetch,
)
- results = yield make_deferred_yieldable(
+ results = await make_deferred_yieldable(
defer.gatherResults(
[
run_in_background(
@@ -880,7 +879,7 @@ class FederationHandler(BaseHandler):
failed_to_fetch = missing_auth - set(auth_events)
- seen_events = yield self.store.have_seen_events(
+ seen_events = await self.store.have_seen_events(
set(auth_events.keys()) | set(state_events.keys())
)
@@ -942,7 +941,7 @@ class FederationHandler(BaseHandler):
)
)
- yield self._handle_new_events(dest, ev_infos, backfilled=True)
+ await self._handle_new_events(dest, ev_infos, backfilled=True)
# Step 2: Persist the rest of the events in the chunk one by one
events.sort(key=lambda e: e.depth)
@@ -958,16 +957,15 @@ class FederationHandler(BaseHandler):
# We store these one at a time since each event depends on the
# previous to work out the state.
# TODO: We can probably do something more clever here.
- yield self._handle_new_event(dest, event, backfilled=True)
+ await self._handle_new_event(dest, event, backfilled=True)
return events
- @defer.inlineCallbacks
- def maybe_backfill(self, room_id, current_depth):
+ async def maybe_backfill(self, room_id, current_depth):
"""Checks the database to see if we should backfill before paginating,
and if so do.
"""
- extremities = yield self.store.get_oldest_events_with_depth_in_room(room_id)
+ extremities = await self.store.get_oldest_events_with_depth_in_room(room_id)
if not extremities:
logger.debug("Not backfilling as no extremeties found.")
@@ -999,9 +997,9 @@ class FederationHandler(BaseHandler):
# state *before* the event, ignoring the special casing certain event
# types have.
- forward_events = yield self.store.get_successor_events(list(extremities))
+ forward_events = await self.store.get_successor_events(list(extremities))
- extremities_events = yield self.store.get_events(
+ extremities_events = await self.store.get_events(
forward_events,
redact_behaviour=EventRedactBehaviour.AS_IS,
get_prev_content=False,
@@ -1009,7 +1007,7 @@ class FederationHandler(BaseHandler):
# We set `check_history_visibility_only` as we might otherwise get false
# positives from users having been erased.
- filtered_extremities = yield filter_events_for_server(
+ filtered_extremities = await filter_events_for_server(
self.storage,
self.server_name,
list(extremities_events.values()),
@@ -1039,7 +1037,7 @@ class FederationHandler(BaseHandler):
# First we try hosts that are already in the room
# TODO: HEURISTIC ALERT.
- curr_state = yield self.state_handler.get_current_state(room_id)
+ curr_state = await self.state_handler.get_current_state(room_id)
def get_domains_from_state(state):
"""Get joined domains from state
@@ -1078,12 +1076,11 @@ class FederationHandler(BaseHandler):
domain for domain, depth in curr_domains if domain != self.server_name
]
- @defer.inlineCallbacks
- def try_backfill(domains):
+ async def try_backfill(domains):
# TODO: Should we try multiple of these at a time?
for dom in domains:
try:
- yield self.backfill(
+ await self.backfill(
dom, room_id, limit=100, extremities=extremities
)
# If this succeeded then we probably already have the
@@ -1114,7 +1111,7 @@ class FederationHandler(BaseHandler):
return False
- success = yield try_backfill(likely_domains)
+ success = await try_backfill(likely_domains)
if success:
return True
@@ -1128,7 +1125,7 @@ class FederationHandler(BaseHandler):
logger.debug("calling resolve_state_groups in _maybe_backfill")
resolve = preserve_fn(self.state_handler.resolve_state_groups_for_events)
- states = yield make_deferred_yieldable(
+ states = await make_deferred_yieldable(
defer.gatherResults(
[resolve(room_id, [e]) for e in event_ids], consumeErrors=True
)
@@ -1138,7 +1135,7 @@ class FederationHandler(BaseHandler):
# event_ids.
states = dict(zip(event_ids, [s.state for s in states]))
- state_map = yield self.store.get_events(
+ state_map = await self.store.get_events(
[e_id for ids in itervalues(states) for e_id in itervalues(ids)],
get_prev_content=False,
)
@@ -1154,7 +1151,7 @@ class FederationHandler(BaseHandler):
for e_id, _ in sorted_extremeties_tuple:
likely_domains = get_domains_from_state(states[e_id])
- success = yield try_backfill(
+ success = await try_backfill(
[dom for dom, _ in likely_domains if dom not in tried_domains]
)
if success:
|
