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Use run_in_background in preference to preserve_fn

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While I was going through uses of preserve_fn for other PRs, I converted places
which only use the wrapped function once to use run_in_background, to avoid
creating the function object.
This commit is contained in:
Richard van der Hoff 2018-04-27 11:29:27 +01:00
parent 0ced8b5b47
commit 2a13af23bc
22 changed files with 97 additions and 71 deletions
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16
synapse/handlers/federation.py
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@ -637,7 +637,8 @@ class FederationHandler(BaseHandler):
results = yield logcontext.make_deferred_yieldable(defer.gatherResults(
[
logcontext.preserve_fn(self.replication_layer.get_pdu)(
logcontext.run_in_background(
self.replication_layer.get_pdu,
[dest],
event_id,
outlier=True,
@ -1023,7 +1024,7 @@ class FederationHandler(BaseHandler):
# lots of requests for missing prev_events which we do actually
# have. Hence we fire off the deferred, but don't wait for it.
logcontext.preserve_fn(self._handle_queued_pdus)(room_queue)
logcontext.run_in_background(self._handle_queued_pdus, room_queue)
defer.returnValue(True)
@ -1523,8 +1524,9 @@ class FederationHandler(BaseHandler):
if not backfilled:
# this intentionally does not yield: we don't care about the result
# and don't need to wait for it.
logcontext.preserve_fn(self.pusher_pool.on_new_notifications)(
event_stream_id, max_stream_id
logcontext.run_in_background(
self.pusher_pool.on_new_notifications,
event_stream_id, max_stream_id,
)
defer.returnValue((context, event_stream_id, max_stream_id))
@ -1538,7 +1540,8 @@ class FederationHandler(BaseHandler):
"""
contexts = yield logcontext.make_deferred_yieldable(defer.gatherResults(
[
logcontext.preserve_fn(self._prep_event)(
logcontext.run_in_background(
self._prep_event,
origin,
ev_info["event"],
state=ev_info.get("state"),
@ -1867,7 +1870,8 @@ class FederationHandler(BaseHandler):
different_events = yield logcontext.make_deferred_yieldable(
defer.gatherResults([
logcontext.preserve_fn(self.store.get_event)(
logcontext.run_in_background(
self.store.get_event,
d,
allow_none=True,
allow_rejected=False,