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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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28
synapse/crypto/keyring.py
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@ -19,7 +19,8 @@ from synapse.api.errors import SynapseError, Codes
from synapse.util import unwrapFirstError, logcontext
from synapse.util.logcontext import (
PreserveLoggingContext,
preserve_fn
preserve_fn,
run_in_background,
)
from synapse.util.metrics import Measure
@ -127,7 +128,7 @@ class Keyring(object):
verify_requests.append(verify_request)
preserve_fn(self._start_key_lookups)(verify_requests)
run_in_background(self._start_key_lookups, verify_requests)
# Pass those keys to handle_key_deferred so that the json object
# signatures can be verified
@ -313,7 +314,7 @@ class Keyring(object):
if not verify_request.deferred.called:
verify_request.deferred.errback(err)
preserve_fn(do_iterations)().addErrback(on_err)
run_in_background(do_iterations).addErrback(on_err)
@defer.inlineCallbacks
def get_keys_from_store(self, server_name_and_key_ids):
@ -329,8 +330,9 @@ class Keyring(object):
"""
res = yield logcontext.make_deferred_yieldable(defer.gatherResults(
[
preserve_fn(self.store.get_server_verify_keys)(
server_name, key_ids
run_in_background(
self.store.get_server_verify_keys,
server_name, key_ids,
).addCallback(lambda ks, server: (server, ks), server_name)
for server_name, key_ids in server_name_and_key_ids
],
@ -358,7 +360,7 @@ class Keyring(object):
results = yield logcontext.make_deferred_yieldable(defer.gatherResults(
[
preserve_fn(get_key)(p_name, p_keys)
run_in_background(get_key, p_name, p_keys)
for p_name, p_keys in self.perspective_servers.items()
],
consumeErrors=True,
@ -398,7 +400,7 @@ class Keyring(object):
results = yield logcontext.make_deferred_yieldable(defer.gatherResults(
[
preserve_fn(get_key)(server_name, key_ids)
run_in_background(get_key, server_name, key_ids)
for server_name, key_ids in server_name_and_key_ids
],
consumeErrors=True,
@ -481,7 +483,8 @@ class Keyring(object):
yield logcontext.make_deferred_yieldable(defer.gatherResults(
[
preserve_fn(self.store_keys)(
run_in_background(
self.store_keys,
server_name=server_name,
from_server=perspective_name,
verify_keys=response_keys,
@ -539,7 +542,8 @@ class Keyring(object):
yield logcontext.make_deferred_yieldable(defer.gatherResults(
[
preserve_fn(self.store_keys)(
run_in_background(
self.store_keys,
server_name=key_server_name,
from_server=server_name,
verify_keys=verify_keys,
@ -615,7 +619,8 @@ class Keyring(object):
yield logcontext.make_deferred_yieldable(defer.gatherResults(
[
preserve_fn(self.store.store_server_keys_json)(
run_in_background(
self.store.store_server_keys_json,
server_name=server_name,
key_id=key_id,
from_server=server_name,
@ -716,7 +721,8 @@ class Keyring(object):
# TODO(markjh): Store whether the keys have expired.
return logcontext.make_deferred_yieldable(defer.gatherResults(
[
preserve_fn(self.store.store_server_verify_key)(
run_in_background(
self.store.store_server_verify_key,
server_name, server_name, key.time_added, key
)
for key_id, key in verify_keys.items()