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Preserve some logcontexts

This commit is contained in:
Erik Johnston 2016-08-23 15:23:39 +01:00
parent 928b2187ea
commit 9219139351
18 changed files with 136 additions and 99 deletions
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3
synapse/app/homeserver.py
View File

@ -50,7 +50,7 @@ from synapse.api.urls import (
)
from synapse.config.homeserver import HomeServerConfig
from synapse.crypto import context_factory
from synapse.util.logcontext import LoggingContext
from synapse.util.logcontext import LoggingContext, logcontext_tracer
from synapse.metrics import register_memory_metrics, get_metrics_for
from synapse.metrics.resource import MetricsResource, METRICS_PREFIX
from synapse.replication.resource import ReplicationResource, REPLICATION_PREFIX
@ -449,6 +449,7 @@ def run(hs):
# Uncomment to enable tracing of log context changes.
# sys.settrace(logcontext_tracer)
with LoggingContext("run"):
sys.settrace(logcontext_tracer)
change_resource_limit(hs.config.soft_file_limit)
if hs.config.gc_thresholds:
gc.set_threshold(*hs.config.gc_thresholds)

6
synapse/appservice/scheduler.py
View File

@ -150,12 +150,12 @@ class _TransactionController(object):
if service_is_up:
sent = yield txn.send(self.as_api)
if sent:
txn.complete(self.store)
yield txn.complete(self.store)
else:
self._start_recoverer(service)
preserve_fn(self._start_recoverer)(service)
except Exception as e:
logger.exception(e)
self._start_recoverer(service)
preserve_fn(self._start_recoverer)(service)
@defer.inlineCallbacks
def on_recovered(self, recoverer):

36
synapse/crypto/keyring.py
View File

@ -308,15 +308,15 @@ class Keyring(object):
@defer.inlineCallbacks
def get_keys_from_store(self, server_name_and_key_ids):
res = yield defer.gatherResults(
res = yield preserve_context_over_deferred(defer.gatherResults(
[
self.store.get_server_verify_keys(
preserve_fn(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
],
consumeErrors=True,
).addErrback(unwrapFirstError)
)).addErrback(unwrapFirstError)
defer.returnValue(dict(res))
@ -337,13 +337,13 @@ class Keyring(object):
)
defer.returnValue({})
results = yield defer.gatherResults(
results = yield preserve_context_over_deferred(defer.gatherResults(
[
get_key(p_name, p_keys)
preserve_fn(get_key)(p_name, p_keys)
for p_name, p_keys in self.perspective_servers.items()
],
consumeErrors=True,
).addErrback(unwrapFirstError)
)).addErrback(unwrapFirstError)
union_of_keys = {}
for result in results:
@ -383,13 +383,13 @@ class Keyring(object):
defer.returnValue(keys)
results = yield defer.gatherResults(
results = yield preserve_context_over_deferred(defer.gatherResults(
[
get_key(server_name, key_ids)
preserve_fn(get_key)(server_name, key_ids)
for server_name, key_ids in server_name_and_key_ids
],
consumeErrors=True,
).addErrback(unwrapFirstError)
)).addErrback(unwrapFirstError)
merged = {}
for result in results:
@ -466,9 +466,9 @@ class Keyring(object):
for server_name, response_keys in processed_response.items():
keys.setdefault(server_name, {}).update(response_keys)
yield defer.gatherResults(
yield preserve_context_over_deferred(defer.gatherResults(
[
self.store_keys(
preserve_fn(self.store_keys)(
server_name=server_name,
from_server=perspective_name,
verify_keys=response_keys,
@ -476,7 +476,7 @@ class Keyring(object):
for server_name, response_keys in keys.items()
],
consumeErrors=True
).addErrback(unwrapFirstError)
)).addErrback(unwrapFirstError)
defer.returnValue(keys)
@ -524,7 +524,7 @@ class Keyring(object):
keys.update(response_keys)
yield defer.gatherResults(
yield preserve_context_over_deferred(defer.gatherResults(
[
preserve_fn(self.store_keys)(
server_name=key_server_name,
@ -534,7 +534,7 @@ class Keyring(object):
for key_server_name, verify_keys in keys.items()
],
consumeErrors=True
).addErrback(unwrapFirstError)
)).addErrback(unwrapFirstError)
defer.returnValue(keys)
@ -600,7 +600,7 @@ class Keyring(object):
response_keys.update(verify_keys)
response_keys.update(old_verify_keys)
yield defer.gatherResults(
yield preserve_context_over_deferred(defer.gatherResults(
[
preserve_fn(self.store.store_server_keys_json)(
server_name=server_name,
@ -613,7 +613,7 @@ class Keyring(object):
for key_id in updated_key_ids
],
consumeErrors=True,
).addErrback(unwrapFirstError)
)).addErrback(unwrapFirstError)
results[server_name] = response_keys
@ -702,7 +702,7 @@ class Keyring(object):
A deferred that completes when the keys are stored.
"""
# TODO(markjh): Store whether the keys have expired.
yield defer.gatherResults(
yield preserve_context_over_deferred(defer.gatherResults(
[
preserve_fn(self.store.store_server_verify_key)(
server_name, server_name, key.time_added, key
@ -710,4 +710,4 @@ class Keyring(object):
for key_id, key in verify_keys.items()
],
consumeErrors=True,
).addErrback(unwrapFirstError)
)).addErrback(unwrapFirstError)

7
synapse/federation/federation_base.py
View File

@ -23,6 +23,7 @@ from synapse.crypto.event_signing import check_event_content_hash
from synapse.api.errors import SynapseError
from synapse.util import unwrapFirstError
from synapse.util.logcontext import preserve_fn, preserve_context_over_deferred
import logging
@ -102,10 +103,10 @@ class FederationBase(object):
warn, pdu
)
valid_pdus = yield defer.gatherResults(
valid_pdus = yield preserve_context_over_deferred(defer.gatherResults(
deferreds,
consumeErrors=True
).addErrback(unwrapFirstError)
)).addErrback(unwrapFirstError)
if include_none:
defer.returnValue(valid_pdus)
@ -129,7 +130,7 @@ class FederationBase(object):
for pdu in pdus
]
deferreds = self.keyring.verify_json_objects_for_server([
deferreds = preserve_fn(self.keyring.verify_json_objects_for_server)([
(p.origin, p.get_pdu_json())
for p in redacted_pdus
])

17
synapse/federation/federation_client.py
View File

@ -27,6 +27,7 @@ from synapse.util import unwrapFirstError
from synapse.util.async import concurrently_execute
from synapse.util.caches.expiringcache import ExpiringCache
from synapse.util.logutils import log_function
from synapse.util.logcontext import preserve_fn, preserve_context_over_deferred
from synapse.events import FrozenEvent
import synapse.metrics
@ -225,10 +226,10 @@ class FederationClient(FederationBase):
]
# FIXME: We should handle signature failures more gracefully.
pdus[:] = yield defer.gatherResults(
pdus[:] = yield preserve_context_over_deferred(defer.gatherResults(
self._check_sigs_and_hashes(pdus),
consumeErrors=True,
).addErrback(unwrapFirstError)
)).addErrback(unwrapFirstError)
defer.returnValue(pdus)
@ -457,14 +458,16 @@ class FederationClient(FederationBase):
batch = set(missing_events[i:i + batch_size])
deferreds = [
self.get_pdu(
preserve_fn(self.get_pdu)(
destinations=random_server_list(),
event_id=e_id,
)
for e_id in batch
]
res = yield defer.DeferredList(deferreds, consumeErrors=True)
res = yield preserve_context_over_deferred(
defer.DeferredList(deferreds, consumeErrors=True)
)
for success, result in res:
if success:
signed_events.append(result)
@ -853,14 +856,16 @@ class FederationClient(FederationBase):
return srvs
deferreds = [
self.get_pdu(
preserve_fn(self.get_pdu)(
destinations=random_server_list(),
event_id=e_id,
)
for e_id, depth in ordered_missing[:limit - len(signed_events)]
]
res = yield defer.DeferredList(deferreds, consumeErrors=True)
res = yield preserve_context_over_deferred(
defer.DeferredList(deferreds, consumeErrors=True)
)
for (result, val), (e_id, _) in zip(res, ordered_missing):
if result and val:
signed_events.append(val)

8
synapse/handlers/appservice.py
View File

@ -17,7 +17,7 @@ from twisted.internet import defer
from synapse.api.constants import EventTypes
from synapse.util.metrics import Measure
from synapse.util.logcontext import preserve_fn
from synapse.util.logcontext import preserve_fn, preserve_context_over_deferred
import logging
@ -163,10 +163,10 @@ class ApplicationServicesHandler(object):
def query_3pe(self, kind, protocol, fields):
services = yield self._get_services_for_3pn(protocol)
results = yield defer.DeferredList([
self.appservice_api.query_3pe(service, kind, protocol, fields)
results = yield preserve_context_over_deferred(defer.DeferredList([
preserve_fn(self.appservice_api.query_3pe)(service, kind, protocol, fields)
for service in services
], consumeErrors=True)
], consumeErrors=True))
ret = []
for (success, result) in results:

28
synapse/handlers/federation.py
View File

@ -26,7 +26,9 @@ from synapse.api.errors import (
from synapse.api.constants import EventTypes, Membership, RejectedReason
from synapse.events.validator import EventValidator
from synapse.util import unwrapFirstError
from synapse.util.logcontext import PreserveLoggingContext, preserve_fn
from synapse.util.logcontext import (
PreserveLoggingContext, preserve_fn, preserve_context_over_deferred
)
from synapse.util.logutils import log_function
from synapse.util.async import run_on_reactor
from synapse.util.frozenutils import unfreeze
@ -361,9 +363,9 @@ class FederationHandler(BaseHandler):
missing_auth - failed_to_fetch
)
results = yield defer.gatherResults(
results = yield preserve_context_over_deferred(defer.gatherResults(
[
self.replication_layer.get_pdu(
preserve_fn(self.replication_layer.get_pdu)(
[dest],
event_id,
outlier=True,
@ -372,7 +374,7 @@ class FederationHandler(BaseHandler):
for event_id in missing_auth - failed_to_fetch
],
consumeErrors=True
).addErrback(unwrapFirstError)
)).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
@ -552,10 +554,10 @@ class FederationHandler(BaseHandler):
event_ids = list(extremities.keys())
states = yield defer.gatherResults([
self.state_handler.resolve_state_groups(room_id, [e])
states = yield preserve_context_over_deferred(defer.gatherResults([
preserve_fn(self.state_handler.resolve_state_groups)(room_id, [e])
for e in event_ids
])
]))
states = dict(zip(event_ids, [s[1] for s in states]))
for e_id, _ in sorted_extremeties_tuple:
@ -1166,9 +1168,9 @@ class FederationHandler(BaseHandler):
a bunch of outliers, but not a chunk of individual events that depend
on each other for state calculations.
"""
contexts = yield defer.gatherResults(
contexts = yield preserve_context_over_deferred(defer.gatherResults(
[
self._prep_event(
preserve_fn(self._prep_event)(
origin,
ev_info["event"],
state=ev_info.get("state"),
@ -1176,7 +1178,7 @@ class FederationHandler(BaseHandler):
)
for ev_info in event_infos
]
)
))
yield self.store.persist_events(
[
@ -1460,9 +1462,9 @@ class FederationHandler(BaseHandler):
# Do auth conflict res.
logger.info("Different auth: %s", different_auth)
different_events = yield defer.gatherResults(
different_events = yield preserve_context_over_deferred(defer.gatherResults(
[
self.store.get_event(
preserve_fn(self.store.get_event)(
d,
allow_none=True,
allow_rejected=False,
@ -1471,7 +1473,7 @@ class FederationHandler(BaseHandler):
if d in have_events and not have_events[d]
],
consumeErrors=True
).addErrback(unwrapFirstError)
)).addErrback(unwrapFirstError)
if different_events:
local_view = dict(auth_events)

21
synapse/handlers/message.py
View File

@ -28,7 +28,8 @@ from synapse.types import (
from synapse.util import unwrapFirstError
from synapse.util.async import concurrently_execute, run_on_reactor, ReadWriteLock
from synapse.util.caches.snapshot_cache import SnapshotCache
from synapse.util.logcontext import preserve_fn
from synapse.util.logcontext import preserve_fn, preserve_context_over_deferred
from synapse.util.metrics import measure_func
from synapse.visibility import filter_events_for_client
from ._base import BaseHandler
@ -502,15 +503,17 @@ class MessageHandler(BaseHandler):
lambda states: states[event.event_id]
)
(messages, token), current_state = yield defer.gatherResults(
(messages, token), current_state = yield preserve_context_over_deferred(
defer.gatherResults(
[
self.store.get_recent_events_for_room(
preserve_fn(self.store.get_recent_events_for_room)(
event.room_id,
limit=limit,
end_token=room_end_token,
),
deferred_room_state,
]
)
).addErrback(unwrapFirstError)
messages = yield filter_events_for_client(
@ -719,9 +722,9 @@ class MessageHandler(BaseHandler):
presence, receipts, (messages, token) = yield defer.gatherResults(
[
get_presence(),
get_receipts(),
self.store.get_recent_events_for_room(
preserve_fn(get_presence)(),
preserve_fn(get_receipts)(),
preserve_fn(self.store.get_recent_events_for_room)(
room_id,
limit=limit,
end_token=now_token.room_key,
@ -755,6 +758,7 @@ class MessageHandler(BaseHandler):
defer.returnValue(ret)
@measure_func("_create_new_client_event")
@defer.inlineCallbacks
def _create_new_client_event(self, builder, prev_event_ids=None):
if prev_event_ids:
@ -806,6 +810,7 @@ class MessageHandler(BaseHandler):
(event, context,)
)
@measure_func("handle_new_client_event")
@defer.inlineCallbacks
def handle_new_client_event(
self,
@ -934,7 +939,7 @@ class MessageHandler(BaseHandler):
@defer.inlineCallbacks
def _notify():
yield run_on_reactor()
self.notifier.on_new_room_event(
yield self.notifier.on_new_room_event(
event, event_stream_id, max_stream_id,
extra_users=extra_users
)
@ -944,6 +949,6 @@ class MessageHandler(BaseHandler):
# If invite, remove room_state from unsigned before sending.
event.unsigned.pop("invite_room_state", None)
federation_handler.handle_new_event(
preserve_fn(federation_handler.handle_new_event)(
event, destinations=destinations,
)

12
synapse/handlers/typing.py
View File

@ -16,7 +16,9 @@
from twisted.internet import defer
from synapse.api.errors import SynapseError, AuthError
from synapse.util.logcontext import PreserveLoggingContext
from synapse.util.logcontext import (
PreserveLoggingContext, preserve_fn, preserve_context_over_deferred,
)
from synapse.util.metrics import Measure
from synapse.types import UserID
@ -169,13 +171,13 @@ class TypingHandler(object):
deferreds = []
for domain in domains:
if domain == self.server_name:
self._push_update_local(
preserve_fn(self._push_update_local)(
room_id=room_id,
user_id=user_id,
typing=typing
)
else:
deferreds.append(self.federation.send_edu(
deferreds.append(preserve_fn(self.federation.send_edu)(
destination=domain,
edu_type="m.typing",
content={
@ -185,7 +187,9 @@ class TypingHandler(object):
},
))
yield defer.DeferredList(deferreds, consumeErrors=True)
yield preserve_context_over_deferred(
defer.DeferredList(deferreds, consumeErrors=True)
)
@defer.inlineCallbacks
def _recv_edu(self, origin, content):

7
synapse/notifier.py
View File

@ -19,7 +19,7 @@ from synapse.api.errors import AuthError
from synapse.util.logutils import log_function
from synapse.util.async import ObservableDeferred
from synapse.util.logcontext import PreserveLoggingContext
from synapse.util.logcontext import PreserveLoggingContext, preserve_fn
from synapse.util.metrics import Measure
from synapse.types import StreamToken
from synapse.visibility import filter_events_for_client
@ -174,6 +174,7 @@ class Notifier(object):
lambda: len(self.user_to_user_stream),
)
@preserve_fn
def on_new_room_event(self, event, room_stream_id, max_room_stream_id,
extra_users=[]):
""" Used by handlers to inform the notifier something has happened
@ -195,6 +196,7 @@ class Notifier(object):
self.notify_replication()
@preserve_fn
def _notify_pending_new_room_events(self, max_room_stream_id):
"""Notify for the room events that were queued waiting for a previous
event to be persisted.
@ -212,6 +214,7 @@ class Notifier(object):
else:
self._on_new_room_event(event, room_stream_id, extra_users)
@preserve_fn
def _on_new_room_event(self, event, room_stream_id, extra_users=[]):
"""Notify any user streams that are interested in this room event"""
# poke any interested application service.
@ -226,6 +229,7 @@ class Notifier(object):
rooms=[event.room_id],
)
@preserve_fn
def on_new_event(self, stream_key, new_token, users=[], rooms=[]):
""" Used to inform listeners that something has happend event wise.
@ -252,6 +256,7 @@ class Notifier(object):
self.notify_replication()
@preserve_fn
def on_new_replication_data(self):
"""Used to inform replication listeners that something has happend
without waking up any of the normal user event streams"""

9
synapse/push/push_tools.py
View File

@ -17,14 +17,15 @@ from twisted.internet import defer
from synapse.util.presentable_names import (
calculate_room_name, name_from_member_event
)
from synapse.util.logcontext import preserve_fn, preserve_context_over_deferred
@defer.inlineCallbacks
def get_badge_count(store, user_id):
invites, joins = yield defer.gatherResults([
store.get_invited_rooms_for_user(user_id),
store.get_rooms_for_user(user_id),
], consumeErrors=True)
invites, joins = yield preserve_context_over_deferred(defer.gatherResults([
preserve_fn(store.get_invited_rooms_for_user)(user_id),
preserve_fn(store.get_rooms_for_user)(user_id),
], consumeErrors=True))
my_receipts_by_room = yield store.get_receipts_for_user(
user_id, "m.read",

12
synapse/push/pusherpool.py
View File

@ -17,7 +17,7 @@
from twisted.internet import defer
import pusher
from synapse.util.logcontext import preserve_fn
from synapse.util.logcontext import preserve_fn, preserve_context_over_deferred
from synapse.util.async import run_on_reactor
import logging
@ -130,10 +130,12 @@ class PusherPool:
if u in self.pushers:
for p in self.pushers[u].values():
deferreds.append(
p.on_new_notifications(min_stream_id, max_stream_id)
preserve_fn(p.on_new_notifications)(
min_stream_id, max_stream_id
)
)
yield defer.gatherResults(deferreds)
yield preserve_context_over_deferred(defer.gatherResults(deferreds))
except:
logger.exception("Exception in pusher on_new_notifications")
@ -155,10 +157,10 @@ class PusherPool:
if u in self.pushers:
for p in self.pushers[u].values():
deferreds.append(
p.on_new_receipts(min_stream_id, max_stream_id)
preserve_fn(p.on_new_receipts)(min_stream_id, max_stream_id)
)
yield defer.gatherResults(deferreds)
yield preserve_context_over_deferred(defer.gatherResults(deferreds))
except:
logger.exception("Exception in pusher on_new_receipts")

3
synapse/rest/client/v2_alpha/register.py
View File

@ -403,10 +403,9 @@ class RegisterRestServlet(RestServlet):
# register the user's device
device_id = params.get("device_id")
initial_display_name = params.get("initial_device_display_name")
device_id = self.device_handler.check_device_registered(
return self.device_handler.check_device_registered(
user_id, device_id, initial_display_name
)
return device_id
@defer.inlineCallbacks
def _do_guest_registration(self):

16
synapse/storage/events.py
View File

@ -20,7 +20,9 @@ from synapse.events import FrozenEvent, USE_FROZEN_DICTS
from synapse.events.utils import prune_event
from synapse.util.async import ObservableDeferred
from synapse.util.logcontext import preserve_fn, PreserveLoggingContext
from synapse.util.logcontext import (
preserve_fn, PreserveLoggingContext, preserve_context_over_deferred
)
from synapse.util.logutils import log_function
from synapse.util.metrics import Measure
from synapse.api.constants import EventTypes
@ -202,7 +204,7 @@ class EventsStore(SQLBaseStore):
deferreds = []
for room_id, evs_ctxs in partitioned.items():
d = self._event_persist_queue.add_to_queue(
d = preserve_fn(self._event_persist_queue.add_to_queue)(
room_id, evs_ctxs,
backfilled=backfilled,
current_state=None,
@ -212,7 +214,9 @@ class EventsStore(SQLBaseStore):
for room_id in partitioned.keys():
self._maybe_start_persisting(room_id)
return defer.gatherResults(deferreds, consumeErrors=True)
return preserve_context_over_deferred(
defer.gatherResults(deferreds, consumeErrors=True)
)
@defer.inlineCallbacks
@log_function
@ -225,7 +229,7 @@ class EventsStore(SQLBaseStore):
self._maybe_start_persisting(event.room_id)
yield deferred
yield preserve_context_over_deferred(deferred)
max_persisted_id = yield self._stream_id_gen.get_current_token()
defer.returnValue((event.internal_metadata.stream_ordering, max_persisted_id))
@ -1088,7 +1092,7 @@ class EventsStore(SQLBaseStore):
if not allow_rejected:
rows[:] = [r for r in rows if not r["rejects"]]
res = yield defer.gatherResults(
res = yield preserve_context_over_deferred(defer.gatherResults(
[
preserve_fn(self._get_event_from_row)(
row["internal_metadata"], row["json"], row["redacts"],
@ -1097,7 +1101,7 @@ class EventsStore(SQLBaseStore):
for row in rows
],
consumeErrors=True
)
))
defer.returnValue({
e.event.event_id: e

6
synapse/storage/stream.py
View File

@ -39,7 +39,7 @@ from ._base import SQLBaseStore
from synapse.util.caches.descriptors import cached
from synapse.api.constants import EventTypes
from synapse.types import RoomStreamToken
from synapse.util.logcontext import preserve_fn
from synapse.util.logcontext import preserve_fn, preserve_context_over_deferred
from synapse.storage.engines import PostgresEngine, Sqlite3Engine
import logging
@ -234,12 +234,12 @@ class StreamStore(SQLBaseStore):
results = {}
room_ids = list(room_ids)
for rm_ids in (room_ids[i:i + 20] for i in xrange(0, len(room_ids), 20)):
res = yield defer.gatherResults([
res = yield preserve_context_over_deferred(defer.gatherResults([
preserve_fn(self.get_room_events_stream_for_room)(
room_id, from_key, to_key, limit, order=order,
)
for room_id in rm_ids
])
]))
results.update(dict(zip(rm_ids, res)))
defer.returnValue(results)

9
synapse/util/async.py
View File

@ -146,10 +146,10 @@ def concurrently_execute(func, args, limit):
except StopIteration:
pass
return defer.gatherResults([
return preserve_context_over_deferred(defer.gatherResults([
preserve_fn(_concurrently_execute_inner)()
for _ in xrange(limit)
], consumeErrors=True).addErrback(unwrapFirstError)
], consumeErrors=True)).addErrback(unwrapFirstError)
class Linearizer(object):
@ -181,7 +181,8 @@ class Linearizer(object):
self.key_to_defer[key] = new_defer
if current_defer:
yield preserve_context_over_deferred(current_defer)
with PreserveLoggingContext():
yield current_defer
@contextmanager
def _ctx_manager():
@ -264,7 +265,7 @@ class ReadWriteLock(object):
curr_readers.clear()
self.key_to_current_writer[key] = new_defer
yield defer.gatherResults(to_wait_on)
yield preserve_context_over_deferred(defer.gatherResults(to_wait_on))
@contextmanager
def _ctx_manager():

15
synapse/util/logcontext.py
View File

@ -297,12 +297,13 @@ def preserve_context_over_fn(fn, *args, **kwargs):
return res
def preserve_context_over_deferred(deferred):
def preserve_context_over_deferred(deferred, context=None):
"""Given a deferred wrap it such that any callbacks added later to it will
be invoked with the current context.
"""
current_context = LoggingContext.current_context()
d = _PreservingContextDeferred(current_context)
if context is None:
context = LoggingContext.current_context()
d = _PreservingContextDeferred(context)
deferred.chainDeferred(d)
return d
@ -316,7 +317,13 @@ def preserve_fn(f):
def g(*args, **kwargs):
with PreserveLoggingContext(current):
return f(*args, **kwargs)
res = f(*args, **kwargs)
if isinstance(res, defer.Deferred):
return preserve_context_over_deferred(
res, context=LoggingContext.sentinel
)
else:
return res
return g

6
synapse/visibility.py
View File

@ -17,7 +17,7 @@ from twisted.internet import defer
from synapse.api.constants import Membership, EventTypes
from synapse.util.logcontext import preserve_fn
from synapse.util.logcontext import preserve_fn, preserve_context_over_deferred
import logging
@ -55,12 +55,12 @@ def filter_events_for_clients(store, user_tuples, events, event_id_to_state):
given events
events ([synapse.events.EventBase]): list of events to filter
"""
forgotten = yield defer.gatherResults([
forgotten = yield preserve_context_over_deferred(defer.gatherResults([
preserve_fn(store.who_forgot_in_room)(
room_id,
)
for room_id in frozenset(e.room_id for e in events)
], consumeErrors=True)
], consumeErrors=True))
# Set of membership event_ids that have been forgotten
event_id_forgotten = frozenset(