Matrix-Mirrors/synapse-product
1
0
Fork 0
mirror of https://git.anonymousland.org/anonymousland/synapse-product.git synced 2024-12-22 07:35:00 -05:00
Code Issues Packages Projects Releases Wiki Activity

Track if current_state_events.membership is up to date

Browse Source
This commit is contained in:
Erik Johnston 2019-07-17 16:09:14 +01:00
parent c618a5d348
commit 059d8c1a4e
1 changed files with 45 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
synapse/storage/roommember.py
View File

@ -24,6 +24,8 @@ from canonicaljson import json
from twisted.internet import defer
from synapse.api.constants import EventTypes, Membership
from synapse.metrics.background_process_metrics import run_as_background_process
from synapse.storage._base import LoggingTransaction
from synapse.storage.events_worker import EventsWorkerStore
from synapse.types import get_domain_from_id
from synapse.util.async_helpers import Linearizer
@ -57,6 +59,49 @@ _CURRENT_STATE_MEMBERSHIP_UPDATE_NAME = "current_state_events_membership"
class RoomMemberWorkerStore(EventsWorkerStore):
def __init__(self, db_conn, hs):
super(RoomMemberWorkerStore, self).__init__(db_conn, hs)
# Is the current_state_events.membership up to date? Or is the
# background update still running?
self._current_state_events_membership_up_to_date = False
txn = LoggingTransaction(
db_conn.cursor(),
name="_check_safe_current_state_events_membership_updated",
database_engine=self.database_engine,
after_callbacks=[],
exception_callbacks=[],
)
self._check_safe_current_state_events_membership_updated_txn(txn)
txn.close()
def _check_safe_current_state_events_membership_updated_txn(self, txn):
"""Checks if it is safe to assume the new current_state_events
membership column is up to date
"""
pending_update = self._simple_select_one_txn(
txn,
table="background_updates",
keyvalues={"update_name": _CURRENT_STATE_MEMBERSHIP_UPDATE_NAME},
retcols=["update_name"],
allow_none=True,
)
self._current_state_events_membership_up_to_date = not pending_update
# If the update is still running, reschedule to run.
if pending_update:
self._clock.call_later(
15.0,
run_as_background_process,
"_check_safe_current_state_events_membership_updated",
self.runInteraction,
"_check_safe_current_state_events_membership_updated",
self._check_safe_current_state_events_membership_updated_txn,
)
@cachedInlineCallbacks(max_entries=100000, iterable=True, cache_context=True)
def get_hosts_in_room(self, room_id, cache_context):
"""Returns the set of all hosts currently in the room