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# -*- coding: utf-8 -*-
# Copyright 2018, 2019 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import logging
from synapse.storage.state_deltas import StateDeltasStore
logger = logging.getLogger(__name__)
# these fields track absolutes (e.g. total number of rooms on the server)
ABSOLUTE_STATS_FIELDS = {
"room": (
"current_state_events",
"joined_members",
"invited_members",
"left_members",
"banned_members",
"state_events",
),
"user": ("public_rooms", "private_rooms"),
}
TYPE_TO_ROOM = {"room": ("room_stats", "room_id"), "user": ("user_stats", "user_id")}
class StatsStore(StateDeltasStore):
def __init__(self, db_conn, hs):
super(StatsStore, self).__init__(db_conn, hs)
self.server_name = hs.hostname
self.clock = self.hs.get_clock()
self.stats_enabled = hs.config.stats_enabled
self.stats_bucket_size = hs.config.stats_bucket_size
self.register_noop_background_update("populate_stats_createtables")
self.register_noop_background_update("populate_stats_process_rooms")
self.register_noop_background_update("populate_stats_cleanup")
def update_room_state(self, room_id, fields):
"""
Args:
room_id (str)
fields (dict[str:Any])
"""
# For whatever reason some of the fields may contain null bytes, which
# postgres isn't a fan of, so we replace those fields with null.
for col in (
"join_rules",
"history_visibility",
"encryption",
"name",
"topic",
"avatar",
"canonical_alias",
):
field = fields.get(col)
if field and "\0" in field:
fields[col] = None
return self._simple_upsert(
table="room_state",
keyvalues={"room_id": room_id},
values=fields,
desc="update_room_state",
)
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