mirror of
https://mau.dev/maunium/synapse.git
synced 2024-10-01 01:36:05 -04:00
60 lines
2.2 KiB
Python
60 lines
2.2 KiB
Python
|
# -*- coding: utf-8 -*-
|
||
|
|
# Copyright 2016 OpenMarket 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.
|
||
|
|
|
||
|
|
from ._base import BaseSlavedStore
|
||
|
|
from ._slaved_id_tracker import SlavedIdTracker
|
||
|
|
|
||
|
|
from synapse.util.caches.stream_change_cache import StreamChangeCache
|
||
|
|
from synapse.storage import DataStore
|
||
|
|
|
||
|
|
|
||
|
|
class SlavedPresenceStore(BaseSlavedStore):
|
||
|
|
def __init__(self, db_conn, hs):
|
||
|
|
super(SlavedPresenceStore, self).__init__(db_conn, hs)
|
||
|
|
self._presence_id_gen = SlavedIdTracker(
|
||
|
|
db_conn, "presence_stream", "stream_id",
|
||
|
|
)
|
||
|
|
|
||
|
|
self._presence_on_startup = self._get_active_presence(db_conn)
|
||
|
|
|
||
|
|
self.presence_stream_cache = self.presence_stream_cache = StreamChangeCache(
|
||
|
|
"PresenceStreamChangeCache", self._presence_id_gen.get_current_token()
|
||
|
|
)
|
||
|
|
|
||
|
|
_get_active_presence = DataStore._get_active_presence.__func__
|
||
|
|
take_presence_startup_info = DataStore.take_presence_startup_info.__func__
|
||
|
|
get_presence_for_users = DataStore.get_presence_for_users.__func__
|
||
|
|
|
||
|
|
def get_current_presence_token(self):
|
||
|
|
return self._presence_id_gen.get_current_token()
|
||
|
|
|
||
|
|
def stream_positions(self):
|
||
|
|
result = super(SlavedPresenceStore, self).stream_positions()
|
||
|
|
position = self._presence_id_gen.get_current_token()
|
||
|
|
result["presence"] = position
|
||
|
|
return result
|
||
|
|
|
||
|
|
def process_replication(self, result):
|
||
|
|
stream = result.get("presence")
|
||
|
|
if stream:
|
||
|
|
self._presence_id_gen.advance(int(stream["position"]))
|
||
|
|
for row in stream["rows"]:
|
||
|
|
position, user_id = row[:2]
|
||
|
|
self.presence_stream_cache.entity_has_changed(
|
||
|
|
user_id, position
|
||
|
|
)
|
||
|
|
|
||
|
|
return super(SlavedPresenceStore, self).process_replication(result)
|