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- # -*- 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 synapse.replication.slave.storage._base import BaseSlavedStore
- from synapse.replication.slave.storage._slaved_id_tracker import SlavedIdTracker
- from synapse.replication.tcp.streams import GroupServerStream
- from synapse.storage.database import DatabasePool
- from synapse.storage.databases.main.group_server import GroupServerWorkerStore
- from synapse.util.caches.stream_change_cache import StreamChangeCache
- class SlavedGroupServerStore(GroupServerWorkerStore, BaseSlavedStore):
- def __init__(self, database: DatabasePool, db_conn, hs):
- super(SlavedGroupServerStore, self).__init__(database, db_conn, hs)
- self.hs = hs
- self._group_updates_id_gen = SlavedIdTracker(
- db_conn, "local_group_updates", "stream_id"
- )
- self._group_updates_stream_cache = StreamChangeCache(
- "_group_updates_stream_cache",
- self._group_updates_id_gen.get_current_token(),
- )
- def get_group_stream_token(self):
- return self._group_updates_id_gen.get_current_token()
- def process_replication_rows(self, stream_name, instance_name, token, rows):
- if stream_name == GroupServerStream.NAME:
- self._group_updates_id_gen.advance(token)
- for row in rows:
- self._group_updates_stream_cache.entity_has_changed(row.user_id, token)
- return super().process_replication_rows(stream_name, instance_name, token, rows)
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