MatrixSynapse/synapse/replication/slave/storage/receipts.py

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# -*- coding: utf-8 -*-
# Copyright 2016 OpenMarket Ltd
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# Copyright 2018 New Vector Ltd
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#
# 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.tcp.streams import ReceiptsStream
from synapse.storage.database import DatabasePool
from synapse.storage.databases.main.receipts import ReceiptsWorkerStore
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from ._base import BaseSlavedStore
from ._slaved_id_tracker import SlavedIdTracker
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class SlavedReceiptsStore(ReceiptsWorkerStore, BaseSlavedStore):
def __init__(self, database: DatabasePool, db_conn, hs):
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# We instantiate this first as the ReceiptsWorkerStore constructor
# needs to be able to call get_max_receipt_stream_id
self._receipts_id_gen = SlavedIdTracker(
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db_conn, "receipts_linearized", "stream_id"
)
super().__init__(database, db_conn, hs)
def get_max_receipt_stream_id(self):
return self._receipts_id_gen.get_current_token()
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def invalidate_caches_for_receipt(self, room_id, receipt_type, user_id):
self.get_receipts_for_user.invalidate((user_id, receipt_type))
self._get_linearized_receipts_for_room.invalidate_many((room_id,))
self.get_last_receipt_event_id_for_user.invalidate(
(user_id, room_id, receipt_type)
)
self._invalidate_get_users_with_receipts_in_room(room_id, receipt_type, user_id)
self.get_receipts_for_room.invalidate((room_id, receipt_type))
def process_replication_rows(self, stream_name, instance_name, token, rows):
if stream_name == ReceiptsStream.NAME:
self._receipts_id_gen.advance(instance_name, token)
for row in rows:
self.invalidate_caches_for_receipt(
row.room_id, row.receipt_type, row.user_id
)
self._receipts_stream_cache.entity_has_changed(row.room_id, token)
return super().process_replication_rows(stream_name, instance_name, token, rows)