synapse-old/synapse/replication/slave/storage/account_data.py

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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 ._base import BaseSlavedStore
from ._slaved_id_tracker import SlavedIdTracker
from synapse.storage import DataStore
from synapse.storage.account_data import AccountDataStore
from synapse.storage.tags import TagsStore
from synapse.util.caches.stream_change_cache import StreamChangeCache
class SlavedAccountDataStore(BaseSlavedStore):
def __init__(self, db_conn, hs):
super(SlavedAccountDataStore, self).__init__(db_conn, hs)
self._account_data_id_gen = SlavedIdTracker(
db_conn, "account_data_max_stream_id", "stream_id",
)
self._account_data_stream_cache = StreamChangeCache(
"AccountDataAndTagsChangeCache",
self._account_data_id_gen.get_current_token(),
)
get_account_data_for_user = (
AccountDataStore.__dict__["get_account_data_for_user"]
)
get_global_account_data_by_type_for_users = (
AccountDataStore.__dict__["get_global_account_data_by_type_for_users"]
)
get_global_account_data_by_type_for_user = (
AccountDataStore.__dict__["get_global_account_data_by_type_for_user"]
)
get_tags_for_user = TagsStore.__dict__["get_tags_for_user"]
get_updated_tags = DataStore.get_updated_tags.__func__
get_updated_account_data_for_user = (
DataStore.get_updated_account_data_for_user.__func__
)
def get_max_account_data_stream_id(self):
return self._account_data_id_gen.get_current_token()
def stream_positions(self):
result = super(SlavedAccountDataStore, self).stream_positions()
position = self._account_data_id_gen.get_current_token()
result["user_account_data"] = position
result["room_account_data"] = position
result["tag_account_data"] = position
return result
def process_replication(self, result):
stream = result.get("user_account_data")
if stream:
self._account_data_id_gen.advance(int(stream["position"]))
for row in stream["rows"]:
position, user_id, data_type = row[:3]
self.get_global_account_data_by_type_for_user.invalidate(
(data_type, user_id,)
)
self.get_account_data_for_user.invalidate((user_id,))
self._account_data_stream_cache.entity_has_changed(
user_id, position
)
stream = result.get("room_account_data")
if stream:
self._account_data_id_gen.advance(int(stream["position"]))
for row in stream["rows"]:
position, user_id = row[:2]
self.get_account_data_for_user.invalidate((user_id,))
self._account_data_stream_cache.entity_has_changed(
user_id, position
)
stream = result.get("tag_account_data")
if stream:
self._account_data_id_gen.advance(int(stream["position"]))
for row in stream["rows"]:
position, user_id = row[:2]
self.get_tags_for_user.invalidate((user_id,))
self._account_data_stream_cache.entity_has_changed(
user_id, position
)
return super(SlavedAccountDataStore, self).process_replication(result)