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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.util.caches.stream_change_cache import StreamChangeCache
class SlavedDeviceStore(BaseSlavedStore):
def __init__(self, db_conn, hs):
super(SlavedDeviceStore, self).__init__(db_conn, hs)
self.hs = hs
self._device_list_id_gen = SlavedIdTracker(
db_conn, "device_lists_stream", "stream_id",
)
device_list_max = self._device_list_id_gen.get_current_token()
self._device_list_stream_cache = StreamChangeCache(
"DeviceListStreamChangeCache", device_list_max,
)
self._device_list_federation_stream_cache = StreamChangeCache(
"DeviceListFederationStreamChangeCache", device_list_max,
)
get_device_stream_token = DataStore.get_device_stream_token.__func__
get_user_whose_devices_changed = DataStore.get_user_whose_devices_changed.__func__
get_devices_by_remote = DataStore.get_devices_by_remote.__func__
_get_devices_by_remote_txn = DataStore._get_devices_by_remote_txn.__func__
_get_e2e_device_keys_txn = DataStore._get_e2e_device_keys_txn.__func__
mark_as_sent_devices_by_remote = DataStore.mark_as_sent_devices_by_remote.__func__
_mark_as_sent_devices_by_remote_txn = (
DataStore._mark_as_sent_devices_by_remote_txn.__func__
)
def stream_positions(self):
result = super(SlavedDeviceStore, self).stream_positions()
result["device_lists"] = self._device_list_id_gen.get_current_token()
return result
def process_replication_rows(self, stream_name, token, rows):
if stream_name == "device_lists":
self._device_list_id_gen.advance(token)
for row in rows:
self._device_list_stream_cache.entity_has_changed(
row.user_id, token
)
if row.destination:
self._device_list_federation_stream_cache.entity_has_changed(
row.destination, token
)
return super(SlavedDeviceStore, self).process_replication_rows(
stream_name, token, rows
)
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