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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
from synapse.util.caches.expiringcache import ExpiringCache
class SlavedDeviceInboxStore(BaseSlavedStore):
def __init__(self, db_conn, hs):
super(SlavedDeviceInboxStore, self).__init__(db_conn, hs)
self._device_inbox_id_gen = SlavedIdTracker(
db_conn, "device_max_stream_id", "stream_id",
)
self._device_inbox_stream_cache = StreamChangeCache(
"DeviceInboxStreamChangeCache",
self._device_inbox_id_gen.get_current_token()
)
self._device_federation_outbox_stream_cache = StreamChangeCache(
"DeviceFederationOutboxStreamChangeCache",
self._device_inbox_id_gen.get_current_token()
)
self._last_device_delete_cache = ExpiringCache(
cache_name="last_device_delete_cache",
clock=self._clock,
max_len=10000,
expiry_ms=30 * 60 * 1000,
)
get_to_device_stream_token = DataStore.get_to_device_stream_token.__func__
get_new_messages_for_device = DataStore.get_new_messages_for_device.__func__
get_new_device_msgs_for_remote = DataStore.get_new_device_msgs_for_remote.__func__
delete_messages_for_device = DataStore.delete_messages_for_device.__func__
delete_device_msgs_for_remote = DataStore.delete_device_msgs_for_remote.__func__
def stream_positions(self):
result = super(SlavedDeviceInboxStore, self).stream_positions()
result["to_device"] = self._device_inbox_id_gen.get_current_token()
return result
def process_replication_rows(self, stream_name, token, rows):
if stream_name == "to_device":
self._device_inbox_id_gen.advance(token)
for row in rows:
if row.entity.startswith("@"):
self._device_inbox_stream_cache.entity_has_changed(
row.entity, token
)
else:
self._device_federation_outbox_stream_cache.entity_has_changed(
row.entity, token
)
return super(SlavedDeviceInboxStore, self).process_replication_rows(
stream_name, token, rows
)
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