1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
# -*- 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 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()
)
get_to_device_stream_token = DataStore.get_to_device_stream_token.__func__
get_new_messages_for_device = DataStore.get_new_messages_for_device.__func__
delete_messages_for_device = DataStore.delete_messages_for_device.__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(self, result):
stream = result.get("to_device")
if stream:
self._device_inbox_id_gen.advance(int(stream["position"]))
for row in stream["rows"]:
stream_id = row[0]
user_id = row[1]
self._device_inbox_stream_cache.entity_has_changed(
user_id, stream_id
)
return super(SlavedDeviceInboxStore, self).process_replication(result)
|
