diff options
| -rw-r--r-- | synapse/replication/slave/storage/presence.py | 59 | ||||
| -rw-r--r-- | synapse/storage/__init__.py | 6 |
2 files changed, 62 insertions, 3 deletions
diff --git a/synapse/replication/slave/storage/presence.py b/synapse/replication/slave/storage/presence.py new file mode 100644 index 0000000000..703f4a49bf --- /dev/null +++ b/synapse/replication/slave/storage/presence.py @@ -0,0 +1,59 @@ +# -*- 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.util.caches.stream_change_cache import StreamChangeCache +from synapse.storage import DataStore + + +class SlavedPresenceStore(BaseSlavedStore): + def __init__(self, db_conn, hs): + super(SlavedPresenceStore, self).__init__(db_conn, hs) + self._presence_id_gen = SlavedIdTracker( + db_conn, "presence_stream", "stream_id", + ) + + self._presence_on_startup = self._get_active_presence(db_conn) + + self.presence_stream_cache = self.presence_stream_cache = StreamChangeCache( + "PresenceStreamChangeCache", self._presence_id_gen.get_current_token() + ) + + _get_active_presence = DataStore._get_active_presence.__func__ + take_presence_startup_info = DataStore.take_presence_startup_info.__func__ + get_presence_for_users = DataStore.get_presence_for_users.__func__ + + def get_current_presence_token(self): + return self._presence_id_gen.get_current_token() + + def stream_positions(self): + result = super(SlavedPresenceStore, self).stream_positions() + position = self._presence_id_gen.get_current_token() + result["presence"] = position + return result + + def process_replication(self, result): + stream = result.get("presence") + if stream: + self._presence_id_gen.advance(int(stream["position"])) + for row in stream["rows"]: + position, user_id = row[:2] + self.presence_stream_cache.entity_has_changed( + user_id, position + ) + + return super(SlavedPresenceStore, self).process_replication(result) diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py index 8581796b7e..6928a213e8 100644 --- a/synapse/storage/__init__.py +++ b/synapse/storage/__init__.py @@ -149,7 +149,7 @@ class DataStore(RoomMemberStore, RoomStore, "AccountDataAndTagsChangeCache", account_max, ) - self.__presence_on_startup = self._get_active_presence(db_conn) + self._presence_on_startup = self._get_active_presence(db_conn) presence_cache_prefill, min_presence_val = self._get_cache_dict( db_conn, "presence_stream", @@ -190,8 +190,8 @@ class DataStore(RoomMemberStore, RoomStore, super(DataStore, self).__init__(hs) def take_presence_startup_info(self): - active_on_startup = self.__presence_on_startup - self.__presence_on_startup = None + active_on_startup = self._presence_on_startup + self._presence_on_startup = None return active_on_startup def _get_active_presence(self, db_conn): |