mirror of
https://git.anonymousland.org/anonymousland/synapse.git
synced 2024-10-01 11:49:51 -04:00
92d21faf12
In Jaeger: - Before: huge list of uncategorized database calls - After: nice and collapsible into units of work
96 lines
3.5 KiB
Python
96 lines
3.5 KiB
Python
# Copyright 2014-2016 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 typing import TYPE_CHECKING, Iterator, Tuple
|
|
|
|
import attr
|
|
|
|
from synapse.handlers.account_data import AccountDataEventSource
|
|
from synapse.handlers.presence import PresenceEventSource
|
|
from synapse.handlers.receipts import ReceiptEventSource
|
|
from synapse.handlers.room import RoomEventSource
|
|
from synapse.handlers.typing import TypingNotificationEventSource
|
|
from synapse.logging.opentracing import trace
|
|
from synapse.streams import EventSource
|
|
from synapse.types import StreamToken
|
|
|
|
if TYPE_CHECKING:
|
|
from synapse.server import HomeServer
|
|
|
|
|
|
@attr.s(frozen=True, slots=True, auto_attribs=True)
|
|
class _EventSourcesInner:
|
|
room: RoomEventSource
|
|
presence: PresenceEventSource
|
|
typing: TypingNotificationEventSource
|
|
receipt: ReceiptEventSource
|
|
account_data: AccountDataEventSource
|
|
|
|
def get_sources(self) -> Iterator[Tuple[str, EventSource]]:
|
|
for attribute in attr.fields(_EventSourcesInner):
|
|
yield attribute.name, getattr(self, attribute.name)
|
|
|
|
|
|
class EventSources:
|
|
def __init__(self, hs: "HomeServer"):
|
|
self.sources = _EventSourcesInner(
|
|
# mypy thinks attribute.type is `Optional`, but we know it's never `None` here since
|
|
# all the attributes of `_EventSourcesInner` are annotated.
|
|
*(attribute.type(hs) for attribute in attr.fields(_EventSourcesInner)) # type: ignore[misc]
|
|
)
|
|
self.store = hs.get_datastores().main
|
|
|
|
def get_current_token(self) -> StreamToken:
|
|
push_rules_key = self.store.get_max_push_rules_stream_id()
|
|
to_device_key = self.store.get_to_device_stream_token()
|
|
device_list_key = self.store.get_device_stream_token()
|
|
|
|
token = StreamToken(
|
|
room_key=self.sources.room.get_current_key(),
|
|
presence_key=self.sources.presence.get_current_key(),
|
|
typing_key=self.sources.typing.get_current_key(),
|
|
receipt_key=self.sources.receipt.get_current_key(),
|
|
account_data_key=self.sources.account_data.get_current_key(),
|
|
push_rules_key=push_rules_key,
|
|
to_device_key=to_device_key,
|
|
device_list_key=device_list_key,
|
|
# Groups key is unused.
|
|
groups_key=0,
|
|
)
|
|
return token
|
|
|
|
@trace
|
|
async def get_current_token_for_pagination(self, room_id: str) -> StreamToken:
|
|
"""Get the current token for a given room to be used to paginate
|
|
events.
|
|
|
|
The returned token does not have the current values for fields other
|
|
than `room`, since they are not used during pagination.
|
|
|
|
Returns:
|
|
The current token for pagination.
|
|
"""
|
|
token = StreamToken(
|
|
room_key=await self.sources.room.get_current_key_for_room(room_id),
|
|
presence_key=0,
|
|
typing_key=0,
|
|
receipt_key=0,
|
|
account_data_key=0,
|
|
push_rules_key=0,
|
|
to_device_key=0,
|
|
device_list_key=0,
|
|
groups_key=0,
|
|
)
|
|
return token
|