mirror of
https://mau.dev/maunium/synapse.git
synced 2024-08-26 04:05:38 +00:00
129 lines
4.7 KiB
Python
129 lines
4.7 KiB
Python
#
|
|
# This file is licensed under the Affero General Public License (AGPL) version 3.
|
|
#
|
|
# Copyright (C) 2023 New Vector, Ltd
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU Affero General Public License as
|
|
# published by the Free Software Foundation, either version 3 of the
|
|
# License, or (at your option) any later version.
|
|
#
|
|
# See the GNU Affero General Public License for more details:
|
|
# <https://www.gnu.org/licenses/agpl-3.0.html>.
|
|
#
|
|
# Originally licensed under the Apache License, Version 2.0:
|
|
# <http://www.apache.org/licenses/LICENSE-2.0>.
|
|
#
|
|
# [This file includes modifications made by New Vector Limited]
|
|
#
|
|
#
|
|
|
|
from typing import TYPE_CHECKING, Sequence, 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 MultiWriterStreamToken, StreamKeyType, 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) -> Sequence[Tuple[StreamKeyType, EventSource]]:
|
|
return [
|
|
(StreamKeyType.ROOM, self.room),
|
|
(StreamKeyType.PRESENCE, self.presence),
|
|
(StreamKeyType.TYPING, self.typing),
|
|
(StreamKeyType.RECEIPT, self.receipt),
|
|
(StreamKeyType.ACCOUNT_DATA, self.account_data),
|
|
]
|
|
|
|
|
|
class EventSources:
|
|
def __init__(self, hs: "HomeServer"):
|
|
self.sources = _EventSourcesInner(
|
|
# mypy previously warned that attribute.type is `Optional`, but we know it's
|
|
# never `None` here since all the attributes of `_EventSourcesInner` are
|
|
# annotated.
|
|
# As of the stubs in attrs 22.1.0, `attr.fields()` now returns Any,
|
|
# so the call to `attribute.type` is not checked.
|
|
*(attribute.type(hs) for attribute in attr.fields(_EventSourcesInner))
|
|
)
|
|
self.store = hs.get_datastores().main
|
|
self._instance_name = hs.get_instance_name()
|
|
|
|
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()
|
|
un_partial_stated_rooms_key = self.store.get_un_partial_stated_rooms_token(
|
|
self._instance_name
|
|
)
|
|
|
|
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,
|
|
un_partial_stated_rooms_key=un_partial_stated_rooms_key,
|
|
)
|
|
return token
|
|
|
|
@trace
|
|
async def get_start_token_for_pagination(self, room_id: str) -> StreamToken:
|
|
"""Get the start 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 start token for pagination.
|
|
"""
|
|
return StreamToken.START
|
|
|
|
@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=MultiWriterStreamToken(stream=0),
|
|
account_data_key=0,
|
|
push_rules_key=0,
|
|
to_device_key=0,
|
|
device_list_key=0,
|
|
groups_key=0,
|
|
un_partial_stated_rooms_key=0,
|
|
)
|
|
return token
|