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# Copyright 2017 Vector Creations Ltd
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# Copyright 2019 New Vector Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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2020-05-15 12:03:25 -06:00
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import heapq
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import logging
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from typing import (
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TYPE_CHECKING,
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Any,
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Awaitable,
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Callable,
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List,
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Optional,
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Tuple,
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TypeVar,
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)
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2020-01-22 03:37:00 -07:00
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import attr
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2020-03-25 08:54:01 -06:00
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from synapse.replication.http.streams import ReplicationGetStreamUpdates
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from synapse.types import JsonDict
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if TYPE_CHECKING:
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from synapse.server import HomeServer
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logger = logging.getLogger(__name__)
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2020-04-23 08:45:12 -06:00
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# the number of rows to request from an update_function.
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_STREAM_UPDATE_TARGET_ROW_COUNT = 100
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# Some type aliases to make things a bit easier.
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# A stream position token
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Token = int
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# The type of a stream update row, after JSON deserialisation, but before
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# parsing with Stream.parse_row (which turns it into a `ROW_TYPE`). Normally it's
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# just a row from a database query, though this is dependent on the stream in question.
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#
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StreamRow = TypeVar("StreamRow", bound=Tuple)
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# The type returned by the update_function of a stream, as well as get_updates(),
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# get_updates_since, etc.
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#
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# It consists of a triplet `(updates, new_last_token, limited)`, where:
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# * `updates` is a list of `(token, row)` entries.
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# * `new_last_token` is the new position in stream.
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# * `limited` is whether there are more updates to fetch.
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#
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StreamUpdateResult = Tuple[List[Tuple[Token, StreamRow]], Token, bool]
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# The type of an update_function for a stream
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#
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# The arguments are:
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#
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# * instance_name: the writer of the stream
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# * from_token: the previous stream token: the starting point for fetching the
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# updates
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# * to_token: the new stream token: the point to get updates up to
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# * target_row_count: a target for the number of rows to be returned.
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#
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# The update_function is expected to return up to _approximately_ target_row_count rows.
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# If there are more updates available, it should set `limited` in the result, and
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# it will be called again to get the next batch.
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#
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UpdateFunction = Callable[[str, Token, Token, int], Awaitable[StreamUpdateResult]]
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class Stream:
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"""Base class for the streams.
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Provides a `get_updates()` function that returns new updates since the last
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time it was called.
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"""
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NAME: str # The name of the stream
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# The type of the row. Used by the default impl of parse_row.
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ROW_TYPE: Any = None
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@classmethod
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def parse_row(cls, row: StreamRow) -> Any:
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"""Parse a row received over replication
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By default, assumes that the row data is an array object and passes its contents
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to the constructor of the ROW_TYPE for this stream.
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Args:
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row: row data from the incoming RDATA command, after json decoding
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Returns:
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ROW_TYPE object for this stream
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"""
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return cls.ROW_TYPE(*row)
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def __init__(
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self,
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local_instance_name: str,
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current_token_function: Callable[[str], Token],
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update_function: UpdateFunction,
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):
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"""Instantiate a Stream
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`current_token_function` and `update_function` are callbacks which
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should be implemented by subclasses.
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`current_token_function` takes an instance name, which is a writer to
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the stream, and returns the position in the stream of the writer (as
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viewed from the current process). On the writer process this is where
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the writer has successfully written up to, whereas on other processes
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this is the position which we have received updates up to over
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replication. (Note that most streams have a single writer and so their
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implementations ignore the instance name passed in).
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`update_function` is called to get updates for this stream between a
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pair of stream tokens. See the `UpdateFunction` type definition for more
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info.
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Args:
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local_instance_name: The instance name of the current process
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current_token_function: callback to get the current token, as above
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update_function: callback go get stream updates, as above
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"""
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self.local_instance_name = local_instance_name
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self.current_token = current_token_function
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self.update_function = update_function
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# The token from which we last asked for updates
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self.last_token = self.current_token(self.local_instance_name)
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def discard_updates_and_advance(self) -> None:
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"""Called when the stream should advance but the updates would be discarded,
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e.g. when there are no currently connected workers.
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"""
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self.last_token = self.current_token(self.local_instance_name)
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async def get_updates(self) -> StreamUpdateResult:
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"""Gets all updates since the last time this function was called (or
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since the stream was constructed if it hadn't been called before).
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Returns:
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A triplet `(updates, new_last_token, limited)`, where `updates` is
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a list of `(token, row)` entries, `new_last_token` is the new
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position in stream, and `limited` is whether there are more updates
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to fetch.
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"""
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current_token = self.current_token(self.local_instance_name)
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updates, current_token, limited = await self.get_updates_since(
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self.local_instance_name, self.last_token, current_token
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)
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self.last_token = current_token
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return updates, current_token, limited
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async def get_updates_since(
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self, instance_name: str, from_token: Token, upto_token: Token
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) -> StreamUpdateResult:
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"""Like get_updates except allows specifying from when we should
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stream updates
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Returns:
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A triplet `(updates, new_last_token, limited)`, where `updates` is
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a list of `(token, row)` entries, `new_last_token` is the new
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position in stream, and `limited` is whether there are more updates
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to fetch.
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"""
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from_token = int(from_token)
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if from_token == upto_token:
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return [], upto_token, False
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updates, upto_token, limited = await self.update_function(
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instance_name,
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from_token,
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upto_token,
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_STREAM_UPDATE_TARGET_ROW_COUNT,
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)
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return updates, upto_token, limited
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def current_token_without_instance(
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current_token: Callable[[], int]
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) -> Callable[[str], int]:
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"""Takes a current token callback function for a single writer stream
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that doesn't take an instance name parameter and wraps it in a function that
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does accept an instance name parameter but ignores it.
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"""
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return lambda instance_name: current_token()
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def make_http_update_function(hs: "HomeServer", stream_name: str) -> UpdateFunction:
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"""Makes a suitable function for use as an `update_function` that queries
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the master process for updates.
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"""
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client = ReplicationGetStreamUpdates.make_client(hs)
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async def update_function(
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instance_name: str, from_token: int, upto_token: int, limit: int
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) -> StreamUpdateResult:
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result = await client(
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instance_name=instance_name,
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stream_name=stream_name,
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from_token=from_token,
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upto_token=upto_token,
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)
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return result["updates"], result["upto_token"], result["limited"]
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return update_function
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class BackfillStream(Stream):
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"""We fetched some old events and either we had never seen that event before
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or it went from being an outlier to not.
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"""
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@attr.s(slots=True, frozen=True, auto_attribs=True)
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class BackfillStreamRow:
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event_id: str
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room_id: str
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type: str
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state_key: Optional[str]
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redacts: Optional[str]
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relates_to: Optional[str]
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NAME = "backfill"
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ROW_TYPE = BackfillStreamRow
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def __init__(self, hs: "HomeServer"):
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self.store = hs.get_datastores().main
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super().__init__(
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hs.get_instance_name(),
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self._current_token,
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self.store.get_all_new_backfill_event_rows,
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)
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def _current_token(self, instance_name: str) -> int:
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# The backfill stream over replication operates on *positive* numbers,
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# which means we need to negate it.
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return -self.store._backfill_id_gen.get_current_token_for_writer(instance_name)
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class PresenceStream(Stream):
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@attr.s(slots=True, frozen=True, auto_attribs=True)
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class PresenceStreamRow:
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user_id: str
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state: str
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last_active_ts: int
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last_federation_update_ts: int
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last_user_sync_ts: int
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status_msg: str
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currently_active: bool
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NAME = "presence"
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ROW_TYPE = PresenceStreamRow
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def __init__(self, hs: "HomeServer"):
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store = hs.get_datastores().main
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if hs.get_instance_name() in hs.config.worker.writers.presence:
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# on the presence writer, query the presence handler
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presence_handler = hs.get_presence_handler()
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from synapse.handlers.presence import PresenceHandler
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assert isinstance(presence_handler, PresenceHandler)
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update_function: UpdateFunction = presence_handler.get_all_presence_updates
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else:
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# Query presence writer process
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update_function = make_http_update_function(hs, self.NAME)
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super().__init__(
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|
hs.get_instance_name(),
|
|
|
|
current_token_without_instance(store.get_current_presence_token),
|
|
|
|
update_function,
|
2020-05-01 10:19:56 -06:00
|
|
|
)
|
2017-03-27 07:58:26 -06:00
|
|
|
|
|
|
|
|
2021-04-20 07:11:24 -06:00
|
|
|
class PresenceFederationStream(Stream):
|
|
|
|
"""A stream used to send ad hoc presence updates over federation.
|
|
|
|
|
|
|
|
Streams the remote destination and the user ID of the presence state to
|
|
|
|
send.
|
|
|
|
"""
|
|
|
|
|
2021-12-30 11:47:12 -07:00
|
|
|
@attr.s(slots=True, frozen=True, auto_attribs=True)
|
2021-04-20 07:11:24 -06:00
|
|
|
class PresenceFederationStreamRow:
|
|
|
|
destination: str
|
|
|
|
user_id: str
|
|
|
|
|
|
|
|
NAME = "presence_federation"
|
|
|
|
ROW_TYPE = PresenceFederationStreamRow
|
|
|
|
|
|
|
|
def __init__(self, hs: "HomeServer"):
|
|
|
|
federation_queue = hs.get_presence_handler().get_federation_queue()
|
|
|
|
super().__init__(
|
|
|
|
hs.get_instance_name(),
|
|
|
|
federation_queue.get_current_token,
|
|
|
|
federation_queue.get_replication_rows,
|
|
|
|
)
|
|
|
|
|
|
|
|
|
2017-03-27 07:58:26 -06:00
|
|
|
class TypingStream(Stream):
|
2021-12-30 11:47:12 -07:00
|
|
|
@attr.s(slots=True, frozen=True, auto_attribs=True)
|
|
|
|
class TypingStreamRow:
|
2022-03-11 07:00:15 -07:00
|
|
|
"""
|
|
|
|
An entry in the typing stream.
|
|
|
|
Describes all the users that are 'typing' right now in one room.
|
|
|
|
|
|
|
|
When a user stops typing, it will be streamed as a new update with that
|
|
|
|
user absent; you can think of the `user_ids` list as overwriting the
|
|
|
|
entire list that was there previously.
|
|
|
|
"""
|
|
|
|
|
|
|
|
# The room that this update is for.
|
2021-12-30 11:47:12 -07:00
|
|
|
room_id: str
|
2022-03-11 07:00:15 -07:00
|
|
|
|
|
|
|
# All the users that are 'typing' right now in the specified room.
|
2021-12-30 11:47:12 -07:00
|
|
|
user_ids: List[str]
|
2020-03-23 07:59:11 -06:00
|
|
|
|
2017-03-27 07:58:26 -06:00
|
|
|
NAME = "typing"
|
|
|
|
ROW_TYPE = TypingStreamRow
|
|
|
|
|
2021-03-17 09:30:21 -06:00
|
|
|
def __init__(self, hs: "HomeServer"):
|
2021-11-03 08:25:47 -06:00
|
|
|
if hs.get_instance_name() in hs.config.worker.writers.typing:
|
2020-07-16 08:12:54 -06:00
|
|
|
# On the writer, query the typing handler
|
2021-03-17 09:30:21 -06:00
|
|
|
typing_writer_handler = hs.get_typing_writer_handler()
|
2021-07-15 04:02:43 -06:00
|
|
|
update_function: Callable[
|
|
|
|
[str, int, int, int], Awaitable[Tuple[List[Tuple[int, Any]], int, bool]]
|
|
|
|
] = typing_writer_handler.get_all_typing_updates
|
2021-03-17 09:30:21 -06:00
|
|
|
current_token_function = typing_writer_handler.get_current_token
|
2020-03-25 08:54:01 -06:00
|
|
|
else:
|
2020-07-16 08:12:54 -06:00
|
|
|
# Query the typing writer process
|
2020-04-17 07:49:55 -06:00
|
|
|
update_function = make_http_update_function(hs, self.NAME)
|
2021-03-17 09:30:21 -06:00
|
|
|
current_token_function = hs.get_typing_handler().get_current_token
|
2017-03-27 07:58:26 -06:00
|
|
|
|
2020-05-01 10:19:56 -06:00
|
|
|
super().__init__(
|
2020-05-07 06:51:08 -06:00
|
|
|
hs.get_instance_name(),
|
2021-03-17 09:30:21 -06:00
|
|
|
current_token_without_instance(current_token_function),
|
2020-05-07 06:51:08 -06:00
|
|
|
update_function,
|
2020-05-01 10:19:56 -06:00
|
|
|
)
|
2017-03-27 07:58:26 -06:00
|
|
|
|
|
|
|
|
|
|
|
class ReceiptsStream(Stream):
|
2021-12-30 11:47:12 -07:00
|
|
|
@attr.s(slots=True, frozen=True, auto_attribs=True)
|
|
|
|
class ReceiptsStreamRow:
|
|
|
|
room_id: str
|
|
|
|
receipt_type: str
|
|
|
|
user_id: str
|
|
|
|
event_id: str
|
2022-09-23 08:33:28 -06:00
|
|
|
thread_id: Optional[str]
|
2021-12-30 11:47:12 -07:00
|
|
|
data: dict
|
2020-03-23 07:59:11 -06:00
|
|
|
|
2017-03-27 07:58:26 -06:00
|
|
|
NAME = "receipts"
|
|
|
|
ROW_TYPE = ReceiptsStreamRow
|
|
|
|
|
2021-10-22 11:15:41 -06:00
|
|
|
def __init__(self, hs: "HomeServer"):
|
2022-02-23 04:04:02 -07:00
|
|
|
store = hs.get_datastores().main
|
2020-04-17 07:49:55 -06:00
|
|
|
super().__init__(
|
2020-05-01 10:19:56 -06:00
|
|
|
hs.get_instance_name(),
|
2020-05-07 06:51:08 -06:00
|
|
|
current_token_without_instance(store.get_max_receipt_stream_id),
|
2020-06-16 10:10:28 -06:00
|
|
|
store.get_all_updated_receipts,
|
2020-04-17 07:49:55 -06:00
|
|
|
)
|
2017-03-27 07:58:26 -06:00
|
|
|
|
|
|
|
|
|
|
|
class PushRulesStream(Stream):
|
|
|
|
"""A user has changed their push rules"""
|
2019-06-20 03:32:02 -06:00
|
|
|
|
2021-12-30 11:47:12 -07:00
|
|
|
@attr.s(slots=True, frozen=True, auto_attribs=True)
|
|
|
|
class PushRulesStreamRow:
|
|
|
|
user_id: str
|
2020-03-23 07:59:11 -06:00
|
|
|
|
2017-03-27 07:58:26 -06:00
|
|
|
NAME = "push_rules"
|
|
|
|
ROW_TYPE = PushRulesStreamRow
|
|
|
|
|
2021-10-22 11:15:41 -06:00
|
|
|
def __init__(self, hs: "HomeServer"):
|
2022-02-23 04:04:02 -07:00
|
|
|
self.store = hs.get_datastores().main
|
2020-06-16 10:10:28 -06:00
|
|
|
|
2020-09-18 07:56:44 -06:00
|
|
|
super().__init__(
|
2020-06-16 10:10:28 -06:00
|
|
|
hs.get_instance_name(),
|
|
|
|
self._current_token,
|
|
|
|
self.store.get_all_push_rule_updates,
|
2020-04-17 07:49:55 -06:00
|
|
|
)
|
2017-03-27 07:58:26 -06:00
|
|
|
|
2020-05-07 06:51:08 -06:00
|
|
|
def _current_token(self, instance_name: str) -> int:
|
2020-08-19 06:41:51 -06:00
|
|
|
push_rules_token = self.store.get_max_push_rules_stream_id()
|
2017-03-27 07:58:26 -06:00
|
|
|
return push_rules_token
|
|
|
|
|
|
|
|
|
|
|
|
class PushersStream(Stream):
|
|
|
|
"""A user has added/changed/removed a pusher"""
|
2019-06-20 03:32:02 -06:00
|
|
|
|
2021-12-30 11:47:12 -07:00
|
|
|
@attr.s(slots=True, frozen=True, auto_attribs=True)
|
|
|
|
class PushersStreamRow:
|
|
|
|
user_id: str
|
|
|
|
app_id: str
|
|
|
|
pushkey: str
|
|
|
|
deleted: bool
|
2020-03-23 07:59:11 -06:00
|
|
|
|
2017-03-27 07:58:26 -06:00
|
|
|
NAME = "pushers"
|
|
|
|
ROW_TYPE = PushersStreamRow
|
|
|
|
|
2021-10-22 11:15:41 -06:00
|
|
|
def __init__(self, hs: "HomeServer"):
|
2022-02-23 04:04:02 -07:00
|
|
|
store = hs.get_datastores().main
|
2017-03-27 07:58:26 -06:00
|
|
|
|
2020-04-17 07:49:55 -06:00
|
|
|
super().__init__(
|
2020-05-01 10:19:56 -06:00
|
|
|
hs.get_instance_name(),
|
2020-05-07 06:51:08 -06:00
|
|
|
current_token_without_instance(store.get_pushers_stream_token),
|
2020-07-07 05:11:35 -06:00
|
|
|
store.get_all_updated_pushers_rows,
|
2020-04-17 07:49:55 -06:00
|
|
|
)
|
2017-03-27 07:58:26 -06:00
|
|
|
|
|
|
|
|
|
|
|
class CachesStream(Stream):
|
|
|
|
"""A cache was invalidated on the master and no other stream would invalidate
|
|
|
|
the cache on the workers
|
|
|
|
"""
|
2019-06-20 03:32:02 -06:00
|
|
|
|
2021-12-30 11:47:12 -07:00
|
|
|
@attr.s(slots=True, frozen=True, auto_attribs=True)
|
2020-03-23 07:59:11 -06:00
|
|
|
class CachesStreamRow:
|
|
|
|
"""Stream to inform workers they should invalidate their cache.
|
|
|
|
|
|
|
|
Attributes:
|
|
|
|
cache_func: Name of the cached function.
|
|
|
|
keys: The entry in the cache to invalidate. If None then will
|
|
|
|
invalidate all.
|
|
|
|
invalidation_ts: Timestamp of when the invalidation took place.
|
|
|
|
"""
|
|
|
|
|
2021-12-30 11:47:12 -07:00
|
|
|
cache_func: str
|
|
|
|
keys: Optional[List[Any]]
|
|
|
|
invalidation_ts: int
|
2020-03-23 07:59:11 -06:00
|
|
|
|
2017-03-27 07:58:26 -06:00
|
|
|
NAME = "caches"
|
|
|
|
ROW_TYPE = CachesStreamRow
|
|
|
|
|
2021-10-22 11:15:41 -06:00
|
|
|
def __init__(self, hs: "HomeServer"):
|
2022-02-23 04:04:02 -07:00
|
|
|
store = hs.get_datastores().main
|
2020-04-17 07:49:55 -06:00
|
|
|
super().__init__(
|
2020-05-01 10:19:56 -06:00
|
|
|
hs.get_instance_name(),
|
2020-08-19 03:39:31 -06:00
|
|
|
store.get_cache_stream_token_for_writer,
|
2020-07-07 05:11:35 -06:00
|
|
|
store.get_all_updated_caches,
|
2020-04-17 07:49:55 -06:00
|
|
|
)
|
2017-03-27 07:58:26 -06:00
|
|
|
|
|
|
|
|
|
|
|
class DeviceListsStream(Stream):
|
2020-02-28 04:24:05 -07:00
|
|
|
"""Either a user has updated their devices or a remote server needs to be
|
|
|
|
told about a device update.
|
2017-03-27 07:58:26 -06:00
|
|
|
"""
|
2019-06-20 03:32:02 -06:00
|
|
|
|
2021-12-30 11:47:12 -07:00
|
|
|
@attr.s(slots=True, frozen=True, auto_attribs=True)
|
2020-03-23 07:59:11 -06:00
|
|
|
class DeviceListsStreamRow:
|
2021-12-30 11:47:12 -07:00
|
|
|
entity: str
|
2020-03-23 07:59:11 -06:00
|
|
|
|
2017-03-27 07:58:26 -06:00
|
|
|
NAME = "device_lists"
|
|
|
|
ROW_TYPE = DeviceListsStreamRow
|
|
|
|
|
2021-10-22 11:15:41 -06:00
|
|
|
def __init__(self, hs: "HomeServer"):
|
2022-02-23 04:04:02 -07:00
|
|
|
store = hs.get_datastores().main
|
2020-04-17 07:49:55 -06:00
|
|
|
super().__init__(
|
2020-05-01 10:19:56 -06:00
|
|
|
hs.get_instance_name(),
|
2020-05-07 06:51:08 -06:00
|
|
|
current_token_without_instance(store.get_device_stream_token),
|
2020-07-07 05:11:35 -06:00
|
|
|
store.get_all_device_list_changes_for_remotes,
|
2020-04-17 07:49:55 -06:00
|
|
|
)
|
2017-03-27 07:58:26 -06:00
|
|
|
|
|
|
|
|
|
|
|
class ToDeviceStream(Stream):
|
|
|
|
"""New to_device messages for a client"""
|
2019-06-20 03:32:02 -06:00
|
|
|
|
2021-12-30 11:47:12 -07:00
|
|
|
@attr.s(slots=True, frozen=True, auto_attribs=True)
|
|
|
|
class ToDeviceStreamRow:
|
|
|
|
entity: str
|
2020-03-23 07:59:11 -06:00
|
|
|
|
2017-03-27 07:58:26 -06:00
|
|
|
NAME = "to_device"
|
|
|
|
ROW_TYPE = ToDeviceStreamRow
|
|
|
|
|
2021-10-22 11:15:41 -06:00
|
|
|
def __init__(self, hs: "HomeServer"):
|
2022-02-23 04:04:02 -07:00
|
|
|
store = hs.get_datastores().main
|
2020-04-17 07:49:55 -06:00
|
|
|
super().__init__(
|
2020-05-01 10:19:56 -06:00
|
|
|
hs.get_instance_name(),
|
2020-05-07 06:51:08 -06:00
|
|
|
current_token_without_instance(store.get_to_device_stream_token),
|
2020-07-07 05:11:35 -06:00
|
|
|
store.get_all_new_device_messages,
|
2020-04-17 07:49:55 -06:00
|
|
|
)
|
2017-03-27 07:58:26 -06:00
|
|
|
|
|
|
|
|
|
|
|
class TagAccountDataStream(Stream):
|
|
|
|
"""Someone added/removed a tag for a room"""
|
2019-06-20 03:32:02 -06:00
|
|
|
|
2021-12-30 11:47:12 -07:00
|
|
|
@attr.s(slots=True, frozen=True, auto_attribs=True)
|
|
|
|
class TagAccountDataStreamRow:
|
|
|
|
user_id: str
|
|
|
|
room_id: str
|
|
|
|
data: JsonDict
|
2020-03-23 07:59:11 -06:00
|
|
|
|
2017-03-27 07:58:26 -06:00
|
|
|
NAME = "tag_account_data"
|
|
|
|
ROW_TYPE = TagAccountDataStreamRow
|
|
|
|
|
2021-10-22 11:15:41 -06:00
|
|
|
def __init__(self, hs: "HomeServer"):
|
2022-02-23 04:04:02 -07:00
|
|
|
store = hs.get_datastores().main
|
2020-04-17 07:49:55 -06:00
|
|
|
super().__init__(
|
2020-05-01 10:19:56 -06:00
|
|
|
hs.get_instance_name(),
|
2020-05-07 06:51:08 -06:00
|
|
|
current_token_without_instance(store.get_max_account_data_stream_id),
|
2020-07-07 05:11:35 -06:00
|
|
|
store.get_all_updated_tags,
|
2020-04-17 07:49:55 -06:00
|
|
|
)
|
2017-03-27 07:58:26 -06:00
|
|
|
|
|
|
|
|
|
|
|
class AccountDataStream(Stream):
|
|
|
|
"""Global or per room account data was changed"""
|
2019-06-20 03:32:02 -06:00
|
|
|
|
2021-12-30 11:47:12 -07:00
|
|
|
@attr.s(slots=True, frozen=True, auto_attribs=True)
|
|
|
|
class AccountDataStreamRow:
|
|
|
|
user_id: str
|
|
|
|
room_id: Optional[str]
|
|
|
|
data_type: str
|
2020-03-23 07:59:11 -06:00
|
|
|
|
2017-03-27 07:58:26 -06:00
|
|
|
NAME = "account_data"
|
|
|
|
ROW_TYPE = AccountDataStreamRow
|
|
|
|
|
2021-03-17 09:30:21 -06:00
|
|
|
def __init__(self, hs: "HomeServer"):
|
2022-02-23 04:04:02 -07:00
|
|
|
self.store = hs.get_datastores().main
|
2020-04-17 07:49:55 -06:00
|
|
|
super().__init__(
|
2020-05-01 10:19:56 -06:00
|
|
|
hs.get_instance_name(),
|
2020-05-07 06:51:08 -06:00
|
|
|
current_token_without_instance(self.store.get_max_account_data_stream_id),
|
2020-05-15 12:03:25 -06:00
|
|
|
self._update_function,
|
|
|
|
)
|
|
|
|
|
|
|
|
async def _update_function(
|
|
|
|
self, instance_name: str, from_token: int, to_token: int, limit: int
|
|
|
|
) -> StreamUpdateResult:
|
|
|
|
limited = False
|
|
|
|
global_results = await self.store.get_updated_global_account_data(
|
|
|
|
from_token, to_token, limit
|
2020-04-17 07:49:55 -06:00
|
|
|
)
|
2017-03-27 07:58:26 -06:00
|
|
|
|
2020-05-15 12:03:25 -06:00
|
|
|
# if the global results hit the limit, we'll need to limit the room results to
|
|
|
|
# the same stream token.
|
|
|
|
if len(global_results) >= limit:
|
|
|
|
to_token = global_results[-1][0]
|
|
|
|
limited = True
|
|
|
|
|
|
|
|
room_results = await self.store.get_updated_room_account_data(
|
|
|
|
from_token, to_token, limit
|
2017-03-27 07:58:26 -06:00
|
|
|
)
|
|
|
|
|
2020-05-15 12:03:25 -06:00
|
|
|
# likewise, if the room results hit the limit, limit the global results to
|
|
|
|
# the same stream token.
|
|
|
|
if len(room_results) >= limit:
|
|
|
|
to_token = room_results[-1][0]
|
|
|
|
limited = True
|
|
|
|
|
|
|
|
# convert the global results to the right format, and limit them to the to_token
|
|
|
|
# at the same time
|
|
|
|
global_rows = (
|
|
|
|
(stream_id, (user_id, None, account_data_type))
|
2019-11-08 04:42:55 -07:00
|
|
|
for stream_id, user_id, account_data_type in global_results
|
2020-05-15 12:03:25 -06:00
|
|
|
if stream_id <= to_token
|
|
|
|
)
|
|
|
|
|
|
|
|
# we know that the room_results are already limited to `to_token` so no need
|
|
|
|
# for a check on `stream_id` here.
|
|
|
|
room_rows = (
|
|
|
|
(stream_id, (user_id, room_id, account_data_type))
|
|
|
|
for stream_id, user_id, room_id, account_data_type in room_results
|
2017-03-27 07:58:26 -06:00
|
|
|
)
|
|
|
|
|
2020-06-09 09:28:57 -06:00
|
|
|
# We need to return a sorted list, so merge them together.
|
|
|
|
#
|
|
|
|
# Note: We order only by the stream ID to work around a bug where the
|
|
|
|
# same stream ID could appear in both `global_rows` and `room_rows`,
|
|
|
|
# leading to a comparison between the data tuples. The comparison could
|
|
|
|
# fail due to attempting to compare the `room_id` which results in a
|
|
|
|
# `TypeError` from comparing a `str` vs `None`.
|
|
|
|
updates = list(heapq.merge(room_rows, global_rows, key=lambda row: row[0]))
|
2020-05-15 12:03:25 -06:00
|
|
|
return updates, to_token, limited
|
2017-03-27 07:58:26 -06:00
|
|
|
|
|
|
|
|
2019-10-30 15:22:52 -06:00
|
|
|
class UserSignatureStream(Stream):
|
|
|
|
"""A user has signed their own device with their user-signing key"""
|
|
|
|
|
2021-12-30 11:47:12 -07:00
|
|
|
@attr.s(slots=True, frozen=True, auto_attribs=True)
|
|
|
|
class UserSignatureStreamRow:
|
|
|
|
user_id: str
|
2020-03-23 07:59:11 -06:00
|
|
|
|
2019-10-30 15:22:52 -06:00
|
|
|
NAME = "user_signature"
|
|
|
|
ROW_TYPE = UserSignatureStreamRow
|
|
|
|
|
2021-10-22 11:15:41 -06:00
|
|
|
def __init__(self, hs: "HomeServer"):
|
2022-02-23 04:04:02 -07:00
|
|
|
store = hs.get_datastores().main
|
2020-04-17 07:49:55 -06:00
|
|
|
super().__init__(
|
2020-05-01 10:19:56 -06:00
|
|
|
hs.get_instance_name(),
|
2020-05-07 06:51:08 -06:00
|
|
|
current_token_without_instance(store.get_device_stream_token),
|
2020-07-07 05:11:35 -06:00
|
|
|
store.get_all_user_signature_changes_for_remotes,
|
2020-04-17 07:49:55 -06:00
|
|
|
)
|