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d04e2ff3a4
If a client didn't specify a from token when paginating backwards synapse would attempt to query the (global) maximum topological token. This a) doesn't make much sense since they're room specific and b) there are no indices that lets postgres do this efficiently.
94 lines
3.1 KiB
Python
94 lines
3.1 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014-2016 OpenMarket 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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from twisted.internet import defer
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from synapse.types import StreamToken
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from synapse.handlers.presence import PresenceEventSource
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from synapse.handlers.room import RoomEventSource
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from synapse.handlers.typing import TypingNotificationEventSource
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from synapse.handlers.receipts import ReceiptEventSource
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from synapse.handlers.account_data import AccountDataEventSource
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class EventSources(object):
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SOURCE_TYPES = {
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"room": RoomEventSource,
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"presence": PresenceEventSource,
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"typing": TypingNotificationEventSource,
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"receipt": ReceiptEventSource,
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"account_data": AccountDataEventSource,
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}
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def __init__(self, hs):
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self.sources = {
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name: cls(hs)
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for name, cls in EventSources.SOURCE_TYPES.items()
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}
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self.store = hs.get_datastore()
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@defer.inlineCallbacks
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def get_current_token(self):
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push_rules_key, _ = self.store.get_push_rules_stream_token()
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to_device_key = self.store.get_to_device_stream_token()
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token = StreamToken(
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room_key=(
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yield self.sources["room"].get_current_key()
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),
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presence_key=(
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yield self.sources["presence"].get_current_key()
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),
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typing_key=(
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yield self.sources["typing"].get_current_key()
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),
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receipt_key=(
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yield self.sources["receipt"].get_current_key()
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),
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account_data_key=(
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yield self.sources["account_data"].get_current_key()
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),
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push_rules_key=push_rules_key,
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to_device_key=to_device_key,
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)
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defer.returnValue(token)
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@defer.inlineCallbacks
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def get_current_token_for_room(self, room_id):
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push_rules_key, _ = self.store.get_push_rules_stream_token()
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to_device_key = self.store.get_to_device_stream_token()
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token = StreamToken(
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room_key=(
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yield self.sources["room"].get_current_key()
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),
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presence_key=(
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yield self.sources["presence"].get_current_key()
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),
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typing_key=(
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yield self.sources["typing"].get_current_key()
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),
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receipt_key=(
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yield self.sources["receipt"].get_current_key()
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),
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account_data_key=(
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yield self.sources["account_data"].get_current_key()
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),
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push_rules_key=push_rules_key,
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to_device_key=to_device_key,
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)
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defer.returnValue(token)
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