86 lines
3.1 KiB
Python
86 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 typing import Any, Dict
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from twisted.internet import defer
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from synapse.handlers.account_data import AccountDataEventSource
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from synapse.handlers.presence import PresenceEventSource
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from synapse.handlers.receipts import ReceiptEventSource
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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.types import StreamToken
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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) for name, cls in EventSources.SOURCE_TYPES.items()
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} # type: Dict[str, Any]
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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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device_list_key = self.store.get_device_stream_token()
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groups_key = self.store.get_group_stream_token()
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token = StreamToken(
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room_key=(yield self.sources["room"].get_current_key()),
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presence_key=(yield self.sources["presence"].get_current_key()),
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typing_key=(yield self.sources["typing"].get_current_key()),
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receipt_key=(yield self.sources["receipt"].get_current_key()),
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account_data_key=(yield self.sources["account_data"].get_current_key()),
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push_rules_key=push_rules_key,
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to_device_key=to_device_key,
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device_list_key=device_list_key,
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groups_key=groups_key,
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)
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return token
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@defer.inlineCallbacks
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def get_current_token_for_pagination(self):
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"""Get the current token for a given room to be used to paginate
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events.
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The returned token does not have the current values for fields other
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than `room`, since they are not used during pagination.
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Retuns:
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Deferred[StreamToken]
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"""
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token = StreamToken(
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room_key=(yield self.sources["room"].get_current_key()),
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presence_key=0,
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typing_key=0,
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receipt_key=0,
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account_data_key=0,
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push_rules_key=0,
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to_device_key=0,
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device_list_key=0,
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groups_key=0,
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)
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return token
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