mirror of
https://mau.dev/maunium/synapse.git
synced 2024-10-01 01:36:05 -04:00
29574fd5b3
This is mainly done by moving the calculation of where to send presence updates from the presence handler to the transaction queue, so we only need to send the presence event (and not the destinations) across the replication connection. Before we were duplicating by sending the full state across once per destination.
489 lines
18 KiB
Python
489 lines
18 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# Copyright 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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import synapse
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from synapse.api.constants import EventTypes
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from synapse.config._base import ConfigError
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from synapse.config.homeserver import HomeServerConfig
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from synapse.config.logger import setup_logging
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from synapse.handlers.presence import PresenceHandler
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from synapse.http.site import SynapseSite
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from synapse.http.server import JsonResource
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from synapse.metrics.resource import MetricsResource, METRICS_PREFIX
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from synapse.rest.client.v2_alpha import sync
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from synapse.rest.client.v1 import events
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from synapse.rest.client.v1.room import RoomInitialSyncRestServlet
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from synapse.rest.client.v1.initial_sync import InitialSyncRestServlet
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from synapse.replication.slave.storage._base import BaseSlavedStore
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from synapse.replication.slave.storage.events import SlavedEventStore
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from synapse.replication.slave.storage.receipts import SlavedReceiptsStore
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from synapse.replication.slave.storage.account_data import SlavedAccountDataStore
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from synapse.replication.slave.storage.appservice import SlavedApplicationServiceStore
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from synapse.replication.slave.storage.registration import SlavedRegistrationStore
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from synapse.replication.slave.storage.filtering import SlavedFilteringStore
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from synapse.replication.slave.storage.push_rule import SlavedPushRuleStore
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from synapse.replication.slave.storage.presence import SlavedPresenceStore
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from synapse.replication.slave.storage.deviceinbox import SlavedDeviceInboxStore
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from synapse.replication.slave.storage.devices import SlavedDeviceStore
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from synapse.replication.slave.storage.room import RoomStore
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from synapse.replication.tcp.client import ReplicationClientHandler
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from synapse.server import HomeServer
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from synapse.storage.client_ips import ClientIpStore
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from synapse.storage.engines import create_engine
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from synapse.storage.presence import PresenceStore, UserPresenceState
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from synapse.storage.roommember import RoomMemberStore
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from synapse.util.httpresourcetree import create_resource_tree
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from synapse.util.logcontext import LoggingContext, PreserveLoggingContext, preserve_fn
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from synapse.util.manhole import manhole
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from synapse.util.rlimit import change_resource_limit
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from synapse.util.stringutils import random_string
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from synapse.util.versionstring import get_version_string
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from twisted.internet import reactor, defer
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from twisted.web.resource import Resource
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from daemonize import Daemonize
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import sys
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import logging
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import contextlib
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import gc
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logger = logging.getLogger("synapse.app.synchrotron")
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class SynchrotronSlavedStore(
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SlavedPushRuleStore,
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SlavedEventStore,
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SlavedReceiptsStore,
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SlavedAccountDataStore,
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SlavedApplicationServiceStore,
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SlavedRegistrationStore,
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SlavedFilteringStore,
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SlavedPresenceStore,
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SlavedDeviceInboxStore,
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SlavedDeviceStore,
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RoomStore,
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BaseSlavedStore,
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ClientIpStore, # After BaseSlavedStore because the constructor is different
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):
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who_forgot_in_room = (
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RoomMemberStore.__dict__["who_forgot_in_room"]
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)
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did_forget = (
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RoomMemberStore.__dict__["did_forget"]
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)
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# XXX: This is a bit broken because we don't persist the accepted list in a
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# way that can be replicated. This means that we don't have a way to
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# invalidate the cache correctly.
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get_presence_list_accepted = PresenceStore.__dict__[
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"get_presence_list_accepted"
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]
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get_presence_list_observers_accepted = PresenceStore.__dict__[
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"get_presence_list_observers_accepted"
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]
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UPDATE_SYNCING_USERS_MS = 10 * 1000
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class SynchrotronPresence(object):
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def __init__(self, hs):
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self.hs = hs
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self.is_mine_id = hs.is_mine_id
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self.http_client = hs.get_simple_http_client()
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self.store = hs.get_datastore()
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self.user_to_num_current_syncs = {}
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self.clock = hs.get_clock()
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self.notifier = hs.get_notifier()
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active_presence = self.store.take_presence_startup_info()
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self.user_to_current_state = {
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state.user_id: state
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for state in active_presence
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}
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# user_id -> last_sync_ms. Lists the users that have stopped syncing
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# but we haven't notified the master of that yet
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self.users_going_offline = {}
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self._send_stop_syncing_loop = self.clock.looping_call(
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self.send_stop_syncing, 10 * 1000
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)
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self.process_id = random_string(16)
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logger.info("Presence process_id is %r", self.process_id)
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def send_user_sync(self, user_id, is_syncing, last_sync_ms):
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self.hs.get_tcp_replication().send_user_sync(user_id, is_syncing, last_sync_ms)
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def mark_as_coming_online(self, user_id):
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"""A user has started syncing. Send a UserSync to the master, unless they
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had recently stopped syncing.
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Args:
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user_id (str)
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"""
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going_offline = self.users_going_offline.pop(user_id, None)
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if not going_offline:
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# Safe to skip because we haven't yet told the master they were offline
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self.send_user_sync(user_id, True, self.clock.time_msec())
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def mark_as_going_offline(self, user_id):
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"""A user has stopped syncing. We wait before notifying the master as
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its likely they'll come back soon. This allows us to avoid sending
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a stopped syncing immediately followed by a started syncing notification
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to the master
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Args:
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user_id (str)
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"""
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self.users_going_offline[user_id] = self.clock.time_msec()
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def send_stop_syncing(self):
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"""Check if there are any users who have stopped syncing a while ago
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and haven't come back yet. If there are poke the master about them.
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"""
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now = self.clock.time_msec()
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for user_id, last_sync_ms in self.users_going_offline.items():
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if now - last_sync_ms > 10 * 1000:
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self.users_going_offline.pop(user_id, None)
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self.send_user_sync(user_id, False, last_sync_ms)
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def set_state(self, user, state, ignore_status_msg=False):
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# TODO Hows this supposed to work?
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pass
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get_states = PresenceHandler.get_states.__func__
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get_state = PresenceHandler.get_state.__func__
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_get_interested_parties = PresenceHandler._get_interested_parties.__func__
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current_state_for_users = PresenceHandler.current_state_for_users.__func__
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def user_syncing(self, user_id, affect_presence):
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if affect_presence:
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curr_sync = self.user_to_num_current_syncs.get(user_id, 0)
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self.user_to_num_current_syncs[user_id] = curr_sync + 1
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# If we went from no in flight sync to some, notify replication
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if self.user_to_num_current_syncs[user_id] == 1:
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self.mark_as_coming_online(user_id)
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def _end():
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# We check that the user_id is in user_to_num_current_syncs because
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# user_to_num_current_syncs may have been cleared if we are
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# shutting down.
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if affect_presence and user_id in self.user_to_num_current_syncs:
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self.user_to_num_current_syncs[user_id] -= 1
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# If we went from one in flight sync to non, notify replication
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if self.user_to_num_current_syncs[user_id] == 0:
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self.mark_as_going_offline(user_id)
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@contextlib.contextmanager
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def _user_syncing():
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try:
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yield
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finally:
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_end()
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return defer.succeed(_user_syncing())
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@defer.inlineCallbacks
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def notify_from_replication(self, states, stream_id):
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parties = yield self._get_interested_parties(states)
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room_ids_to_states, users_to_states = parties
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self.notifier.on_new_event(
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"presence_key", stream_id, rooms=room_ids_to_states.keys(),
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users=users_to_states.keys()
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)
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@defer.inlineCallbacks
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def process_replication_rows(self, token, rows):
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states = [UserPresenceState(
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row.user_id, row.state, row.last_active_ts,
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row.last_federation_update_ts, row.last_user_sync_ts, row.status_msg,
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row.currently_active
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) for row in rows]
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for state in states:
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self.user_to_current_state[row.user_id] = state
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stream_id = token
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yield self.notify_from_replication(states, stream_id)
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def get_currently_syncing_users(self):
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return [
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user_id for user_id, count in self.user_to_num_current_syncs.iteritems()
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if count > 0
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]
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class SynchrotronTyping(object):
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def __init__(self, hs):
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self._latest_room_serial = 0
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self._room_serials = {}
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self._room_typing = {}
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def stream_positions(self):
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# We must update this typing token from the response of the previous
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# sync. In particular, the stream id may "reset" back to zero/a low
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# value which we *must* use for the next replication request.
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return {"typing": self._latest_room_serial}
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def process_replication_rows(self, token, rows):
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self._latest_room_serial = token
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for row in rows:
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self._room_serials[row.room_id] = token
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self._room_typing[row.room_id] = row.user_ids
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class SynchrotronApplicationService(object):
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def notify_interested_services(self, event):
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pass
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class SynchrotronServer(HomeServer):
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def get_db_conn(self, run_new_connection=True):
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# Any param beginning with cp_ is a parameter for adbapi, and should
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# not be passed to the database engine.
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db_params = {
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k: v for k, v in self.db_config.get("args", {}).items()
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if not k.startswith("cp_")
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}
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db_conn = self.database_engine.module.connect(**db_params)
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if run_new_connection:
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self.database_engine.on_new_connection(db_conn)
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return db_conn
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def setup(self):
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logger.info("Setting up.")
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self.datastore = SynchrotronSlavedStore(self.get_db_conn(), self)
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logger.info("Finished setting up.")
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def _listen_http(self, listener_config):
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port = listener_config["port"]
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bind_addresses = listener_config["bind_addresses"]
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site_tag = listener_config.get("tag", port)
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resources = {}
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for res in listener_config["resources"]:
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for name in res["names"]:
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if name == "metrics":
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resources[METRICS_PREFIX] = MetricsResource(self)
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elif name == "client":
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resource = JsonResource(self, canonical_json=False)
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sync.register_servlets(self, resource)
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events.register_servlets(self, resource)
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InitialSyncRestServlet(self).register(resource)
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RoomInitialSyncRestServlet(self).register(resource)
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resources.update({
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"/_matrix/client/r0": resource,
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"/_matrix/client/unstable": resource,
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"/_matrix/client/v2_alpha": resource,
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"/_matrix/client/api/v1": resource,
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})
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root_resource = create_resource_tree(resources, Resource())
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for address in bind_addresses:
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reactor.listenTCP(
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port,
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SynapseSite(
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"synapse.access.http.%s" % (site_tag,),
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site_tag,
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listener_config,
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root_resource,
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),
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interface=address
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)
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logger.info("Synapse synchrotron now listening on port %d", port)
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def start_listening(self, listeners):
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for listener in listeners:
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if listener["type"] == "http":
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self._listen_http(listener)
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elif listener["type"] == "manhole":
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bind_addresses = listener["bind_addresses"]
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for address in bind_addresses:
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reactor.listenTCP(
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listener["port"],
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manhole(
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username="matrix",
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password="rabbithole",
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globals={"hs": self},
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),
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interface=address
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)
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else:
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logger.warn("Unrecognized listener type: %s", listener["type"])
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self.get_tcp_replication().start_replication(self)
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def build_tcp_replication(self):
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return SyncReplicationHandler(self)
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def build_presence_handler(self):
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return SynchrotronPresence(self)
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def build_typing_handler(self):
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return SynchrotronTyping(self)
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class SyncReplicationHandler(ReplicationClientHandler):
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def __init__(self, hs):
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super(SyncReplicationHandler, self).__init__(hs.get_datastore())
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self.store = hs.get_datastore()
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self.typing_handler = hs.get_typing_handler()
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self.presence_handler = hs.get_presence_handler()
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self.notifier = hs.get_notifier()
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self.presence_handler.sync_callback = self.send_user_sync
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def on_rdata(self, stream_name, token, rows):
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super(SyncReplicationHandler, self).on_rdata(stream_name, token, rows)
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preserve_fn(self.process_and_notify)(stream_name, token, rows)
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def get_streams_to_replicate(self):
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args = super(SyncReplicationHandler, self).get_streams_to_replicate()
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args.update(self.typing_handler.stream_positions())
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return args
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def get_currently_syncing_users(self):
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return self.presence_handler.get_currently_syncing_users()
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@defer.inlineCallbacks
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def process_and_notify(self, stream_name, token, rows):
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if stream_name == "events":
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# We shouldn't get multiple rows per token for events stream, so
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# we don't need to optimise this for multiple rows.
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for row in rows:
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event = yield self.store.get_event(row.event_id)
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extra_users = ()
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if event.type == EventTypes.Member:
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extra_users = (event.state_key,)
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max_token = self.store.get_room_max_stream_ordering()
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self.notifier.on_new_room_event(
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event, token, max_token, extra_users
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)
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elif stream_name == "push_rules":
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self.notifier.on_new_event(
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"push_rules_key", token, users=[row.user_id for row in rows],
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)
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elif stream_name in ("account_data", "tag_account_data",):
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self.notifier.on_new_event(
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"account_data_key", token, users=[row.user_id for row in rows],
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)
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elif stream_name == "receipts":
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self.notifier.on_new_event(
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"receipt_key", token, rooms=[row.room_id for row in rows],
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)
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elif stream_name == "typing":
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self.typing_handler.process_replication_rows(token, rows)
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self.notifier.on_new_event(
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"typing_key", token, rooms=[row.room_id for row in rows],
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)
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elif stream_name == "to_device":
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entities = [row.entity for row in rows if row.entity.startswith("@")]
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if entities:
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self.notifier.on_new_event(
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"to_device_key", token, users=entities,
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)
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elif stream_name == "device_lists":
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all_room_ids = set()
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for row in rows:
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room_ids = yield self.store.get_rooms_for_user(row.user_id)
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all_room_ids.update(room_ids)
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self.notifier.on_new_event(
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"device_list_key", token, rooms=all_room_ids,
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)
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elif stream_name == "presence":
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yield self.presence_handler.process_replication_rows(token, rows)
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def start(config_options):
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try:
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config = HomeServerConfig.load_config(
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"Synapse synchrotron", config_options
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)
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except ConfigError as e:
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sys.stderr.write("\n" + e.message + "\n")
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sys.exit(1)
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assert config.worker_app == "synapse.app.synchrotron"
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setup_logging(config, use_worker_options=True)
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synapse.events.USE_FROZEN_DICTS = config.use_frozen_dicts
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database_engine = create_engine(config.database_config)
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ss = SynchrotronServer(
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config.server_name,
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db_config=config.database_config,
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config=config,
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version_string="Synapse/" + get_version_string(synapse),
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database_engine=database_engine,
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application_service_handler=SynchrotronApplicationService(),
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)
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ss.setup()
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ss.start_listening(config.worker_listeners)
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def run():
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# make sure that we run the reactor with the sentinel log context,
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# otherwise other PreserveLoggingContext instances will get confused
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# and complain when they see the logcontext arbitrarily swapping
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# between the sentinel and `run` logcontexts.
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with PreserveLoggingContext():
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logger.info("Running")
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change_resource_limit(config.soft_file_limit)
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if config.gc_thresholds:
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gc.set_threshold(*config.gc_thresholds)
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reactor.run()
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def start():
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ss.get_datastore().start_profiling()
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ss.get_state_handler().start_caching()
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reactor.callWhenRunning(start)
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if config.worker_daemonize:
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daemon = Daemonize(
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app="synapse-synchrotron",
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pid=config.worker_pid_file,
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action=run,
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auto_close_fds=False,
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verbose=True,
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logger=logger,
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)
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daemon.start()
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else:
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run()
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if __name__ == '__main__':
|
|
with LoggingContext("main"):
|
|
start(sys.argv[1:])
|