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![Richard van der Hoff](/assets/img/avatar_default.png)
This function is identical to all subclasses, so we may as well push it up to the base class to reduce duplication (and make use of it in the tests)
437 lines
16 KiB
Python
437 lines
16 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 contextlib
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import logging
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import sys
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import synapse
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from synapse.api.constants import EventTypes
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from synapse.app import _base
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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, get_interested_parties
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from synapse.http.server import JsonResource
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from synapse.http.site import SynapseSite
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from synapse.metrics.resource import METRICS_PREFIX, MetricsResource
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from synapse.replication.slave.storage._base import BaseSlavedStore
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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.client_ips import SlavedClientIpStore
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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.events import SlavedEventStore
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from synapse.replication.slave.storage.filtering import SlavedFilteringStore
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from synapse.replication.slave.storage.presence import SlavedPresenceStore
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from synapse.replication.slave.storage.push_rule import SlavedPushRuleStore
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from synapse.replication.slave.storage.receipts import SlavedReceiptsStore
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from synapse.replication.slave.storage.registration import SlavedRegistrationStore
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from synapse.replication.slave.storage.room import RoomStore
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from synapse.replication.slave.storage.groups import SlavedGroupServerStore
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from synapse.replication.tcp.client import ReplicationClientHandler
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from synapse.rest.client.v1 import events
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from synapse.rest.client.v1.initial_sync import InitialSyncRestServlet
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from synapse.rest.client.v1.room import RoomInitialSyncRestServlet
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from synapse.rest.client.v2_alpha import sync
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from synapse.server import HomeServer
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from synapse.storage.engines import create_engine
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from synapse.storage.presence import 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, preserve_fn
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from synapse.util.manhole import manhole
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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 defer, reactor
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from twisted.web.resource import Resource
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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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SlavedGroupServerStore,
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SlavedDeviceInboxStore,
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SlavedDeviceStore,
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SlavedClientIpStore,
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RoomStore,
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BaseSlavedStore,
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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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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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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 get_interested_parties(self.store, 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 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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_base.listen_tcp(
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bind_addresses,
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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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)
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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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_base.listen_tcp(
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listener["bind_addresses"],
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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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)
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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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# NB this is a SynchrotronPresence, not a normal PresenceHandler
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self.presence_handler = hs.get_presence_handler()
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self.notifier = hs.get_notifier()
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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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elif stream_name == "receipts":
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self.notifier.on_new_event(
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"groups_key", token, users=[row.user_id for row in rows],
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)
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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 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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_base.start_worker_reactor("synapse-synchrotron", config)
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if __name__ == '__main__':
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with LoggingContext("main"):
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start(sys.argv[1:])
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