diff options
Diffstat (limited to 'synapse/app')
| -rw-r--r-- | synapse/app/generic_worker.py | 470 |
1 files changed, 2 insertions, 468 deletions
diff --git a/synapse/app/generic_worker.py b/synapse/app/generic_worker.py index e35e17492c..28e3b1aa3c 100644 --- a/synapse/app/generic_worker.py +++ b/synapse/app/generic_worker.py @@ -13,12 +13,9 @@ # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. -import contextlib import logging import sys -from typing import Dict, Iterable, Optional, Set - -from typing_extensions import ContextManager +from typing import Dict, Iterable, Optional from twisted.internet import address from twisted.web.resource import IResource @@ -40,24 +37,13 @@ from synapse.config._base import ConfigError from synapse.config.homeserver import HomeServerConfig from synapse.config.logger import setup_logging from synapse.config.server import ListenerConfig -from synapse.federation import send_queue from synapse.federation.transport.server import TransportLayerServer -from synapse.handlers.presence import ( - BasePresenceHandler, - PresenceState, - get_interested_parties, -) from synapse.http.server import JsonResource, OptionsResource from synapse.http.servlet import RestServlet, parse_json_object_from_request from synapse.http.site import SynapseSite from synapse.logging.context import LoggingContext from synapse.metrics import METRICS_PREFIX, MetricsResource, RegistryProxy -from synapse.metrics.background_process_metrics import run_as_background_process from synapse.replication.http import REPLICATION_PREFIX, ReplicationRestResource -from synapse.replication.http.presence import ( - ReplicationBumpPresenceActiveTime, - ReplicationPresenceSetState, -) from synapse.replication.slave.storage._base import BaseSlavedStore from synapse.replication.slave.storage.account_data import SlavedAccountDataStore from synapse.replication.slave.storage.appservice import SlavedApplicationServiceStore @@ -77,19 +63,6 @@ from synapse.replication.slave.storage.receipts import SlavedReceiptsStore from synapse.replication.slave.storage.registration import SlavedRegistrationStore from synapse.replication.slave.storage.room import RoomStore from synapse.replication.slave.storage.transactions import SlavedTransactionStore -from synapse.replication.tcp.client import ReplicationDataHandler -from synapse.replication.tcp.commands import ClearUserSyncsCommand -from synapse.replication.tcp.streams import ( - AccountDataStream, - DeviceListsStream, - GroupServerStream, - PresenceStream, - PushersStream, - PushRulesStream, - ReceiptsStream, - TagAccountDataStream, - ToDeviceStream, -) from synapse.rest.admin import register_servlets_for_media_repo from synapse.rest.client.v1 import events, login, room from synapse.rest.client.v1.initial_sync import InitialSyncRestServlet @@ -128,7 +101,7 @@ from synapse.rest.client.versions import VersionsRestServlet from synapse.rest.health import HealthResource from synapse.rest.key.v2 import KeyApiV2Resource from synapse.rest.synapse.client import build_synapse_client_resource_tree -from synapse.server import HomeServer, cache_in_self +from synapse.server import HomeServer from synapse.storage.databases.main.censor_events import CensorEventsStore from synapse.storage.databases.main.client_ips import ClientIpWorkerStore from synapse.storage.databases.main.e2e_room_keys import EndToEndRoomKeyStore @@ -137,14 +110,11 @@ from synapse.storage.databases.main.metrics import ServerMetricsStore from synapse.storage.databases.main.monthly_active_users import ( MonthlyActiveUsersWorkerStore, ) -from synapse.storage.databases.main.presence import UserPresenceState from synapse.storage.databases.main.search import SearchWorkerStore from synapse.storage.databases.main.stats import StatsStore from synapse.storage.databases.main.transactions import TransactionWorkerStore from synapse.storage.databases.main.ui_auth import UIAuthWorkerStore from synapse.storage.databases.main.user_directory import UserDirectoryStore -from synapse.types import ReadReceipt -from synapse.util.async_helpers import Linearizer from synapse.util.httpresourcetree import create_resource_tree from synapse.util.versionstring import get_version_string @@ -264,214 +234,6 @@ class KeyUploadServlet(RestServlet): return 200, {"one_time_key_counts": result} -class _NullContextManager(ContextManager[None]): - """A context manager which does nothing.""" - - def __exit__(self, exc_type, exc_val, exc_tb): - pass - - -UPDATE_SYNCING_USERS_MS = 10 * 1000 - - -class GenericWorkerPresence(BasePresenceHandler): - def __init__(self, hs): - super().__init__(hs) - self.hs = hs - self.is_mine_id = hs.is_mine_id - - self.presence_router = hs.get_presence_router() - self._presence_enabled = hs.config.use_presence - - # The number of ongoing syncs on this process, by user id. - # Empty if _presence_enabled is false. - self._user_to_num_current_syncs = {} # type: Dict[str, int] - - self.notifier = hs.get_notifier() - self.instance_id = hs.get_instance_id() - - # user_id -> last_sync_ms. Lists the users that have stopped syncing - # but we haven't notified the master of that yet - self.users_going_offline = {} - - self._bump_active_client = ReplicationBumpPresenceActiveTime.make_client(hs) - self._set_state_client = ReplicationPresenceSetState.make_client(hs) - - self._send_stop_syncing_loop = self.clock.looping_call( - self.send_stop_syncing, UPDATE_SYNCING_USERS_MS - ) - - self._busy_presence_enabled = hs.config.experimental.msc3026_enabled - - hs.get_reactor().addSystemEventTrigger( - "before", - "shutdown", - run_as_background_process, - "generic_presence.on_shutdown", - self._on_shutdown, - ) - - def _on_shutdown(self): - if self._presence_enabled: - self.hs.get_tcp_replication().send_command( - ClearUserSyncsCommand(self.instance_id) - ) - - def send_user_sync(self, user_id, is_syncing, last_sync_ms): - if self._presence_enabled: - self.hs.get_tcp_replication().send_user_sync( - self.instance_id, user_id, is_syncing, last_sync_ms - ) - - def mark_as_coming_online(self, user_id): - """A user has started syncing. Send a UserSync to the master, unless they - had recently stopped syncing. - - Args: - user_id (str) - """ - going_offline = self.users_going_offline.pop(user_id, None) - if not going_offline: - # Safe to skip because we haven't yet told the master they were offline - self.send_user_sync(user_id, True, self.clock.time_msec()) - - def mark_as_going_offline(self, user_id): - """A user has stopped syncing. We wait before notifying the master as - its likely they'll come back soon. This allows us to avoid sending - a stopped syncing immediately followed by a started syncing notification - to the master - - Args: - user_id (str) - """ - self.users_going_offline[user_id] = self.clock.time_msec() - - def send_stop_syncing(self): - """Check if there are any users who have stopped syncing a while ago - and haven't come back yet. If there are poke the master about them. - """ - now = self.clock.time_msec() - for user_id, last_sync_ms in list(self.users_going_offline.items()): - if now - last_sync_ms > UPDATE_SYNCING_USERS_MS: - self.users_going_offline.pop(user_id, None) - self.send_user_sync(user_id, False, last_sync_ms) - - async def user_syncing( - self, user_id: str, affect_presence: bool - ) -> ContextManager[None]: - """Record that a user is syncing. - - Called by the sync and events servlets to record that a user has connected to - this worker and is waiting for some events. - """ - if not affect_presence or not self._presence_enabled: - return _NullContextManager() - - curr_sync = self._user_to_num_current_syncs.get(user_id, 0) - self._user_to_num_current_syncs[user_id] = curr_sync + 1 - - # If we went from no in flight sync to some, notify replication - if self._user_to_num_current_syncs[user_id] == 1: - self.mark_as_coming_online(user_id) - - def _end(): - # We check that the user_id is in user_to_num_current_syncs because - # user_to_num_current_syncs may have been cleared if we are - # shutting down. - if user_id in self._user_to_num_current_syncs: - self._user_to_num_current_syncs[user_id] -= 1 - - # If we went from one in flight sync to non, notify replication - if self._user_to_num_current_syncs[user_id] == 0: - self.mark_as_going_offline(user_id) - - @contextlib.contextmanager - def _user_syncing(): - try: - yield - finally: - _end() - - return _user_syncing() - - async def notify_from_replication(self, states, stream_id): - parties = await get_interested_parties(self.store, self.presence_router, states) - room_ids_to_states, users_to_states = parties - - self.notifier.on_new_event( - "presence_key", - stream_id, - rooms=room_ids_to_states.keys(), - users=users_to_states.keys(), - ) - - async def process_replication_rows(self, token, rows): - states = [ - UserPresenceState( - row.user_id, - row.state, - row.last_active_ts, - row.last_federation_update_ts, - row.last_user_sync_ts, - row.status_msg, - row.currently_active, - ) - for row in rows - ] - - for state in states: - self.user_to_current_state[state.user_id] = state - - stream_id = token - await self.notify_from_replication(states, stream_id) - - def get_currently_syncing_users_for_replication(self) -> Iterable[str]: - return [ - user_id - for user_id, count in self._user_to_num_current_syncs.items() - if count > 0 - ] - - async def set_state(self, target_user, state, ignore_status_msg=False): - """Set the presence state of the user.""" - presence = state["presence"] - - valid_presence = ( - PresenceState.ONLINE, - PresenceState.UNAVAILABLE, - PresenceState.OFFLINE, - PresenceState.BUSY, - ) - - if presence not in valid_presence or ( - presence == PresenceState.BUSY and not self._busy_presence_enabled - ): - raise SynapseError(400, "Invalid presence state") - - user_id = target_user.to_string() - - # If presence is disabled, no-op - if not self.hs.config.use_presence: - return - - # Proxy request to master - await self._set_state_client( - user_id=user_id, state=state, ignore_status_msg=ignore_status_msg - ) - - async def bump_presence_active_time(self, user): - """We've seen the user do something that indicates they're interacting - with the app. - """ - # If presence is disabled, no-op - if not self.hs.config.use_presence: - return - - # Proxy request to master - user_id = user.to_string() - await self._bump_active_client(user_id=user_id) - - class GenericWorkerSlavedStore( # FIXME(#3714): We need to add UserDirectoryStore as we write directly # rather than going via the correct worker. @@ -657,234 +419,6 @@ class GenericWorkerServer(HomeServer): self.get_tcp_replication().start_replication(self) - @cache_in_self - def get_replication_data_handler(self): - return GenericWorkerReplicationHandler(self) - - @cache_in_self - def get_presence_handler(self): - return GenericWorkerPresence(self) - - -class GenericWorkerReplicationHandler(ReplicationDataHandler): - def __init__(self, hs): - super().__init__(hs) - - self.store = hs.get_datastore() - self.presence_handler = hs.get_presence_handler() # type: GenericWorkerPresence - self.notifier = hs.get_notifier() - - self.notify_pushers = hs.config.start_pushers - self.pusher_pool = hs.get_pusherpool() - - self.send_handler = None # type: Optional[FederationSenderHandler] - if hs.config.send_federation: - self.send_handler = FederationSenderHandler(hs) - - async def on_rdata(self, stream_name, instance_name, token, rows): - await super().on_rdata(stream_name, instance_name, token, rows) - await self._process_and_notify(stream_name, instance_name, token, rows) - - async def _process_and_notify(self, stream_name, instance_name, token, rows): - try: - if self.send_handler: - await self.send_handler.process_replication_rows( - stream_name, token, rows - ) - - if stream_name == PushRulesStream.NAME: - self.notifier.on_new_event( - "push_rules_key", token, users=[row.user_id for row in rows] - ) - elif stream_name in (AccountDataStream.NAME, TagAccountDataStream.NAME): - self.notifier.on_new_event( - "account_data_key", token, users=[row.user_id for row in rows] - ) - elif stream_name == ReceiptsStream.NAME: - self.notifier.on_new_event( - "receipt_key", token, rooms=[row.room_id for row in rows] - ) - await self.pusher_pool.on_new_receipts( - token, token, {row.room_id for row in rows} - ) - elif stream_name == ToDeviceStream.NAME: - entities = [row.entity for row in rows if row.entity.startswith("@")] - if entities: - self.notifier.on_new_event("to_device_key", token, users=entities) - elif stream_name == DeviceListsStream.NAME: - all_room_ids = set() # type: Set[str] - for row in rows: - if row.entity.startswith("@"): - room_ids = await self.store.get_rooms_for_user(row.entity) - all_room_ids.update(room_ids) - self.notifier.on_new_event("device_list_key", token, rooms=all_room_ids) - elif stream_name == PresenceStream.NAME: - await self.presence_handler.process_replication_rows(token, rows) - elif stream_name == GroupServerStream.NAME: - self.notifier.on_new_event( - "groups_key", token, users=[row.user_id for row in rows] - ) - elif stream_name == PushersStream.NAME: - for row in rows: - if row.deleted: - self.stop_pusher(row.user_id, row.app_id, row.pushkey) - else: - await self.start_pusher(row.user_id, row.app_id, row.pushkey) - except Exception: - logger.exception("Error processing replication") - - async def on_position(self, stream_name: str, instance_name: str, token: int): - await super().on_position(stream_name, instance_name, token) - # Also call on_rdata to ensure that stream positions are properly reset. - await self.on_rdata(stream_name, instance_name, token, []) - - def stop_pusher(self, user_id, app_id, pushkey): - if not self.notify_pushers: - return - - key = "%s:%s" % (app_id, pushkey) - pushers_for_user = self.pusher_pool.pushers.get(user_id, {}) - pusher = pushers_for_user.pop(key, None) - if pusher is None: - return - logger.info("Stopping pusher %r / %r", user_id, key) - pusher.on_stop() - - async def start_pusher(self, user_id, app_id, pushkey): - if not self.notify_pushers: - return - - key = "%s:%s" % (app_id, pushkey) - logger.info("Starting pusher %r / %r", user_id, key) - return await self.pusher_pool.start_pusher_by_id(app_id, pushkey, user_id) - - def on_remote_server_up(self, server: str): - """Called when get a new REMOTE_SERVER_UP command.""" - - # Let's wake up the transaction queue for the server in case we have - # pending stuff to send to it. - if self.send_handler: - self.send_handler.wake_destination(server) - - -class FederationSenderHandler: - """Processes the fedration replication stream - - This class is only instantiate on the worker responsible for sending outbound - federation transactions. It receives rows from the replication stream and forwards - the appropriate entries to the FederationSender class. - """ - - def __init__(self, hs: GenericWorkerServer): - self.store = hs.get_datastore() - self._is_mine_id = hs.is_mine_id - self.federation_sender = hs.get_federation_sender() - self._hs = hs - - # Stores the latest position in the federation stream we've gotten up - # to. This is always set before we use it. - self.federation_position = None - - self._fed_position_linearizer = Linearizer(name="_fed_position_linearizer") - - def wake_destination(self, server: str): - self.federation_sender.wake_destination(server) - - async def process_replication_rows(self, stream_name, token, rows): - # The federation stream contains things that we want to send out, e.g. - # presence, typing, etc. - if stream_name == "federation": - send_queue.process_rows_for_federation(self.federation_sender, rows) - await self.update_token(token) - - # ... and when new receipts happen - elif stream_name == ReceiptsStream.NAME: - await self._on_new_receipts(rows) - - # ... as well as device updates and messages - elif stream_name == DeviceListsStream.NAME: - # The entities are either user IDs (starting with '@') whose devices - # have changed, or remote servers that we need to tell about - # changes. - hosts = {row.entity for row in rows if not row.entity.startswith("@")} - for host in hosts: - self.federation_sender.send_device_messages(host) - - elif stream_name == ToDeviceStream.NAME: - # The to_device stream includes stuff to be pushed to both local - # clients and remote servers, so we ignore entities that start with - # '@' (since they'll be local users rather than destinations). - hosts = {row.entity for row in rows if not row.entity.startswith("@")} - for host in hosts: - self.federation_sender.send_device_messages(host) - - async def _on_new_receipts(self, rows): - """ - Args: - rows (Iterable[synapse.replication.tcp.streams.ReceiptsStream.ReceiptsStreamRow]): - new receipts to be processed - """ - for receipt in rows: - # we only want to send on receipts for our own users - if not self._is_mine_id(receipt.user_id): - continue - receipt_info = ReadReceipt( - receipt.room_id, - receipt.receipt_type, - receipt.user_id, - [receipt.event_id], - receipt.data, - ) - await self.federation_sender.send_read_receipt(receipt_info) - - async def update_token(self, token): - """Update the record of where we have processed to in the federation stream. - - Called after we have processed a an update received over replication. Sends - a FEDERATION_ACK back to the master, and stores the token that we have processed - in `federation_stream_position` so that we can restart where we left off. - """ - self.federation_position = token - - # We save and send the ACK to master asynchronously, so we don't block - # processing on persistence. We don't need to do this operation for - # every single RDATA we receive, we just need to do it periodically. - - if self._fed_position_linearizer.is_queued(None): - # There is already a task queued up to save and send the token, so - # no need to queue up another task. - return - - run_as_background_process("_save_and_send_ack", self._save_and_send_ack) - - async def _save_and_send_ack(self): - """Save the current federation position in the database and send an ACK - to master with where we're up to. - """ - try: - # We linearize here to ensure we don't have races updating the token - # - # XXX this appears to be redundant, since the ReplicationCommandHandler - # has a linearizer which ensures that we only process one line of - # replication data at a time. Should we remove it, or is it doing useful - # service for robustness? Or could we replace it with an assertion that - # we're not being re-entered? - - with (await self._fed_position_linearizer.queue(None)): - # We persist and ack the same position, so we take a copy of it - # here as otherwise it can get modified from underneath us. - current_position = self.federation_position - - await self.store.update_federation_out_pos( - "federation", current_position - ) - - # We ACK this token over replication so that the master can drop - # its in memory queues - self._hs.get_tcp_replication().send_federation_ack(current_position) - except Exception: - logger.exception("Error updating federation stream position") - def start(config_options): try: |