diff options
Diffstat (limited to 'synapse/app/synchrotron.py')
| -rw-r--r-- | synapse/app/synchrotron.py | 445 |
1 files changed, 3 insertions, 442 deletions
diff --git a/synapse/app/synchrotron.py b/synapse/app/synchrotron.py index 473026fce5..add43147b3 100644 --- a/synapse/app/synchrotron.py +++ b/synapse/app/synchrotron.py @@ -13,450 +13,11 @@ # 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 six import iteritems - -from twisted.internet import defer, reactor -from twisted.web.resource import NoResource - -import synapse -from synapse.api.constants import EventTypes -from synapse.app import _base -from synapse.config._base import ConfigError -from synapse.config.homeserver import HomeServerConfig -from synapse.config.logger import setup_logging -from synapse.handlers.presence import PresenceHandler, get_interested_parties -from synapse.http.server import JsonResource -from synapse.http.site import SynapseSite -from synapse.logging.context import LoggingContext, run_in_background -from synapse.metrics import METRICS_PREFIX, MetricsResource, RegistryProxy -from synapse.replication.slave.storage._base import BaseSlavedStore, __func__ -from synapse.replication.slave.storage.account_data import SlavedAccountDataStore -from synapse.replication.slave.storage.appservice import SlavedApplicationServiceStore -from synapse.replication.slave.storage.client_ips import SlavedClientIpStore -from synapse.replication.slave.storage.deviceinbox import SlavedDeviceInboxStore -from synapse.replication.slave.storage.devices import SlavedDeviceStore -from synapse.replication.slave.storage.events import SlavedEventStore -from synapse.replication.slave.storage.filtering import SlavedFilteringStore -from synapse.replication.slave.storage.groups import SlavedGroupServerStore -from synapse.replication.slave.storage.presence import SlavedPresenceStore -from synapse.replication.slave.storage.push_rule import SlavedPushRuleStore -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.tcp.client import ReplicationClientHandler -from synapse.replication.tcp.streams.events import EventsStreamEventRow -from synapse.rest.client.v1 import events -from synapse.rest.client.v1.initial_sync import InitialSyncRestServlet -from synapse.rest.client.v1.room import RoomInitialSyncRestServlet -from synapse.rest.client.v2_alpha import sync -from synapse.server import HomeServer -from synapse.storage.engines import create_engine -from synapse.storage.presence import UserPresenceState -from synapse.util.httpresourcetree import create_resource_tree -from synapse.util.manhole import manhole -from synapse.util.stringutils import random_string -from synapse.util.versionstring import get_version_string - -logger = logging.getLogger("synapse.app.synchrotron") - - -class SynchrotronSlavedStore( - SlavedReceiptsStore, - SlavedAccountDataStore, - SlavedApplicationServiceStore, - SlavedRegistrationStore, - SlavedFilteringStore, - SlavedPresenceStore, - SlavedGroupServerStore, - SlavedDeviceInboxStore, - SlavedDeviceStore, - SlavedPushRuleStore, - SlavedEventStore, - SlavedClientIpStore, - RoomStore, - BaseSlavedStore, -): - pass - - -UPDATE_SYNCING_USERS_MS = 10 * 1000 - - -class SynchrotronPresence(object): - def __init__(self, hs): - self.hs = hs - self.is_mine_id = hs.is_mine_id - self.http_client = hs.get_simple_http_client() - self.store = hs.get_datastore() - self.user_to_num_current_syncs = {} - self.clock = hs.get_clock() - self.notifier = hs.get_notifier() - - active_presence = self.store.take_presence_startup_info() - self.user_to_current_state = {state.user_id: state for state in active_presence} - - # 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._send_stop_syncing_loop = self.clock.looping_call( - self.send_stop_syncing, 10 * 1000 - ) - - self.process_id = random_string(16) - logger.info("Presence process_id is %r", self.process_id) - - def send_user_sync(self, user_id, is_syncing, last_sync_ms): - if self.hs.config.use_presence: - self.hs.get_tcp_replication().send_user_sync( - 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 > 10 * 1000: - self.users_going_offline.pop(user_id, None) - self.send_user_sync(user_id, False, last_sync_ms) - - def set_state(self, user, state, ignore_status_msg=False): - # TODO Hows this supposed to work? - pass - - get_states = __func__(PresenceHandler.get_states) - get_state = __func__(PresenceHandler.get_state) - current_state_for_users = __func__(PresenceHandler.current_state_for_users) - - def user_syncing(self, user_id, affect_presence): - if affect_presence: - 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 affect_presence and 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 defer.succeed(_user_syncing()) - - @defer.inlineCallbacks - def notify_from_replication(self, states, stream_id): - parties = yield get_interested_parties(self.store, 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(), - ) - - @defer.inlineCallbacks - 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 - yield self.notify_from_replication(states, stream_id) - - def get_currently_syncing_users(self): - if self.hs.config.use_presence: - return [ - user_id - for user_id, count in iteritems(self.user_to_num_current_syncs) - if count > 0 - ] - else: - return set() - -class SynchrotronTyping(object): - def __init__(self, hs): - self._latest_room_serial = 0 - self._reset() - - def _reset(self): - """ - Reset the typing handler's data caches. - """ - # map room IDs to serial numbers - self._room_serials = {} - # map room IDs to sets of users currently typing - self._room_typing = {} - - def stream_positions(self): - # We must update this typing token from the response of the previous - # sync. In particular, the stream id may "reset" back to zero/a low - # value which we *must* use for the next replication request. - return {"typing": self._latest_room_serial} - - def process_replication_rows(self, token, rows): - if self._latest_room_serial > token: - # The master has gone backwards. To prevent inconsistent data, just - # clear everything. - self._reset() - - # Set the latest serial token to whatever the server gave us. - self._latest_room_serial = token - - for row in rows: - self._room_serials[row.room_id] = token - self._room_typing[row.room_id] = row.user_ids - - -class SynchrotronApplicationService(object): - def notify_interested_services(self, event): - pass - - -class SynchrotronServer(HomeServer): - DATASTORE_CLASS = SynchrotronSlavedStore - - def _listen_http(self, listener_config): - port = listener_config["port"] - bind_addresses = listener_config["bind_addresses"] - site_tag = listener_config.get("tag", port) - resources = {} - for res in listener_config["resources"]: - for name in res["names"]: - if name == "metrics": - resources[METRICS_PREFIX] = MetricsResource(RegistryProxy) - elif name == "client": - resource = JsonResource(self, canonical_json=False) - sync.register_servlets(self, resource) - events.register_servlets(self, resource) - InitialSyncRestServlet(self).register(resource) - RoomInitialSyncRestServlet(self).register(resource) - resources.update( - { - "/_matrix/client/r0": resource, - "/_matrix/client/unstable": resource, - "/_matrix/client/v2_alpha": resource, - "/_matrix/client/api/v1": resource, - } - ) - - root_resource = create_resource_tree(resources, NoResource()) - - _base.listen_tcp( - bind_addresses, - port, - SynapseSite( - "synapse.access.http.%s" % (site_tag,), - site_tag, - listener_config, - root_resource, - self.version_string, - ), - ) - - logger.info("Synapse synchrotron now listening on port %d", port) - - def start_listening(self, listeners): - for listener in listeners: - if listener["type"] == "http": - self._listen_http(listener) - elif listener["type"] == "manhole": - _base.listen_tcp( - listener["bind_addresses"], - listener["port"], - manhole( - username="matrix", password="rabbithole", globals={"hs": self} - ), - ) - elif listener["type"] == "metrics": - if not self.get_config().enable_metrics: - logger.warn( - ( - "Metrics listener configured, but " - "enable_metrics is not True!" - ) - ) - else: - _base.listen_metrics(listener["bind_addresses"], listener["port"]) - else: - logger.warn("Unrecognized listener type: %s", listener["type"]) - - self.get_tcp_replication().start_replication(self) - - def build_tcp_replication(self): - return SyncReplicationHandler(self) - - def build_presence_handler(self): - return SynchrotronPresence(self) - - def build_typing_handler(self): - return SynchrotronTyping(self) - - -class SyncReplicationHandler(ReplicationClientHandler): - def __init__(self, hs): - super(SyncReplicationHandler, self).__init__(hs.get_datastore()) - - self.store = hs.get_datastore() - self.typing_handler = hs.get_typing_handler() - # NB this is a SynchrotronPresence, not a normal PresenceHandler - self.presence_handler = hs.get_presence_handler() - self.notifier = hs.get_notifier() - - @defer.inlineCallbacks - def on_rdata(self, stream_name, token, rows): - yield super(SyncReplicationHandler, self).on_rdata(stream_name, token, rows) - run_in_background(self.process_and_notify, stream_name, token, rows) - - def get_streams_to_replicate(self): - args = super(SyncReplicationHandler, self).get_streams_to_replicate() - args.update(self.typing_handler.stream_positions()) - return args - - def get_currently_syncing_users(self): - return self.presence_handler.get_currently_syncing_users() - - @defer.inlineCallbacks - def process_and_notify(self, stream_name, token, rows): - try: - if stream_name == "events": - # We shouldn't get multiple rows per token for events stream, so - # we don't need to optimise this for multiple rows. - for row in rows: - if row.type != EventsStreamEventRow.TypeId: - continue - event = yield self.store.get_event(row.data.event_id) - extra_users = () - if event.type == EventTypes.Member: - extra_users = (event.state_key,) - max_token = self.store.get_room_max_stream_ordering() - self.notifier.on_new_room_event( - event, token, max_token, extra_users - ) - elif stream_name == "push_rules": - self.notifier.on_new_event( - "push_rules_key", token, users=[row.user_id for row in rows] - ) - elif stream_name in ("account_data", "tag_account_data"): - self.notifier.on_new_event( - "account_data_key", token, users=[row.user_id for row in rows] - ) - elif stream_name == "receipts": - self.notifier.on_new_event( - "receipt_key", token, rooms=[row.room_id for row in rows] - ) - elif stream_name == "typing": - self.typing_handler.process_replication_rows(token, rows) - self.notifier.on_new_event( - "typing_key", token, rooms=[row.room_id for row in rows] - ) - elif stream_name == "to_device": - 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 == "device_lists": - all_room_ids = set() - for row in rows: - room_ids = yield self.store.get_rooms_for_user(row.user_id) - all_room_ids.update(room_ids) - self.notifier.on_new_event("device_list_key", token, rooms=all_room_ids) - elif stream_name == "presence": - yield self.presence_handler.process_replication_rows(token, rows) - elif stream_name == "receipts": - self.notifier.on_new_event( - "groups_key", token, users=[row.user_id for row in rows] - ) - except Exception: - logger.exception("Error processing replication") - - -def start(config_options): - try: - config = HomeServerConfig.load_config("Synapse synchrotron", config_options) - except ConfigError as e: - sys.stderr.write("\n" + str(e) + "\n") - sys.exit(1) - - assert config.worker_app == "synapse.app.synchrotron" - - synapse.events.USE_FROZEN_DICTS = config.use_frozen_dicts - - database_engine = create_engine(config.database_config) - - ss = SynchrotronServer( - config.server_name, - db_config=config.database_config, - config=config, - version_string="Synapse/" + get_version_string(synapse), - database_engine=database_engine, - application_service_handler=SynchrotronApplicationService(), - ) - - setup_logging(ss, config, use_worker_options=True) - - ss.setup() - reactor.addSystemEventTrigger( - "before", "startup", _base.start, ss, config.worker_listeners - ) - - _base.start_worker_reactor("synapse-synchrotron", config) +import sys +from synapse.app.generic_worker import start +from synapse.util.logcontext import LoggingContext if __name__ == "__main__": with LoggingContext("main"): |