From 69f0054ce675bd9d35104c39af9fae9a908b7f33 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Wed, 23 Oct 2019 17:25:54 +0100 Subject: Port to use state storage --- synapse/notifier.py | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'synapse/notifier.py') diff --git a/synapse/notifier.py b/synapse/notifier.py index 4e091314e6..af161a81d7 100644 --- a/synapse/notifier.py +++ b/synapse/notifier.py @@ -159,6 +159,7 @@ class Notifier(object): self.room_to_user_streams = {} self.hs = hs + self.storage = hs.get_storage() self.event_sources = hs.get_event_sources() self.store = hs.get_datastore() self.pending_new_room_events = [] @@ -425,7 +426,10 @@ class Notifier(object): if name == "room": new_events = yield filter_events_for_client( - self.store, user.to_string(), new_events, is_peeking=is_peeking + self.storage, + user.to_string(), + new_events, + is_peeking=is_peeking, ) elif name == "presence": now = self.clock.time_msec() -- cgit 1.5.1 From 8437e2383ed2dffacca5395851023eeacb33d7ba Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Thu, 5 Dec 2019 17:58:25 +0000 Subject: Port SyncHandler to async/await --- synapse/handlers/events.py | 30 +++--- synapse/handlers/sync.py | 251 +++++++++++++++++++++----------------------- synapse/notifier.py | 29 +++-- synapse/util/metrics.py | 23 ++-- tests/handlers/test_sync.py | 33 +++--- tests/unittest.py | 7 +- 6 files changed, 182 insertions(+), 191 deletions(-) (limited to 'synapse/notifier.py') diff --git a/synapse/handlers/events.py b/synapse/handlers/events.py index 45fe13c62f..ec18a42a68 100644 --- a/synapse/handlers/events.py +++ b/synapse/handlers/events.py @@ -16,8 +16,6 @@ import logging import random -from twisted.internet import defer - from synapse.api.constants import EventTypes, Membership from synapse.api.errors import AuthError, SynapseError from synapse.events import EventBase @@ -50,9 +48,8 @@ class EventStreamHandler(BaseHandler): self._server_notices_sender = hs.get_server_notices_sender() self._event_serializer = hs.get_event_client_serializer() - @defer.inlineCallbacks @log_function - def get_stream( + async def get_stream( self, auth_user_id, pagin_config, @@ -69,17 +66,17 @@ class EventStreamHandler(BaseHandler): """ if room_id: - blocked = yield self.store.is_room_blocked(room_id) + blocked = await self.store.is_room_blocked(room_id) if blocked: raise SynapseError(403, "This room has been blocked on this server") # send any outstanding server notices to the user. - yield self._server_notices_sender.on_user_syncing(auth_user_id) + await self._server_notices_sender.on_user_syncing(auth_user_id) auth_user = UserID.from_string(auth_user_id) presence_handler = self.hs.get_presence_handler() - context = yield presence_handler.user_syncing( + context = await presence_handler.user_syncing( auth_user_id, affect_presence=affect_presence ) with context: @@ -91,7 +88,7 @@ class EventStreamHandler(BaseHandler): # thundering herds on restart. timeout = random.randint(int(timeout * 0.9), int(timeout * 1.1)) - events, tokens = yield self.notifier.get_events_for( + events, tokens = await self.notifier.get_events_for( auth_user, pagin_config, timeout, @@ -112,14 +109,14 @@ class EventStreamHandler(BaseHandler): # Send down presence. if event.state_key == auth_user_id: # Send down presence for everyone in the room. - users = yield self.state.get_current_users_in_room( + users = await self.state.get_current_users_in_room( event.room_id ) - states = yield presence_handler.get_states(users, as_event=True) + states = await presence_handler.get_states(users, as_event=True) to_add.extend(states) else: - ev = yield presence_handler.get_state( + ev = await presence_handler.get_state( UserID.from_string(event.state_key), as_event=True ) to_add.append(ev) @@ -128,7 +125,7 @@ class EventStreamHandler(BaseHandler): time_now = self.clock.time_msec() - chunks = yield self._event_serializer.serialize_events( + chunks = await self._event_serializer.serialize_events( events, time_now, as_client_event=as_client_event, @@ -151,8 +148,7 @@ class EventHandler(BaseHandler): super(EventHandler, self).__init__(hs) self.storage = hs.get_storage() - @defer.inlineCallbacks - def get_event(self, user, room_id, event_id): + async def get_event(self, user, room_id, event_id): """Retrieve a single specified event. Args: @@ -167,15 +163,15 @@ class EventHandler(BaseHandler): AuthError if the user does not have the rights to inspect this event. """ - event = yield self.store.get_event(event_id, check_room_id=room_id) + event = await self.store.get_event(event_id, check_room_id=room_id) if not event: return None - users = yield self.store.get_users_in_room(event.room_id) + users = await self.store.get_users_in_room(event.room_id) is_peeking = user.to_string() not in users - filtered = yield filter_events_for_client( + filtered = await filter_events_for_client( self.storage, user.to_string(), [event], is_peeking=is_peeking ) diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py index b536d410e5..12751fd8c0 100644 --- a/synapse/handlers/sync.py +++ b/synapse/handlers/sync.py @@ -22,8 +22,6 @@ from six import iteritems, itervalues from prometheus_client import Counter -from twisted.internet import defer - from synapse.api.constants import EventTypes, Membership from synapse.logging.context import LoggingContext from synapse.push.clientformat import format_push_rules_for_user @@ -241,8 +239,7 @@ class SyncHandler(object): expiry_ms=LAZY_LOADED_MEMBERS_CACHE_MAX_AGE, ) - @defer.inlineCallbacks - def wait_for_sync_for_user( + async def wait_for_sync_for_user( self, sync_config, since_token=None, timeout=0, full_state=False ): """Get the sync for a client if we have new data for it now. Otherwise @@ -255,9 +252,9 @@ class SyncHandler(object): # not been exceeded (if not part of the group by this point, almost certain # auth_blocking will occur) user_id = sync_config.user.to_string() - yield self.auth.check_auth_blocking(user_id) + await self.auth.check_auth_blocking(user_id) - res = yield self.response_cache.wrap( + res = await self.response_cache.wrap( sync_config.request_key, self._wait_for_sync_for_user, sync_config, @@ -267,8 +264,9 @@ class SyncHandler(object): ) return res - @defer.inlineCallbacks - def _wait_for_sync_for_user(self, sync_config, since_token, timeout, full_state): + async def _wait_for_sync_for_user( + self, sync_config, since_token, timeout, full_state + ): if since_token is None: sync_type = "initial_sync" elif full_state: @@ -283,7 +281,7 @@ class SyncHandler(object): if timeout == 0 or since_token is None or full_state: # we are going to return immediately, so don't bother calling # notifier.wait_for_events. - result = yield self.current_sync_for_user( + result = await self.current_sync_for_user( sync_config, since_token, full_state=full_state ) else: @@ -291,7 +289,7 @@ class SyncHandler(object): def current_sync_callback(before_token, after_token): return self.current_sync_for_user(sync_config, since_token) - result = yield self.notifier.wait_for_events( + result = await self.notifier.wait_for_events( sync_config.user.to_string(), timeout, current_sync_callback, @@ -314,15 +312,13 @@ class SyncHandler(object): """ return self.generate_sync_result(sync_config, since_token, full_state) - @defer.inlineCallbacks - def push_rules_for_user(self, user): + async def push_rules_for_user(self, user): user_id = user.to_string() - rules = yield self.store.get_push_rules_for_user(user_id) + rules = await self.store.get_push_rules_for_user(user_id) rules = format_push_rules_for_user(user, rules) return rules - @defer.inlineCallbacks - def ephemeral_by_room(self, sync_result_builder, now_token, since_token=None): + async def ephemeral_by_room(self, sync_result_builder, now_token, since_token=None): """Get the ephemeral events for each room the user is in Args: sync_result_builder(SyncResultBuilder) @@ -343,7 +339,7 @@ class SyncHandler(object): room_ids = sync_result_builder.joined_room_ids typing_source = self.event_sources.sources["typing"] - typing, typing_key = yield typing_source.get_new_events( + typing, typing_key = typing_source.get_new_events( user=sync_config.user, from_key=typing_key, limit=sync_config.filter_collection.ephemeral_limit(), @@ -365,7 +361,7 @@ class SyncHandler(object): receipt_key = since_token.receipt_key if since_token else "0" receipt_source = self.event_sources.sources["receipt"] - receipts, receipt_key = yield receipt_source.get_new_events( + receipts, receipt_key = await receipt_source.get_new_events( user=sync_config.user, from_key=receipt_key, limit=sync_config.filter_collection.ephemeral_limit(), @@ -382,8 +378,7 @@ class SyncHandler(object): return now_token, ephemeral_by_room - @defer.inlineCallbacks - def _load_filtered_recents( + async def _load_filtered_recents( self, room_id, sync_config, @@ -415,10 +410,10 @@ class SyncHandler(object): # ensure that we always include current state in the timeline current_state_ids = frozenset() if any(e.is_state() for e in recents): - current_state_ids = yield self.state.get_current_state_ids(room_id) + current_state_ids = await self.state.get_current_state_ids(room_id) current_state_ids = frozenset(itervalues(current_state_ids)) - recents = yield filter_events_for_client( + recents = await filter_events_for_client( self.storage, sync_config.user.to_string(), recents, @@ -449,14 +444,14 @@ class SyncHandler(object): # Otherwise, we want to return the last N events in the room # in toplogical ordering. if since_key: - events, end_key = yield self.store.get_room_events_stream_for_room( + events, end_key = await self.store.get_room_events_stream_for_room( room_id, limit=load_limit + 1, from_key=since_key, to_key=end_key, ) else: - events, end_key = yield self.store.get_recent_events_for_room( + events, end_key = await self.store.get_recent_events_for_room( room_id, limit=load_limit + 1, end_token=end_key ) loaded_recents = sync_config.filter_collection.filter_room_timeline( @@ -468,10 +463,10 @@ class SyncHandler(object): # ensure that we always include current state in the timeline current_state_ids = frozenset() if any(e.is_state() for e in loaded_recents): - current_state_ids = yield self.state.get_current_state_ids(room_id) + current_state_ids = await self.state.get_current_state_ids(room_id) current_state_ids = frozenset(itervalues(current_state_ids)) - loaded_recents = yield filter_events_for_client( + loaded_recents = await filter_events_for_client( self.storage, sync_config.user.to_string(), loaded_recents, @@ -498,8 +493,7 @@ class SyncHandler(object): limited=limited or newly_joined_room, ) - @defer.inlineCallbacks - def get_state_after_event(self, event, state_filter=StateFilter.all()): + async def get_state_after_event(self, event, state_filter=StateFilter.all()): """ Get the room state after the given event @@ -511,7 +505,7 @@ class SyncHandler(object): Returns: A Deferred map from ((type, state_key)->Event) """ - state_ids = yield self.state_store.get_state_ids_for_event( + state_ids = await self.state_store.get_state_ids_for_event( event.event_id, state_filter=state_filter ) if event.is_state(): @@ -519,8 +513,9 @@ class SyncHandler(object): state_ids[(event.type, event.state_key)] = event.event_id return state_ids - @defer.inlineCallbacks - def get_state_at(self, room_id, stream_position, state_filter=StateFilter.all()): + async def get_state_at( + self, room_id, stream_position, state_filter=StateFilter.all() + ): """ Get the room state at a particular stream position Args: @@ -536,13 +531,13 @@ class SyncHandler(object): # get_recent_events_for_room operates by topo ordering. This therefore # does not reliably give you the state at the given stream position. # (https://github.com/matrix-org/synapse/issues/3305) - last_events, _ = yield self.store.get_recent_events_for_room( + last_events, _ = await self.store.get_recent_events_for_room( room_id, end_token=stream_position.room_key, limit=1 ) if last_events: last_event = last_events[-1] - state = yield self.get_state_after_event( + state = await self.get_state_after_event( last_event, state_filter=state_filter ) @@ -551,8 +546,7 @@ class SyncHandler(object): state = {} return state - @defer.inlineCallbacks - def compute_summary(self, room_id, sync_config, batch, state, now_token): + async def compute_summary(self, room_id, sync_config, batch, state, now_token): """ Works out a room summary block for this room, summarising the number of joined members in the room, and providing the 'hero' members if the room has no name so clients can consistently name rooms. Also adds @@ -574,7 +568,7 @@ class SyncHandler(object): # FIXME: we could/should get this from room_stats when matthew/stats lands # FIXME: this promulgates https://github.com/matrix-org/synapse/issues/3305 - last_events, _ = yield self.store.get_recent_event_ids_for_room( + last_events, _ = await self.store.get_recent_event_ids_for_room( room_id, end_token=now_token.room_key, limit=1 ) @@ -582,7 +576,7 @@ class SyncHandler(object): return None last_event = last_events[-1] - state_ids = yield self.state_store.get_state_ids_for_event( + state_ids = await self.state_store.get_state_ids_for_event( last_event.event_id, state_filter=StateFilter.from_types( [(EventTypes.Name, ""), (EventTypes.CanonicalAlias, "")] @@ -590,7 +584,7 @@ class SyncHandler(object): ) # this is heavily cached, thus: fast. - details = yield self.store.get_room_summary(room_id) + details = await self.store.get_room_summary(room_id) name_id = state_ids.get((EventTypes.Name, "")) canonical_alias_id = state_ids.get((EventTypes.CanonicalAlias, "")) @@ -608,12 +602,12 @@ class SyncHandler(object): # calculating heroes. Empty strings are falsey, so we check # for the "name" value and default to an empty string. if name_id: - name = yield self.store.get_event(name_id, allow_none=True) + name = await self.store.get_event(name_id, allow_none=True) if name and name.content.get("name"): return summary if canonical_alias_id: - canonical_alias = yield self.store.get_event( + canonical_alias = await self.store.get_event( canonical_alias_id, allow_none=True ) if canonical_alias and canonical_alias.content.get("alias"): @@ -678,7 +672,7 @@ class SyncHandler(object): ) ] - missing_hero_state = yield self.store.get_events(missing_hero_event_ids) + missing_hero_state = await self.store.get_events(missing_hero_event_ids) missing_hero_state = missing_hero_state.values() for s in missing_hero_state: @@ -697,8 +691,7 @@ class SyncHandler(object): logger.debug("found LruCache for %r", cache_key) return cache - @defer.inlineCallbacks - def compute_state_delta( + async def compute_state_delta( self, room_id, batch, sync_config, since_token, now_token, full_state ): """ Works out the difference in state between the start of the timeline @@ -759,16 +752,16 @@ class SyncHandler(object): if full_state: if batch: - current_state_ids = yield self.state_store.get_state_ids_for_event( + current_state_ids = await self.state_store.get_state_ids_for_event( batch.events[-1].event_id, state_filter=state_filter ) - state_ids = yield self.state_store.get_state_ids_for_event( + state_ids = await self.state_store.get_state_ids_for_event( batch.events[0].event_id, state_filter=state_filter ) else: - current_state_ids = yield self.get_state_at( + current_state_ids = await self.get_state_at( room_id, stream_position=now_token, state_filter=state_filter ) @@ -783,13 +776,13 @@ class SyncHandler(object): ) elif batch.limited: if batch: - state_at_timeline_start = yield self.state_store.get_state_ids_for_event( + state_at_timeline_start = await self.state_store.get_state_ids_for_event( batch.events[0].event_id, state_filter=state_filter ) else: # We can get here if the user has ignored the senders of all # the recent events. - state_at_timeline_start = yield self.get_state_at( + state_at_timeline_start = await self.get_state_at( room_id, stream_position=now_token, state_filter=state_filter ) @@ -807,19 +800,19 @@ class SyncHandler(object): # about them). state_filter = StateFilter.all() - state_at_previous_sync = yield self.get_state_at( + state_at_previous_sync = await self.get_state_at( room_id, stream_position=since_token, state_filter=state_filter ) if batch: - current_state_ids = yield self.state_store.get_state_ids_for_event( + current_state_ids = await self.state_store.get_state_ids_for_event( batch.events[-1].event_id, state_filter=state_filter ) else: # Its not clear how we get here, but empirically we do # (#5407). Logging has been added elsewhere to try and # figure out where this state comes from. - current_state_ids = yield self.get_state_at( + current_state_ids = await self.get_state_at( room_id, stream_position=now_token, state_filter=state_filter ) @@ -843,7 +836,7 @@ class SyncHandler(object): # So we fish out all the member events corresponding to the # timeline here, and then dedupe any redundant ones below. - state_ids = yield self.state_store.get_state_ids_for_event( + state_ids = await self.state_store.get_state_ids_for_event( batch.events[0].event_id, # we only want members! state_filter=StateFilter.from_types( @@ -883,7 +876,7 @@ class SyncHandler(object): state = {} if state_ids: - state = yield self.store.get_events(list(state_ids.values())) + state = await self.store.get_events(list(state_ids.values())) return { (e.type, e.state_key): e @@ -892,10 +885,9 @@ class SyncHandler(object): ) } - @defer.inlineCallbacks - def unread_notifs_for_room_id(self, room_id, sync_config): + async def unread_notifs_for_room_id(self, room_id, sync_config): with Measure(self.clock, "unread_notifs_for_room_id"): - last_unread_event_id = yield self.store.get_last_receipt_event_id_for_user( + last_unread_event_id = await self.store.get_last_receipt_event_id_for_user( user_id=sync_config.user.to_string(), room_id=room_id, receipt_type="m.read", @@ -903,7 +895,7 @@ class SyncHandler(object): notifs = [] if last_unread_event_id: - notifs = yield self.store.get_unread_event_push_actions_by_room_for_user( + notifs = await self.store.get_unread_event_push_actions_by_room_for_user( room_id, sync_config.user.to_string(), last_unread_event_id ) return notifs @@ -912,8 +904,9 @@ class SyncHandler(object): # count is whatever it was last time. return None - @defer.inlineCallbacks - def generate_sync_result(self, sync_config, since_token=None, full_state=False): + async def generate_sync_result( + self, sync_config, since_token=None, full_state=False + ): """Generates a sync result. Args: @@ -928,7 +921,7 @@ class SyncHandler(object): # this is due to some of the underlying streams not supporting the ability # to query up to a given point. # Always use the `now_token` in `SyncResultBuilder` - now_token = yield self.event_sources.get_current_token() + now_token = await self.event_sources.get_current_token() logger.info( "Calculating sync response for %r between %s and %s", @@ -944,10 +937,9 @@ class SyncHandler(object): # See https://github.com/matrix-org/matrix-doc/issues/1144 raise NotImplementedError() else: - joined_room_ids = yield self.get_rooms_for_user_at( + joined_room_ids = await self.get_rooms_for_user_at( user_id, now_token.room_stream_id ) - sync_result_builder = SyncResultBuilder( sync_config, full_state, @@ -956,11 +948,11 @@ class SyncHandler(object): joined_room_ids=joined_room_ids, ) - account_data_by_room = yield self._generate_sync_entry_for_account_data( + account_data_by_room = await self._generate_sync_entry_for_account_data( sync_result_builder ) - res = yield self._generate_sync_entry_for_rooms( + res = await self._generate_sync_entry_for_rooms( sync_result_builder, account_data_by_room ) newly_joined_rooms, newly_joined_or_invited_users, _, _ = res @@ -970,13 +962,13 @@ class SyncHandler(object): since_token is None and sync_config.filter_collection.blocks_all_presence() ) if self.hs_config.use_presence and not block_all_presence_data: - yield self._generate_sync_entry_for_presence( + await self._generate_sync_entry_for_presence( sync_result_builder, newly_joined_rooms, newly_joined_or_invited_users ) - yield self._generate_sync_entry_for_to_device(sync_result_builder) + await self._generate_sync_entry_for_to_device(sync_result_builder) - device_lists = yield self._generate_sync_entry_for_device_list( + device_lists = await self._generate_sync_entry_for_device_list( sync_result_builder, newly_joined_rooms=newly_joined_rooms, newly_joined_or_invited_users=newly_joined_or_invited_users, @@ -987,11 +979,11 @@ class SyncHandler(object): device_id = sync_config.device_id one_time_key_counts = {} if device_id: - one_time_key_counts = yield self.store.count_e2e_one_time_keys( + one_time_key_counts = await self.store.count_e2e_one_time_keys( user_id, device_id ) - yield self._generate_sync_entry_for_groups(sync_result_builder) + await self._generate_sync_entry_for_groups(sync_result_builder) # debug for https://github.com/matrix-org/synapse/issues/4422 for joined_room in sync_result_builder.joined: @@ -1015,18 +1007,17 @@ class SyncHandler(object): ) @measure_func("_generate_sync_entry_for_groups") - @defer.inlineCallbacks - def _generate_sync_entry_for_groups(self, sync_result_builder): + async def _generate_sync_entry_for_groups(self, sync_result_builder): user_id = sync_result_builder.sync_config.user.to_string() since_token = sync_result_builder.since_token now_token = sync_result_builder.now_token if since_token and since_token.groups_key: - results = yield self.store.get_groups_changes_for_user( + results = self.store.get_groups_changes_for_user( user_id, since_token.groups_key, now_token.groups_key ) else: - results = yield self.store.get_all_groups_for_user( + results = await self.store.get_all_groups_for_user( user_id, now_token.groups_key ) @@ -1059,8 +1050,7 @@ class SyncHandler(object): ) @measure_func("_generate_sync_entry_for_device_list") - @defer.inlineCallbacks - def _generate_sync_entry_for_device_list( + async def _generate_sync_entry_for_device_list( self, sync_result_builder, newly_joined_rooms, @@ -1108,32 +1098,32 @@ class SyncHandler(object): # room with by looking at all users that have left a room plus users # that were in a room we've left. - users_who_share_room = yield self.store.get_users_who_share_room_with_user( + users_who_share_room = await self.store.get_users_who_share_room_with_user( user_id ) # Step 1a, check for changes in devices of users we share a room with - users_that_have_changed = yield self.store.get_users_whose_devices_changed( + users_that_have_changed = await self.store.get_users_whose_devices_changed( since_token.device_list_key, users_who_share_room ) # Step 1b, check for newly joined rooms for room_id in newly_joined_rooms: - joined_users = yield self.state.get_current_users_in_room(room_id) + joined_users = await self.state.get_current_users_in_room(room_id) newly_joined_or_invited_users.update(joined_users) # TODO: Check that these users are actually new, i.e. either they # weren't in the previous sync *or* they left and rejoined. users_that_have_changed.update(newly_joined_or_invited_users) - user_signatures_changed = yield self.store.get_users_whose_signatures_changed( + user_signatures_changed = await self.store.get_users_whose_signatures_changed( user_id, since_token.device_list_key ) users_that_have_changed.update(user_signatures_changed) # Now find users that we no longer track for room_id in newly_left_rooms: - left_users = yield self.state.get_current_users_in_room(room_id) + left_users = await self.state.get_current_users_in_room(room_id) newly_left_users.update(left_users) # Remove any users that we still share a room with. @@ -1143,8 +1133,7 @@ class SyncHandler(object): else: return DeviceLists(changed=[], left=[]) - @defer.inlineCallbacks - def _generate_sync_entry_for_to_device(self, sync_result_builder): + async def _generate_sync_entry_for_to_device(self, sync_result_builder): """Generates the portion of the sync response. Populates `sync_result_builder` with the result. @@ -1165,14 +1154,14 @@ class SyncHandler(object): # We only delete messages when a new message comes in, but that's # fine so long as we delete them at some point. - deleted = yield self.store.delete_messages_for_device( + deleted = await self.store.delete_messages_for_device( user_id, device_id, since_stream_id ) logger.debug( "Deleted %d to-device messages up to %d", deleted, since_stream_id ) - messages, stream_id = yield self.store.get_new_messages_for_device( + messages, stream_id = await self.store.get_new_messages_for_device( user_id, device_id, since_stream_id, now_token.to_device_key ) @@ -1190,8 +1179,7 @@ class SyncHandler(object): else: sync_result_builder.to_device = [] - @defer.inlineCallbacks - def _generate_sync_entry_for_account_data(self, sync_result_builder): + async def _generate_sync_entry_for_account_data(self, sync_result_builder): """Generates the account data portion of the sync response. Populates `sync_result_builder` with the result. @@ -1209,25 +1197,25 @@ class SyncHandler(object): ( account_data, account_data_by_room, - ) = yield self.store.get_updated_account_data_for_user( + ) = self.store.get_updated_account_data_for_user( user_id, since_token.account_data_key ) - push_rules_changed = yield self.store.have_push_rules_changed_for_user( + push_rules_changed = await self.store.have_push_rules_changed_for_user( user_id, int(since_token.push_rules_key) ) if push_rules_changed: - account_data["m.push_rules"] = yield self.push_rules_for_user( + account_data["m.push_rules"] = await self.push_rules_for_user( sync_config.user ) else: ( account_data, account_data_by_room, - ) = yield self.store.get_account_data_for_user(sync_config.user.to_string()) + ) = await self.store.get_account_data_for_user(sync_config.user.to_string()) - account_data["m.push_rules"] = yield self.push_rules_for_user( + account_data["m.push_rules"] = await self.push_rules_for_user( sync_config.user ) @@ -1242,8 +1230,7 @@ class SyncHandler(object): return account_data_by_room - @defer.inlineCallbacks - def _generate_sync_entry_for_presence( + async def _generate_sync_entry_for_presence( self, sync_result_builder, newly_joined_rooms, newly_joined_or_invited_users ): """Generates the presence portion of the sync response. Populates the @@ -1271,7 +1258,7 @@ class SyncHandler(object): presence_key = None include_offline = False - presence, presence_key = yield presence_source.get_new_events( + presence, presence_key = await presence_source.get_new_events( user=user, from_key=presence_key, is_guest=sync_config.is_guest, @@ -1283,12 +1270,12 @@ class SyncHandler(object): extra_users_ids = set(newly_joined_or_invited_users) for room_id in newly_joined_rooms: - users = yield self.state.get_current_users_in_room(room_id) + users = await self.state.get_current_users_in_room(room_id) extra_users_ids.update(users) extra_users_ids.discard(user.to_string()) if extra_users_ids: - states = yield self.presence_handler.get_states(extra_users_ids) + states = await self.presence_handler.get_states(extra_users_ids) presence.extend(states) # Deduplicate the presence entries so that there's at most one per user @@ -1298,8 +1285,9 @@ class SyncHandler(object): sync_result_builder.presence = presence - @defer.inlineCallbacks - def _generate_sync_entry_for_rooms(self, sync_result_builder, account_data_by_room): + async def _generate_sync_entry_for_rooms( + self, sync_result_builder, account_data_by_room + ): """Generates the rooms portion of the sync response. Populates the `sync_result_builder` with the result. @@ -1321,7 +1309,7 @@ class SyncHandler(object): if block_all_room_ephemeral: ephemeral_by_room = {} else: - now_token, ephemeral_by_room = yield self.ephemeral_by_room( + now_token, ephemeral_by_room = await self.ephemeral_by_room( sync_result_builder, now_token=sync_result_builder.now_token, since_token=sync_result_builder.since_token, @@ -1333,16 +1321,16 @@ class SyncHandler(object): since_token = sync_result_builder.since_token if not sync_result_builder.full_state: if since_token and not ephemeral_by_room and not account_data_by_room: - have_changed = yield self._have_rooms_changed(sync_result_builder) + have_changed = await self._have_rooms_changed(sync_result_builder) if not have_changed: - tags_by_room = yield self.store.get_updated_tags( + tags_by_room = await self.store.get_updated_tags( user_id, since_token.account_data_key ) if not tags_by_room: logger.debug("no-oping sync") return [], [], [], [] - ignored_account_data = yield self.store.get_global_account_data_by_type_for_user( + ignored_account_data = await self.store.get_global_account_data_by_type_for_user( "m.ignored_user_list", user_id=user_id ) @@ -1352,18 +1340,18 @@ class SyncHandler(object): ignored_users = frozenset() if since_token: - res = yield self._get_rooms_changed(sync_result_builder, ignored_users) + res = await self._get_rooms_changed(sync_result_builder, ignored_users) room_entries, invited, newly_joined_rooms, newly_left_rooms = res - tags_by_room = yield self.store.get_updated_tags( + tags_by_room = await self.store.get_updated_tags( user_id, since_token.account_data_key ) else: - res = yield self._get_all_rooms(sync_result_builder, ignored_users) + res = await self._get_all_rooms(sync_result_builder, ignored_users) room_entries, invited, newly_joined_rooms = res newly_left_rooms = [] - tags_by_room = yield self.store.get_tags_for_user(user_id) + tags_by_room = await self.store.get_tags_for_user(user_id) def handle_room_entries(room_entry): return self._generate_room_entry( @@ -1376,7 +1364,7 @@ class SyncHandler(object): always_include=sync_result_builder.full_state, ) - yield concurrently_execute(handle_room_entries, room_entries, 10) + await concurrently_execute(handle_room_entries, room_entries, 10) sync_result_builder.invited.extend(invited) @@ -1410,8 +1398,7 @@ class SyncHandler(object): newly_left_users, ) - @defer.inlineCallbacks - def _have_rooms_changed(self, sync_result_builder): + async def _have_rooms_changed(self, sync_result_builder): """Returns whether there may be any new events that should be sent down the sync. Returns True if there are. """ @@ -1422,7 +1409,7 @@ class SyncHandler(object): assert since_token # Get a list of membership change events that have happened. - rooms_changed = yield self.store.get_membership_changes_for_user( + rooms_changed = await self.store.get_membership_changes_for_user( user_id, since_token.room_key, now_token.room_key ) @@ -1435,8 +1422,7 @@ class SyncHandler(object): return True return False - @defer.inlineCallbacks - def _get_rooms_changed(self, sync_result_builder, ignored_users): + async def _get_rooms_changed(self, sync_result_builder, ignored_users): """Gets the the changes that have happened since the last sync. Args: @@ -1461,7 +1447,7 @@ class SyncHandler(object): assert since_token # Get a list of membership change events that have happened. - rooms_changed = yield self.store.get_membership_changes_for_user( + rooms_changed = await self.store.get_membership_changes_for_user( user_id, since_token.room_key, now_token.room_key ) @@ -1499,11 +1485,11 @@ class SyncHandler(object): continue if room_id in sync_result_builder.joined_room_ids or has_join: - old_state_ids = yield self.get_state_at(room_id, since_token) + old_state_ids = await self.get_state_at(room_id, since_token) old_mem_ev_id = old_state_ids.get((EventTypes.Member, user_id), None) old_mem_ev = None if old_mem_ev_id: - old_mem_ev = yield self.store.get_event( + old_mem_ev = await self.store.get_event( old_mem_ev_id, allow_none=True ) @@ -1536,13 +1522,13 @@ class SyncHandler(object): newly_left_rooms.append(room_id) else: if not old_state_ids: - old_state_ids = yield self.get_state_at(room_id, since_token) + old_state_ids = await self.get_state_at(room_id, since_token) old_mem_ev_id = old_state_ids.get( (EventTypes.Member, user_id), None ) old_mem_ev = None if old_mem_ev_id: - old_mem_ev = yield self.store.get_event( + old_mem_ev = await self.store.get_event( old_mem_ev_id, allow_none=True ) if old_mem_ev and old_mem_ev.membership == Membership.JOIN: @@ -1566,7 +1552,7 @@ class SyncHandler(object): if leave_events: leave_event = leave_events[-1] - leave_stream_token = yield self.store.get_stream_token_for_event( + leave_stream_token = await self.store.get_stream_token_for_event( leave_event.event_id ) leave_token = since_token.copy_and_replace( @@ -1603,7 +1589,7 @@ class SyncHandler(object): timeline_limit = sync_config.filter_collection.timeline_limit() # Get all events for rooms we're currently joined to. - room_to_events = yield self.store.get_room_events_stream_for_rooms( + room_to_events = await self.store.get_room_events_stream_for_rooms( room_ids=sync_result_builder.joined_room_ids, from_key=since_token.room_key, to_key=now_token.room_key, @@ -1652,8 +1638,7 @@ class SyncHandler(object): return room_entries, invited, newly_joined_rooms, newly_left_rooms - @defer.inlineCallbacks - def _get_all_rooms(self, sync_result_builder, ignored_users): + async def _get_all_rooms(self, sync_result_builder, ignored_users): """Returns entries for all rooms for the user. Args: @@ -1677,7 +1662,7 @@ class SyncHandler(object): Membership.BAN, ) - room_list = yield self.store.get_rooms_for_user_where_membership_is( + room_list = await self.store.get_rooms_for_user_where_membership_is( user_id=user_id, membership_list=membership_list ) @@ -1700,7 +1685,7 @@ class SyncHandler(object): elif event.membership == Membership.INVITE: if event.sender in ignored_users: continue - invite = yield self.store.get_event(event.event_id) + invite = await self.store.get_event(event.event_id) invited.append(InvitedSyncResult(room_id=event.room_id, invite=invite)) elif event.membership in (Membership.LEAVE, Membership.BAN): # Always send down rooms we were banned or kicked from. @@ -1726,8 +1711,7 @@ class SyncHandler(object): return room_entries, invited, [] - @defer.inlineCallbacks - def _generate_room_entry( + async def _generate_room_entry( self, sync_result_builder, ignored_users, @@ -1769,7 +1753,7 @@ class SyncHandler(object): since_token = room_builder.since_token upto_token = room_builder.upto_token - batch = yield self._load_filtered_recents( + batch = await self._load_filtered_recents( room_id, sync_config, now_token=upto_token, @@ -1796,7 +1780,7 @@ class SyncHandler(object): # tag was added by synapse e.g. for server notice rooms. if full_state: user_id = sync_result_builder.sync_config.user.to_string() - tags = yield self.store.get_tags_for_room(user_id, room_id) + tags = await self.store.get_tags_for_room(user_id, room_id) # If there aren't any tags, don't send the empty tags list down # sync @@ -1821,7 +1805,7 @@ class SyncHandler(object): ): return - state = yield self.compute_state_delta( + state = await self.compute_state_delta( room_id, batch, sync_config, since_token, now_token, full_state=full_state ) @@ -1844,7 +1828,7 @@ class SyncHandler(object): ) or since_token is None ): - summary = yield self.compute_summary( + summary = await self.compute_summary( room_id, sync_config, batch, state, now_token ) @@ -1861,7 +1845,7 @@ class SyncHandler(object): ) if room_sync or always_include: - notifs = yield self.unread_notifs_for_room_id(room_id, sync_config) + notifs = await self.unread_notifs_for_room_id(room_id, sync_config) if notifs is not None: unread_notifications["notification_count"] = notifs["notify_count"] @@ -1887,8 +1871,7 @@ class SyncHandler(object): else: raise Exception("Unrecognized rtype: %r", room_builder.rtype) - @defer.inlineCallbacks - def get_rooms_for_user_at(self, user_id, stream_ordering): + async def get_rooms_for_user_at(self, user_id, stream_ordering): """Get set of joined rooms for a user at the given stream ordering. The stream ordering *must* be recent, otherwise this may throw an @@ -1903,7 +1886,7 @@ class SyncHandler(object): Deferred[frozenset[str]]: Set of room_ids the user is in at given stream_ordering. """ - joined_rooms = yield self.store.get_rooms_for_user_with_stream_ordering(user_id) + joined_rooms = await self.store.get_rooms_for_user_with_stream_ordering(user_id) joined_room_ids = set() @@ -1921,10 +1904,10 @@ class SyncHandler(object): logger.info("User joined room after current token: %s", room_id) - extrems = yield self.store.get_forward_extremeties_for_room( + extrems = await self.store.get_forward_extremeties_for_room( room_id, stream_ordering ) - users_in_room = yield self.state.get_current_users_in_room(room_id, extrems) + users_in_room = await self.state.get_current_users_in_room(room_id, extrems) if user_id in users_in_room: joined_room_ids.add(room_id) diff --git a/synapse/notifier.py b/synapse/notifier.py index af161a81d7..5f5f765bea 100644 --- a/synapse/notifier.py +++ b/synapse/notifier.py @@ -304,8 +304,7 @@ class Notifier(object): without waking up any of the normal user event streams""" self.notify_replication() - @defer.inlineCallbacks - def wait_for_events( + async def wait_for_events( self, user_id, timeout, callback, room_ids=None, from_token=StreamToken.START ): """Wait until the callback returns a non empty response or the @@ -313,9 +312,9 @@ class Notifier(object): """ user_stream = self.user_to_user_stream.get(user_id) if user_stream is None: - current_token = yield self.event_sources.get_current_token() + current_token = await self.event_sources.get_current_token() if room_ids is None: - room_ids = yield self.store.get_rooms_for_user(user_id) + room_ids = await self.store.get_rooms_for_user(user_id) user_stream = _NotifierUserStream( user_id=user_id, rooms=room_ids, @@ -344,11 +343,11 @@ class Notifier(object): self.hs.get_reactor(), ) with PreserveLoggingContext(): - yield listener.deferred + await listener.deferred current_token = user_stream.current_token - result = yield callback(prev_token, current_token) + result = await callback(prev_token, current_token) if result: break @@ -364,12 +363,11 @@ class Notifier(object): # This happened if there was no timeout or if the timeout had # already expired. current_token = user_stream.current_token - result = yield callback(prev_token, current_token) + result = await callback(prev_token, current_token) return result - @defer.inlineCallbacks - def get_events_for( + async def get_events_for( self, user, pagination_config, @@ -391,15 +389,14 @@ class Notifier(object): """ from_token = pagination_config.from_token if not from_token: - from_token = yield self.event_sources.get_current_token() + from_token = await self.event_sources.get_current_token() limit = pagination_config.limit - room_ids, is_joined = yield self._get_room_ids(user, explicit_room_id) + room_ids, is_joined = await self._get_room_ids(user, explicit_room_id) is_peeking = not is_joined - @defer.inlineCallbacks - def check_for_updates(before_token, after_token): + async def check_for_updates(before_token, after_token): if not after_token.is_after(before_token): return EventStreamResult([], (from_token, from_token)) @@ -415,7 +412,7 @@ class Notifier(object): if only_keys and name not in only_keys: continue - new_events, new_key = yield source.get_new_events( + new_events, new_key = await source.get_new_events( user=user, from_key=getattr(from_token, keyname), limit=limit, @@ -425,7 +422,7 @@ class Notifier(object): ) if name == "room": - new_events = yield filter_events_for_client( + new_events = await filter_events_for_client( self.storage, user.to_string(), new_events, @@ -461,7 +458,7 @@ class Notifier(object): user_id_for_stream, ) - result = yield self.wait_for_events( + result = await self.wait_for_events( user_id_for_stream, timeout, check_for_updates, diff --git a/synapse/util/metrics.py b/synapse/util/metrics.py index 3286804322..63ddaaba87 100644 --- a/synapse/util/metrics.py +++ b/synapse/util/metrics.py @@ -13,6 +13,7 @@ # See the License for the specific language governing permissions and # limitations under the License. +import inspect import logging from functools import wraps @@ -64,12 +65,22 @@ def measure_func(name=None): def wrapper(func): block_name = func.__name__ if name is None else name - @wraps(func) - @defer.inlineCallbacks - def measured_func(self, *args, **kwargs): - with Measure(self.clock, block_name): - r = yield func(self, *args, **kwargs) - return r + if inspect.iscoroutinefunction(func): + + @wraps(func) + async def measured_func(self, *args, **kwargs): + with Measure(self.clock, block_name): + r = await func(self, *args, **kwargs) + return r + + else: + + @wraps(func) + @defer.inlineCallbacks + def measured_func(self, *args, **kwargs): + with Measure(self.clock, block_name): + r = yield func(self, *args, **kwargs) + return r return measured_func diff --git a/tests/handlers/test_sync.py b/tests/handlers/test_sync.py index 31f54bbd7d..758ee071a5 100644 --- a/tests/handlers/test_sync.py +++ b/tests/handlers/test_sync.py @@ -12,54 +12,53 @@ # 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. -from twisted.internet import defer from synapse.api.errors import Codes, ResourceLimitError from synapse.api.filtering import DEFAULT_FILTER_COLLECTION -from synapse.handlers.sync import SyncConfig, SyncHandler +from synapse.handlers.sync import SyncConfig from synapse.types import UserID import tests.unittest import tests.utils -from tests.utils import setup_test_homeserver -class SyncTestCase(tests.unittest.TestCase): +class SyncTestCase(tests.unittest.HomeserverTestCase): """ Tests Sync Handler. """ - @defer.inlineCallbacks - def setUp(self): - self.hs = yield setup_test_homeserver(self.addCleanup) - self.sync_handler = SyncHandler(self.hs) + def prepare(self, reactor, clock, hs): + self.hs = hs + self.sync_handler = self.hs.get_sync_handler() self.store = self.hs.get_datastore() - @defer.inlineCallbacks def test_wait_for_sync_for_user_auth_blocking(self): user_id1 = "@user1:server" user_id2 = "@user2:server" sync_config = self._generate_sync_config(user_id1) + self.reactor.advance(100) # So we get not 0 time self.hs.config.limit_usage_by_mau = True self.hs.config.max_mau_value = 1 # Check that the happy case does not throw errors - yield self.store.upsert_monthly_active_user(user_id1) - yield self.sync_handler.wait_for_sync_for_user(sync_config) + self.get_success(self.store.upsert_monthly_active_user(user_id1)) + self.get_success(self.sync_handler.wait_for_sync_for_user(sync_config)) # Test that global lock works self.hs.config.hs_disabled = True - with self.assertRaises(ResourceLimitError) as e: - yield self.sync_handler.wait_for_sync_for_user(sync_config) - self.assertEquals(e.exception.errcode, Codes.RESOURCE_LIMIT_EXCEEDED) + e = self.get_failure( + self.sync_handler.wait_for_sync_for_user(sync_config), ResourceLimitError + ) + self.assertEquals(e.value.errcode, Codes.RESOURCE_LIMIT_EXCEEDED) self.hs.config.hs_disabled = False sync_config = self._generate_sync_config(user_id2) - with self.assertRaises(ResourceLimitError) as e: - yield self.sync_handler.wait_for_sync_for_user(sync_config) - self.assertEquals(e.exception.errcode, Codes.RESOURCE_LIMIT_EXCEEDED) + e = self.get_failure( + self.sync_handler.wait_for_sync_for_user(sync_config), ResourceLimitError + ) + self.assertEquals(e.value.errcode, Codes.RESOURCE_LIMIT_EXCEEDED) def _generate_sync_config(self, user_id): return SyncConfig( diff --git a/tests/unittest.py b/tests/unittest.py index 295573bc46..a1bdd963e6 100644 --- a/tests/unittest.py +++ b/tests/unittest.py @@ -18,6 +18,7 @@ import gc import hashlib import hmac +import inspect import logging import time @@ -25,7 +26,7 @@ from mock import Mock from canonicaljson import json -from twisted.internet.defer import Deferred, succeed +from twisted.internet.defer import Deferred, ensureDeferred, succeed from twisted.python.threadpool import ThreadPool from twisted.trial import unittest @@ -415,6 +416,8 @@ class HomeserverTestCase(TestCase): self.reactor.pump([by] * 100) def get_success(self, d, by=0.0): + if inspect.isawaitable(d): + d = ensureDeferred(d) if not isinstance(d, Deferred): return d self.pump(by=by) @@ -424,6 +427,8 @@ class HomeserverTestCase(TestCase): """ Run a Deferred and get a Failure from it. The failure must be of the type `exc`. """ + if inspect.isawaitable(d): + d = ensureDeferred(d) if not isinstance(d, Deferred): return d self.pump() -- cgit 1.5.1 From a8a50f5b5746279379b4511c8ecb2a40b143fe32 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Fri, 17 Jan 2020 10:27:19 +0000 Subject: Wake up transaction queue when remote server comes back online (#6706) This will be used to retry outbound transactions to a remote server if we think it might have come back up. --- changelog.d/6706.misc | 1 + docs/tcp_replication.md | 6 +++++- synapse/app/federation_sender.py | 12 +++++++++++- synapse/federation/sender/__init__.py | 18 ++++++++++++++++-- synapse/federation/transport/server.py | 19 ++++++++++++++++++- synapse/notifier.py | 31 ++++++++++++++++++++++++++++--- synapse/replication/tcp/client.py | 3 +++ synapse/replication/tcp/commands.py | 17 +++++++++++++++++ synapse/replication/tcp/protocol.py | 15 +++++++++++++++ synapse/replication/tcp/resource.py | 9 +++++++++ synapse/server.pyi | 12 ++++++++++++ 11 files changed, 135 insertions(+), 8 deletions(-) create mode 100644 changelog.d/6706.misc (limited to 'synapse/notifier.py') diff --git a/changelog.d/6706.misc b/changelog.d/6706.misc new file mode 100644 index 0000000000..1ac11cc04b --- /dev/null +++ b/changelog.d/6706.misc @@ -0,0 +1 @@ +Attempt to retry sending a transaction when we detect a remote server has come back online, rather than waiting for a transaction to be triggered by new data. diff --git a/docs/tcp_replication.md b/docs/tcp_replication.md index ba9e874d07..a0b1d563ff 100644 --- a/docs/tcp_replication.md +++ b/docs/tcp_replication.md @@ -209,7 +209,7 @@ Where `` may be either: * a numeric stream_id to stream updates since (exclusive) * `NOW` to stream all subsequent updates. -The `` is the name of a replication stream to subscribe +The `` is the name of a replication stream to subscribe to (see [here](../synapse/replication/tcp/streams/_base.py) for a list of streams). It can also be `ALL` to subscribe to all known streams, in which case the `` must be set to `NOW`. @@ -234,6 +234,10 @@ in which case the `` must be set to `NOW`. Used exclusively in tests +### REMOTE_SERVER_UP (S, C) + + Inform other processes that a remote server may have come back online. + See `synapse/replication/tcp/commands.py` for a detailed description and the format of each command. diff --git a/synapse/app/federation_sender.py b/synapse/app/federation_sender.py index a57cf991ac..38d11fdd0f 100644 --- a/synapse/app/federation_sender.py +++ b/synapse/app/federation_sender.py @@ -158,6 +158,13 @@ class FederationSenderReplicationHandler(ReplicationClientHandler): args.update(self.send_handler.stream_positions()) return args + 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. + self.send_handler.wake_destination(server) + def start(config_options): try: @@ -205,7 +212,7 @@ class FederationSenderHandler(object): to the federation sender. """ - def __init__(self, hs, replication_client): + def __init__(self, hs: FederationSenderServer, replication_client): self.store = hs.get_datastore() self._is_mine_id = hs.is_mine_id self.federation_sender = hs.get_federation_sender() @@ -226,6 +233,9 @@ class FederationSenderHandler(object): self.store.get_room_max_stream_ordering() ) + def wake_destination(self, server: str): + self.federation_sender.wake_destination(server) + def stream_positions(self): return {"federation": self.federation_position} diff --git a/synapse/federation/sender/__init__.py b/synapse/federation/sender/__init__.py index 4ebb0e8bc0..36c83c3027 100644 --- a/synapse/federation/sender/__init__.py +++ b/synapse/federation/sender/__init__.py @@ -21,6 +21,7 @@ from prometheus_client import Counter from twisted.internet import defer +import synapse import synapse.metrics from synapse.federation.sender.per_destination_queue import PerDestinationQueue from synapse.federation.sender.transaction_manager import TransactionManager @@ -54,7 +55,7 @@ sent_pdus_destination_dist_total = Counter( class FederationSender(object): - def __init__(self, hs): + def __init__(self, hs: "synapse.server.HomeServer"): self.hs = hs self.server_name = hs.hostname @@ -482,7 +483,20 @@ class FederationSender(object): def send_device_messages(self, destination): if destination == self.server_name: - logger.info("Not sending device update to ourselves") + logger.warning("Not sending device update to ourselves") + return + + self._get_per_destination_queue(destination).attempt_new_transaction() + + def wake_destination(self, destination: str): + """Called when we want to retry sending transactions to a remote. + + This is mainly useful if the remote server has been down and we think it + might have come back. + """ + + if destination == self.server_name: + logger.warning("Not waking up ourselves") return self._get_per_destination_queue(destination).attempt_new_transaction() diff --git a/synapse/federation/transport/server.py b/synapse/federation/transport/server.py index b4cbf23394..d8cf9ed299 100644 --- a/synapse/federation/transport/server.py +++ b/synapse/federation/transport/server.py @@ -44,6 +44,7 @@ from synapse.logging.opentracing import ( tags, whitelisted_homeserver, ) +from synapse.server import HomeServer from synapse.types import ThirdPartyInstanceID, get_domain_from_id from synapse.util.ratelimitutils import FederationRateLimiter from synapse.util.versionstring import get_version_string @@ -101,12 +102,17 @@ class NoAuthenticationError(AuthenticationError): class Authenticator(object): - def __init__(self, hs): + def __init__(self, hs: HomeServer): self._clock = hs.get_clock() self.keyring = hs.get_keyring() self.server_name = hs.hostname self.store = hs.get_datastore() self.federation_domain_whitelist = hs.config.federation_domain_whitelist + self.notifer = hs.get_notifier() + + self.replication_client = None + if hs.config.worker.worker_app: + self.replication_client = hs.get_tcp_replication() # A method just so we can pass 'self' as the authenticator to the Servlets async def authenticate_request(self, request, content): @@ -166,6 +172,17 @@ class Authenticator(object): try: logger.info("Marking origin %r as up", origin) await self.store.set_destination_retry_timings(origin, None, 0, 0) + + # Inform the relevant places that the remote server is back up. + self.notifer.notify_remote_server_up(origin) + if self.replication_client: + # If we're on a worker we try and inform master about this. The + # replication client doesn't hook into the notifier to avoid + # infinite loops where we send a `REMOTE_SERVER_UP` command to + # master, which then echoes it back to us which in turn pokes + # the notifier. + self.replication_client.send_remote_server_up(origin) + except Exception: logger.exception("Error resetting retry timings on %s", origin) diff --git a/synapse/notifier.py b/synapse/notifier.py index 5f5f765bea..6132727cbd 100644 --- a/synapse/notifier.py +++ b/synapse/notifier.py @@ -15,11 +15,13 @@ import logging from collections import namedtuple +from typing import Callable, List from prometheus_client import Counter from twisted.internet import defer +import synapse.server from synapse.api.constants import EventTypes, Membership from synapse.api.errors import AuthError from synapse.handlers.presence import format_user_presence_state @@ -154,7 +156,7 @@ class Notifier(object): UNUSED_STREAM_EXPIRY_MS = 10 * 60 * 1000 - def __init__(self, hs): + def __init__(self, hs: "synapse.server.HomeServer"): self.user_to_user_stream = {} self.room_to_user_streams = {} @@ -164,7 +166,12 @@ class Notifier(object): self.store = hs.get_datastore() self.pending_new_room_events = [] - self.replication_callbacks = [] + # Called when there are new things to stream over replication + self.replication_callbacks = [] # type: List[Callable[[], None]] + + # Called when remote servers have come back online after having been + # down. + self.remote_server_up_callbacks = [] # type: List[Callable[[str], None]] self.clock = hs.get_clock() self.appservice_handler = hs.get_application_service_handler() @@ -205,7 +212,7 @@ class Notifier(object): "synapse_notifier_users", "", [], lambda: len(self.user_to_user_stream) ) - def add_replication_callback(self, cb): + def add_replication_callback(self, cb: Callable[[], None]): """Add a callback that will be called when some new data is available. Callback is not given any arguments. It should *not* return a Deferred - if it needs to do any asynchronous work, a background thread should be started and @@ -213,6 +220,12 @@ class Notifier(object): """ self.replication_callbacks.append(cb) + def add_remote_server_up_callback(self, cb: Callable[[str], None]): + """Add a callback that will be called when synapse detects a server + has been + """ + self.remote_server_up_callbacks.append(cb) + def on_new_room_event( self, event, room_stream_id, max_room_stream_id, extra_users=[] ): @@ -522,3 +535,15 @@ class Notifier(object): """Notify the any replication listeners that there's a new event""" for cb in self.replication_callbacks: cb() + + def notify_remote_server_up(self, server: str): + """Notify any replication that a remote server has come back up + """ + # We call federation_sender directly rather than registering as a + # callback as a) we already have a reference to it and b) it introduces + # circular dependencies. + if self.federation_sender: + self.federation_sender.wake_destination(server) + + for cb in self.remote_server_up_callbacks: + cb(server) diff --git a/synapse/replication/tcp/client.py b/synapse/replication/tcp/client.py index 52a0aefe68..fc06a7b053 100644 --- a/synapse/replication/tcp/client.py +++ b/synapse/replication/tcp/client.py @@ -143,6 +143,9 @@ class ReplicationClientHandler(AbstractReplicationClientHandler): if d: d.callback(data) + def on_remote_server_up(self, server: str): + """Called when get a new REMOTE_SERVER_UP command.""" + def get_streams_to_replicate(self) -> Dict[str, int]: """Called when a new connection has been established and we need to subscribe to streams. diff --git a/synapse/replication/tcp/commands.py b/synapse/replication/tcp/commands.py index cbb36b9acf..451671412d 100644 --- a/synapse/replication/tcp/commands.py +++ b/synapse/replication/tcp/commands.py @@ -387,6 +387,20 @@ class UserIpCommand(Command): ) +class RemoteServerUpCommand(Command): + """Sent when a worker has detected that a remote server is no longer + "down" and retry timings should be reset. + + If sent from a client the server will relay to all other workers. + + Format:: + + REMOTE_SERVER_UP + """ + + NAME = "REMOTE_SERVER_UP" + + _COMMANDS = ( ServerCommand, RdataCommand, @@ -401,6 +415,7 @@ _COMMANDS = ( RemovePusherCommand, InvalidateCacheCommand, UserIpCommand, + RemoteServerUpCommand, ) # type: Tuple[Type[Command], ...] # Map of command name to command type. @@ -414,6 +429,7 @@ VALID_SERVER_COMMANDS = ( ErrorCommand.NAME, PingCommand.NAME, SyncCommand.NAME, + RemoteServerUpCommand.NAME, ) # The commands the client is allowed to send @@ -427,4 +443,5 @@ VALID_CLIENT_COMMANDS = ( InvalidateCacheCommand.NAME, UserIpCommand.NAME, ErrorCommand.NAME, + RemoteServerUpCommand.NAME, ) diff --git a/synapse/replication/tcp/protocol.py b/synapse/replication/tcp/protocol.py index 5f4bdf84d2..131e5acb09 100644 --- a/synapse/replication/tcp/protocol.py +++ b/synapse/replication/tcp/protocol.py @@ -76,6 +76,7 @@ from synapse.replication.tcp.commands import ( PingCommand, PositionCommand, RdataCommand, + RemoteServerUpCommand, ReplicateCommand, ServerCommand, SyncCommand, @@ -460,6 +461,9 @@ class ServerReplicationStreamProtocol(BaseReplicationStreamProtocol): async def on_INVALIDATE_CACHE(self, cmd): self.streamer.on_invalidate_cache(cmd.cache_func, cmd.keys) + async def on_REMOTE_SERVER_UP(self, cmd: RemoteServerUpCommand): + self.streamer.on_remote_server_up(cmd.data) + async def on_USER_IP(self, cmd): self.streamer.on_user_ip( cmd.user_id, @@ -555,6 +559,9 @@ class ServerReplicationStreamProtocol(BaseReplicationStreamProtocol): def send_sync(self, data): self.send_command(SyncCommand(data)) + def send_remote_server_up(self, server: str): + self.send_command(RemoteServerUpCommand(server)) + def on_connection_closed(self): BaseReplicationStreamProtocol.on_connection_closed(self) self.streamer.lost_connection(self) @@ -588,6 +595,11 @@ class AbstractReplicationClientHandler(metaclass=abc.ABCMeta): """Called when get a new SYNC command.""" raise NotImplementedError() + @abc.abstractmethod + async def on_remote_server_up(self, server: str): + """Called when get a new REMOTE_SERVER_UP command.""" + raise NotImplementedError() + @abc.abstractmethod def get_streams_to_replicate(self): """Called when a new connection has been established and we need to @@ -707,6 +719,9 @@ class ClientReplicationStreamProtocol(BaseReplicationStreamProtocol): async def on_SYNC(self, cmd): self.handler.on_sync(cmd.data) + async def on_REMOTE_SERVER_UP(self, cmd: RemoteServerUpCommand): + self.handler.on_remote_server_up(cmd.data) + def replicate(self, stream_name, token): """Send the subscription request to the server """ diff --git a/synapse/replication/tcp/resource.py b/synapse/replication/tcp/resource.py index b1752e88cd..6ebf944f66 100644 --- a/synapse/replication/tcp/resource.py +++ b/synapse/replication/tcp/resource.py @@ -120,6 +120,7 @@ class ReplicationStreamer(object): self.federation_sender = hs.get_federation_sender() self.notifier.add_replication_callback(self.on_notifier_poke) + self.notifier.add_remote_server_up_callback(self.send_remote_server_up) # Keeps track of whether we are currently checking for updates self.is_looping = False @@ -288,6 +289,14 @@ class ReplicationStreamer(object): ) await self._server_notices_sender.on_user_ip(user_id) + @measure_func("repl.on_remote_server_up") + def on_remote_server_up(self, server: str): + self.notifier.notify_remote_server_up(server) + + def send_remote_server_up(self, server: str): + for conn in self.connections: + conn.send_remote_server_up(server) + def send_sync_to_all_connections(self, data): """Sends a SYNC command to all clients. diff --git a/synapse/server.pyi b/synapse/server.pyi index b5e0b57095..0731403047 100644 --- a/synapse/server.pyi +++ b/synapse/server.pyi @@ -1,3 +1,5 @@ +import twisted.internet + import synapse.api.auth import synapse.config.homeserver import synapse.federation.sender @@ -9,10 +11,12 @@ import synapse.handlers.deactivate_account import synapse.handlers.device import synapse.handlers.e2e_keys import synapse.handlers.message +import synapse.handlers.presence import synapse.handlers.room import synapse.handlers.room_member import synapse.handlers.set_password import synapse.http.client +import synapse.notifier import synapse.rest.media.v1.media_repository import synapse.server_notices.server_notices_manager import synapse.server_notices.server_notices_sender @@ -85,3 +89,11 @@ class HomeServer(object): self, ) -> synapse.server_notices.server_notices_sender.ServerNoticesSender: pass + def get_notifier(self) -> synapse.notifier.Notifier: + pass + def get_presence_handler(self) -> synapse.handlers.presence.PresenceHandler: + pass + def get_clock(self) -> synapse.util.Clock: + pass + def get_reactor(self) -> twisted.internet.base.ReactorBase: + pass -- cgit 1.5.1 From 3eab76ad43e1de4074550c468d11318d497ff632 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Wed, 29 Apr 2020 14:10:59 +0100 Subject: Don't relay REMOTE_SERVER_UP cmds to same conn. (#7352) For direct TCP connections we need the master to relay REMOTE_SERVER_UP commands to the other connections so that all instances get notified about it. The old implementation just relayed to all connections, assuming that sending back to the original sender of the command was safe. This is not true for redis, where commands sent get echoed back to the sender, which was causing master to effectively infinite loop sending and then re-receiving REMOTE_SERVER_UP commands that it sent. The fix is to ensure that we only relay to *other* connections and not to the connection we received the notification from. Fixes #7334. --- changelog.d/7352.feature | 1 + synapse/notifier.py | 9 ---- synapse/replication/tcp/handler.py | 63 ++++++++++++++++++++------ synapse/replication/tcp/protocol.py | 2 +- synapse/replication/tcp/redis.py | 2 +- tests/replication/tcp/test_remote_server_up.py | 62 +++++++++++++++++++++++++ 6 files changed, 114 insertions(+), 25 deletions(-) create mode 100644 changelog.d/7352.feature create mode 100644 tests/replication/tcp/test_remote_server_up.py (limited to 'synapse/notifier.py') diff --git a/changelog.d/7352.feature b/changelog.d/7352.feature new file mode 100644 index 0000000000..ce6140fdd1 --- /dev/null +++ b/changelog.d/7352.feature @@ -0,0 +1 @@ +Add support for running replication over Redis when using workers. diff --git a/synapse/notifier.py b/synapse/notifier.py index 6132727cbd..88a5a97caf 100644 --- a/synapse/notifier.py +++ b/synapse/notifier.py @@ -220,12 +220,6 @@ class Notifier(object): """ self.replication_callbacks.append(cb) - def add_remote_server_up_callback(self, cb: Callable[[str], None]): - """Add a callback that will be called when synapse detects a server - has been - """ - self.remote_server_up_callbacks.append(cb) - def on_new_room_event( self, event, room_stream_id, max_room_stream_id, extra_users=[] ): @@ -544,6 +538,3 @@ class Notifier(object): # circular dependencies. if self.federation_sender: self.federation_sender.wake_destination(server) - - for cb in self.remote_server_up_callbacks: - cb(server) diff --git a/synapse/replication/tcp/handler.py b/synapse/replication/tcp/handler.py index 3a8c7c7e2d..b8f49a8d0f 100644 --- a/synapse/replication/tcp/handler.py +++ b/synapse/replication/tcp/handler.py @@ -117,7 +117,6 @@ class ReplicationCommandHandler: self._server_notices_sender = None if self._is_master: self._server_notices_sender = hs.get_server_notices_sender() - self._notifier.add_remote_server_up_callback(self.send_remote_server_up) def start_replication(self, hs): """Helper method to start a replication connection to the remote server @@ -163,7 +162,7 @@ class ReplicationCommandHandler: port = hs.config.worker_replication_port hs.get_reactor().connectTCP(host, port, self._factory) - async def on_REPLICATE(self, cmd: ReplicateCommand): + async def on_REPLICATE(self, conn: AbstractConnection, cmd: ReplicateCommand): # We only want to announce positions by the writer of the streams. # Currently this is just the master process. if not self._is_master: @@ -173,7 +172,7 @@ class ReplicationCommandHandler: current_token = stream.current_token() self.send_command(PositionCommand(stream_name, current_token)) - async def on_USER_SYNC(self, cmd: UserSyncCommand): + async def on_USER_SYNC(self, conn: AbstractConnection, cmd: UserSyncCommand): user_sync_counter.inc() if self._is_master: @@ -181,17 +180,23 @@ class ReplicationCommandHandler: cmd.instance_id, cmd.user_id, cmd.is_syncing, cmd.last_sync_ms ) - async def on_CLEAR_USER_SYNC(self, cmd: ClearUserSyncsCommand): + async def on_CLEAR_USER_SYNC( + self, conn: AbstractConnection, cmd: ClearUserSyncsCommand + ): if self._is_master: await self._presence_handler.update_external_syncs_clear(cmd.instance_id) - async def on_FEDERATION_ACK(self, cmd: FederationAckCommand): + async def on_FEDERATION_ACK( + self, conn: AbstractConnection, cmd: FederationAckCommand + ): federation_ack_counter.inc() if self._federation_sender: self._federation_sender.federation_ack(cmd.token) - async def on_REMOVE_PUSHER(self, cmd: RemovePusherCommand): + async def on_REMOVE_PUSHER( + self, conn: AbstractConnection, cmd: RemovePusherCommand + ): remove_pusher_counter.inc() if self._is_master: @@ -201,7 +206,9 @@ class ReplicationCommandHandler: self._notifier.on_new_replication_data() - async def on_INVALIDATE_CACHE(self, cmd: InvalidateCacheCommand): + async def on_INVALIDATE_CACHE( + self, conn: AbstractConnection, cmd: InvalidateCacheCommand + ): invalidate_cache_counter.inc() if self._is_master: @@ -211,7 +218,7 @@ class ReplicationCommandHandler: cmd.cache_func, tuple(cmd.keys) ) - async def on_USER_IP(self, cmd: UserIpCommand): + async def on_USER_IP(self, conn: AbstractConnection, cmd: UserIpCommand): user_ip_cache_counter.inc() if self._is_master: @@ -227,7 +234,7 @@ class ReplicationCommandHandler: if self._server_notices_sender: await self._server_notices_sender.on_user_ip(cmd.user_id) - async def on_RDATA(self, cmd: RdataCommand): + async def on_RDATA(self, conn: AbstractConnection, cmd: RdataCommand): stream_name = cmd.stream_name inbound_rdata_count.labels(stream_name).inc() @@ -278,7 +285,7 @@ class ReplicationCommandHandler: logger.debug("Received rdata %s -> %s", stream_name, token) await self._replication_data_handler.on_rdata(stream_name, token, rows) - async def on_POSITION(self, cmd: PositionCommand): + async def on_POSITION(self, conn: AbstractConnection, cmd: PositionCommand): stream = self._streams.get(cmd.stream_name) if not stream: logger.error("Got POSITION for unknown stream: %s", cmd.stream_name) @@ -332,12 +339,30 @@ class ReplicationCommandHandler: self._streams_connected.add(cmd.stream_name) - async def on_REMOTE_SERVER_UP(self, cmd: RemoteServerUpCommand): + async def on_REMOTE_SERVER_UP( + self, conn: AbstractConnection, cmd: RemoteServerUpCommand + ): """"Called when get a new REMOTE_SERVER_UP command.""" self._replication_data_handler.on_remote_server_up(cmd.data) - if self._is_master: - self._notifier.notify_remote_server_up(cmd.data) + self._notifier.notify_remote_server_up(cmd.data) + + # We relay to all other connections to ensure every instance gets the + # notification. + # + # When configured to use redis we'll always only have one connection and + # so this is a no-op (all instances will have already received the same + # REMOTE_SERVER_UP command). + # + # For direct TCP connections this will relay to all other connections + # connected to us. When on master this will correctly fan out to all + # other direct TCP clients and on workers there'll only be the one + # connection to master. + # + # (The logic here should also be sound if we have a mix of Redis and + # direct TCP connections so long as there is only one traffic route + # between two instances, but that is not currently supported). + self.send_command(cmd, ignore_conn=conn) def new_connection(self, connection: AbstractConnection): """Called when we have a new connection. @@ -382,11 +407,21 @@ class ReplicationCommandHandler: """ return bool(self._connections) - def send_command(self, cmd: Command): + def send_command( + self, cmd: Command, ignore_conn: Optional[AbstractConnection] = None + ): """Send a command to all connected connections. + + Args: + cmd + ignore_conn: If set don't send command to the given connection. + Used when relaying commands from one connection to all others. """ if self._connections: for connection in self._connections: + if connection == ignore_conn: + continue + try: connection.send_command(cmd) except Exception: diff --git a/synapse/replication/tcp/protocol.py b/synapse/replication/tcp/protocol.py index e3f64eba8f..4198eece71 100644 --- a/synapse/replication/tcp/protocol.py +++ b/synapse/replication/tcp/protocol.py @@ -260,7 +260,7 @@ class BaseReplicationStreamProtocol(LineOnlyReceiver): # Then call out to the handler. cmd_func = getattr(self.command_handler, "on_%s" % (cmd.NAME,), None) if cmd_func: - await cmd_func(cmd) + await cmd_func(self, cmd) handled = True if not handled: diff --git a/synapse/replication/tcp/redis.py b/synapse/replication/tcp/redis.py index 49b3ed0c5e..617e860f95 100644 --- a/synapse/replication/tcp/redis.py +++ b/synapse/replication/tcp/redis.py @@ -112,7 +112,7 @@ class RedisSubscriber(txredisapi.SubscriberProtocol, AbstractConnection): # Then call out to the handler. cmd_func = getattr(self.handler, "on_%s" % (cmd.NAME,), None) if cmd_func: - await cmd_func(cmd) + await cmd_func(self, cmd) handled = True if not handled: diff --git a/tests/replication/tcp/test_remote_server_up.py b/tests/replication/tcp/test_remote_server_up.py new file mode 100644 index 0000000000..d1c15caeb0 --- /dev/null +++ b/tests/replication/tcp/test_remote_server_up.py @@ -0,0 +1,62 @@ +# -*- coding: utf-8 -*- +# Copyright 2020 The Matrix.org Foundation C.I.C. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# 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. + +from typing import Tuple + +from twisted.internet.interfaces import IProtocol +from twisted.test.proto_helpers import StringTransport + +from synapse.replication.tcp.resource import ReplicationStreamProtocolFactory + +from tests.unittest import HomeserverTestCase + + +class RemoteServerUpTestCase(HomeserverTestCase): + def prepare(self, reactor, clock, hs): + self.factory = ReplicationStreamProtocolFactory(hs) + + def _make_client(self) -> Tuple[IProtocol, StringTransport]: + """Create a new direct TCP replication connection + """ + + proto = self.factory.buildProtocol(("127.0.0.1", 0)) + transport = StringTransport() + proto.makeConnection(transport) + + # We can safely ignore the commands received during connection. + self.pump() + transport.clear() + + return proto, transport + + def test_relay(self): + """Test that Synapse will relay REMOTE_SERVER_UP commands to all + other connections, but not the one that sent it. + """ + + proto1, transport1 = self._make_client() + + # We shouldn't receive an echo. + proto1.dataReceived(b"REMOTE_SERVER_UP example.com\n") + self.pump() + self.assertEqual(transport1.value(), b"") + + # But we should see an echo if we connect another client + proto2, transport2 = self._make_client() + proto1.dataReceived(b"REMOTE_SERVER_UP example.com\n") + + self.pump() + self.assertEqual(transport1.value(), b"") + self.assertEqual(transport2.value(), b"REMOTE_SERVER_UP example.com\n") -- cgit 1.5.1 From b0cbc57375f25b54ec512237eb2d82082338b5cc Mon Sep 17 00:00:00 2001 From: Patrick Cloke Date: Fri, 1 May 2020 15:14:49 -0400 Subject: Convert the synapse.notifier module to async/await. (#7395) --- changelog.d/7395.misc | 1 + synapse/notifier.py | 17 +++++++---------- 2 files changed, 8 insertions(+), 10 deletions(-) create mode 100644 changelog.d/7395.misc (limited to 'synapse/notifier.py') diff --git a/changelog.d/7395.misc b/changelog.d/7395.misc new file mode 100644 index 0000000000..bc0ad59e2c --- /dev/null +++ b/changelog.d/7395.misc @@ -0,0 +1 @@ +Convert synapse.notifier to async/await. diff --git a/synapse/notifier.py b/synapse/notifier.py index 88a5a97caf..71d9ed62b0 100644 --- a/synapse/notifier.py +++ b/synapse/notifier.py @@ -273,10 +273,9 @@ class Notifier(object): "room_key", room_stream_id, users=extra_users, rooms=[event.room_id] ) - @defer.inlineCallbacks - def _notify_app_services(self, room_stream_id): + async def _notify_app_services(self, room_stream_id): try: - yield self.appservice_handler.notify_interested_services(room_stream_id) + await self.appservice_handler.notify_interested_services(room_stream_id) except Exception: logger.exception("Error notifying application services of event") @@ -475,20 +474,18 @@ class Notifier(object): return result - @defer.inlineCallbacks - def _get_room_ids(self, user, explicit_room_id): - joined_room_ids = yield self.store.get_rooms_for_user(user.to_string()) + async def _get_room_ids(self, user, explicit_room_id): + joined_room_ids = await self.store.get_rooms_for_user(user.to_string()) if explicit_room_id: if explicit_room_id in joined_room_ids: return [explicit_room_id], True - if (yield self._is_world_readable(explicit_room_id)): + if await self._is_world_readable(explicit_room_id): return [explicit_room_id], False raise AuthError(403, "Non-joined access not allowed") return joined_room_ids, True - @defer.inlineCallbacks - def _is_world_readable(self, room_id): - state = yield self.state_handler.get_current_state( + async def _is_world_readable(self, room_id): + state = await self.state_handler.get_current_state( room_id, EventTypes.RoomHistoryVisibility, "" ) if state and "history_visibility" in state.content: -- cgit 1.5.1 From 1a1da60ad2c9172fe487cd38a164b39df60f4cb5 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Tue, 12 May 2020 11:20:48 +0100 Subject: Fix new flake8 errors (#7470) --- changelog.d/7470.misc | 1 + synapse/app/_base.py | 5 +++-- synapse/config/server.py | 2 +- synapse/notifier.py | 10 ++++++---- synapse/push/mailer.py | 7 +++++-- synapse/storage/database.py | 4 ++-- tests/config/test_load.py | 2 +- 7 files changed, 19 insertions(+), 12 deletions(-) create mode 100644 changelog.d/7470.misc (limited to 'synapse/notifier.py') diff --git a/changelog.d/7470.misc b/changelog.d/7470.misc new file mode 100644 index 0000000000..45e66ecf48 --- /dev/null +++ b/changelog.d/7470.misc @@ -0,0 +1 @@ +Fix linting errors in new version of Flake8. diff --git a/synapse/app/_base.py b/synapse/app/_base.py index 628292b890..dedff81af3 100644 --- a/synapse/app/_base.py +++ b/synapse/app/_base.py @@ -22,6 +22,7 @@ import sys import traceback from daemonize import Daemonize +from typing_extensions import NoReturn from twisted.internet import defer, error, reactor from twisted.protocols.tls import TLSMemoryBIOFactory @@ -139,9 +140,9 @@ def start_reactor( run() -def quit_with_error(error_string): +def quit_with_error(error_string: str) -> NoReturn: message_lines = error_string.split("\n") - line_length = max(len(l) for l in message_lines if len(l) < 80) + 2 + line_length = max(len(line) for line in message_lines if len(line) < 80) + 2 sys.stderr.write("*" * line_length + "\n") for line in message_lines: sys.stderr.write(" %s\n" % (line.rstrip(),)) diff --git a/synapse/config/server.py b/synapse/config/server.py index 6d88231843..ed28da3deb 100644 --- a/synapse/config/server.py +++ b/synapse/config/server.py @@ -522,7 +522,7 @@ class ServerConfig(Config): ) def has_tls_listener(self) -> bool: - return any(l["tls"] for l in self.listeners) + return any(listener["tls"] for listener in self.listeners) def generate_config_section( self, server_name, data_dir_path, open_private_ports, listeners, **kwargs diff --git a/synapse/notifier.py b/synapse/notifier.py index 71d9ed62b0..87c120a59c 100644 --- a/synapse/notifier.py +++ b/synapse/notifier.py @@ -15,7 +15,7 @@ import logging from collections import namedtuple -from typing import Callable, List +from typing import Callable, Iterable, List, TypeVar from prometheus_client import Counter @@ -42,12 +42,14 @@ users_woken_by_stream_counter = Counter( "synapse_notifier_users_woken_by_stream", "", ["stream"] ) +T = TypeVar("T") + # TODO(paul): Should be shared somewhere -def count(func, l): - """Return the number of items in l for which func returns true.""" +def count(func: Callable[[T], bool], it: Iterable[T]) -> int: + """Return the number of items in it for which func returns true.""" n = 0 - for x in l: + for x in it: if func(x): n += 1 return n diff --git a/synapse/push/mailer.py b/synapse/push/mailer.py index 73580c1c6c..ab33abbeed 100644 --- a/synapse/push/mailer.py +++ b/synapse/push/mailer.py @@ -19,6 +19,7 @@ import logging import time from email.mime.multipart import MIMEMultipart from email.mime.text import MIMEText +from typing import Iterable, List, TypeVar from six.moves import urllib @@ -41,6 +42,8 @@ from synapse.visibility import filter_events_for_client logger = logging.getLogger(__name__) +T = TypeVar("T") + MESSAGE_FROM_PERSON_IN_ROOM = ( "You have a message on %(app)s from %(person)s in the %(room)s room..." @@ -638,10 +641,10 @@ def safe_text(raw_text): ) -def deduped_ordered_list(l): +def deduped_ordered_list(it: Iterable[T]) -> List[T]: seen = set() ret = [] - for item in l: + for item in it: if item not in seen: seen.add(item) ret.append(item) diff --git a/synapse/storage/database.py b/synapse/storage/database.py index 2b635d6ca0..c3d0863429 100644 --- a/synapse/storage/database.py +++ b/synapse/storage/database.py @@ -214,9 +214,9 @@ class LoggingTransaction: def executemany(self, sql: str, *args: Any): self._do_execute(self.txn.executemany, sql, *args) - def _make_sql_one_line(self, sql): + def _make_sql_one_line(self, sql: str) -> str: "Strip newlines out of SQL so that the loggers in the DB are on one line" - return " ".join(l.strip() for l in sql.splitlines() if l.strip()) + return " ".join(line.strip() for line in sql.splitlines() if line.strip()) def _do_execute(self, func, sql, *args): sql = self._make_sql_one_line(sql) diff --git a/tests/config/test_load.py b/tests/config/test_load.py index b3e557bd6a..734a9983e8 100644 --- a/tests/config/test_load.py +++ b/tests/config/test_load.py @@ -122,7 +122,7 @@ class ConfigLoadingTestCase(unittest.TestCase): with open(self.file, "r") as f: contents = f.readlines() - contents = [l for l in contents if needle not in l] + contents = [line for line in contents if needle not in line] with open(self.file, "w") as f: f.write("".join(contents)) -- cgit 1.5.1