From a8d16f6c00d5adb204af5fa73ffaea40eea4b632 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Wed, 30 Oct 2019 13:33:38 +0000 Subject: [PATCH] Review comments --- synapse/server.py | 5 ++--- synapse/storage/__init__.py | 4 ++-- synapse/storage/data_stores/main/events.py | 19 ++++++++++++++----- synapse/storage/persist_events.py | 13 ++++++++++--- tests/crypto/test_keyring.py | 4 ++-- tests/test_federation.py | 11 +++++++---- 6 files changed, 37 insertions(+), 19 deletions(-) diff --git a/synapse/server.py b/synapse/server.py index 54a7f4aa5..0b81af646 100644 --- a/synapse/server.py +++ b/synapse/server.py @@ -226,7 +226,6 @@ class HomeServer(object): self.admin_redaction_ratelimiter = Ratelimiter() self.registration_ratelimiter = Ratelimiter() - self.datastore = None self.datastores = None # Other kwargs are explicit dependencies @@ -236,8 +235,8 @@ class HomeServer(object): def setup(self): logger.info("Setting up.") with self.get_db_conn() as conn: - self.datastore = self.DATASTORE_CLASS(conn, self) - self.datastores = DataStores(self.datastore, conn, self) + datastore = self.DATASTORE_CLASS(conn, self) + self.datastores = DataStores(datastore, conn, self) conn.commit() logger.info("Finished setting up.") diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py index a58187a76..a6429d17e 100644 --- a/synapse/storage/__init__.py +++ b/synapse/storage/__init__.py @@ -29,7 +29,7 @@ stored in `synapse.storage.schema`. from synapse.storage.data_stores import DataStores from synapse.storage.data_stores.main import DataStore -from synapse.storage.persist_events import EventsPersistenceStore +from synapse.storage.persist_events import EventsPersistenceStorage __all__ = ["DataStores", "DataStore"] @@ -44,7 +44,7 @@ class Storage(object): # interfaces. self.main = stores.main - self.persistence = EventsPersistenceStore(hs, stores) + self.persistence = EventsPersistenceStorage(hs, stores) def are_all_users_on_domain(txn, database_engine, domain): diff --git a/synapse/storage/data_stores/main/events.py b/synapse/storage/data_stores/main/events.py index 6304531cd..813f34528 100644 --- a/synapse/storage/data_stores/main/events.py +++ b/synapse/storage/data_stores/main/events.py @@ -146,7 +146,7 @@ class EventsStore( @_retry_on_integrity_error @defer.inlineCallbacks - def _persist_events( + def _persist_events_and_state_updates( self, events_and_contexts, current_state_for_room, @@ -155,18 +155,27 @@ class EventsStore( backfilled=False, delete_existing=False, ): - """Persist events to db + """Persist a set of events alongside updates to the current state and + forward extremities tables. Args: events_and_contexts (list[(EventBase, EventContext)]): - backfilled (bool): + current_state_for_room (dict[str, dict]): Map from room_id to the + current state of the room based on forward extremities + state_delta_for_room (dict[str, tuple]): Map from room_id to tuple + of `(to_delete, to_insert)` where to_delete is a list + of type/state keys to remove from current state, and to_insert + is a map (type,key)->event_id giving the state delta in each + room. + new_forward_extremities (dict[str, list[str]]): Map from room_id + to list of event IDs that are the new forward extremities of + the room. + backfilled (bool) delete_existing (bool): Returns: Deferred: resolves when the events have been persisted """ - if not events_and_contexts: - return # We want to calculate the stream orderings as late as possible, as # we only notify after all events with a lesser stream ordering have diff --git a/synapse/storage/persist_events.py b/synapse/storage/persist_events.py index 9a63953d4..cf6622557 100644 --- a/synapse/storage/persist_events.py +++ b/synapse/storage/persist_events.py @@ -171,7 +171,13 @@ class _EventPeristenceQueue(object): pass -class EventsPersistenceStore(object): +class EventsPersistenceStorage(object): + """High level interface for handling persisting newly received events. + + Takes care of batching up events by room, and calculating the necessary + current state and forward extremity changes. + """ + def __init__(self, hs, stores: DataStores): # We ultimately want to split out the state store from the main store, # so we use separate variables here even though they point to the same @@ -257,7 +263,8 @@ class EventsPersistenceStore(object): def _persist_events( self, events_and_contexts, backfilled=False, delete_existing=False ): - """Persist events to db + """Calculates the change to current state and forward extremities, and + persists the given events and with those updates. Args: events_and_contexts (list[(EventBase, EventContext)]): @@ -399,7 +406,7 @@ class EventsPersistenceStore(object): if current_state is not None: current_state_for_room[room_id] = current_state - yield self.main_store._persist_events( + yield self.main_store._persist_events_and_state_updates( chunk, current_state_for_room=current_state_for_room, state_delta_for_room=state_delta_for_room, diff --git a/tests/crypto/test_keyring.py b/tests/crypto/test_keyring.py index c4f0bbd3d..8efd39c7f 100644 --- a/tests/crypto/test_keyring.py +++ b/tests/crypto/test_keyring.py @@ -178,7 +178,7 @@ class KeyringTestCase(unittest.HomeserverTestCase): kr = keyring.Keyring(self.hs) key1 = signedjson.key.generate_signing_key(1) - r = self.hs.datastore.store_server_verify_keys( + r = self.hs.get_datastore().store_server_verify_keys( "server9", time.time() * 1000, [("server9", get_key_id(key1), FetchKeyResult(get_verify_key(key1), 1000))], @@ -209,7 +209,7 @@ class KeyringTestCase(unittest.HomeserverTestCase): ) key1 = signedjson.key.generate_signing_key(1) - r = self.hs.datastore.store_server_verify_keys( + r = self.hs.get_datastore().store_server_verify_keys( "server9", time.time() * 1000, [("server9", get_key_id(key1), FetchKeyResult(get_verify_key(key1), None))], diff --git a/tests/test_federation.py b/tests/test_federation.py index a73f18f88..d1acb16f3 100644 --- a/tests/test_federation.py +++ b/tests/test_federation.py @@ -36,7 +36,8 @@ class MessageAcceptTests(unittest.TestCase): # Figure out what the most recent event is most_recent = self.successResultOf( maybeDeferred( - self.homeserver.datastore.get_latest_event_ids_in_room, self.room_id + self.homeserver.get_datastore().get_latest_event_ids_in_room, + self.room_id, ) )[0] @@ -75,7 +76,8 @@ class MessageAcceptTests(unittest.TestCase): self.assertEqual( self.successResultOf( maybeDeferred( - self.homeserver.datastore.get_latest_event_ids_in_room, self.room_id + self.homeserver.get_datastore().get_latest_event_ids_in_room, + self.room_id, ) )[0], "$join:test.serv", @@ -97,7 +99,8 @@ class MessageAcceptTests(unittest.TestCase): # Figure out what the most recent event is most_recent = self.successResultOf( maybeDeferred( - self.homeserver.datastore.get_latest_event_ids_in_room, self.room_id + self.homeserver.get_datastore().get_latest_event_ids_in_room, + self.room_id, ) )[0] @@ -137,6 +140,6 @@ class MessageAcceptTests(unittest.TestCase): # Make sure the invalid event isn't there extrem = maybeDeferred( - self.homeserver.datastore.get_latest_event_ids_in_room, self.room_id + self.homeserver.get_datastore().get_latest_event_ids_in_room, self.room_id ) self.assertEqual(self.successResultOf(extrem)[0], "$join:test.serv")