diff options
Diffstat (limited to 'synapse/storage/events.py')
| -rw-r--r-- | synapse/storage/events.py | 34 |
1 files changed, 27 insertions, 7 deletions
diff --git a/synapse/storage/events.py b/synapse/storage/events.py index 2f482af3a1..e8e5a0fe44 100644 --- a/synapse/storage/events.py +++ b/synapse/storage/events.py @@ -34,6 +34,8 @@ from synapse.api.errors import SynapseError from synapse.events import EventBase # noqa: F401 from synapse.events.snapshot import EventContext # noqa: F401 from synapse.metrics.background_process_metrics import run_as_background_process +from synapse.storage.background_updates import BackgroundUpdateStore +from synapse.storage.event_federation import EventFederationStore from synapse.storage.events_worker import EventsWorkerStore from synapse.types import RoomStreamToken, get_domain_from_id from synapse.util.async import ObservableDeferred @@ -65,7 +67,13 @@ state_delta_reuse_delta_counter = Counter( def encode_json(json_object): - return frozendict_json_encoder.encode(json_object) + """ + Encode a Python object as JSON and return it in a Unicode string. + """ + out = frozendict_json_encoder.encode(json_object) + if isinstance(out, bytes): + out = out.decode('utf8') + return out class _EventPeristenceQueue(object): @@ -193,7 +201,9 @@ def _retry_on_integrity_error(func): return f -class EventsStore(EventsWorkerStore): +# inherits from EventFederationStore so that we can call _update_backward_extremities +# and _handle_mult_prev_events (though arguably those could both be moved in here) +class EventsStore(EventFederationStore, EventsWorkerStore, BackgroundUpdateStore): EVENT_ORIGIN_SERVER_TS_NAME = "event_origin_server_ts" EVENT_FIELDS_SENDER_URL_UPDATE_NAME = "event_fields_sender_url" @@ -231,12 +241,18 @@ class EventsStore(EventsWorkerStore): self._state_resolution_handler = hs.get_state_resolution_handler() + @defer.inlineCallbacks def persist_events(self, events_and_contexts, backfilled=False): """ Write events to the database Args: events_and_contexts: list of tuples of (event, context) - backfilled: ? + backfilled (bool): Whether the results are retrieved from federation + via backfill or not. Used to determine if they're "new" events + which might update the current state etc. + + Returns: + Deferred[int]: the stream ordering of the latest persisted event """ partitioned = {} for event, ctx in events_and_contexts: @@ -253,10 +269,14 @@ class EventsStore(EventsWorkerStore): for room_id in partitioned: self._maybe_start_persisting(room_id) - return make_deferred_yieldable( + yield make_deferred_yieldable( defer.gatherResults(deferreds, consumeErrors=True) ) + max_persisted_id = yield self._stream_id_gen.get_current_token() + + defer.returnValue(max_persisted_id) + @defer.inlineCallbacks @log_function def persist_event(self, event, context, backfilled=False): @@ -1054,7 +1074,7 @@ class EventsStore(EventsWorkerStore): metadata_json = encode_json( event.internal_metadata.get_dict() - ).decode("UTF-8") + ) sql = ( "UPDATE event_json SET internal_metadata = ?" @@ -1168,8 +1188,8 @@ class EventsStore(EventsWorkerStore): "room_id": event.room_id, "internal_metadata": encode_json( event.internal_metadata.get_dict() - ).decode("UTF-8"), - "json": encode_json(event_dict(event)).decode("UTF-8"), + ), + "json": encode_json(event_dict(event)), } for event, _ in events_and_contexts ], |