mirror of
https://github.com/element-hq/synapse
synced 2024-08-20 08:30:21 +00:00
add fucntions to persist events as a batch, encapsulate some logic in a helper function
This commit is contained in:
parent
d950d99ab5
commit
99aa2136c2
1 changed files with 174 additions and 44 deletions
|
@ -61,6 +61,7 @@ from synapse.storage.databases.main.events_worker import EventRedactBehaviour
|
|||
from synapse.storage.state import StateFilter
|
||||
from synapse.types import (
|
||||
MutableStateMap,
|
||||
PersistedEventPosition,
|
||||
Requester,
|
||||
RoomAlias,
|
||||
StateMap,
|
||||
|
@ -1316,6 +1317,124 @@ class EventCreationHandler:
|
|||
400, "Cannot start threads from an event with a relation"
|
||||
)
|
||||
|
||||
async def handle_create_room_events(
|
||||
self,
|
||||
requester: Requester,
|
||||
events_and_ctx: List[Tuple[EventBase, EventContext]],
|
||||
ratelimit: bool = True,
|
||||
) -> EventBase:
|
||||
"""
|
||||
Process a batch of room creation events. For each event in the list it checks
|
||||
the authorization and that the event can be serialized. Returns the last event in the
|
||||
list once it has been persisted.
|
||||
Args:
|
||||
requester: the room creator
|
||||
events_and_ctx: a set of events and their associated contexts to persist
|
||||
ratelimit: whether to ratelimit this request
|
||||
"""
|
||||
for event, context in events_and_ctx:
|
||||
try:
|
||||
validate_event_for_room_version(event)
|
||||
await self._event_auth_handler.check_auth_rules_from_context(
|
||||
event, context
|
||||
)
|
||||
except AuthError as err:
|
||||
logger.warning("Denying new event %r because %s", event, err)
|
||||
raise err
|
||||
|
||||
# Ensure that we can round trip before trying to persist in db
|
||||
try:
|
||||
dump = json_encoder.encode(event.content)
|
||||
json_decoder.decode(dump)
|
||||
except Exception:
|
||||
logger.exception("Failed to encode content: %r", event.content)
|
||||
raise
|
||||
|
||||
# We now persist the events
|
||||
try:
|
||||
result = await self._persist_events_batch(
|
||||
requester, events_and_ctx, ratelimit
|
||||
)
|
||||
except Exception as e:
|
||||
logger.info(f"Encountered an error persisting events: {e}")
|
||||
|
||||
return result
|
||||
|
||||
async def _persist_events_batch(
|
||||
self,
|
||||
requestor: Requester,
|
||||
events_and_ctx: List[Tuple[EventBase, EventContext]],
|
||||
ratelimit: bool = True,
|
||||
) -> EventBase:
|
||||
"""
|
||||
Processes the push actions and adds them to the push staging area before attempting to
|
||||
persist the batch of events.
|
||||
See handle_create_room_events for arguments
|
||||
Returns the last event in the list if persisted successfully
|
||||
"""
|
||||
for event, context in events_and_ctx:
|
||||
with opentracing.start_active_span("calculate_push_actions"):
|
||||
await self._bulk_push_rule_evaluator.action_for_event_by_user(
|
||||
event, context
|
||||
)
|
||||
try:
|
||||
last_event = await self.persist_and_notify_batched_events(
|
||||
requestor, events_and_ctx, ratelimit
|
||||
)
|
||||
except Exception:
|
||||
# Ensure that we actually remove the entries in the push actions
|
||||
# staging area, if we calculated them.
|
||||
for event, _ in events_and_ctx:
|
||||
await self.store.remove_push_actions_from_staging(event.event_id)
|
||||
raise
|
||||
|
||||
return last_event
|
||||
|
||||
async def persist_and_notify_batched_events(
|
||||
self,
|
||||
requester: Requester,
|
||||
events_and_ctx: List[Tuple[EventBase, EventContext]],
|
||||
ratelimit: bool = True,
|
||||
) -> EventBase:
|
||||
"""
|
||||
Handles the actual persisting of a batch of events to the DB, and sends the appropriate
|
||||
notifications when this is done.
|
||||
Args:
|
||||
requester: the room creator
|
||||
events_and_ctx: list of events and their associated contexts to persist
|
||||
ratelimit: whether to apply ratelimiting to this request
|
||||
"""
|
||||
if ratelimit:
|
||||
await self.request_ratelimiter.ratelimit(requester)
|
||||
|
||||
for event, context in events_and_ctx:
|
||||
await self._actions_by_event_type(event, context)
|
||||
|
||||
assert self._storage_controllers.persistence is not None
|
||||
(
|
||||
persisted_events,
|
||||
max_stream_token,
|
||||
) = await self._storage_controllers.persistence.persist_events(events_and_ctx)
|
||||
|
||||
stream_ordering = persisted_events[-1].internal_metadata.stream_ordering
|
||||
assert stream_ordering is not None
|
||||
pos = PersistedEventPosition(self._instance_name, stream_ordering)
|
||||
|
||||
async def _notify() -> None:
|
||||
try:
|
||||
await self.notifier.on_new_room_event(
|
||||
persisted_events[-1], pos, max_stream_token
|
||||
)
|
||||
except Exception:
|
||||
logger.exception(
|
||||
"Error notifying about new room event %s",
|
||||
event.event_id,
|
||||
)
|
||||
|
||||
run_in_background(_notify)
|
||||
|
||||
return persisted_events[-1]
|
||||
|
||||
@measure_func("handle_new_client_event")
|
||||
async def handle_new_client_event(
|
||||
self,
|
||||
|
@ -1650,6 +1769,55 @@ class EventCreationHandler:
|
|||
requester, is_admin_redaction=is_admin_redaction
|
||||
)
|
||||
|
||||
# run checks/actions on event based on type
|
||||
await self._actions_by_event_type(event, context)
|
||||
|
||||
# Mark any `m.historical` messages as backfilled so they don't appear
|
||||
# in `/sync` and have the proper decrementing `stream_ordering` as we import
|
||||
backfilled = False
|
||||
if event.internal_metadata.is_historical():
|
||||
backfilled = True
|
||||
|
||||
# Note that this returns the event that was persisted, which may not be
|
||||
# the same as we passed in if it was deduplicated due transaction IDs.
|
||||
(
|
||||
event,
|
||||
event_pos,
|
||||
max_stream_token,
|
||||
) = await self._storage_controllers.persistence.persist_event(
|
||||
event, context=context, backfilled=backfilled
|
||||
)
|
||||
|
||||
if self._ephemeral_events_enabled:
|
||||
# If there's an expiry timestamp on the event, schedule its expiry.
|
||||
self._message_handler.maybe_schedule_expiry(event)
|
||||
|
||||
async def _notify() -> None:
|
||||
try:
|
||||
await self.notifier.on_new_room_event(
|
||||
event, event_pos, max_stream_token, extra_users=extra_users
|
||||
)
|
||||
except Exception:
|
||||
logger.exception(
|
||||
"Error notifying about new room event %s",
|
||||
event.event_id,
|
||||
)
|
||||
|
||||
run_in_background(_notify)
|
||||
|
||||
if event.type == EventTypes.Message:
|
||||
# We don't want to block sending messages on any presence code. This
|
||||
# matters as sometimes presence code can take a while.
|
||||
run_in_background(self._bump_active_time, requester.user)
|
||||
|
||||
return event
|
||||
|
||||
async def _actions_by_event_type(
|
||||
self, event: EventBase, context: EventContext
|
||||
) -> None:
|
||||
"""
|
||||
Helper function to execute actions/checks based on the event type
|
||||
"""
|
||||
if event.type == EventTypes.Member and event.membership == Membership.JOIN:
|
||||
(
|
||||
current_membership,
|
||||
|
@ -1670,11 +1838,13 @@ class EventCreationHandler:
|
|||
|
||||
original_event_id = event.unsigned.get("replaces_state")
|
||||
if original_event_id:
|
||||
original_event = await self.store.get_event(original_event_id)
|
||||
original_alias_event = await self.store.get_event(original_event_id)
|
||||
|
||||
if original_event:
|
||||
original_alias = original_event.content.get("alias", None)
|
||||
original_alt_aliases = original_event.content.get("alt_aliases", [])
|
||||
if original_alias_event:
|
||||
original_alias = original_alias_event.content.get("alias", None)
|
||||
original_alt_aliases = original_alias_event.content.get(
|
||||
"alt_aliases", []
|
||||
)
|
||||
|
||||
# Check the alias is currently valid (if it has changed).
|
||||
room_alias_str = event.content.get("alias", None)
|
||||
|
@ -1852,46 +2022,6 @@ class EventCreationHandler:
|
|||
errcode=Codes.INVALID_PARAM,
|
||||
)
|
||||
|
||||
# Mark any `m.historical` messages as backfilled so they don't appear
|
||||
# in `/sync` and have the proper decrementing `stream_ordering` as we import
|
||||
backfilled = False
|
||||
if event.internal_metadata.is_historical():
|
||||
backfilled = True
|
||||
|
||||
# Note that this returns the event that was persisted, which may not be
|
||||
# the same as we passed in if it was deduplicated due transaction IDs.
|
||||
(
|
||||
event,
|
||||
event_pos,
|
||||
max_stream_token,
|
||||
) = await self._storage_controllers.persistence.persist_event(
|
||||
event, context=context, backfilled=backfilled
|
||||
)
|
||||
|
||||
if self._ephemeral_events_enabled:
|
||||
# If there's an expiry timestamp on the event, schedule its expiry.
|
||||
self._message_handler.maybe_schedule_expiry(event)
|
||||
|
||||
async def _notify() -> None:
|
||||
try:
|
||||
await self.notifier.on_new_room_event(
|
||||
event, event_pos, max_stream_token, extra_users=extra_users
|
||||
)
|
||||
except Exception:
|
||||
logger.exception(
|
||||
"Error notifying about new room event %s",
|
||||
event.event_id,
|
||||
)
|
||||
|
||||
run_in_background(_notify)
|
||||
|
||||
if event.type == EventTypes.Message:
|
||||
# We don't want to block sending messages on any presence code. This
|
||||
# matters as sometimes presence code can take a while.
|
||||
run_in_background(self._bump_active_time, requester.user)
|
||||
|
||||
return event
|
||||
|
||||
async def _maybe_kick_guest_users(
|
||||
self, event: EventBase, context: EventContext
|
||||
) -> None:
|
||||
|
|
Loading…
Reference in a new issue