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This commit is contained in:
Neil Alexander 2022-09-12 11:07:19 +01:00
parent 35f417627d
commit 1b49a9deff
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GPG key ID: A02A2019A2BB0944
1 changed files with 19 additions and 27 deletions
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46
roomserver/storage/shared/storage.go
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@ -574,13 +574,6 @@ func (d *Database) IsEventRejected(ctx context.Context, roomNID types.RoomNID, e
func (d *Database) StoreEvent(
ctx context.Context, event *gomatrixserverlib.Event,
authEventNIDs []types.EventNID, isRejected bool,
) (types.EventNID, types.RoomNID, types.StateAtEvent, *gomatrixserverlib.Event, string, error) {
return d.storeEvent(ctx, nil, event, authEventNIDs, isRejected)
}
func (d *Database) storeEvent(
ctx context.Context, updater *RoomUpdater, event *gomatrixserverlib.Event,
authEventNIDs []types.EventNID, isRejected bool,
) (types.EventNID, types.RoomNID, types.StateAtEvent, *gomatrixserverlib.Event, string, error) {
var (
roomNID types.RoomNID
@ -604,10 +597,6 @@ func (d *Database) storeEvent(
return 0, 0, types.StateAtEvent{}, nil, "", fmt.Errorf("extractRoomVersionFromCreateEvent: %w", err)
}
var txn *sql.Tx
if updater != nil && updater.txn != nil {
txn = updater.txn
}
// First writer is with a database-provided transaction, so that NIDs are assigned
// globally outside of the updater context, to help avoid races.
err = d.Writer.Do(nil, nil, func(txn *sql.Tx) error {
@ -631,7 +620,7 @@ func (d *Database) storeEvent(
}
// Second writer is using the database-provided transaction, probably from the
// room updater, for easy roll-back if required.
err = d.Writer.Do(d.DB, txn, func(txn *sql.Tx) error {
err = d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
if eventNID, stateNID, err = d.EventsTable.InsertEvent(
ctx,
txn,
@ -682,22 +671,25 @@ func (d *Database) storeEvent(
// any other so this is fine. If we ever update GetLatestEventsForUpdate or NewLatestEventsUpdater
// to do writes however then this will need to go inside `Writer.Do`.
succeeded := false
if updater == nil {
var roomInfo *types.RoomInfo
roomInfo, err = d.roomInfo(ctx, txn, event.RoomID())
if err != nil {
return 0, 0, types.StateAtEvent{}, nil, "", fmt.Errorf("d.RoomInfo: %w", err)
}
if roomInfo == nil && len(prevEvents) > 0 {
return 0, 0, types.StateAtEvent{}, nil, "", fmt.Errorf("expected room %q to exist", event.RoomID())
}
updater, err = d.GetRoomUpdater(ctx, roomInfo)
if err != nil {
return 0, 0, types.StateAtEvent{}, nil, "", fmt.Errorf("GetRoomUpdater: %w", err)
}
defer sqlutil.EndTransactionWithCheck(updater, &succeeded, &err)
var roomInfo *types.RoomInfo
var updater *RoomUpdater
roomInfo, err = d.roomInfo(ctx, nil, event.RoomID())
if err != nil {
return 0, 0, types.StateAtEvent{}, nil, "", fmt.Errorf("d.RoomInfo: %w", err)
}
if err = d.Writer.Do(nil, nil, func(_ *sql.Tx) error {
if roomInfo == nil && len(prevEvents) > 0 {
return 0, 0, types.StateAtEvent{}, nil, "", fmt.Errorf("expected room %q to exist", event.RoomID())
}
updater, err = d.GetRoomUpdater(ctx, roomInfo)
if err != nil {
return 0, 0, types.StateAtEvent{}, nil, "", fmt.Errorf("GetRoomUpdater: %w", err)
}
defer sqlutil.EndTransactionWithCheck(updater, &succeeded, &err)
var txn *sql.Tx
if updater != nil {
txn = updater.txn
}
if err = d.Writer.Do(d.DB, txn, func(_ *sql.Tx) error {
if err = updater.StorePreviousEvents(eventNID, prevEvents); err != nil {
return fmt.Errorf("updater.StorePreviousEvents: %w", err)
}