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De-race types.RoomInfo
(#2600)
This commit is contained in:
parent
05c83923e3
commit
119cde3766
@ -50,14 +50,14 @@ func CheckForSoftFail(
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if err != nil {
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return false, fmt.Errorf("db.RoomNID: %w", err)
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}
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if roomInfo == nil || roomInfo.IsStub {
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if roomInfo == nil || roomInfo.IsStub() {
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return false, nil
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}
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// Then get the state entries for the current state snapshot.
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// We'll use this to check if the event is allowed right now.
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roomState := state.NewStateResolution(db, roomInfo)
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authStateEntries, err = roomState.LoadStateAtSnapshot(ctx, roomInfo.StateSnapshotNID)
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authStateEntries, err = roomState.LoadStateAtSnapshot(ctx, roomInfo.StateSnapshotNID())
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if err != nil {
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return true, fmt.Errorf("roomState.LoadStateAtSnapshot: %w", err)
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}
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@ -409,7 +409,7 @@ func QueryLatestEventsAndState(
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if err != nil {
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return err
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}
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if roomInfo == nil || roomInfo.IsStub {
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if roomInfo == nil || roomInfo.IsStub() {
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response.RoomExists = false
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return nil
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}
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@ -52,7 +52,7 @@ func (r *Admin) PerformAdminEvacuateRoom(
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}
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return
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}
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if roomInfo == nil || roomInfo.IsStub {
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if roomInfo == nil || roomInfo.IsStub() {
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res.Error = &api.PerformError{
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Code: api.PerformErrorNoRoom,
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Msg: fmt.Sprintf("Room %s not found", req.RoomID),
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@ -73,7 +73,7 @@ func (r *Backfiller) PerformBackfill(
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if err != nil {
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return err
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}
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if info == nil || info.IsStub {
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if info == nil || info.IsStub() {
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return fmt.Errorf("PerformBackfill: missing room info for room %s", request.RoomID)
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}
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@ -106,7 +106,7 @@ func (r *Backfiller) backfillViaFederation(ctx context.Context, req *api.Perform
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if err != nil {
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return err
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}
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if info == nil || info.IsStub {
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if info == nil || info.IsStub() {
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return fmt.Errorf("backfillViaFederation: missing room info for room %s", req.RoomID)
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}
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requester := newBackfillRequester(r.DB, r.FSAPI, r.ServerName, req.BackwardsExtremities, r.PreferServers)
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@ -434,7 +434,7 @@ FindSuccessor:
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logrus.WithError(err).WithField("room_id", roomID).Error("ServersAtEvent: failed to get RoomInfo for room")
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return nil
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}
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if info == nil || info.IsStub {
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if info == nil || info.IsStub() {
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logrus.WithField("room_id", roomID).Error("ServersAtEvent: failed to get RoomInfo for room, room is missing")
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return nil
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}
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@ -50,7 +50,7 @@ func (r *InboundPeeker) PerformInboundPeek(
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if err != nil {
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return err
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}
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if info == nil || info.IsStub {
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if info == nil || info.IsStub() {
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return nil
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}
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response.RoomExists = true
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@ -125,7 +125,7 @@ func (r *Inviter) PerformInvite(
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return outputUpdates, nil
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}
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if (info == nil || info.IsStub) && !isOriginLocal && isTargetLocal {
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if (info == nil || info.IsStub()) && !isOriginLocal && isTargetLocal {
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// The invite came in over federation for a room that we don't know about
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// yet. We need to handle this a bit differently to most invites because
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// we don't know the room state, therefore the roomserver can't process
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@ -276,7 +276,7 @@ func buildInviteStrippedState(
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}
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roomState := state.NewStateResolution(db, info)
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stateEntries, err := roomState.LoadStateAtSnapshotForStringTuples(
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ctx, info.StateSnapshotNID, stateWanted,
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ctx, info.StateSnapshotNID(), stateWanted,
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)
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if err != nil {
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return nil, err
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@ -61,7 +61,7 @@ func (r *Queryer) QueryStateAfterEvents(
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if err != nil {
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return err
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}
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if info == nil || info.IsStub {
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if info == nil || info.IsStub() {
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return nil
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}
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@ -302,7 +302,7 @@ func (r *Queryer) QueryServerJoinedToRoom(
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if err != nil {
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return fmt.Errorf("r.DB.RoomInfo: %w", err)
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}
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if info == nil || info.IsStub {
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if info == nil || info.IsStub() {
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return nil
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}
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response.RoomExists = true
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@ -390,7 +390,7 @@ func (r *Queryer) QueryMissingEvents(
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if err != nil {
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return err
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}
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if info == nil || info.IsStub {
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if info == nil || info.IsStub() {
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return fmt.Errorf("missing RoomInfo for room %s", events[0].RoomID())
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}
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@ -429,7 +429,7 @@ func (r *Queryer) QueryStateAndAuthChain(
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if err != nil {
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return err
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}
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if info == nil || info.IsStub {
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if info == nil || info.IsStub() {
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return nil
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}
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response.RoomExists = true
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@ -774,7 +774,7 @@ func (r *Queryer) QueryRestrictedJoinAllowed(ctx context.Context, req *api.Query
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if err != nil {
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return fmt.Errorf("r.DB.RoomInfo: %w", err)
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}
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if roomInfo == nil || roomInfo.IsStub {
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if roomInfo == nil || roomInfo.IsStub() {
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return nil // fmt.Errorf("room %q doesn't exist or is stub room", req.RoomID)
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}
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// If the room version doesn't allow restricted joins then don't
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@ -837,7 +837,7 @@ func (r *Queryer) QueryRestrictedJoinAllowed(ctx context.Context, req *api.Query
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// See if the room exists. If it doesn't exist or if it's a stub
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// room entry then we can't check memberships.
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targetRoomInfo, err := r.DB.RoomInfo(ctx, rule.RoomID)
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if err != nil || targetRoomInfo == nil || targetRoomInfo.IsStub {
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if err != nil || targetRoomInfo == nil || targetRoomInfo.IsStub() {
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res.Resident = false
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continue
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}
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@ -147,14 +147,16 @@ func (s *roomStatements) InsertRoomNID(
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func (s *roomStatements) SelectRoomInfo(ctx context.Context, txn *sql.Tx, roomID string) (*types.RoomInfo, error) {
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var info types.RoomInfo
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var latestNIDs pq.Int64Array
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var stateSnapshotNID types.StateSnapshotNID
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stmt := sqlutil.TxStmt(txn, s.selectRoomInfoStmt)
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err := stmt.QueryRowContext(ctx, roomID).Scan(
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&info.RoomVersion, &info.RoomNID, &info.StateSnapshotNID, &latestNIDs,
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&info.RoomVersion, &info.RoomNID, &stateSnapshotNID, &latestNIDs,
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)
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if err == sql.ErrNoRows {
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return nil, nil
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}
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info.IsStub = len(latestNIDs) == 0
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info.SetStateSnapshotNID(stateSnapshotNID)
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info.SetIsStub(len(latestNIDs) == 0)
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return &info, err
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}
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@ -229,8 +229,8 @@ func (u *RoomUpdater) SetLatestEvents(
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// Since it's entirely possible that this types.RoomInfo came from the
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// cache, we should make sure to update that entry so that the next run
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// works from live data.
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u.roomInfo.StateSnapshotNID = currentStateSnapshotNID
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u.roomInfo.IsStub = false
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u.roomInfo.SetStateSnapshotNID(currentStateSnapshotNID)
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u.roomInfo.SetIsStub(false)
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return nil
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})
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}
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@ -1032,7 +1032,7 @@ func (d *Database) GetStateEvent(ctx context.Context, roomID, evType, stateKey s
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return nil, fmt.Errorf("room %s doesn't exist", roomID)
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}
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// e.g invited rooms
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if roomInfo.IsStub {
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if roomInfo.IsStub() {
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return nil, nil
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}
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eventTypeNID, err := d.EventTypesTable.SelectEventTypeNID(ctx, nil, evType)
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@ -1051,7 +1051,7 @@ func (d *Database) GetStateEvent(ctx context.Context, roomID, evType, stateKey s
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if err != nil {
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return nil, err
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}
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entries, err := d.loadStateAtSnapshot(ctx, roomInfo.StateSnapshotNID)
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entries, err := d.loadStateAtSnapshot(ctx, roomInfo.StateSnapshotNID())
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if err != nil {
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return nil, err
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}
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@ -1097,7 +1097,7 @@ func (d *Database) GetStateEventsWithEventType(ctx context.Context, roomID, evTy
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return nil, fmt.Errorf("room %s doesn't exist", roomID)
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}
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// e.g invited rooms
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if roomInfo.IsStub {
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if roomInfo.IsStub() {
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return nil, nil
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}
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eventTypeNID, err := d.EventTypesTable.SelectEventTypeNID(ctx, nil, evType)
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@ -1108,7 +1108,7 @@ func (d *Database) GetStateEventsWithEventType(ctx context.Context, roomID, evTy
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if err != nil {
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return nil, err
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}
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entries, err := d.loadStateAtSnapshot(ctx, roomInfo.StateSnapshotNID)
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entries, err := d.loadStateAtSnapshot(ctx, roomInfo.StateSnapshotNID())
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if err != nil {
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return nil, err
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}
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@ -1225,10 +1225,10 @@ func (d *Database) GetBulkStateContent(ctx context.Context, roomIDs []string, tu
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return nil, fmt.Errorf("GetBulkStateContent: failed to load room info for room %s : %w", roomID, err2)
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}
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// for unknown rooms or rooms which we don't have the current state, skip them.
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if roomInfo == nil || roomInfo.IsStub {
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if roomInfo == nil || roomInfo.IsStub() {
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continue
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}
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entries, err2 := d.loadStateAtSnapshot(ctx, roomInfo.StateSnapshotNID)
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entries, err2 := d.loadStateAtSnapshot(ctx, roomInfo.StateSnapshotNID())
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if err2 != nil {
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return nil, fmt.Errorf("GetBulkStateContent: failed to load state for room %s : %w", roomID, err2)
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}
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@ -129,9 +129,10 @@ func (s *roomStatements) SelectRoomIDsWithEvents(ctx context.Context, txn *sql.T
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func (s *roomStatements) SelectRoomInfo(ctx context.Context, txn *sql.Tx, roomID string) (*types.RoomInfo, error) {
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var info types.RoomInfo
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var latestNIDsJSON string
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var stateSnapshotNID types.StateSnapshotNID
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stmt := sqlutil.TxStmt(txn, s.selectRoomInfoStmt)
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err := stmt.QueryRowContext(ctx, roomID).Scan(
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&info.RoomVersion, &info.RoomNID, &info.StateSnapshotNID, &latestNIDsJSON,
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&info.RoomVersion, &info.RoomNID, &stateSnapshotNID, &latestNIDsJSON,
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)
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if err != nil {
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if err == sql.ErrNoRows {
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@ -143,7 +144,8 @@ func (s *roomStatements) SelectRoomInfo(ctx context.Context, txn *sql.Tx, roomID
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if err = json.Unmarshal([]byte(latestNIDsJSON), &latestNIDs); err != nil {
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return nil, err
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}
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info.IsStub = len(latestNIDs) == 0
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info.SetStateSnapshotNID(stateSnapshotNID)
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info.SetIsStub(len(latestNIDs) == 0)
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return &info, err
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}
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@ -63,12 +63,12 @@ func TestRoomsTable(t *testing.T) {
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roomInfo, err := tab.SelectRoomInfo(ctx, nil, room.ID)
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assert.NoError(t, err)
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assert.Equal(t, &types.RoomInfo{
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RoomNID: wantRoomNID,
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RoomVersion: room.Version,
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StateSnapshotNID: 0,
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IsStub: true, // there are no latestEventNIDs
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}, roomInfo)
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expected := &types.RoomInfo{
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RoomNID: wantRoomNID,
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RoomVersion: room.Version,
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}
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expected.SetIsStub(true) // there are no latestEventNIDs
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assert.Equal(t, expected, roomInfo)
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roomInfo, err = tab.SelectRoomInfo(ctx, nil, "!doesnotexist:localhost")
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assert.NoError(t, err)
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@ -103,12 +103,12 @@ func TestRoomsTable(t *testing.T) {
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roomInfo, err = tab.SelectRoomInfo(ctx, nil, room.ID)
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assert.NoError(t, err)
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assert.Equal(t, &types.RoomInfo{
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RoomNID: wantRoomNID,
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RoomVersion: room.Version,
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StateSnapshotNID: 1,
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IsStub: false,
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}, roomInfo)
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expected = &types.RoomInfo{
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RoomNID: wantRoomNID,
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RoomVersion: room.Version,
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}
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expected.SetStateSnapshotNID(1)
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assert.Equal(t, expected, roomInfo)
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eventNIDs, snapshotNID, err := tab.SelectLatestEventNIDs(ctx, nil, wantRoomNID)
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assert.NoError(t, err)
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@ -19,6 +19,7 @@ import (
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"encoding/json"
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"sort"
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"strings"
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"sync"
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/matrix-org/util"
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@ -279,8 +280,33 @@ func (e RejectedError) Error() string { return string(e) }
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// RoomInfo contains metadata about a room
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type RoomInfo struct {
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mu sync.RWMutex
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RoomNID RoomNID
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RoomVersion gomatrixserverlib.RoomVersion
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StateSnapshotNID StateSnapshotNID
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IsStub bool
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stateSnapshotNID StateSnapshotNID
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isStub bool
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}
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func (r *RoomInfo) StateSnapshotNID() StateSnapshotNID {
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r.mu.RLock()
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defer r.mu.RUnlock()
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return r.stateSnapshotNID
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}
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func (r *RoomInfo) IsStub() bool {
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r.mu.RLock()
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defer r.mu.RUnlock()
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return r.isStub
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}
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func (r *RoomInfo) SetStateSnapshotNID(nid StateSnapshotNID) {
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r.mu.Lock()
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defer r.mu.Unlock()
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r.stateSnapshotNID = nid
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}
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func (r *RoomInfo) SetIsStub(isStub bool) {
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r.mu.Lock()
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defer r.mu.Unlock()
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r.isStub = isStub
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}
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