127 lines
3.7 KiB
Go
127 lines
3.7 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package storagenodedb
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import (
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"context"
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"time"
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"github.com/zeebo/errs"
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"storj.io/storj/pkg/storj"
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"storj.io/storj/storagenode/pieces"
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)
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// ErrPieceExpiration represents errors from the piece expiration database.
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var ErrPieceExpiration = errs.Class("piece expiration error")
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// PieceExpirationDBName represents the database filename.
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const PieceExpirationDBName = "piece_expiration"
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type pieceExpirationDB struct {
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dbContainerImpl
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}
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// GetExpired gets piece IDs that expire or have expired before the given time
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func (db *pieceExpirationDB) GetExpired(ctx context.Context, expiresBefore time.Time, limit int64) (expiredPieceIDs []pieces.ExpiredInfo, err error) {
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defer mon.Task()(&ctx)(&err)
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rows, err := db.QueryContext(ctx, `
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SELECT satellite_id, piece_id
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FROM piece_expirations
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WHERE piece_expiration < ?
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AND ((deletion_failed_at IS NULL) OR deletion_failed_at <> ?)
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AND trash = 0
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LIMIT ?
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`, expiresBefore.UTC(), expiresBefore.UTC(), limit)
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if err != nil {
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return nil, ErrPieceExpiration.Wrap(err)
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}
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defer func() { err = errs.Combine(err, rows.Close()) }()
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for rows.Next() {
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var satelliteID storj.NodeID
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var pieceID storj.PieceID
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err = rows.Scan(&satelliteID, &pieceID)
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if err != nil {
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return nil, ErrPieceExpiration.Wrap(err)
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}
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expiredPieceIDs = append(expiredPieceIDs, pieces.ExpiredInfo{
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SatelliteID: satelliteID,
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PieceID: pieceID,
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InPieceInfo: false,
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})
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}
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return expiredPieceIDs, nil
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}
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// SetExpiration sets an expiration time for the given piece ID on the given satellite
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func (db *pieceExpirationDB) SetExpiration(ctx context.Context, satellite storj.NodeID, pieceID storj.PieceID, expiresAt time.Time) (err error) {
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defer mon.Task()(&ctx)(&err)
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_, err = db.ExecContext(ctx, `
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INSERT INTO piece_expirations(satellite_id, piece_id, piece_expiration)
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VALUES (?,?,?)
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`, satellite, pieceID, expiresAt.UTC())
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return ErrPieceExpiration.Wrap(err)
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}
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// DeleteExpiration removes an expiration record for the given piece ID on the given satellite
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func (db *pieceExpirationDB) DeleteExpiration(ctx context.Context, satelliteID storj.NodeID, pieceID storj.PieceID) (found bool, err error) {
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defer mon.Task()(&ctx)(&err)
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result, err := db.ExecContext(ctx, `
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DELETE FROM piece_expirations
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WHERE satellite_id = ? AND piece_id = ?
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`, satelliteID, pieceID)
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if err != nil {
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return false, err
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}
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numRows, err := result.RowsAffected()
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if err != nil {
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return false, err
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}
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return numRows > 0, nil
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}
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// DeleteFailed marks an expiration record as having experienced a failure in deleting the piece
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// from the disk
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func (db *pieceExpirationDB) DeleteFailed(ctx context.Context, satelliteID storj.NodeID, pieceID storj.PieceID, when time.Time) (err error) {
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defer mon.Task()(&ctx)(&err)
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_, err = db.ExecContext(ctx, `
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UPDATE piece_expirations
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SET deletion_failed_at = ?
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WHERE satellite_id = ?
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AND piece_id = ?
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`, when.UTC(), satelliteID, pieceID)
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return ErrPieceExpiration.Wrap(err)
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}
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// Trash marks a piece expiration as "trashed"
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func (db *pieceExpirationDB) Trash(ctx context.Context, satelliteID storj.NodeID, pieceID storj.PieceID) (err error) {
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defer mon.Task()(&ctx)(&err)
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_, err = db.ExecContext(ctx, `
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UPDATE piece_expirations
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SET trash = 1
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WHERE satellite_id = ?
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AND piece_id = ?
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`, satelliteID, pieceID)
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return ErrPieceExpiration.Wrap(err)
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}
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// Restore restores all trashed pieces
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func (db *pieceExpirationDB) RestoreTrash(ctx context.Context, satelliteID storj.NodeID) (err error) {
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defer mon.Task()(&ctx)(&err)
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_, err = db.ExecContext(ctx, `
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UPDATE piece_expirations
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SET trash = 0
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WHERE satellite_id = ?
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AND trash = 1
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`, satelliteID)
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return ErrPieceExpiration.Wrap(err)
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}
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