82 lines
2.4 KiB
Go
82 lines
2.4 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
|
|
// See LICENSE for copying information.
|
|
|
|
package satellitedb
|
|
|
|
import (
|
|
"context"
|
|
"database/sql"
|
|
|
|
"storj.io/storj/pkg/pb"
|
|
"storj.io/storj/private/dbutil/pgutil"
|
|
dbx "storj.io/storj/satellite/satellitedb/dbx"
|
|
"storj.io/storj/storage"
|
|
)
|
|
|
|
type repairQueue struct {
|
|
db *dbx.DB
|
|
}
|
|
|
|
func (r *repairQueue) Insert(ctx context.Context, seg *pb.InjuredSegment) (err error) {
|
|
defer mon.Task()(&ctx)(&err)
|
|
_, err = r.db.ExecContext(ctx, r.db.Rebind(`INSERT INTO injuredsegments ( path, data ) VALUES ( ?, ? )`), seg.Path, seg)
|
|
if err != nil {
|
|
if pgutil.IsConstraintError(err) {
|
|
return nil // quietly fail on reinsert
|
|
}
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (r *repairQueue) Select(ctx context.Context) (seg *pb.InjuredSegment, err error) {
|
|
defer mon.Task()(&ctx)(&err)
|
|
err = r.db.QueryRowContext(ctx, `
|
|
UPDATE injuredsegments SET attempted = timezone('utc', now()) WHERE path = (
|
|
SELECT path FROM injuredsegments
|
|
WHERE attempted IS NULL OR attempted < timezone('utc', now()) - interval '1 hour'
|
|
ORDER BY attempted NULLS FIRST FOR UPDATE SKIP LOCKED LIMIT 1
|
|
) RETURNING data`).Scan(&seg)
|
|
|
|
if err == sql.ErrNoRows {
|
|
err = storage.ErrEmptyQueue.New("")
|
|
}
|
|
return seg, err
|
|
}
|
|
|
|
func (r *repairQueue) Delete(ctx context.Context, seg *pb.InjuredSegment) (err error) {
|
|
defer mon.Task()(&ctx)(&err)
|
|
_, err = r.db.ExecContext(ctx, r.db.Rebind(`DELETE FROM injuredsegments WHERE path = ?`), seg.Path)
|
|
return Error.Wrap(err)
|
|
}
|
|
|
|
func (r *repairQueue) SelectN(ctx context.Context, limit int) (segs []pb.InjuredSegment, err error) {
|
|
defer mon.Task()(&ctx)(&err)
|
|
if limit <= 0 || limit > storage.LookupLimit {
|
|
limit = storage.LookupLimit
|
|
}
|
|
//todo: strictly enforce order-by or change tests
|
|
rows, err := r.db.QueryContext(ctx, r.db.Rebind(`SELECT data FROM injuredsegments LIMIT ?`), limit)
|
|
if err != nil {
|
|
return nil, Error.Wrap(err)
|
|
}
|
|
for rows.Next() {
|
|
var seg pb.InjuredSegment
|
|
err = rows.Scan(&seg)
|
|
if err != nil {
|
|
return segs, Error.Wrap(err)
|
|
}
|
|
segs = append(segs, seg)
|
|
}
|
|
return segs, Error.Wrap(rows.Err())
|
|
}
|
|
|
|
func (r *repairQueue) Count(ctx context.Context) (count int, err error) {
|
|
defer mon.Task()(&ctx)(&err)
|
|
|
|
// Count every segment regardless of how recently repair was last attempted
|
|
err = r.db.QueryRowContext(ctx, r.db.Rebind(`SELECT COUNT(*) as count FROM injuredsegments`)).Scan(&count)
|
|
|
|
return count, Error.Wrap(err)
|
|
}
|