Skip to content

pdp: serve long-term parked pieces with no deal or pdp ref from the cached reader #1430

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
TippyFlitsUK wants to merge 1 commit into
base: main
Choose a base branch
from
Open

pdp: serve long-term parked pieces with no deal or pdp ref from the cached reader #1430

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
34 changes: 33 additions & 1 deletion lib/cachedreader/cachedreader.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -234,7 +234,11 @@ func (cpr *CachedPieceReader) getPieceReaderFromMarketPieceDeal(ctx context.Cont
return nil, 0, fmt.Errorf("failed to query pdp_piecerefs for piece cid %s: %w", pieceCid, err)
}
if !isPDP {
return nil, 0, fmt.Errorf("piece cid %s: %w", pieceCid, ErrNoDeal)
reader, rawSize, err := cpr.getPieceReaderFromLongTermPark(ctx, pieceCid)
if err != nil {
return nil, 0, fmt.Errorf("piece cid %s: %w", pieceCid, ErrNoDeal)
}
return reader, rawSize, nil
}
}
reader, rawSize, err := cpr.getPieceReaderFromPiecePark(ctx, nil, &pieceCid, &pieceSize)
Expand Down Expand Up @@ -355,6 +359,34 @@ func (cpr *CachedPieceReader) getPieceReaderFromPiecePark(ctx context.Context, p
return reader, uint64(pd[0].PieceRawSize), nil
}

func (cpr *CachedPieceReader) getPieceReaderFromLongTermPark(ctx context.Context, pieceCid cid.Cid) (storiface.Reader, uint64, error) {
var pd []struct {
ID int64 `db:"id"`
PieceCid string `db:"piece_cid"`
PieceRawSize int64 `db:"piece_raw_size"`
}

err := cpr.db.Select(ctx, &pd, `SELECT
id,
piece_cid,
piece_raw_size
FROM parked_pieces WHERE piece_cid = $1 AND long_term = TRUE AND complete = TRUE;`, pieceCid.String())
if err != nil {
return nil, 0, fmt.Errorf("failed to query parked_pieces for piece cid %s: %w", pieceCid, err)
}

if len(pd) == 0 {
return nil, 0, fmt.Errorf("failed to find long-term complete piece in parked_pieces for piece cid %s", pieceCid)
}

reader, err := cpr.pieceParkReader.ReadPiece(ctx, storiface.PieceNumber(pd[0].ID), pd[0].PieceRawSize, pieceCid)
if err != nil {
return nil, 0, fmt.Errorf("failed to read piece from piece park: %w", err)
}

return reader, uint64(pd[0].PieceRawSize), nil
}

type SubPieceReader struct {
sr *io.SectionReader
r io.Closer
Expand Down
Loading