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containment.go
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/
containment.go
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// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.
package satellitedb
import (
"bytes"
"context"
"database/sql"
"errors"
"go.uber.org/zap"
"storj.io/common/pb"
"storj.io/common/storj"
"storj.io/storj/satellite/audit"
"storj.io/storj/satellite/metainfo/metabase"
"storj.io/storj/satellite/satellitedb/dbx"
)
type containment struct {
db *satelliteDB
}
// Get gets the pending audit by node id.
func (containment *containment) Get(ctx context.Context, id pb.NodeID) (_ *audit.PendingAudit, err error) {
defer mon.Task()(&ctx)(&err)
if id.IsZero() {
return nil, audit.ContainError.New("node ID empty")
}
pending, err := containment.db.Get_PendingAudits_By_NodeId(ctx, dbx.PendingAudits_NodeId(id.Bytes()))
if err != nil {
if errors.Is(err, sql.ErrNoRows) {
return nil, audit.ErrContainedNotFound.New("%v", id)
}
return nil, audit.ContainError.Wrap(err)
}
return convertDBPending(ctx, pending)
}
// IncrementPending creates a new pending audit entry, or increases its reverify count if it already exists.
func (containment *containment) IncrementPending(ctx context.Context, pendingAudit *audit.PendingAudit) (err error) {
defer mon.Task()(&ctx)(&err)
err = containment.db.WithTx(ctx, func(ctx context.Context, tx *dbx.Tx) error {
existingAudit, err := tx.Get_PendingAudits_By_NodeId(ctx, dbx.PendingAudits_NodeId(pendingAudit.NodeID.Bytes()))
switch err {
case sql.ErrNoRows:
statement := containment.db.Rebind(
`INSERT INTO pending_audits (node_id, piece_id, stripe_index, share_size, expected_share_hash, reverify_count, path)
VALUES (?, ?, ?, ?, ?, ?, ?)`,
)
_, err = tx.Tx.ExecContext(ctx, statement, pendingAudit.NodeID.Bytes(), pendingAudit.PieceID.Bytes(), pendingAudit.StripeIndex,
pendingAudit.ShareSize, pendingAudit.ExpectedShareHash, pendingAudit.ReverifyCount, []byte(pendingAudit.Segment.Encode()))
if err != nil {
return err
}
case nil:
if !bytes.Equal(existingAudit.ExpectedShareHash, pendingAudit.ExpectedShareHash) {
containment.db.log.Info("pending audit already exists", zap.String("node id", pendingAudit.NodeID.String()), zap.ByteString("segment", []byte(pendingAudit.Segment.Encode())))
return nil
}
statement := containment.db.Rebind(
`UPDATE pending_audits SET reverify_count = pending_audits.reverify_count + 1
WHERE pending_audits.node_id=?`,
)
_, err = tx.Tx.ExecContext(ctx, statement, pendingAudit.NodeID.Bytes())
if err != nil {
return err
}
default:
return err
}
updateContained := dbx.Node_Update_Fields{
Contained: dbx.Node_Contained(true),
}
return tx.UpdateNoReturn_Node_By_Id(ctx, dbx.Node_Id(pendingAudit.NodeID.Bytes()), updateContained)
})
return audit.ContainError.Wrap(err)
}
// Delete deletes the pending audit.
func (containment *containment) Delete(ctx context.Context, id pb.NodeID) (isDeleted bool, err error) {
defer mon.Task()(&ctx)(&err)
if id.IsZero() {
return false, audit.ContainError.New("node ID empty")
}
err = containment.db.WithTx(ctx, func(ctx context.Context, tx *dbx.Tx) (err error) {
isDeleted, err = tx.Delete_PendingAudits_By_NodeId(ctx, dbx.PendingAudits_NodeId(id.Bytes()))
if err != nil {
return err
}
updateContained := dbx.Node_Update_Fields{
Contained: dbx.Node_Contained(false),
}
return tx.UpdateNoReturn_Node_By_Id(ctx, dbx.Node_Id(id.Bytes()), updateContained)
})
return isDeleted, audit.ContainError.Wrap(err)
}
func convertDBPending(ctx context.Context, info *dbx.PendingAudits) (_ *audit.PendingAudit, err error) {
defer mon.Task()(&ctx)(&err)
if info == nil {
return nil, Error.New("missing info")
}
nodeID, err := storj.NodeIDFromBytes(info.NodeId)
if err != nil {
return nil, audit.ContainError.Wrap(err)
}
pieceID, err := storj.PieceIDFromBytes(info.PieceId)
if err != nil {
return nil, audit.ContainError.Wrap(err)
}
segment, err := metabase.ParseSegmentKey(info.Path)
if err != nil {
return nil, audit.ContainError.Wrap(err)
}
pending := &audit.PendingAudit{
NodeID: nodeID,
PieceID: pieceID,
StripeIndex: int32(info.StripeIndex),
ShareSize: int32(info.ShareSize),
ExpectedShareHash: info.ExpectedShareHash,
ReverifyCount: int32(info.ReverifyCount),
Segment: segment,
}
return pending, nil
}