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shadow_object_integrity.go
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shadow_object_integrity.go
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package sqldb
import (
"encoding/hex"
"errors"
"fmt"
"time"
"github.com/bnb-chain/greenfield-storage-provider/pkg/metrics"
"gorm.io/gorm"
corespdb "github.com/bnb-chain/greenfield-storage-provider/core/spdb"
"github.com/bnb-chain/greenfield-storage-provider/util"
)
const ListShadowIntegrityMetaDefaultSize = 5
// GetShadowObjectIntegrity returns the integrity hash info
func (s *SpDBImpl) GetShadowObjectIntegrity(objectID uint64, redundancyIndex int32) (meta *corespdb.ShadowIntegrityMeta, err error) {
queryReturn := &ShadowIntegrityMetaTable{}
result := s.db.Table(ShadowIntegrityMetaTableName).Model(&ShadowIntegrityMetaTable{}).
Where("object_id = ? and redundancy_index = ?", objectID, redundancyIndex).
First(queryReturn)
if errors.Is(result.Error, gorm.ErrRecordNotFound) {
err = result.Error
return nil, err
}
if result.Error != nil {
err = fmt.Errorf("failed to query integrity meta record: %s", result.Error)
return nil, err
}
integrityChecksum, err := hex.DecodeString(queryReturn.IntegrityChecksum)
if err != nil {
return nil, err
}
meta = &corespdb.ShadowIntegrityMeta{
ObjectID: queryReturn.ObjectID,
RedundancyIndex: queryReturn.RedundancyIndex,
IntegrityChecksum: integrityChecksum,
Version: queryReturn.Version,
ObjectSize: queryReturn.ObjectSize,
}
meta.PieceChecksumList, err = util.StringToBytesSlice(queryReturn.PieceChecksumList)
if err != nil {
return nil, err
}
return meta, nil
}
// SetShadowObjectIntegrity puts(overwrites) integrity hash info to db
func (s *SpDBImpl) SetShadowObjectIntegrity(meta *corespdb.ShadowIntegrityMeta) (err error) {
insertIntegrityMetaRecord := &ShadowIntegrityMetaTable{
ObjectID: meta.ObjectID,
RedundancyIndex: meta.RedundancyIndex,
PieceChecksumList: util.BytesSliceToString(meta.PieceChecksumList),
IntegrityChecksum: hex.EncodeToString(meta.IntegrityChecksum),
Version: meta.Version,
ObjectSize: meta.ObjectSize,
}
result := s.db.Table(ShadowIntegrityMetaTableName).Create(insertIntegrityMetaRecord)
if result.Error != nil && MysqlErrCode(result.Error) == ErrDuplicateEntryCode {
return nil
}
if result.Error != nil || result.RowsAffected != 1 {
err = fmt.Errorf("failed to insert integrity meta record: %s", result.Error)
return err
}
return nil
}
func (s *SpDBImpl) UpdateShadowIntegrityChecksum(meta *corespdb.ShadowIntegrityMeta) (err error) {
result := s.db.Table(ShadowIntegrityMetaTableName).Where("object_id = ? and redundancy_index = ?", meta.ObjectID, meta.RedundancyIndex).
Updates(&ShadowIntegrityMetaTable{
IntegrityChecksum: hex.EncodeToString(meta.IntegrityChecksum),
})
if result.Error != nil {
return fmt.Errorf("failed to update integrity checksum for integrity meta table: %s", result.Error)
}
return nil
}
func (s *SpDBImpl) DeleteShadowObjectIntegrity(objectID uint64, redundancyIndex int32) (err error) {
err = s.db.Table(ShadowIntegrityMetaTableName).Delete(&ShadowIntegrityMetaTable{
ObjectID: objectID, // should be the primary key
RedundancyIndex: redundancyIndex,
}).Error
return err
}
func (s *SpDBImpl) ListShadowIntegrityMeta() ([]*corespdb.ShadowIntegrityMeta, error) {
var (
shadowIntegrityMetas []*ShadowIntegrityMetaTable
resIntegrityMetas []*corespdb.ShadowIntegrityMeta
err error
)
startTime := time.Now()
defer func() {
if err != nil {
metrics.SPDBCounter.WithLabelValues(SPDBFailureListObjectIntegrity).Inc()
metrics.SPDBTime.WithLabelValues(SPDBFailureListObjectIntegrity).Observe(
time.Since(startTime).Seconds())
} else {
metrics.SPDBCounter.WithLabelValues(SPDBSuccessListObjectIntegrity).Inc()
metrics.SPDBTime.WithLabelValues(SPDBSuccessListObjectIntegrity).Observe(
time.Since(startTime).Seconds())
}
}()
err = s.db.Table(ShadowIntegrityMetaTableName).
Select("*").
Limit(ListShadowIntegrityMetaDefaultSize).
Order("object_id desc").
Find(&shadowIntegrityMetas).Error
for _, sim := range shadowIntegrityMetas {
integrityChecksum, err := hex.DecodeString(sim.IntegrityChecksum)
if err != nil {
return nil, err
}
meta := &corespdb.ShadowIntegrityMeta{
ObjectID: sim.ObjectID,
RedundancyIndex: sim.RedundancyIndex,
IntegrityChecksum: integrityChecksum,
Version: sim.Version,
ObjectSize: sim.ObjectSize,
}
meta.PieceChecksumList, err = util.StringToBytesSlice(sim.PieceChecksumList)
if err != nil {
return nil, err
}
resIntegrityMetas = append(resIntegrityMetas, meta)
}
return resIntegrityMetas, err
}
// UpdateShadowPieceChecksum 1) If the ShadowIntegrityMetaTable does not exist, it will be created.
// 2) If the ShadowIntegrityMetaTable already exists, it will be appended to the existing PieceChecksumList.
func (s *SpDBImpl) UpdateShadowPieceChecksum(objectID uint64, redundancyIndex int32, checksum []byte, version int64, dataLength uint64) (err error) {
startTime := time.Now()
defer func() {
if err != nil {
metrics.SPDBCounter.WithLabelValues(SPDBFailureUpdatePieceChecksum).Inc()
metrics.SPDBTime.WithLabelValues(SPDBFailureUpdatePieceChecksum).Observe(
time.Since(startTime).Seconds())
return
}
metrics.SPDBCounter.WithLabelValues(SPDBSuccessUpdatePieceChecksum).Inc()
metrics.SPDBTime.WithLabelValues(SPDBSuccessUpdatePieceChecksum).Observe(
time.Since(startTime).Seconds())
}()
integrityMeta, err := s.GetShadowObjectIntegrity(objectID, redundancyIndex)
var checksums [][]byte
var integrity []byte
if err == gorm.ErrRecordNotFound {
integrityMetaNew := &corespdb.ShadowIntegrityMeta{
ObjectID: objectID,
RedundancyIndex: redundancyIndex,
PieceChecksumList: append(checksums, checksum),
IntegrityChecksum: integrity,
Version: version,
ObjectSize: dataLength,
}
err = s.SetShadowObjectIntegrity(integrityMetaNew)
if err != nil {
return err
}
} else if err != nil {
return err
} else {
newChecksums := append(integrityMeta.PieceChecksumList, checksum)
integrityMeta.PieceChecksumList = newChecksums
result := s.db.Table(ShadowIntegrityMetaTableName).Where("object_id = ? and redundancy_index = ?", objectID, redundancyIndex).
Updates(&ShadowIntegrityMetaTable{
PieceChecksumList: util.BytesSliceToString(newChecksums),
ObjectSize: integrityMeta.ObjectSize + dataLength,
})
if result.Error != nil {
return fmt.Errorf("failed to update integrity meta table: %s", result.Error)
}
}
return nil
}