forked from TrueCloudLab/frostfs-node
116 lines
3 KiB
Go
116 lines
3 KiB
Go
package blobovnicza
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import (
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"context"
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"errors"
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"fmt"
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"syscall"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/util/logicerr"
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"git.frostfs.info/TrueCloudLab/frostfs-observability/tracing"
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oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
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"go.etcd.io/bbolt"
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"go.opentelemetry.io/otel/attribute"
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"go.opentelemetry.io/otel/trace"
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)
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// PutPrm groups the parameters of Put operation.
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type PutPrm struct {
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addr oid.Address
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objData []byte
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force bool
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}
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// PutRes groups the resulting values of Put operation.
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type PutRes struct{}
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// SetAddress sets the address of the saving object.
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func (p *PutPrm) SetAddress(addr oid.Address) {
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p.addr = addr
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}
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// SetMarshaledObject sets binary representation of the object.
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func (p *PutPrm) SetMarshaledObject(data []byte) {
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p.objData = data
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}
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// SetForce sets force option.
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func (p *PutPrm) SetForce(f bool) {
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p.force = f
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}
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// Put saves an object in Blobovnicza.
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//
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// If binary representation of the object is not set,
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// it is calculated via Marshal method.
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//
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// The size of the object MUST BE less that or equal to
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// the size specified in WithObjectSizeLimit option.
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//
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// Returns any error encountered that
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// did not allow to completely save the object.
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//
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// Returns ErrFull if blobovnicza is filled.
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//
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// Should not be called in read-only configuration.
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func (b *Blobovnicza) Put(ctx context.Context, prm PutPrm) (PutRes, error) {
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_, span := tracing.StartSpanFromContext(ctx, "Blobovnicza.Put",
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trace.WithAttributes(
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attribute.String("path", b.path),
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attribute.String("address", prm.addr.EncodeToString()),
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attribute.Int("size", len(prm.objData)),
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))
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defer span.End()
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b.controlMtx.RLock()
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defer b.controlMtx.RUnlock()
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sz := uint64(len(prm.objData))
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bucketName := bucketForSize(sz)
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key := addressKey(prm.addr)
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recordSize := sz + uint64(len(key))
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err := b.boltDB.Batch(func(tx *bbolt.Tx) error {
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buck := tx.Bucket(bucketName)
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if buck == nil {
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// expected to happen:
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// - before initialization step (incorrect usage by design)
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// - if DB is corrupted (in future this case should be handled)
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// - blobovnicza's object size changed before rebuild (handled if prm.force flag specified)
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if !prm.force {
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return logicerr.Wrap(fmt.Errorf("(%T) bucket for size %d not created", b, sz))
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}
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var err error
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buck, err = tx.CreateBucket(bucketName)
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if err != nil {
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return fmt.Errorf("(%T) failed to create bucket for size %d: %w", b, sz, err)
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}
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}
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// save the object in bucket
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if err := buck.Put(key, prm.objData); err != nil {
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return fmt.Errorf("(%T) could not save object in bucket: %w", b, err)
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}
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return updateMeta(tx, func(count, size uint64) (uint64, uint64) {
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return count + 1, size + recordSize
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})
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})
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if err == nil {
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b.itemAdded(recordSize)
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} else if errors.Is(err, syscall.ENOSPC) {
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err = ErrNoSpace
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}
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return PutRes{}, err
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}
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func addressKey(addr oid.Address) []byte {
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return []byte(addr.EncodeToString())
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}
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func addressFromKey(dst *oid.Address, data []byte) error {
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return dst.DecodeString(string(data))
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}
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