Add stable marshal for object structure
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
This commit is contained in:
Alex Vanin
Stanislav Bogatyrev
parent
e553843552
commit
93d2d12984
2 changed files with 683 additions and 0 deletions
450
v2/object/marshal.go
Normal file
450
v2/object/marshal.go
Normal file
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@ -0,0 +1,450 @@
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package object
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import (
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"github.com/nspcc-dev/neofs-api-go/util/proto"
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)
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const (
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shortHdrVersionField = 1
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shortHdrEpochField = 2
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shortHdrOwnerField = 3
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shortHdrObjectTypeField = 4
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shortHdrPayloadLength = 5
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attributeKeyField = 1
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attributeValueField = 2
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splitHdrParentField = 1
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splitHdrPreviousField = 2
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splitHdrParentSignatureField = 3
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splitHdrParentHeaderField = 4
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splitHdrChildrenField = 5
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hdrVersionField = 1
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hdrContainerIDField = 2
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hdrOwnerIDField = 3
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hdrEpochField = 4
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hdrPayloadLengthField = 5
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hdrPayloadHashField = 6
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hdrObjectTypeField = 7
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hdrHomomorphicHashField = 8
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hdrSessionTokenField = 9
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hdrAttributesField = 10
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hdrSplitField = 11
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objIDField = 1
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objSignatureField = 2
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objHeaderField = 3
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objPayloadField = 4
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)
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func (h *ShortHeader) StableMarshal(buf []byte) ([]byte, error) {
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if h == nil {
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return []byte{}, nil
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}
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if buf == nil {
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buf = make([]byte, h.StableSize())
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}
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var (
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offset, n int
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err error
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)
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n, err = proto.NestedStructureMarshal(shortHdrVersionField, buf[offset:], h.version)
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if err != nil {
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return nil, err
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}
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offset += n
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n, err = proto.UInt64Marshal(shortHdrEpochField, buf[offset:], h.creatEpoch)
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if err != nil {
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return nil, err
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}
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offset += n
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n, err = proto.NestedStructureMarshal(shortHdrOwnerField, buf[offset:], h.ownerID)
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if err != nil {
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return nil, err
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}
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offset += n
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n, err = proto.EnumMarshal(shortHdrObjectTypeField, buf[offset:], int32(h.typ))
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if err != nil {
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return nil, err
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}
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offset += n
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_, err = proto.UInt64Marshal(shortHdrPayloadLength, buf[offset:], h.payloadLen)
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if err != nil {
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return nil, err
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}
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return buf, nil
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}
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func (h *ShortHeader) StableSize() (size int) {
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if h == nil {
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return 0
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}
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size += proto.NestedStructureSize(shortHdrVersionField, h.version)
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size += proto.UInt64Size(shortHdrEpochField, h.creatEpoch)
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size += proto.NestedStructureSize(shortHdrOwnerField, h.ownerID)
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size += proto.EnumSize(shortHdrObjectTypeField, int32(h.typ))
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size += proto.UInt64Size(shortHdrPayloadLength, h.payloadLen)
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return size
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}
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func (a *Attribute) StableMarshal(buf []byte) ([]byte, error) {
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if a == nil {
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return []byte{}, nil
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}
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if buf == nil {
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buf = make([]byte, a.StableSize())
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}
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var (
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offset, n int
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err error
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)
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n, err = proto.StringMarshal(attributeKeyField, buf[offset:], a.key)
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if err != nil {
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return nil, err
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}
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offset += n
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_, err = proto.StringMarshal(attributeValueField, buf[offset:], a.val)
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if err != nil {
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return nil, err
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}
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return buf, nil
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}
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func (a *Attribute) StableSize() (size int) {
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if a == nil {
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return 0
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}
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size += proto.StringSize(shortHdrVersionField, a.key)
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size += proto.StringSize(shortHdrEpochField, a.val)
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return size
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}
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func (h *SplitHeader) StableMarshal(buf []byte) ([]byte, error) {
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if h == nil {
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return []byte{}, nil
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}
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if buf == nil {
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buf = make([]byte, h.StableSize())
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}
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var (
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offset, n int
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err error
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)
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n, err = proto.NestedStructureMarshal(splitHdrParentField, buf[offset:], h.par)
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if err != nil {
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return nil, err
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}
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offset += n
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n, err = proto.NestedStructureMarshal(splitHdrPreviousField, buf[offset:], h.prev)
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if err != nil {
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return nil, err
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}
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offset += n
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n, err = proto.NestedStructureMarshal(splitHdrParentSignatureField, buf[offset:], h.parSig)
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if err != nil {
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return nil, err
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}
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offset += n
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n, err = proto.NestedStructureMarshal(splitHdrParentHeaderField, buf[offset:], h.parHdr)
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if err != nil {
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return nil, err
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}
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offset += n
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for i := range h.children {
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n, err = proto.NestedStructureMarshal(splitHdrChildrenField, buf[offset:], h.children[i])
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if err != nil {
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return nil, err
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}
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offset += n
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}
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return buf, nil
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}
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func (h *SplitHeader) StableSize() (size int) {
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if h == nil {
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return 0
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}
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size += proto.NestedStructureSize(splitHdrParentField, h.par)
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size += proto.NestedStructureSize(splitHdrPreviousField, h.prev)
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size += proto.NestedStructureSize(splitHdrParentSignatureField, h.parSig)
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size += proto.NestedStructureSize(splitHdrParentHeaderField, h.parHdr)
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for i := range h.children {
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size += proto.NestedStructureSize(splitHdrChildrenField, h.children[i])
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}
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return size
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}
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func (h *Header) StableMarshal(buf []byte) ([]byte, error) {
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if h == nil {
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return []byte{}, nil
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}
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if buf == nil {
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buf = make([]byte, h.StableSize())
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}
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var (
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offset, n int
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err error
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)
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n, err = proto.NestedStructureMarshal(hdrVersionField, buf[offset:], h.version)
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if err != nil {
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return nil, err
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}
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offset += n
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n, err = proto.NestedStructureMarshal(hdrContainerIDField, buf[offset:], h.cid)
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if err != nil {
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return nil, err
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}
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offset += n
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n, err = proto.NestedStructureMarshal(hdrOwnerIDField, buf[offset:], h.ownerID)
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if err != nil {
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return nil, err
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}
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offset += n
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n, err = proto.UInt64Marshal(hdrEpochField, buf[offset:], h.creatEpoch)
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if err != nil {
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return nil, err
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}
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offset += n
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n, err = proto.UInt64Marshal(hdrPayloadLengthField, buf[offset:], h.payloadLen)
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if err != nil {
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return nil, err
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}
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offset += n
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n, err = proto.BytesMarshal(hdrPayloadHashField, buf[offset:], h.payloadHash)
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if err != nil {
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return nil, err
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}
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offset += n
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n, err = proto.EnumMarshal(hdrObjectTypeField, buf[offset:], int32(h.typ))
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if err != nil {
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return nil, err
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}
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offset += n
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n, err = proto.BytesMarshal(hdrHomomorphicHashField, buf[offset:], h.homoHash)
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if err != nil {
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return nil, err
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}
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offset += n
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n, err = proto.NestedStructureMarshal(hdrSessionTokenField, buf[offset:], h.sessionToken)
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if err != nil {
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return nil, err
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}
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offset += n
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for i := range h.attr {
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n, err = proto.NestedStructureMarshal(hdrAttributesField, buf[offset:], h.attr[i])
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if err != nil {
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return nil, err
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}
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offset += n
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}
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_, err = proto.NestedStructureMarshal(hdrSplitField, buf[offset:], h.split)
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if err != nil {
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return nil, err
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}
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return buf, nil
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}
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func (h *Header) StableSize() (size int) {
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if h == nil {
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return 0
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}
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size += proto.NestedStructureSize(hdrVersionField, h.version)
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size += proto.NestedStructureSize(hdrContainerIDField, h.cid)
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size += proto.NestedStructureSize(hdrOwnerIDField, h.ownerID)
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size += proto.UInt64Size(hdrEpochField, h.creatEpoch)
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size += proto.UInt64Size(hdrPayloadLengthField, h.payloadLen)
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size += proto.BytesSize(hdrPayloadHashField, h.payloadHash)
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size += proto.EnumSize(hdrObjectTypeField, int32(h.typ))
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size += proto.BytesSize(hdrHomomorphicHashField, h.homoHash)
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size += proto.NestedStructureSize(hdrSessionTokenField, h.sessionToken)
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for i := range h.attr {
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size += proto.NestedStructureSize(hdrAttributesField, h.attr[i])
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}
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size += proto.NestedStructureSize(hdrSplitField, h.split)
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return size
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}
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func (o *Object) StableMarshal(buf []byte) ([]byte, error) {
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if o == nil {
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return []byte{}, nil
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}
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if buf == nil {
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buf = make([]byte, o.StableSize())
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}
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var (
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offset, n int
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err error
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)
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n, err = proto.NestedStructureMarshal(objIDField, buf[offset:], o.objectID)
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if err != nil {
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return nil, err
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}
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offset += n
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n, err = proto.NestedStructureMarshal(objSignatureField, buf[offset:], o.idSig)
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if err != nil {
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return nil, err
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}
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offset += n
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n, err = proto.NestedStructureMarshal(objHeaderField, buf[offset:], o.header)
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if err != nil {
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return nil, err
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}
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offset += n
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_, err = proto.BytesMarshal(objPayloadField, buf[offset:], o.payload)
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if err != nil {
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return nil, err
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}
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return buf, nil
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}
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func (o *Object) StableSize() (size int) {
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if o == nil {
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return 0
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}
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size += proto.NestedStructureSize(objIDField, o.objectID)
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size += proto.NestedStructureSize(objSignatureField, o.idSig)
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size += proto.NestedStructureSize(objHeaderField, o.header)
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size += proto.BytesSize(objPayloadField, o.payload)
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return size
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}
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func (r *PutRequestBody) StableMarshal(buf []byte) ([]byte, error) {
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panic("not implemented")
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}
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func (r *PutRequestBody) StableSize() (size int) {
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panic("not implemented")
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}
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func (r *GetResponseBody) StableMarshal(buf []byte) ([]byte, error) {
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panic("not implemented")
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}
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func (r *GetResponseBody) StableSize() (size int) {
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panic("not implemented")
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}
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func (r *PutResponseBody) StableMarshal(buf []byte) ([]byte, error) {
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panic("not implemented")
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}
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func (r *PutResponseBody) StableSize() (size int) {
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panic("not implemented")
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}
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func (r *DeleteResponseBody) StableMarshal(buf []byte) ([]byte, error) {
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panic("not implemented")
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}
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func (r *DeleteResponseBody) StableSize() (size int) {
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panic("not implemented")
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}
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func (r *HeadResponseBody) StableMarshal(buf []byte) ([]byte, error) {
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panic("not implemented")
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}
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func (r *HeadResponseBody) StableSize() (size int) {
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panic("not implemented")
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}
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func (r *SearchResponseBody) StableMarshal(buf []byte) ([]byte, error) {
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panic("not implemented")
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}
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func (r *SearchResponseBody) StableSize() (size int) {
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panic("not implemented")
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}
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func (r *GetRangeResponseBody) StableMarshal(buf []byte) ([]byte, error) {
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panic("not implemented")
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}
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func (r *GetRangeResponseBody) StableSize() (size int) {
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panic("not implemented")
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}
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func (r *GetRangeHashResponseBody) StableMarshal(buf []byte) ([]byte, error) {
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panic("not implemented")
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}
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func (r *GetRangeHashResponseBody) StableSize() (size int) {
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panic("not implemented")
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}
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233
v2/object/marshal_test.go
Normal file
233
v2/object/marshal_test.go
Normal file
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@ -0,0 +1,233 @@
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package object_test
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import (
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"testing"
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"github.com/nspcc-dev/neofs-api-go/v2/object"
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grpc "github.com/nspcc-dev/neofs-api-go/v2/object/grpc"
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"github.com/nspcc-dev/neofs-api-go/v2/refs"
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"github.com/nspcc-dev/neofs-api-go/v2/service"
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"github.com/stretchr/testify/require"
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)
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func TestShortHeader_StableMarshal(t *testing.T) {
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hdrFrom := generateShortHeader("Owner ID")
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transport := new(grpc.ShortHeader)
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t.Run("non empty", func(t *testing.T) {
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wire, err := hdrFrom.StableMarshal(nil)
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require.NoError(t, err)
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err = transport.Unmarshal(wire)
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require.NoError(t, err)
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hdrTo := object.ShortHeaderFromGRPCMessage(transport)
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require.Equal(t, hdrFrom, hdrTo)
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})
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}
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func TestAttribute_StableMarshal(t *testing.T) {
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from := generateAttribute("Key", "Value")
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transport := new(grpc.Header_Attribute)
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t.Run("non empty", func(t *testing.T) {
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wire, err := from.StableMarshal(nil)
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require.NoError(t, err)
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err = transport.Unmarshal(wire)
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require.NoError(t, err)
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to := object.AttributeFromGRPCMessage(transport)
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require.Equal(t, from, to)
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})
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}
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func TestSplitHeader_StableMarshal(t *testing.T) {
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from := generateSplit("Split Outside")
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hdr := generateHeader(123)
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from.SetParentHeader(hdr)
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transport := new(grpc.Header_Split)
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t.Run("non empty", func(t *testing.T) {
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wire, err := from.StableMarshal(nil)
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require.NoError(t, err)
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err = transport.Unmarshal(wire)
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require.NoError(t, err)
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to := object.SplitHeaderFromGRPCMessage(transport)
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require.Equal(t, from, to)
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})
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}
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func TestHeader_StableMarshal(t *testing.T) {
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insideHeader := generateHeader(100)
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split := generateSplit("Split")
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split.SetParentHeader(insideHeader)
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from := generateHeader(500)
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from.SetSplit(split)
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transport := new(grpc.Header)
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t.Run("non empty", func(t *testing.T) {
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wire, err := from.StableMarshal(nil)
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require.NoError(t, err)
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err = transport.Unmarshal(wire)
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require.NoError(t, err)
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to := object.HeaderFromGRPCMessage(transport)
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require.Equal(t, from, to)
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})
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}
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func TestObject_StableMarshal(t *testing.T) {
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from := generateObject("Payload")
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transport := new(grpc.Object)
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t.Run("non empty", func(t *testing.T) {
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wire, err := from.StableMarshal(nil)
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require.NoError(t, err)
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err = transport.Unmarshal(wire)
|
||||
require.NoError(t, err)
|
||||
|
||||
to := object.ObjectFromGRPCMessage(transport)
|
||||
require.Equal(t, from, to)
|
||||
})
|
||||
}
|
||||
|
||||
func generateOwner(id string) *refs.OwnerID {
|
||||
owner := new(refs.OwnerID)
|
||||
owner.SetValue([]byte(id))
|
||||
|
||||
return owner
|
||||
}
|
||||
|
||||
func generateObjectID(id string) *refs.ObjectID {
|
||||
oid := new(refs.ObjectID)
|
||||
oid.SetValue([]byte(id))
|
||||
|
||||
return oid
|
||||
}
|
||||
|
||||
func generateContainerID(id string) *refs.ContainerID {
|
||||
cid := new(refs.ContainerID)
|
||||
cid.SetValue([]byte(id))
|
||||
|
||||
return cid
|
||||
}
|
||||
|
||||
func generateSignature(k, v string) *service.Signature {
|
||||
sig := new(service.Signature)
|
||||
sig.SetKey([]byte(k))
|
||||
sig.SetSign([]byte(v))
|
||||
|
||||
return sig
|
||||
}
|
||||
|
||||
func generateVersion(maj, min uint32) *service.Version {
|
||||
version := new(service.Version)
|
||||
version.SetMajor(maj)
|
||||
version.SetMinor(min)
|
||||
|
||||
return version
|
||||
}
|
||||
|
||||
func generateSessionToken(id string) *service.SessionToken {
|
||||
lifetime := new(service.TokenLifetime)
|
||||
lifetime.SetExp(1)
|
||||
lifetime.SetNbf(2)
|
||||
lifetime.SetIat(3)
|
||||
|
||||
addr := new(refs.Address)
|
||||
addr.SetContainerID(generateContainerID("Container ID"))
|
||||
addr.SetObjectID(generateObjectID("Object ID"))
|
||||
|
||||
objectCtx := new(service.ObjectSessionContext)
|
||||
objectCtx.SetVerb(service.ObjectVerbPut)
|
||||
objectCtx.SetAddress(addr)
|
||||
|
||||
tokenBody := new(service.SessionTokenBody)
|
||||
tokenBody.SetID([]byte(id))
|
||||
tokenBody.SetOwnerID(generateOwner("Owner ID"))
|
||||
tokenBody.SetSessionKey([]byte(id))
|
||||
tokenBody.SetLifetime(lifetime)
|
||||
tokenBody.SetContext(objectCtx)
|
||||
|
||||
sessionToken := new(service.SessionToken)
|
||||
sessionToken.SetBody(tokenBody)
|
||||
sessionToken.SetSignature(generateSignature("public key", id))
|
||||
|
||||
return sessionToken
|
||||
}
|
||||
|
||||
func generateShortHeader(id string) *object.ShortHeader {
|
||||
hdr := new(object.ShortHeader)
|
||||
hdr.SetOwnerID(generateOwner(id))
|
||||
hdr.SetVersion(generateVersion(2, 0))
|
||||
hdr.SetCreationEpoch(200)
|
||||
hdr.SetObjectType(object.TypeRegular)
|
||||
hdr.SetPayloadLength(10)
|
||||
|
||||
return hdr
|
||||
}
|
||||
|
||||
func generateAttribute(k, v string) *object.Attribute {
|
||||
attr := new(object.Attribute)
|
||||
attr.SetValue(v)
|
||||
attr.SetKey(k)
|
||||
|
||||
return attr
|
||||
}
|
||||
|
||||
func generateSplit(sig string) *object.SplitHeader {
|
||||
split := new(object.SplitHeader)
|
||||
split.SetChildren([]*refs.ObjectID{
|
||||
generateObjectID("Child 1"),
|
||||
generateObjectID("Child 2"),
|
||||
})
|
||||
split.SetParent(generateObjectID("Parent"))
|
||||
split.SetParentSignature(generateSignature("Key", sig))
|
||||
split.SetPrevious(generateObjectID("Previous"))
|
||||
|
||||
return split
|
||||
}
|
||||
|
||||
func generateHeader(ln uint64) *object.Header {
|
||||
hdr := new(object.Header)
|
||||
hdr.SetPayloadLength(ln)
|
||||
hdr.SetCreationEpoch(ln / 2)
|
||||
hdr.SetVersion(generateVersion(2, 0))
|
||||
hdr.SetOwnerID(generateOwner("Owner ID"))
|
||||
hdr.SetContainerID(generateContainerID("Contanier ID"))
|
||||
hdr.SetAttributes([]*object.Attribute{
|
||||
generateAttribute("One", "Two"),
|
||||
generateAttribute("Three", "Four"),
|
||||
})
|
||||
hdr.SetHomomorphicHash([]byte("Homomorphic Hash"))
|
||||
hdr.SetObjectType(object.TypeRegular)
|
||||
hdr.SetPayloadHash([]byte("Payload Hash"))
|
||||
hdr.SetSessionToken(generateSessionToken(string(ln)))
|
||||
|
||||
return hdr
|
||||
}
|
||||
|
||||
func generateObject(data string) *object.Object {
|
||||
insideHeader := generateHeader(100)
|
||||
split := generateSplit("Split")
|
||||
split.SetParentHeader(insideHeader)
|
||||
|
||||
outsideHeader := generateHeader(500)
|
||||
outsideHeader.SetSplit(split)
|
||||
|
||||
obj := new(object.Object)
|
||||
obj.SetSignature(generateSignature("Public Key", "Signature"))
|
||||
obj.SetObjectID(generateObjectID("Object ID"))
|
||||
obj.SetPayload([]byte(data))
|
||||
obj.SetHeader(outsideHeader)
|
||||
|
||||
return obj
|
||||
}
|
||||
Loading…
Reference in a new issue