122 lines
2.2 KiB
Go
122 lines
2.2 KiB
Go
package object
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import (
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"errors"
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"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/object"
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refs "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/refs"
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oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
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)
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// ECHeader represents erasure coding header.
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type ECHeader struct {
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parent oid.ID
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index uint32
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total uint32
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header []byte
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headerLength uint32
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}
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// NewECHeader constructs new erasure coding header.
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func NewECHeader(parent oid.ID, index, total uint32, header []byte, headerLength uint32) *ECHeader {
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return &ECHeader{
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parent: parent,
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index: index,
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total: total,
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header: header,
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headerLength: headerLength,
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}
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}
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// WriteToV2 converts SDK structure to v2-api one.
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func (e *ECHeader) WriteToV2(h *object.ECHeader) {
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var parent refs.ObjectID
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e.parent.WriteToV2(&parent)
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h.Parent = &parent
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h.Index = e.index
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h.Total = e.total
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h.Header = e.header
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h.HeaderLength = e.headerLength
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}
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// ReadFromV2 converts v2-api structure to SDK one.
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func (e *ECHeader) ReadFromV2(h *object.ECHeader) error {
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if h == nil {
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return nil
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}
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if h.Parent == nil {
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return errors.New("empty parent")
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}
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_ = e.parent.ReadFromV2(*h.Parent)
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e.index = h.Index
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e.total = h.Total
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e.header = h.Header
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e.headerLength = h.HeaderLength
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return nil
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}
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func (o *Object) ECHeader() *ECHeader {
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ec := (*object.Object)(o).GetHeader().GetEC()
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if ec == nil {
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return nil
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}
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h := new(ECHeader)
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_ = h.ReadFromV2(ec)
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return h
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}
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func (o *Object) SetECHeader(ec *ECHeader) {
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o.setHeaderField(func(h *object.Header) {
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if ec == nil {
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h.SetEC(nil)
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return
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}
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v2 := new(object.ECHeader)
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ec.WriteToV2(v2)
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h.SetEC(v2)
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})
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}
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func (e *ECHeader) Parent() oid.ID {
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return e.parent
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}
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func (e *ECHeader) SetParent(id oid.ID) {
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e.parent = id
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}
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func (e *ECHeader) Index() uint32 {
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return e.index
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}
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func (e *ECHeader) SetIndex(i uint32) {
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e.index = i
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}
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func (e *ECHeader) Total() uint32 {
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return e.total
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}
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func (e *ECHeader) SetTotal(i uint32) {
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e.total = i
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}
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func (e *ECHeader) Header() []byte {
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return e.header
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}
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func (e *ECHeader) SetHeader(header []byte) {
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e.header = header
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}
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func (e *ECHeader) HeaderLength() uint32 {
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return e.headerLength
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}
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func (e *ECHeader) SetHeaderLength(l uint32) {
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e.headerLength = l
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}
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