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[#223] object: Introduce new fields for ECHeader

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* Introduce `parentSplitID`, `parentSplitParentID` fields
  for `ECHeader`;
* Fix ECHeader's constructor;
* Fix `Split` and `Reconstruct`;
* Add unit-tests.

Signed-off-by: Airat Arifullin <a.arifullin@yadro.com>
This commit is contained in:
Airat Arifullin 2024-05-17 15:16:28 +03:00
parent 09b79d13f3
commit 3de256d05e
4 changed files with 152 additions and 13 deletions
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57
object/erasure_code.go
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@ -10,21 +10,25 @@ import (
// ECHeader represents erasure coding header.
type ECHeader struct {
parent oid.ID
index uint32
total uint32
header []byte
headerLength uint32
parent oid.ID
parentSplitID *SplitID
parentSplitParentID *oid.ID
index uint32
total uint32
header []byte
headerLength uint32
}
// NewECHeader constructs new erasure coding header.
func NewECHeader(parent oid.ID, index, total uint32, header []byte, headerLength uint32) *ECHeader {
func NewECHeader(parent oid.ID, parentSplitID *SplitID, parentSplitParentID *oid.ID, index, total uint32, header []byte, headerLength uint32) *ECHeader {
return &ECHeader{
parent: parent,
index: index,
total: total,
header: header,
headerLength: headerLength,
parent: parent,
parentSplitID: parentSplitID,
parentSplitParentID: parentSplitParentID,
index: index,
total: total,
header: header,
headerLength: headerLength,
}
}
@ -32,6 +36,14 @@ func NewECHeader(parent oid.ID, index, total uint32, header []byte, headerLength
func (e *ECHeader) WriteToV2(h *object.ECHeader) {
var parent refs.ObjectID
e.parent.WriteToV2(&parent)
h.ParentSplitID = e.parentSplitID.ToV2()
if e.parentSplitParentID != nil {
parentSplitParentID := new(refs.ObjectID)
e.parentSplitParentID.WriteToV2(parentSplitParentID)
h.ParentSplitParentID = parentSplitParentID
}
h.Parent = &parent
h.Index = e.index
h.Total = e.total
@ -49,6 +61,13 @@ func (e *ECHeader) ReadFromV2(h *object.ECHeader) error {
}
_ = e.parent.ReadFromV2(*h.Parent)
e.parentSplitID = NewSplitIDFromV2(h.ParentSplitID)
if h.ParentSplitParentID != nil {
if e.parentSplitParentID == nil {
e.parentSplitParentID = new(oid.ID)
}
_ = e.parentSplitParentID.ReadFromV2(*h.ParentSplitParentID)
}
e.index = h.Index
e.total = h.Total
e.header = h.Header
@ -88,6 +107,22 @@ func (e *ECHeader) SetParent(id oid.ID) {
e.parent = id
}
func (e *ECHeader) ParentSplitID() *SplitID {
return e.parentSplitID
}
func (e *ECHeader) SetParentSplitID(parentSplitID *SplitID) {
e.parentSplitID = parentSplitID
}
func (e *ECHeader) ParentSplitParentID() *oid.ID {
return e.parentSplitParentID
}
func (e *ECHeader) SetParentSplitParentID(parentSplitParentID *oid.ID) {
e.parentSplitParentID = parentSplitParentID
}
func (e *ECHeader) Index() uint32 {
return e.index
}