forked from TrueCloudLab/frostfs-api-go
48 lines
867 B
Go
48 lines
867 B
Go
|
package container
|
||
|
|
|
||
|
|
import (
|
||
|
|
"crypto/sha256"
|
||
|
|
|
||
|
|
"github.com/nspcc-dev/neofs-api-go/v2/refs"
|
||
|
|
"github.com/pkg/errors"
|
||
|
|
)
|
||
|
|
|
||
|
|
// ID represents container identifier
|
||
|
|
// that supports different type of values.
|
||
|
|
type ID struct {
|
||
|
|
val []byte
|
||
|
|
}
|
||
|
|
|
||
|
|
// SetSHA256 sets container identifier value to SHA256 checksum.
|
||
|
|
func (id *ID) SetSHA256(v [sha256.Size]byte) {
|
||
|
|
if id != nil {
|
||
|
|
id.val = v[:]
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// ToV2 returns the v2 container ID message.
|
||
|
|
func (id *ID) ToV2() *refs.ContainerID {
|
||
|
|
if id != nil {
|
||
|
|
idV2 := new(refs.ContainerID)
|
||
|
|
idV2.SetValue(id.val)
|
||
|
|
|
||
|
|
return idV2
|
||
|
|
}
|
||
|
|
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func IDFromV2(idV2 *refs.ContainerID) (*ID, error) {
|
||
|
|
val := idV2.GetValue()
|
||
|
|
if ln := len(val); ln != sha256.Size {
|
||
|
|
return nil, errors.Errorf(
|
||
|
|
"could not convert %T to %T: expected length %d, received %d",
|
||
|
|
idV2, (*ID)(nil), sha256.Size, ln,
|
||
|
|
)
|
||
|
|
}
|
||
|
|
|
||
|
|
return &ID{
|
||
|
|
val: val,
|
||
|
|
}, nil
|
||
|
|
}
|