Alex Vanin
94476f9055
Due to source code relocation from GitHub. Signed-off-by: Alex Vanin <a.vanin@yadro.com>
109 lines
2.3 KiB
Go
109 lines
2.3 KiB
Go
package subnet
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/refs"
|
|
"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/subnet"
|
|
subnetid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/subnet/id"
|
|
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/user"
|
|
)
|
|
|
|
// Info represents information about FrostFS subnet.
|
|
//
|
|
// Instances can be created using built-in var declaration.
|
|
type Info struct {
|
|
id subnetid.ID
|
|
|
|
owner user.ID
|
|
}
|
|
|
|
// Marshal encodes Info into a binary format of the FrostFS API protocol
|
|
// (Protocol Buffers with direct field order).
|
|
//
|
|
// See also Unmarshal.
|
|
func (x Info) Marshal() []byte {
|
|
var id refs.SubnetID
|
|
x.id.WriteToV2(&id)
|
|
|
|
var owner refs.OwnerID
|
|
x.owner.WriteToV2(&owner)
|
|
|
|
var m subnet.Info
|
|
m.SetID(&id)
|
|
m.SetOwner(&owner)
|
|
|
|
return m.StableMarshal(nil)
|
|
}
|
|
|
|
// Unmarshal decodes binary Info calculated using Marshal. Returns an error
|
|
// describing a format violation.
|
|
func (x *Info) Unmarshal(data []byte) error {
|
|
var m subnet.Info
|
|
|
|
err := m.Unmarshal(data)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
id := m.ID()
|
|
if id != nil {
|
|
err = x.id.ReadFromV2(*id)
|
|
if err != nil {
|
|
return fmt.Errorf("invalid ID: %w", err)
|
|
}
|
|
} else {
|
|
subnetid.MakeZero(&x.id)
|
|
}
|
|
|
|
owner := m.Owner()
|
|
if owner != nil {
|
|
err = x.owner.ReadFromV2(*owner)
|
|
if err != nil {
|
|
return fmt.Errorf("invalid owner: %w", err)
|
|
}
|
|
} else {
|
|
x.owner = user.ID{}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// SetID sets the identifier of the subnet that Info describes.
|
|
//
|
|
// See also ID.
|
|
func (x *Info) SetID(id subnetid.ID) {
|
|
x.id = id
|
|
}
|
|
|
|
// ID returns subnet identifier set using SetID.
|
|
//
|
|
// Zero Info refers to the zero subnet.
|
|
func (x Info) ID() subnetid.ID {
|
|
return x.id
|
|
}
|
|
|
|
// SetOwner sets identifier of the subnet owner.
|
|
func (x *Info) SetOwner(id user.ID) {
|
|
x.owner = id
|
|
}
|
|
|
|
// Owner returns subnet owner set using SetOwner.
|
|
//
|
|
// Zero Info has no owner which is incorrect according to the
|
|
// FrostFS API protocol.
|
|
func (x Info) Owner() user.ID {
|
|
return x.owner
|
|
}
|
|
|
|
// AssertOwnership checks if the given info describes the subnet owned by the
|
|
// given user.
|
|
func AssertOwnership(info Info, id user.ID) bool {
|
|
return id.Equals(info.Owner())
|
|
}
|
|
|
|
// AssertReference checks if the given info describes the subnet referenced by
|
|
// the given id.
|
|
func AssertReference(info Info, id subnetid.ID) bool {
|
|
return id.Equals(info.ID())
|
|
}
|