package subnet import ( "fmt" "github.com/TrueCloudLab/frostfs-api-go/v2/refs" "github.com/TrueCloudLab/frostfs-api-go/v2/subnet" subnetid "github.com/TrueCloudLab/frostfs-sdk-go/subnet/id" "github.com/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()) }