112 lines
2.7 KiB
Go
112 lines
2.7 KiB
Go
package subnet
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import (
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"github.com/nspcc-dev/neofs-api-go/v2/refs"
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"github.com/nspcc-dev/neofs-api-go/v2/subnet"
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"github.com/nspcc-dev/neofs-sdk-go/owner"
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subnetid "github.com/nspcc-dev/neofs-sdk-go/subnet/id"
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)
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// Info represents information about NeoFS subnet.
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//
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// The type is compatible with the corresponding message from NeoFS API V2 protocol.
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//
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// Zero value and nil pointer to it represents zero subnet w/o an owner.
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type Info subnet.Info
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// FromV2 initializes Info from subnet.Info message structure. Must not be called on nil.
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func (x *Info) FromV2(msg subnet.Info) {
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*x = Info(msg)
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}
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// WriteToV2 writes Info to subnet.Info message structure. The message must not be nil.
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func (x Info) WriteToV2(msg *subnet.Info) {
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*msg = subnet.Info(x)
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}
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// Marshal encodes Info into a binary format of NeoFS API V2 protocol (Protocol Buffers with direct field order).
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func (x *Info) Marshal() ([]byte, error) {
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return (*subnet.Info)(x).StableMarshal(nil)
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}
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// Unmarshal decodes Info from NeoFS API V2 binary format (see Marshal). Must not be called on nil.
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//
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// Note: empty data corresponds to zero Info value or nil pointer to it.
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func (x *Info) Unmarshal(data []byte) error {
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return (*subnet.Info)(x).Unmarshal(data)
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}
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// SetID sets the identifier of the subnet that Info describes.
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func (x *Info) SetID(id subnetid.ID) {
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infov2 := (*subnet.Info)(x)
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idv2 := infov2.ID()
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if idv2 == nil {
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idv2 = new(refs.SubnetID)
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infov2.SetID(idv2)
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}
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id.WriteToV2(idv2)
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}
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// ReadID reads the identifier of the subnet that Info describes. Arg must not be nil.
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func (x Info) ReadID(id *subnetid.ID) {
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infov2 := (subnet.Info)(x)
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idv2 := infov2.ID()
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if idv2 == nil {
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subnetid.MakeZero(id)
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return
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}
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id.FromV2(*idv2)
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}
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// SetOwner sets subnet owner ID.
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func (x *Info) SetOwner(id owner.ID) {
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infov2 := (*subnet.Info)(x)
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idv2 := infov2.Owner()
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if idv2 == nil {
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idv2 = new(refs.OwnerID)
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infov2.SetOwner(idv2)
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}
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// FIXME: we need to implement and use owner.ID.WriteToV2() method
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*idv2 = *id.ToV2()
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}
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// ReadOwner reads the identifier of the subnet that Info describes.
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// Must be called only if owner is set (see HasOwner). Arg must not be nil.
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func (x Info) ReadOwner(id *owner.ID) {
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infov2 := (subnet.Info)(x)
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id2 := infov2.Owner()
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if id2 == nil {
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// TODO: implement owner.ID.Reset
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*id = owner.ID{}
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return
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}
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// TODO: we need to implement and use owner.ID.FromV2 method
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*id = *owner.NewIDFromV2(infov2.Owner())
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}
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// IsOwner checks subnet ownership.
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func IsOwner(info Info, id owner.ID) bool {
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id2 := new(owner.ID)
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info.ReadOwner(id2)
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return id.Equal(id2)
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}
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// IDEquals checks if ID refers to subnet that Info describes.
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func IDEquals(info Info, id subnetid.ID) bool {
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id2 := new(subnetid.ID)
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info.ReadID(id2)
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return id.Equals(id2)
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}
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