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package dhcpv6
import (
"fmt"
)
// OptInterfaceID returns an interface id option as defined by RFC 3315,
// Section 22.18.
func OptInterfaceID(id []byte) Option {
return &optInterfaceID{ID: id}
}
type optInterfaceID struct {
ID []byte
}
func (*optInterfaceID) Code() OptionCode {
return OptionInterfaceID
}
func (op *optInterfaceID) ToBytes() []byte {
return op.ID
}
func (op *optInterfaceID) String() string {
return fmt.Sprintf("%s: %v", op.Code(), op.ID)
}
// build an optInterfaceID structure from a sequence of bytes.
// The input data does not include option code and length bytes.
func parseOptInterfaceID(data []byte) (*optInterfaceID, error) {
var opt optInterfaceID
opt.ID = append([]byte(nil), data...)
return &opt, nil
}
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