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package dhcpv6
import (
"fmt"
"github.com/u-root/uio/uio"
)
// OptRemoteID implemens the Remote ID option as defined by RFC 4649.
type OptRemoteID struct {
EnterpriseNumber uint32
RemoteID []byte
}
// Code implements Option.Code.
func (*OptRemoteID) Code() OptionCode {
return OptionRemoteID
}
// ToBytes serializes this option to a byte stream.
func (op *OptRemoteID) ToBytes() []byte {
buf := uio.NewBigEndianBuffer(nil)
buf.Write32(op.EnterpriseNumber)
buf.WriteBytes(op.RemoteID)
return buf.Data()
}
func (op *OptRemoteID) String() string {
return fmt.Sprintf("%s: {EnterpriseNumber=%d RemoteID=%#x}",
op.Code(), op.EnterpriseNumber, op.RemoteID,
)
}
// FromBytes builds an OptRemoteID structure from a sequence of bytes. The
// input data does not include option code and length bytes.
func (op *OptRemoteID) FromBytes(data []byte) error {
buf := uio.NewBigEndianBuffer(data)
op.EnterpriseNumber = buf.Read32()
op.RemoteID = buf.ReadAll()
return buf.FinError()
}
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