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package dhcpv6
// This module defines the OptRelayMsg structure.
// https://www.ietf.org/rfc/rfc3315.txt
import (
"encoding/binary"
"fmt"
)
type OptRelayMsg struct {
relayMessage DHCPv6
}
func (op *OptRelayMsg) Code() OptionCode {
return OptionRelayMsg
}
func (op *OptRelayMsg) ToBytes() []byte {
buf := make([]byte, 4)
binary.BigEndian.PutUint16(buf[0:2], uint16(OptionRelayMsg))
binary.BigEndian.PutUint16(buf[2:4], uint16(op.Length()))
buf = append(buf, op.relayMessage.ToBytes()...)
return buf
}
func (op *OptRelayMsg) RelayMessage() DHCPv6 {
return op.relayMessage
}
func (op *OptRelayMsg) SetRelayMessage(relayMessage DHCPv6) {
op.relayMessage = relayMessage
}
func (op *OptRelayMsg) Length() int {
return op.relayMessage.Length()
}
func (op *OptRelayMsg) String() string {
return fmt.Sprintf("OptRelayMsg{relaymsg=%v}", op.relayMessage)
}
// build an OptRelayMsg structure from a sequence of bytes.
// The input data does not include option code and length bytes.
func ParseOptRelayMsg(data []byte) (*OptRelayMsg, error) {
var err error
opt := OptRelayMsg{}
opt.relayMessage, err = FromBytes(data)
if err != nil {
return nil, err
}
return &opt, nil
}
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