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package dhcpv4
import (
"fmt"
"net"
"github.com/u-root/u-root/pkg/uio"
)
// This option implements the requested IP address option
// https://tools.ietf.org/html/rfc2132
// OptRequestedIPAddress represents an option encapsulating the server
// identifier.
type OptRequestedIPAddress struct {
RequestedAddr net.IP
}
// ParseOptRequestedIPAddress returns a new OptServerIdentifier from a byte
// stream, or error if any.
func ParseOptRequestedIPAddress(data []byte) (*OptRequestedIPAddress, error) {
buf := uio.NewBigEndianBuffer(data)
return &OptRequestedIPAddress{RequestedAddr: net.IP(buf.CopyN(net.IPv4len))}, buf.FinError()
}
// Code returns the option code.
func (o *OptRequestedIPAddress) Code() OptionCode {
return OptionRequestedIPAddress
}
// ToBytes returns a serialized stream of bytes for this option.
func (o *OptRequestedIPAddress) ToBytes() []byte {
return o.RequestedAddr.To4()
}
// String returns a human-readable string.
func (o *OptRequestedIPAddress) String() string {
return fmt.Sprintf("Requested IP Address -> %v", o.RequestedAddr.String())
}
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