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package dhcpv4
import (
"errors"
"fmt"
)
// OptionGeneric is an option that only contains the option code and associated
// data. Every option that does not have a specific implementation will fall
// back to this option.
type OptionGeneric struct {
OptionCode OptionCode
Data []byte
}
// ParseOptionGeneric parses a bytestream and creates a new OptionGeneric from
// it, or an error.
func ParseOptionGeneric(code OptionCode, data []byte) (Option, error) {
if len(data) == 0 {
return nil, errors.New("invalid zero-length bytestream")
}
return &OptionGeneric{OptionCode: code, Data: data}, nil
}
// Code returns the generic option code.
func (o OptionGeneric) Code() OptionCode {
return o.OptionCode
}
// ToBytes returns a serialized generic option as a slice of bytes.
func (o OptionGeneric) ToBytes() []byte {
return o.Data
}
// String returns a human-readable representation of a generic option.
func (o OptionGeneric) String() string {
return fmt.Sprintf("%v -> %v", o.OptionCode.String(), o.Data)
}
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