diff options
Diffstat (limited to 'dhcpv6/option_bootfileparam.go')
| -rw-r--r-- | dhcpv6/option_bootfileparam.go | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/dhcpv6/option_bootfileparam.go b/dhcpv6/option_bootfileparam.go index 7618080..ba09ca0 100644 --- a/dhcpv6/option_bootfileparam.go +++ b/dhcpv6/option_bootfileparam.go @@ -9,10 +9,12 @@ import ( // OptBootFileParam returns a BootfileParam option as defined in RFC 5970 // Section 3.2. func OptBootFileParam(args ...string) Option { - return optBootFileParam(args) + return &optBootFileParam{args} } -type optBootFileParam []string +type optBootFileParam struct { + params []string +} // Code returns the option code func (optBootFileParam) Code() OptionCode { @@ -22,7 +24,7 @@ func (optBootFileParam) Code() OptionCode { // ToBytes serializes the option and returns it as a sequence of bytes func (op optBootFileParam) ToBytes() []byte { buf := uio.NewBigEndianBuffer(nil) - for _, param := range op { + for _, param := range op.params { if len(param) >= 1<<16 { // TODO: say something here instead of silently ignoring a parameter continue @@ -42,20 +44,16 @@ func (op optBootFileParam) ToBytes() []byte { } func (op optBootFileParam) String() string { - return fmt.Sprintf("%s: %v", op.Code(), ([]string)(op)) + return fmt.Sprintf("%s: %v", op.Code(), op.params) } -// parseOptBootFileParam builds an OptBootFileParam structure from a sequence +// FromBytes builds an OptBootFileParam structure from a sequence // of bytes. The input data does not include option code and length bytes. -func parseOptBootFileParam(data []byte) (optBootFileParam, error) { +func (op *optBootFileParam) FromBytes(data []byte) error { buf := uio.NewBigEndianBuffer(data) - var result optBootFileParam for buf.Has(2) { length := buf.Read16() - result = append(result, string(buf.CopyN(int(length)))) - } - if err := buf.FinError(); err != nil { - return nil, err + op.params = append(op.params, string(buf.CopyN(int(length)))) } - return result, nil + return buf.FinError() } |