diff options
| -rw-r--r-- | dhcpv6/options.go | 145 |
1 files changed, 38 insertions, 107 deletions
diff --git a/dhcpv6/options.go b/dhcpv6/options.go index 9d7da4d..6a55082 100644 --- a/dhcpv6/options.go +++ b/dhcpv6/options.go @@ -42,149 +42,80 @@ func (og *OptionGeneric) FromBytes(p []byte) error { } // ParseOption parses data according to the given code. +// +// Parse a sequence of bytes as a single DHCPv6 option. +// Returns the option structure, or an error if any. func ParseOption(code OptionCode, optData []byte) (Option, error) { - // Parse a sequence of bytes as a single DHCPv6 option. - // Returns the option structure, or an error if any. - var ( - err error - opt Option - ) + var opt Option switch code { case OptionClientID: - var o optClientID - err = o.FromBytes(optData) - opt = &o + opt = &optClientID{} case OptionServerID: - var o optServerID - err = o.FromBytes(optData) - opt = &o + opt = &optServerID{} case OptionIANA: - var o OptIANA - err = o.FromBytes(optData) - opt = &o + opt = &OptIANA{} case OptionIATA: - var o OptIATA - err = o.FromBytes(optData) - opt = &o + opt = &OptIATA{} case OptionIAAddr: - var o OptIAAddress - err = o.FromBytes(optData) - opt = &o + opt = &OptIAAddress{} case OptionORO: - var o optRequestedOption - err = o.FromBytes(optData) - opt = &o + opt = &optRequestedOption{} case OptionElapsedTime: - var o optElapsedTime - err = o.FromBytes(optData) - opt = &o + opt = &optElapsedTime{} case OptionRelayMsg: - var o optRelayMsg - err = o.FromBytes(optData) - opt = &o + opt = &optRelayMsg{} case OptionStatusCode: - var o OptStatusCode - err = o.FromBytes(optData) - opt = &o + opt = &OptStatusCode{} case OptionUserClass: - var o OptUserClass - err = o.FromBytes(optData) - opt = &o + opt = &OptUserClass{} case OptionVendorClass: - var o OptVendorClass - err = o.FromBytes(optData) - opt = &o + opt = &OptVendorClass{} case OptionVendorOpts: - var o OptVendorOpts - err = o.FromBytes(optData) - opt = &o + opt = &OptVendorOpts{} case OptionInterfaceID: - var o optInterfaceID - err = o.FromBytes(optData) - opt = &o + opt = &optInterfaceID{} case OptionDNSRecursiveNameServer: - var o optDNS - err = o.FromBytes(optData) - opt = &o + opt = &optDNS{} case OptionDomainSearchList: - var o optDomainSearchList - err = o.FromBytes(optData) - opt = &o + opt = &optDomainSearchList{} case OptionIAPD: - var o OptIAPD - err = o.FromBytes(optData) - opt = &o + opt = &OptIAPD{} case OptionIAPrefix: - var o OptIAPrefix - err = o.FromBytes(optData) - opt = &o + opt = &OptIAPrefix{} case OptionInformationRefreshTime: - var o optInformationRefreshTime - err = o.FromBytes(optData) - opt = &o + opt = &optInformationRefreshTime{} case OptionRemoteID: - var o OptRemoteID - err = o.FromBytes(optData) - opt = &o + opt = &OptRemoteID{} case OptionFQDN: - var o OptFQDN - err = o.FromBytes(optData) - opt = &o + opt = &OptFQDN{} case OptionNTPServer: - var o OptNTPServer - err = o.FromBytes(optData) - opt = &o + opt = &OptNTPServer{} case OptionBootfileURL: - var o optBootFileURL - err = o.FromBytes(optData) - opt = &o + opt = &optBootFileURL{} case OptionBootfileParam: - var o optBootFileParam - err = o.FromBytes(optData) - opt = &o + opt = &optBootFileParam{} case OptionClientArchType: - var o optClientArchType - err = o.FromBytes(optData) - opt = &o + opt = &optClientArchType{} case OptionNII: - var o OptNetworkInterfaceID - err = o.FromBytes(optData) - opt = &o + opt = &OptNetworkInterfaceID{} case OptionClientLinkLayerAddr: - var o optClientLinkLayerAddress - err = o.FromBytes(optData) - opt = &o + opt = &optClientLinkLayerAddress{} case OptionDHCPv4Msg: - var o OptDHCPv4Msg - err = o.FromBytes(optData) - opt = &o + opt = &OptDHCPv4Msg{} case OptionDHCP4oDHCP6Server: - var o OptDHCP4oDHCP6Server - err = o.FromBytes(optData) - opt = &o + opt = &OptDHCP4oDHCP6Server{} case Option4RD: - var o Opt4RD - err = o.FromBytes(optData) - opt = &o + opt = &Opt4RD{} case Option4RDMapRule: - var o Opt4RDMapRule - err = o.FromBytes(optData) - opt = &o + opt = &Opt4RDMapRule{} case Option4RDNonMapRule: - var o Opt4RDNonMapRule - err = o.FromBytes(optData) - opt = &o + opt = &Opt4RDNonMapRule{} case OptionRelayPort: - var o optRelayPort - err = o.FromBytes(optData) - opt = &o + opt = &optRelayPort{} default: - opt = &OptionGeneric{OptionCode: code, OptionData: optData} + opt = &OptionGeneric{OptionCode: code} } - if err != nil { - return nil, err - } - return opt, nil + return opt, opt.FromBytes(optData) } type longStringer interface { |