func optToMapStr(rrOPT *mkdns.OPT) common.MapStr {
optMapStr := common.MapStr{
"do": rrOPT.Do(), // true if DNSSEC
"version": strconv.FormatUint(uint64(rrOPT.Version()), 10),
"udp_size": rrOPT.UDPSize(),
"ext_rcode": dnsResponseCodeToString(rrOPT.ExtendedRcode()),
}
for _, o := range rrOPT.Option {
switch o.(type) {
case *mkdns.EDNS0_DAU:
optMapStr["dau"] = o.String()
case *mkdns.EDNS0_DHU:
optMapStr["dhu"] = o.String()
case *mkdns.EDNS0_EXPIRE:
optMapStr["local"] = o.String()
case *mkdns.EDNS0_LLQ:
optMapStr["llq"] = o.String()
case *mkdns.EDNS0_LOCAL:
optMapStr["local"] = o.String()
case *mkdns.EDNS0_N3U:
optMapStr["n3u"] = o.String()
case *mkdns.EDNS0_NSID:
optMapStr["nsid"] = o.String()
case *mkdns.EDNS0_SUBNET:
var draft string
if o.(*mkdns.EDNS0_SUBNET).DraftOption {
draft = " draft"
}
optMapStr["subnet"] = o.String() + draft
case *mkdns.EDNS0_UL:
optMapStr["ul"] = o.String()
}
}
return optMapStr
}
