本文整理汇总了Golang中github.com/abh/dns.RR_Header类的典型用法代码示例。如果您正苦于以下问题：Golang RR_Header类的具体用法？Golang RR_Header怎么用？Golang RR_Header使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了RR_Header类的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: statusRR
func statusRR(label string) []dns.RR {
h := dns.RR_Header{Ttl: 1, Class: dns.ClassINET, Rrtype: dns.TypeTXT}
h.Name = label
status := map[string]string{"v": VERSION, "id": serverID}
hostname, err := os.Hostname()
if err == nil {
status["h"] = hostname
}
status["up"] = strconv.Itoa(int(time.Since(timeStarted).Seconds()))
status["qs"] = strconv.FormatInt(qCounter.Count(), 10)
status["qps1"] = fmt.Sprintf("%.4f", qCounter.Rate1())
js, err := json.Marshal(status)
return []dns.RR{&dns.TXT{Hdr: h, Txt: []string{string(js)}}}
}示例2: setupZoneData
func setupZoneData(data map[string]interface{}, Zone *Zone) {
recordTypes := map[string]uint16{
"a": dns.TypeA,
"aaaa": dns.TypeAAAA,
"alias": dns.TypeMF,
"cname": dns.TypeCNAME,
"mx": dns.TypeMX,
"ns": dns.TypeNS,
"txt": dns.TypeTXT,
}
for dk, dv_inter := range data {
dv := dv_inter.(map[string]interface{})
//log.Printf("K %s V %s TYPE-V %T\n", dk, dv, dv)
label := Zone.AddLabel(dk)
for rType, rdata := range dv {
switch rType {
case "max_hosts":
label.MaxHosts = valueToInt(rdata)
continue
case "ttl":
label.Ttl = valueToInt(rdata)
continue
}
dnsType, ok := recordTypes[rType]
if !ok {
log.Printf("Unsupported record type '%s'\n", rType)
continue
}
if rdata == nil {
//log.Printf("No %s records for label %s\n", rType, dk)
continue
}
//log.Printf("rdata %s TYPE-R %T\n", rdata, rdata)
records := make(map[string][]interface{})
switch rdata.(type) {
case map[string]interface{}:
// Handle NS map syntax, map[ns2.example.net:<nil> ns1.example.net:<nil>]
tmp := make([]interface{}, 0)
for rdataK, rdataV := range rdata.(map[string]interface{}) {
if rdataV == nil {
rdataV = ""
}
tmp = append(tmp, []string{rdataK, rdataV.(string)})
}
records[rType] = tmp
case string:
// CNAME and alias
tmp := make([]interface{}, 1)
tmp[0] = rdata.(string)
records[rType] = tmp
default:
records[rType] = rdata.([]interface{})
}
//log.Printf("RECORDS %s TYPE-REC %T\n", Records, Records)
label.Records[dnsType] = make(Records, len(records[rType]))
for i := 0; i < len(records[rType]); i++ {
//log.Printf("RT %T %#v\n", records[rType][i], records[rType][i])
record := new(Record)
var h dns.RR_Header
// log.Println("TTL OPTIONS", Zone.Options.Ttl)
h.Ttl = uint32(label.Ttl)
h.Class = dns.ClassINET
h.Rrtype = dnsType
h.Name = label.Label + "." + Zone.Origin + "."
switch dnsType {
case dns.TypeA, dns.TypeAAAA:
rec := records[rType][i].([]interface{})
ip := rec[0].(string)
var err error
if len(rec) > 1 {
switch rec[1].(type) {
case string:
record.Weight, err = strconv.Atoi(rec[1].(string))
if err != nil {
panic("Error converting weight to integer")
}
case float64:
record.Weight = int(rec[1].(float64))
}
}
//.........这里部分代码省略.........
示例3: setupZoneData
func setupZoneData(data map[string]interface{}, Zone *Zone) {
recordTypes := map[string]uint16{
"a": dns.TypeA,
"aaaa": dns.TypeAAAA,
"alias": dns.TypeMF,
"cname": dns.TypeCNAME,
"mx": dns.TypeMX,
"ns": dns.TypeNS,
"txt": dns.TypeTXT,
"spf": dns.TypeSPF,
"srv": dns.TypeSRV,
}
for dk, dv_inter := range data {
dv := dv_inter.(map[string]interface{})
//log.Printf("K %s V %s TYPE-V %T\n", dk, dv, dv)
label := Zone.AddLabel(dk)
for rType, rdata := range dv {
switch rType {
case "max_hosts":
label.MaxHosts = valueToInt(rdata)
continue
case "ttl":
label.Ttl = valueToInt(rdata)
continue
}
dnsType, ok := recordTypes[rType]
if !ok {
log.Printf("Unsupported record type '%s'\n", rType)
continue
}
if rdata == nil {
//log.Printf("No %s records for label %s\n", rType, dk)
continue
}
//log.Printf("rdata %s TYPE-R %T\n", rdata, rdata)
records := make(map[string][]interface{})
switch rdata.(type) {
case map[string]interface{}:
// Handle NS map syntax, map[ns2.example.net:<nil> ns1.example.net:<nil>]
tmp := make([]interface{}, 0)
for rdataK, rdataV := range rdata.(map[string]interface{}) {
if rdataV == nil {
rdataV = ""
}
tmp = append(tmp, []string{rdataK, rdataV.(string)})
}
records[rType] = tmp
case string:
// CNAME and alias
tmp := make([]interface{}, 1)
tmp[0] = rdata.(string)
records[rType] = tmp
default:
records[rType] = rdata.([]interface{})
}
//log.Printf("RECORDS %s TYPE-REC %T\n", Records, Records)
label.Records[dnsType] = make(Records, len(records[rType]))
for i := 0; i < len(records[rType]); i++ {
//log.Printf("RT %T %#v\n", records[rType][i], records[rType][i])
record := new(Record)
var h dns.RR_Header
// log.Println("TTL OPTIONS", Zone.Options.Ttl)
h.Ttl = uint32(label.Ttl)
h.Class = dns.ClassINET
h.Rrtype = dnsType
switch len(label.Label) {
case 0:
h.Name = Zone.Origin + "."
default:
h.Name = label.Label + "." + Zone.Origin + "."
}
switch dnsType {
case dns.TypeA, dns.TypeAAAA:
str, weight := getStringWeight(records[rType][i].([]interface{}))
ip := str
record.Weight = weight
switch dnsType {
case dns.TypeA:
//.........这里部分代码省略.........
示例4: serve
func serve(w dns.ResponseWriter, req *dns.Msg, z *Zone) {
qtype := req.Question[0].Qtype
logPrintf("[zone %s] incoming %s %s %d from %s\n", z.Origin, req.Question[0].Name,
dns.TypeToString[qtype], req.MsgHdr.Id, w.RemoteAddr())
// Global meter
metrics.Get("queries").(metrics.Meter).Mark(1)
// Zone meter
z.Metrics.Queries.Mark(1)
logPrintln("Got request", req)
label := getQuestionName(z, req)
z.Metrics.LabelStats.Add(label)
realIp, _, _ := net.SplitHostPort(w.RemoteAddr().String())
z.Metrics.ClientStats.Add(realIp)
var ip net.IP // EDNS or real IP
var edns *dns.EDNS0_SUBNET
var opt_rr *dns.OPT
for _, extra := range req.Extra {
switch extra.(type) {
case *dns.OPT:
for _, o := range extra.(*dns.OPT).Option {
opt_rr = extra.(*dns.OPT)
switch e := o.(type) {
case *dns.EDNS0_NSID:
// do stuff with e.Nsid
case *dns.EDNS0_SUBNET:
z.Metrics.EdnsQueries.Mark(1)
logPrintln("Got edns", e.Address, e.Family, e.SourceNetmask, e.SourceScope)
if e.Address != nil {
edns = e
ip = e.Address
}
}
}
}
}
if len(ip) == 0 { // no edns subnet
ip = net.ParseIP(realIp)
}
targets, netmask := z.Options.Targeting.GetTargets(ip)
m := new(dns.Msg)
m.SetReply(req)
if e := m.IsEdns0(); e != nil {
m.SetEdns0(4096, e.Do())
}
m.Authoritative = true
// TODO: set scope to 0 if there are no alternate responses
if edns != nil {
if edns.Family != 0 {
if netmask < 16 {
netmask = 16
}
edns.SourceScope = uint8(netmask)
m.Extra = append(m.Extra, opt_rr)
}
}
labels, labelQtype := z.findLabels(label, targets, qTypes{dns.TypeMF, dns.TypeCNAME, qtype})
if labelQtype == 0 {
labelQtype = qtype
}
if labels == nil {
firstLabel := (strings.Split(label, "."))[0]
if firstLabel == "_status" {
if qtype == dns.TypeANY || qtype == dns.TypeTXT {
m.Answer = statusRR(label + "." + z.Origin + ".")
} else {
m.Ns = append(m.Ns, z.SoaRR())
}
m.Authoritative = true
w.WriteMsg(m)
return
}
if firstLabel == "_country" {
if qtype == dns.TypeANY || qtype == dns.TypeTXT {
h := dns.RR_Header{Ttl: 1, Class: dns.ClassINET, Rrtype: dns.TypeTXT}
h.Name = label + "." + z.Origin + "."
txt := []string{
w.RemoteAddr().String(),
ip.String(),
//.........这里部分代码省略.........