本文整理匯總了Golang中github.com/abh/dns.Msg類的典型用法代碼示例。如果您正苦於以下問題：Golang Msg類的具體用法？Golang Msg怎麽用？Golang Msg使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
在下文中一共展示了Msg類的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1: exchangeSubnet
func exchangeSubnet(c *C, name string, dnstype uint16, ip string) *dns.Msg {
msg := new(dns.Msg)
msg.SetQuestion(name, dnstype)
o := new(dns.OPT)
o.Hdr.Name = "."
o.Hdr.Rrtype = dns.TypeOPT
e := new(dns.EDNS0_SUBNET)
e.Code = dns.EDNS0SUBNET
e.SourceScope = 0
e.Address = net.ParseIP(ip)
e.Family = 1 // IP4
e.SourceNetmask = net.IPv4len * 8
o.Option = append(o.Option, e)
msg.Extra = append(msg.Extra, o)
c.Log("msg", msg)
return dorequest(c, msg)
}示例2: exchange
func exchange(c *C, name string, dnstype uint16) *dns.Msg {
msg := new(dns.Msg)
msg.SetQuestion(name, dnstype)
return dorequest(c, msg)
}示例3: 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(),
//.........這裏部分代碼省略.........