本文整理汇总了Golang中dns.Client.Do方法的典型用法代码示例。如果您正苦于以下问题：Golang Client.Do方法的具体用法？Golang Client.Do怎么用？Golang Client.Do使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类dns.Client的用法示例。
在下文中一共展示了Client.Do方法的3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: addresses
func addresses(conf *dns.ClientConfig, c *dns.Client, name string) []string {
m4 := new(dns.Msg)
m4.SetQuestion(dns.Fqdn(os.Args[1]), dns.TypeA)
m6 := new(dns.Msg)
m6.SetQuestion(dns.Fqdn(os.Args[1]), dns.TypeAAAA)
addr := make(chan []string)
defer close(addr)
c.Do(m4, conf.Servers[0]+":"+conf.Port, addr, qhandler)
c.Do(m6, conf.Servers[0]+":"+conf.Port, addr, qhandler)
var ips []string
i := 2 // two outstanding queries
forever:
for {
select {
case ip := <-addr:
ips = append(ips, ip...)
i--
if i == 0 {
break forever
}
}
}
return ips
}示例2: addresses
func addresses(conf *dns.ClientConfig, c *dns.Client, name string) []string {
dns.HandleQueryFunc(os.Args[1], qhandler)
dns.ListenAndQuery(nil, nil)
m4 := new(dns.Msg)
m4.SetQuestion(os.Args[1], dns.TypeA)
m6 := new(dns.Msg)
m6.SetQuestion(os.Args[1], dns.TypeAAAA)
c.Do(m4, conf.Servers[0]) // Also 1 and 2 (and merge the results??
c.Do(m6, conf.Servers[0])
var ips []string
i := 2 // two outstanding queries
forever:
for {
select {
case r := <-dns.DefaultReplyChan:
if r[1] != nil && r[1].Rcode == dns.RcodeSuccess {
for _, aa := range r[1].Answer {
switch aa.(type) {
case *dns.RR_A:
ips = append(ips, aa.(*dns.RR_A).A.String()+":53")
case *dns.RR_AAAA:
ips = append(ips, "["+aa.(*dns.RR_AAAA).AAAA.String()+"]:53")
}
}
} else {
fmt.Printf("Nothing recevied for %s\n", name)
}
i--
if i == 0 {
break forever
}
}
}
return ips
}示例3: main
//.........这里部分代码省略.........
dns.HandleQuery(".", q)
dns.ListenAndQuery(nil)
c := new(dns.Client)
if *tcp {
c.Net = "tcp"
if *four {
c.Net = "tcp4"
}
if *six {
c.Net = "tcp6"
}
} else {
c.Net = "udp"
if *four {
c.Net = "udp4"
}
if *six {
c.Net = "udp6"
}
}
m := new(dns.Msg)
m.MsgHdr.Authoritative = *aa
m.MsgHdr.AuthenticatedData = *ad
m.MsgHdr.CheckingDisabled = *cd
m.MsgHdr.RecursionDesired = *rd
m.Question = make([]dns.Question, 1)
if *dnssec || *nsid || *client != "" {
o := new(dns.RR_OPT)
o.Hdr.Name = "."
o.Hdr.Rrtype = dns.TypeOPT
if *dnssec {
o.SetDo()
o.SetUDPSize(dns.DefaultMsgSize)
}
if *nsid {
e := new(dns.EDNS0_NSID)
e.Code = dns.EDNS0NSID
o.Option = append(o.Option, e)
// NSD will not return nsid when the udp message size is too small
o.SetUDPSize(dns.DefaultMsgSize)
}
if *client != "" {
e := new(dns.EDNS0_SUBNET)
e.Code = dns.EDNS0SUBNET
e.SourceScope = 0
e.Address = net.ParseIP(*client)
if e.Address == nil {
fmt.Fprintf(os.Stderr, "Failure to parse IP address: %s\n", *client)
return
}
e.Family = 1 // IP4
e.SourceNetmask = net.IPv4len * 8
if e.Address.To4() == nil {
e.Family = 2 // IP6
e.SourceNetmask = net.IPv6len * 8
}
o.Option = append(o.Option, e)
}
m.Extra = append(m.Extra, o)
}
for _, v := range qname {
m.Question[0] = dns.Question{v, qtype, qclass}
m.Id = dns.Id()