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Dont nest so deep. Used a goto for now

This commit is contained in:
Miek Gieben 2012-11-04 09:32:24 +01:00
parent 74cffb0578
commit 20b8675868
1 changed files with 22 additions and 21 deletions
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43
ex/check-soa/check-soa.go
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@ -19,7 +19,7 @@ var (
conf *dns.ClientConfig
)
func localQuery(qname string, qtype uint16) (r *dns.Msg, err error) {
func localQuery(qname string, qtype uint16) (*dns.Msg, error) {
localm.SetQuestion(qname, qtype)
for i := range conf.Servers {
server := conf.Servers[i]
@ -118,30 +118,31 @@ func main() {
if soa == nil {
success = false
fmt.Printf("%s (%s) ", ip, err)
} else {
if soa.Rcode != dns.RcodeSuccess {
success = false
fmt.Printf("%s (%s) ", ips, dns.Rcode_str[soa.Rcode])
goto Next
}
if soa.Rcode != dns.RcodeSuccess {
success = false
fmt.Printf("%s (%s) ", ips, dns.Rcode_str[soa.Rcode])
goto Next
}
if len(soa.Answer) == 0 { // May happen if the server is a recursor, not authoritative, since we query with RD=0
success = false
fmt.Printf("%s (0 answer) ", ip)
goto Next
}
rsoa := soa.Answer[0]
switch rsoa.(type) {
case *dns.RR_SOA:
if soa.MsgHdr.Authoritative {
// TODO: test if all name servers have the same serial ?
fmt.Printf("%s (%d) ", ips, rsoa.(*dns.RR_SOA).Serial)
} else {
if len(soa.Answer) == 0 { // May happen if the server is a recursor, not authoritative, since we query with RD=0
success = false
fmt.Printf("%s (0 answer) ", ip)
} else {
rsoa := soa.Answer[0]
switch rsoa.(type) {
case *dns.RR_SOA:
if soa.MsgHdr.Authoritative {
// TODO: test if all name servers have the same serial ?
fmt.Printf("%s (%d) ", ips, rsoa.(*dns.RR_SOA).Serial)
} else {
success = false
fmt.Printf("%s (not authoritative) ", ips)
}
}
}
success = false
fmt.Printf("%s (not authoritative) ", ips)
}
}
}
Next:
fmt.Printf("\n")
}
}