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refactor: fix code lint warnings

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This commit is contained in:
Timothy
2020-08-10 14:39:56 +08:00
parent e94d99e25c
commit 1ddd1dfb8b
6 changed files with 24 additions and 18 deletions
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13
resolver/resolver.go
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@@ -34,8 +34,13 @@ func NewFromResolvConf(path string) (*DNSResolver, error) {
if _, err := os.Stat(path); os.IsNotExist(err) {
return &DNSResolver{}, errors.New("no such file or directory: " + path)
}
config, err := dns.ClientConfigFromFile(path)
servers := []string{}
if err != nil {
return &DNSResolver{}, err
}
var servers []string
for _, ipAddress := range config.Servers {
servers = append(servers, net.JoinHostPort(ipAddress, "53"))
}
@@ -56,14 +61,14 @@ func (r *DNSResolver) lookupHost(host string, dnsType uint16, triesLeft int) ([]
switch dnsType {
case dns.TypeA:
m1.Question[0] = dns.Question{dns.Fqdn(host), dns.TypeA, dns.ClassINET}
m1.Question[0] = dns.Question{Name: dns.Fqdn(host), Qtype: dns.TypeA, Qclass: dns.ClassINET}
case dns.TypeAAAA:
m1.Question[0] = dns.Question{dns.Fqdn(host), dns.TypeAAAA, dns.ClassINET}
m1.Question[0] = dns.Question{Name: dns.Fqdn(host), Qtype: dns.TypeAAAA, Qclass: dns.ClassINET}
}
in, err := dns.Exchange(m1, r.Servers[r.r.Intn(len(r.Servers))])
result := []net.IP{}
var result []net.IP
if err != nil {
if strings.HasSuffix(err.Error(), "i/o timeout") && triesLeft > 0 {