func Getaddr(lookuper sutils.Lookuper, hostname string) (ip net.IP) {
ip = net.ParseIP(hostname)
if ip != nil {
return
}
addrs, err := lookuper.LookupIP(hostname)
n := len(addrs)
if err != nil || n == 0 {
return nil
}
return addrs[rand.Intn(n)]
}
func Getaddrs(lookuper sutils.Lookuper, hostname string) (ips []net.IP) {
ip := net.ParseIP(hostname)
if ip != nil {
ips = append(ips, ip)
return
}
ips, err := lookuper.LookupIP(hostname)
if err != nil {
log.Error("%s", err.Error())
}
return
}
func Getaddr(lookuper sutils.Lookuper, hostname string) (ip net.IP) {
ip = net.ParseIP(hostname)
if ip != nil {
return
}
addrs, err := lookuper.LookupIP(hostname)
n := len(addrs)
if err != nil {
return nil
}
switch n {
case 0:
return nil
case 1:
return addrs[0]
default:
return addrs[rand.Intn(n)]
}
}