28 lines
506 B
Go
28 lines
506 B
Go
package updater
|
|
|
|
import (
|
|
"bytes"
|
|
"net"
|
|
"sort"
|
|
)
|
|
|
|
func uniqueSortedIPs(ips []net.IP) []net.IP {
|
|
uniqueIPs := make(map[string]struct{}, len(ips))
|
|
for _, ip := range ips {
|
|
key := ip.String()
|
|
uniqueIPs[key] = struct{}{}
|
|
}
|
|
ips = make([]net.IP, 0, len(uniqueIPs))
|
|
for key := range uniqueIPs {
|
|
ip := net.ParseIP(key)
|
|
if ipv4 := ip.To4(); ipv4 != nil {
|
|
ip = ipv4
|
|
}
|
|
ips = append(ips, ip)
|
|
}
|
|
sort.Slice(ips, func(i, j int) bool {
|
|
return bytes.Compare(ips[i], ips[j]) < 0
|
|
})
|
|
return ips
|
|
}
|