Files
ctrld/internal/clientinfo/arp_unix.go
2023-08-09 23:54:23 +07:00

31 lines
503 B
Go

//go:build !linux && !windows
package clientinfo
import (
"os/exec"
"strings"
)
func (a *arpDiscover) scan() {
data, err := exec.Command("arp", "-an").Output()
if err != nil {
return
}
for _, line := range strings.Split(string(data), "\n") {
fields := strings.Fields(line)
if len(fields) <= 3 {
continue
}
// trim brackets
ip := strings.ReplaceAll(fields[1], "(", "")
ip = strings.ReplaceAll(ip, ")", "")
mac := fields[3]
a.mac.Store(ip, mac)
a.ip.Store(mac, ip)
}
}