Function resolveHostIP

src/toolchain.go:339–385

Netzwerk

()

// Netzwerk
func resolveHostIP() error {
	interfaces, err := net.Interfaces()
	if err != nil {
		return err
	}

	for _, iface := range interfaces {
		addrs, err := iface.Addrs()
		if err != nil {
			return err
		}

		for _, addr := range addrs {
			networkIP, ok := addr.(*net.IPNet)
			System.IPAddressesList = append(System.IPAddressesList, networkIP.IP.String())

			if ok {
				ip := networkIP.IP.String()

				if networkIP.IP.To4() != nil {
					// Skip unwanted IPs
					if !strings.HasPrefix(ip, "169.254") {
						System.IPAddressesV4 = append(System.IPAddressesV4, ip)
						System.IPAddress = ip
					}
				} else {
					System.IPAddressesV6 = append(System.IPAddressesV6, ip)
				}
			}
		}
	}

	if len(System.IPAddress) == 0 {
		if len(System.IPAddressesV4) > 0 {
			System.IPAddress = System.IPAddressesV4[0]
		} else if len(System.IPAddressesV6) > 0 {
			System.IPAddress = System.IPAddressesV6[0]
		}
	}

	System.Hostname, err = os.Hostname()
	if err != nil {
		return err
	}

	return nil
}

// Sonstiges
func randomString(n int) string {