package main

import (

	"fmt"

	"log"

	"net"

	"strings"

)

type Network struct {

	Name       string

	IP         string

	MACAddress string

}

type intfInfo struct {

	Name       string

	MacAddress string

	Ipv4       []string

}

func getNetworkInfo() error {

	intf, err := net.Interfaces()

	if err != nil {

		log.Fatal("get network info failed: %v", err)

		return err

	}

	var is = make([]intfInfo, len(intf))

	for i, v := range intf {

		ips, err := v.Addrs()

		if err != nil {

			log.Fatal("get network addr failed: %v", err)

			return err

		}

		//此处过滤loopback（本地回环）和isatap（isatap隧道）

		if !strings.Contains(v.Name, "Loopback") && !strings.Contains(v.Name, "isatap") {

			var network Network

			is[i].Name = v.Name

			is[i].MacAddress = v.HardwareAddr.String()

			for _, ip := range ips {

				if strings.Contains(ip.String(), ".") {

					is[i].Ipv4 = append(is[i].Ipv4, ip.String())

				}

			}

			network.Name = is[i].Name

			network.MACAddress = is[i].MacAddress

			if len(is[i].Ipv4) > 0 {

				network.IP = is[i].Ipv4[0]

			}

			fmt.Printf("network:=", network)

		}

	}

	return nil

}

func main() {

	getNetworkInfo()

}