Go获取Windows的网卡ＩＯ.

package main

import (
"fmt"
"github.com/axgle/mahonia"
"github.com/shirou/gopsutil/net"
nnet "net"
"os"
"os/exec"
"strings"
"time"
)

var debug string

func main() {
if len(os.Args) != 3 && len(os.Args) != 4 {
fmt.Println("Args error ...")
return
}
R_name := strings.ToUpper(os.Args[1])
I_name := strings.ToUpper(os.Args[2])
if len(os.Args) == 4 {
debug = os.Args[3]
}
var addr string
lis, _ := nnet.Interfaces()
for _, v := range lis {
if strings.ToUpper(v.Name) == R_name {
addr = v.HardwareAddr.String()
}
if debug == "true" {
fmt.Println(v)
}
}
if len(addr) == 0 {
addr = cmd_get_mac(R_name)
if len(addr) < 2 {
return
}
}
var num []uint64 = make([]uint64, 2)
for i := 0; i < 2; i++ {
Netio, err := net.NetIOCounters(true)
if err != nil {
fmt.Println(err)
return
}
for _, v := range Netio {
if debug == "true" {
fmt.Printf("HardWare Addr :%s\n%s\n", addr, nnet.HardwareAddr(v.Addr[:8]).String())
fmt.Println(v)
}
if strings.Contains(nnet.HardwareAddr(v.Addr[:8]).String(), addr) {
switch I_name {
case "IN":
num[i] = v.BytesRecv
case "OUT":
num[i] = v.BytesSent
}
}
}
if i == 1 {
break
}
time.Sleep(5e9)
}
if debug == "true" {
fmt.Println(num)
}
fmt.Print((num[1] - num[0]) / 5.00)
}

func cmd_get_mac(name string) string {
cmd := exec.Command("getmac", "/FO", "csv", "/v", "/NH")
buf, err := cmd.Output()
if err != nil {
if debug == "true" {
fmt.Println(err)
}
return ""
}
s := mahonia.NewDecoder("gb18030").ConvertString(string(buf))
for _, v := range strings.Split(s, "\n") {
if strings.Contains(v, name) {
hwaddr, err := nnet.ParseMAC(split(v))
if err != nil && debug == "true" {
fmt.Println(err)
continue
}
return hwaddr.String()
}
}
return ""
}

func split(s string) string {
lis := strings.Split(s, ",")
if len(lis) < 3 {
return ""
}
return strings.Trim(lis[2], `"`)
}