shirou_gopsutil/net_darwin.go

62 lines
1.1 KiB
Go

// +build darwin
package gopsutil
import (
"os/exec"
"strconv"
"strings"
)
func NetIOCounters(pernic bool) ([]NetIOCountersStat, error) {
out, err := exec.Command("/usr/sbin/netstat", "-ibdn").Output()
if err != nil {
return nil, err
}
lines := strings.Split(string(out), "\n")
ret := make([]NetIOCountersStat, 0, len(lines)-1)
for _, line := range lines {
values := strings.Fields(line)
if len(values) < 1 || values[0] == "Name" {
// skip first line
continue
}
base := 1
// sometimes Address is ommitted
if len(values) < 11 {
base = 0
}
parsed := make([]uint64, 0, 3)
vv := []string{
values[base+3], // PacketsRecv
values[base+4], // Errin
values[base+5], // Dropin
}
for _, target := range vv {
if target == "-" {
parsed = append(parsed, 0)
continue
}
t, err := strconv.ParseUint(target, 10, 64)
if err != nil {
return nil, err
}
parsed = append(parsed, t)
}
n := NetIOCountersStat{
Name: values[0],
PacketsRecv: parsed[0],
Errin: parsed[1],
Dropin: parsed[2],
}
ret = append(ret, n)
}
return ret, nil
}