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net_freebsd.go
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net_freebsd.go
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// +build freebsd
package gopsutil
import (
"os/exec"
"strconv"
"strings"
)
func NetIOCounters(pernic bool) ([]NetIOCountersStat, error) {
out, err := exec.Command("/usr/bin/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" {
continue
}
base := 1
// sometimes Address is ommitted
if len(values) < 13 {
base = 0
}
parsed := make([]uint64, 0, 8)
vv := []string{
values[base+3], // PacketsRecv
values[base+4], // Errin
values[base+5], // Dropin
values[base+6], // BytesRecvn
values[base+7], // PacketSent
values[base+8], // Errout
values[base+9], // BytesSent
values[base+11], // Dropout
}
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],
BytesRecv: parsed[3],
PacketsSent: parsed[4],
Errout: parsed[5],
BytesSent: parsed[6],
Dropout: parsed[7],
}
ret = append(ret, n)
}
return ret, nil
}