shirou_gopsutil/net/net_darwin.go

115 lines
2.9 KiB
Go

// +build darwin
package net
import (
"errors"
"os/exec"
"strconv"
"strings"
"github.com/shirou/gopsutil/internal/common"
)
// example of netstat -idbn output on yosemite
// Name Mtu Network Address Ipkts Ierrs Ibytes Opkts Oerrs Obytes Coll Drop
// lo0 16384 <Link#1> 869107 0 169411755 869107 0 169411755 0 0
// lo0 16384 ::1/128 ::1 869107 - 169411755 869107 - 169411755 - -
// lo0 16384 127 127.0.0.1 869107 - 169411755 869107 - 169411755 - -
func IOCounters(pernic bool) ([]IOCountersStat, error) {
netstat, err := exec.LookPath("/usr/sbin/netstat")
if err != nil {
return nil, err
}
out, err := invoke.Command(netstat, "-ibdnW")
if err != nil {
return nil, err
}
lines := strings.Split(string(out), "\n")
ret := make([]IOCountersStat, 0, len(lines)-1)
exists := make([]string, 0, len(ret))
for _, line := range lines {
values := strings.Fields(line)
if len(values) < 1 || values[0] == "Name" {
// skip first line
continue
}
if common.StringsHas(exists, values[0]) {
// skip if already get
continue
}
exists = append(exists, values[0])
base := 1
// sometimes Address is ommitted
if len(values) < 11 {
base = 0
}
parsed := make([]uint64, 0, 7)
vv := []string{
values[base+3], // Ipkts == PacketsRecv
values[base+4], // Ierrs == Errin
values[base+5], // Ibytes == BytesRecv
values[base+6], // Opkts == PacketsSent
values[base+7], // Oerrs == Errout
values[base+8], // Obytes == BytesSent
}
if len(values) == 12 {
vv = append(vv, values[base+10])
}
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 := IOCountersStat{
Name: values[0],
PacketsRecv: parsed[0],
Errin: parsed[1],
BytesRecv: parsed[2],
PacketsSent: parsed[3],
Errout: parsed[4],
BytesSent: parsed[5],
}
if len(parsed) == 7 {
n.Dropout = parsed[6]
}
ret = append(ret, n)
}
if pernic == false {
return getIOCountersAll(ret)
}
return ret, nil
}
// NetIOCountersByFile is an method which is added just a compatibility for linux.
func IOCountersByFile(pernic bool, filename string) ([]IOCountersStat, error) {
return IOCounters(pernic)
}
func FilterCounters() ([]FilterStat, error) {
return nil, errors.New("NetFilterCounters not implemented for darwin")
}
// NetProtoCounters returns network statistics for the entire system
// If protocols is empty then all protocols are returned, otherwise
// just the protocols in the list are returned.
// Not Implemented for Darwin
func ProtoCounters(protocols []string) ([]ProtoCountersStat, error) {
return nil, errors.New("NetProtoCounters not implemented for darwin")
}