111 lines
2.8 KiB
Go
111 lines
2.8 KiB
Go
// +build darwin
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package net
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import (
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"errors"
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"os/exec"
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"strconv"
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"strings"
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"github.com/shirou/gopsutil/internal/common"
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)
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// example of netstat -idbn output on yosemite
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// Name Mtu Network Address Ipkts Ierrs Ibytes Opkts Oerrs Obytes Coll Drop
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// lo0 16384 <Link#1> 869107 0 169411755 869107 0 169411755 0 0
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// lo0 16384 ::1/128 ::1 869107 - 169411755 869107 - 169411755 - -
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// lo0 16384 127 127.0.0.1 869107 - 169411755 869107 - 169411755 - -
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func IOCounters(pernic bool) ([]IOCountersStat, error) {
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out, err := exec.Command("/usr/sbin/netstat", "-ibdnW").Output()
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if err != nil {
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return nil, err
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}
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lines := strings.Split(string(out), "\n")
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ret := make([]IOCountersStat, 0, len(lines)-1)
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exists := make([]string, 0, len(ret))
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for _, line := range lines {
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values := strings.Fields(line)
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if len(values) < 1 || values[0] == "Name" {
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// skip first line
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continue
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}
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if common.StringsHas(exists, values[0]) {
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// skip if already get
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continue
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}
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exists = append(exists, values[0])
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base := 1
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// sometimes Address is ommitted
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if len(values) < 11 {
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base = 0
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}
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parsed := make([]uint64, 0, 7)
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vv := []string{
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values[base+3], // Ipkts == PacketsRecv
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values[base+4], // Ierrs == Errin
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values[base+5], // Ibytes == BytesRecv
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values[base+6], // Opkts == PacketsSent
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values[base+7], // Oerrs == Errout
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values[base+8], // Obytes == BytesSent
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}
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if len(values) == 12 {
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vv = append(vv, values[base+10])
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}
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for _, target := range vv {
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if target == "-" {
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parsed = append(parsed, 0)
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continue
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}
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t, err := strconv.ParseUint(target, 10, 64)
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if err != nil {
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return nil, err
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}
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parsed = append(parsed, t)
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}
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n := IOCountersStat{
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Name: values[0],
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PacketsRecv: parsed[0],
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Errin: parsed[1],
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BytesRecv: parsed[2],
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PacketsSent: parsed[3],
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Errout: parsed[4],
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BytesSent: parsed[5],
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}
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if len(parsed) == 7 {
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n.Dropout = parsed[6]
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}
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ret = append(ret, n)
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}
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if pernic == false {
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return getIOCountersAll(ret)
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}
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return ret, nil
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}
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// NetIOCountersByFile is an method which is added just a compatibility for linux.
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func IOCountersByFile(pernic bool, filename string) ([]IOCountersStat, error) {
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return IOCounters(pernic)
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}
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func FilterCounters() ([]FilterStat, error) {
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return nil, errors.New("NetFilterCounters not implemented for darwin")
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}
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// NetProtoCounters returns network statistics for the entire system
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// If protocols is empty then all protocols are returned, otherwise
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// just the protocols in the list are returned.
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// Not Implemented for Darwin
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func ProtoCounters(protocols []string) ([]ProtoCountersStat, error) {
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return nil, errors.New("NetProtoCounters not implemented for darwin")
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}
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