511 lines
11 KiB
Go
511 lines
11 KiB
Go
// +build darwin
|
|
|
|
package process
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/binary"
|
|
"fmt"
|
|
"os/exec"
|
|
"strconv"
|
|
"strings"
|
|
"syscall"
|
|
"time"
|
|
"unsafe"
|
|
|
|
"github.com/shirou/gopsutil/cpu"
|
|
"github.com/shirou/gopsutil/internal/common"
|
|
"github.com/shirou/gopsutil/net"
|
|
)
|
|
|
|
// copied from sys/sysctl.h
|
|
const (
|
|
CTLKern = 1 // "high kernel": proc, limits
|
|
KernProc = 14 // struct: process entries
|
|
KernProcPID = 1 // by process id
|
|
KernProcProc = 8 // only return procs
|
|
KernProcAll = 0 // everything
|
|
KernProcPathname = 12 // path to executable
|
|
)
|
|
|
|
const (
|
|
ClockTicks = 100 // C.sysconf(C._SC_CLK_TCK)
|
|
)
|
|
|
|
type _Ctype_struct___0 struct {
|
|
Pad uint64
|
|
}
|
|
|
|
// MemoryInfoExStat is different between OSes
|
|
type MemoryInfoExStat struct {
|
|
}
|
|
|
|
type MemoryMapsStat struct {
|
|
}
|
|
|
|
func Pids() ([]int32, error) {
|
|
var ret []int32
|
|
|
|
pids, err := callPs("pid", 0, false)
|
|
if err != nil {
|
|
return ret, err
|
|
}
|
|
|
|
for _, pid := range pids {
|
|
v, err := strconv.Atoi(pid[0])
|
|
if err != nil {
|
|
return ret, err
|
|
}
|
|
ret = append(ret, int32(v))
|
|
}
|
|
|
|
return ret, nil
|
|
}
|
|
|
|
func (p *Process) Ppid() (int32, error) {
|
|
r, err := callPs("ppid", p.Pid, false)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
v, err := strconv.Atoi(r[0][0])
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
return int32(v), err
|
|
}
|
|
func (p *Process) Name() (string, error) {
|
|
k, err := p.getKProc()
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
return common.IntToString(k.Proc.P_comm[:]), nil
|
|
}
|
|
func (p *Process) Exe() (string, error) {
|
|
lsof_bin, err := exec.LookPath("lsof")
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
awk_bin, err := exec.LookPath("awk")
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
sed_bin, err := exec.LookPath("sed")
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
lsof := exec.Command(lsof_bin, "-p", strconv.Itoa(int(p.Pid)), "-Fn")
|
|
awk := exec.Command(awk_bin, "NR==3{print}")
|
|
sed := exec.Command(sed_bin, "s/n\\//\\//")
|
|
|
|
output, _, err := common.Pipeline(lsof, awk, sed)
|
|
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
ret := strings.TrimSpace(string(output))
|
|
|
|
return ret, nil
|
|
}
|
|
|
|
// Cmdline returns the command line arguments of the process as a string with
|
|
// each argument separated by 0x20 ascii character.
|
|
func (p *Process) Cmdline() (string, error) {
|
|
r, err := callPs("command", p.Pid, false)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
return strings.Join(r[0], " "), err
|
|
}
|
|
|
|
// CmdlineSlice returns the command line arguments of the process as a slice with each
|
|
// element being an argument. Because of current deficiencies in the way that the command
|
|
// line arguments are found, single arguments that have spaces in the will actually be
|
|
// reported as two separate items. In order to do something better CGO would be needed
|
|
// to use the native darwin functions.
|
|
func (p *Process) CmdlineSlice() ([]string, error) {
|
|
r, err := callPs("command", p.Pid, false)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return r[0], err
|
|
}
|
|
func (p *Process) CreateTime() (int64, error) {
|
|
r, err := callPs("etime", p.Pid, false)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
elapsedSegments := strings.Split(strings.Replace(r[0][0], "-", ":", 1), ":")
|
|
var elapsedDurations []time.Duration
|
|
for i := len(elapsedSegments) - 1; i >= 0; i-- {
|
|
p, err := strconv.ParseInt(elapsedSegments[i], 10, 0)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
elapsedDurations = append(elapsedDurations, time.Duration(p))
|
|
}
|
|
|
|
var elapsed = time.Duration(elapsedDurations[0]) * time.Second
|
|
if len(elapsedDurations) > 1 {
|
|
elapsed += time.Duration(elapsedDurations[1]) * time.Minute
|
|
}
|
|
if len(elapsedDurations) > 2 {
|
|
elapsed += time.Duration(elapsedDurations[2]) * time.Hour
|
|
}
|
|
if len(elapsedDurations) > 3 {
|
|
elapsed += time.Duration(elapsedDurations[3]) * time.Hour * 24
|
|
}
|
|
|
|
start := time.Now().Add(-elapsed)
|
|
return start.Unix() * 1000, nil
|
|
}
|
|
func (p *Process) Cwd() (string, error) {
|
|
return "", common.ErrNotImplementedError
|
|
}
|
|
func (p *Process) Parent() (*Process, error) {
|
|
rr, err := common.CallLsof(invoke, p.Pid, "-FR")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
for _, r := range rr {
|
|
if strings.HasPrefix(r, "p") { // skip if process
|
|
continue
|
|
}
|
|
l := string(r)
|
|
v, err := strconv.Atoi(strings.Replace(l, "R", "", 1))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return NewProcess(int32(v))
|
|
}
|
|
return nil, fmt.Errorf("could not find parent line")
|
|
}
|
|
func (p *Process) Status() (string, error) {
|
|
r, err := callPs("state", p.Pid, false)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
return r[0][0], err
|
|
}
|
|
func (p *Process) Uids() ([]int32, error) {
|
|
k, err := p.getKProc()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// See: http://unix.superglobalmegacorp.com/Net2/newsrc/sys/ucred.h.html
|
|
userEffectiveUID := int32(k.Eproc.Ucred.UID)
|
|
|
|
return []int32{userEffectiveUID}, nil
|
|
}
|
|
func (p *Process) Gids() ([]int32, error) {
|
|
k, err := p.getKProc()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
gids := make([]int32, 0, 3)
|
|
gids = append(gids, int32(k.Eproc.Pcred.P_rgid), int32(k.Eproc.Ucred.Ngroups), int32(k.Eproc.Pcred.P_svgid))
|
|
|
|
return gids, nil
|
|
}
|
|
func (p *Process) Terminal() (string, error) {
|
|
return "", common.ErrNotImplementedError
|
|
/*
|
|
k, err := p.getKProc()
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
ttyNr := uint64(k.Eproc.Tdev)
|
|
termmap, err := getTerminalMap()
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
return termmap[ttyNr], nil
|
|
*/
|
|
}
|
|
func (p *Process) Nice() (int32, error) {
|
|
k, err := p.getKProc()
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
return int32(k.Proc.P_nice), nil
|
|
}
|
|
func (p *Process) IOnice() (int32, error) {
|
|
return 0, common.ErrNotImplementedError
|
|
}
|
|
func (p *Process) Rlimit() ([]RlimitStat, error) {
|
|
var rlimit []RlimitStat
|
|
return rlimit, common.ErrNotImplementedError
|
|
}
|
|
func (p *Process) IOCounters() (*IOCountersStat, error) {
|
|
return nil, common.ErrNotImplementedError
|
|
}
|
|
func (p *Process) NumCtxSwitches() (*NumCtxSwitchesStat, error) {
|
|
return nil, common.ErrNotImplementedError
|
|
}
|
|
func (p *Process) NumFDs() (int32, error) {
|
|
return 0, common.ErrNotImplementedError
|
|
}
|
|
func (p *Process) NumThreads() (int32, error) {
|
|
r, err := callPs("utime,stime", p.Pid, true)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
return int32(len(r)), nil
|
|
}
|
|
func (p *Process) Threads() (map[string]string, error) {
|
|
ret := make(map[string]string, 0)
|
|
return ret, common.ErrNotImplementedError
|
|
}
|
|
|
|
func convertCPUTimes(s string) (ret float64, err error) {
|
|
var t int
|
|
var _tmp string
|
|
if strings.Contains(s, ":") {
|
|
_t := strings.Split(s, ":")
|
|
hour, err := strconv.Atoi(_t[0])
|
|
if err != nil {
|
|
return ret, err
|
|
}
|
|
t += hour * 60 * 100
|
|
_tmp = _t[1]
|
|
} else {
|
|
_tmp = s
|
|
}
|
|
|
|
_t := strings.Split(_tmp, ".")
|
|
if err != nil {
|
|
return ret, err
|
|
}
|
|
h, err := strconv.Atoi(_t[0])
|
|
t += h * 100
|
|
h, err = strconv.Atoi(_t[1])
|
|
t += h
|
|
return float64(t) / ClockTicks, nil
|
|
}
|
|
func (p *Process) Times() (*cpu.TimesStat, error) {
|
|
r, err := callPs("utime,stime", p.Pid, false)
|
|
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
utime, err := convertCPUTimes(r[0][0])
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
stime, err := convertCPUTimes(r[0][1])
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
ret := &cpu.TimesStat{
|
|
CPU: "cpu",
|
|
User: utime,
|
|
System: stime,
|
|
}
|
|
return ret, nil
|
|
}
|
|
func (p *Process) CPUAffinity() ([]int32, error) {
|
|
return nil, common.ErrNotImplementedError
|
|
}
|
|
func (p *Process) MemoryInfo() (*MemoryInfoStat, error) {
|
|
r, err := callPs("rss,vsize,pagein", p.Pid, false)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
rss, err := strconv.Atoi(r[0][0])
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
vms, err := strconv.Atoi(r[0][1])
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
pagein, err := strconv.Atoi(r[0][2])
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
ret := &MemoryInfoStat{
|
|
RSS: uint64(rss) * 1024,
|
|
VMS: uint64(vms) * 1024,
|
|
Swap: uint64(pagein),
|
|
}
|
|
|
|
return ret, nil
|
|
}
|
|
func (p *Process) MemoryInfoEx() (*MemoryInfoExStat, error) {
|
|
return nil, common.ErrNotImplementedError
|
|
}
|
|
|
|
func (p *Process) Children() ([]*Process, error) {
|
|
pids, err := common.CallPgrep(invoke, p.Pid)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
ret := make([]*Process, 0, len(pids))
|
|
for _, pid := range pids {
|
|
np, err := NewProcess(pid)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
ret = append(ret, np)
|
|
}
|
|
return ret, nil
|
|
}
|
|
|
|
func (p *Process) OpenFiles() ([]OpenFilesStat, error) {
|
|
return nil, common.ErrNotImplementedError
|
|
}
|
|
|
|
func (p *Process) Connections() ([]net.ConnectionStat, error) {
|
|
return net.ConnectionsPid("all", p.Pid)
|
|
}
|
|
|
|
func (p *Process) NetIOCounters(pernic bool) ([]net.IOCountersStat, error) {
|
|
return nil, common.ErrNotImplementedError
|
|
}
|
|
|
|
func (p *Process) IsRunning() (bool, error) {
|
|
return true, common.ErrNotImplementedError
|
|
}
|
|
func (p *Process) MemoryMaps(grouped bool) (*[]MemoryMapsStat, error) {
|
|
var ret []MemoryMapsStat
|
|
return &ret, common.ErrNotImplementedError
|
|
}
|
|
|
|
func processes() ([]Process, error) {
|
|
results := make([]Process, 0, 50)
|
|
|
|
mib := []int32{CTLKern, KernProc, KernProcAll, 0}
|
|
buf, length, err := common.CallSyscall(mib)
|
|
if err != nil {
|
|
return results, err
|
|
}
|
|
|
|
// get kinfo_proc size
|
|
k := KinfoProc{}
|
|
procinfoLen := int(unsafe.Sizeof(k))
|
|
count := int(length / uint64(procinfoLen))
|
|
/*
|
|
fmt.Println(length, procinfoLen, count)
|
|
b := buf[0*procinfoLen : 0*procinfoLen+procinfoLen]
|
|
fmt.Println(b)
|
|
kk, err := parseKinfoProc(b)
|
|
fmt.Printf("%#v", kk)
|
|
*/
|
|
|
|
// parse buf to procs
|
|
for i := 0; i < count; i++ {
|
|
b := buf[i*procinfoLen : i*procinfoLen+procinfoLen]
|
|
k, err := parseKinfoProc(b)
|
|
if err != nil {
|
|
continue
|
|
}
|
|
p, err := NewProcess(int32(k.Proc.P_pid))
|
|
if err != nil {
|
|
continue
|
|
}
|
|
results = append(results, *p)
|
|
}
|
|
|
|
return results, nil
|
|
}
|
|
|
|
func parseKinfoProc(buf []byte) (KinfoProc, error) {
|
|
var k KinfoProc
|
|
br := bytes.NewReader(buf)
|
|
|
|
err := common.Read(br, binary.LittleEndian, &k)
|
|
if err != nil {
|
|
return k, err
|
|
}
|
|
|
|
return k, nil
|
|
}
|
|
|
|
// Returns a proc as defined here:
|
|
// http://unix.superglobalmegacorp.com/Net2/newsrc/sys/kinfo_proc.h.html
|
|
func (p *Process) getKProc() (*KinfoProc, error) {
|
|
mib := []int32{CTLKern, KernProc, KernProcPID, p.Pid}
|
|
procK := KinfoProc{}
|
|
length := uint64(unsafe.Sizeof(procK))
|
|
buf := make([]byte, length)
|
|
_, _, syserr := syscall.Syscall6(
|
|
syscall.SYS___SYSCTL,
|
|
uintptr(unsafe.Pointer(&mib[0])),
|
|
uintptr(len(mib)),
|
|
uintptr(unsafe.Pointer(&buf[0])),
|
|
uintptr(unsafe.Pointer(&length)),
|
|
0,
|
|
0)
|
|
if syserr != 0 {
|
|
return nil, syserr
|
|
}
|
|
k, err := parseKinfoProc(buf)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &k, nil
|
|
}
|
|
|
|
func NewProcess(pid int32) (*Process, error) {
|
|
p := &Process{Pid: pid}
|
|
|
|
return p, nil
|
|
}
|
|
|
|
// call ps command.
|
|
// Return value deletes Header line(you must not input wrong arg).
|
|
// And splited by Space. Caller have responsibility to manage.
|
|
// If passed arg pid is 0, get information from all process.
|
|
func callPs(arg string, pid int32, threadOption bool) ([][]string, error) {
|
|
bin, err := exec.LookPath("ps")
|
|
if err != nil {
|
|
return [][]string{}, err
|
|
}
|
|
|
|
var cmd []string
|
|
if pid == 0 { // will get from all processes.
|
|
cmd = []string{"-ax", "-o", arg}
|
|
} else if threadOption {
|
|
cmd = []string{"-x", "-o", arg, "-M", "-p", strconv.Itoa(int(pid))}
|
|
} else {
|
|
cmd = []string{"-x", "-o", arg, "-p", strconv.Itoa(int(pid))}
|
|
}
|
|
out, err := invoke.Command(bin, cmd...)
|
|
if err != nil {
|
|
return [][]string{}, err
|
|
}
|
|
lines := strings.Split(string(out), "\n")
|
|
|
|
var ret [][]string
|
|
for _, l := range lines[1:] {
|
|
var lr []string
|
|
for _, r := range strings.Split(l, " ") {
|
|
if r == "" {
|
|
continue
|
|
}
|
|
lr = append(lr, strings.TrimSpace(r))
|
|
}
|
|
if len(lr) != 0 {
|
|
ret = append(ret, lr)
|
|
}
|
|
}
|
|
|
|
return ret, nil
|
|
}
|