327 lines
7.3 KiB
Go
327 lines
7.3 KiB
Go
//go:build darwin
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// +build darwin
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package process
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import (
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"context"
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"fmt"
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"path/filepath"
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"strconv"
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"strings"
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"github.com/shirou/gopsutil/v3/internal/common"
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"github.com/shirou/gopsutil/v3/net"
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"github.com/tklauser/go-sysconf"
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"golang.org/x/sys/unix"
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)
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// copied from sys/sysctl.h
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const (
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CTLKern = 1 // "high kernel": proc, limits
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KernProc = 14 // struct: process entries
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KernProcPID = 1 // by process id
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KernProcProc = 8 // only return procs
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KernProcAll = 0 // everything
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KernProcPathname = 12 // path to executable
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)
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var clockTicks = 100 // default value
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func init() {
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clkTck, err := sysconf.Sysconf(sysconf.SC_CLK_TCK)
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// ignore errors
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if err == nil {
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clockTicks = int(clkTck)
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}
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}
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type _Ctype_struct___0 struct {
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Pad uint64
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}
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func pidsWithContext(ctx context.Context) ([]int32, error) {
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var ret []int32
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kprocs, err := unix.SysctlKinfoProcSlice("kern.proc.all")
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if err != nil {
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return ret, err
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}
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for _, proc := range kprocs {
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ret = append(ret, int32(proc.Proc.P_pid))
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}
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return ret, nil
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}
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func (p *Process) PpidWithContext(ctx context.Context) (int32, error) {
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k, err := p.getKProc()
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if err != nil {
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return 0, err
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}
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return k.Eproc.Ppid, nil
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}
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func (p *Process) NameWithContext(ctx context.Context) (string, error) {
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k, err := p.getKProc()
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if err != nil {
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return "", err
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}
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name := common.ByteToString(k.Proc.P_comm[:])
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if len(name) >= 15 {
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cmdName, err := p.cmdNameWithContext(ctx)
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if err != nil {
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return "", err
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}
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if len(cmdName) > 0 {
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extendedName := filepath.Base(cmdName)
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if strings.HasPrefix(extendedName, p.name) {
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name = extendedName
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} else {
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name = cmdName
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}
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}
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}
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return name, nil
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}
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func (p *Process) createTimeWithContext(ctx context.Context) (int64, error) {
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k, err := p.getKProc()
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if err != nil {
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return 0, err
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}
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return k.Proc.P_starttime.Sec*1000 + int64(k.Proc.P_starttime.Usec)/1000, nil
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}
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func (p *Process) StatusWithContext(ctx context.Context) ([]string, error) {
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r, err := callPsWithContext(ctx, "state", p.Pid, false, false)
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if err != nil {
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return []string{""}, err
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}
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status := convertStatusChar(r[0][0][0:1])
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return []string{status}, err
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}
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func (p *Process) ForegroundWithContext(ctx context.Context) (bool, error) {
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// see https://github.com/shirou/gopsutil/issues/596#issuecomment-432707831 for implementation details
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pid := p.Pid
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out, err := invoke.CommandWithContext(ctx, "ps", "-o", "stat=", "-p", strconv.Itoa(int(pid)))
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if err != nil {
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return false, err
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}
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return strings.IndexByte(string(out), '+') != -1, nil
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}
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func (p *Process) UidsWithContext(ctx context.Context) ([]int32, error) {
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k, err := p.getKProc()
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if err != nil {
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return nil, err
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}
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// See: http://unix.superglobalmegacorp.com/Net2/newsrc/sys/ucred.h.html
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userEffectiveUID := int32(k.Eproc.Ucred.Uid)
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return []int32{userEffectiveUID}, nil
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}
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func (p *Process) GidsWithContext(ctx context.Context) ([]int32, error) {
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k, err := p.getKProc()
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if err != nil {
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return nil, err
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}
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gids := make([]int32, 0, 3)
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gids = append(gids, int32(k.Eproc.Pcred.P_rgid), int32(k.Eproc.Pcred.P_rgid), int32(k.Eproc.Pcred.P_svgid))
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return gids, nil
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}
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func (p *Process) GroupsWithContext(ctx context.Context) ([]int32, error) {
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return nil, common.ErrNotImplementedError
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// k, err := p.getKProc()
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// if err != nil {
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// return nil, err
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// }
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// groups := make([]int32, k.Eproc.Ucred.Ngroups)
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// for i := int16(0); i < k.Eproc.Ucred.Ngroups; i++ {
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// groups[i] = int32(k.Eproc.Ucred.Groups[i])
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// }
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// return groups, nil
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}
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func (p *Process) TerminalWithContext(ctx context.Context) (string, error) {
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return "", common.ErrNotImplementedError
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/*
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k, err := p.getKProc()
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if err != nil {
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return "", err
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}
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ttyNr := uint64(k.Eproc.Tdev)
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termmap, err := getTerminalMap()
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if err != nil {
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return "", err
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}
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return termmap[ttyNr], nil
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*/
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}
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func (p *Process) NiceWithContext(ctx context.Context) (int32, error) {
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k, err := p.getKProc()
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if err != nil {
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return 0, err
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}
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return int32(k.Proc.P_nice), nil
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}
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func (p *Process) IOCountersWithContext(ctx context.Context) (*IOCountersStat, error) {
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return nil, common.ErrNotImplementedError
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}
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func convertCPUTimes(s string) (ret float64, err error) {
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var t int
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var _tmp string
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if strings.Contains(s, ":") {
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_t := strings.Split(s, ":")
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switch len(_t) {
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case 3:
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hour, err := strconv.Atoi(_t[0])
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if err != nil {
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return ret, err
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}
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t += hour * 60 * 60 * clockTicks
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mins, err := strconv.Atoi(_t[1])
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if err != nil {
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return ret, err
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}
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t += mins * 60 * clockTicks
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_tmp = _t[2]
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case 2:
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mins, err := strconv.Atoi(_t[0])
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if err != nil {
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return ret, err
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}
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t += mins * 60 * clockTicks
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_tmp = _t[1]
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case 1, 0:
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_tmp = s
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default:
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return ret, fmt.Errorf("wrong cpu time string")
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}
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} else {
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_tmp = s
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}
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_t := strings.Split(_tmp, ".")
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if err != nil {
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return ret, err
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}
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h, err := strconv.Atoi(_t[0])
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t += h * clockTicks
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h, err = strconv.Atoi(_t[1])
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t += h
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return float64(t) / float64(clockTicks), nil
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}
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func (p *Process) ChildrenWithContext(ctx context.Context) ([]*Process, error) {
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pids, err := common.CallPgrepWithContext(ctx, invoke, p.Pid)
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if err != nil {
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return nil, err
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}
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ret := make([]*Process, 0, len(pids))
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for _, pid := range pids {
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np, err := NewProcessWithContext(ctx, pid)
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if err != nil {
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return nil, err
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}
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ret = append(ret, np)
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}
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return ret, nil
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}
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func (p *Process) ConnectionsWithContext(ctx context.Context) ([]net.ConnectionStat, error) {
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return net.ConnectionsPidWithContext(ctx, "all", p.Pid)
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}
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func (p *Process) ConnectionsMaxWithContext(ctx context.Context, max int) ([]net.ConnectionStat, error) {
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return net.ConnectionsPidMaxWithContext(ctx, "all", p.Pid, max)
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}
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func ProcessesWithContext(ctx context.Context) ([]*Process, error) {
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out := []*Process{}
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pids, err := PidsWithContext(ctx)
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if err != nil {
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return out, err
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}
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for _, pid := range pids {
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p, err := NewProcessWithContext(ctx, pid)
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if err != nil {
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continue
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}
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out = append(out, p)
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}
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return out, nil
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}
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// Returns a proc as defined here:
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// http://unix.superglobalmegacorp.com/Net2/newsrc/sys/kinfo_proc.h.html
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func (p *Process) getKProc() (*unix.KinfoProc, error) {
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return unix.SysctlKinfoProc("kern.proc.pid", int(p.Pid))
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}
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// call ps command.
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// Return value deletes Header line(you must not input wrong arg).
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// And splited by Space. Caller have responsibility to manage.
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// If passed arg pid is 0, get information from all process.
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func callPsWithContext(ctx context.Context, arg string, pid int32, threadOption bool, nameOption bool) ([][]string, error) {
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var cmd []string
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if pid == 0 { // will get from all processes.
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cmd = []string{"-ax", "-o", arg}
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} else if threadOption {
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cmd = []string{"-x", "-o", arg, "-M", "-p", strconv.Itoa(int(pid))}
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} else {
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cmd = []string{"-x", "-o", arg, "-p", strconv.Itoa(int(pid))}
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}
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if nameOption {
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cmd = append(cmd, "-c")
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}
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out, err := invoke.CommandWithContext(ctx, "ps", cmd...)
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if err != nil {
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return [][]string{}, err
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}
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lines := strings.Split(string(out), "\n")
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var ret [][]string
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for _, l := range lines[1:] {
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var lr []string
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if nameOption {
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lr = append(lr, l)
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} else {
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for _, r := range strings.Split(l, " ") {
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if r == "" {
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continue
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}
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lr = append(lr, strings.TrimSpace(r))
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}
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}
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if len(lr) != 0 {
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ret = append(ret, lr)
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}
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}
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return ret, nil
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}
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