/
process_darwin.go
325 lines (275 loc) · 7.27 KB
/
process_darwin.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
//go:build darwin
// +build darwin
package process
import (
"context"
"fmt"
"path/filepath"
"strconv"
"strings"
"github.com/tklauser/go-sysconf"
"golang.org/x/sys/unix"
"github.com/shirou/gopsutil/v3/internal/common"
"github.com/shirou/gopsutil/v3/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
)
var clockTicks = 100 // default value
func init() {
clkTck, err := sysconf.Sysconf(sysconf.SC_CLK_TCK)
// ignore errors
if err == nil {
clockTicks = int(clkTck)
}
}
type _Ctype_struct___0 struct {
Pad uint64
}
func pidsWithContext(ctx context.Context) ([]int32, error) {
var ret []int32
kprocs, err := unix.SysctlKinfoProcSlice("kern.proc.all")
if err != nil {
return ret, err
}
for _, proc := range kprocs {
ret = append(ret, int32(proc.Proc.P_pid))
}
return ret, nil
}
func (p *Process) PpidWithContext(ctx context.Context) (int32, error) {
k, err := p.getKProc()
if err != nil {
return 0, err
}
return k.Eproc.Ppid, nil
}
func (p *Process) NameWithContext(ctx context.Context) (string, error) {
k, err := p.getKProc()
if err != nil {
return "", err
}
name := common.ByteToString(k.Proc.P_comm[:])
if len(name) >= 15 {
cmdName, err := p.cmdNameWithContext(ctx)
if err != nil {
return "", err
}
if len(cmdName) > 0 {
extendedName := filepath.Base(cmdName)
if strings.HasPrefix(extendedName, p.name) {
name = extendedName
}
}
}
return name, nil
}
func (p *Process) createTimeWithContext(ctx context.Context) (int64, error) {
k, err := p.getKProc()
if err != nil {
return 0, err
}
return k.Proc.P_starttime.Sec*1000 + int64(k.Proc.P_starttime.Usec)/1000, nil
}
func (p *Process) StatusWithContext(ctx context.Context) ([]string, error) {
r, err := callPsWithContext(ctx, "state", p.Pid, false, false)
if err != nil {
return []string{""}, err
}
status := convertStatusChar(r[0][0][0:1])
return []string{status}, err
}
func (p *Process) ForegroundWithContext(ctx context.Context) (bool, error) {
// see https://github.com/shirou/gopsutil/issues/596#issuecomment-432707831 for implementation details
pid := p.Pid
out, err := invoke.CommandWithContext(ctx, "ps", "-o", "stat=", "-p", strconv.Itoa(int(pid)))
if err != nil {
return false, err
}
return strings.IndexByte(string(out), '+') != -1, nil
}
func (p *Process) UidsWithContext(ctx context.Context) ([]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) GidsWithContext(ctx context.Context) ([]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.Pcred.P_rgid), int32(k.Eproc.Pcred.P_svgid))
return gids, nil
}
func (p *Process) GroupsWithContext(ctx context.Context) ([]int32, error) {
return nil, common.ErrNotImplementedError
// k, err := p.getKProc()
// if err != nil {
// return nil, err
// }
// groups := make([]int32, k.Eproc.Ucred.Ngroups)
// for i := int16(0); i < k.Eproc.Ucred.Ngroups; i++ {
// groups[i] = int32(k.Eproc.Ucred.Groups[i])
// }
// return groups, nil
}
func (p *Process) TerminalWithContext(ctx context.Context) (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) NiceWithContext(ctx context.Context) (int32, error) {
k, err := p.getKProc()
if err != nil {
return 0, err
}
return int32(k.Proc.P_nice), nil
}
func (p *Process) IOCountersWithContext(ctx context.Context) (*IOCountersStat, error) {
return nil, common.ErrNotImplementedError
}
func convertCPUTimes(s string) (ret float64, err error) {
var t int
var _tmp string
if strings.Contains(s, ":") {
_t := strings.Split(s, ":")
switch len(_t) {
case 3:
hour, err := strconv.Atoi(_t[0])
if err != nil {
return ret, err
}
t += hour * 60 * 60 * clockTicks
mins, err := strconv.Atoi(_t[1])
if err != nil {
return ret, err
}
t += mins * 60 * clockTicks
_tmp = _t[2]
case 2:
mins, err := strconv.Atoi(_t[0])
if err != nil {
return ret, err
}
t += mins * 60 * clockTicks
_tmp = _t[1]
case 1, 0:
_tmp = s
default:
return ret, fmt.Errorf("wrong cpu time string")
}
} else {
_tmp = s
}
_t := strings.Split(_tmp, ".")
if err != nil {
return ret, err
}
h, err := strconv.Atoi(_t[0])
t += h * clockTicks
h, err = strconv.Atoi(_t[1])
t += h
return float64(t) / float64(clockTicks), nil
}
func (p *Process) ChildrenWithContext(ctx context.Context) ([]*Process, error) {
pids, err := common.CallPgrepWithContext(ctx, invoke, p.Pid)
if err != nil {
return nil, err
}
ret := make([]*Process, 0, len(pids))
for _, pid := range pids {
np, err := NewProcessWithContext(ctx, pid)
if err != nil {
return nil, err
}
ret = append(ret, np)
}
return ret, nil
}
func (p *Process) ConnectionsWithContext(ctx context.Context) ([]net.ConnectionStat, error) {
return net.ConnectionsPidWithContext(ctx, "all", p.Pid)
}
func (p *Process) ConnectionsMaxWithContext(ctx context.Context, max int) ([]net.ConnectionStat, error) {
return net.ConnectionsPidMaxWithContext(ctx, "all", p.Pid, max)
}
func ProcessesWithContext(ctx context.Context) ([]*Process, error) {
out := []*Process{}
pids, err := PidsWithContext(ctx)
if err != nil {
return out, err
}
for _, pid := range pids {
p, err := NewProcessWithContext(ctx, pid)
if err != nil {
continue
}
out = append(out, p)
}
return out, nil
}
// Returns a proc as defined here:
// http://unix.superglobalmegacorp.com/Net2/newsrc/sys/kinfo_proc.h.html
func (p *Process) getKProc() (*unix.KinfoProc, error) {
return unix.SysctlKinfoProc("kern.proc.pid", int(p.Pid))
}
// 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 callPsWithContext(ctx context.Context, arg string, pid int32, threadOption bool, nameOption bool) ([][]string, error) {
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))}
}
if nameOption {
cmd = append(cmd, "-c")
}
out, err := invoke.CommandWithContext(ctx, "ps", cmd...)
if err != nil {
return [][]string{}, err
}
lines := strings.Split(string(out), "\n")
var ret [][]string
for _, l := range lines[1:] {
var lr []string
if nameOption {
lr = append(lr, l)
} else {
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
}