/
stop.go
79 lines (67 loc) · 1.99 KB
/
stop.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
// This file is part of autosr.
//
// autosr is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// autosr is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with autosr. If not, see <https://www.gnu.org/licenses/>.
package cmd
import (
"errors"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"strconv"
"github.com/bobbytrapz/autosr/options"
"github.com/spf13/cobra"
)
var errNoChildProcesses = "waitid: no child processes"
var errNoChildProcessesOSX = "wait: no child processes"
var errNoChildProcessesWindows10 = "OpenProcess: The parameter is incorrect."
func readPidAndKill() error {
pidPath := filepath.Join(options.ConfigPath, pidFileName)
data, err := ioutil.ReadFile(pidPath)
if os.IsNotExist(err) {
return errors.New("autosr is not running. (pid file not found)")
}
if err != nil {
return err
}
defer os.Remove(pidPath)
pid, err := strconv.Atoi(string(data))
if err != nil {
return err
}
proc, err := os.FindProcess(pid)
if err != nil {
return err
}
fmt.Printf("autosr (%d)\n", pid)
proc.Kill()
_, err = proc.Wait()
if err == nil || err.Error() == errNoChildProcesses || err.Error() == errNoChildProcessesOSX || err.Error() == errNoChildProcessesWindows10 {
return nil
}
return err
}
func init() {
rootCmd.AddCommand(stopCmd)
}
var stopCmd = &cobra.Command{
Use: "stop",
Short: "Kill background autosr process",
Long: `Reads the pid of the background autosr from pidfile in config directory and kills the process`,
Run: func(cmd *cobra.Command, args []string) {
if err := readPidAndKill(); err != nil {
fmt.Println(err)
}
},
}