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
|
package prep
import (
"fmt"
"os"
"time"
"go.wit.com/lib/cobol"
"go.wit.com/log"
)
// since we know when the command starts (duh, this parses os.Args)
// this is a convienent way to provide a standard exit format back
// to the shell that also has built in timing!
// also, it supports a custom Exit() back to your application
func (pb *Auto) GoodExit(msg string) {
go ExitWatchdog()
if myAuto.appExit != nil {
myAuto.appExit()
}
dur := time.Since(pb.Ctime.AsTime())
log.Infof("%s: %s (%s)\n", pb.Argname, msg, cobol.FormatDuration(dur))
os.Exit(0)
}
func (pb *Auto) BadExit(msg string, err error) {
go ExitWatchdog()
if myAuto.appExit != nil {
myAuto.appExit()
}
// print out errors. this handles wrapped errors which is a useful
if err != nil {
if u, ok := err.(interface{ Unwrap() []error }); ok {
// If it does, call the method to get the slice of errors.
allerr := u.Unwrap()
for _, e := range allerr {
log.Info("Error:", e)
}
} else {
// If it's not a joined error, you can fall back to the single-unwrap loop.
log.Info("Error:", err)
}
}
dur := time.Since(pb.Ctime.AsTime())
log.Infof("%s error: %s (%s)\n", pb.Argname, msg, cobol.FormatDuration(dur))
os.Exit(-1)
}
// this code doesn't need to be this complicated. I put it here as reference code for myself so I could remember where it is.
func ExitWatchdog() {
dog := time.NewTicker(5 * time.Second)
defer dog.Stop()
dogchan := make(chan bool)
/*
// this example would exit/destroy the ticker in 10 seconds
go func() {
time.Sleep(10 * time.Second)
done <- true
}()
*/
for {
select {
case <-dogchan:
fmt.Println("Done!")
return
case t := <-dog.C:
_ = t
log.Info("argv.Exit() watchdog: stalled in", myAuto.ARGNAME+".Exit()")
// h.Scan()
}
}
}
|
