File: generic_error.go

package info (click to toggle)
runc 0.1.1%2Bdfsg1-2%2Bdeb9u1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 1,684 kB
  • sloc: ansic: 698; sh: 156; makefile: 71
file content (87 lines) | stat: -rw-r--r-- 1,518 bytes parent folder | download | duplicates (2)
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
package libcontainer

import (
	"io"
	"text/template"
	"time"

	"github.com/opencontainers/runc/libcontainer/stacktrace"
)

type syncType uint8

const (
	procReady syncType = iota
	procError
	procRun
	procHooks
	procResume
)

type syncT struct {
	Type syncType `json:"type"`
}

var errorTemplate = template.Must(template.New("error").Parse(`Timestamp: {{.Timestamp}}
Code: {{.ECode}}
{{if .Message }}
Message: {{.Message}}
{{end}}
Frames:{{range $i, $frame := .Stack.Frames}}
---
{{$i}}: {{$frame.Function}}
Package: {{$frame.Package}}
File: {{$frame.File}}@{{$frame.Line}}{{end}}
`))

func newGenericError(err error, c ErrorCode) Error {
	if le, ok := err.(Error); ok {
		return le
	}
	gerr := &genericError{
		Timestamp: time.Now(),
		Err:       err,
		ECode:     c,
		Stack:     stacktrace.Capture(1),
	}
	if err != nil {
		gerr.Message = err.Error()
	}
	return gerr
}

func newSystemError(err error) Error {
	if le, ok := err.(Error); ok {
		return le
	}
	gerr := &genericError{
		Timestamp: time.Now(),
		Err:       err,
		ECode:     SystemError,
		Stack:     stacktrace.Capture(1),
	}
	if err != nil {
		gerr.Message = err.Error()
	}
	return gerr
}

type genericError struct {
	Timestamp time.Time
	ECode     ErrorCode
	Err       error `json:"-"`
	Message   string
	Stack     stacktrace.Stacktrace
}

func (e *genericError) Error() string {
	return e.Message
}

func (e *genericError) Code() ErrorCode {
	return e.ECode
}

func (e *genericError) Detail(w io.Writer) error {
	return errorTemplate.Execute(w, e)
}