forked from uber/ringpop-go
-
Notifications
You must be signed in to change notification settings - Fork 0
/
level.go
92 lines (84 loc) · 2.32 KB
/
level.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
// Copyright (c) 2015 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package logging
import (
"fmt"
"strconv"
)
// Level is the severity level of a log message.
type Level uint8
// Additional levels can be created from integers between Debug and maxLevel.
const (
// Panic log level
Panic Level = iota
// Fatal log level
Fatal
// Error log level
Error
// Warn log level
Warn
// Info log level
Info
// Debug log level
Debug
// maxLevel is the maximum valid log level.
// This is used internally for boundary check.
maxLevel = int(255)
)
// String converts a log level to its string representation.
func (lvl Level) String() string {
switch lvl {
case Panic:
return "panic"
case Fatal:
return "fatal"
case Error:
return "error"
case Warn:
return "warn"
case Info:
return "info"
case Debug:
return "debug"
}
return strconv.Itoa(int(lvl))
}
// Parse converts a string to a log level.
func Parse(lvl string) (Level, error) {
switch lvl {
case "fatal":
return Fatal, nil
case "panic":
return Panic, nil
case "error":
return Error, nil
case "warn":
return Warn, nil
case "info":
return Info, nil
case "debug":
return Debug, nil
}
level, err := strconv.Atoi(lvl)
if level > maxLevel {
err = fmt.Errorf("invalid level value: %s", lvl)
}
return Level(level), err
}