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
|
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
package mlog
import (
"bytes"
"encoding/json"
"fmt"
"os"
)
// defaultLog manually encodes the log to STDERR, providing a basic, default logging implementation
// before mlog is fully configured.
func defaultLog(level Level, msg string, fields ...Field) {
mFields := make(map[string]string)
buf := &bytes.Buffer{}
for _, fld := range fields {
buf.Reset()
fld.ValueString(buf, shouldQuote)
mFields[fld.Key] = buf.String()
}
log := struct {
Level string `json:"level"`
Message string `json:"msg"`
Fields map[string]string `json:"fields,omitempty"`
}{
level.Name,
msg,
mFields,
}
if b, err := json.Marshal(log); err != nil {
fmt.Fprintf(os.Stderr, `{"level":"error","msg":"failed to encode log message"}%s`, "\n")
} else {
fmt.Fprintf(os.Stderr, "%s\n", b)
}
}
func defaultIsLevelEnabled(level Level) bool {
return true
}
func defaultCustomMultiLog(lvl []Level, msg string, fields ...Field) {
for _, level := range lvl {
defaultLog(level, msg, fields...)
}
}
// shouldQuote returns true if val contains any characters that require quotations.
func shouldQuote(val string) bool {
for _, c := range val {
if !((c >= '0' && c <= '9') ||
(c >= 'a' && c <= 'z') ||
(c >= 'A' && c <= 'Z') ||
c == '-' || c == '.' || c == '_' || c == '/' || c == '@' || c == '^' || c == '+') {
return true
}
}
return false
}
|
