112 lines
2 KiB
Go
112 lines
2 KiB
Go
|
// Copyright 2019 The Gitea Authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a MIT-style
|
||
|
|
// license that can be found in the LICENSE file.
|
||
|
|
|
||
|
|
package log
|
||
|
|
|
||
|
|
import (
|
||
|
|
"bytes"
|
||
|
|
"encoding/json"
|
||
|
|
"fmt"
|
||
|
|
"os"
|
||
|
|
"strings"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Level is the level of the logger
|
||
|
|
type Level int
|
||
|
|
|
||
|
|
const (
|
||
|
|
// TRACE represents the lowest log level
|
||
|
|
TRACE Level = iota
|
||
|
|
// DEBUG is for debug logging
|
||
|
|
DEBUG
|
||
|
|
// INFO is for information
|
||
|
|
INFO
|
||
|
|
// WARN is for warning information
|
||
|
|
WARN
|
||
|
|
// ERROR is for error reporting
|
||
|
|
ERROR
|
||
|
|
// CRITICAL is for critical errors
|
||
|
|
CRITICAL
|
||
|
|
// FATAL is for fatal errors
|
||
|
|
FATAL
|
||
|
|
// NONE is for no logging
|
||
|
|
NONE
|
||
|
|
)
|
||
|
|
|
||
|
|
var toString = map[Level]string{
|
||
|
|
TRACE: "trace",
|
||
|
|
DEBUG: "debug",
|
||
|
|
INFO: "info",
|
||
|
|
WARN: "warn",
|
||
|
|
ERROR: "error",
|
||
|
|
CRITICAL: "critical",
|
||
|
|
FATAL: "fatal",
|
||
|
|
NONE: "none",
|
||
|
|
}
|
||
|
|
|
||
|
|
var toLevel = map[string]Level{
|
||
|
|
"trace": TRACE,
|
||
|
|
"debug": DEBUG,
|
||
|
|
"info": INFO,
|
||
|
|
"warn": WARN,
|
||
|
|
"error": ERROR,
|
||
|
|
"critical": CRITICAL,
|
||
|
|
"fatal": FATAL,
|
||
|
|
"none": NONE,
|
||
|
|
}
|
||
|
|
|
||
|
|
// Levels returns all the possible logging levels
|
||
|
|
func Levels() []string {
|
||
|
|
keys := make([]string, 0)
|
||
|
|
for key := range toLevel {
|
||
|
|
keys = append(keys, key)
|
||
|
|
}
|
||
|
|
return keys
|
||
|
|
}
|
||
|
|
|
||
|
|
func (l Level) String() string {
|
||
|
|
s, ok := toString[l]
|
||
|
|
if ok {
|
||
|
|
return s
|
||
|
|
}
|
||
|
|
return "info"
|
||
|
|
}
|
||
|
|
|
||
|
|
// MarshalJSON takes a Level and turns it into text
|
||
|
|
func (l Level) MarshalJSON() ([]byte, error) {
|
||
|
|
buffer := bytes.NewBufferString(`"`)
|
||
|
|
buffer.WriteString(toString[l])
|
||
|
|
buffer.WriteString(`"`)
|
||
|
|
return buffer.Bytes(), nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// FromString takes a level string and returns a Level
|
||
|
|
func FromString(level string) Level {
|
||
|
|
temp, ok := toLevel[strings.ToLower(level)]
|
||
|
|
if !ok {
|
||
|
|
return INFO
|
||
|
|
}
|
||
|
|
return temp
|
||
|
|
}
|
||
|
|
|
||
|
|
// UnmarshalJSON takes text and turns it into a Level
|
||
|
|
func (l *Level) UnmarshalJSON(b []byte) error {
|
||
|
|
var tmp interface{}
|
||
|
|
err := json.Unmarshal(b, &tmp)
|
||
|
|
if err != nil {
|
||
|
|
fmt.Fprintf(os.Stderr, "Err: %v", err)
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
|
||
|
|
switch v := tmp.(type) {
|
||
|
|
case string:
|
||
|
|
*l = FromString(string(v))
|
||
|
|
case int:
|
||
|
|
*l = FromString(Level(v).String())
|
||
|
|
default:
|
||
|
|
*l = INFO
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
}
|