66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
|
package logger
|
||
|
|
|
||
|
|
import (
|
||
|
|
"log"
|
||
|
|
"os"
|
||
|
|
)
|
||
|
|
|
||
|
|
type LoggerInterface interface {
|
||
|
|
Tracef(fmt string, args ...interface{})
|
||
|
|
Infof(fmt string, args ...interface{})
|
||
|
|
Warnf(fmt string, args ...interface{})
|
||
|
|
Errorf(fmt string, args ...interface{})
|
||
|
|
}
|
||
|
|
|
||
|
|
// a default implementation of the LoggerInterface, simply using the 'log' library
|
||
|
|
type LeveledLogger struct {
|
||
|
|
level int
|
||
|
|
}
|
||
|
|
|
||
|
|
var std = LeveledLogger{}
|
||
|
|
|
||
|
|
var levels = map[string]int{
|
||
|
|
"ERROR": 400,
|
||
|
|
"WARN" : 300,
|
||
|
|
"INFO" : 200,
|
||
|
|
"TRACE" : 100,
|
||
|
|
}
|
||
|
|
|
||
|
|
func (l *LeveledLogger) levelPrint(minimumLevel int, fmt string, args ...interface{}) {
|
||
|
|
if l.level == 0 {
|
||
|
|
l.level = levels[os.Getenv("LOGLVL")]
|
||
|
|
if l.level == 0 { l.level = levels["WARN"] }
|
||
|
|
}
|
||
|
|
if minimumLevel >= l.level {
|
||
|
|
log.Printf(fmt+"\n", args...)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (l *LeveledLogger) Tracef(fmt string, args ...interface{}) {
|
||
|
|
l.levelPrint(levels["TRACE"], fmt, args...)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (l *LeveledLogger) Infof(fmt string, args ...interface{}) {
|
||
|
|
l.levelPrint(levels["INFO"], fmt, args...)
|
||
|
|
}
|
||
|
|
func (l *LeveledLogger) Warnf(fmt string, args ...interface{}) {
|
||
|
|
l.levelPrint(levels["WARN"], fmt, args...)
|
||
|
|
}
|
||
|
|
func (l *LeveledLogger) Errorf(fmt string, args ...interface{}) {
|
||
|
|
l.levelPrint(levels["ERROR"], fmt, args...)
|
||
|
|
}
|
||
|
|
|
||
|
|
func Tracef(fmt string, args ...interface{}) {
|
||
|
|
std.levelPrint(levels["TRACE"], fmt, args...)
|
||
|
|
}
|
||
|
|
|
||
|
|
func Infof(fmt string, args ...interface{}) {
|
||
|
|
std.levelPrint(levels["INFO"], fmt, args...)
|
||
|
|
}
|
||
|
|
func Warnf(fmt string, args ...interface{}) {
|
||
|
|
std.levelPrint(levels["WARN"], fmt, args...)
|
||
|
|
}
|
||
|
|
func Errorf(fmt string, args ...interface{}) {
|
||
|
|
std.levelPrint(levels["ERROR"], fmt, args...)
|
||
|
|
}
|