add map for logger

main.go

@@ -14,6 +14,8 @@ const (
 	Trace
 )
 
+var loggerMap map[string]Logger
+
 type LogConfig struct {
 	Name  string
 	Level int
@@ -49,5 +51,12 @@ func (l *Logger) Trace(msg string) {
 	l.log(Trace, msg)
 }
 func GetLogger(logConfig LogConfig) Logger {
-	return Logger{logConfig}
+	if logger, ok := loggerMap[logConfig.Name]; ok {
+		return logger
+	} else {
+		logger = Logger{logConfig}
+		loggerMap[logConfig.Name] = logger
+		return logger
+	}
+
 }