处理日志文件句柄泄漏 Close #309 (#349)

* 处理日志文件句柄泄漏 Close #309

* add notes

tars/logger.go

@@ -37,6 +37,10 @@ func Trace(traceKey, annotation, client, server, funcName string, ret int, data,
 // GetLogger Get a logger
 func GetLogger(name string) *rogger.Logger {
 	logPath, cfg, lg := getLogger(name)
+	// if the default writer is not ConsoleWriter, the writer has already been configured
+	if !lg.IsConsoleWriter() {
+		return lg
+	}
 	if cfg == nil {
 		return lg
 	}
@@ -62,13 +66,21 @@ func getLogger(name string) (logPath string, cfg *serverConfig, lg *rogger.Logge
 // GetDayLogger Get a logger roll by day
 func GetDayLogger(name string, numDay int) *rogger.Logger {
 	logPath, _, lg := getLogger(name)
+	// if the default writer is not ConsoleWriter, the writer has already been configured
+	if !lg.IsConsoleWriter() {
+		return lg
+	}
 	lg.SetDayRoller(logPath, numDay)
 	return lg
 }
 
 // GetHourLogger Get a logger roll by hour
 func GetHourLogger(name string, numHour int) *rogger.Logger {
 	logPath, _, lg := getLogger(name)
+	// if the default writer is not ConsoleWriter, the writer has already been configured
+	if !lg.IsConsoleWriter() {
+		return lg
+	}
 	lg.SetHourRoller(logPath, numHour)
 	return lg
 }