增加close file code

.vscode/launch.json

@@ -9,7 +9,7 @@
       "type": "go",
       "request": "launch",
       "mode": "auto",
-      "program": "${fileDirname}",
+      "program": "${workspaceFolder}/test",
       "cwd": "${workspaceFolder}",
     }
   ]

console.go

@@ -35,9 +35,9 @@ func (c *ConsoleAppender) Append(logEvent LogEvent) {
 		fmt.Printf(TraceTemplate, logMsg)
 	}
 }
-func makeConsoleAppender(appenderConfig LogAppenderConfig) LoggerAppender {
+func makeConsoleAppender(appenderConfig LogAppenderConfig) *LoggerAppender {
 	var appender LoggerAppender = &ConsoleAppender{}
-	return appender
+	return &appender
 }
 func init() {
 	RegistAppender("console", makeConsoleAppender)

file.go

@@ -7,6 +7,7 @@ import (
 
 type FileAppender struct {
 	filePath string
+	lchan    chan LogEvent
 	file     *os.File
 }
 
@@ -14,7 +15,8 @@ func (f *FileAppender) GetName() string {
 	return "FileAppender:" + f.filePath
 }
 
-func (f *FileAppender) Append(logEvent LogEvent) {
+func (f *FileAppender) start() {
+	f.lchan = make(chan LogEvent, 10)
 	if f.file == nil || int(f.file.Fd()) == -1 {
 		dirName := filepath.Dir(f.filePath)
 		_, err := os.Stat(dirName)
@@ -24,12 +26,21 @@ func (f *FileAppender) Append(logEvent LogEvent) {
 		f.file, _ = os.OpenFile(f.filePath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
 	}
 
+	go func() {
+		defer f.file.Close()
+		for {
+			logEvent := <-f.lchan
 			logMsg := format(logEvent)
 			f.file.WriteString(logMsg)
+		}
+	}()
+}
+func (f *FileAppender) Append(logEvent LogEvent) {
 
+	f.lchan <- logEvent
 }
 
-func makeFileAppender(appenderConfig LogAppenderConfig) LoggerAppender {
+func makeFileAppender(appenderConfig LogAppenderConfig) *LoggerAppender {
 	var logfile interface{}
 	var ok bool
 	logfile, ok = appenderConfig.Options["file"]
@@ -39,7 +50,10 @@ func makeFileAppender(appenderConfig LogAppenderConfig) LoggerAppender {
 	var ret LoggerAppender = &FileAppender{
 		filePath: logfile.(string),
 	}
-	return ret
+
+	ret.(*FileAppender).start()
+
+	return &ret
 }
 
 func init() {

main.go

@@ -22,9 +22,9 @@ var logLevelMap map[string]int = map[string]int{
 	"debug": Debug,
 	"trace": Trace,
 }
-var loggerMap map[string]Logger = map[string]Logger{}
-var appenderFactoryMap map[string]func(LogAppenderConfig) LoggerAppender = map[string]func(LogAppenderConfig) LoggerAppender{}
-var appenders map[string]LoggerAppender = map[string]LoggerAppender{}
+var loggerMap map[string]*Logger = map[string]*Logger{}
+var appenderFactoryMap map[string]func(LogAppenderConfig) *LoggerAppender = map[string]func(LogAppenderConfig) *LoggerAppender{}
+var appenders map[string]*LoggerAppender = map[string]*LoggerAppender{}
 var loggerConfig LoggersConfig
 
 type LogAppenderConfig struct {
@@ -43,7 +43,7 @@ type LoggersConfig struct {
 type Logger struct {
 	category  string
 	level     int
-	appenders []LoggerAppender
+	appenders []*LoggerAppender
 }
 
 type LogEvent struct {
@@ -62,7 +62,7 @@ var consoleAppender LoggerAppender = &ConsoleAppender{}
 var defaultLogger = &Logger{
 
 	level:     Error,
-	appenders: []LoggerAppender{consoleAppender},
+	appenders: []*LoggerAppender{&consoleAppender},
 }
 
 func (l *Logger) log(Level int, msg []interface{}) {
@@ -71,7 +71,7 @@ func (l *Logger) log(Level int, msg []interface{}) {
 		now := time.Now()
 		logEvent := LogEvent{l.category, now, Level, msg}
 		for _, appender := range l.appenders {
-			appender.Append(logEvent)
+			(*appender).Append(logEvent)
 		}
 		// l.Appender.Append(logEvent)
 		// fmt.Println(now.Format("2006-01-02 15:04:05"), " ", l.Name, ": ", msg)
@@ -97,7 +97,7 @@ func (l *Logger) Debug(msg ...interface{}) {
 func (l *Logger) Trace(msg ...interface{}) {
 	l.log(Trace, msg)
 }
-func GetLogger(name string) Logger {
+func GetLogger(name string) *Logger {
 	if logger, ok := loggerMap[name]; ok {
 		return logger
 	} else {
@@ -106,29 +106,30 @@ func GetLogger(name string) Logger {
 			return makeLogger(name, logConfig)
 		}
 		if name == "default" {
-			return *defaultLogger
+			return defaultLogger
 		}
-		ret := GetLogger("default")
-		ret.category = name
-		return ret
+		l := *GetLogger("default")
+		l.category = name
+		loggerMap[name] = &l
+		return &l
 	}
 }
 
-func makeLogger(name string, config LogConfig) Logger {
+func makeLogger(name string, config LogConfig) *Logger {
 	logger := &Logger{category: name}
 	levelstr := strings.ToLower(config.Level)
 	logger.level = logLevelMap[levelstr]
 
 	if config.Appenders == nil || len(config.Appenders) == 0 {
-		logger.appenders = []LoggerAppender{consoleAppender}
+		logger.appenders = []*LoggerAppender{&consoleAppender}
 	} else {
-		logger.appenders = make([]LoggerAppender, len(config.Appenders))
+		logger.appenders = make([]*LoggerAppender, len(config.Appenders))
 		for i, appenderName := range config.Appenders {
 			logger.appenders[i] = appenders[appenderName]
 		}
 	}
-	loggerMap[name] = *logger
-	return *logger
+	loggerMap[name] = logger
+	return logger
 }
 func Configure(config LoggersConfig) {
 	loggerConfig = config
@@ -137,7 +138,7 @@ func Configure(config LoggersConfig) {
 		if ok {
 			appenders[name] = appenderFactory(appenderConfig)
 		} else {
-			appenders[name] = &ConsoleAppender{}
+			appenders[name] = &consoleAppender
 		}
 	}
 	for name, _ := range loggerConfig.Categories {
@@ -145,7 +146,7 @@ func Configure(config LoggersConfig) {
 	}
 }
 
-func RegistAppender(typeName string, appenderCreatCb func(LogAppenderConfig) LoggerAppender) {
+func RegistAppender(typeName string, appenderCreatCb func(LogAppenderConfig) *LoggerAppender) {
 
 	appenderFactoryMap[typeName] = appenderCreatCb
 }

main_test.go

@@ -0,0 +1,26 @@
+// TestGetLogger tests the GetLogger function
+package gologger
+
+import "testing"
+
+func TestGetLogger(t *testing.T) {
+	// Initialize loggerMap and loggerConfig
+
+	dl := GetLogger("default")
+	if dl != defaultLogger {
+		t.Errorf("GetLogger(\"defult\") should return defaultLogger")
+	}
+
+	al := GetLogger("app")
+
+	if al == dl {
+		t.Errorf("GetLogger(\"app\") should return a new logger")
+	}
+
+	al2 := GetLogger("app")
+
+	if al2 != al {
+		t.Errorf("GetLogger(\"app\") should return the same logger")
+	}
+
+}

test/main.go

@@ -40,4 +40,5 @@ func main() {
 	defaultLogger.Debug("debug again")
 	fatLogger.Debug("debug again")
 	fatLogger.Error("This is error")
+	select {}
 }