Merge pull request #1560 from JessonChan/log_enhancement

Log enhancement

logs/console_test.go

@@ -43,11 +43,3 @@ func TestConsole(t *testing.T) {
 	testConsoleCalls(log2)
 }
 
-func BenchmarkConsole(b *testing.B) {
-	log := NewLogger(10000)
-	log.EnableFuncCallDepth(true)
-	log.SetLogger("console", "")
-	for i := 0; i < b.N; i++ {
-		log.Debug("debug")
-	}
-}

logs/file.go

@@ -20,7 +20,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"log"
 	"os"
 	"path/filepath"
 	"strings"
@@ -31,85 +30,59 @@ import (
 // fileLogWriter implements LoggerInterface.
 // It writes messages by lines limit, file size limit, or time frequency.
 type fileLogWriter struct {
-	*log.Logger
+	sync.Mutex // write log order by order and  atomic incr maxLinesCurLines and maxSizeCurSize
-	mw *MuxWriter
 	// The opened file
-	Filename string `json:"filename"`
+	Filename   string `json:"filename"`
+	fileWriter *os.File
 
-	Maxlines         int `json:"maxlines"`
+	// Rotate at line
-	maxlinesCurlines int
+	MaxLines         int `json:"maxlines"`
+	maxLinesCurLines int
 
 	// Rotate at size
-	Maxsize        int `json:"maxsize"`
+	MaxSize        int `json:"maxsize"`
-	maxsizeCursize int
+	maxSizeCurSize int
 
 	// Rotate daily
 	Daily         bool  `json:"daily"`
-	Maxdays       int64 `json:"maxdays"`
+	MaxDays       int64 `json:"maxdays"`
-	dailyOpendate int
+	dailyOpenDate int
 
 	Rotate bool `json:"rotate"`
 
-	startLock sync.Mutex // Only one log can write to the file
-
 	Level int `json:"level"`
 
 	Perm os.FileMode `json:"perm"`
 }
 
-// MuxWriter is an *os.File writer with locker.
-type MuxWriter struct {
-	sync.Mutex
-	fd *os.File
-}
-
-// write to os.File.
-func (l *MuxWriter) Write(b []byte) (int, error) {
-	l.Lock()
-	defer l.Unlock()
-	return l.fd.Write(b)
-}
-
-// SetFd set os.File in writer.
-func (l *MuxWriter) SetFd(fd *os.File) {
-	if l.fd != nil {
-		l.fd.Close()
-	}
-	l.fd = fd
-}
-
 // NewFileWriter create a FileLogWriter returning as LoggerInterface.
 func newFileWriter() Logger {
 	w := &fileLogWriter{
 		Filename: "",
-		Maxlines: 1000000,
+		MaxLines: 1000000,
-		Maxsize:  1 << 28, //256 MB
+		MaxSize:  1 << 28, //256 MB
 		Daily:    true,
-		Maxdays:  7,
+		MaxDays:  7,
 		Rotate:   true,
 		Level:    LevelTrace,
 		Perm:     0660,
 	}
-	// use MuxWriter instead direct use os.File for lock write when rotate
-	w.mw = new(MuxWriter)
-	// set MuxWriter as Logger's io.Writer
-	w.Logger = log.New(w.mw, "", log.Ldate|log.Ltime)
 	return w
 }
 
 // Init file logger with json config.
-// jsonconfig like:
+// jsonConfig like:
 //	{
 //	"filename":"logs/beego.log",
-//	"maxlines":10000,
+//	"maxLines":10000,
 //	"maxsize":1<<30,
 //	"daily":true,
-//	"maxdays":15,
+//	"maxDays":15,
 //	"rotate":true,
-//  "perm":0600
+//  	"perm":0600
 //	}
-func (w *fileLogWriter) Init(jsonconfig string) error {
+func (w *fileLogWriter) Init(jsonConfig string) error {
-	err := json.Unmarshal([]byte(jsonconfig), w)
+	err := json.Unmarshal([]byte(jsonConfig), w)
 	if err != nil {
 		return err
 	}
@@ -122,27 +95,22 @@ func (w *fileLogWriter) Init(jsonconfig string) error {
 
 // start file logger. create log file and set to locker-inside file writer.
 func (w *fileLogWriter) startLogger() error {
-	fd, err := w.createLogFile()
+	file, err := w.createLogFile()
 	if err != nil {
 		return err
 	}
-	w.mw.SetFd(fd)
+	if w.fileWriter != nil {
+		w.fileWriter.Close()
+	}
+	w.fileWriter = file
 	return w.initFd()
 }
 
-func (w *fileLogWriter) docheck(size int) {
+func (w *fileLogWriter) needRotate(size int, day int) bool {
-	w.startLock.Lock()
+	return (w.MaxLines > 0 && w.maxLinesCurLines >= w.MaxLines) ||
-	defer w.startLock.Unlock()
+		(w.MaxSize > 0 && w.maxSizeCurSize >= w.MaxSize) ||
-	if w.Rotate && ((w.Maxlines > 0 && w.maxlinesCurlines >= w.Maxlines) ||
+		(w.Daily && day != w.dailyOpenDate)
-		(w.Maxsize > 0 && w.maxsizeCursize >= w.Maxsize) ||
+
-		(w.Daily && time.Now().Day() != w.dailyOpendate)) {
-		if err := w.DoRotate(); err != nil {
-			fmt.Fprintf(os.Stderr, "FileLogWriter(%q): %s\n", w.Filename, err)
-			return
-		}
-	}
-	w.maxlinesCurlines++
-	w.maxsizeCursize += size
 }
 
 // WriteMsg write logger message into file.
@@ -150,10 +118,68 @@ func (w *fileLogWriter) WriteMsg(msg string, level int) error {
 	if level > w.Level {
 		return nil
 	}
-	n := 24 + len(msg) // 24 stand for the length "2013/06/23 21:00:22 [T] "
+	//2016/01/12 21:34:33
-	w.docheck(n)
+	now := time.Now()
-	w.Logger.Println(msg)
+	y, mo, d := now.Date()
-	return nil
+	h, mi, s := now.Clock()
+	//len(2006/01/02 15:03:04)==19
+	var buf [20]byte
+	t := 3
+	for y >= 10 {
+		p := y / 10
+		buf[t] = byte('0' + y - p*10)
+		y = p
+		t--
+	}
+	buf[0] = byte('0' + y)
+	buf[4] = '/'
+	if mo > 9 {
+		buf[5] = '1'
+		buf[6] = byte('0' + mo - 9)
+	} else {
+		buf[5] = '0'
+		buf[6] = byte('0' + mo)
+	}
+	buf[7] = '/'
+	t = d / 10
+	buf[8] = byte('0' + t)
+	buf[9] = byte('0' + d - t*10)
+	buf[10] = ' '
+	t = h / 10
+	buf[11] = byte('0' + t)
+	buf[12] = byte('0' + h - t*10)
+	buf[13] = ':'
+	t = mi / 10
+	buf[14] = byte('0' + t)
+	buf[15] = byte('0' + mi - t*10)
+	buf[16] = ':'
+	t = s / 10
+	buf[17] = byte('0' + t)
+	buf[18] = byte('0' + s - t*10)
+	buf[19] = ' '
+	msg = string(buf[0:]) + msg + "\n"
+
+	if w.Rotate {
+		if w.needRotate(len(msg), d) {
+			w.Lock()
+			if w.needRotate(len(msg), d) {
+				if err := w.doRotate(); err != nil {
+					fmt.Fprintf(os.Stderr, "FileLogWriter(%q): %s\n", w.Filename, err)
+				}
+
+			}
+			w.Unlock()
+		}
+	}
+
+	w.Lock()
+	_, err := w.fileWriter.Write([]byte(msg))
+	if err == nil {
+		w.maxLinesCurLines++
+		w.maxSizeCurSize += len(msg)
+	}
+	w.Unlock()
+	return err
 }
 
 func (w *fileLogWriter) createLogFile() (*os.File, error) {
@@ -163,20 +189,20 @@ func (w *fileLogWriter) createLogFile() (*os.File, error) {
 }
 
 func (w *fileLogWriter) initFd() error {
-	fd := w.mw.fd
+	fd := w.fileWriter
-	finfo, err := fd.Stat()
+	fInfo, err := fd.Stat()
 	if err != nil {
 		return fmt.Errorf("get stat err: %s\n", err)
 	}
-	w.maxsizeCursize = int(finfo.Size())
+	w.maxSizeCurSize = int(fInfo.Size())
-	w.dailyOpendate = time.Now().Day()
+	w.dailyOpenDate = time.Now().Day()
-	w.maxlinesCurlines = 0
+	w.maxLinesCurLines = 0
-	if finfo.Size() > 0 {
+	if fInfo.Size() > 0 {
 		count, err := w.lines()
 		if err != nil {
 			return err
 		}
-		w.maxlinesCurlines = count
+		w.maxLinesCurLines = count
 	}
 	return nil
 }
@@ -210,50 +236,47 @@ func (w *fileLogWriter) lines() (int, error) {
 
 // DoRotate means it need to write file in new file.
 // new file name like xx.2013-01-01.2.log
-func (w *fileLogWriter) DoRotate() error {
+func (w *fileLogWriter) doRotate() error {
 	_, err := os.Lstat(w.Filename)
-	if err == nil { // file exists
+	if err != nil {
-		// Find the next available number
+		return err
-		num := 1
+	}
-		fname := ""
+	// file exists
-		suffix := filepath.Ext(w.Filename)
+	// Find the next available number
-		filenameOnly := strings.TrimSuffix(w.Filename, suffix)
+	num := 1
-		if suffix == "" {
+	fName := ""
-			suffix = ".log"
+	suffix := filepath.Ext(w.Filename)
-		}
+	filenameOnly := strings.TrimSuffix(w.Filename, suffix)
-		for ; err == nil && num <= 999; num++ {
+	if suffix == "" {
-			fname = filenameOnly + fmt.Sprintf(".%s.%03d%s", time.Now().Format("2006-01-02"), num, suffix)
+		suffix = ".log"
-			_, err = os.Lstat(fname)
+	}
-		}
+	for ; err == nil && num <= 999; num++ {
-		// return error if the last file checked still existed
+		fName = filenameOnly + fmt.Sprintf(".%s.%03d%s", time.Now().Format("2006-01-02"), num, suffix)
-		if err == nil {
+		_, err = os.Lstat(fName)
-			return fmt.Errorf("Rotate: Cannot find free log number to rename %s\n", w.Filename)
+	}
-		}
+	// return error if the last file checked still existed
-
+	if err == nil {
-		// block Logger's io.Writer
+		return fmt.Errorf("Rotate: Cannot find free log number to rename %s\n", w.Filename)
-		w.mw.Lock()
-		defer w.mw.Unlock()
-
-		fd := w.mw.fd
-		fd.Close()
-
-		// close fd before rename
-		// Rename the file to its newfound home
-		err = os.Rename(w.Filename, fname)
-		if err != nil {
-			return fmt.Errorf("Rotate: %s\n", err)
-		}
-
-		// re-start logger
-		err = w.startLogger()
-		if err != nil {
-			return fmt.Errorf("Rotate StartLogger: %s\n", err)
-		}
-
-		go w.deleteOldLog()
 	}
 
+	// close fileWriter before rename
+	w.fileWriter.Close()
+
+	// Rename the file to its new found name
+	// even if occurs error,we MUST guarantee to  restart new logger
+	renameErr := os.Rename(w.Filename, fName)
+	// re-start logger
+	startLoggerErr := w.startLogger()
+	go w.deleteOldLog()
+
+	if startLoggerErr != nil {
+		return fmt.Errorf("Rotate StartLogger: %s\n", startLoggerErr)
+	}
+	if renameErr != nil {
+		return fmt.Errorf("Rotate: %s\n", renameErr)
+	}
 	return nil
+
 }
 
 func (w *fileLogWriter) deleteOldLog() {
@@ -261,12 +284,11 @@ func (w *fileLogWriter) deleteOldLog() {
 	filepath.Walk(dir, func(path string, info os.FileInfo, err error) (returnErr error) {
 		defer func() {
 			if r := recover(); r != nil {
-				returnErr = fmt.Errorf("Unable to delete old log '%s', error: %+v", path, r)
+				fmt.Fprintf(os.Stderr, "Unable to delete old log '%s', error: %v\n", path, r)
-				fmt.Println(returnErr)
 			}
 		}()
 
-		if !info.IsDir() && info.ModTime().Unix() < (time.Now().Unix()-60*60*24*w.Maxdays) {
+		if !info.IsDir() && info.ModTime().Unix() < (time.Now().Unix()-60*60*24*w.MaxDays) {
 			if strings.HasPrefix(filepath.Base(path), filepath.Base(w.Filename)) {
 				os.Remove(path)
 			}
@@ -275,16 +297,16 @@ func (w *fileLogWriter) deleteOldLog() {
 	})
 }
 
-// Destroy close the file desciption, close file writer.
+// Destroy close the file description, close file writer.
 func (w *fileLogWriter) Destroy() {
-	w.mw.fd.Close()
+	w.fileWriter.Close()
 }
 
 // Flush flush file logger.
 // there are no buffering messages in file logger in memory.
 // flush file means sync file from disk.
 func (w *fileLogWriter) Flush() {
-	w.mw.fd.Sync()
+	w.fileWriter.Sync()
 }
 
 func init() {

logs/file_test.go

@@ -23,7 +23,7 @@ import (
 	"time"
 )
 
-func TestFile(t *testing.T) {
+func TestFile1(t *testing.T) {
 	log := NewLogger(10000)
 	log.SetLogger("file", `{"filename":"test.log"}`)
 	log.Debug("debug")
@@ -34,25 +34,24 @@ func TestFile(t *testing.T) {
 	log.Alert("alert")
 	log.Critical("critical")
 	log.Emergency("emergency")
-	time.Sleep(time.Second * 4)
 	f, err := os.Open("test.log")
 	if err != nil {
 		t.Fatal(err)
 	}
 	b := bufio.NewReader(f)
-	linenum := 0
+	lineNum := 0
 	for {
 		line, _, err := b.ReadLine()
 		if err != nil {
 			break
 		}
 		if len(line) > 0 {
-			linenum++
+			lineNum++
 		}
 	}
 	var expected = LevelDebug + 1
-	if linenum != expected {
+	if lineNum != expected {
-		t.Fatal(linenum, "not "+strconv.Itoa(expected)+" lines")
+		t.Fatal(lineNum, "not "+strconv.Itoa(expected)+" lines")
 	}
 	os.Remove("test.log")
 }
@@ -68,25 +67,24 @@ func TestFile2(t *testing.T) {
 	log.Alert("alert")
 	log.Critical("critical")
 	log.Emergency("emergency")
-	time.Sleep(time.Second * 4)
 	f, err := os.Open("test2.log")
 	if err != nil {
 		t.Fatal(err)
 	}
 	b := bufio.NewReader(f)
-	linenum := 0
+	lineNum := 0
 	for {
 		line, _, err := b.ReadLine()
 		if err != nil {
 			break
 		}
 		if len(line) > 0 {
-			linenum++
+			lineNum++
 		}
 	}
 	var expected = LevelError + 1
-	if linenum != expected {
+	if lineNum != expected {
-		t.Fatal(linenum, "not "+strconv.Itoa(expected)+" lines")
+		t.Fatal(lineNum, "not "+strconv.Itoa(expected)+" lines")
 	}
 	os.Remove("test2.log")
 }
@@ -102,13 +100,13 @@ func TestFileRotate(t *testing.T) {
 	log.Alert("alert")
 	log.Critical("critical")
 	log.Emergency("emergency")
-	time.Sleep(time.Second * 4)
+	rotateName := "test3" + fmt.Sprintf(".%s.%03d", time.Now().Format("2006-01-02"), 1) + ".log"
-	rotatename := "test3" + fmt.Sprintf(".%s.%03d", time.Now().Format("2006-01-02"), 1) + ".log"
+	b, err := exists(rotateName)
-	b, err := exists(rotatename)
 	if !b || err != nil {
+		os.Remove("test3.log")
 		t.Fatal("rotate not generated")
 	}
-	os.Remove(rotatename)
+	os.Remove(rotateName)
 	os.Remove("test3.log")
 }
 
@@ -131,3 +129,46 @@ func BenchmarkFile(b *testing.B) {
 	}
 	os.Remove("test4.log")
 }
+
+
+func BenchmarkFileAsynchronous(b *testing.B) {
+	log := NewLogger(100000)
+	log.SetLogger("file", `{"filename":"test4.log"}`)
+	log.Async()
+	for i := 0; i < b.N; i++ {
+		log.Debug("debug")
+	}
+	os.Remove("test4.log")
+}
+
+func BenchmarkFileCallDepth(b *testing.B) {
+	log := NewLogger(100000)
+	log.SetLogger("file", `{"filename":"test4.log"}`)
+	log.EnableFuncCallDepth(true)
+	log.SetLogFuncCallDepth(2)
+	for i := 0; i < b.N; i++ {
+		log.Debug("debug")
+	}
+	os.Remove("test4.log")
+}
+
+func BenchmarkFileAsynchronousCallDepth(b *testing.B) {
+	log := NewLogger(100000)
+	log.SetLogger("file", `{"filename":"test4.log"}`)
+	log.EnableFuncCallDepth(true)
+	log.SetLogFuncCallDepth(2)
+	log.Async()
+	for i := 0; i < b.N; i++ {
+		log.Debug("debug")
+	}
+	os.Remove("test4.log")
+}
+
+func BenchmarkFileOnGoroutine(b *testing.B) {
+	log := NewLogger(100000)
+	log.SetLogger("file", `{"filename":"test4.log"}`)
+	for i := 0; i < b.N; i++ {
+	go	log.Debug("debug")
+	}
+	os.Remove("test4.log")
+}

logs/log.go

@@ -35,8 +35,10 @@ package logs
 
 import (
 	"fmt"
+	"os"
 	"path"
 	"runtime"
+	"strconv"
 	"sync"
 )
 
@@ -94,8 +96,13 @@ type BeeLogger struct {
 	enableFuncCallDepth bool
 	loggerFuncCallDepth int
 	asynchronous        bool
-	msg                 chan *logMsg
+	msgChan             chan *logMsg
-	outputs             map[string]Logger
+	outputs             []*nameLogger
+}
+
+type nameLogger struct {
+	Logger
+	name string
 }
 
 type logMsg struct {
@@ -103,59 +110,79 @@ type logMsg struct {
 	msg   string
 }
 
+var logMsgPool *sync.Pool
+
 // NewLogger returns a new BeeLogger.
-// channellen means the number of messages in chan.
+// channelLen means the number of messages in chan(used where asynchronous is true).
 // if the buffering chan is full, logger adapters write to file or other way.
-func NewLogger(channellen int64) *BeeLogger {
+func NewLogger(channelLen int64) *BeeLogger {
 	bl := new(BeeLogger)
 	bl.level = LevelDebug
 	bl.loggerFuncCallDepth = 2
-	bl.msg = make(chan *logMsg, channellen)
+	bl.msgChan = make(chan *logMsg, channelLen)
-	bl.outputs = make(map[string]Logger)
 	return bl
 }
 
 // Async set the log to asynchronous and start the goroutine
 func (bl *BeeLogger) Async() *BeeLogger {
 	bl.asynchronous = true
+	logMsgPool = &sync.Pool{
+		New: func() interface{} {
+			return &logMsg{}
+		},
+	}
 	go bl.startLogger()
 	return bl
 }
 
 // SetLogger provides a given logger adapter into BeeLogger with config string.
 // config need to be correct JSON as string: {"interval":360}.
-func (bl *BeeLogger) SetLogger(adaptername string, config string) error {
+func (bl *BeeLogger) SetLogger(adapterName string, config string) error {
 	bl.lock.Lock()
 	defer bl.lock.Unlock()
-	if log, ok := adapters[adaptername]; ok {
+	if log, ok := adapters[adapterName]; ok {
 		lg := log()
 		err := lg.Init(config)
-		bl.outputs[adaptername] = lg
 		if err != nil {
-			fmt.Println("logs.BeeLogger.SetLogger: " + err.Error())
+			fmt.Fprintln(os.Stderr, "logs.BeeLogger.SetLogger: "+err.Error())
 			return err
 		}
+		bl.outputs = append(bl.outputs, &nameLogger{name: adapterName, Logger: lg})
 	} else {
-		return fmt.Errorf("logs: unknown adaptername %q (forgotten Register?)", adaptername)
+		return fmt.Errorf("logs: unknown adaptername %q (forgotten Register?)", adapterName)
 	}
 	return nil
 }
 
 // DelLogger remove a logger adapter in BeeLogger.
-func (bl *BeeLogger) DelLogger(adaptername string) error {
+func (bl *BeeLogger) DelLogger(adapterName string) error {
 	bl.lock.Lock()
 	defer bl.lock.Unlock()
-	if lg, ok := bl.outputs[adaptername]; ok {
+	outputs := []*nameLogger{}
-		lg.Destroy()
+	for _, lg := range bl.outputs {
-		delete(bl.outputs, adaptername)
+		if lg.name == adapterName {
-		return nil
+			lg.Destroy()
+		} else {
+			outputs = append(outputs, lg)
+		}
 	}
-	return fmt.Errorf("logs: unknown adaptername %q (forgotten Register?)", adaptername)
+	if len(outputs) == len(bl.outputs) {
+		return fmt.Errorf("logs: unknown adaptername %q (forgotten Register?)", adapterName)
+	}
+	bl.outputs = outputs
+	return nil
 }
 
-func (bl *BeeLogger) writerMsg(loglevel int, msg string) error {
+func (bl *BeeLogger) writeToLoggers(msg string, level int) {
-	lm := new(logMsg)
+	for _, l := range bl.outputs {
-	lm.level = loglevel
+		err := l.WriteMsg(msg, level)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "unable to WriteMsg to adapter:%v,error:%v\n", l.name, err)
+		}
+	}
+}
+
+func (bl *BeeLogger) writeMsg(logLevel int, msg string) error {
 	if bl.enableFuncCallDepth {
 		_, file, line, ok := runtime.Caller(bl.loggerFuncCallDepth)
 		if !ok {
@@ -163,20 +190,15 @@ func (bl *BeeLogger) writerMsg(loglevel int, msg string) error {
 			line = 0
 		}
 		_, filename := path.Split(file)
-		lm.msg = fmt.Sprintf("[%s:%d] %s", filename, line, msg)
+		msg = "[" + filename + ":" + strconv.FormatInt(int64(line), 10) + "]" + msg
-	} else {
-		lm.msg = msg
 	}
 	if bl.asynchronous {
-		bl.msg <- lm
+		lm := logMsgPool.Get().(*logMsg)
+		lm.level = logLevel
+		lm.msg = msg
+		bl.msgChan <- lm
 	} else {
-		for name, l := range bl.outputs {
+		bl.writeToLoggers(msg, logLevel)
-			err := l.WriteMsg(lm.msg, lm.level)
-			if err != nil {
-				fmt.Println("unable to WriteMsg to adapter:", name, err)
-				return err
-			}
-		}
 	}
 	return nil
 }
@@ -208,13 +230,9 @@ func (bl *BeeLogger) EnableFuncCallDepth(b bool) {
 func (bl *BeeLogger) startLogger() {
 	for {
 		select {
-		case bm := <-bl.msg:
+		case bm := <-bl.msgChan:
-			for _, l := range bl.outputs {
+			bl.writeToLoggers(bm.msg, bm.level)
-				err := l.WriteMsg(bm.msg, bm.level)
+			logMsgPool.Put(bm)
-				if err != nil {
-					fmt.Println("ERROR, unable to WriteMsg:", err)
-				}
-			}
 		}
 	}
 }
@@ -225,7 +243,7 @@ func (bl *BeeLogger) Emergency(format string, v ...interface{}) {
 		return
 	}
 	msg := fmt.Sprintf("[M] "+format, v...)
-	bl.writerMsg(LevelEmergency, msg)
+	bl.writeMsg(LevelEmergency, msg)
 }
 
 // Alert Log ALERT level message.
@@ -234,7 +252,7 @@ func (bl *BeeLogger) Alert(format string, v ...interface{}) {
 		return
 	}
 	msg := fmt.Sprintf("[A] "+format, v...)
-	bl.writerMsg(LevelAlert, msg)
+	bl.writeMsg(LevelAlert, msg)
 }
 
 // Critical Log CRITICAL level message.
@@ -243,7 +261,7 @@ func (bl *BeeLogger) Critical(format string, v ...interface{}) {
 		return
 	}
 	msg := fmt.Sprintf("[C] "+format, v...)
-	bl.writerMsg(LevelCritical, msg)
+	bl.writeMsg(LevelCritical, msg)
 }
 
 // Error Log ERROR level message.
@@ -252,7 +270,7 @@ func (bl *BeeLogger) Error(format string, v ...interface{}) {
 		return
 	}
 	msg := fmt.Sprintf("[E] "+format, v...)
-	bl.writerMsg(LevelError, msg)
+	bl.writeMsg(LevelError, msg)
 }
 
 // Warning Log WARNING level message.
@@ -261,7 +279,7 @@ func (bl *BeeLogger) Warning(format string, v ...interface{}) {
 		return
 	}
 	msg := fmt.Sprintf("[W] "+format, v...)
-	bl.writerMsg(LevelWarning, msg)
+	bl.writeMsg(LevelWarning, msg)
 }
 
 // Notice Log NOTICE level message.
@@ -270,7 +288,7 @@ func (bl *BeeLogger) Notice(format string, v ...interface{}) {
 		return
 	}
 	msg := fmt.Sprintf("[N] "+format, v...)
-	bl.writerMsg(LevelNotice, msg)
+	bl.writeMsg(LevelNotice, msg)
 }
 
 // Informational Log INFORMATIONAL level message.
@@ -279,7 +297,7 @@ func (bl *BeeLogger) Informational(format string, v ...interface{}) {
 		return
 	}
 	msg := fmt.Sprintf("[I] "+format, v...)
-	bl.writerMsg(LevelInformational, msg)
+	bl.writeMsg(LevelInformational, msg)
 }
 
 // Debug Log DEBUG level message.
@@ -288,7 +306,7 @@ func (bl *BeeLogger) Debug(format string, v ...interface{}) {
 		return
 	}
 	msg := fmt.Sprintf("[D] "+format, v...)
-	bl.writerMsg(LevelDebug, msg)
+	bl.writeMsg(LevelDebug, msg)
 }
 
 // Warn Log WARN level message.
@@ -298,7 +316,7 @@ func (bl *BeeLogger) Warn(format string, v ...interface{}) {
 		return
 	}
 	msg := fmt.Sprintf("[W] "+format, v...)
-	bl.writerMsg(LevelWarning, msg)
+	bl.writeMsg(LevelWarning, msg)
 }
 
 // Info Log INFO level message.
@@ -308,7 +326,7 @@ func (bl *BeeLogger) Info(format string, v ...interface{}) {
 		return
 	}
 	msg := fmt.Sprintf("[I] "+format, v...)
-	bl.writerMsg(LevelInformational, msg)
+	bl.writeMsg(LevelInformational, msg)
 }
 
 // Trace Log TRACE level message.
@@ -318,7 +336,7 @@ func (bl *BeeLogger) Trace(format string, v ...interface{}) {
 		return
 	}
 	msg := fmt.Sprintf("[D] "+format, v...)
-	bl.writerMsg(LevelDebug, msg)
+	bl.writeMsg(LevelDebug, msg)
 }
 
 // Flush flush all chan data.
@@ -331,14 +349,10 @@ func (bl *BeeLogger) Flush() {
 // Close close logger, flush all chan data and destroy all adapters in BeeLogger.
 func (bl *BeeLogger) Close() {
 	for {
-		if len(bl.msg) > 0 {
+		if len(bl.msgChan) > 0 {
-			bm := <-bl.msg
+			bm := <-bl.msgChan
-			for _, l := range bl.outputs {
+			bl.writeToLoggers(bm.msg, bm.level)
-				err := l.WriteMsg(bm.msg, bm.level)
+			logMsgPool.Put(bm)
-				if err != nil {
-					fmt.Println("ERROR, unable to WriteMsg (while closing logger):", err)
-				}
-			}
 			continue
 		}
 		break