refactor

pkg/logger/logger.go

@@ -0,0 +1,220 @@
+package logger
+
+import (
+	"bytes"
+	"fmt"
+	"log"
+	"os"
+	"path"
+	"runtime"
+	"strconv"
+	"time"
+)
+
+const (
+	DEBUG   int = 1
+	INFO    int = 2
+	ERROR   int = 3
+	UNKNOWN int = 4
+)
+
+const (
+	CONSOLE int = 1
+	FILE    int = 2
+	BOTH    int = 3
+	NEITHER int = 4
+)
+
+var LOG *Logger = nil
+
+type Logger struct {
+	level       int
+	method      int
+	trackLine   bool
+	file        *os.File
+	logInfoChan chan *LogInfo
+}
+
+type LogInfo struct {
+	logLevel    int
+	msg         string
+	param       []any
+	fileInfo    string
+	funcInfo    string
+	lineInfo    int
+	goroutineId string
+}
+
+// 日志配置
+type Config struct {
+	Level     string `toml:"level"`
+	Method    string `toml:"method"`
+	TrackLine bool   `toml:"track_line"`
+}
+
+func InitLogger(name string, cfg Config) {
+	log.SetFlags(0)
+	LOG = new(Logger)
+	LOG.level = getLevelInt(cfg.Level)
+	LOG.method = getMethodInt(cfg.Method)
+	LOG.trackLine = cfg.TrackLine
+	LOG.logInfoChan = make(chan *LogInfo, 1000)
+	if LOG.method == FILE || LOG.method == BOTH {
+		file, err := os.OpenFile("./"+name+".log", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0644)
+		if err != nil {
+			info := fmt.Sprintf("open log file error: %v\n", err)
+			panic(info)
+		}
+		LOG.file = file
+	}
+	go LOG.doLog()
+}
+
+func (l *Logger) doLog() {
+	for {
+		logInfo := <-l.logInfoChan
+		timeNow := time.Now()
+		timeNowStr := timeNow.Format("2006-01-02 15:04:05.000")
+		logHeader := "[" + timeNowStr + "]" + " " +
+			"[" + l.getLevelStr(logInfo.logLevel) + "]" + " "
+		if l.trackLine {
+			logHeader += "[" +
+				"line:" + logInfo.fileInfo + ":" + strconv.FormatInt(int64(logInfo.lineInfo), 10) +
+				" func:" + logInfo.funcInfo +
+				" goroutine:" + logInfo.goroutineId +
+				"]" + " "
+		}
+		logStr := logHeader + fmt.Sprintf(logInfo.msg, logInfo.param...) + "\n"
+		red := string([]byte{27, 91, 51, 49, 109})
+		reset := string([]byte{27, 91, 48, 109})
+		if l.method == CONSOLE {
+			if logInfo.logLevel == ERROR {
+				log.Print(red, logStr, reset)
+			} else {
+				log.Print(logStr)
+			}
+		} else if l.method == FILE {
+			_, _ = l.file.WriteString(logStr)
+		} else if l.method == BOTH {
+			if logInfo.logLevel == ERROR {
+				log.Print(red, logStr, reset)
+			} else {
+				log.Print(logStr)
+			}
+			_, _ = l.file.WriteString(logStr)
+		}
+	}
+}
+
+func (l *Logger) Debug(msg string, param ...any) {
+	if l.level > DEBUG {
+		return
+	}
+	logInfo := new(LogInfo)
+	logInfo.logLevel = DEBUG
+	logInfo.msg = msg
+	logInfo.param = param
+	if l.trackLine {
+		fileInfo, funcInfo, lineInfo := l.getLineInfo()
+		logInfo.fileInfo = fileInfo
+		logInfo.funcInfo = funcInfo
+		logInfo.lineInfo = lineInfo
+		logInfo.goroutineId = l.getGoroutineId()
+	}
+	l.logInfoChan <- logInfo
+}
+
+func (l *Logger) Info(msg string, param ...any) {
+	if l.level > INFO {
+		return
+	}
+	logInfo := new(LogInfo)
+	logInfo.logLevel = INFO
+	logInfo.msg = msg
+	logInfo.param = param
+	if l.trackLine {
+		fileInfo, funcInfo, lineInfo := l.getLineInfo()
+		logInfo.fileInfo = fileInfo
+		logInfo.funcInfo = funcInfo
+		logInfo.lineInfo = lineInfo
+		logInfo.goroutineId = l.getGoroutineId()
+	}
+	l.logInfoChan <- logInfo
+}
+
+func (l *Logger) Error(msg string, param ...any) {
+	if l.level > ERROR {
+		return
+	}
+	logInfo := new(LogInfo)
+	logInfo.logLevel = ERROR
+	logInfo.msg = msg
+	logInfo.param = param
+	if l.trackLine {
+		fileInfo, funcInfo, lineInfo := l.getLineInfo()
+		logInfo.fileInfo = fileInfo
+		logInfo.funcInfo = funcInfo
+		logInfo.lineInfo = lineInfo
+		logInfo.goroutineId = l.getGoroutineId()
+	}
+	l.logInfoChan <- logInfo
+}
+
+func getLevelInt(level string) (ret int) {
+	switch level {
+	case "DEBUG":
+		ret = DEBUG
+	case "INFO":
+		ret = INFO
+	case "ERROR":
+		ret = ERROR
+	default:
+		ret = UNKNOWN
+	}
+	return ret
+}
+
+func (l *Logger) getLevelStr(level int) (ret string) {
+	switch level {
+	case DEBUG:
+		ret = "DEBUG"
+	case INFO:
+		ret = "INFO"
+	case ERROR:
+		ret = "ERROR"
+	}
+	return ret
+}
+
+func getMethodInt(method string) (ret int) {
+	switch method {
+	case "CONSOLE":
+		ret = CONSOLE
+	case "FILE":
+		ret = FILE
+	case "BOTH":
+		ret = BOTH
+	default:
+		ret = NEITHER
+	}
+	return ret
+}
+
+func (l *Logger) getGoroutineId() (goroutineId string) {
+	staticInfo := make([]byte, 32)
+	runtime.Stack(staticInfo, false)
+	staticInfo = bytes.TrimPrefix(staticInfo, []byte("goroutine "))
+	staticInfo = staticInfo[:bytes.IndexByte(staticInfo, ' ')]
+	goroutineId = string(staticInfo)
+	return goroutineId
+}
+
+func (l *Logger) getLineInfo() (fileName string, funcName string, lineNo int) {
+	pc, file, line, ok := runtime.Caller(2)
+	if ok {
+		fileName = path.Base(file)
+		funcName = path.Base(runtime.FuncForPC(pc).Name())
+		lineNo = line
+	}
+	return
+}