/
logger.go
332 lines (307 loc) · 7.05 KB
/
logger.go
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package logger
import (
"bytes"
"fmt"
"log"
"os"
"path"
"runtime"
"strconv"
"strings"
"time"
"github.com/mattn/go-colorable"
)
const (
DEBUG = iota
INFO
WARN
ERROR
)
const (
CONSOLE = iota
FILE
BOTH
NEITHER
)
var (
GREEN = string([]byte{27, 91, 51, 50, 109})
WHITE = string([]byte{27, 91, 51, 55, 109})
YELLOW = string([]byte{27, 91, 51, 51, 109})
RED = string([]byte{27, 91, 51, 49, 109})
BLUE = string([]byte{27, 91, 51, 52, 109})
MAGENTA = string([]byte{27, 91, 51, 53, 109})
CYAN = string([]byte{27, 91, 51, 54, 109})
RESET = string([]byte{27, 91, 48, 109})
ALL_COLOR = []string{GREEN, WHITE, YELLOW, RED, BLUE, MAGENTA, CYAN, RESET}
)
var LOG *Logger = nil
type Logger struct {
AppName string
Level int
Mode int
Track bool
MaxSize int32
File *os.File
LogInfoChan chan *LogInfo
}
type LogInfo struct {
Level int
Msg string
FileName string
FuncName string
Line int
GoroutineId string
ThreadId string
}
func InitLogger(name string) {
log.SetFlags(0)
LOG = new(Logger)
LOG.AppName = name
LOG.Level = LOG.getLevelInt("DEBUG")
LOG.Mode = LOG.getModeInt("BOTH")
LOG.Track = true
LOG.MaxSize = 10485760
LOG.LogInfoChan = make(chan *LogInfo, 1000)
LOG.File = nil
go LOG.doLog()
}
func SetLogLevel(logLevel string) {
LOG.Level = LOG.getLevelInt(logLevel)
}
func CloseLogger() {
// 等待所有日志打印完毕
for {
if len(LOG.LogInfoChan) == 0 {
break
}
time.Sleep(time.Millisecond * 100)
}
}
func (l *Logger) doLog() {
stdout := colorable.NewColorableStdout()
for {
logInfo := <-l.LogInfoChan
timeNow := time.Now()
timeNowStr := timeNow.Format("2006-01-02 15:04:05.000")
logStr := CYAN + "[" + timeNowStr + "]" + RESET + " "
if logInfo.Level == DEBUG {
logStr += BLUE + "[" + l.getLevelStr(logInfo.Level) + "]" + RESET
} else if logInfo.Level == INFO {
logStr += GREEN + "[" + l.getLevelStr(logInfo.Level) + "]" + RESET
} else if logInfo.Level == WARN {
logStr += YELLOW + "[" + l.getLevelStr(logInfo.Level) + "]" + RESET
} else if logInfo.Level == ERROR {
logStr += RED + "[" + l.getLevelStr(logInfo.Level) + "]" + RESET
}
if logInfo.Level == ERROR {
logStr += " " + RED + logInfo.Msg + RESET + " "
} else {
logStr += " " + logInfo.Msg + " "
}
if l.Track {
logStr += MAGENTA + "[" +
logInfo.FileName + ":" + strconv.Itoa(logInfo.Line) + " " +
logInfo.FuncName + "()" + " " +
"goroutine:" + logInfo.GoroutineId + " " +
"thread:" + logInfo.ThreadId +
"]" + RESET
}
logStr += "\n"
if l.Mode == CONSOLE {
fmt.Fprint(stdout, logStr)
} else if l.Mode == FILE {
l.writeLogFile(logStr)
} else if l.Mode == BOTH {
fmt.Fprint(stdout, logStr)
l.writeLogFile(logStr)
}
}
}
func (l *Logger) writeLogFile(logStr string) {
for _, v := range ALL_COLOR {
logStr = strings.ReplaceAll(logStr, v, "")
}
if l.File == nil {
file, err := os.OpenFile("./"+l.AppName+".log", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0644)
if err != nil {
fmt.Printf(RED+"open new log file error: %v\n"+RESET, err)
return
}
LOG.File = file
}
fileStat, err := l.File.Stat()
if err != nil {
fmt.Printf(RED+"get log file stat error: %v\n"+RESET, err)
return
}
if fileStat.Size() >= int64(l.MaxSize) {
err = l.File.Close()
if err != nil {
fmt.Printf(RED+"close old log file error: %v\n"+RESET, err)
return
}
timeNow := time.Now()
timeNowStr := timeNow.Format("2006-01-02-15_04_05")
err = os.Rename(l.File.Name(), l.File.Name()+"."+timeNowStr+".log")
if err != nil {
fmt.Printf(RED+"rename old log file error: %v\n"+RESET, err)
return
}
file, err := os.OpenFile("./"+l.AppName+".log", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0644)
if err != nil {
fmt.Printf(RED+"open new log file error: %v\n"+RESET, err)
return
}
LOG.File = file
}
_, err = l.File.WriteString(logStr)
if err != nil {
fmt.Printf(RED+"write log file error: %v\n"+RESET, err)
return
}
}
func Debug(msg string, param ...any) {
if LOG.Level > DEBUG {
return
}
logInfo := new(LogInfo)
logInfo.Level = DEBUG
logInfo.Msg = fmt.Sprintf(msg, param...)
if LOG.Track {
logInfo.FileName, logInfo.Line, logInfo.FuncName = LOG.getLineFunc()
logInfo.GoroutineId = LOG.getGoroutineId()
logInfo.ThreadId = LOG.getThreadId()
}
LOG.LogInfoChan <- logInfo
}
func Info(msg string, param ...any) {
if LOG.Level > INFO {
return
}
logInfo := new(LogInfo)
logInfo.Level = INFO
logInfo.Msg = fmt.Sprintf(msg, param...)
if LOG.Track {
logInfo.FileName, logInfo.Line, logInfo.FuncName = LOG.getLineFunc()
logInfo.GoroutineId = LOG.getGoroutineId()
logInfo.ThreadId = LOG.getThreadId()
}
LOG.LogInfoChan <- logInfo
}
func Warn(msg string, param ...any) {
if LOG.Level > WARN {
return
}
logInfo := new(LogInfo)
logInfo.Level = WARN
logInfo.Msg = fmt.Sprintf(msg, param...)
if LOG.Track {
logInfo.FileName, logInfo.Line, logInfo.FuncName = LOG.getLineFunc()
logInfo.GoroutineId = LOG.getGoroutineId()
logInfo.ThreadId = LOG.getThreadId()
}
LOG.LogInfoChan <- logInfo
}
func Error(msg string, param ...any) {
if LOG.Level > ERROR {
return
}
logInfo := new(LogInfo)
logInfo.Level = ERROR
logInfo.Msg = fmt.Sprintf(msg, param...)
if LOG.Track {
logInfo.FileName, logInfo.Line, logInfo.FuncName = LOG.getLineFunc()
logInfo.GoroutineId = LOG.getGoroutineId()
logInfo.ThreadId = LOG.getThreadId()
}
LOG.LogInfoChan <- logInfo
}
func (l *Logger) getLevelInt(level string) (ret int) {
switch level {
case "DEBUG":
ret = DEBUG
case "INFO":
ret = INFO
case "WARN":
ret = WARN
case "ERROR":
ret = ERROR
default:
ret = DEBUG
}
return ret
}
func (l *Logger) getLevelStr(level int) (ret string) {
switch level {
case DEBUG:
ret = "DEBUG"
case INFO:
ret = "INFO"
case WARN:
ret = "WARN"
case ERROR:
ret = "ERROR"
default:
ret = "DEBUG"
}
return ret
}
func (l *Logger) getModeInt(mode string) (ret int) {
switch mode {
case "CONSOLE":
ret = CONSOLE
case "FILE":
ret = FILE
case "BOTH":
ret = BOTH
case "NEITHER":
ret = NEITHER
default:
ret = CONSOLE
}
return ret
}
func (l *Logger) getGoroutineId() (goroutineId string) {
buf := make([]byte, 32)
runtime.Stack(buf, false)
buf = bytes.TrimPrefix(buf, []byte("goroutine "))
buf = buf[:bytes.IndexByte(buf, ' ')]
goroutineId = string(buf)
return goroutineId
}
func (l *Logger) getLineFunc() (fileName string, line int, funcName string) {
var pc uintptr
var file string
var ok bool
pc, file, line, ok = runtime.Caller(2)
if !ok {
return "???", -1, "???"
}
fileName = path.Base(file)
funcName = runtime.FuncForPC(pc).Name()
split := strings.Split(funcName, ".")
if len(split) != 0 {
funcName = split[len(split)-1]
}
return fileName, line, funcName
}
func Stack() string {
buf := make([]byte, 1024)
for {
n := runtime.Stack(buf, false)
if n < len(buf) {
return string(buf[:n])
}
buf = make([]byte, 2*len(buf))
}
}
func StackAll() string {
buf := make([]byte, 1024*16)
for {
n := runtime.Stack(buf, true)
if n < len(buf) {
return string(buf[:n])
}
buf = make([]byte, 2*len(buf))
}
}