/
logger.go
214 lines (190 loc) · 4.55 KB
/
logger.go
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package kernel
import (
"fmt"
"github.com/liangmanlin/gootp/bpool"
"io"
"log"
"os"
"path/filepath"
"runtime"
"time"
)
const loggerName = "logger"
var loggerServerPid *Pid = nil
type makeFile struct{}
type loggerState struct {
out io.Writer
redirect bool
}
type LogLevel int
var logLevel LogLevel = 2
type logData struct {
pkg string
module string
line int
log string
}
func SetLogLevel(lv LogLevel) {
logLevel = lv
}
func SetLoggerOut(writer io.Writer) {
Cast(loggerServerPid, writer)
}
func DebugLog(format string, args ...interface{}) {
if logLevel < 2 {
var pkg string
_, file, line, ok := runtime.Caller(1)
if !ok {
file = "???"
pkg = "???"
line = 0
} else {
pkg, file = filepath.Split(file)
pkg = filepath.Base(pkg)
}
sendLog(pkg, file, line, format, args...)
}
}
func ErrorLog(format string, args ...interface{}) {
_, file, line, ok := runtime.Caller(1)
var pkg string
if !ok {
file = "???"
pkg = "???"
line = 0
} else {
pkg, file = filepath.Split(file)
pkg = filepath.Base(pkg)
}
sendLog(pkg, file, line, format, args...)
}
func UnHandleMsg(msg interface{}) {
var pkg string
_, file, line, ok := runtime.Caller(1)
if !ok {
file = "???"
pkg = "???"
line = 0
} else {
pkg, file = filepath.Split(file)
pkg = filepath.Base(pkg)
}
sendLog(pkg, file, line, "un handle msg : %#v", msg)
}
func startLogger() {
StartNameOpt(loggerName, loggerActor, ActorOpt(ActorChanCacheSize(10000)))
}
type logWrite struct {
logger *Pid
}
func (l *logWrite) Write(p []byte) (n int, err error) {
n = len(p)
// 考虑到上层逻辑可能会重用,这里copy
Cast(l.logger, bpool.NewBuf(p))
return
}
func LoggerWriter() io.Writer {
return &logWrite{logger: loggerServerPid}
}
var loggerActor = &Actor{
Init: func(context *Context, pid *Pid, args ...interface{}) interface{} {
ErrorLog("%s %s started", loggerName, pid)
addToKernelMap(pid)
startLogTimer(pid)
// 捕获go内置log信息
log.SetOutput(&logWrite{logger: pid})
state := initFile(&loggerState{out: nil})
if Env.LogPath != "" && (*loggerState)(state).out == nil {
os.Exit(789)
}
loggerServerPid = pid
return state
},
HandleCast: func(context *Context, msg interface{}) {
state := context.State.(*loggerState)
switch m := msg.(type) {
case *logData:
if state.out != nil {
writeLog(state.out, m)
}
case *bpool.Buff:
if state.out != nil {
_, _ = state.out.Write(m.ToBytes())
}
if Env.WriteLogStd {
_, _ = os.Stdout.Write(m.ToBytes())
}
m.Free()
case io.Writer:
state.out = m
state.redirect = true
case makeFile:
if !state.redirect {
context.State = initFile(state)
startLogTimer(context.Self())
}
}
},
HandleCall: func(context *Context, request interface{}) interface{} {
return nil
},
Terminate: func(context *Context, reason *Terminate) {
},
ErrorHandler: func(context *Context, err interface{}) bool {
return true
},
}
func initFile(logger *loggerState) *loggerState {
if logger.out != nil {
logger.out.(*os.File).Close()
}
logger.out = defaultWriter()
return logger
}
func startLogTimer(self *Pid) {
// 计算整点时间,用来更改文件名
t := time.Now()
_, min, sec := t.Clock()
less := hourMillisecond - (int64(min)*minMillisecond + int64(sec)*Millisecond)
SendAfter(TimerTypeOnce, self, less, makeFile{})
}
func sendLog(pkg, module string, line int, format string, args ...interface{}) () {
msg := &logData{pkg: pkg, module: module, line: line, log: fmt.Sprintf(format, args...)}
if loggerServerPid != nil {
Cast(loggerServerPid, msg)
} else if Env.LogPath != "" {
// if the logger not Start yet,write to the file native
logger := defaultWriter()
defer logger.Close()
writeLog(logger, msg)
}
if Env.WriteLogStd {
writeLog(os.Stdout, msg)
}
}
func writeLog(w io.Writer, data *logData) {
t := time.Now()
year, month, day := t.Date()
hour, min, sec := t.Clock()
_, _ = fmt.Fprintf(w, "\n%d-%d-%d %d:%02d:%02d [%s.%s:%d] %s\n",
year, month, day, hour, min, sec, data.pkg, data.module, data.line, data.log)
}
func defaultWriter() *os.File {
if Env.LogPath == "" {
return nil
}
t := time.Now()
year, month, day := t.Date()
hour, _, _ := t.Clock()
path := Env.LogPath + fmt.Sprintf("/%d_%d_%d", year, month, day)
file := path + fmt.Sprintf("/sy_%d_%d_%d___%02d.log", year, month, day, hour)
if _, err := os.Stat(path); err != nil {
_ = os.MkdirAll(path, os.ModeDir)
}
ioFile, err := os.OpenFile(file, os.O_APPEND|os.O_CREATE|os.O_RDWR, 0666)
if err != nil {
ErrorLog("cannot open file:%s", err.Error())
return nil
}
return ioFile
}