func usage() {
buf := new(bytes.Buffer)
flag.CommandLine.SetOutput(buf)
flag.PrintDefaults()
locale.Printf(locale.FlagUsage, app.Name, buf.String(), app.RepoURL, app.OfficialURL)
}
func main() {
tag, err := locale.Init()
if err != nil {
warn.Println(err)
info.Println("无法获取系统语言，使用默认的本化语言：", app.DefaultLocale)
tag, err = language.Parse(app.DefaultLocale)
if err != nil {
erro.Println(err)
return
}
}
locale.SetLocale(tag)
h := flag.Bool("h", false, locale.Sprintf(locale.FlagHUsage))
v := flag.Bool("v", false, locale.Sprintf(locale.FlagVUsage))
l := flag.Bool("l", false, locale.Sprintf(locale.FlagLUsage))
g := flag.Bool("g", false, locale.Sprintf(locale.FlagGUsage))
pprofType := flag.String("pprof", "", locale.Sprintf(locale.FlagPprofUsage))
flag.Usage = usage
flag.Parse()
switch {
case *h:
flag.Usage()
return
case *v:
locale.Printf(locale.FlagVersionBuildWith, app.Name, app.Version, runtime.Version())
return
case *l:
locale.Printf(locale.FlagSupportedLangs, input.Langs())
return
case *g:
path, err := getConfigFile()
if err != nil {
erro.Println(err)
return
}
if err = genConfigFile(path); err != nil {
erro.Println(err)
return
}
info.Println(locale.Sprintf(locale.FlagConfigWritedSuccess, path))
return
}
// 指定了 pprof 参数
if len(*pprofType) > 0 {
profile := filepath.Join("./", app.Profile)
f, err := os.Create(profile)
if err != nil { // 不能创建文件，则忽略 pprof 相关操作
warn.Println(err)
goto RUN
}
defer func() {
if err = f.Close(); err != nil {
erro.Println(err)
return
}
info.Println(locale.Sprintf(locale.FlagPprofWritedSuccess, profile))
}()
switch strings.ToLower(*pprofType) {
case "mem":
defer func() {
if err = pprof.Lookup("heap").WriteTo(f, 1); err != nil {
warn.Println(err)
}
}()
case "cpu":
if err := pprof.StartCPUProfile(f); err != nil {
warn.Println(err)
}
defer pprof.StopCPUProfile()
default:
erro.Println(locale.Sprintf(locale.FlagInvalidPprrof))
return
}
}
RUN:
run()
}