func main() {
var handler func(*config.Config, []string) error
cfg := &config.Config{}
if err := cfg.Load(flagConfig); err != nil {
fmt.Println("Error: " + err.Error())
os.Exit(1)
}
if len(flag.Args()) == 0 {
utils.PrintUsage(os.Stderr, cmdUsage)
}
switch flag.Args()[0] {
case "reload", "support":
handler = handleService
default:
utils.PrintUsage(os.Stderr, cmdUsage)
os.Exit(1)
}
err := handler(cfg, flag.Args())
if err == os.ErrInvalid {
utils.PrintUsage(os.Stderr, cmdUsage)
} else if err != nil {
fmt.Fprintln(os.Stderr, "Error: "+err.Error())
}
}
func init() {
flag.StringVar(&flagConfig, "c", config.DefaultConfigFile, "configuration file path")
flag.IntVar(&flagDebug, "d", 0, "debugging level")
flag.BoolVar(&flagHelp, "h", false, "display this help and exit")
flag.BoolVar(&flagVersion, "V", false, "display software version and exit")
flag.Usage = func() { utils.PrintUsage(os.Stderr, cmdUsage) }
flag.Parse()
if flagHelp {
utils.PrintUsage(os.Stdout, cmdUsage)
} else if flagVersion {
utils.PrintVersion(version)
os.Exit(0)
} else if flagConfig == "" {
fmt.Fprintf(os.Stderr, "Error: configuration file path is mandatory\n")
utils.PrintUsage(os.Stderr, cmdUsage)
}
}
func init() {
flag.StringVar(&flagConfig, "c", config.DefaultConfigFile, "configuration file path")
flag.BoolVar(&flagHelp, "h", false, "display this help and exit")
flag.StringVar(&flagLog, "l", config.DefaultLogFile, "log file path")
flag.StringVar(&flagLogLevel, "L", config.DefaultLogLevel, "logging level")
flag.BoolVar(&flagVersion, "V", false, "display software version and exit")
flag.Usage = func() { utils.PrintUsage(os.Stderr, cmdUsage) }
flag.Parse()
if flagHelp {
utils.PrintUsage(os.Stdout, cmdUsage)
} else if flagVersion {
utils.PrintVersion(version)
os.Exit(0)
} else if flagConfig == "" {
fmt.Fprintf(os.Stderr, "Error: configuration file path is mandatory\n")
utils.PrintUsage(os.Stderr, cmdUsage)
}
if logLevel, err = logger.GetLevelByName(flagLogLevel); err != nil {
fmt.Fprintf(os.Stderr, "Error: invalid log level `%s'\n", flagLogLevel)
os.Exit(1)
}
}