package main import ( "flag" "log" "os" "os/signal" "path" "syscall" ) func init() { log.SetOutput(os.Stdout) } var verbose bool func main() { configFile := flag.String("config", "", "path to configuration file") flag.BoolVar(&verbose, "verbose", false, "print request and response information") flag.Parse() if *configFile == "" { homedir, err := os.UserHomeDir() if err == nil && homedir != "" { *configFile = path.Join(homedir, ".config", "twins", "config.yaml") } } sig := make(chan os.Signal, 1) signal.Notify(sig, syscall.SIGHUP) go func() { for { <-sig err := readconfig(*configFile) if err != nil { log.Fatalf("failed to reload configuration file at %s: %v", *configFile, err) } log.Println("configuration reloaded successfully") } }() err := readconfig(*configFile) if err != nil { log.Fatalf("failed to read configuration file at %s: %v\nSee CONFIGURATION.md for information on configuring twins", *configFile, err) } log.Printf("twins running on %s:%d", config.hostname, config.port) listen(config.Listen) }