func ExampleListen() {
ln, err := reuseport.Listen("tcp4", "localhost:12345")
if err != nil {
log.Fatalf("error in reuseport listener: %s", err)
}
if err = fasthttp.Serve(ln, requestHandler); err != nil {
log.Fatalf("error in fasthttp Server: %s", err)
}
}
func getListener() net.Listener {
if !*prefork {
ln, err := net.Listen("tcp4", *addr)
if err != nil {
log.Fatal(err)
}
return ln
}
if !*child {
children := make([]*exec.Cmd, runtime.NumCPU())
for i := range children {
if *affinity {
children[i] = exec.Command(os.Args[0], "-prefork", "-child")
} else {
children[i] = exec.Command("taskset", "-c", fmt.Sprintf("%d", i), os.Args[0], "-prefork", "-child")
}
children[i].Stdout = os.Stdout
children[i].Stderr = os.Stderr
if err := children[i].Start(); err != nil {
log.Fatal(err)
}
}
for _, ch := range children {
if err := ch.Wait(); err != nil {
log.Print(err)
}
}
os.Exit(0)
panic("unreachable")
}
runtime.GOMAXPROCS(1)
ln, err := reuseport.Listen("tcp4", *addr)
if err != nil {
log.Fatal(err)
}
return ln
}
func GetListener() net.Listener {
if !*Prefork {
runtime.GOMAXPROCS(runtime.NumCPU())
ln, err := net.Listen("tcp4", *listenAddr)
if err != nil {
log.Fatal(err)
}
return ln
}
if !*child {
children := make([]*exec.Cmd, runtime.NumCPU())
for i := range children {
children[i] = exec.Command(os.Args[0], "-prefork", "-child")
children[i].Stdout = os.Stdout
children[i].Stderr = os.Stderr
if err := children[i].Start(); err != nil {
log.Fatal(err)
}
}
for _, ch := range children {
if err := ch.Wait(); err != nil {
log.Print(err)
}
}
os.Exit(0)
panic("unreachable")
}
runtime.GOMAXPROCS(1)
ln, err := reuseport.Listen("tcp4", *listenAddr)
if err != nil {
log.Fatal(err)
}
return ln
}
func Boot() {
// Create Router
r := echo.New()
// Route it!
route(r)
// Setup
r.Use(middleware.CORSWithConfig(middleware.DefaultCORSConfig))
r.Use(middleware.Recover())
// Build port string from config
port := fmt.Sprint(":" + strconv.Itoa(config.SharedConfig.ServerPort))
logger.Info("Starting Server...")
logger.Info("Go to http://127.0.0.1" + port + "/")
if config.SharedConfig.ReusePort {
// Start up the server
listener, err := reuseport.Listen("tcp4", port)
if err == nil {
config := engine.Config{
Address: port,
Listener: listener,
}
r.Run(fasthttp.WithConfig(config))
} else {
logger.Error("Could not listen on 127.0.0.1" + port)
}
} else {
r.Run(fasthttp.New(port))
}
}
