func main() {
mux1 := mux.NewRouter()
mux1.HandleFunc("/hello", handler).
Methods("GET")
srv := endless.NewServer("localhost:4244", mux1)
srv.SignalHooks[endless.PRE_SIGNAL][syscall.SIGUSR1] = append(
srv.SignalHooks[endless.PRE_SIGNAL][syscall.SIGUSR1],
preSigUsr1)
srv.SignalHooks[endless.POST_SIGNAL][syscall.SIGUSR1] = append(
srv.SignalHooks[endless.POST_SIGNAL][syscall.SIGUSR1],
postSigUsr1)
err := srv.ListenAndServe()
if err != nil {
log.Println(err)
}
log.Println("Server on 4244 stopped")
os.Exit(0)
}
// Start will start the service. You must call Configure first.
func (server *GenericServer) Start() (chan error, error) {
sys := server.Sys
done := make(chan error)
ready := make(chan bool)
endless.DefaultHammerTime = ginHammerTime
ginServer := endless.NewServer(server.Sys.BindTo, server.router)
ginServer.BeforeBegin = func(_ string) {
server.pid = syscall.Getpid()
//log.Printf("Actual pid is %d", server.pid)
sys.BindTo = ginServer.EndlessListener.Addr().(*net.TCPAddr).String()
ready <- true
}
go func() {
err := ginServer.ListenAndServe()
done <- err
}()
<-ready
err := sys.WaitForServiceByAddress(sys.Name, sys.BindTo)
if err != nil {
return nil, err
}
log.Printf("Server %s started on %s (%s)", sys.Name, sys.Address, sys.BindTo)
sys.AddService(sys.Name, sys.BindTo)
return done, nil
}
func listenAndServer(log log15.Logger, addr string, handler http.Handler) error {
conf, err := config.GetConfig()
if err != nil {
return err
}
conf.Endless.DefaultHammerTime = strings.TrimSpace(conf.Endless.DefaultHammerTime)
if conf.Endless.DefaultHammerTime != "" {
duration, err := time.ParseDuration(conf.Endless.DefaultHammerTime)
if err == nil {
endless.DefaultHammerTime = duration
} else {
log.Error("Bad format", log15.Ctx{"module": "Endless", "DefaultHammerTime": conf.Endless.DefaultHammerTime, "error": err})
}
}
var terminated int32
srv := endless.NewServer(addr, handler)
preHookFunc := func() {
atomic.StoreInt32(&terminated, 1)
}
srv.RegisterSignalHook(endless.PRE_SIGNAL, syscall.SIGHUP, preHookFunc)
srv.RegisterSignalHook(endless.PRE_SIGNAL, syscall.SIGINT, preHookFunc)
srv.RegisterSignalHook(endless.PRE_SIGNAL, syscall.SIGTERM, preHookFunc)
log.Info("Launching server")
err = srv.ListenAndServe()
if atomic.LoadInt32(&terminated) == 0 {
if err != nil {
log.Error("During startup, error has occurred", "error", err)
}
return err
} else {
log.Info("Server is going to shutdown")
return nil
}
}