func main() {
defer func() {
log.Message("Exit.")
time.Sleep(time.Second)
}()
log.Message("Starting...")
hostname, err := os.Hostname()
if err != nil {
log.Error(err)
return
}
n := node.New(*region, hostname)
n.ErrHandler = node.ErrHandler
n.Bind("Stop", node.Stop)
n.Bind("Restart", node.Restart)
// n.Bind("Shell", ExecShell)
// n.Bind("PHP", ExecPHP)
if err := n.Start(*uri, *buri); err != nil {
log.Error(err)
return
}
defer n.Close()
go func() {
n.Wait()
signal.Send(os.Getpid(), os.Interrupt)
}()
// signal handler
sh := signal.NewHandler()
sh.Bind(os.Interrupt, func() bool { return true })
sh.Loop()
}
func main() {
// prepare the configuration
config, err := InitConfig()
if err != nil {
log.Error(err)
return
}
// make PID file
if config.Pid != "" {
p, err := pid.New(config.Pid)
if err != nil {
log.Error(err)
return
}
defer p.Close()
}
log.Message("Starting...")
if config.Ca != "" || config.Cert != "" || config.Key != "" {
log.Messagef("Setting TLS (CA=%s; Cert=%s; Key=%s)...", config.Ca, config.Cert, config.Key)
}
g, err := gleam.New(config.Etcd, config.Script, config.Cert, config.Key, config.Ca)
if err != nil {
log.Error(err)
return
}
defer g.Close()
g.ErrHandler = func(err error) {
log.Error(err)
}
log.Messagef("Watching(Name = %s)...", config.Name)
g.WatchNode(config.Name)
for _, r := range config.Region {
log.Messagef("Watching(Region = %s)...", r)
g.WatchRegion(r)
}
go g.Serve()
// signal handler
sh := signal.NewHandler()
sh.Bind(os.Interrupt, func() bool { return true })
go func() {
g.Wait()
if err := signal.Send(os.Getpid(), os.Interrupt); err != nil {
panic(err)
}
}()
sh.Loop()
log.Message("Exit!")
}
func main() {
defer func() {
log.Message("Exit.")
time.Sleep(time.Microsecond * 100)
}()
log.Message("Starting...")
http.HandleFunc("/wechat", echo)
go func() {
log.Messagef("Bind to [%s]", *addr)
if err := http.ListenAndServe(*addr, nil); err != nil {
log.Error(err)
signal.Send(os.Getpid(), os.Interrupt)
}
}()
// signal handler
sh := signal.NewHandler()
sh.Bind(os.Interrupt, func() bool { return true })
sh.Loop()
}
func main() {
signal.Bind(syscall.SIGUSR1, func() uint {
fmt.Println("SIGUSR1 handler #1")
return signal.Continue
})
signal.Bind(syscall.SIGUSR1, func() uint {
fmt.Println("SIGUSR1 handler #2")
return signal.Break
})
// Because the previous handler returns `Break` permanently,
// this handler will never be excuted.
signal.Bind(syscall.SIGUSR1, func() uint {
fmt.Println("SIGUSR1 handler #3")
return signal.Continue
})
// Bind and Unbind
handler := signal.Bind(syscall.SIGUSR1, func() uint {
fmt.Println("SIGUSR1 handler #4")
return signal.Continue
})
handler.Unbind()
// Another alternative way is:
// signal.Unbind(syscall.SIGUSR1, handler.Id)
signal.Bind(syscall.SIGINT, func() uint { return signal.BreakExit })
// Stop automatically after 2 minutes
go func() {
time.Sleep(time.Second * 120)
if err := signal.Send(os.Getpid(), os.Interrupt); err != nil {
fmt.Println(err)
}
}()
// Block here
s := signal.Wait()
fmt.Printf("Exit by signal: %s\n", s)
}
func Stop() {
if err := signal.Send(os.Getpid(), os.Interrupt); err != nil {
_err(err)
}
}