// start a service with ctrl+c signal notify
func Start(s Service) {
signalChan := make(chan os.Signal)
sName := reflect.TypeOf(s).String()
// notify exit signal
signal.Notify(signalChan, syscall.SIGINT, syscall.SIGTERM)
log.Debug("Start|%s", sName)
// start
s.Start()
<-signalChan
s.Stop()
WrapWait() // wait global wait group
log.Debug("Stop|%s", sName)
}
// wrap a function in global wait group
func (w *WaitGroup) Wrap(funName string, fn func()) {
w.Add(1)
go func() {
t := time.Now()
fn()
w.Done()
log.Debug("%s|%.1fms|%d", funName, time.Since(t).Seconds()*1000, runtime.NumGoroutine())
// exit goroutine
runtime.Goexit()
}()
}
// call an action
func Call(fn Func, param interface{}) *Result {
name := funcName(fn)
log.Debug("Action|Call|%s", name)
if len(a.before[name]) > 0 {
for _, b := range a.before[name] {
b(¶m)
}
}
result := fn(param)
if len(a.after[name]) > 0 {
for _, af := range a.after[name] {
af(result, ¶m)
}
}
if !result.Status {
log.Warn("Action|Call|%s|%s", name, result.Error)
}
return result
}