예제 #1
0
// Quit terminates the XMPP conversation so that new jobs stop arriving.
func (x *XMPP) Quit() {
	// Signal to KeepXMPPAlive.
	close(x.quit)
	select {
	case <-x.dead:
		// Wait for XMPP to die.
	case <-time.After(3 * time.Second):
		// But not too long.
		log.Error("XMPP taking a while to close, so giving up")
	}
}
예제 #2
0
// keepXMPPAlive restarts XMPP when it fails.
func (x *XMPP) keepXMPPAlive() {
	for {
		select {
		case <-x.dead:
			log.Error("XMPP conversation died; restarting")
			if err := x.startXMPP(); err != nil {
				for err != nil {
					log.Errorf("XMPP restart failed, will try again in 10s: %s", err)
					time.Sleep(10 * time.Second)
					err = x.startXMPP()
				}
				log.Error("XMPP conversation restarted successfully")
			}

		case <-x.quit:
			// Close XMPP.
			x.ix.Quit()
			return
		}
	}
}
func (pm *PrinterManager) syncPrintersPeriodically(interval time.Duration) {
	go func() {
		t := time.NewTimer(interval)
		defer t.Stop()

		for {
			select {
			case <-t.C:
				if err := pm.syncPrinters(false); err != nil {
					log.Error(err)
				}
				t.Reset(interval)

			case <-pm.quit:
				return
			}
		}
	}()
}