proxier.ipv4Proxier.OnServiceAdd(service)
	proxier.ipv6Proxier.OnServiceAdd(service)
}

// OnServiceUpdate is called whenever modification of an existing
// service object is observed.
func (proxier *metaProxier) OnServiceUpdate(oldService, service *v1.Service) {
	proxier.ipv4Proxier.OnServiceUpdate(oldService, service)
	proxier.ipv6Proxier.OnServiceUpdate(oldService, service)
}

// OnServiceDelete is called whenever deletion of an existing service

type ServiceHandler interface {
	// OnServiceAdd is called whenever creation of new service object
	// is observed.
	OnServiceAdd(service *v1.Service)
	// OnServiceUpdate is called whenever modification of an existing
	// service object is observed.
	OnServiceUpdate(oldService, service *v1.Service)
	// OnServiceDelete is called whenever deletion of an existing service
	// object is observed.
	OnServiceDelete(service *v1.Service)

}

func (*FakeProxier) Sync() {}
func (*FakeProxier) SyncLoop() {
	select {}
}
func (*FakeProxier) OnServiceAdd(service *v1.Service)                                 {}
func (*FakeProxier) OnServiceUpdate(oldService, service *v1.Service)                  {}
func (*FakeProxier) OnServiceDelete(service *v1.Service)                              {}
func (*FakeProxier) OnServiceSynced()                                                 {}

		c.queueEndpoints(obj)
	}
}

// onServiceUpdate queues a sync for the relevant Endpoints resource.
func (c *Controller) onServiceUpdate(prevObj, obj interface{}) {
	service := obj.(*v1.Service)
	prevService := prevObj.(*v1.Service)
	if service == nil || prevService == nil {
		utilruntime.HandleError(fmt.Errorf("onServiceUpdate() expected type v1.Service, got %T, %T", prevObj, obj))
		return
	}

		),
		workerLoopPeriod: time.Second,
	}

	serviceInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
		AddFunc: c.onServiceUpdate,
		UpdateFunc: func(old, cur interface{}) {
			c.onServiceUpdate(cur)
		},
		DeleteFunc: c.onServiceDelete,
	})
	c.serviceLister = serviceInformer.Lister()
	c.servicesSynced = serviceInformer.Informer().HasSynced

				Name: "endpoint",
			},
		),
		workerLoopPeriod: time.Second,
	}

	serviceInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
		AddFunc: e.onServiceUpdate,
		UpdateFunc: func(old, cur interface{}) {
			e.onServiceUpdate(cur)
		},
		DeleteFunc: e.onServiceDelete,
	})
	e.serviceLister = serviceInformer.Lister()
	e.servicesSynced = serviceInformer.Informer().HasSynced

// is observed.
func (proxier *Proxier) OnServiceAdd(service *v1.Service) {
	proxier.OnServiceUpdate(nil, service)
}

// OnServiceUpdate is called whenever modification of an existing
// service object is observed.
func (proxier *Proxier) OnServiceUpdate(oldService, service *v1.Service) {
	if proxier.serviceChanges.Update(oldService, service) && proxier.isInitialized() {
		proxier.Sync()

// is observed.
func (proxier *Proxier) OnServiceAdd(service *v1.Service) {
	proxier.OnServiceUpdate(nil, service)
}

// OnServiceUpdate is called whenever modification of an existing
// service object is observed.
func (proxier *Proxier) OnServiceUpdate(oldService, service *v1.Service) {
	if proxier.serviceChanges.Update(oldService, service) && proxier.isInitialized() {
		proxier.Sync()

	h.lock.Lock()
	defer h.lock.Unlock()
	namespacedName := types.NamespacedName{Namespace: service.Namespace, Name: service.Name}
	h.state[namespacedName] = service
	h.sendServices()
}

func (h *ServiceHandlerMock) OnServiceUpdate(oldService, service *v1.Service) {
	h.lock.Lock()
	defer h.lock.Unlock()
	namespacedName := types.NamespacedName{Namespace: service.Namespace, Name: service.Name}
	h.state[namespacedName] = service
	h.sendServices()
}

// is observed.
func (proxier *Proxier) OnServiceAdd(service *v1.Service) {
	proxier.OnServiceUpdate(nil, service)
}

// OnServiceUpdate is called whenever modification of an existing
// service object is observed.
func (proxier *Proxier) OnServiceUpdate(oldService, service *v1.Service) {
	if proxier.serviceChanges.Update(oldService, service) && proxier.isInitialized() {
		proxier.Sync()