func NewEventFromBBS(bbsEvent models.Event) (receptor.Event, error) {
switch bbsEvent := bbsEvent.(type) {
case *models.ActualLRPCreatedEvent:
actualLRP, evacuating := bbsEvent.ActualLrpGroup.Resolve()
return receptor.NewActualLRPCreatedEvent(serialization.ActualLRPProtoToResponse(actualLRP, evacuating)), nil
case *models.ActualLRPChangedEvent:
before, evacuating := bbsEvent.Before.Resolve()
after, evacuating := bbsEvent.After.Resolve()
return receptor.NewActualLRPChangedEvent(
serialization.ActualLRPProtoToResponse(before, evacuating),
serialization.ActualLRPProtoToResponse(after, evacuating),
), nil
case *models.ActualLRPRemovedEvent:
actualLRP, evacuating := bbsEvent.ActualLrpGroup.Resolve()
return receptor.NewActualLRPRemovedEvent(serialization.ActualLRPProtoToResponse(actualLRP, evacuating)), nil
case *models.DesiredLRPCreatedEvent:
return receptor.NewDesiredLRPCreatedEvent(serialization.DesiredLRPProtoToResponse(bbsEvent.DesiredLrp)), nil
case *models.DesiredLRPChangedEvent:
return receptor.NewDesiredLRPChangedEvent(
serialization.DesiredLRPProtoToResponse(bbsEvent.Before),
serialization.DesiredLRPProtoToResponse(bbsEvent.After),
), nil
case *models.DesiredLRPRemovedEvent:
return receptor.NewDesiredLRPRemovedEvent(serialization.DesiredLRPProtoToResponse(bbsEvent.DesiredLrp)), nil
}
return nil, fmt.Errorf("unknown event type: %#v", bbsEvent)
}
func (w *watcher) watchActual(logger lager.Logger) (chan<- bool, <-chan error) {
return w.bbs.WatchForActualLRPChanges(logger,
func(created models.ActualLRP, evacuating bool) {
logger.Debug("handling-actual-create")
w.hub.Emit(receptor.NewActualLRPCreatedEvent(serialization.ActualLRPToResponse(created, evacuating)))
},
func(changed models.ActualLRPChange, evacuating bool) {
logger.Debug("handling-actual-change")
w.hub.Emit(receptor.NewActualLRPChangedEvent(
serialization.ActualLRPToResponse(changed.Before, evacuating),
serialization.ActualLRPToResponse(changed.After, evacuating),
))
},
func(deleted models.ActualLRP, evacuating bool) {
logger.Debug("handling-actual-delete")
w.hub.Emit(receptor.NewActualLRPRemovedEvent(serialization.ActualLRPToResponse(deleted, evacuating)))
})
}
It("returns the event", func() {
event, err := eventSource.Next()
Expect(err).NotTo(HaveOccurred())
actualLRPCreatedEvent, ok := event.(receptor.ActualLRPCreatedEvent)
Expect(ok).To(BeTrue())
Expect(actualLRPCreatedEvent).To(Equal(expectedEvent))
})
})
Context("when receiving a ActualLRPChangedEvent", func() {
var expectedEvent receptor.ActualLRPChangedEvent
BeforeEach(func() {
expectedEvent = receptor.NewActualLRPChangedEvent(
actualLRPResponse,
actualLRPResponse,
)
payload, err := json.Marshal(expectedEvent)
Expect(err).NotTo(HaveOccurred())
fakeRawEventSource.NextReturns(
sse.Event{
ID: "sup",
Name: string(expectedEvent.EventType()),
Data: payload,
},
nil,
)
})
It("returns the event", func() {