Exemple #1
0
// TODO: publish event
func (p *platform) Register(s *registry.Service, opts ...registry.RegisterOption) error {
	p.Lock()
	defer p.Unlock()

	if err := p.opts.Registry.Register(s, opts...); err != nil {
		return err
	}

	service := toProto(s)

	hb := &proto.Heartbeat{
		Id:       s.Nodes[0].Id,
		Service:  service,
		Interval: int64(p.opts.Interval.Seconds()),
		Ttl:      int64((p.opts.Interval.Seconds()) * 5),
	}

	p.heartbeats[hb.Id] = hb

	// now register
	return client.Publish(context.TODO(), client.NewPublication(WatchTopic, &proto.Result{
		Action:    "update",
		Service:   service,
		Timestamp: time.Now().Unix(),
	}))
}
Exemple #2
0
// TODO: publish event
func (p *platform) Deregister(s *registry.Service) error {
	p.Lock()
	defer p.Unlock()

	if err := p.opts.Registry.Deregister(s); err != nil {
		return err
	}

	delete(p.heartbeats, s.Nodes[0].Id)

	// now deregister
	return client.Publish(context.TODO(), client.NewPublication(WatchTopic, &proto.Result{
		Action:    "delete",
		Service:   toProto(s),
		Timestamp: time.Now().Unix(),
	}))
}
Exemple #3
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// publishes a message
func pub(i int) {
	msg := client.NewPublication("topic.go.micro.srv.example", &example.Message{
		Say: fmt.Sprintf("This is a publication %d", i),
	})

	// create context with metadata
	ctx := metadata.NewContext(context.Background(), map[string]string{
		"X-User-Id": "john",
		"X-From-Id": "script",
	})

	// publish message
	if err := client.Publish(ctx, msg); err != nil {
		fmt.Println("pub err: ", err)
		return
	}

	fmt.Printf("Published %d: %v\n", i, msg)
}
Exemple #4
0
// Publish a change
func Publish(ctx context.Context, ch *proto.WatchResponse) error {
	req := client.NewPublication(WatchTopic, ch)
	return client.Publish(ctx, req)
}