Esempio n. 1
0
// Listens for connections and starts a proton.Engine for each one.
func (b *broker) run() error {
	listener, err := net.Listen("tcp", *addr)
	if err != nil {
		return err
	}
	defer listener.Close()
	fmt.Printf("Listening on %s\n", listener.Addr())
	for {
		conn, err := listener.Accept()
		if err != nil {
			util.Debugf("Accept error: %v", err)
			continue
		}
		adapter := proton.NewMessagingAdapter(newHandler(&b.queues))
		// We want to accept messages when they are enqueued, not just when they
		// are received, so we turn off auto-accept and prefetch by the adapter.
		adapter.Prefetch = 0
		adapter.AutoAccept = false
		engine, err := proton.NewEngine(conn, adapter)
		if err != nil {
			util.Debugf("Connection error: %v", err)
			continue
		}
		engine.Server() // Enable server-side protocol negotiation.
		util.Debugf("Accepted connection %s", engine)
		go func() { // Start goroutine to run the engine event loop
			engine.Run()
			util.Debugf("Closed %s", engine)
		}()
	}
}
Esempio n. 2
0
func newHandler(c *connection) *handler {
	h := &handler{
		connection:   c,
		links:        make(map[proton.Link]Endpoint),
		sentMessages: make(map[proton.Delivery]sentMessage),
		sessions:     make(map[proton.Session]*session),
	}
	h.delegator = proton.NewMessagingAdapter(h)
	// Disable auto features of MessagingAdapter, we do these ourselves.
	h.delegator.Prefetch = 0
	h.delegator.AutoAccept = false
	h.delegator.AutoSettle = false
	h.delegator.AutoOpen = false
	return h
}