Exemplo n.º 1
0
// TODO: connectAsync()
func (ro *Route) connect() error {
	var netconn net.Conn
	var err error

	for i := 0; i < routeConnectRetries; i++ {
		netconn, err = net.Dial("tcp", ro.addr)
		if err == nil {
			break
		}

		log.Debug(err)
		waitBackoff(i)
	}
	if err != nil {
		// TODO: Cancel all queue if we give up reconnecting
		return err
	}

	log.Debug("Connected to", netconn.RemoteAddr())
	ro.conn = newConn(netconn)
	ro.closed = make(chan struct{})
	ro.exited = make(chan struct{})

	go ro.send()
	go ro.recv()

	return nil
}
Exemplo n.º 2
0
func test(n int, dom *goa.Domain) {
	bind, err := dom.Bind("com.bar")
	if err != nil {
		panic(err)
	}

	payld := []byte("ping" + strconv.Itoa(n))
	rsp2 := "pong" + string(payld)
	for {
		req := bind.NewRequest(payld)
		// XXX req.SetTimeout(time.Second)
		if err := req.Send(); err != nil {
			panic(err)
		}
		log.Debug("SEND ", string(payld))

		rsp, err := req.Recv()
		if err != nil {
			panic(err)
		}

		if rsp2 != string(rsp) {
			panic("bad request")
		}

		log.Debug("RECV ", string(rsp))
		atomic.AddUint64(&cntr, 1)
	}
}
Exemplo n.º 3
0
func (d *Domain) Announce(service string, handler func([]byte, uint64) ([]byte, uint64)) error {
	lis, err := net.Listen("tcp", ":8000")
	if err != nil {
		return err
	}

	//
	// TODO: Optimize with batching like the client side, with two goroutines
	//       The define callback can do whatever the user wants, to send the
	//       request to a worker pool through a channel o handle it directly on the
	//       goroutine that receive the messages.
	//

	go func() {
		for {
			netconn, err := lis.Accept()
			if err != nil {
				log.Debug(err)
			}
			log.Debug("Connection accepted from", netconn.RemoteAddr())

			conn := newConn(netconn)
			go func() {
				reqs := make([]*Request, 0, maxBatchLen)
				for {
					reqs = reqs[:0:cap(reqs)]
					for i := 0; i < maxBatchLen; i++ {
						payld, seq, err := conn.recv()
						if err != nil {
							log.Debug(err)
							Exit()
						}
						log.Debug("RECV(", seq, ") ", string(payld))

						payld, seq = handler(payld, seq)

						req := newRequest(payld, seq)

						reqs = append(reqs, req)
					}

					if err := conn.sendBatch(reqs); err != nil {
						log.Debug(err)
					}
				}
			}()
		}
	}()

	return nil
}