Esempio n. 1
0
func (m *mdnsService) handleEntry(e *mdns.ServiceEntry) {
	mpeer, err := peer.IDB58Decode(e.Info)
	if err != nil {
		log.Warning("Error parsing peer ID from mdns entry: ", err)
		return
	}

	if mpeer == m.host.ID() {
		return
	}

	maddr, err := manet.FromNetAddr(&net.TCPAddr{
		IP:   e.AddrV4,
		Port: e.Port,
	})
	if err != nil {
		log.Warning("Error parsing multiaddr from mdns entry: ", err)
		return
	}

	pi := peer.PeerInfo{
		ID:    mpeer,
		Addrs: []ma.Multiaddr{maddr},
	}

	m.lk.Lock()
	for _, n := range m.notifees {
		n.HandlePeerFound(pi)
	}
	m.lk.Unlock()
}
Esempio n. 2
0
func Serve(node *core.IpfsNode, lis net.Listener, options ...ServeOption) error {
	handler, err := makeHandler(node, options...)
	if err != nil {
		return err
	}

	addr, err := manet.FromNetAddr(lis.Addr())
	if err != nil {
		return err
	}

	// if the server exits beforehand
	var serverError error
	serverExited := make(chan struct{})

	node.Children().Add(1)
	defer node.Children().Done()

	go func() {
		serverError = http.Serve(lis, handler)
		close(serverExited)
	}()

	// wait for server to exit.
	select {
	case <-serverExited:

	// if node being closed before server exits, close server
	case <-node.Closing():
		log.Infof("server at %s terminating...", addr)

		lis.Close()

	outer:
		for {
			// wait until server exits
			select {
			case <-serverExited:
				// if the server exited as we are closing, we really dont care about errors
				serverError = nil
				break outer
			case <-time.After(5 * time.Second):
				log.Infof("waiting for server at %s to terminate...", addr)
			}
		}
	}

	log.Infof("server at %s terminated", addr)
	return serverError
}
Esempio n. 3
0
func newSilentPeer(t *testing.T) (peer.ID, ma.Multiaddr, net.Listener) {
	dst := testutil.RandPeerIDFatal(t)
	lst, err := net.Listen("tcp", ":0")
	if err != nil {
		t.Fatal(err)
	}
	addr, err := manet.FromNetAddr(lst.Addr())
	if err != nil {
		t.Fatal(err)
	}
	addrs := []ma.Multiaddr{addr}
	addrs, err = addrutil.ResolveUnspecifiedAddresses(addrs, nil)
	if err != nil {
		t.Fatal(err)
	}
	t.Log("new silent peer:", dst, addrs[0])
	return dst, addrs[0], lst
}
Esempio n. 4
0
func (t *UtpTransport) newConn(addr ma.Multiaddr, opts ...DialOpt) (*UtpSocket, error) {
	network, netaddr, err := manet.DialArgs(addr)
	if err != nil {
		return nil, err
	}

	s, err := utp.NewSocket("udp"+network[3:], netaddr)
	if err != nil {
		return nil, err
	}

	laddr, err := manet.FromNetAddr(mautp.MakeAddr(s.LocalAddr()))
	if err != nil {
		return nil, err
	}

	return &UtpSocket{
		s:         s,
		laddr:     laddr,
		transport: t,
	}, nil
}