AddPollInSocket() public method

Add the given socket and Action to this Poller's collection of socket/actions.
socket and callback must not be null. The socket must not have already been added to this poller. This poller must not have already been disposed.
public AddPollInSocket ( [ socket, [ callback ) : void
socket [ the Socket to add
callback [ the Action to add
return void
Poller Class Documentation
Exemplo n.º 1
0
        static void Main(string[] args)
        {
            using (var context = NetMQContext.Create())
            using (var udpSocket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp))
            using (var poller = new Poller())
            {
                // Ask OS to let us do broadcasts from socket
                udpSocket.SetSocketOption(SocketOptionLevel.Udp, SocketOptionName.Broadcast, 1);

                // Bind UDP socket to local port so we can receive pings
                udpSocket.Bind(new IPEndPoint(IPAddress.Any, PingPortNumber));

                // We use zmq_poll to wait for activity on the UDP socket, because
                // this function works on non-0MQ file handles. We send a beacon
                // once a second, and we collect and report beacons that come in
                // from other nodes:

                poller.AddPollInSocket(udpSocket, socket => { });
                poller.PollTillCancelledNonBlocking();
                //poller.ad
                //var poller = new z
                //var pollItemsList = new List<ZPollItem>();
                //pollItemsList.Add(new ZPollItem(ZPoll.In));
                //var pollItem = ZPollItem.CreateReceiver();
                //ZMessage message;
                //ZError error;
                //pollItem.ReceiveMessage(udpSocket, out message, out error);
                //pollItem.ReceiveMessage = (ZSocket socket, out ZMessage message, out ZError error) =>

                // Send first ping right away

            }
        }
Exemplo n.º 2
0
            private void Configure([NotNull] string interfaceName, int port)
            {
                // In case the beacon was configured twice
                if (m_udpSocket != null)
                {
                    m_poller.RemovePollInSocket(m_udpSocket);
                    m_udpSocket.Close();
                }

                m_udpPort   = port;
                m_udpSocket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);

                m_poller.AddPollInSocket(m_udpSocket, OnUdpReady);

                // Ask operating system for broadcast permissions on socket
                m_udpSocket.EnableBroadcast = true;

                // Allow multiple owners to bind to socket; incoming
                // messages will replicate to each owner
                m_udpSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);

                IPAddress bindTo = null;
                IPAddress sendTo = null;

                if (interfaceName == "*")
                {
                    bindTo = IPAddress.Any;
                    sendTo = IPAddress.Broadcast;
                }
                else
                {
                    var interfaceCollection = new InterfaceCollection();

                    var interfaceAddress = !string.IsNullOrEmpty(interfaceName)
                        ? IPAddress.Parse(interfaceName)
                        : null;

                    foreach (var @interface in interfaceCollection)
                    {
                        if (interfaceAddress == null || @interface.Address.Equals(interfaceAddress))
                        {
                            sendTo = @interface.BroadcastAddress;
                            bindTo = @interface.Address;
                            break;
                        }
                    }
                }

                if (bindTo != null)
                {
                    m_broadcastAddress = new IPEndPoint(sendTo, m_udpPort);
                    m_udpSocket.Bind(new IPEndPoint(bindTo, m_udpPort));

                    string hostname = "";

                    try
                    {
                        if (!IPAddress.Any.Equals(bindTo) && !IPAddress.IPv6Any.Equals(bindTo))
                        {
                            var host = Dns.GetHostEntry(bindTo);
                            hostname = host != null ? host.HostName : "";
                        }
                    }
                    catch (Exception)
                    {}

                    m_pipe.Send(hostname);
                }
            }