Ejemplo n.º 1
0
        public static bool ScanGrainBrains()
        {
            bool ret = false;

            var Client   = new UdpClient();
            var ServerEp = new IPEndPoint(IPAddress.Any, 8888);

            var raw = new byte[1024];
            NetworkDiscoveryRequest request = new NetworkDiscoveryRequest();

            request.Name = "NETWORK-DISCOVERY-MSG";

            var ms = new MemoryStream();

            request.WriteTo(ms);
            Client.EnableBroadcast = true;
            Client.Send(ms.GetBuffer(), (int)ms.Length, new IPEndPoint(IPAddress.Broadcast, 8888));

            var rawr = new byte[15000];
            var AsyncResponseData = Client.BeginReceive(null, null);
            int timeToWait        = 1000;

            AsyncResponseData.AsyncWaitHandle.WaitOne(timeToWait);
            if (AsyncResponseData.IsCompleted)
            {
                try
                {
                    byte[] receivedData = Client.EndReceive(AsyncResponseData, ref ServerEp);
                    //Receive(ref ServerEp);
                    var msr = new MemoryStream(receivedData);
                    NetworkDiscoveryReply reply = new NetworkDiscoveryReply();
                    reply.MergeDelimitedFrom(msr);
                    Console.Out.WriteLine("Grainbrain is found at {0}", ServerEp.Address);

                    ipAddr = ServerEp.Address;
                    ret    = true;
                    // EndReceive worked and we have received data and remote endpoint
                }
                catch (Exception ex)
                {
                    Console.WriteLine("Caught exception {0}", ex);
                    // EndReceive failed and we ended up here
                }
            }
            else
            {
                // The operation wasn't completed before the timeout and we're off the hook
            }


            Client.Close();

            if (ret)
            {
                updateStatus();
            }

            return(ret);
        }
Ejemplo n.º 2
0
        public static bool ScanGrainBrains()
        {
            bool ret = false;

            var Client = new UdpClient();
            var ServerEp = new IPEndPoint(IPAddress.Any, 8888);

            var raw = new byte[1024];
            NetworkDiscoveryRequest request = new NetworkDiscoveryRequest();
            request.Name = "NETWORK-DISCOVERY-MSG";

            var ms = new MemoryStream();
            request.WriteTo(ms);
            Client.EnableBroadcast = true;
            Client.Send(ms.GetBuffer(), (int)ms.Length, new IPEndPoint(IPAddress.Broadcast, 8888));

            var rawr = new byte[15000];
            var AsyncResponseData = Client.BeginReceive(null, null);
            int timeToWait = 1000;
            AsyncResponseData.AsyncWaitHandle.WaitOne(timeToWait);
            if (AsyncResponseData.IsCompleted)
            {
                try
                {
                    byte[] receivedData = Client.EndReceive(AsyncResponseData, ref ServerEp);
                    //Receive(ref ServerEp);
                    var msr = new MemoryStream(receivedData);
                    NetworkDiscoveryReply reply = new NetworkDiscoveryReply();
                    reply.MergeDelimitedFrom(msr);
                    Console.Out.WriteLine("Grainbrain is found at {0}", ServerEp.Address);

                    ipAddr = ServerEp.Address;
                    ret = true;
                    // EndReceive worked and we have received data and remote endpoint
                }
                catch (Exception ex)
                {
                    Console.WriteLine("Caught exception {0}", ex);
                    // EndReceive failed and we ended up here
                }
            }
            else
            {
                // The operation wasn't completed before the timeout and we're off the hook
            }


            Client.Close();

            if (ret)
                updateStatus();

            return ret;
        }