System.Net.Sockets.Tests.DualModeConnectionlessSendToAsync.DualModeSendToAsync_IPEndPointToHost_Helper C# (CSharp) Метод

        private void DualModeSendToAsync_IPEndPointToHost_Helper(IPAddress connectTo, IPAddress listenOn, bool dualModeServer, bool expectedToTimeout = false)
        {
            int port;
            Socket client = new Socket(SocketType.Dgram, ProtocolType.Udp);
            using (SocketUdpServer server = new SocketUdpServer(_log, listenOn, dualModeServer, out port))
            {
                // Send a few packets, in case they aren't delivered reliably.
                for (int i = 0; i < (expectedToTimeout ? 1 : TestSettings.UDPRedundancy); i++)
                {
                    using (ManualResetEvent waitHandle = new ManualResetEvent(false))
                    {
                        SocketAsyncEventArgs args = new SocketAsyncEventArgs();
                        args.RemoteEndPoint = new IPEndPoint(connectTo, port);
                        args.SetBuffer(new byte[1], 0, 1);
                        args.UserToken = waitHandle;
                        args.Completed += AsyncCompleted;

                        bool async = client.SendToAsync(args);
                        if (async)
                        {
                            Assert.True(waitHandle.WaitOne(TestSettings.PassingTestTimeout), "Timeout while waiting for connection");
                        }

                        Assert.Equal(1, args.BytesTransferred);
                        if (args.SocketError != SocketError.Success)
                        {
                            throw new SocketException((int)args.SocketError);
                        }
                    }
                }

                bool success = server.WaitHandle.WaitOne(expectedToTimeout ? TestSettings.FailingTestTimeout : TestSettings.PassingTestTimeout); // Make sure the bytes were received
                if (!success)
                {
                    throw new TimeoutException();
                }
            }
        }