private static NetworkDetector.ConnectivityStatus CheckTcpConnectivity(Uri baseAddress, out Exception exception)
 {
     NetworkDetector.ConnectivityStatus connectivityStatu = NetworkDetector.ConnectivityStatus.Unavailable;
     exception = null;
     if (!RelayEnvironment.GetEnvironmentVariable("RELAYFORCEHTTP", false) && !RelayEnvironment.GetEnvironmentVariable("RELAYFORCEHTTPS", false))
     {
         try
         {
             BinaryMessageEncodingBindingElement binaryMessageEncodingBindingElement = new BinaryMessageEncodingBindingElement();
             TcpTransportBindingElement          tcpTransportBindingElement          = new TcpTransportBindingElement();
             tcpTransportBindingElement.ConnectionPoolSettings.MaxOutboundConnectionsPerEndpoint = 100;
             tcpTransportBindingElement.MaxReceivedMessageSize = (long)65536;
             CustomBinding customBinding = new CustomBinding();
             customBinding.Elements.Add(binaryMessageEncodingBindingElement);
             customBinding.Elements.Add(tcpTransportBindingElement);
             customBinding.OpenTimeout    = TimeSpan.FromSeconds(10);
             customBinding.SendTimeout    = TimeSpan.FromSeconds(10);
             customBinding.ReceiveTimeout = TimeSpan.MaxValue;
             int num = 9350;
             Uri uri = ServiceBusUriHelper.CreateServiceUri("net.tcp", string.Concat(baseAddress.DnsSafeHost, ":", num.ToString(CultureInfo.InvariantCulture)), "/");
             IChannelFactory <IDuplexSessionChannel> channelFactory = null;
             IDuplexSessionChannel duplexSessionChannel             = null;
             try
             {
                 channelFactory = customBinding.BuildChannelFactory <IDuplexSessionChannel>(new object[0]);
                 channelFactory.Open();
                 duplexSessionChannel = channelFactory.CreateChannel(new EndpointAddress(uri, new AddressHeader[0]));
                 duplexSessionChannel.Open();
                 Message message = Message.CreateMessage(MessageVersion.Default, "http://schemas.microsoft.com/netservices/2009/05/servicebus/connect/OnewayPing", new OnewayPingMessage());
                 duplexSessionChannel.Send(message, customBinding.SendTimeout);
                 duplexSessionChannel.Close();
                 duplexSessionChannel = null;
                 channelFactory.Close();
                 channelFactory = null;
             }
             finally
             {
                 if (duplexSessionChannel != null)
                 {
                     duplexSessionChannel.Abort();
                 }
                 if (channelFactory != null)
                 {
                     channelFactory.Abort();
                 }
             }
             connectivityStatu = NetworkDetector.ConnectivityStatus.Available;
         }
         catch (CommunicationException communicationException)
         {
             exception = communicationException;
         }
         catch (TimeoutException timeoutException)
         {
             exception = timeoutException;
         }
     }
     NetworkDetector.LogResult(baseAddress, "Tcp", connectivityStatu);
     return(connectivityStatu);
 }
 private static NetworkDetector.ConnectivityStatus CheckHttpWebStreamConnectivity(Uri baseAddress, out Exception exception)
 {
     NetworkDetector.ConnectivityStatus connectivityStatu = NetworkDetector.ConnectivityStatus.Unavailable;
     exception = null;
     if (!RelayEnvironment.GetEnvironmentVariable("RELAYFORCEHTTPS", false) && WebStream.IsSupportingScheme(ServiceBusUriHelper.CreateServiceUri("http", baseAddress.Authority, "/"), out exception))
     {
         connectivityStatu = NetworkDetector.ConnectivityStatus.Available;
     }
     NetworkDetector.LogResult(baseAddress, "Http WebStream", connectivityStatu);
     return(connectivityStatu);
 }