public static InternalConnectivityMode DetectInternalConnectivityModeForHttp(Uri uri)
{
if (NetworkDetector.httpWebStreamConnectivityStatus == 3 && NetworkDetector.httpsWebSocketConnectivityStatus == 3 && NetworkDetector.httpsWebStreamConnectivityStatus == 3)
{
NetworkDetector.Reset();
}
Exception[] exceptionArray = new Exception[3];
if (NetworkDetector.IsHttpsWebSocketConnectivityAvailable(uri, out exceptionArray[0]))
{
return(InternalConnectivityMode.HttpsWebSocket);
}
if (NetworkDetector.IsHttpWebStreamConnectivityAvailable(uri, out exceptionArray[1]))
{
return(InternalConnectivityMode.Http);
}
if (!NetworkDetector.IsHttpsWebStreamConnectivityAvailable(uri, out exceptionArray[2]))
{
Exception[] array = (
from e in (IEnumerable <Exception>)exceptionArray
where e != null
select e).ToArray <Exception>();
CultureInfo invariantCulture = CultureInfo.InvariantCulture;
object[] host = new object[] { uri.Host };
string str = string.Format(invariantCulture, "Unable to reach {0} HTTP (80, 443)", host);
if ((int)array.Length <= 0)
{
throw Fx.Exception.AsError(new CommunicationException(str), null);
}
throw Fx.Exception.AsError(new CommunicationException(str, new AggregateException(array)), null);
}
return(InternalConnectivityMode.Https);
}
public static ConnectivityMode DetectConnectivityModeForAutoDetect(Uri uri)
{
if (NetworkDetector.tcpConnectivityStatus == 3 && NetworkDetector.httpConnectivityStatus == 3)
{
NetworkDetector.Reset();
}
Exception[] exceptionArray = new Exception[2];
if (NetworkDetector.IsNetTcpConnectivityAvailable(uri, out exceptionArray[0]))
{
return(ConnectivityMode.Tcp);
}
if (!NetworkDetector.IsHttpConnectivityAvailable(uri, out exceptionArray[1]))
{
Exception[] array = (
from e in (IEnumerable <Exception>)exceptionArray
where e != null
select e).ToArray <Exception>();
string reach = SRClient.UnableToReach(uri.Host, 9351, 9352);
if ((int)array.Length <= 0)
{
throw Fx.Exception.AsError(new CommunicationException(reach), null);
}
throw Fx.Exception.AsError(new CommunicationException(reach, new AggregateException(array)), null);
}
return(ConnectivityMode.Http);
}
static NetworkDetector()
{
NetworkChange.NetworkAvailabilityChanged += new NetworkAvailabilityChangedEventHandler((object o, NetworkAvailabilityEventArgs ea) => NetworkDetector.Reset());
NetworkChange.NetworkAddressChanged += new NetworkAddressChangedEventHandler((object o, EventArgs ea) => NetworkDetector.Reset());
}
