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IPConnectivity
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| // the order is important, if we want to support bitwise OR: IPv4 | IPv6 equals IPv4and6 | |
| public enum IpVersion | |
| { | |
| None, | |
| IPv4, | |
| IPv6, | |
| IPv4and6 | |
| } | |
| public async Task<IpVersion> GetCurrentIpVersion() | |
| { | |
| try | |
| { | |
| // resolves domain name to IP addresses (may contain several) | |
| var endPointPairs = await DatagramSocket.GetEndpointPairsAsync(new HostName("google.com"), "0"); | |
| if (endPointPairs == null) | |
| { | |
| return IpVersion.None; | |
| } | |
| // detect which IP version is supported | |
| var result = IpVersion.None; | |
| foreach (var endPoint in endPointPairs) | |
| { | |
| if (endPoint.RemoteHostName != null) | |
| { | |
| if (endPoint.RemoteHostName.Type == HostNameType.Ipv4) | |
| { | |
| result |= IpVersion.IPv4; | |
| } | |
| else if (endPoint.RemoteHostName.Type == HostNameType.Ipv6) | |
| { | |
| result |= IpVersion.IPv6; | |
| } | |
| } | |
| } | |
| return result; | |
| } | |
| catch | |
| { | |
| return IpVersion.None; | |
| } | |
| } |
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