/// <summary>
/// Builds a lookup table for the local network adapters.
/// </summary>
/// <returns>The created lookup table.</returns>
public static IPLookupTable CreateLocal()
{
IPLookupTable result = new IPLookupTable();
NetworkInterface[] adapters = NetworkInterface.GetAllNetworkInterfaces();
foreach (IPInterfaceProperties adapter in adapters.Where(x => x.NetworkInterfaceType != NetworkInterfaceType.Loopback).Select(x => x.GetIPProperties()))
{
string ipv4 = adapter.UnicastAddresses.FirstOrDefault(x => x.Address.AddressFamily == AddressFamily.InterNetwork).Address.ToString();
string ipv6 = adapter.UnicastAddresses.FirstOrDefault(x => x.Address.AddressFamily == AddressFamily.InterNetworkV6).Address.ToString();
result.Add(ipv4, ipv6);
}
return(result);
}
private static async Task <string?> GetLocalIPv6Async(bool recurse)
{
string?ip = await GetAsync(IPv6LocalRetriever, TryGetLocalV6Async).ConfigureAwait(false);
if (ip != null)
{
return(ip);
}
if (recurse)
{
string?ip4 = await GetLocalIPv4Async(false).ConfigureAwait(false);
if (ip4 != null)
{
return(IPLookupTable.CreateLocal().GetIPv6(ip4));
}
}
return(IPLookupTable.CreateLocal().GetIPv6Addresses().FirstOrDefault());
}
private static string?GetLocalIPv6(bool recurse)
{
string?ip = Get(IPv6LocalRetriever, TryGetLocalV6);
if (ip != null)
{
return(ip);
}
if (recurse)
{
string?ip4 = GetLocalIPv4(false);
if (ip4 != null)
{
return(IPLookupTable.CreateLocal().GetIPv6(ip4));
}
}
return(IPLookupTable.CreateLocal().GetIPv6Addresses().FirstOrDefault());
}
/// <summary> /// Gets the local IPv6 addresses synchronously. /// </summary> /// <returns>Local IPv6 addresses that can be found.</returns> public static string[] GetLocalIPv6s() => IPLookupTable.CreateLocal().GetIPv6Addresses();
