internal static NetworkInterface[] GetNetworkInterfaces()
{
AddressFamily family = AddressFamily.Unspecified;
uint outBufLen = 0;
Interop.FIXED_INFO fixedInfo = HostInformationPal.GetFixedInfo();
List <SystemNetworkInterface> networkInterfaceList = new List <SystemNetworkInterface>();
Interop.GetAdaptersAddressesFlags adaptersAddressesFlags =
Interop.GetAdaptersAddressesFlags.IncludeWins | Interop.GetAdaptersAddressesFlags.IncludeGateways |
Interop.GetAdaptersAddressesFlags.IncludeAllInterfaces;
uint adaptersAddresses = Interop.GetAdaptersAddresses(family, (uint)adaptersAddressesFlags, IntPtr.Zero, SafeLocalAllocHandle.Zero, ref outBufLen);
while ((int)adaptersAddresses == 111)
{
SafeLocalAllocHandle adapterAddresses;
using (adapterAddresses = SafeLocalAllocHandle.LocalAlloc((int)outBufLen))
{
adaptersAddresses = Interop.GetAdaptersAddresses(family, (uint)adaptersAddressesFlags, IntPtr.Zero, adapterAddresses, ref outBufLen);
Interop.IpAdapterAddresses structure;
if ((int)adaptersAddresses == 0)
{
for (IntPtr ptr = adapterAddresses.DangerousGetHandle(); ptr != IntPtr.Zero; ptr = structure.next)
{
structure = Marshal.PtrToStructure <Interop.IpAdapterAddresses>(ptr);
var a = new SystemNetworkInterface(fixedInfo, structure);
networkInterfaceList.Add(a);
}
}
}
}
if ((int)adaptersAddresses == 232 || (int)adaptersAddresses == 87)
{
return((NetworkInterface[])Array.Empty <SystemNetworkInterface>());
}
if ((int)adaptersAddresses != 0)
{
throw new NetworkInformationException((int)adaptersAddresses);
}
return((NetworkInterface[])networkInterfaceList.ToArray());
}
/// Returns objects that describe the network interfaces on the local computer.
public static NetworkInterface[] GetAllNetworkInterfaces()
{
return(SystemNetworkInterface.GetNetworkInterfaces());
}
public static bool GetIsNetworkAvailable()
{
return(SystemNetworkInterface.InternalGetIsNetworkAvailable());
}
