public static NetworkInterface[] ImplGetAllNetworkInterfaces()
{
Dictionary <string, MacOsNetworkInterface> dictionary = new Dictionary <string, MacOsNetworkInterface>();
IntPtr intPtr;
if (MacOsNetworkInterface.getifaddrs(out intPtr) != 0)
{
throw new SystemException("getifaddrs() failed");
}
try
{
IntPtr intPtr2 = intPtr;
while (intPtr2 != IntPtr.Zero)
{
ifaddrs ifaddrs = (ifaddrs)Marshal.PtrToStructure(intPtr2, typeof(ifaddrs));
IPAddress ipaddress = IPAddress.None;
string ifa_name = ifaddrs.ifa_name;
int index = -1;
byte[] array = null;
NetworkInterfaceType networkInterfaceType = NetworkInterfaceType.Unknown;
if (ifaddrs.ifa_addr != IntPtr.Zero)
{
sockaddr sockaddr = (sockaddr)Marshal.PtrToStructure(ifaddrs.ifa_addr, typeof(sockaddr));
if (sockaddr.sa_family == 30)
{
sockaddr_in6 sockaddr_in = (sockaddr_in6)Marshal.PtrToStructure(ifaddrs.ifa_addr, typeof(sockaddr_in6));
ipaddress = new IPAddress(sockaddr_in.sin6_addr.u6_addr8, (long)((ulong)sockaddr_in.sin6_scope_id));
}
else if (sockaddr.sa_family == 2)
{
ipaddress = new IPAddress((long)((ulong)((sockaddr_in)Marshal.PtrToStructure(ifaddrs.ifa_addr, typeof(sockaddr_in))).sin_addr));
}
else if (sockaddr.sa_family == 18)
{
sockaddr_dl sockaddr_dl = (sockaddr_dl)Marshal.PtrToStructure(ifaddrs.ifa_addr, typeof(sockaddr_dl));
array = new byte[(int)sockaddr_dl.sdl_alen];
Array.Copy(sockaddr_dl.sdl_data, (int)sockaddr_dl.sdl_nlen, array, 0, Math.Min(array.Length, sockaddr_dl.sdl_data.Length - (int)sockaddr_dl.sdl_nlen));
index = (int)sockaddr_dl.sdl_index;
int sdl_type = (int)sockaddr_dl.sdl_type;
if (Enum.IsDefined(typeof(MacOsArpHardware), sdl_type))
{
MacOsArpHardware macOsArpHardware = (MacOsArpHardware)sdl_type;
switch (macOsArpHardware)
{
case MacOsArpHardware.PPP:
networkInterfaceType = NetworkInterfaceType.Ppp;
break;
case MacOsArpHardware.LOOPBACK:
networkInterfaceType = NetworkInterfaceType.Loopback;
array = null;
break;
default:
if (macOsArpHardware != MacOsArpHardware.ETHER)
{
if (macOsArpHardware != MacOsArpHardware.FDDI)
{
if (macOsArpHardware == MacOsArpHardware.ATM)
{
networkInterfaceType = NetworkInterfaceType.Atm;
}
}
else
{
networkInterfaceType = NetworkInterfaceType.Fddi;
}
}
else
{
networkInterfaceType = NetworkInterfaceType.Ethernet;
}
break;
case MacOsArpHardware.SLIP:
networkInterfaceType = NetworkInterfaceType.Slip;
break;
}
}
}
}
MacOsNetworkInterface macOsNetworkInterface = null;
if (!dictionary.TryGetValue(ifa_name, out macOsNetworkInterface))
{
macOsNetworkInterface = new MacOsNetworkInterface(ifa_name);
dictionary.Add(ifa_name, macOsNetworkInterface);
}
if (!ipaddress.Equals(IPAddress.None))
{
macOsNetworkInterface.AddAddress(ipaddress);
}
if (array != null || networkInterfaceType == NetworkInterfaceType.Loopback)
{
macOsNetworkInterface.SetLinkLayerInfo(index, array, networkInterfaceType);
}
intPtr2 = ifaddrs.ifa_next;
}
}
finally
{
MacOsNetworkInterface.freeifaddrs(intPtr);
}
NetworkInterface[] array2 = new NetworkInterface[dictionary.Count];
int num = 0;
foreach (NetworkInterface networkInterface in dictionary.Values)
{
array2[num] = networkInterface;
num++;
}
return(array2);
}
