// The code in this event handler is essentially a trimmed down version
// of `MacOsNetworkInterface.ImplGetAllNetworkInterfaces()`, from:
// `mcs/class/System/System.Net.NetworkInformation/NetworkInterface.cs`
internal static List<NetInterfaceInfo> GetInterfaceInfo()
{
var netInterfaceInfos = new Dictionary<string, NetInterfaceInfo>();
IntPtr ifap;
if (getifaddrs(out ifap) != 0)
throw new SystemException("getifaddrs() failed");
try
{
IntPtr next = ifap;
while (next != IntPtr.Zero)
{
ifaddrs addr = (ifaddrs)Marshal.PtrToStructure(next, typeof(ifaddrs));
if (addr.ifa_addr != IntPtr.Zero && (((IFF)addr.ifa_flags & IFF.UP) != 0) &&
((((IFF)addr.ifa_flags) & IFF.LOOPBACK) == 0))
{
byte sa_family = ((sockaddr)Marshal.PtrToStructure(addr.ifa_addr, typeof(sockaddr))).sa_family;
NetInterfaceInfo info;
if (!(netInterfaceInfos.TryGetValue(addr.ifa_name, out info)))
{
info = new NetInterfaceInfo();
netInterfaceInfos.Add(addr.ifa_name, info);
}
if (sa_family == AF_INET)
{
info.Netmask =
new IPAddress(
((sockaddr_in)Marshal.PtrToStructure(addr.ifa_netmask, typeof(sockaddr_in)))
.sin_addr);
info.Address =
new IPAddress(
((sockaddr_in)Marshal.PtrToStructure(addr.ifa_addr, typeof(sockaddr_in))).sin_addr);
}
else if (sa_family == AF_LINK)
{
sockaddr_dl sockaddrdl = new sockaddr_dl();
sockaddrdl.Read(addr.ifa_addr);
info.MacAddress = new byte[(int)sockaddrdl.sdl_alen];
Array.Copy(sockaddrdl.sdl_data, sockaddrdl.sdl_nlen, info.MacAddress, 0,
Math.Min(info.MacAddress.Length, sockaddrdl.sdl_data.Length - sockaddrdl.sdl_nlen));
info.Index = sockaddrdl.sdl_index;
info.Type = sockaddrdl.sdl_type;
}
}
next = addr.ifa_next;
}
}
finally
{
freeifaddrs(ifap);
}
return netInterfaceInfos.Select(ni => ni.Value).ToList();
}
// The code in this event handler is essentially a trimmed down version
// of `MacOsNetworkInterface.ImplGetAllNetworkInterfaces()`, from:
// `mcs/class/System/System.Net.NetworkInformation/NetworkInterface.cs`
internal static List <NetInterfaceInfo> GetInterfaceInfo()
{
var netInterfaceInfos = new Dictionary <string, NetInterfaceInfo>();
IntPtr ifap;
if (getifaddrs(out ifap) != 0)
{
throw new SystemException("getifaddrs() failed");
}
try
{
IntPtr next = ifap;
while (next != IntPtr.Zero)
{
ifaddrs addr = (ifaddrs)Marshal.PtrToStructure(next, typeof(ifaddrs));
if (addr.ifa_addr != IntPtr.Zero && (((IFF)addr.ifa_flags & IFF.UP) != 0) &&
((((IFF)addr.ifa_flags) & IFF.LOOPBACK) == 0))
{
byte sa_family = ((sockaddr)Marshal.PtrToStructure(addr.ifa_addr, typeof(sockaddr))).sa_family;
NetInterfaceInfo info;
if (!(netInterfaceInfos.TryGetValue(addr.ifa_name, out info)))
{
info = new NetInterfaceInfo();
netInterfaceInfos.Add(addr.ifa_name, info);
}
if (sa_family == AF_INET)
{
info.Netmask =
new IPAddress(
((sockaddr_in)Marshal.PtrToStructure(addr.ifa_netmask, typeof(sockaddr_in)))
.sin_addr);
info.Address =
new IPAddress(
((sockaddr_in)Marshal.PtrToStructure(addr.ifa_addr, typeof(sockaddr_in))).sin_addr);
}
else if (sa_family == AF_LINK)
{
sockaddr_dl sockaddrdl = new sockaddr_dl();
sockaddrdl.Read(addr.ifa_addr);
info.MacAddress = new byte[(int)sockaddrdl.sdl_alen];
Array.Copy(sockaddrdl.sdl_data, sockaddrdl.sdl_nlen, info.MacAddress, 0,
Math.Min(info.MacAddress.Length, sockaddrdl.sdl_data.Length - sockaddrdl.sdl_nlen));
info.Index = sockaddrdl.sdl_index;
info.Type = sockaddrdl.sdl_type;
}
}
next = addr.ifa_next;
}
}
finally
{
freeifaddrs(ifap);
}
return(netInterfaceInfos.Select(ni => ni.Value).ToList());
}
