public static NetworkInterface [] ImplGetAllNetworkInterfaces () { var interfaces = new Dictionary <string, MacOsNetworkInterface> (); IntPtr ifap; if (getifaddrs (out ifap) != 0) throw new SystemException ("getifaddrs() failed"); try { IntPtr next = ifap; while (next != IntPtr.Zero) { MacOsStructs.ifaddrs addr = (MacOsStructs.ifaddrs) Marshal.PtrToStructure (next, typeof (MacOsStructs.ifaddrs)); IPAddress address = IPAddress.None; string name = addr.ifa_name; int index = -1; byte[] macAddress = null; NetworkInterfaceType type = NetworkInterfaceType.Unknown; if (addr.ifa_addr != IntPtr.Zero) { // optain IPAddress MacOsStructs.sockaddr sockaddr = (MacOsStructs.sockaddr) Marshal.PtrToStructure (addr.ifa_addr, typeof (MacOsStructs.sockaddr)); if (sockaddr.sa_family == AF_INET6) { MacOsStructs.sockaddr_in6 sockaddr6 = (MacOsStructs.sockaddr_in6) Marshal.PtrToStructure (addr.ifa_addr, typeof (MacOsStructs.sockaddr_in6)); address = new IPAddress (sockaddr6.sin6_addr.u6_addr8, sockaddr6.sin6_scope_id); } else if (sockaddr.sa_family == AF_INET) { MacOsStructs.sockaddr_in sockaddrin = (MacOsStructs.sockaddr_in) Marshal.PtrToStructure (addr.ifa_addr, typeof (MacOsStructs.sockaddr_in)); address = new IPAddress (sockaddrin.sin_addr); } else if (sockaddr.sa_family == AF_LINK) { MacOsStructs.sockaddr_dl sockaddrdl = new MacOsStructs.sockaddr_dl (); sockaddrdl.Read (addr.ifa_addr); macAddress = new byte [(int) sockaddrdl.sdl_alen]; // copy mac address from sdl_data field starting at last index pos of interface name into array macaddress, starting // at index 0 Array.Copy (sockaddrdl.sdl_data, sockaddrdl.sdl_nlen, macAddress, 0, Math.Min (macAddress.Length, sockaddrdl.sdl_data.Length - sockaddrdl.sdl_nlen)); index = sockaddrdl.sdl_index; int hwtype = (int) sockaddrdl.sdl_type; if (Enum.IsDefined (typeof (MacOsArpHardware), hwtype)) { switch ((MacOsArpHardware) hwtype) { case MacOsArpHardware.ETHER: type = NetworkInterfaceType.Ethernet; break; case MacOsArpHardware.ATM: type = NetworkInterfaceType.Atm; break; case MacOsArpHardware.SLIP: type = NetworkInterfaceType.Slip; break; case MacOsArpHardware.PPP: type = NetworkInterfaceType.Ppp; break; case MacOsArpHardware.LOOPBACK: type = NetworkInterfaceType.Loopback; macAddress = null; break; case MacOsArpHardware.FDDI: type = NetworkInterfaceType.Fddi; break; } } } } MacOsNetworkInterface iface = null; // create interface if not already present if (!interfaces.TryGetValue (name, out iface)) { iface = new MacOsNetworkInterface (name, addr.ifa_flags); interfaces.Add (name, iface); } // if a new address has been found, add it if (!address.Equals (IPAddress.None)) iface.AddAddress (address); // set link layer info, if iface has macaddress or is loopback device if (macAddress != null || type == NetworkInterfaceType.Loopback) iface.SetLinkLayerInfo (index, macAddress, type); next = addr.ifa_next; } } finally { freeifaddrs (ifap); } NetworkInterface [] result = new NetworkInterface [interfaces.Count]; int x = 0; foreach (NetworkInterface thisInterface in interfaces.Values) { result [x] = thisInterface; x++; } return result; }
public static NetworkInterface [] ImplGetAllNetworkInterfaces() { var interfaces = new Dictionary <string, NetworkInterface> (); IntPtr ifap; if (getifaddrs(out ifap) != 0) { throw new SystemException("getifaddrs() failed"); } try { IntPtr next = ifap; while (next != IntPtr.Zero) { MacOsStructs.ifaddrs addr = (MacOsStructs.ifaddrs)Marshal.PtrToStructure(next, typeof(MacOsStructs.ifaddrs)); IPAddress address = IPAddress.None; string name = addr.ifa_name; int index = -1; byte[] macAddress = null; NetworkInterfaceType type = NetworkInterfaceType.Unknown; if (addr.ifa_addr != IntPtr.Zero) { MacOsStructs.sockaddr sockaddr = (MacOsStructs.sockaddr)Marshal.PtrToStructure(addr.ifa_addr, typeof(MacOsStructs.sockaddr)); if (sockaddr.sa_family == AF_INET6) { MacOsStructs.sockaddr_in6 sockaddr6 = (MacOsStructs.sockaddr_in6)Marshal.PtrToStructure(addr.ifa_addr, typeof(MacOsStructs.sockaddr_in6)); address = new IPAddress(sockaddr6.sin6_addr.u6_addr8, sockaddr6.sin6_scope_id); } else if (sockaddr.sa_family == AF_INET) { MacOsStructs.sockaddr_in sockaddrin = (MacOsStructs.sockaddr_in)Marshal.PtrToStructure(addr.ifa_addr, typeof(MacOsStructs.sockaddr_in)); address = new IPAddress(sockaddrin.sin_addr); } else if (sockaddr.sa_family == AF_LINK) { MacOsStructs.sockaddr_dl sockaddrdl = (MacOsStructs.sockaddr_dl)Marshal.PtrToStructure(addr.ifa_addr, typeof(MacOsStructs.sockaddr_dl)); macAddress = new byte [(int)sockaddrdl.sdl_alen]; Array.Copy(sockaddrdl.sdl_data, sockaddrdl.sdl_nlen, macAddress, 0, Math.Min(macAddress.Length, sockaddrdl.sdl_data.Length - sockaddrdl.sdl_nlen)); index = sockaddrdl.sdl_index; int hwtype = (int)sockaddrdl.sdl_type; if (Enum.IsDefined(typeof(MacOsArpHardware), hwtype)) { switch ((MacOsArpHardware)hwtype) { case MacOsArpHardware.ETHER: type = NetworkInterfaceType.Ethernet; break; case MacOsArpHardware.ATM: type = NetworkInterfaceType.Atm; break; case MacOsArpHardware.SLIP: type = NetworkInterfaceType.Slip; break; case MacOsArpHardware.PPP: type = NetworkInterfaceType.Ppp; break; case MacOsArpHardware.LOOPBACK: type = NetworkInterfaceType.Loopback; macAddress = null; break; case MacOsArpHardware.FDDI: type = NetworkInterfaceType.Fddi; break; } } } } NetworkInterface iface = null; if (!interfaces.TryGetValue(name, out iface)) { iface = new NetworkInterface(name); interfaces.Add(name, iface); } if (!address.Equals(IPAddress.None)) { iface.AddAddress(address); } if (macAddress != null || type == NetworkInterfaceType.Loopback) { iface.SetLinkLayerInfo(index, macAddress, type); } next = addr.ifa_next; } } finally { freeifaddrs(ifap); } NetworkInterface [] result = new NetworkInterface [interfaces.Count]; int x = 0; foreach (NetworkInterface thisInterface in interfaces.Values) { result [x] = thisInterface; x++; } return(result); }