936 lines
27 KiB
C#
936 lines
27 KiB
C#
//
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// System.Net.NetworkInformation.NetworkInterface
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//
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// Authors:
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// Gonzalo Paniagua Javier (gonzalo@novell.com)
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// Atsushi Enomoto (atsushi@ximian.com)
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// Miguel de Icaza (miguel@novell.com)
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// Eric Butler (eric@extremeboredom.net)
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// Marek Habersack (mhabersack@novell.com)
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// Marek Safar (marek.safar@gmail.com)
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//
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// Copyright (c) 2006-2008 Novell, Inc. (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Collections.Generic;
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using System.Collections;
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using System.Net;
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using System.Net.Sockets;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.IO;
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using System.Globalization;
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namespace System.Net.NetworkInformation {
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static class SystemNetworkInterface {
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static readonly NetworkInterfaceFactory nif = NetworkInterfaceFactory.Create ();
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public static NetworkInterface [] GetNetworkInterfaces ()
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{
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try {
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return nif.GetAllNetworkInterfaces ();
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} catch {
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return new NetworkInterface [0];
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}
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}
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public static bool InternalGetIsNetworkAvailable ()
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{
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// TODO:
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return true;
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}
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public static int InternalLoopbackInterfaceIndex {
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get {
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return nif.GetLoopbackInterfaceIndex ();
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}
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}
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public static int InternalIPv6LoopbackInterfaceIndex {
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get {
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throw new NotImplementedException ();
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}
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}
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public static IPAddress GetNetMask (IPAddress address)
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{
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return nif.GetNetMask (address);
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}
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}
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abstract class NetworkInterfaceFactory
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{
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internal abstract class UnixNetworkInterfaceAPI : NetworkInterfaceFactory
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{
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#if ORBIS
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public static int if_nametoindex(string ifname)
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{
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throw new PlatformNotSupportedException ();
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}
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protected static int getifaddrs (out IntPtr ifap)
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{
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throw new PlatformNotSupportedException ();
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}
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protected static void freeifaddrs (IntPtr ifap)
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{
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throw new PlatformNotSupportedException ();
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}
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#else
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[DllImport("libc")]
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public static extern int if_nametoindex(string ifname);
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[DllImport ("libc")]
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protected static extern int getifaddrs (out IntPtr ifap);
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[DllImport ("libc")]
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protected static extern void freeifaddrs (IntPtr ifap);
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#endif
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}
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class MacOsNetworkInterfaceAPI : UnixNetworkInterfaceAPI
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{
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const int AF_INET = 2;
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const int AF_INET6 = 30;
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const int AF_LINK = 18;
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public override NetworkInterface [] GetAllNetworkInterfaces ()
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{
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var interfaces = new Dictionary <string, MacOsNetworkInterface> ();
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IntPtr ifap;
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if (getifaddrs (out ifap) != 0)
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throw new SystemException ("getifaddrs() failed");
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try {
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IntPtr next = ifap;
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while (next != IntPtr.Zero) {
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MacOsStructs.ifaddrs addr = (MacOsStructs.ifaddrs) Marshal.PtrToStructure (next, typeof (MacOsStructs.ifaddrs));
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IPAddress address = IPAddress.None;
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string name = addr.ifa_name;
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int index = -1;
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byte[] macAddress = null;
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NetworkInterfaceType type = NetworkInterfaceType.Unknown;
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if (addr.ifa_addr != IntPtr.Zero) {
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// optain IPAddress
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MacOsStructs.sockaddr sockaddr = (MacOsStructs.sockaddr) Marshal.PtrToStructure (addr.ifa_addr, typeof (MacOsStructs.sockaddr));
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if (sockaddr.sa_family == AF_INET6) {
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MacOsStructs.sockaddr_in6 sockaddr6 = (MacOsStructs.sockaddr_in6) Marshal.PtrToStructure (addr.ifa_addr, typeof (MacOsStructs.sockaddr_in6));
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address = new IPAddress (sockaddr6.sin6_addr.u6_addr8, sockaddr6.sin6_scope_id);
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} else if (sockaddr.sa_family == AF_INET) {
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MacOsStructs.sockaddr_in sockaddrin = (MacOsStructs.sockaddr_in) Marshal.PtrToStructure (addr.ifa_addr, typeof (MacOsStructs.sockaddr_in));
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address = new IPAddress (sockaddrin.sin_addr);
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} else if (sockaddr.sa_family == AF_LINK) {
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MacOsStructs.sockaddr_dl sockaddrdl = new MacOsStructs.sockaddr_dl ();
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sockaddrdl.Read (addr.ifa_addr);
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macAddress = new byte [(int) sockaddrdl.sdl_alen];
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// copy mac address from sdl_data field starting at last index pos of interface name into array macaddress, starting
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// at index 0
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Array.Copy (sockaddrdl.sdl_data, sockaddrdl.sdl_nlen, macAddress, 0, Math.Min (macAddress.Length, sockaddrdl.sdl_data.Length - sockaddrdl.sdl_nlen));
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index = sockaddrdl.sdl_index;
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int hwtype = (int) sockaddrdl.sdl_type;
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if (Enum.IsDefined (typeof (MacOsArpHardware), hwtype)) {
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switch ((MacOsArpHardware) hwtype) {
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case MacOsArpHardware.ETHER:
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type = NetworkInterfaceType.Ethernet;
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break;
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case MacOsArpHardware.ATM:
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type = NetworkInterfaceType.Atm;
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break;
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case MacOsArpHardware.SLIP:
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type = NetworkInterfaceType.Slip;
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break;
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case MacOsArpHardware.PPP:
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type = NetworkInterfaceType.Ppp;
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break;
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case MacOsArpHardware.LOOPBACK:
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type = NetworkInterfaceType.Loopback;
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macAddress = null;
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break;
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case MacOsArpHardware.FDDI:
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type = NetworkInterfaceType.Fddi;
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break;
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}
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}
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}
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}
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MacOsNetworkInterface iface = null;
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// create interface if not already present
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if (!interfaces.TryGetValue (name, out iface)) {
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iface = new MacOsNetworkInterface (name, addr.ifa_flags);
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interfaces.Add (name, iface);
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}
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// if a new address has been found, add it
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if (!address.Equals (IPAddress.None))
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iface.AddAddress (address);
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// set link layer info, if iface has macaddress or is loopback device
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if (macAddress != null || type == NetworkInterfaceType.Loopback)
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iface.SetLinkLayerInfo (index, macAddress, type);
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next = addr.ifa_next;
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}
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} finally {
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freeifaddrs (ifap);
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}
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NetworkInterface [] result = new NetworkInterface [interfaces.Count];
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int x = 0;
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foreach (NetworkInterface thisInterface in interfaces.Values) {
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result [x] = thisInterface;
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x++;
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}
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return result;
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}
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public override int GetLoopbackInterfaceIndex ()
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{
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return if_nametoindex ("lo0");
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}
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public override IPAddress GetNetMask (IPAddress address)
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{
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IntPtr ifap;
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if (getifaddrs (out ifap) != 0)
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throw new SystemException ("getifaddrs() failed");
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try {
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IntPtr next = ifap;
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while (next != IntPtr.Zero) {
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MacOsStructs.ifaddrs addr = (MacOsStructs.ifaddrs) Marshal.PtrToStructure (next, typeof (MacOsStructs.ifaddrs));
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if (addr.ifa_addr != IntPtr.Zero) {
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// optain IPAddress
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MacOsStructs.sockaddr sockaddr = (MacOsStructs.sockaddr) Marshal.PtrToStructure (addr.ifa_addr, typeof (MacOsStructs.sockaddr));
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if (sockaddr.sa_family == AF_INET) {
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MacOsStructs.sockaddr_in sockaddrin = (MacOsStructs.sockaddr_in) Marshal.PtrToStructure (addr.ifa_addr, typeof (MacOsStructs.sockaddr_in));
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var saddress = new IPAddress (sockaddrin.sin_addr);
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if (address.Equals (saddress))
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return new IPAddress(((sockaddr_in)Marshal.PtrToStructure(addr.ifa_netmask, typeof(sockaddr_in))).sin_addr);
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}
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}
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next = addr.ifa_next;
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}
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} finally {
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freeifaddrs (ifap);
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}
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return null;
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}
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}
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class LinuxNetworkInterfaceAPI : UnixNetworkInterfaceAPI
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{
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const int AF_INET = 2;
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const int AF_INET6 = 10;
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const int AF_PACKET = 17;
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static void FreeInterfaceAddresses (IntPtr ifap)
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{
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#if MONODROID
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AndroidPlatform.FreeInterfaceAddresses (ifap);
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#else
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freeifaddrs (ifap);
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#endif
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}
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static int GetInterfaceAddresses (out IntPtr ifap)
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{
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#if MONODROID
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return AndroidPlatform.GetInterfaceAddresses (out ifap);
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#else
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return getifaddrs (out ifap);
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#endif
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}
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public override NetworkInterface [] GetAllNetworkInterfaces ()
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{
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var interfaces = new Dictionary <string, LinuxNetworkInterface> ();
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IntPtr ifap;
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if (GetInterfaceAddresses (out ifap) != 0)
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throw new SystemException ("getifaddrs() failed");
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try {
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IntPtr next = ifap;
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while (next != IntPtr.Zero) {
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ifaddrs addr = (ifaddrs) Marshal.PtrToStructure (next, typeof (ifaddrs));
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IPAddress address = IPAddress.None;
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string name = addr.ifa_name;
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int index = -1;
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byte[] macAddress = null;
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NetworkInterfaceType type = NetworkInterfaceType.Unknown;
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int nullNameCount = 0;
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if (addr.ifa_addr != IntPtr.Zero) {
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sockaddr_in sockaddr = (sockaddr_in) Marshal.PtrToStructure (addr.ifa_addr, typeof (sockaddr_in));
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if (sockaddr.sin_family == AF_INET6) {
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sockaddr_in6 sockaddr6 = (sockaddr_in6) Marshal.PtrToStructure (addr.ifa_addr, typeof (sockaddr_in6));
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address = new IPAddress (sockaddr6.sin6_addr.u6_addr8, sockaddr6.sin6_scope_id);
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} else if (sockaddr.sin_family == AF_INET) {
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address = new IPAddress (sockaddr.sin_addr);
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} else if (sockaddr.sin_family == AF_PACKET) {
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sockaddr_ll sockaddrll = (sockaddr_ll) Marshal.PtrToStructure (addr.ifa_addr, typeof (sockaddr_ll));
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if (((int)sockaddrll.sll_halen) > sockaddrll.sll_addr.Length){
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next = addr.ifa_next;
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continue;
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}
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macAddress = new byte [(int) sockaddrll.sll_halen];
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Array.Copy (sockaddrll.sll_addr, 0, macAddress, 0, macAddress.Length);
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index = sockaddrll.sll_ifindex;
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int hwtype = (int)sockaddrll.sll_hatype;
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if (Enum.IsDefined (typeof (LinuxArpHardware), hwtype)) {
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switch ((LinuxArpHardware)hwtype) {
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case LinuxArpHardware.EETHER:
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goto case LinuxArpHardware.ETHER;
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case LinuxArpHardware.ETHER:
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type = NetworkInterfaceType.Ethernet;
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break;
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case LinuxArpHardware.PRONET:
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type = NetworkInterfaceType.TokenRing;
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break;
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case LinuxArpHardware.ATM:
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type = NetworkInterfaceType.Atm;
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break;
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case LinuxArpHardware.SLIP:
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case LinuxArpHardware.CSLIP:
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case LinuxArpHardware.SLIP6:
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case LinuxArpHardware.CSLIP6:
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type = NetworkInterfaceType.Slip;
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break;
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case LinuxArpHardware.PPP:
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type = NetworkInterfaceType.Ppp;
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break;
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case LinuxArpHardware.LOOPBACK:
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type = NetworkInterfaceType.Loopback;
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macAddress = null;
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break;
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case LinuxArpHardware.FDDI:
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type = NetworkInterfaceType.Fddi;
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break;
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case LinuxArpHardware.SIT:
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case LinuxArpHardware.IPDDP:
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case LinuxArpHardware.IPGRE:
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case LinuxArpHardware.IP6GRE:
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case LinuxArpHardware.TUNNEL6:
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case LinuxArpHardware.TUNNEL:
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type = NetworkInterfaceType.Tunnel;
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break;
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}
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}
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}
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}
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LinuxNetworkInterface iface = null;
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if (String.IsNullOrEmpty (name))
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name = "\0" + (++nullNameCount).ToString ();
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if (!interfaces.TryGetValue (name, out iface)) {
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iface = new LinuxNetworkInterface (name);
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interfaces.Add (name, iface);
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}
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if (!address.Equals (IPAddress.None))
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iface.AddAddress (address);
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if (macAddress != null || type == NetworkInterfaceType.Loopback) {
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if (type == NetworkInterfaceType.Ethernet) {
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if (Directory.Exists(iface.IfacePath + "wireless")) {
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type = NetworkInterfaceType.Wireless80211;
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}
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}
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iface.SetLinkLayerInfo (index, macAddress, type);
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}
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next = addr.ifa_next;
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}
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} finally {
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FreeInterfaceAddresses (ifap);
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}
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NetworkInterface [] result = new NetworkInterface [interfaces.Count];
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int x = 0;
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foreach (NetworkInterface thisInterface in interfaces.Values) {
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result [x] = thisInterface;
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x++;
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}
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return result;
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}
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public override int GetLoopbackInterfaceIndex ()
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{
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return if_nametoindex ("lo");
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}
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public override IPAddress GetNetMask (IPAddress address)
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{
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foreach (ifaddrs networkInteface in GetNetworkInterfaces()) {
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if (networkInteface.ifa_addr == IntPtr.Zero)
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continue;
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var sockaddr = (sockaddr_in)Marshal.PtrToStructure(networkInteface.ifa_addr, typeof(sockaddr_in));
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if (sockaddr.sin_family != AF_INET)
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continue;
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if (!address.Equals(new IPAddress(sockaddr.sin_addr)))
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continue;
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var netmask = (sockaddr_in)Marshal.PtrToStructure(networkInteface.ifa_netmask, typeof(sockaddr_in));
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return new IPAddress(netmask.sin_addr);
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}
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return null;
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}
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private static IEnumerable<ifaddrs> GetNetworkInterfaces()
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{
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IntPtr ifap = IntPtr.Zero;
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try {
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if (GetInterfaceAddresses(out ifap) != 0)
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yield break;
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var next = ifap;
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while (next != IntPtr.Zero) {
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var addr = (ifaddrs)Marshal.PtrToStructure(next, typeof(ifaddrs));
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yield return addr;
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next = addr.ifa_next;
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}
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} finally {
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if (ifap != IntPtr.Zero)
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FreeInterfaceAddresses(ifap);
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}
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}
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}
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#if WIN_PLATFORM
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class Win32NetworkInterfaceAPI : NetworkInterfaceFactory
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{
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private const string IPHLPAPI = "iphlpapi.dll";
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|
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[DllImport (IPHLPAPI, SetLastError = true)]
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static extern int GetAdaptersAddresses (uint family, uint flags, IntPtr reserved, IntPtr info, ref int size);
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[DllImport (IPHLPAPI)]
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static extern uint GetBestInterfaceEx (byte[] ipAddress, out int index);
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static Win32_IP_ADAPTER_ADDRESSES [] GetAdaptersAddresses ()
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{
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IntPtr ptr = IntPtr.Zero;
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int len = 0;
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GetAdaptersAddresses (0, 0, IntPtr.Zero, ptr, ref len);
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ptr = Marshal.AllocHGlobal(len);
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int ret = GetAdaptersAddresses (0, 0, IntPtr.Zero, ptr, ref len);
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if (ret != 0)
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throw new NetworkInformationException (ret);
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List<Win32_IP_ADAPTER_ADDRESSES> l = new List<Win32_IP_ADAPTER_ADDRESSES> ();
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Win32_IP_ADAPTER_ADDRESSES info;
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for (IntPtr p = ptr; p != IntPtr.Zero; p = info.Next) {
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info = Marshal.PtrToStructure<Win32_IP_ADAPTER_ADDRESSES> (p);
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l.Add (info);
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}
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return l.ToArray ();
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}
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public override NetworkInterface [] GetAllNetworkInterfaces ()
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{
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// Win32_IP_ADAPTER_INFO [] ai = GetAdaptersInfo ();
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Win32_IP_ADAPTER_ADDRESSES [] aa = GetAdaptersAddresses ();
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NetworkInterface [] ret = new NetworkInterface [aa.Length];
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for (int i = 0; i < ret.Length; i++)
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ret [i] = new Win32NetworkInterface2 (aa [i]);
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return ret;
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}
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|
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private static int GetBestInterfaceForAddress (IPAddress addr) {
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int index;
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SocketAddress address = new SocketAddress (addr);
|
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int error = (int) GetBestInterfaceEx (address.m_Buffer, out index);
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if (error != 0) {
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throw new NetworkInformationException (error);
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}
|
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return index;
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}
|
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|
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public override int GetLoopbackInterfaceIndex ()
|
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{
|
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return GetBestInterfaceForAddress (IPAddress.Loopback);
|
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}
|
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|
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public override IPAddress GetNetMask (IPAddress address)
|
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{
|
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throw new NotImplementedException ();
|
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}
|
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}
|
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#endif
|
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|
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public abstract NetworkInterface [] GetAllNetworkInterfaces ();
|
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public abstract int GetLoopbackInterfaceIndex ();
|
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public abstract IPAddress GetNetMask (IPAddress address);
|
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|
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public static NetworkInterfaceFactory Create ()
|
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{
|
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#if MONOTOUCH || XAMMAC
|
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return new MacOsNetworkInterfaceAPI ();
|
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#else
|
|
bool runningOnUnix = (Environment.OSVersion.Platform == PlatformID.Unix);
|
|
|
|
if (runningOnUnix) {
|
|
if (Platform.IsMacOS || Platform.IsFreeBSD)
|
|
return new MacOsNetworkInterfaceAPI ();
|
|
|
|
return new LinuxNetworkInterfaceAPI ();
|
|
}
|
|
|
|
#if WIN_PLATFORM
|
|
Version windowsVer51 = new Version (5, 1);
|
|
if (Environment.OSVersion.Version >= windowsVer51)
|
|
return new Win32NetworkInterfaceAPI ();
|
|
#endif
|
|
|
|
throw new NotImplementedException ();
|
|
#endif
|
|
}
|
|
}
|
|
|
|
abstract class UnixNetworkInterface : NetworkInterface
|
|
{
|
|
|
|
protected IPv4InterfaceStatistics ipv4stats;
|
|
protected IPInterfaceProperties ipproperties;
|
|
|
|
string name;
|
|
//int index;
|
|
protected List <IPAddress> addresses;
|
|
byte[] macAddress;
|
|
NetworkInterfaceType type;
|
|
|
|
internal UnixNetworkInterface (string name)
|
|
{
|
|
this.name = name;
|
|
addresses = new List<IPAddress> ();
|
|
}
|
|
|
|
internal void AddAddress (IPAddress address)
|
|
{
|
|
addresses.Add (address);
|
|
}
|
|
|
|
internal void SetLinkLayerInfo (int index, byte[] macAddress, NetworkInterfaceType type)
|
|
{
|
|
//this.index = index;
|
|
this.macAddress = macAddress;
|
|
this.type = type;
|
|
}
|
|
|
|
public override PhysicalAddress GetPhysicalAddress ()
|
|
{
|
|
if (macAddress != null)
|
|
return new PhysicalAddress (macAddress);
|
|
else
|
|
return PhysicalAddress.None;
|
|
}
|
|
|
|
public override bool Supports (NetworkInterfaceComponent networkInterfaceComponent)
|
|
{
|
|
bool wantIPv4 = networkInterfaceComponent == NetworkInterfaceComponent.IPv4;
|
|
bool wantIPv6 = wantIPv4 ? false : networkInterfaceComponent == NetworkInterfaceComponent.IPv6;
|
|
|
|
foreach (IPAddress address in addresses) {
|
|
if (wantIPv4 && address.AddressFamily == AddressFamily.InterNetwork)
|
|
return true;
|
|
else if (wantIPv6 && address.AddressFamily == AddressFamily.InterNetworkV6)
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
public override string Description {
|
|
get { return name; }
|
|
}
|
|
|
|
public override string Id {
|
|
get { return name; }
|
|
}
|
|
|
|
public override bool IsReceiveOnly {
|
|
get { return false; }
|
|
}
|
|
|
|
public override string Name {
|
|
get { return name; }
|
|
}
|
|
|
|
public override NetworkInterfaceType NetworkInterfaceType {
|
|
get { return type; }
|
|
}
|
|
|
|
[MonoTODO ("Parse dmesg?")]
|
|
public override long Speed {
|
|
get {
|
|
// Bits/s
|
|
return 1000000;
|
|
}
|
|
}
|
|
|
|
internal int NameIndex {
|
|
get {
|
|
return NetworkInterfaceFactory.UnixNetworkInterfaceAPI.if_nametoindex (Name);
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// This class needs support from the libsupport.so library to fetch the
|
|
// data using arch-specific ioctls.
|
|
//
|
|
// For this to work, we have to create this on the factory above.
|
|
//
|
|
sealed class LinuxNetworkInterface : UnixNetworkInterface
|
|
{
|
|
//NetworkInterfaceType type;
|
|
string iface_path;
|
|
string iface_operstate_path;
|
|
string iface_flags_path;
|
|
|
|
#if MONODROID
|
|
[DllImport ("__Internal")]
|
|
static extern int _monodroid_get_android_api_level ();
|
|
|
|
[DllImport ("__Internal")]
|
|
static extern bool _monodroid_get_network_interface_up_state (string ifname, ref bool is_up);
|
|
|
|
[DllImport ("__Internal")]
|
|
static extern bool _monodroid_get_network_interface_supports_multicast (string ifname, ref bool supports_multicast);
|
|
|
|
bool android_use_java_api;
|
|
#endif
|
|
|
|
internal string IfacePath {
|
|
get { return iface_path; }
|
|
}
|
|
|
|
internal LinuxNetworkInterface (string name)
|
|
: base (name)
|
|
{
|
|
iface_path = "/sys/class/net/" + name + "/";
|
|
iface_operstate_path = iface_path + "operstate";
|
|
iface_flags_path = iface_path + "flags";
|
|
#if MONODROID
|
|
android_use_java_api = _monodroid_get_android_api_level () >= 24;
|
|
#endif
|
|
}
|
|
|
|
public override IPInterfaceProperties GetIPProperties ()
|
|
{
|
|
if (ipproperties == null)
|
|
ipproperties = new LinuxIPInterfaceProperties (this, addresses);
|
|
return ipproperties;
|
|
}
|
|
|
|
public override IPv4InterfaceStatistics GetIPv4Statistics ()
|
|
{
|
|
if (ipv4stats == null)
|
|
ipv4stats = new LinuxIPv4InterfaceStatistics (this);
|
|
return ipv4stats;
|
|
}
|
|
|
|
public override OperationalStatus OperationalStatus {
|
|
get {
|
|
#if MONODROID
|
|
if (android_use_java_api) {
|
|
// Starting from API 24 (Android 7 "Nougat") Android restricts access to many
|
|
// files in the /sys filesystem (see https://code.google.com/p/android/issues/detail?id=205565
|
|
// for more information) and therefore we are forced to call into Java API in
|
|
// order to get the information. Alas, what we can obtain in this way is quite
|
|
// limited. In the case of OperationalStatus we can only determine whether the
|
|
// interface is up or down. There is a way to get more detailed information but
|
|
// it requires an instance of the Android Context class which is not available
|
|
// to us here.
|
|
bool is_up = false;
|
|
if (_monodroid_get_network_interface_up_state (Name, ref is_up))
|
|
return is_up ? OperationalStatus.Up : OperationalStatus.Down;
|
|
else
|
|
return OperationalStatus.Unknown;
|
|
}
|
|
#endif
|
|
if (!Directory.Exists (iface_path))
|
|
return OperationalStatus.Unknown;
|
|
|
|
try {
|
|
string s = ReadLine (iface_operstate_path);
|
|
|
|
switch (s){
|
|
case "unknown":
|
|
return OperationalStatus.Unknown;
|
|
|
|
case "notpresent":
|
|
return OperationalStatus.NotPresent;
|
|
|
|
case "down":
|
|
return OperationalStatus.Down;
|
|
|
|
case "lowerlayerdown":
|
|
return OperationalStatus.LowerLayerDown;
|
|
|
|
case "testing":
|
|
return OperationalStatus.Testing;
|
|
|
|
case "dormant":
|
|
return OperationalStatus.Dormant;
|
|
|
|
case "up":
|
|
return OperationalStatus.Up;
|
|
}
|
|
} catch {
|
|
}
|
|
return OperationalStatus.Unknown;
|
|
}
|
|
}
|
|
|
|
public override bool SupportsMulticast {
|
|
get {
|
|
#if MONODROID
|
|
if (android_use_java_api) {
|
|
// Starting from API 24 (Android 7 "Nougat") Android restricts access to many
|
|
// files in the /sys filesystem (see https://code.google.com/p/android/issues/detail?id=205565
|
|
// for more information) and therefore we are forced to call into Java API in
|
|
// order to get the information.
|
|
bool supports_multicast = false;
|
|
_monodroid_get_network_interface_supports_multicast (Name, ref supports_multicast);
|
|
return supports_multicast;
|
|
}
|
|
#endif
|
|
if (!Directory.Exists (iface_path))
|
|
return false;
|
|
|
|
try {
|
|
string s = ReadLine (iface_flags_path);
|
|
if (s.Length > 2 && s [0] == '0' && s [1] == 'x')
|
|
s = s.Substring (2);
|
|
|
|
ulong f = UInt64.Parse (s, NumberStyles.HexNumber);
|
|
|
|
// Hardcoded, only useful for Linux.
|
|
return ((f & 0x1000) == 0x1000);
|
|
} catch {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
internal static string ReadLine (string path)
|
|
{
|
|
using (FileStream fs = File.OpenRead (path)){
|
|
using (StreamReader sr = new StreamReader (fs)){
|
|
return sr.ReadLine ();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
sealed class MacOsNetworkInterface : UnixNetworkInterface
|
|
{
|
|
private uint _ifa_flags;
|
|
|
|
internal MacOsNetworkInterface (string name, uint ifa_flags)
|
|
: base (name)
|
|
{
|
|
_ifa_flags = ifa_flags;
|
|
}
|
|
|
|
public override IPInterfaceProperties GetIPProperties ()
|
|
{
|
|
if (ipproperties == null)
|
|
ipproperties = new MacOsIPInterfaceProperties (this, addresses);
|
|
return ipproperties;
|
|
}
|
|
|
|
public override IPv4InterfaceStatistics GetIPv4Statistics ()
|
|
{
|
|
if (ipv4stats == null)
|
|
ipv4stats = new MacOsIPv4InterfaceStatistics (this);
|
|
return ipv4stats;
|
|
}
|
|
|
|
public override OperationalStatus OperationalStatus {
|
|
get {
|
|
if(((MacOsInterfaceFlags)_ifa_flags & MacOsInterfaceFlags.IFF_UP) == MacOsInterfaceFlags.IFF_UP){
|
|
return OperationalStatus.Up;
|
|
}
|
|
return OperationalStatus.Unknown;
|
|
}
|
|
}
|
|
|
|
public override bool SupportsMulticast {
|
|
get {
|
|
return ((MacOsInterfaceFlags)_ifa_flags & MacOsInterfaceFlags.IFF_MULTICAST) == MacOsInterfaceFlags.IFF_MULTICAST;
|
|
}
|
|
}
|
|
}
|
|
|
|
#if WIN_PLATFORM
|
|
class Win32NetworkInterface2 : NetworkInterface
|
|
{
|
|
[DllImport ("iphlpapi.dll", SetLastError = true)]
|
|
static extern int GetAdaptersInfo (IntPtr info, ref int size);
|
|
|
|
[DllImport ("iphlpapi.dll", SetLastError = true)]
|
|
static extern int GetIfEntry (ref Win32_MIB_IFROW row);
|
|
|
|
public static Win32_IP_ADAPTER_INFO GetAdapterInfoByIndex (int index)
|
|
{
|
|
foreach (Win32_IP_ADAPTER_INFO info in GetAdaptersInfo ())
|
|
if (info.Index == index)
|
|
return info;
|
|
throw new IndexOutOfRangeException ("No adapter found for index " + index);
|
|
}
|
|
|
|
static Win32_IP_ADAPTER_INFO [] GetAdaptersInfo ()
|
|
{
|
|
int len = 0;
|
|
IntPtr ptr = IntPtr.Zero;
|
|
GetAdaptersInfo (ptr, ref len);
|
|
ptr = Marshal.AllocHGlobal(len);
|
|
int ret = GetAdaptersInfo (ptr, ref len);
|
|
|
|
if (ret != 0)
|
|
throw new NetworkInformationException (ret);
|
|
|
|
List<Win32_IP_ADAPTER_INFO> l = new List<Win32_IP_ADAPTER_INFO> ();
|
|
Win32_IP_ADAPTER_INFO info;
|
|
for (IntPtr p = ptr; p != IntPtr.Zero; p = info.Next) {
|
|
info = Marshal.PtrToStructure<Win32_IP_ADAPTER_INFO> (p);
|
|
l.Add (info);
|
|
}
|
|
return l.ToArray ();
|
|
}
|
|
|
|
Win32_IP_ADAPTER_ADDRESSES addr;
|
|
Win32_MIB_IFROW mib4, mib6;
|
|
Win32IPv4InterfaceStatistics ip4stats;
|
|
IPInterfaceProperties ip_if_props;
|
|
|
|
internal Win32NetworkInterface2 (Win32_IP_ADAPTER_ADDRESSES addr)
|
|
{
|
|
this.addr = addr;
|
|
mib4 = default (Win32_MIB_IFROW);
|
|
mib4.Index = addr.Alignment.IfIndex;
|
|
if (GetIfEntry (ref mib4) != 0)
|
|
mib4.Index = -1; // unavailable;
|
|
mib6 = default (Win32_MIB_IFROW);
|
|
mib6.Index = addr.Ipv6IfIndex;
|
|
if (GetIfEntry (ref mib6) != 0)
|
|
mib6.Index = -1; // unavailable;
|
|
ip4stats = new Win32IPv4InterfaceStatistics (mib4);
|
|
ip_if_props = new Win32IPInterfaceProperties2 (addr, mib4, mib6);
|
|
}
|
|
|
|
public override IPInterfaceProperties GetIPProperties ()
|
|
{
|
|
return ip_if_props;
|
|
}
|
|
|
|
public override IPv4InterfaceStatistics GetIPv4Statistics ()
|
|
{
|
|
return ip4stats;
|
|
}
|
|
|
|
public override PhysicalAddress GetPhysicalAddress ()
|
|
{
|
|
byte [] bytes = new byte [addr.PhysicalAddressLength];
|
|
Array.Copy (addr.PhysicalAddress, 0, bytes, 0, bytes.Length);
|
|
return new PhysicalAddress (bytes);
|
|
}
|
|
|
|
public override bool Supports (NetworkInterfaceComponent networkInterfaceComponent)
|
|
{
|
|
switch (networkInterfaceComponent) {
|
|
case NetworkInterfaceComponent.IPv4:
|
|
return mib4.Index >= 0;
|
|
case NetworkInterfaceComponent.IPv6:
|
|
return mib6.Index >= 0;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public override string Description {
|
|
get { return addr.Description; }
|
|
}
|
|
public override string Id {
|
|
get { return addr.AdapterName; }
|
|
}
|
|
public override bool IsReceiveOnly {
|
|
get { return addr.IsReceiveOnly; }
|
|
}
|
|
public override string Name {
|
|
get { return addr.FriendlyName; }
|
|
}
|
|
public override NetworkInterfaceType NetworkInterfaceType {
|
|
get { return addr.IfType; }
|
|
}
|
|
public override OperationalStatus OperationalStatus {
|
|
get { return addr.OperStatus; }
|
|
}
|
|
public override long Speed {
|
|
get { return mib6.Index >= 0 ? mib6.Speed : mib4.Speed; }
|
|
}
|
|
public override bool SupportsMulticast {
|
|
get { return !addr.NoMulticast; }
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|