using System.Globalization;
namespace System.Net.NetworkInformation {
- public abstract class NetworkInterface {
+ static class SystemNetworkInterface {
static readonly NetworkInterfaceFactory nif = NetworkInterfaceFactory.Create ();
- protected NetworkInterface ()
- {
- }
-
- public static NetworkInterface [] GetAllNetworkInterfaces ()
+ public static NetworkInterface [] GetNetworkInterfaces ()
{
try {
return nif.GetAllNetworkInterfaces ();
}
}
- [MonoTODO("Always returns true")]
- public static bool GetIsNetworkAvailable ()
+ public static bool InternalGetIsNetworkAvailable ()
{
+ // TODO:
return true;
}
-
- public static int LoopbackInterfaceIndex {
+
+ public static int InternalLoopbackInterfaceIndex {
get {
return nif.GetLoopbackInterfaceIndex ();
}
}
+ public static int InternalIPv6LoopbackInterfaceIndex {
+ get {
+ throw new NotImplementedException ();
+ }
+ }
+
public static IPAddress GetNetMask (IPAddress address)
{
return nif.GetNetMask (address);
}
-
- public abstract IPInterfaceProperties GetIPProperties ();
- public abstract IPv4InterfaceStatistics GetIPv4Statistics ();
- public abstract PhysicalAddress GetPhysicalAddress ();
- public abstract bool Supports (NetworkInterfaceComponent networkInterfaceComponent);
-
- public abstract string Description { get; }
- public abstract string Id { get; }
- public abstract bool IsReceiveOnly { get; }
- public abstract string Name { get; }
- public abstract NetworkInterfaceType NetworkInterfaceType { get; }
- public abstract OperationalStatus OperationalStatus { get; }
- public abstract long Speed { get; }
- public abstract bool SupportsMulticast { get; }
}
abstract class NetworkInterfaceFactory
#if !MOBILE
class Win32NetworkInterfaceAPI : NetworkInterfaceFactory
{
- [DllImport ("iphlpapi.dll", SetLastError = true)]
+ private const string IPHLPAPI = "iphlpapi.dll";
+
+ [DllImport (IPHLPAPI, SetLastError = true)]
static extern int GetAdaptersAddresses (uint family, uint flags, IntPtr reserved, byte [] info, ref int size);
+ [DllImport (IPHLPAPI)]
+ static extern uint GetBestInterfaceEx (byte[] ipAddress, out int index);
+
unsafe static Win32_IP_ADAPTER_ADDRESSES [] GetAdaptersAddresses ()
{
byte [] bytes = null;
return ret;
}
+ private static int GetBestInterfaceForAddress (IPAddress addr) {
+ int index;
+ SocketAddress address = new SocketAddress (addr);
+ int error = (int) GetBestInterfaceEx (address.m_Buffer, out index);
+ if (error != 0) {
+ throw new NetworkInformationException (error);
+ }
+
+ return index;
+ }
+
public override int GetLoopbackInterfaceIndex ()
{
- throw new NotImplementedException ();
+ return GetBestInterfaceForAddress (IPAddress.Loopback);
}
public override IPAddress GetNetMask (IPAddress address)
string iface_operstate_path;
string iface_flags_path;
+#if MONODROID
+ [DllImport ("__Internal")]
+ protected static extern int _monodroid_get_android_api_level ();
+
+ [DllImport ("__Internal")]
+ protected static extern bool _monodroid_get_network_interface_up_state (string ifname, ref bool is_up);
+
+ [DllImport ("__Internal")]
+ protected 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; }
}
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 ()
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;
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;
projects / mono.git / blobdiff