Imported Upstream version 5.18.0.142

Former-commit-id: 7467d4b717762eeaf652d77f1486dd11ffb1ff1f

mcs/class/System/System.Net.NetworkInformation/UnixNetworkInterface.cs

@@ -0,0 +1,154 @@
+//
+// System.Net.NetworkInformation.NetworkInterface
+//
+// Authors:
+//	Gonzalo Paniagua Javier (gonzalo@novell.com)
+//	Atsushi Enomoto (atsushi@ximian.com)
+//      Miguel de Icaza (miguel@novell.com)
+//      Eric Butler (eric@extremeboredom.net)
+//      Marek Habersack (mhabersack@novell.com)
+//  Marek Safar (marek.safar@gmail.com)
+//
+// Copyright (c) 2006-2008 Novell, Inc. (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+using System.Collections.Generic;
+using System.Net.Sockets;
+using System.Runtime.InteropServices;
+
+namespace System.Net.NetworkInformation {
+	internal abstract class UnixNetworkInterfaceAPI : NetworkInterfaceFactory
+	{
+#if ORBIS
+		public static int if_nametoindex(string ifname)
+		{
+			throw new PlatformNotSupportedException ();
+		}
+
+		protected static int getifaddrs (out IntPtr ifap)
+		{
+			throw new PlatformNotSupportedException ();
+		}
+
+		protected static void freeifaddrs (IntPtr ifap)
+		{
+			throw new PlatformNotSupportedException ();
+		}
+#else
+		[DllImport("libc")]
+		public static extern int if_nametoindex(string ifname);
+
+		[DllImport ("libc")]
+		protected static extern int getifaddrs (out IntPtr ifap);
+
+		[DllImport ("libc")]
+		protected static extern void freeifaddrs (IntPtr ifap);
+#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 UnixNetworkInterfaceAPI.if_nametoindex (Name);
+			}
+		}
+	}
+}