using System;
using System.Collections.Generic;
using System.Net.Sockets;
using System.Runtime.InteropServices;

namespace System.Net.NetworkInformation
{
	// Token: 0x020001A3 RID: 419
	internal abstract class UnixNetworkInterface : NetworkInterface
	{
		// Token: 0x06000DF2 RID: 3570 RVA: 0x00026FE8 File Offset: 0x000251E8
		internal UnixNetworkInterface(string name)
		{
			this.name = name;
			this.addresses = new List<IPAddress>();
		}

		// Token: 0x06000DF3 RID: 3571
		[DllImport("libc")]
		private static extern int if_nametoindex(string ifname);

		// Token: 0x06000DF4 RID: 3572 RVA: 0x00027004 File Offset: 0x00025204
		public static int IfNameToIndex(string ifname)
		{
			return UnixNetworkInterface.if_nametoindex(ifname);
		}

		// Token: 0x06000DF5 RID: 3573 RVA: 0x0002700C File Offset: 0x0002520C
		internal void AddAddress(IPAddress address)
		{
			this.addresses.Add(address);
		}

		// Token: 0x06000DF6 RID: 3574 RVA: 0x0002701C File Offset: 0x0002521C
		internal void SetLinkLayerInfo(int index, byte[] macAddress, NetworkInterfaceType type)
		{
			this.index = index;
			this.macAddress = macAddress;
			this.type = type;
		}

		// Token: 0x06000DF7 RID: 3575 RVA: 0x00027034 File Offset: 0x00025234
		public override PhysicalAddress GetPhysicalAddress()
		{
			if (this.macAddress != null)
			{
				return new PhysicalAddress(this.macAddress);
			}
			return PhysicalAddress.None;
		}

		// Token: 0x06000DF8 RID: 3576 RVA: 0x00027054 File Offset: 0x00025254
		public override bool Supports(NetworkInterfaceComponent networkInterfaceComponent)
		{
			bool flag = networkInterfaceComponent == NetworkInterfaceComponent.IPv4;
			bool flag2 = !flag && networkInterfaceComponent == NetworkInterfaceComponent.IPv6;
			foreach (IPAddress ipaddress in this.addresses)
			{
				if (flag && ipaddress.AddressFamily == global::System.Net.Sockets.AddressFamily.InterNetwork)
				{
					return true;
				}
				if (flag2 && ipaddress.AddressFamily == global::System.Net.Sockets.AddressFamily.InterNetworkV6)
				{
					return true;
				}
			}
			return false;
		}

		// Token: 0x1700048C RID: 1164
		// (get) Token: 0x06000DF9 RID: 3577 RVA: 0x00027104 File Offset: 0x00025304
		public override string Description
		{
			get
			{
				return this.name;
			}
		}

		// Token: 0x1700048D RID: 1165
		// (get) Token: 0x06000DFA RID: 3578 RVA: 0x0002710C File Offset: 0x0002530C
		public override string Id
		{
			get
			{
				return this.name;
			}
		}

		// Token: 0x1700048E RID: 1166
		// (get) Token: 0x06000DFB RID: 3579 RVA: 0x00027114 File Offset: 0x00025314
		public override bool IsReceiveOnly
		{
			get
			{
				return false;
			}
		}

		// Token: 0x1700048F RID: 1167
		// (get) Token: 0x06000DFC RID: 3580 RVA: 0x00027118 File Offset: 0x00025318
		public override string Name
		{
			get
			{
				return this.name;
			}
		}

		// Token: 0x17000490 RID: 1168
		// (get) Token: 0x06000DFD RID: 3581 RVA: 0x00027120 File Offset: 0x00025320
		public override NetworkInterfaceType NetworkInterfaceType
		{
			get
			{
				return this.type;
			}
		}

		// Token: 0x17000491 RID: 1169
		// (get) Token: 0x06000DFE RID: 3582 RVA: 0x00027128 File Offset: 0x00025328
		[global::System.MonoTODO("Parse dmesg?")]
		public override long Speed
		{
			get
			{
				return 1000000L;
			}
		}

		// Token: 0x04000C93 RID: 3219
		protected IPv4InterfaceStatistics ipv4stats;

		// Token: 0x04000C94 RID: 3220
		protected IPInterfaceProperties ipproperties;

		// Token: 0x04000C95 RID: 3221
		private string name;

		// Token: 0x04000C96 RID: 3222
		private int index;

		// Token: 0x04000C97 RID: 3223
		protected List<IPAddress> addresses;

		// Token: 0x04000C98 RID: 3224
		private byte[] macAddress;

		// Token: 0x04000C99 RID: 3225
		private NetworkInterfaceType type;
	}
}