33 lines
1 KiB
C#
33 lines
1 KiB
C#
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using System.Collections.Generic;
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using System.Net;
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using System.Net.NetworkInformation;
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using System.Net.Sockets;
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namespace LANCommander.SDK.Extensions;
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public static class NetworkInterfaceExtensions
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{
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public static IEnumerable<IPAddress> GetBroadcastAddresses(this NetworkInterface networkInterface)
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{
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foreach (var ua in networkInterface.GetIPProperties().UnicastAddresses)
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{
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if (ua.Address.AddressFamily == AddressFamily.InterNetwork)
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{
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var ip = ua.Address;
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var mask = ua.IPv4Mask;
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if (mask == null)
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continue;
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var ipBytes = ip.GetAddressBytes();
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var maskBytes = mask.GetAddressBytes();
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var broadcastBytes = new byte[4];
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for (var i = 0; i < 4; i++)
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broadcastBytes[i] = (byte)(ipBytes[i] | (maskBytes[i] ^ 255));
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yield return new IPAddress(broadcastBytes);
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}
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}
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}
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}
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