hondacrx
24 lines
933 B
C#
24 lines
933 B
C#
// Copyright (c) CypherCore <http://github.com/CypherCore> All rights reserved.
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// Licensed under the GNU GENERAL PUBLIC LICENSE. See LICENSE file in the project root for full license information.
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using System;
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using System.Net;
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public static class NetworkExtensions
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{
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public static IPAddress GetNetworkAddress(this IPAddress address, IPAddress subnetMask)
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{
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byte[] ipAdressBytes = address.GetAddressBytes();
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byte[] subnetMaskBytes = subnetMask.GetAddressBytes();
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if (ipAdressBytes.Length != subnetMaskBytes.Length)
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throw new ArgumentException("Lengths of IP address and subnet mask do not match.");
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byte[] broadcastAddress = new byte[ipAdressBytes.Length];
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for (int i = 0; i < broadcastAddress.Length; i++)
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{
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broadcastAddress[i] = (byte)(ipAdressBytes[i] & (subnetMaskBytes[i]));
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}
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return new IPAddress(broadcastAddress);
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}
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} |