wasSharpNET – Diff between revs 11 and 27

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1 /////////////////////////////////////////////////////////////////////////// 1 ///////////////////////////////////////////////////////////////////////////
2 // Copyright (C) Wizardry and Steamworks 2016 - License: GNU GPLv3 // 2 // Copyright (C) Wizardry and Steamworks 2016 - License: GNU GPLv3 //
3 // Please see: http://www.gnu.org/licenses/gpl.html for legal details, // 3 // Please see: http://www.gnu.org/licenses/gpl.html for legal details, //
4 // rights of fair usage, the disclaimer and warranty conditions. // 4 // rights of fair usage, the disclaimer and warranty conditions. //
5 /////////////////////////////////////////////////////////////////////////// 5 ///////////////////////////////////////////////////////////////////////////
6   6  
7 using System; 7 using System;
8 using System.Net; 8 using System.Net;
9   9  
10 namespace wasSharpNET.Network 10 namespace wasSharpNET.Network
11 { 11 {
12 /// <summary> 12 /// <summary>
13 /// IPAddress extensions. 13 /// IPAddress extensions.
14 /// </summary> 14 /// </summary>
15 /// <remarks>https://blogs.msdn.microsoft.com/knom/2008/12/31/ip-address-calculations-with-c-subnetmasks-networks/</remarks> 15 /// <remarks>https://blogs.msdn.microsoft.com/knom/2008/12/31/ip-address-calculations-with-c-subnetmasks-networks/</remarks>
16 public static class IPAddressExtensions 16 public static class IPAddressExtensions
17 { 17 {
18 public static IPAddress GetBroadcastAddress(this IPAddress address, IPAddress subnetMask) 18 public static IPAddress GetBroadcastAddress(this IPAddress address, IPAddress subnetMask)
19 { 19 {
20 var ipAdressBytes = address.GetAddressBytes(); 20 var ipAdressBytes = address.GetAddressBytes();
21 var subnetMaskBytes = subnetMask.GetAddressBytes(); 21 var subnetMaskBytes = subnetMask.GetAddressBytes();
22   22  
23 if (ipAdressBytes.Length != subnetMaskBytes.Length) 23 if (ipAdressBytes.Length != subnetMaskBytes.Length)
24 throw new ArgumentException("Lengths of IP address and subnet mask do not match."); 24 throw new ArgumentException("Lengths of IP address and subnet mask do not match.");
25   25  
26 var broadcastAddress = new byte[ipAdressBytes.Length]; 26 var broadcastAddress = new byte[ipAdressBytes.Length];
27 for (var i = 0; i < broadcastAddress.Length; i++) 27 for (var i = 0; i < broadcastAddress.Length; i++)
28 { -  
29 broadcastAddress[i] = (byte)(ipAdressBytes[i] | (subnetMaskBytes[i] ^ 255)); 28 broadcastAddress[i] = (byte) (ipAdressBytes[i] | (subnetMaskBytes[i] ^ 255));
30 } -  
31 return new IPAddress(broadcastAddress); 29 return new IPAddress(broadcastAddress);
32 } 30 }
33   31  
34 public static IPAddress GetNetworkAddress(this IPAddress address, IPAddress subnetMask) 32 public static IPAddress GetNetworkAddress(this IPAddress address, IPAddress subnetMask)
35 { 33 {
36 var ipAdressBytes = address.GetAddressBytes(); 34 var ipAdressBytes = address.GetAddressBytes();
37 var subnetMaskBytes = subnetMask.GetAddressBytes(); 35 var subnetMaskBytes = subnetMask.GetAddressBytes();
38   36  
39 if (ipAdressBytes.Length != subnetMaskBytes.Length) 37 if (ipAdressBytes.Length != subnetMaskBytes.Length)
40 throw new ArgumentException("Lengths of IP address and subnet mask do not match."); 38 throw new ArgumentException("Lengths of IP address and subnet mask do not match.");
41   39  
42 var broadcastAddress = new byte[ipAdressBytes.Length]; 40 var broadcastAddress = new byte[ipAdressBytes.Length];
43 for (var i = 0; i < broadcastAddress.Length; i++) 41 for (var i = 0; i < broadcastAddress.Length; i++)
44 { -  
45 broadcastAddress[i] = (byte)(ipAdressBytes[i] & subnetMaskBytes[i]); 42 broadcastAddress[i] = (byte) (ipAdressBytes[i] & subnetMaskBytes[i]);
46 } -  
47 return new IPAddress(broadcastAddress); 43 return new IPAddress(broadcastAddress);
48 } 44 }
49   45  
50 public static bool IsInSameSubnet(this IPAddress address2, IPAddress address, IPAddress subnetMask) 46 public static bool IsInSameSubnet(this IPAddress address2, IPAddress address, IPAddress subnetMask)
51 { 47 {
52 var network1 = address.GetNetworkAddress(subnetMask); 48 var network1 = address.GetNetworkAddress(subnetMask);
53 var network2 = address2.GetNetworkAddress(subnetMask); 49 var network2 = address2.GetNetworkAddress(subnetMask);
54   50  
55 return network1.Equals(network2); 51 return network1.Equals(network2);
56 } 52 }
57 } 53 }
58 } 54 }
59   55  
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Generated by GNU Enscript 1.6.5.90.
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