wasSharpNET – Diff between revs 5 and 11
?pathlinks?
Rev 5 | Rev 11 | |||
---|---|---|---|---|
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 | { |
28 | { |
|
29 | broadcastAddress[i] = (byte) (ipAdressBytes[i] | (subnetMaskBytes[i] ^ 255)); |
29 | broadcastAddress[i] = (byte)(ipAdressBytes[i] | (subnetMaskBytes[i] ^ 255)); |
|
30 | } |
30 | } |
|
31 | return new IPAddress(broadcastAddress); |
31 | return new IPAddress(broadcastAddress); |
|
32 | } |
32 | } |
|
33 | |
33 | |
|
34 | public static IPAddress GetNetworkAddress(this IPAddress address, IPAddress subnetMask) |
34 | public static IPAddress GetNetworkAddress(this IPAddress address, IPAddress subnetMask) |
|
35 | { |
35 | { |
|
36 | var ipAdressBytes = address.GetAddressBytes(); |
36 | var ipAdressBytes = address.GetAddressBytes(); |
|
37 | var subnetMaskBytes = subnetMask.GetAddressBytes(); |
37 | var subnetMaskBytes = subnetMask.GetAddressBytes(); |
|
38 | |
38 | |
|
39 | if (ipAdressBytes.Length != subnetMaskBytes.Length) |
39 | if (ipAdressBytes.Length != subnetMaskBytes.Length) |
|
40 | throw new ArgumentException("Lengths of IP address and subnet mask do not match."); |
40 | throw new ArgumentException("Lengths of IP address and subnet mask do not match."); |
|
41 | |
41 | |
|
42 | var broadcastAddress = new byte[ipAdressBytes.Length]; |
42 | var broadcastAddress = new byte[ipAdressBytes.Length]; |
|
43 | for (var i = 0; i < broadcastAddress.Length; i++) |
43 | for (var i = 0; i < broadcastAddress.Length; i++) |
|
44 | { |
44 | { |
|
45 | broadcastAddress[i] = (byte) (ipAdressBytes[i] & subnetMaskBytes[i]); |
45 | broadcastAddress[i] = (byte)(ipAdressBytes[i] & subnetMaskBytes[i]); |
|
46 | } |
46 | } |
|
47 | return new IPAddress(broadcastAddress); |
47 | return new IPAddress(broadcastAddress); |
|
48 | } |
48 | } |
|
49 | |
49 | |
|
50 | public static bool IsInSameSubnet(this IPAddress address2, IPAddress address, IPAddress subnetMask) |
50 | public static bool IsInSameSubnet(this IPAddress address2, IPAddress address, IPAddress subnetMask) |
|
51 | { |
51 | { |
|
52 | var network1 = address.GetNetworkAddress(subnetMask); |
52 | var network1 = address.GetNetworkAddress(subnetMask); |
|
53 | var network2 = address2.GetNetworkAddress(subnetMask); |
53 | var network2 = address2.GetNetworkAddress(subnetMask); |
|
54 | |
54 | |
|
55 | return network1.Equals(network2); |
55 | return network1.Equals(network2); |
|
56 | } |
56 | } |
|
57 | } |
57 | } |
|
58 | } |
- | ||
59 | |
58 | } |
|
- | 59 | |
||
60 |
|
- | ||
61 | |
- | ||
62 | |
- | ||
63 | |
- |