markus / CommonLib / DNSHelper.cs @ master
이력 | 보기 | 이력해설 | 다운로드 (5.03 KB)
| 1 | af22332b | ljiyeon | using System; |
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| 2 | using System.Collections.Generic; |
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| 3 | using System.Linq; |
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| 4 | using System.Net; |
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| 5 | using System.Net.NetworkInformation; |
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| 6 | using System.Text; |
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| 7 | using System.Threading.Tasks; |
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| 8 | |||
| 9 | eb5cdefc | djkim | namespace CommonLib |
| 10 | af22332b | ljiyeon | {
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| 11 | public class DNSHelper |
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| 12 | {
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| 13 | public static IPAddress GetDnsAdress() |
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| 14 | {
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| 15 | NetworkInterface[] networkInterfaces = NetworkInterface.GetAllNetworkInterfaces(); |
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| 16 | |||
| 17 | foreach (NetworkInterface networkInterface in networkInterfaces) |
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| 18 | {
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| 19 | f87dfb18 | taeseongkim | |
| 20 | 1137be84 | djkim | if ((networkInterface.NetworkInterfaceType == NetworkInterfaceType.Ethernet || |
| 21 | f87dfb18 | taeseongkim | networkInterface.NetworkInterfaceType == NetworkInterfaceType.Wireless80211) |
| 22 | a1e2ba68 | taeseongkim | && networkInterface.OperationalStatus == OperationalStatus.Up |
| 23 | && !networkInterface.Name.Contains("vEthernet") && !networkInterface.Name.Contains("vmware"))
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| 24 | af22332b | ljiyeon | {
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| 25 | IPInterfaceProperties ipProperties = networkInterface.GetIPProperties(); |
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| 26 | IPAddressCollection dnsAddresses = ipProperties.DnsAddresses; |
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| 27 | |||
| 28 | foreach (IPAddress dnsAdress in dnsAddresses) |
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| 29 | {
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| 30 | 1137be84 | djkim | if (dnsAdress.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork) |
| 31 | 366f00c2 | taeseongkim | {
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| 32 | try |
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| 33 | {
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| 34 | var host = Dns.GetHostEntry(dnsAdress); |
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| 35 | |||
| 36 | if (host != null) |
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| 37 | {
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| 38 | return dnsAdress; |
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| 39 | } |
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| 40 | } |
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| 41 | catch (Exception ex) |
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| 42 | {
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| 43 | if (ex.InnerException is System.Net.Sockets.SocketException) |
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| 44 | {
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| 45 | System.Diagnostics.Debug.WriteLine((ex.InnerException as System.Net.Sockets.SocketException).SocketErrorCode); |
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| 46 | } |
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| 47 | //return dnsAdress; |
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| 48 | } |
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| 49 | } |
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| 50 | |||
| 51 | af22332b | ljiyeon | } |
| 52 | } |
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| 53 | } |
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| 54 | 366f00c2 | taeseongkim | |
| 55 | af22332b | ljiyeon | return null; |
| 56 | } |
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| 57 | a1e2ba68 | taeseongkim | public static IPAddress GetClientAdress() |
| 58 | {
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| 59 | NetworkInterface[] networkInterfaces = NetworkInterface.GetAllNetworkInterfaces(); |
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| 60 | |||
| 61 | foreach (NetworkInterface networkInterface in networkInterfaces) |
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| 62 | {
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| 63 | if ((networkInterface.NetworkInterfaceType == NetworkInterfaceType.Ethernet || |
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| 64 | networkInterface.NetworkInterfaceType == NetworkInterfaceType.Wireless80211) |
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| 65 | && networkInterface.OperationalStatus == OperationalStatus.Up |
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| 66 | && !networkInterface.Name.Contains("vEthernet") && !networkInterface.Name.Contains("vmware"))
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| 67 | {
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| 68 | IPInterfaceProperties ipProperties = networkInterface.GetIPProperties(); |
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| 69 | IPAddressCollection dnsAddresses = ipProperties.DnsAddresses; |
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| 70 | |||
| 71 | foreach (UnicastIPAddressInformation ip in ipProperties.UnicastAddresses) |
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| 72 | {
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| 73 | if (ip.Address.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork) |
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| 74 | {
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| 75 | return ip.Address; |
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| 76 | } |
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| 77 | } |
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| 78 | } |
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| 79 | } |
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| 80 | |||
| 81 | return null; |
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| 82 | } |
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| 83 | cdfb57ff | taeseongkim | |
| 84 | public static async Task<IPHostEntry> GetHostEntryAsync() |
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| 85 | {
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| 86 | IPHostEntry result = null; |
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| 87 | |||
| 88 | 366f00c2 | taeseongkim | try |
| 89 | cdfb57ff | taeseongkim | {
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| 90 | 366f00c2 | taeseongkim | var ipaddress = CommonLib.DNSHelper.GetDnsAdress(); |
| 91 | 566f0526 | taeseongkim | |
| 92 | 366f00c2 | taeseongkim | result = await Dns.GetHostEntryAsync(ipaddress); |
| 93 | } |
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| 94 | catch (Exception ex) |
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| 95 | {
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| 96 | if (ex.InnerException is System.Net.Sockets.SocketException) |
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| 97 | 92442e4a | taeseongkim | {
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| 98 | 366f00c2 | taeseongkim | System.Diagnostics.Debug.WriteLine((ex.InnerException as System.Net.Sockets.SocketException).SocketErrorCode); |
| 99 | 92442e4a | taeseongkim | } |
| 100 | 366f00c2 | taeseongkim | else |
| 101 | 566f0526 | taeseongkim | {
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| 102 | 366f00c2 | taeseongkim | |
| 103 | System.Diagnostics.Debug.WriteLine(ex.ToString()); |
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| 104 | 566f0526 | taeseongkim | } |
| 105 | 366f00c2 | taeseongkim | } |
| 106 | 566f0526 | taeseongkim | |
| 107 | System.Diagnostics.Debug.WriteLine("DNS END");
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| 108 | cdfb57ff | taeseongkim | |
| 109 | return result; |
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| 110 | } |
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| 111 | |||
| 112 | public static IPHostEntry GetHostEntryTask() |
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| 113 | {
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| 114 | IPHostEntry result = null; |
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| 115 | |||
| 116 | try |
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| 117 | {
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| 118 | var ipaddress = CommonLib.DNSHelper.GetDnsAdress(); |
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| 119 | |||
| 120 | var task = Task.Factory.StartNew(() => |
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| 121 | {
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| 122 | result = Dns.GetHostEntry(ipaddress); |
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| 123 | }); |
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| 124 | |||
| 125 | task.Wait(); |
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| 126 | } |
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| 127 | catch (Exception ex) |
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| 128 | {
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| 129 | 92442e4a | taeseongkim | if (ex.InnerException is System.Net.Sockets.SocketException) |
| 130 | {
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| 131 | System.Diagnostics.Debug.WriteLine((ex.InnerException as System.Net.Sockets.SocketException).SocketErrorCode); |
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| 132 | } |
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| 133 | else |
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| 134 | {
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| 135 | |||
| 136 | System.Diagnostics.Debug.WriteLine(ex.ToString()); |
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| 137 | } |
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| 138 | cdfb57ff | taeseongkim | } |
| 139 | |||
| 140 | return result; |
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| 141 | } |
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| 142 | af22332b | ljiyeon | } |
| 143 | } |
