72 lines
2.6 KiB
C#
72 lines
2.6 KiB
C#
/*
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* Copyright (C) Alibaba Cloud Computing
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* All rights reserved.
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*
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* 版权所有 （C）阿里云计算有限公司
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*/
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using System;
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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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using System.Text;
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using System.Text.RegularExpressions;
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namespace Aliyun.Api.LOG.Utilities
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{
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internal class IpUtils
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{
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public static bool IsInternalIP(IPAddress ip)
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{
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//According to RFC 1918 (http://www.faqs.org/rfcs/rfc1918.html). private IP ranges are as bellow
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// 10.0.0.0 - 10.255.255.255 (10/8 prefix)
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// 172.16.0.0 - 172.31.255.255 (172.16/12 prefix)
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// 192.168.0.0 - 192.168.255.255 (192.168/16 prefix)
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byte[] addrs = ip.GetAddressBytes();
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if ((addrs[0] == 10) ||
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(addrs[0] == 192 && addrs[1] == 168) ||
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(addrs[0] == 172 && (addrs[1] >= 16) && (addrs[1] < 32)))
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return true;
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else
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return false;
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}
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public static bool IsIpAddress(String str)
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{
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Regex regex = new Regex("^(\\d{1,3}\\.){3}\\d{1,3}");
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return regex.Match(str).Success;
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}
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public static string GetLocalMachinePrivateIp()
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{
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NetworkInterface[] adapters = NetworkInterface.GetAllNetworkInterfaces();
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string ip = "";
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foreach (NetworkInterface adapter in adapters)
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{
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if (adapter.OperationalStatus == OperationalStatus.Up)
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{
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IPInterfaceProperties IPInterfaceProperties = adapter.GetIPProperties();
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UnicastIPAddressInformationCollection UnicastIPAddressInformationCollection = IPInterfaceProperties.UnicastAddresses;
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foreach (UnicastIPAddressInformation UnicastIPAddressInformation in UnicastIPAddressInformationCollection)
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{
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IPAddress addr = UnicastIPAddressInformation.Address;
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if (!IPAddress.IsLoopback(addr) &&
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UnicastIPAddressInformation.Address.AddressFamily == AddressFamily.InterNetwork)
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{
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if (IsInternalIP(addr))
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{
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ip = addr.ToString();
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break;
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}
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}
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}
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if (!String.IsNullOrEmpty(ip))
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break;
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}
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}
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return ip;
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}
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}
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}
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