client/Apache.ShenYu.Client/Utils/IpUtils.cs

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

using System.Collections.Generic;
using System.Linq;
using System.Net.NetworkInformation;
using System.Net.Sockets;

namespace Apache.ShenYu.Client.Utils
{
    public static class IpUtils
    {
        private const string LocalHostIp = "127.0.0.1";
        public static string GetLocalIPv4(NetworkInterfaceType type)
        {
            List<string> ipv4Addresses = new List<string>();
            foreach (NetworkInterface item in NetworkInterface.GetAllNetworkInterfaces())
            {
                if (item.OperationalStatus != OperationalStatus.Up)
                {
                    continue;
                }

                foreach (UnicastIPAddressInformation ip in item.GetIPProperties().UnicastAddresses)
                {
                    if (ip.Address.AddressFamily == AddressFamily.InterNetwork && !ip.Address.ToString().Equals(LocalHostIp))
                    {
                        ipv4Addresses.Add(ip.Address.ToString());
                    }
                }
            }
            ipv4Addresses.Sort();
            return ipv4Addresses.Last();
        }
    }
}