DefaultServiceIPv4AddressProvider.cs
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using Pole.ReliableMessage.Abstraction;
using Microsoft.Extensions.Options;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.NetworkInformation;
using System.Net.Sockets;
using System.Text;
namespace Pole.ReliableMessage.Utils
{
class DefaultServiceIPv4AddressProvider : IServiceIPv4AddressProvider
{
private readonly ReliableMessageOption _options;
private string _ipAddress;
public DefaultServiceIPv4AddressProvider(IOptions<ReliableMessageOption> options)
{
_options = options.Value;
Init();
}
private void Init()
{
var gatewayAddress = _options.NetworkInterfaceGatewayAddress;
NetworkInterface networkInterface = null;
if (string.IsNullOrEmpty(_options.NetworkInterfaceGatewayAddress))
{
networkInterface = NetworkInterface.GetAllNetworkInterfaces()
.OrderByDescending(c => c.Speed)
.Where(m => m.NetworkInterfaceType != NetworkInterfaceType.Loopback && m.OperationalStatus == OperationalStatus.Up)
.FirstOrDefault();
}
else
{
networkInterface = NetworkInterface.GetAllNetworkInterfaces()
.OrderByDescending(c => c.Speed).Where(m => m.NetworkInterfaceType != NetworkInterfaceType.Loopback && m.OperationalStatus == OperationalStatus.Up).Where(m => m.GetIPProperties().GatewayAddresses.FirstOrDefault(c => c.Address.AddressFamily == AddressFamily.InterNetwork)?.Address.ToString() == gatewayAddress)
.FirstOrDefault();
}
if (networkInterface == null)
{
throw new Exception($"Not found correct NetworkInterface, option.NetworkInterfaceGatewayAddress:{gatewayAddress}");
}
var props = networkInterface.GetIPProperties();
// get first IPV4 address assigned to this interface
var firstIpV4Address = props.UnicastAddresses
.Where(c => c.Address.AddressFamily == AddressFamily.InterNetwork)
.Select(c => c.Address)
.FirstOrDefault();
_ipAddress = firstIpV4Address.ToString();
}
public string Get()
{
return _ipAddress;
}
}
}