using System;
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using System.Collections.Generic;
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using System.Linq;
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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.Threading.Tasks;
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namespace LB_SmartVisionCommon
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{
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public class NetworkDiagnostics
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{
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public static async Task<NetworkStatus> CheckNetworkStatusAsync(string host = "www.google.com")
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{
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var status = new NetworkStatus();
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// 测试Ping
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status.CanPing = await TestPingAsync(host);
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// 测试HTTP
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status.CanAccessHttp = await TestHttpAsync($"https://{host}");
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// 测试常用端口
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status.CanAccessPort80 = await TestTcpPortAsync(host, 80);
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status.CanAccessPort443 = await TestTcpPortAsync(host, 443);
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status.IsNetworkAvailable = NetworkInterface.GetIsNetworkAvailable();
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return status;
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}
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public static async Task<NetworkStatus> CheckNetworkCanPingStatusAsync(string host = "www.google.com")
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{
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var status = new NetworkStatus();
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// 测试Ping
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status.CanPing = await TestPingAsync(host);
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//// 测试HTTP
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//status.CanAccessHttp = await TestHttpAsync($"https://{host}");
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//// 测试常用端口
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//status.CanAccessPort80 = await TestTcpPortAsync(host, 80);
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//status.CanAccessPort443 = await TestTcpPortAsync(host, 443);
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status.IsNetworkAvailable = NetworkInterface.GetIsNetworkAvailable();
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return status;
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}
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private static async Task<bool> TestPingAsync(string host)
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{
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try
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{
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using (var ping = new Ping())
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{
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var reply = await ping.SendPingAsync(host, 3000);
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return reply.Status == IPStatus.Success;
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}
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}
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catch
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{
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return false;
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}
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}
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private static async Task<bool> TestHttpAsync(string url)
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{
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try
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{
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using (var client = new HttpClient { Timeout = TimeSpan.FromSeconds(10) })
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{
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var response = await client.GetAsync(url);
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return response.IsSuccessStatusCode;
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}
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}
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catch
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{
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return false;
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}
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}
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private static async Task<bool> TestTcpPortAsync(string host, int port)
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{
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try
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{
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using (var client = new TcpClient())
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{
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var task = client.ConnectAsync(host, port);
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return await Task.WhenAny(task, Task.Delay(3000)) == task && client.Connected;
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}
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}
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catch
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{
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return false;
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}
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}
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}
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public class NetworkStatus
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{
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public bool IsNetworkAvailable { get; set; }
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public bool CanPing { get; set; }
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public bool CanAccessHttp { get; set; }
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public bool CanAccessPort80 { get; set; }
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public bool CanAccessPort443 { get; set; }
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public void PrintStatus()
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{
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Console.WriteLine($"网络接口可用: {IsNetworkAvailable}");
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Console.WriteLine($"Ping测试: {CanPing}");
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Console.WriteLine($"HTTP访问: {CanAccessHttp}");
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Console.WriteLine($"端口80: {CanAccessPort80}");
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Console.WriteLine($"端口443: {CanAccessPort443}");
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}
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}
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}
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