C# 实现Ping远程主机功能及代码演示

/// <summary>
 /// 对指定主机执行 ping 操作并返回结果
 /// Ping the specified host and return the result
 /// </summary>
 /// <param name="host">需要被 ping 的主机或 IP 地址 The hostname or IP address to ping</param>
 /// <param name="timeout">ping 超时时间，以毫秒为单位 Timeout duration in milliseconds for ping</param>
 /// <returns>包含 ping 操作结果的 PingResultInfo 对象 A PingResultInfo object containing the result of the ping operation</returns>
 public static PingResultInfo PingHost(string host, int timeout)
 {
     try
     {
         // 解析域名获取 IP 地址
         // Resolve the domain name to get IP address
         IPAddress[] addresses = Dns.GetHostAddresses(host);
         if (addresses.Length == 0)
         {
             return new PingResultInfo
             {
                 Host = null,
                 Result = false,
                 Message = "No IP addresses resolved"
             };
         }
         using (Ping pingSender = new Ping())
         {
             PingOptions options = new PingOptions
             {
                 // 设置防止数据包被分片
                 DontFragment = true // Prevent packet fragmentation
             };
             // 数据缓冲区，包含要发送的字符串数据
             // Data buffer containing the string data to send
             string data = "ABCDEFGHIJKLMNOPQRSTUVWXYZ012345";
             byte[] buffer = Encoding.ASCII.GetBytes(data);
             // 使用第一个解析的 IP 地址进行 ping 操作
             // Use the first resolved IP address to perform the ping
             IPAddress targetIP = addresses[0];
             // 发送 ping 请求并获取回复
             // Send the ping request and obtain the reply
             PingReply reply = pingSender.Send(targetIP, timeout, buffer, options);
             // 创建并返回包含 ping 操作结果的 PingResultInfo 对象
             // Create and return a PingResultInfo object containing the ping result
             return new PingResultInfo
             {
                 Host = targetIP,
                 Result = reply.Status == IPStatus.Success,
                 Message = reply.Status == IPStatus.Success
                     ? $"Success: RoundTrip time={reply.RoundtripTime}ms; TTL={reply.Options.Ttl}; Data size={buffer.Length} bytes"
                     : $"Failed: Status={reply.Status}",
                 RoundTripTime = reply.Status == IPStatus.Success ? reply.RoundtripTime : -1,
                 Ttl = reply.Status == IPStatus.Success ? reply.Options.Ttl : -1,
                 DataSize = buffer.Length
             };
         }
     }
     catch (Exception e)
     {
         // 捕获异常并返回错误信息
         // Catch any exceptions and return error information
         return new PingResultInfo
         {
             Host = null,
             Result = false,
             Message = $"错误: {e.Message} Error: {e.Message}"
         };
     }
 }