MARKUS

using System;

using System.Collections.Generic;

using System.Linq;

using System.Net.NetworkInformation;

using System.Text;

using System.Threading.Tasks;

namespace Markus.Service.Extensions

{

    /// <summary>

    /// 네트워크 관련 확장코드

    /// </summary>

   public static  class SytemNet

    {

        /// <summary>

        /// 웹uri 활성화 상태 체크

        /// </summary>

        /// <param name="strUri"></param>

        /// <returns></returns>

        public static async Task<bool> PingAsync(string strUri)

        {

            bool result = false;

            try

            {

                Uri uri = new Uri(strUri);

                Ping pingSender = new Ping();

                PingReply reply = pingSender.Send(uri.Host);

                if (reply.Status == IPStatus.Success)

                {

                    using (System.Net.Http.HttpClient Client = new System.Net.Http.HttpClient())

                    {

                        Client.Timeout = new TimeSpan(0, 1,0);

                        var message = await Client.GetAsync(uri);

                        System.Net.Http.HttpResponseMessage responseMessage = message;

                        System.Net.HttpStatusCode StatusCode = responseMessage.StatusCode;

                        switch (StatusCode)

                        {

                            case System.Net.HttpStatusCode.Accepted:

                            case System.Net.HttpStatusCode.OK:

                                result = true;

                                break;

                        }

                    }

                }

                else

                {

                    result = false;

                }

            }

            catch (AggregateException ae)

            {

                foreach (var e in ae.InnerExceptions)

                {

                    // Handle the custom exception.

                    if (e is CustomException)

                    {

                        Console.WriteLine(e.Message);

                    }

                    // Rethrow any other exception.

                    else

                    {

                        Console.WriteLine(strUri + " Connection Error");

                    }

                }

            }

            catch (Exception)

            {

            }

            return result;

        }

    }

    public class CustomException : Exception

    {

        public CustomException(String message) : base(message)

        { }

    }

}