using System;
using System.Net;

namespace InternetConnectionChecking
{
    internal class Class1
    {
        [STAThread]
        private static void Main(string[] args)
        {
            Console.WriteLine(Checker.IsDeviceCradled());
        }
    }

    public enum CradleResult : uint
    {
        cradled,
        uncradled,
        webException,
        otherException
    } ;


    public class Checker
    {
        private const string Home = "127.0.0.1";

        public static CradleResult IsDeviceCradled()
        {
            try
            {
                string HostName = Dns.GetHostName();
                IPHostEntry IPHost = Dns.GetHostByName(HostName);
                string DeviceIP = IPHost.AddressList[0].ToString();
                if (DeviceIP != IPAddress.Parse(Home).ToString())
                {
                    return CradleResult.cradled;
                }
                else
                {
                    return CradleResult.uncradled;
                }
            }
            catch (WebException webEx)
            {
                return CradleResult.webException;
            }
            catch (Exception othEx)
            {
                return CradleResult.otherException;
            }
        }
    }
}