using System;
using System.Diagnostics;
 
namespace pingTest1 {
 
	class MainClass {
 
		public static void Main(string[] args) {
			string host = "vbarchiv.de";
			bool res = Utils.Ping (host);
			if (res) {
				Console.WriteLine("INFO: ok. host reachable");
			}else {
				Console.WriteLine("ERROR: unknown host " + host + " / host unreachable"	);
			}
			Console.ReadLine();
		}
 
	}
 
	public class Utils {
 
		public static bool Ping(string host) {
			string cmd 		= "ping";
			string cmdArgs  = host;
			bool isUnix 	= ( (int) System.Environment.OSVersion.Platform == 128 );
			Process process = null;
			ProcessStartInfo processInfo = null;
			Console.WriteLine ("INFO: OS: " + System.Environment.OSVersion.ToString());			
			if ( isUnix ) {  
				cmdArgs += " -c 2";
			} 
			Console.WriteLine("INFO: CMD: \"" + cmd + cmdArgs + "\"");
			process 	= new Process();
			processInfo = new ProcessStartInfo();
			processInfo.FileName = cmd;
			processInfo.Arguments = cmdArgs;
			processInfo.UseShellExecute = false;
			processInfo.CreateNoWindow = true;
			processInfo.RedirectStandardOutput = true;
			process.StartInfo = processInfo;
			process.Start();
			process.WaitForExit();
			Console.WriteLine ("INFO: Exitcode: " + process.ExitCode.ToString());
			return ( (isUnix && process.ExitCode == 0 ) || ( !isUnix && process.ExitCode _
  == 1) );
		}
 
	}
}