// (c) 2007 Richard Grimes
// www.grimes.demon.co.uk

using System;
using System.Diagnostics;

class Server
{
   const string catName = "Data Generator";
   const string catHelp = "Generates random sample data";
   const string ctrName = "# Connected Clients";
   const string ctrHelp = "The number of clients connected to the server";

   static void Main(string[] args)
   {
      if (args.Length > 0)
      {
         // Delete category
         if (PerformanceCounterCategory.Exists(catName))
         {
            PerformanceCounterCategory.Delete(catName);
         }
         return;
      }

      if (!PerformanceCounterCategory.Exists(catName))
      {
         // Create new counter if it does not exist
         CounterCreationDataCollection ccdc = new CounterCreationDataCollection();
         CounterCreationData ccd = 
            new CounterCreationData(ctrName, ctrHelp, 
            PerformanceCounterType.NumberOfItems32);
         ccdc.Add(ccd);
         PerformanceCounterCategory.Create(
            catName, catHelp,
            PerformanceCounterCategoryType.SingleInstance,
            ccdc);
         Console.WriteLine("Category created, re-run the application");
         return;
      }
   }
}