/* This file is part of the db4o object database http://www.db4o.com

Copyright (C) 2004 - 2011  Versant Corporation http://www.versant.com

db4o is free software; you can redistribute it and/or modify it under
the terms of version 3 of the GNU General Public License as published
by the Free Software Foundation.

db4o is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License along
with this program.  If not, see http://www.gnu.org/licenses/. */

#if !CF && !SILVERLIGHT

using System;
using System.Security.Principal;
using System.Threading;
using Db4objects.Db4o.Monitoring;

namespace Db4objects.Db4o.Tests.CLI1.Monitoring
{
    public class Db4oPerformanceCounterInstaller
    {
        private static bool _installed;

        public static void ReInstall()
        {
            if (_installed)
            {
                return;
            }

            if (IsCurrentUserAnAdministrator())
            {
                Db4oPerformanceCounters.ReInstall();
                _installed = true;
            }
        }

        private static bool IsCurrentUserAnAdministrator()
        {
            AppDomain.CurrentDomain.SetPrincipalPolicy(PrincipalPolicy.WindowsPrincipal);
            var principal = (WindowsPrincipal) Thread.CurrentPrincipal;
            return principal.IsInRole(WindowsBuiltInRole.Administrator);
        }
    }
}

#endif