OpenSim-Test/OpenSim/Framework/Monitoring/UserStatsCollector.cs

/*
 * Copyright (c) Contributors, http://opensimulator.org/
 * See CONTRIBUTORS.TXT for a full list of copyright holders.
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 * modification, are permitted provided that the following conditions are met:
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 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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 */

using System.Timers;

namespace OpenSim.Framework.Monitoring
{
    /// <summary>
    /// Collects user service statistics
    /// </summary>
    public class UserStatsCollector : BaseStatsCollector
    {
        private Timer ageStatsTimer = new Timer(24 * 60 * 60 * 1000);

        private int successfulLoginsToday;
        public int SuccessfulLoginsToday { get { return successfulLoginsToday; } }

        private int successfulLoginsYesterday;
        public int SuccessfulLoginsYesterday { get { return successfulLoginsYesterday; } }

        private int successfulLogins;
        public int SuccessfulLogins { get { return successfulLogins; } }

        private int logouts;
        public int Logouts { get { return logouts; } }

        public UserStatsCollector()
        {
            ageStatsTimer.Elapsed += new ElapsedEventHandler(OnAgeing);
            ageStatsTimer.Enabled = true;
        }

        private void OnAgeing(object source, ElapsedEventArgs e)
        {
            successfulLoginsYesterday = successfulLoginsToday;

            // There is a possibility that an asset request could occur between the execution of these
            // two statements.  But we're better off without the synchronization overhead.
            successfulLoginsToday = 0;
        }

        /// <summary>
        /// Record a successful login
        /// </summary>
        public void AddSuccessfulLogin()
        {
            successfulLogins++;
            successfulLoginsToday++;
        }

        public void AddLogout()
        {
            logouts++;
        }

        /// <summary>
        /// Report back collected statistical information.
        /// </summary>
        /// <returns></returns>
        override public string Report()
        {
            return string.Format(
@"Successful logins total : {0}, today : {1}, yesterday : {2}
          Logouts total : {3}",
                SuccessfulLogins, SuccessfulLoginsToday, SuccessfulLoginsYesterday, Logouts);
        }
    }
}