opensim/OpenSim/Framework/Statistics/UserStatsReporter.cs

/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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*/

using System.Text;
using System.Timers;

namespace OpenSim.Framework.Statistics
{
    /// <summary>
    /// Description of UserStatsReporter.
    /// </summary>
    public class UserStatsReporter
    {
        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 UserStatsReporter()
        {
            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>
        public string Report()
        {
            return string.Format(
@"Successful logins total : {0}, today : {1}, yesterday : {2}
          Logouts total : {3}",
                SuccessfulLogins, SuccessfulLoginsToday, SuccessfulLoginsYesterday, Logouts);
        }
    }
}