/// <summary>
/// Cleans the egm data from datastore.
/// </summary>
/// <param name="arg1">The arg1.</param>
/// <param name="arg2">The arg2.</param>
private void CleanEgmDataFromDatastore(Timer arg1, object arg2)
{
var now = DateTime.UtcNow;
EgmEventDao.CleanOlderThan(now.Subtract(TimeSpan.FromHours(EventDataExpiryHours)));
EgmMeterReadingDao.CleanOlderThan(now.Subtract(TimeSpan.FromHours(MeterDataExpiryHours)));
EgmMetricDao.CleanOlderThan(now.Subtract(TimeSpan.FromHours(MetricDataExpiryHours)));
EgmWindowsEventDao.CleanOlderThan(now.Subtract(TimeSpan.FromHours(WindowsEventDataExpiryHours)));
EgmVersionDao.CleanOlderThan(now.Subtract(TimeSpan.FromHours(VersionDataExpiryHours)));
}
/// <summary>
/// Starts this instance.
/// </summary>
public void Start()
{
if (IsDisposed)
{
Logger.Warn("Cannot Start DataCleaner - it has been Disposed.");
return;
}
if (IsStarted)
{
Logger.Info("Cannot Start DataCleaner - it has already been started.");
return;
}
Logger.Debug("Starting DataCleaner");
lock (_locker)
{
IsStarted = true;
// this is here to initialize database (and apply any pending migrations) at startup
EgmEventDao.GetById(long.MinValue);
// set up the daily timers to fire at 10:00 AM and 10:15 AM (note that it will be UTC
// since servers are all set to UTC as time zone), respectively
var now = DateTime.Now;
var tenOClockAm = DateTime.Today.AddHours(10.0);
var tenFifteenAm = tenOClockAm.AddMinutes(15.0);
var tenTwentyAm = tenFifteenAm.AddMinutes(5.0);
var tenTwentyFiveAm = tenTwentyAm.AddMinutes(5.0);
// if already passed trigger times for today, we wait until tomorrow for first trigger
if (now > tenOClockAm)
{
tenOClockAm = tenOClockAm.AddDays(1.0);
}
if (now > tenFifteenAm)
{
tenFifteenAm = tenFifteenAm.AddDays(1.0);
}
if (now > tenTwentyAm)
{
tenTwentyAm = tenTwentyAm.AddDays(1.0);
}
if (now > tenTwentyFiveAm)
{
tenTwentyFiveAm = tenTwentyFiveAm.AddDays(1.0);
}
var secondsUntilTen = (tenOClockAm - now).TotalSeconds;
var secondsUntilTenFifteen = (tenFifteenAm - now).TotalSeconds;
var secondsUntilTenTwenty = (tenTwentyAm - now).TotalSeconds;
var secondsUntilTenTwentyFive = (tenTwentyFiveAm - now).TotalSeconds;
EgmDataCleanTimer = new CHGTimer();
EgmDataCleanTimer.TimerEvent += CleanEgmDataFromDatastore;
EgmDataCleanTimer.Start(TimeSpan.FromSeconds(secondsUntilTen),
TimeSpan.FromHours(EgmDataCleanIntervalHours));
DataBackupCleanTimer = new CHGTimer();
DataBackupCleanTimer.TimerEvent += CleanBackupData;
DataBackupCleanTimer.Start(TimeSpan.FromSeconds(secondsUntilTenFifteen),
TimeSpan.FromHours(DataBackupCleanIntervalHours));
DiagnosticDataCleanTimer = new CHGTimer();
DiagnosticDataCleanTimer.TimerEvent += CleanDiagnosticData;
DiagnosticDataCleanTimer.Start(TimeSpan.FromSeconds(secondsUntilTenTwenty),
TimeSpan.FromHours(DiagnosticDataCleanIntervalHours));
LocalExportDataCleanTimer = new CHGTimer();
LocalExportDataCleanTimer.TimerEvent += CleanLocalExportData;
LocalExportDataCleanTimer.Start(TimeSpan.FromSeconds(secondsUntilTenTwentyFive),
TimeSpan.FromHours(LocalExportDataCleanIntervalHours));
}
}