/// <summary>
/// Performs client database backups in a long running thread.
/// </summary>
private async Task CoreServiceClientDatabaseBackupsAsync()
{
var scheduler = new DatabaseBackupScheduler();
try
{
while (true)
{
try
{
// pull the timestamps that recents backups have been completed.
// ask the schedule which backup type (if any) should be performed based onthe recent history.
var recentBackups = await Database.GetClientDatabaseBackupStatusAsync().ConfigureAwait(false);
var backupToPerform = scheduler.NextDatabaseBackup(recentBackups);
if (backupToPerform != null)
{
// if a backup type was returned, then we can perform that backup type now.
await Database.CreateDatabaseBackupAsync(backupToPerform.Value).ConfigureAwait(false);
await Database.SetClientDatabaseBackupCompletedAsync(backupToPerform.Value).ConfigureAwait(false);
}
}
catch (Exception ex)
{
Logger.WriteTraceError("Failed to check for, or perform, a regularly scheduled backup of the client database.", ex, Logger.GenerateFullContextStackTrace());
}
await WaitAsync(TimeSpan.FromSeconds(60)).ConfigureAwait(false);
if (CancelSource.Token.IsCancellationRequested)
{
OnStopped(new EngineStoppedEventArgs(EngineStoppedReason.StopRequested, InstanceID));
break;
}
}
}
catch (Exception ex)
{
OnStopped(new EngineStoppedEventArgs(ex, InstanceID));
}
}
public void TestSetup()
{
Scheduler = new DatabaseBackupScheduler();
}