// Calculate the next scheduled run for a task
// Based off of a cron expression for the schedule
public static DateTime CalculateNextRun(DateTime currentSched, string scheduleCron)
{
CrontabSchedule sched = CrontabSchedule.Parse(scheduleCron);
DateTime today = DateTime.Today;
DateTime end = new DateTime(2100, 12, 31);
DateTime nextSched = sched.GetNextOccurrence(currentSched, end);
bool isLastOfMonth = scheduleCron.Substring(0, scheduleCron.Length).Contains("28-31");
if (isLastOfMonth)
{
while (nextSched.Day != DateTime.DaysInMonth(nextSched.Year, nextSched.Month))
{
nextSched = nextSched.AddDays(1);
}
}
while (nextSched <= today)
{
nextSched = sched.GetNextOccurrence(nextSched, end);
if (nextSched.Month == today.Month && isLastOfMonth)
{
while (nextSched.Day != DateTime.DaysInMonth(nextSched.Year, nextSched.Month))
{
nextSched = nextSched.AddDays(1);
}
}
}
return(nextSched);
}
public BedrockServiceWrapper(bool throwOnStart, bool throwOnStop, bool throwUnhandled)
{
try
{
_settings = AppSettings.Instance;
bedrockServers = new List <BedrockServerWrapper>();
_settings.ServerConfig.ForEach(t => bedrockServers.Add(new BedrockServerWrapper(t, _settings.BackupConfig)));
if (_settings.BackupConfig.BackupOn && _settings.BackupConfig.BackupIntervalMinutes > 0)
{
backupTimer = new System.Timers.Timer(_settings.BackupConfig.BackupIntervalMinutes * 60000);
backupTimer.Elapsed += BackupTimer_Elapsed;
backupTimer.Start();
}
shed = CrontabSchedule.TryParse(_settings.BackupConfig.BackupIntervalCron);
if (_settings.BackupConfig.BackupOn && shed != null)
{
var nextRun = shed.GetNextOccurrence(DateTime.Now);
cronTimer = new System.Timers.Timer((shed.GetNextOccurrence(DateTime.Now) - DateTime.Now).TotalMilliseconds);
cronTimer.Elapsed += CronTimer_Elapsed;
cronTimer.Start();
}
}
catch (Exception e)
{
_log.Fatal("Error Instantiating BedrockServiceWrapper", e);
}
}
public static bool UpdateTaskFromSchedule(Event @event)
{
CrontabSchedule schedule = CrontabSchedule.TryParse(
@event.EventFrequency.GetCronValue(),
new CrontabSchedule.ParseOptions {
IncludingSeconds = true
});
if (schedule != null)
{
if (crontabSchedule.ContainsKey(@event.Id))
{
crontabSchedule[@event.Id] = schedule;
crontabNextRun[@event.Id] = schedule.GetNextOccurrence(DateTime.UtcNow);
}
else
{
crontabSchedule.Add(@event.Id, schedule);
crontabNextRun.Add(@event.Id, schedule.GetNextOccurrence(DateTime.UtcNow));
}
}
else
{
crontabSchedule.Remove(@event.Id);
crontabNextRun.Remove(@event.Id);
}
return(true);
}
public void Run(TaskService <bool> task, CancellationToken cancellationToken)
{
CrontabSchedule _schedule = CrontabSchedule.Parse(task.Expression, new CrontabSchedule.ParseOptions {
IncludingSeconds = true
});
var _nextRun = _schedule.GetNextOccurrence(DateTime.Now);
while (!cancellationToken.IsCancellationRequested)
{
var now = DateTime.Now;
if (now > _nextRun)
{
Debug.WriteLine($"Debug start: ${task.Name}");
if (task.Fork)
{
Task.Factory.StartNew(() =>
{
task.Func();
});
}
else
{
task.Func();
}
_nextRun = _schedule.GetNextOccurrence(DateTime.Now);
}
Thread.Sleep(1500);
}
}
private static TimeSpan CompareTwoCronOccurrences(CrontabSchedule schedule)
{
var from = schedule.GetNextOccurrence(DateTime.Now); // <-- throw this one away to normalize
from = schedule.GetNextOccurrence(from);
var to = schedule.GetNextOccurrence(from);
var diff = to - from;
return(diff);
}
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
do
{
var now = DateTime.Now;
var nextrun = _schedule.GetNextOccurrence(now);
if (now > _nextRun)
{
Process();
_nextRun = _schedule.GetNextOccurrence(DateTime.Now);
}
}while (!stoppingToken.IsCancellationRequested);
}
public void Every_nth_and_mth_weekday(DayOfWeek n, DayOfWeek m, int expected)
{
string cron = CronTemplates.WeekDaily(onDays: new[] { n, m });
CrontabSchedule schedule = CrontabSchedule.Parse(cron);
// These tests would be temporal if we used 'now', so must start from a known fixed date
DateTime start = new DateTime(2016, 9, 4);
DateTime from = schedule.GetNextOccurrence(start); // should always start on 9/5/2016 (Monday)
DateTime to = schedule.GetNextOccurrence(from);
TimeSpan diff = to - from;
Assert.Equal(expected, diff.Days);
}
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
do
{
var now = DateTime.Now;
var nextrun = _schedule.GetNextOccurrence(now);
if (now > _nextRun)
{
LeadsProcess();
_nextRun = _schedule.GetNextOccurrence(DateTime.Now);
}
await Task.Delay(5000, stoppingToken); //5 seconds delay
}while (!stoppingToken.IsCancellationRequested);
}
protected override async Task ExecuteAsync(CancellationToken cancellationToken)
{
do
{
var now = DateTime.Now;
var nextRun = _schedule.GetNextOccurrence(now);
if (now > _nextRun)
{
await Process();
_nextRun = _schedule.GetNextOccurrence(DateTime.Now);
}
await Task.Delay(5000, cancellationToken);
}while (!cancellationToken.IsCancellationRequested);
}
private static TimeSpan CompareTwoCronOccurrences(CrontabSchedule schedule)
{
var now = DateTime.Now; // <-- throw this one away to normalize
now = new DateTime(now.AddMonths(1).Year, now.AddMonths(1).Month,
1); // <-- advance to next month to catch off-by-one errors
var from = schedule.GetNextOccurrence(now);
from = schedule.GetNextOccurrence(from);
var to = schedule.GetNextOccurrence(from);
var diff = to - from;
return(diff);
}
protected ScheduledProcessor(IServiceScopeFactory serviceScopeFactory) : base(serviceScopeFactory)
{
_schedule = CrontabSchedule.Parse(Schedule);
_nextRun = _schedule.GetNextOccurrence(DateTime.Now);
Log.Information($"[Background-service] - {TaskName} | {_nextRun:dd-MM-yyyy HH:mm:ss}");
}
public override async Task <string> RunTask(OrchestrationContext context, string cronSchedule)
{
var numberOfTimes = 4;
var runAfterEverySeconds = 10;
for (var i = 1; i <= numberOfTimes; i++)
{
ServiceEventSource.Current.Message($"Schedule CronTask({i}) start");
DateTime currentTime = context.CurrentUtcDateTime;
DateTime fireAt;
if (string.IsNullOrWhiteSpace(cronSchedule))
{
fireAt = currentTime.AddSeconds(runAfterEverySeconds);
}
else
{
CrontabSchedule schedule = CrontabSchedule.Parse(cronSchedule);
fireAt = schedule.GetNextOccurrence(context.CurrentUtcDateTime);
}
string attempt = await context.CreateTimer(fireAt, i.ToString());
ServiceEventSource.Current.Message($"Schedule CronTask({i}) at {fireAt}");
Task <string> resultTask = context.ScheduleTask <string>(typeof(CronTask), attempt);
await resultTask;
}
return("Done");
}
public ExchangeRateRefreshService(IConfiguration configuration,
IExchangeRatesService exchangeRatesService)
{
_schedule = CrontabSchedule.Parse(configuration.GetValue <string>("ExchangeRateRefreshCronSchedule"));
_nextExecution = _schedule.GetNextOccurrence(DateTime.Now);
_exchangeRatesService = exchangeRatesService;
}
private string Schedule => "*/10 * * * * *"; //Runs every 10 seconds
public FineService()
{
_schedule = CrontabSchedule.Parse(Schedule, new CrontabSchedule.ParseOptions {
IncludingSeconds = true
});
_nextRun = _schedule.GetNextOccurrence(DateTime.Now);
}
protected CronScheduledService(
IServiceScopeFactory serviceScopeFactory,
string cronSchedule) : base(serviceScopeFactory)
{
_schedule = CrontabSchedule.Parse(cronSchedule);
_nextRun = _schedule.GetNextOccurrence(DateTime.Now);
}
/// <summary>
/// When implemented in a derived class, executes when a Start command is sent to the service by the Service Control Manager (SCM) or when the operating system starts (for a service that starts automatically). Specifies actions to take when the service starts.
/// </summary>
/// <param name="args">Data passed by the start command.</param>
protected override void OnStart(string[] args)
{
var taskClassType = typeof(T);
_invokeMethodInfo = taskClassType.GetMethod(InvokeMethodName);
if (_invokeMethodInfo == null)
{
throw new ServiceInitializationException(string.Format("Method {0} not found in class {1}", InvokeMethodName, taskClassType.Name));
}
_isParameterlessMethod = !_invokeMethodInfo.GetParameters().Any();
if (!string.IsNullOrEmpty(Settings.CrontabExpression))
{
_schedule = CrontabSchedule.TryParse(Settings.CrontabExpression);
if (_schedule == null)
{
throw new ServiceInitializationException(string.Format("Crontab expression parsing failed, expression: '{0}'", Settings.CrontabExpression));
}
_nextOccurrence = _schedule.GetNextOccurrence(TimeProvider.Current.Now);
_timer = new Timer(OnCronTimerTick, null, 1000, 60000);
}
else
{
_timer = new Timer(OnStartWork, null, 1000, Settings.ProcessingInterval * 1000);
}
base.OnStart(args);
}
public override async Task <string> RunTask(OrchestrationContext context, string cronSchedule)
{
int numberOfTimes = 4;
bool waitForCompletion = false;
int runAfterEverySeconds = 10;
for (int i = 1; i <= numberOfTimes; i++)
{
DateTime currentTime = context.CurrentUtcDateTime;
DateTime fireAt;
if (string.IsNullOrWhiteSpace(cronSchedule))
{
fireAt = currentTime.AddSeconds(runAfterEverySeconds);
}
else
{
CrontabSchedule schedule = CrontabSchedule.Parse(cronSchedule);
fireAt = schedule.GetNextOccurrence(context.CurrentUtcDateTime);
}
var attempt = await context.CreateTimer <string>(fireAt, i.ToString());
Task <string> resultTask = context.ScheduleTask <string>(typeof(CronTask), attempt);
if (waitForCompletion)
{
await resultTask;
}
}
return("Done");
}
internal async Task <bool> StartIfScheduledAsync(DateTime now, CancellationToken cancellationToken = default(CancellationToken))
{
var nextDate = _cronSchedule.GetNextOccurrence(now.AddMinutes(-1));
// not time yet
if (nextDate > now)
{
return(false);
}
// check if already run
if (LastRun != null && LastRun.Value == nextDate)
{
return(false);
}
return(await _lockProvider.TryUsingAsync(GetLockKey(nextDate), t => {
LastRun = nextDate;
// start running the job in a thread
RunTask = Task.Factory.StartNew(() => {
_runner.RunAsync(cancellationToken).GetAwaiter().GetResult();
}, cancellationToken);
return Task.CompletedTask;
}, TimeSpan.Zero, TimeSpan.Zero));
}
private async Task Run()
{
while (!_cancellationTokenSource.Token.IsCancellationRequested)
{
var now = DateTime.Now;
if (now > _nextOccurrence)
{
if (_processTask == null)
{
_processTask = Process(_cancellationTokenSource.Token);
}
try
{
await _processTask;
}
finally
{
_processTask = null;
}
_nextOccurrence = _schedule.GetNextOccurrence(DateTime.Now);
}
await Task.Delay(TimeSpan.FromSeconds(5), _cancellationTokenSource.Token);
}
}
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
await Task.Yield();
_logger.LogInformation("ScheduledService started");
while (!stoppingToken.IsCancellationRequested)
{
try
{
var now = DateTime.Now;
if (now > _nextRun)
{
await Process();
_nextRun = _schedule.GetNextOccurrence(DateTime.Now);
}
}
catch (Exception ex)
{
_logger.LogError(ex, "Unhandled exception occurred, will retry processing at next interval");
}
await Task.Delay(15000, stoppingToken);
}
}
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
while (!stoppingToken.IsCancellationRequested)
{
var now = DateTime.Now;
var nextrun = _schedule.GetNextOccurrence(now);
if (now > _nextRun)
{
_logger.LogInformation("Worker running at: {time}", DateTimeOffset.Now);
new Commit(_serviceSlack);
_nextRun = _schedule.GetNextOccurrence(DateTime.Now);
}
await Task.Delay(1000 * 60, stoppingToken);
}
}
protected CronService(string cron)
{
_schedule = Parse(cron, new ParseOptions {
IncludingSeconds = true
});
nextRun = _schedule.GetNextOccurrence(DateTime.Now);
}
private void UpdateTimer_Elapsed(object sender, ElapsedEventArgs e)
{
try
{
if (updaterTimer != null)
{
updaterTimer.Stop();
updaterTimer = null;
}
Task<bool> task = Updater.CheckUpdates();
task.Wait();
if (InstanceProvider.GetHostInfo().GetGlobalValue("CheckUpdates") == "true" && updater != null && task.Result)
{
if (Updater.VersionChanged)
{
InstanceProvider.GetServiceLogger().AppendLine("Version change detected! Restarting server(s) to apply update...");
if (Stop(_hostControl))
{
Start(_hostControl);
}
}
updaterTimer = new System.Timers.Timer((updater.GetNextOccurrence(DateTime.Now) - DateTime.Now).TotalMilliseconds);
updaterTimer.Elapsed += UpdateTimer_Elapsed;
updaterTimer.Start();
}
}
catch (Exception ex)
{
_log.Error("Error in UpdateTimer_Elapsed", ex);
}
}
public SubscriptionRenewal(IConfiguration configuration)
{
_schedule = CrontabSchedule.Parse(Schedule, new CrontabSchedule.ParseOptions {
IncludingSeconds = true
});
_nextRun = _schedule.GetNextOccurrence(DateTime.Now);
/* _context = new DBContext(configuration.GetConnectionString("AIHoldingDB"));*/
}
public void NextOccurrence_ReturnsCorrectValue()
{
var instant = CreateInstant();
var value = instant.NextOccurrence;
Assert.Equal(_schedule.GetNextOccurrence(_utcTime), value);
}
public CronJobService(ICheckExpirationService check)
{
_check = check;
_schedule = CrontabSchedule.Parse(Schedule);
_nextRun = _schedule.GetNextOccurrence(DateTime.Now);
}
private string Schedule => "*/10 * * * * *"; //Runs every 10 seconds
public LeadShcedulerService(IApplicationDbContextFactory applicationDbContextFactory)
{
ApplicationDbContextFactory = applicationDbContextFactory;
_schedule = CrontabSchedule.Parse(Schedule, new CrontabSchedule.ParseOptions {
IncludingSeconds = true
});
_nextRun = _schedule.GetNextOccurrence(DateTime.Now);
}
public void Activate(CancellationToken token)
{
_cancellationTokenSource = CancellationTokenSource.CreateLinkedTokenSource(token);
_schedule = CrontabSchedule.Parse(_folderConfiguration.Schedule);
_nextOccurrence = _schedule.GetNextOccurrence(DateTime.Now);
_runningTask = Task.Factory.StartNew(Run, TaskCreationOptions.LongRunning);
}
public ScheduledService(IOptions <AppSettings> appSettings, ILogger <ScheduledService> logger, IHttpClientFactory clientFactory)
{
_schedule = CrontabSchedule.Parse(Schedule);
_nextRun = _schedule.GetNextOccurrence(DateTime.Now);
_appSettings = appSettings.Value;
_logger = logger;
_clientFactory = clientFactory;
}
private string Schedule => "*/10 * * * * *"; //Runs every 10 seconds
//* * * * * *
//- - - - - -
//| | | | | |
//| | | | | +--- day of week(0 - 6) (Sunday=0)
//| | | | +----- month(1 - 12)
//| | | +------- day of month(1 - 31)
//| | +--------- hour(0 - 23)
//| +----------- min(0 - 59)
//+------------- sec(0 - 59)
public YilCronHostedService(ISensorTransactionCheckService sensorTransactionService)
{
this.sensorTransactionService = sensorTransactionService;
_schedule = CrontabSchedule.Parse(Schedule, new CrontabSchedule.ParseOptions {
IncludingSeconds = true
});
_nextRun = _schedule.GetNextOccurrence(DefaultValue.Today);
}
public ScheduleInstant(DateTime utcTime, [NotNull] CrontabSchedule schedule)
{
if (utcTime.Kind != DateTimeKind.Utc)
{
throw new ArgumentException("Only DateTime values in UTC should be passed.", "utcTime");
}
if (schedule == null) throw new ArgumentNullException("schedule");
_schedule = schedule;
UtcTime = utcTime;
NextOccurrence = _schedule.GetNextOccurrence(UtcTime);
}
public ScheduleInstant(DateTime nowInstant, TimeZoneInfo timeZone, [NotNull] CrontabSchedule schedule)
{
if (schedule == null) throw new ArgumentNullException("schedule");
if (nowInstant.Kind != DateTimeKind.Utc)
{
throw new ArgumentException("Only DateTime values in UTC should be passed.", "nowInstant");
}
_timeZone = timeZone;
_schedule = schedule;
NowInstant = SchedulerResolution.Current.CalculateNowInstant(nowInstant, timeZone, _schedule.GetNextOccurrence);
NextInstant = TimeZoneInfo.ConvertTimeToUtc(
_schedule.GetNextOccurrence(TimeZoneInfo.ConvertTimeFromUtc(NowInstant, _timeZone)),
_timeZone);
}
public ScheduleInstant(DateTime nowInstant, TimeZoneInfo timeZone, [NotNull] CrontabSchedule schedule)
{
if (schedule == null) throw new ArgumentNullException("schedule");
if (nowInstant.Kind != DateTimeKind.Utc)
{
throw new ArgumentException("Only DateTime values in UTC should be passed.", "nowInstant");
}
_timeZone = timeZone;
_schedule = schedule;
NowInstant = nowInstant.AddSeconds(-nowInstant.Second);
NextInstant = TimeZoneInfo.ConvertTime(
_schedule.GetNextOccurrence(TimeZoneInfo.ConvertTime(NowInstant, TimeZoneInfo.Utc, _timeZone)),
_timeZone,
TimeZoneInfo.Utc);
}
public DateTime GetNextOccurrence(CrontabSchedule schedule)
{
return schedule.GetNextOccurrence(CurrentDateTime);
}