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);
var nextOccurrences = _schedule.GetNextOccurrences(
TimeZoneInfo.ConvertTime(NowInstant, TimeZoneInfo.Utc, _timeZone),
DateTime.MaxValue);
foreach (var nextOccurrence in nextOccurrences)
{
if (_timeZone.IsInvalidTime(nextOccurrence)) continue;
NextInstant = TimeZoneInfo.ConvertTime(nextOccurrence, _timeZone, TimeZoneInfo.Utc);
break;
}
}
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);
var nextOccurrences = _schedule.GetNextOccurrences(
TimeZoneInfo.ConvertTime(NowInstant, TimeZoneInfo.Utc, _timeZone),
DateTime.MaxValue);
foreach (var nextOccurrence in nextOccurrences)
{
if (_timeZone.IsInvalidTime(nextOccurrence))
{
continue;
}
NextInstant = TimeZoneInfo.ConvertTime(nextOccurrence, _timeZone, TimeZoneInfo.Utc);
break;
}
}
public ScheduledJobRunner(Func <IJob> jobFactory, string schedule, ICacheClient cacheClient, ILoggerFactory loggerFactory = null)
{
_jobFactory = jobFactory;
Schedule = schedule;
_logger = loggerFactory?.CreateLogger <ScheduledJobRunner>() ?? NullLogger <ScheduledJobRunner> .Instance;
_runner = new JobRunner(jobFactory, loggerFactory, runContinuous: false);
_cronSchedule = CrontabSchedule.TryParse(schedule, s => s, e => {
var ex = e();
if (_logger.IsEnabled(LogLevel.Error))
{
_logger.LogError(ex, "Error parsing schedule {Schedule}: {Message}", schedule, ex.Message);
}
return(null);
});
if (_cronSchedule == null)
{
throw new ArgumentException("Could not parse schedule.", nameof(schedule));
}
var dates = _cronSchedule.GetNextOccurrences(SystemClock.UtcNow, DateTime.MaxValue).Take(2).ToList();
var interval = TimeSpan.FromDays(1);
if (dates.Count == 2)
{
interval = dates[1].Subtract(dates[0]);
}
_lockProvider = new ThrottlingLockProvider(cacheClient, 1, interval.Add(interval));
}
public ScheduleInstant(DateTime nowInstant, TimeZoneInfo timeZone, [NotNull] CrontabSchedule schedule, DateTime?endDate = null)
{
if (schedule == null)
{
throw new ArgumentNullException(nameof(schedule));
}
if (nowInstant.Kind != DateTimeKind.Utc)
{
throw new ArgumentException("Only DateTime values in UTC should be passed.", nameof(nowInstant));
}
_timeZone = timeZone;
_schedule = schedule;
NowInstant = nowInstant.AddSeconds(-nowInstant.Second);
var occurenceEndDate = endDate ?? DateTime.MaxValue;
var nextOccurrences = _schedule.GetNextOccurrences(TimeZoneInfo.ConvertTime(NowInstant, TimeZoneInfo.Utc, _timeZone), occurenceEndDate)
.Where(x => x != occurenceEndDate); // Explicitly exclude the end date
foreach (var nextOccurrence in nextOccurrences)
{
if (_timeZone.IsInvalidTime(nextOccurrence))
{
continue;
}
NextInstant = TimeZoneInfo.ConvertTime(nextOccurrence, _timeZone, TimeZoneInfo.Utc);
break;
}
}
/// <inheritdoc />
public IEnumerable <DateTime> GetNextOccurrences(DateTime baseTime, DateTime endTime)
{
DateTime adjustedBaseTime = AdjustDateTime(baseTime);
DateTime adjustedEndTime = AdjustDateTime(endTime);
return(crontabSchedule
.GetNextOccurrences(adjustedBaseTime, adjustedEndTime)
.Select(AdjustOccurrence));
}
public IEnumerable <DateTime> GetMatches(DateTime?lastMachingTime)
{
if (lastMachingTime.HasValue && lastMachingTime.Value.Kind != DateTimeKind.Utc)
{
throw new ArgumentException("Only DateTime values in UTC should be passed.", "lastMachingTime");
}
var baseTime = lastMachingTime ?? UtcTime.AddSeconds(-1);
var endTime = UtcTime.AddSeconds(1);
return(_schedule.GetNextOccurrences(baseTime, endTime));
}
public static DateTime GetLastScheduledOccurence(this CrontabSchedule schedule, DateTime dateTime)
{
var occurences = schedule.GetNextOccurrences(dateTime, DateTime.MaxValue)
.Cast <DateTime?>()
.Prepend(default(DateTime?))
.Pairwise((prev, curr) => new { Previous = prev, Current = curr }).Take(5);
var occurence = occurences.Skip(1).Take(1).Single();
var timespan = occurence.Current - occurence.Previous;
DateTime lastOccurrence = (occurence.Previous ?? DateTime.MinValue) - (timespan ?? TimeSpan.FromSeconds(0));
return(lastOccurrence);
}
private IEnumerable <DateTimeOffset> GetFiniteSeriesOccurrences(DateTimeOffset end)
{
CrontabSchedule schedule = TryParseCron();
if (schedule == null)
{
return(Enumerable.Empty <DateTimeOffset>());
}
IEnumerable <DateTime> nextOccurrences = schedule.GetNextOccurrences(RunAt.UtcDateTime, end.UtcDateTime);
IEnumerable <DateTimeOffset> occurrences = nextOccurrences.Select(o => new DateTimeOffset(o));
return(occurrences);
}
public IEnumerable <DateTime> GetNextInstants(DateTime lastInstant)
{
if (lastInstant.Kind != DateTimeKind.Utc)
{
throw new ArgumentException("Only DateTime values in UTC should be passed.", nameof(lastInstant));
}
return(_schedule
.GetNextOccurrences(
TimeZoneInfo.ConvertTime(lastInstant, TimeZoneInfo.Utc, _timeZone),
TimeZoneInfo.ConvertTime(NowInstant.AddSeconds(1), TimeZoneInfo.Utc, _timeZone))
.Where(x => !_timeZone.IsInvalidTime(x))
.Select(x => TimeZoneInfo.ConvertTime(x, _timeZone, TimeZoneInfo.Utc))
.ToList());
}
private static bool Test(this CrontabSchedule schedule, Booking booking, DateTime start, DateTime end, IList <Booking> bookings, out IList <DateTime> availableMinutes)
{
if (bookings == null)
{
bookings = new Booking[0];
}
availableMinutes = schedule.GetNextOccurrences(start.AddMinutes(-1), end).Where(d =>
{
return(d >= booking.Start && d < booking.End);
}).ToList();
var isAvailable = availableMinutes.Count() == booking.Duration.TotalMinutes;
Console.WriteLine($"{availableMinutes.Count()}/{booking.Duration.TotalMinutes} available in [{schedule}]");
return(isAvailable);
}
public IEnumerable <DateTime> GetNextInstants(DateTime?lastInstant)
{
if (lastInstant.HasValue && lastInstant.Value.Kind != DateTimeKind.Utc)
{
throw new ArgumentException("Only DateTime values in UTC should be passed.", "lastInstant");
}
var baseTime = lastInstant ?? NowInstant.AddSeconds(-1);
var endTime = NowInstant.AddSeconds(1);
return(_schedule
.GetNextOccurrences(
TimeZoneInfo.ConvertTimeFromUtc(baseTime, _timeZone),
TimeZoneInfo.ConvertTimeFromUtc(endTime, _timeZone))
.Select(x => TimeZoneInfo.ConvertTimeToUtc(x, _timeZone))
.ToList());
}
// Only the Excel thread should touch m_Timer.Enabled. If a pool thread can flip the
// state of Enabled we may get race conditions with timers being inadvertently
// re-enabled after being switched off.
public CronTimer(String ckey, String cronex, DateTime?start, DateTime?end)
{
// Save setup parms so later invocations of AddCron can check whether we need
// to create a new instance or not.
m_Key = ckey;
m_Cronex = cronex;
m_Start = start;
m_End = end;
// Now do the real biz of setting up the timer.
DateTime sStart = start ?? DateTime.Now;
DateTime sEnd = end ?? new DateTime(sStart.Year, sStart.Month, sStart.Day, 23, 59, 59);
CrontabSchedule schedule = CrontabSchedule.Parse(cronex);
m_Schedule = schedule.GetNextOccurrences(sStart, sEnd);
m_Iterator = m_Schedule.GetEnumerator( );
m_Timer = new System.Timers.Timer( );
m_Timer.Enabled = false;
m_Timer.AutoReset = false;
m_Timer.Elapsed += this.OnTimerEvent;
ScheduleTimer( );
m_Timer.Enabled = true;
}
void DoCrontabbing()
{
_resultBox.Clear();
_errorProvider.SetError(_cronBox, null);
_statusBarPanel.Text = "Ready";
_moreButton.Enabled = false;
if (_crontab == null)
{
try
{
var expression = _cronBox.Text.Trim();
if (expression.Length == 0)
{
return;
}
_isSixPart = expression.Split(Separators, StringSplitOptions.RemoveEmptyEntries).Length == 6;
_crontab = CrontabSchedule.Parse(expression, new CrontabSchedule.ParseOptions {
IncludingSeconds = _isSixPart
});
_totalOccurrenceCount = 0;
_startTime = DateTime.ParseExact(_startTimePicker.Text,
_startTimePicker.CustomFormat, CultureInfo.InvariantCulture,
DateTimeStyles.AssumeLocal) - (_isSixPart ? TimeSpan.FromSeconds(1): TimeSpan.FromMinutes(1));
}
catch (CrontabException e)
{
_errorProvider.SetError(_cronBox, e.Message);
var traceBuilder = new StringBuilder();
Exception traceException = e;
Exception lastException;
do
{
traceBuilder.Append(traceException.Message);
traceBuilder.Append("\r\n");
lastException = traceException;
traceException = traceException.GetBaseException();
}while (lastException != traceException);
_resultBox.Text = traceBuilder.ToString();
return;
}
}
var endTime = DateTime.ParseExact(_endTimePicker.Text,
_endTimePicker.CustomFormat, CultureInfo.InvariantCulture,
DateTimeStyles.AssumeLocal);
var sb = new StringBuilder();
var count = 0;
const int maxCount = 500;
var info = DateTimeFormatInfo.CurrentInfo;
var dayWidth = info.AbbreviatedDayNames.Max(s => s.Length);
var monthWidth = info.AbbreviatedMonthNames.Max(s => s.Length);
var timeComponent = _isSixPart ? "HH:mm:ss" : "HH:mm";
var timeFormat = $"{{0,-{dayWidth}:ddd}} {{0:dd}}, {{0,-{monthWidth}:MMM}} {{0:yyyy {timeComponent}}}";
var lastTimeString = new string('?', string.Format(timeFormat, DateTime.MinValue).Length);
foreach (var occurrence in _crontab.GetNextOccurrences(_startTime, endTime))
{
if (count + 1 > maxCount)
{
break;
}
_startTime = occurrence;
_totalOccurrenceCount++;
count++;
var timeString = string.Format(timeFormat, occurrence);
sb.Append(timeString);
sb.Append(" | ");
var index = Diff(lastTimeString, timeString, 0, dayWidth, sb);
sb.Append(' ');
index = Diff(lastTimeString, timeString, index + 1, 2, sb);
sb.Append(", ");
index = Diff(lastTimeString, timeString, index + 2, monthWidth, sb);
sb.Append(' ');
index = Diff(lastTimeString, timeString, index + 1, 4, sb);
sb.Append(' ');
index = Diff(lastTimeString, timeString, index + 1, 2, sb);
sb.Append(':');
index = Diff(lastTimeString, timeString, index + 1, 2, sb);
if (_isSixPart)
{
sb.Append(':');
Diff(lastTimeString, timeString, index + 1, 2, sb);
}
lastTimeString = timeString;
sb.Append("\r\n");
}
_moreButton.Enabled = count == maxCount;
_statusBarPanel.Text = $"Last count = {count:N0}, Total = {_totalOccurrenceCount:N0}";
_resultBox.Text = sb.ToString();
_resultBox.Select(0, 0);
_resultBox.ScrollToCaret();
}
private void SetUpTimer(ModuleConfiguration moduleConfiguration)
{
if (string.IsNullOrEmpty(moduleConfiguration.CronTime))
{
return;
}
CrontabSchedule s = CrontabSchedule.Parse(moduleConfiguration.CronTime);
DateTime start = DateTime.Now;
DateTime end = start.AddDays(1);
IEnumerable <DateTime> occurrences = s.GetNextOccurrences(start, end);
if (cron2Timers.ContainsKey(moduleConfiguration.CronTime))
{
cron2Timers.Remove(moduleConfiguration.CronTime);
}
List <Timer> timers = new List <Timer>();
cron2Timers.Add(moduleConfiguration.CronTime, timers);
foreach (DateTime startTime in occurrences)
{
DateTime current = DateTime.Now;
TimeSpan alertTime = new TimeSpan(startTime.Hour, startTime.Minute, startTime.Second);
TimeSpan timeToGo = alertTime - current.TimeOfDay;
if (timeToGo < TimeSpan.Zero)
{
timeToGo = timeToGo.Add(new TimeSpan(1, 0, 0, 0));
}
Timer moduleTimer = new Timer(x =>
{
try
{
lastModule.Pausing = true;
ModuleBase module = GetModuleBase(moduleConfiguration);
while (module.IsRunning)
{
Thread.Sleep(_frameRate);
module.Start(processor);
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Console.WriteLine(e.StackTrace);
}
finally
{
timers.Remove(timers.First());
if (!timers.Any())
{
SetUpTimer(moduleConfiguration);
}
lastModule.Pausing = false;
}
}, null, timeToGo, Timeout.InfiniteTimeSpan);
timers.Add(moduleTimer);
}
}
