public async Task ClockSkew_IsNotCalculatedPastDue()
{
// First, invoke a function with clock skew. This will store the next status back in the
// 'updatedStatus' variable.
CreateTestListener("0 0 0 * * *");
var status = new ScheduleStatus
{
Last = new DateTime(2016, 3, 4),
Next = new DateTime(2016, 3, 5),
LastUpdated = new DateTime(2016, 3, 4)
};
DateTime invocationTime = status.Next.AddMilliseconds(-1);
ScheduleStatus updatedStatus = null;
_mockScheduleMonitor.Setup(p => p.UpdateStatusAsync(_testTimerName, It.IsAny <ScheduleStatus>()))
.Callback <string, ScheduleStatus>((n, s) => updatedStatus = s)
.Returns(Task.FromResult(true));
_listener.ScheduleStatus = status;
await _listener.InvokeJobFunction(invocationTime, isPastDue : false, runOnStartup : false);
_listener.Dispose();
// Now, use that status variable to calculate past due (this ultimately calls the base class implementation).
// This ensures we do not consider clock skewed functions as past due -- this was previously a bug.
// Use a new mock monitor so we can CallBase on it without affecting the class-level one.
var mockMonitor = new Mock <ScheduleMonitor>();
mockMonitor.CallBase = true;
DateTime hostStartTime = new DateTime(2016, 3, 5, 1, 0, 0);
TimeSpan pastDue = await mockMonitor.Object.CheckPastDueAsync(_testTimerName, hostStartTime, _schedule, updatedStatus);
Assert.Equal(TimeSpan.Zero, pastDue);
_mockScheduleMonitor.VerifyAll();
}
private async Task CheckPastDue_ScheduleChange_Longer(bool lastSet, bool lastUpdatedSet)
{
DateTime now = DateTime.Parse("1/1/2017 9:35");
ScheduleStatus status = new ScheduleStatus
{
Last = lastSet ? DateTime.Parse("1/1/2017 9:00") : default(DateTime),
Next = DateTime.Parse("1/1/2017 10:00"),
LastUpdated = lastUpdatedSet ? DateTime.Parse("1/1/2017 9:00") : default(DateTime)
};
MockScheduleMonitor monitor = new MockScheduleMonitor();
// change to daily schedule (status is hourly)
TimeSpan pastDueAmount = await monitor.CheckPastDueAsync(_timerName, now, _dailySchedule, status);
Assert.Equal(TimeSpan.Zero, pastDueAmount);
DateTime expectedNext = DateTime.Parse("1/2/2017 0:00");
Assert.Equal(default(DateTime), monitor.CurrentStatus.Last);
Assert.Equal(expectedNext, monitor.CurrentStatus.Next);
if (lastUpdatedSet || lastSet)
{
Assert.Equal(DateTime.Parse("1/1/2017 9:00"), monitor.CurrentStatus.LastUpdated);
}
else
{
// Legacy behavior -- before 'LastUpdated' was added.
Assert.Equal(now, monitor.CurrentStatus.LastUpdated);
}
}
public async Task CheckPastDue_NowPastNext(bool lastSet, bool lastUpdatedSet)
{
// Move the time 1 second ahead of 'Next'. We should catch this as past due.
DateTime now = DateTime.Parse("1/1/2017 10:00:01");
ScheduleStatus status = new ScheduleStatus
{
Last = lastSet ? DateTime.Parse("1/1/2017 9:00") : default(DateTime),
Next = DateTime.Parse("1/1/2017 10:00"),
LastUpdated = lastUpdatedSet ? DateTime.Parse("1/1/2017 9:00") : default(DateTime)
};
MockScheduleMonitor monitor = new MockScheduleMonitor();
TimeSpan pastDueAmount = await monitor.CheckPastDueAsync(_timerName, now, _hourlySchedule, status);
if (lastUpdatedSet || lastSet)
{
Assert.Equal(TimeSpan.FromSeconds(1), pastDueAmount);
Assert.Null(monitor.CurrentStatus);
}
else
{
// Legacy behavior -- 'LastUpdated' fixed this. The schedule didn't change and we're past due,
// but we miss it because there is no 'Last' value, which we require to calculate the 'Next'
// value. It also shouldn't register as a schedule change.
Assert.Equal(TimeSpan.Zero, pastDueAmount);
Assert.Equal(default(DateTime), monitor.CurrentStatus.Last);
Assert.Equal(DateTime.Parse("1/1/2017 11:00"), monitor.CurrentStatus.Next);
Assert.Equal(now, monitor.CurrentStatus.LastUpdated);
}
}
public async Task CheckPastDueAsync_ReturnsExpectedResult()
{
Mock <TimerSchedule> mockSchedule = new Mock <TimerSchedule>(MockBehavior.Strict);
DateTime now = DateTime.Now;
DateTime next = now + TimeSpan.FromDays(1);
ScheduleStatus status = new ScheduleStatus
{
Last = now,
Next = next
};
mockSchedule.Setup(p => p.GetNextOccurrence(It.IsAny <DateTime>())).Returns(next);
TimeSpan pastDueAmount = await _monitor.CheckPastDueAsync(_testTimerName, now, mockSchedule.Object, status);
Assert.Equal(TimeSpan.Zero, pastDueAmount);
now = now + TimeSpan.FromHours(23);
pastDueAmount = await _monitor.CheckPastDueAsync(_testTimerName, now, mockSchedule.Object, status);
Assert.Equal(TimeSpan.Zero, pastDueAmount);
now = now + TimeSpan.FromHours(1);
pastDueAmount = await _monitor.CheckPastDueAsync(_testTimerName, now, mockSchedule.Object, status);
Assert.Equal(TimeSpan.Zero, pastDueAmount);
now = now + TimeSpan.FromHours(1);
pastDueAmount = await _monitor.CheckPastDueAsync(_testTimerName, now, mockSchedule.Object, status);
Assert.Equal(TimeSpan.FromHours(1), pastDueAmount);
}
public async Task UpdateAsync_WritesStatusToFile()
{
DateTime now = DateTime.Now;
DateTime expectedNext = DateTime.Now + TimeSpan.FromMinutes(1);
File.Delete(_statusFile);
Assert.False(File.Exists(_statusFile));
ScheduleStatus status = new ScheduleStatus
{
Last = now,
Next = expectedNext
};
await _monitor.UpdateStatusAsync(_testTimerName, status);
Assert.True(File.Exists(_statusFile));
VerifyScheduleStatus(now, expectedNext);
now = expectedNext;
expectedNext = now + TimeSpan.FromMinutes(1);
status = new ScheduleStatus
{
Last = now,
Next = expectedNext
};
await _monitor.UpdateStatusAsync(_testTimerName, status);
VerifyScheduleStatus(now, expectedNext);
}
public async Task StartAsync(CancellationToken cancellationToken)
{
ThrowIfDisposed();
if (_timer != null && _timer.Enabled)
{
throw new InvalidOperationException("The listener has already been started.");
}
// if schedule monitoring is enabled, record (or initialize)
// the current schedule status
bool isPastDue = false;
// we use DateTime.Now rather than DateTime.UtcNow to allow the local machine to set the time zone. In Azure this will be
// UTC by default, but can be configured to use any time zone if it makes scheduling easier.
DateTime now = DateTime.Now;
_logger.LogDebug($"The '{_functionShortName}' timer is using the schedule '{_schedule.ToString()}' and the local time zone: '{TimeZoneInfo.Local.DisplayName}'");
if (ScheduleMonitor != null)
{
// check to see if we've missed an occurrence since we last started.
// If we have, invoke it immediately.
ScheduleStatus = await ScheduleMonitor.GetStatusAsync(_timerLookupName);
_logger.LogDebug($"Function '{_functionShortName}' initial status: Last='{ScheduleStatus?.Last.ToString("o")}', Next='{ScheduleStatus?.Next.ToString("o")}', LastUpdated='{ScheduleStatus?.LastUpdated.ToString("o")}'");
TimeSpan pastDueDuration = await ScheduleMonitor.CheckPastDueAsync(_timerLookupName, now, _schedule, ScheduleStatus);
isPastDue = pastDueDuration != TimeSpan.Zero;
}
if (ScheduleStatus == null)
{
// no schedule status has been stored yet, so initialize
ScheduleStatus = new ScheduleStatus
{
Last = default(DateTime),
Next = _schedule.GetNextOccurrence(now)
};
}
if (isPastDue)
{
_logger.LogDebug($"Function '{_functionShortName}' is past due on startup. Executing now.");
await InvokeJobFunction(now, isPastDue : true, originalSchedule : ScheduleStatus.Next);
}
else if (_attribute.RunOnStartup)
{
// The job is configured to run immediately on startup
_logger.LogDebug($"Function '{_functionShortName}' is configured to run on startup. Executing now.");
await InvokeJobFunction(now, runOnStartup : true);
}
// log the next several occurrences to console for visibility
string nextOccurrences = TimerInfo.FormatNextOccurrences(_schedule, 5, functionShortName: _functionShortName);
_logger.LogInformation(nextOccurrences);
StartTimer(DateTime.Now);
}
public ScheduleOverviewResource(
int scheduleId,
string wellName,
string @operator,
DateTime fracStartDate,
DateTime fracEndDate,
int duration,
string api,
double surfaceLat,
double surfaceLong,
double bottomholeLat,
double bottomholeLong,
string tvd,
int?startIn,
ScheduleStatus status)
{
this.ScheduleId = scheduleId;
this.WellName = wellName;
this.Operator = @operator;
this.FracStartDate = fracStartDate;
this.FracEndDate = fracEndDate;
this.Duration = duration;
this.Api = api;
this.SurfaceLat = surfaceLat;
this.SurfaceLong = surfaceLong;
this.BottomholeLat = bottomholeLat;
this.BottomholeLong = bottomholeLong;
this.Tvd = tvd;
this.StartIn = startIn;
this.Status = status;
}
public async Task Timer_CannotHaveNegativeInterval()
{
CreateTestListener("* * * * * *", useMonitor: true);
ScheduleStatus status = new ScheduleStatus();
_mockScheduleMonitor.Setup(p => p.GetStatusAsync(_testTimerName)).ReturnsAsync(status);
// Make sure we invoke b/c we're past due.
_mockScheduleMonitor.Setup(p => p.CheckPastDueAsync(_testTimerName, It.IsAny <DateTime>(), It.IsAny <TimerSchedule>(), status))
.ReturnsAsync(TimeSpan.FromMilliseconds(1));
// Use the monitor to sleep for a second. This ensures that we recalculate the Next value before
// starting the timer. Otherwise, you can end up with a negative interval.
bool updateCalled = false;
_mockScheduleMonitor.Setup(p => p.UpdateStatusAsync(_testTimerName, It.IsAny <ScheduleStatus>()))
.Callback(() =>
{
// only sleep for the first call
if (!updateCalled)
{
Thread.Sleep(1000);
}
updateCalled = true;
})
.Returns(Task.FromResult(true));
await _listener.StartAsync(CancellationToken.None);
Assert.True(updateCalled);
}
internal async Task InvokeJobFunction(DateTime lastOccurrence, bool isPastDue = false)
{
CancellationToken token = _cancellationTokenSource.Token;
TimerInfo timerInfo = new TimerInfo(_schedule, _scheduleStatus, isPastDue);
TriggeredFunctionData input = new TriggeredFunctionData
{
TriggerValue = timerInfo
};
try
{
FunctionResult result = await _executor.TryExecuteAsync(input, token);
if (!result.Succeeded)
{
token.ThrowIfCancellationRequested();
}
}
catch
{
// We don't want any function errors to stop the execution
// schedule. Errors will be logged to Dashboard already.
}
if (ScheduleMonitor != null)
{
_scheduleStatus = new ScheduleStatus
{
Last = lastOccurrence,
Next = _schedule.GetNextOccurrence(lastOccurrence)
};
await ScheduleMonitor.UpdateStatusAsync(_timerName, _scheduleStatus);
}
}
public async Task InvokeJobFunction_UpdatesScheduleMonitor_AccountsForSkew(string schedule, bool useMonitor)
{
CreateTestListener(schedule, useMonitor);
var status = new ScheduleStatus
{
Last = new DateTime(2016, 3, 4),
Next = new DateTime(2016, 3, 5)
};
// Run the function 1 millisecond before it's next scheduled run.
DateTime invocationTime = status.Next.AddMilliseconds(-1);
// It should not use the same 'Next' value twice in a row.
DateTime expectedNextOccurrence = new DateTime(2016, 3, 6);
bool monitorCalled = false;
_mockScheduleMonitor.Setup(p => p.UpdateStatusAsync(_testTimerName,
It.Is <ScheduleStatus>(q => q.Last == status.Next && q.Next == expectedNextOccurrence)))
.Callback(() => monitorCalled = true)
.Returns(Task.FromResult(true));
// Initialize the _scheduleStatus
_listener.ScheduleStatus = status;
await _listener.InvokeJobFunction(invocationTime, isPastDue : false, runOnStartup : false);
_listener.Dispose();
Assert.Equal(status.Next, _listener.ScheduleStatus.Last);
Assert.Equal(expectedNextOccurrence, _listener.ScheduleStatus.Next);
Assert.Equal(monitorCalled, useMonitor);
}
public async Task UpdateStatusAsync_MultipleFunctions()
{
// update status for 3 functions
ScheduleStatus expected = new ScheduleStatus
{
Last = DateTime.Now.Subtract(TimeSpan.FromMinutes(5)),
Next = DateTime.Now.AddMinutes(5)
};
for (int i = 0; i < 3; i++)
{
await _scheduleMonitor.UpdateStatusAsync(TestTimerName + i.ToString(), expected);
}
var segments = await _scheduleMonitor.TimerStatusDirectory.ListBlobsSegmentedAsync(
useFlatBlobListing : true,
blobListingDetails : BlobListingDetails.None,
maxResults : null,
currentToken : null,
options : null,
operationContext : null);
var statuses = segments.Results.Cast <CloudBlockBlob>().ToArray();
Assert.Equal(3, statuses.Length);
Assert.Equal("timers/testhostid/TestProgram.TestTimer0/status", statuses[0].Name);
Assert.Equal("timers/testhostid/TestProgram.TestTimer1/status", statuses[1].Name);
Assert.Equal("timers/testhostid/TestProgram.TestTimer2/status", statuses[2].Name);
}
public async Task RunInitialStatusTestAsync(ScheduleStatus initialStatus, string expected)
{
_mockScheduleMonitor
.Setup(m => m.GetStatusAsync(_testTimerName))
.ReturnsAsync(initialStatus);
_mockScheduleMonitor
.Setup(m => m.CheckPastDueAsync(_testTimerName, It.IsAny <DateTime>(), _schedule, It.IsAny <ScheduleStatus>()))
.ReturnsAsync(TimeSpan.Zero);
await _listener.StartAsync(CancellationToken.None);
await _listener.StopAsync(CancellationToken.None);
_listener.Dispose();
LogMessage[] verboseTraces = _logger.GetLogMessages()
.Where(m => m.Level == LogLevel.Debug)
.OrderBy(t => t.Timestamp)
.ToArray();
Assert.Equal(3, verboseTraces.Length);
Assert.Contains("timer is using the schedule 'Cron: '0 * * * * *'' and the local time zone:", verboseTraces[0].FormattedMessage);
Assert.Equal(expected, verboseTraces[1].FormattedMessage);
Assert.Contains($"Timer for '{_functionShortName}' started with interval", verboseTraces[2].FormattedMessage);
}
public async Task StartAsync(CancellationToken cancellationToken)
{
ThrowIfDisposed();
if (_timer != null && _timer.Enabled)
{
throw new InvalidOperationException("The listener has already been started.");
}
// if schedule monitoring is enabled, record (or initialize)
// the current schedule status
bool isPastDue = false;
DateTime now = DateTime.Now;
if (ScheduleMonitor != null)
{
// check to see if we've missed an occurrence since we last started.
// If we have, invoke it immediately.
_scheduleStatus = await ScheduleMonitor.GetStatusAsync(_timerName);
TimeSpan pastDueDuration = await ScheduleMonitor.CheckPastDueAsync(_timerName, now, _schedule, _scheduleStatus);
isPastDue = pastDueDuration != TimeSpan.Zero;
if (_scheduleStatus == null)
{
// no schedule status has been stored yet, so initialize
_scheduleStatus = new ScheduleStatus
{
Last = default(DateTime),
Next = _schedule.GetNextOccurrence(now)
};
}
}
if (isPastDue)
{
_trace.Verbose(string.Format("Function '{0}' is past due on startup. Executing now.", _timerName));
await InvokeJobFunction(now, true);
}
else if (_attribute.RunOnStartup)
{
// The job is configured to run immediately on startup
_trace.Verbose(string.Format("Function '{0}' is configured to run on startup. Executing now.", _timerName));
await InvokeJobFunction(now);
}
// log the next several occurrences to console for visibility
string nextOccurrences = TimerInfo.FormatNextOccurrences(_schedule, 5);
_trace.Verbose(nextOccurrences);
// start the timer
now = DateTime.Now;
DateTime nextOccurrence = _schedule.GetNextOccurrence(now);
TimeSpan nextInterval = nextOccurrence - now;
StartTimer(nextInterval);
}
public void Resume()
{
if (this.Scheduler.IsStarted)
{
this.Scheduler.PauseAll();
this.GetScheduleStatus = ScheduleStatus.Starting;
}
}
public void Pause()
{
if (this.Scheduler.IsStarted)
{
this.Scheduler.PauseAll();
this.GetScheduleStatus = ScheduleStatus.Pause;
}
}
private static string Linethrough(ScheduleStatus status)
{
if (status == ScheduleStatus.Removed)
{
return("text-decoration: line-through;");
}
return(String.Empty);
}
public async Task StartAsync(CancellationToken cancellationToken)
{
ThrowIfDisposed();
if (_timer != null && _timer.Enabled)
{
throw new InvalidOperationException("The listener has already been started.");
}
// if schedule monitoring is enabled, record (or initialize)
// the current schedule status
bool isPastDue = false;
// we use DateTime.Now rather than DateTime.UtcNow to allow the local machine to set the time zone. In Azure this will be
// UTC by default, but can be configured to use any time zone if it makes scheduling easier.
DateTime now = DateTime.Now;
if (ScheduleMonitor != null)
{
// check to see if we've missed an occurrence since we last started.
// If we have, invoke it immediately.
ScheduleStatus = await ScheduleMonitor.GetStatusAsync(_timerName);
TimeSpan pastDueDuration = await ScheduleMonitor.CheckPastDueAsync(_timerName, now, _schedule, ScheduleStatus);
isPastDue = pastDueDuration != TimeSpan.Zero;
}
if (ScheduleStatus == null)
{
// no schedule status has been stored yet, so initialize
ScheduleStatus = new ScheduleStatus
{
Last = default(DateTime),
Next = _schedule.GetNextOccurrence(now)
};
}
if (isPastDue)
{
_trace.Verbose(string.Format("Function '{0}' is past due on startup. Executing now.", _timerName));
await InvokeJobFunction(now, isPastDue : true);
}
else if (_attribute.RunOnStartup)
{
// The job is configured to run immediately on startup
_trace.Verbose(string.Format("Function '{0}' is configured to run on startup. Executing now.", _timerName));
await InvokeJobFunction(now, runOnStartup : true);
}
// log the next several occurrences to console for visibility
string nextOccurrences = TimerInfo.FormatNextOccurrences(_schedule, 5);
_trace.Info(nextOccurrences);
StartTimer(DateTime.Now);
}
/// <summary>
/// Invokes the job function.
/// </summary>
/// <param name="invocationTime">The time of the invocation, likely DateTime.Now.</param>
/// <param name="isPastDue">True if the invocation is because the invocation is due to a past due timer.</param>
/// <param name="runOnStartup">True if the invocation is because the timer is configured to run on startup.</param>
internal async Task InvokeJobFunction(DateTime invocationTime, bool isPastDue = false, bool runOnStartup = false)
{
CancellationToken token = _cancellationTokenSource.Token;
ScheduleStatus timerInfoStatus = null;
if (ScheduleMonitor != null)
{
timerInfoStatus = ScheduleStatus;
}
TimerInfo timerInfo = new TimerInfo(_schedule, timerInfoStatus, isPastDue);
TriggeredFunctionData input = new TriggeredFunctionData
{
TriggerValue = timerInfo
};
try
{
FunctionResult result = await _executor.TryExecuteAsync(input, token);
if (!result.Succeeded)
{
token.ThrowIfCancellationRequested();
}
}
catch
{
// We don't want any function errors to stop the execution
// schedule. Errors will be logged to Dashboard already.
}
// If the trigger fired before it was officially scheduled (likely under 1 second due to clock skew),
// adjust the invocation time forward for the purposes of calculating the next occurrence.
// Without this, it's possible to set the 'Next' value to the same time twice in a row,
// which results in duplicate triggers if the site restarts.
DateTime adjustedInvocationTime = invocationTime;
if (!isPastDue && !runOnStartup && ScheduleStatus?.Next > invocationTime)
{
adjustedInvocationTime = ScheduleStatus.Next;
}
// Create the Last value with the adjustedInvocationTime; otherwise, the listener will
// consider this a schedule change when the host next starts.
ScheduleStatus = new ScheduleStatus
{
Last = adjustedInvocationTime,
Next = _schedule.GetNextOccurrence(adjustedInvocationTime),
LastUpdated = adjustedInvocationTime
};
if (ScheduleMonitor != null)
{
await ScheduleMonitor.UpdateStatusAsync(_timerName, ScheduleStatus);
_logger.LogDebug($"Function '{_timerName}' updated status: Last='{ScheduleStatus.Last.ToString("o")}', Next='{ScheduleStatus.Next.ToString("o")}', LastUpdated='{ScheduleStatus.LastUpdated.ToString("o")}'");
}
}
public void Start()
{
if (this.Scheduler.InStandbyMode || !this.Scheduler.IsStarted)
{
this.Scheduler.Start();
this.Scheduler.Clear();
this.GetScheduleStatus = ScheduleStatus.Starting;
}
}
public void Stop()
{
if (this.Scheduler.IsStarted)
{
this.Scheduler.Standby();
QuartzTaskList.Clear();
//QuartzModelList.Clear();
this.GetScheduleStatus = ScheduleStatus.Stop;
}
}
/// <summary>
/// Initializes a new instance of the BackupSchedule class.
/// </summary>
/// <param name="scheduleRecurrence">The schedule recurrence.</param>
/// <param name="backupType">The type of backup which needs to be
/// taken. Possible values include: 'LocalSnapshot',
/// 'CloudSnapshot'</param>
/// <param name="retentionCount">The number of backups to be
/// retained.</param>
/// <param name="startTime">The start time of the schedule.</param>
/// <param name="scheduleStatus">The schedule status. Possible values
/// include: 'Enabled', 'Disabled'</param>
/// <param name="id">The path ID that uniquely identifies the
/// object.</param>
/// <param name="name">The name of the object.</param>
/// <param name="type">The hierarchical type of the object.</param>
/// <param name="kind">The Kind of the object. Currently only
/// Series8000 is supported. Possible values include:
/// 'Series8000'</param>
/// <param name="lastSuccessfulRun">The last successful backup run
/// which was triggered for the schedule.</param>
public BackupSchedule(ScheduleRecurrence scheduleRecurrence, BackupType backupType, long retentionCount, System.DateTime startTime, ScheduleStatus scheduleStatus, string id = default(string), string name = default(string), string type = default(string), Kind?kind = default(Kind?), System.DateTime?lastSuccessfulRun = default(System.DateTime?))
: base(id, name, type, kind)
{
ScheduleRecurrence = scheduleRecurrence;
BackupType = backupType;
RetentionCount = retentionCount;
StartTime = startTime;
ScheduleStatus = scheduleStatus;
LastSuccessfulRun = lastSuccessfulRun;
}
public List <ScheduleStatus> ListScheduleStatuses()
{
ScheduleStatus emptyScheduleStatus = new ScheduleStatus();
emptyScheduleStatus.ScheduleStatusId = 0;
emptyScheduleStatus.ScheduleStatusName = "Select Schedule Status";
List <ScheduleStatus> listScheduleStatus = repository.ScheduleStatuses.OrderBy(x => x.ScheduleStatusName).ToList();
listScheduleStatus.Insert(0, emptyScheduleStatus);
return(listScheduleStatus);
}
public async Task StartAsync(CancellationToken cancellationToken)
{
ThrowIfDisposed();
if (_timer != null && _timer.Enabled)
{
throw new InvalidOperationException("The listener has already been started.");
}
// if schedule monitoring is enabled, record (or initialize)
// the current schedule status
bool isPastDue = false;
DateTime now = DateTime.Now;
if (ScheduleMonitor != null)
{
// check to see if we've missed an occurrence since we last started.
// If we have, invoke it immediately.
_scheduleStatus = await ScheduleMonitor.GetStatusAsync(_timerName);
TimeSpan pastDueDuration = await ScheduleMonitor.CheckPastDueAsync(_timerName, now, _schedule, _scheduleStatus);
isPastDue = pastDueDuration != TimeSpan.Zero;
if (_scheduleStatus == null)
{
// no schedule status has been stored yet, so initialize
_scheduleStatus = new ScheduleStatus
{
Last = default(DateTime),
Next = _schedule.GetNextOccurrence(now)
};
}
}
if (isPastDue)
{
_trace.Verbose(string.Format("Function '{0}' is past due on startup. Executing now.", _timerName));
await InvokeJobFunction(now, true);
}
else if (_attribute.RunOnStartup)
{
// The job is configured to run immediately on startup
_trace.Verbose(string.Format("Function '{0}' is configured to run on startup. Executing now.", _timerName));
await InvokeJobFunction(now);
}
// log the next several occurrences to console for visibility
string nextOccurrences = TimerInfo.FormatNextOccurrences(_schedule, 5);
_trace.Verbose(nextOccurrences);
// start the timer
now = DateTime.Now;
DateTime nextOccurrence = _schedule.GetNextOccurrence(now);
TimeSpan nextInterval = nextOccurrence - now;
StartTimer(nextInterval);
}
public async Task Listener_LogsInitialStatus_WhenUsingMonitor()
{
var status = new ScheduleStatus
{
Last = new DateTime(2016, 3, 4),
Next = new DateTime(2016, 3, 4, 0, 0, 1)
};
var expected = $"Function 'Program.TestTimerJob' initial status: Last='{status.Last.ToString("o")}', Next='{status.Next.ToString("o")}'";
await RunInitialStatusTestAsync(status, expected);
}
public void ScheduleStatus_ReturnsExpectedValue()
{
TimerSchedule schedule = new ConstantSchedule(TimeSpan.FromDays(1));
TimerInfo timerInfo = new TimerInfo(schedule, null);
Assert.Null(timerInfo.ScheduleStatus);
ScheduleStatus scheduleStatus = new ScheduleStatus();
timerInfo = new TimerInfo(schedule, scheduleStatus);
Assert.Same(scheduleStatus, timerInfo.ScheduleStatus);
}
internal static string ToSerializedValue(this ScheduleStatus value)
{
switch (value)
{
case ScheduleStatus.Enabled:
return("Enabled");
case ScheduleStatus.Disabled:
return("Disabled");
}
return(null);
}
public ActionResult Create()
{
ViewBag.Title = "Создание расписания";
ViewBag.IsNew = true;
var schedule = new Schedule {/*BeginDate = DateTime.Today*/
};
//ViewBag.PatientCode_Data = new SelectList(DataProvider.GetList(new PatientDataFilter()), "Id", "FullName");
ViewBag.TrialCenterID_Data = new SelectList(DataProvider.GetList(new TrialCenterDataFilter()), "Id", "Number");
ViewBag.ScheduleStatuses = ScheduleStatus.GetScheduleStatuses();
return(View(schedule));
}
public async Task Listener_LogsInitialStatus_WhenUsingMonitor()
{
var status = new ScheduleStatus
{
Last = new DateTime(2016, 3, 4),
Next = new DateTime(2016, 3, 4, 0, 0, 1),
LastUpdated = new DateTime(2016, 3, 3, 23, 59, 59)
};
var expected = $"Function '{_functionShortName}' initial status: Last='{status.Last.ToString("o")}', Next='{status.Next.ToString("o")}', LastUpdated='{status.LastUpdated.ToString("o")}'";
await RunInitialStatusTestAsync(status, expected);
}
public async Task CheckPastDueAsync_ScheduleUpdate_UpdatesStatusFile()
{
Mock <TimerSchedule> mockSchedule = new Mock <TimerSchedule>(MockBehavior.Strict);
DateTime now = DateTime.Now;
DateTime next = now + TimeSpan.FromDays(2);
ScheduleStatus status = new ScheduleStatus
{
Last = now,
Next = next,
LastUpdated = now
};
await _monitor.UpdateStatusAsync(_testTimerName, status);
mockSchedule.Setup(p => p.GetNextOccurrence(It.IsAny <DateTime>())).Returns(next);
TimeSpan pastDueAmount = await _monitor.CheckPastDueAsync(_testTimerName, now, mockSchedule.Object, status);
Assert.Equal(TimeSpan.Zero, pastDueAmount);
// now adjust the schedule
DateTime adjustedNext = next - TimeSpan.FromDays(1);
mockSchedule.Setup(p => p.GetNextOccurrence(It.IsAny <DateTime>())).Returns(adjustedNext);
pastDueAmount = await _monitor.CheckPastDueAsync(_testTimerName, now, mockSchedule.Object, status);
Assert.Equal(TimeSpan.Zero, pastDueAmount);
ScheduleStatus updatedStatus = await _monitor.GetStatusAsync(_testTimerName);
Assert.Equal(default(DateTime), updatedStatus.Last);
Assert.Equal(adjustedNext, updatedStatus.Next);
Assert.Equal(now, updatedStatus.LastUpdated);
now = now + TimeSpan.FromHours(23);
pastDueAmount = await _monitor.CheckPastDueAsync(_testTimerName, now, mockSchedule.Object, status);
Assert.Equal(TimeSpan.Zero, pastDueAmount);
now = now + TimeSpan.FromHours(1);
pastDueAmount = await _monitor.CheckPastDueAsync(_testTimerName, now, mockSchedule.Object, status);
Assert.Equal(TimeSpan.Zero, pastDueAmount);
now = now + TimeSpan.FromHours(1);
pastDueAmount = await _monitor.CheckPastDueAsync(_testTimerName, now, mockSchedule.Object, status);
Assert.Equal(TimeSpan.FromHours(1), pastDueAmount);
}
public async Task StartAsync_SchedulePastDue_InvokesJobFunctionImmediately()
{
// Set this to true to ensure that the function is only executed once
// In this case, because it is run on startup due to being behind schedule,
// it shouldn't be run twice.
_attribute.RunOnStartup = true;
ScheduleStatus status = new ScheduleStatus();
_mockScheduleMonitor.Setup(p => p.GetStatusAsync(_testTimerName)).ReturnsAsync(status);
DateTime lastOccurrence = default(DateTime);
TimeSpan pastDueAmount = TimeSpan.FromMinutes(3);
_mockScheduleMonitor.Setup(p => p.CheckPastDueAsync(_testTimerName, It.IsAny <DateTime>(), It.IsAny <TimerSchedule>(), status))
.Callback <string, DateTime, TimerSchedule, ScheduleStatus>((mockTimerName, mockNow, mockNext, mockStatus) =>
{
lastOccurrence = mockNow;
})
.ReturnsAsync(pastDueAmount);
_mockScheduleMonitor.Setup(p => p.UpdateStatusAsync(_testTimerName, It.IsAny <ScheduleStatus>()))
.Callback <string, ScheduleStatus>((mockTimerName, mockStatus) =>
{
Assert.Equal(lastOccurrence, mockStatus.Last);
DateTime expectedNextOccurrence = _schedule.GetNextOccurrence(lastOccurrence);
Assert.Equal(expectedNextOccurrence, mockStatus.Next);
})
.Returns(Task.FromResult(true));
CancellationToken cancellationToken = CancellationToken.None;
await _listener.StartAsync(cancellationToken);
TimerInfo timerInfo = (TimerInfo)_triggeredFunctionData.TriggerValue;
Assert.Same(status, timerInfo.ScheduleStatus);
Assert.True(timerInfo.IsPastDue);
_mockTriggerExecutor.Verify(p => p.TryExecuteAsync(It.IsAny <TriggeredFunctionData>(), It.IsAny <CancellationToken>()), Times.Once());
// Make sure we've added the reason for the invocation into the Details
Assert.Equal(default(DateTime).ToString("o"), _triggeredFunctionData.TriggerDetails[TimerListener.OriginalScheduleKey]);
Assert.Equal("IsPastDue", _triggeredFunctionData.TriggerDetails[TimerListener.UnscheduledInvocationReasonKey]);
_listener.Dispose();
}
public async Task RunInitialStatusTestAsync(ScheduleStatus initialStatus, string expected)
{
_mockScheduleMonitor
.Setup(m => m.GetStatusAsync(_testTimerName))
.ReturnsAsync(initialStatus);
_mockScheduleMonitor
.Setup(m => m.CheckPastDueAsync(_testTimerName, It.IsAny <DateTime>(), _schedule, It.IsAny <ScheduleStatus>()))
.ReturnsAsync(TimeSpan.Zero);
await _listener.StartAsync(CancellationToken.None);
await _listener.StopAsync(CancellationToken.None);
_listener.Dispose();
Assert.Equal(expected, _logger.LogMessages.Single(m => m.Level == LogLevel.Debug).FormattedMessage);
}
public static void SetScheduleStatus(ScheduleStatus newStatus)
{
try
{
//note:locking inside this method is highly misleading
//as there is no lock in place between when the caller
//decides to call this method and when the lock is acquired
//the value could easily change in that time
StatusLock.AcquireWriterLock(LockTimeout);
try
{
// It is safe for this thread to read or write
// from the shared resource.
_status = newStatus;
}
finally
{
// Ensure that the lock is released.
StatusLock.ReleaseWriterLock();
}
}
catch (ApplicationException ex)
{
// The writer lock request timed out.
Interlocked.Increment(ref _writerTimeouts);
Exceptions.Exceptions.LogException(ex);
}
}
private void BindStatus()
{
Status = SchedulingProvider.Instance().GetScheduleStatus();
lblStatus.Text = Status.ToString();
placeCommands.Visible = SchedulingProvider.SchedulerMode == SchedulerMode.TIMER_METHOD;
if (Status == ScheduleStatus.STOPPED && SchedulingProvider.SchedulerMode != SchedulerMode.DISABLED)
{
cmdStart.Enabled = true;
cmdStop.Enabled = false;
}
else if (Status == ScheduleStatus.WAITING_FOR_REQUEST || SchedulingProvider.SchedulerMode == SchedulerMode.DISABLED)
{
cmdStart.Enabled = false;
cmdStop.Enabled = false;
}
else
{
cmdStart.Enabled = false;
cmdStop.Enabled = true;
}
}
public static void SetScheduleStatus(ScheduleStatus newStatus)
{
try
{
StatusLock.AcquireWriterLock(LockTimeout);
try
{
_status = newStatus;
}
finally
{
StatusLock.ReleaseWriterLock();
}
}
catch (ApplicationException ex)
{
Interlocked.Increment(ref _writerTimeouts);
ErrorLogger.SchedulerProcessException(ex);
}
}
public CoreScheduler( bool boolDebug, int MaxThreads )
{
Status = ScheduleStatus.STOPPED;
Debug = boolDebug;
if( ! ThreadPoolInitialized )
{
InitializeThreadPool( MaxThreads );
}
}
internal async Task InvokeJobFunction(DateTime lastOccurrence, bool isPastDue = false)
{
CancellationToken token = _cancellationTokenSource.Token;
TimerInfo timerInfo = new TimerInfo(_attribute.Schedule, _scheduleStatus, isPastDue);
TriggeredFunctionData input = new TriggeredFunctionData
{
TriggerValue = timerInfo
};
try
{
FunctionResult result = await _executor.TryExecuteAsync(input, token);
if (!result.Succeeded)
{
token.ThrowIfCancellationRequested();
}
}
catch
{
// We don't want any function errors to stop the execution
// schedule. Errors will be logged to Dashboard already.
}
if (ScheduleMonitor != null)
{
_scheduleStatus = new ScheduleStatus
{
Last = lastOccurrence,
Next = _schedule.GetNextOccurrence(lastOccurrence)
};
await ScheduleMonitor.UpdateStatusAsync(_timerName, _scheduleStatus);
}
}
public static void SetScheduleStatus( ScheduleStatus objScheduleStatus )
{
try
{
objStatusReadWriteLock.AcquireWriterLock( WriteTimeout );
try
{
// It is safe for this thread to read or write
// from the shared resource.
Status = objScheduleStatus;
Interlocked.Increment( ref Writes );
}
finally
{
// Ensure that the lock is released.
objStatusReadWriteLock.ReleaseWriterLock();
}
}
catch( ApplicationException ex )
{
// The writer lock request timed out.
Interlocked.Increment( ref WriterTimeouts );
Exceptions.Exceptions.LogException( ex );
}
}
public CoreScheduler( int MaxThreads )
{
Status = ScheduleStatus.STOPPED;
if( ! ThreadPoolInitialized )
{
InitializeThreadPool( MaxThreads );
}
}
/// <summary>
/// This must run under the lock!
/// </summary>
private bool? TryGetTaskToRun(ref AbstractTask task)
{
//this approach gives us an O(1) _removal_ cost from the list
LinkedListNode<SchedulePair> node = CurrentThreadQueuedTasks.First;
while (node != null)
{
SchedulePair pair = node.Value;
if (pair.Condition())
{
task = pair.Task;
CurrentThreadQueuedTasks.Remove(node);
break;
}
pair.CannotRunCount += 1;
//this is probably a process that is waiting for other processes
//move it to the end of the list so we don't have to iterate over it all
//the time
LinkedListNode<SchedulePair> prev = node;
node = node.Next;
if (pair.CannotRunCount == 3 && Status != ScheduleStatus.Idle)
{
pair.CannotRunCount = -1; //give it a bit of a boost for the next time
CurrentThreadQueuedTasks.Remove(prev);
CurrentThreadQueuedTasks.AddLast(prev);
}
}
if (task == null) // no tasks to run in the curren threa, time to steal some work...
{
StealWorkFromAnotherThread();
//nothing runs, and there are no tasks that we _can_ run
// we are either deadlocked or waiting for an external resource
// we will let the idle task decide what to do.
if (currentRunningProcessCount == 0)
{
Status = ScheduleStatus.Idle;
task = idleTask;
return true;
}
}
return null;
}
