public void StartTask()
{
if (this.taskGuid == Guid.Empty)
{
return;
}
TaskQueue task = new TaskQueue(this.taskGuid);
if (task.Guid == Guid.Empty)
{
return; // task not found
}
if (!ThreadPool.QueueUserWorkItem(new WaitCallback(RunTaskOnNewThread), this))
{
throw new Exception("Couldn't queue the task on a new thread.");
}
task.Status = "Started";
task.StartUTC = DateTime.UtcNow;
task.LastStatusUpdateUTC = DateTime.UtcNow;
task.Save();
log.Info("Queued ThreadSleepTask on a new thread");
}
public void QueueTask()
{
if (this.siteGuid == Guid.Empty)
{
return;
}
if (this.taskGuid != Guid.Empty)
{
return;
}
TaskQueue task = new TaskQueue();
task.SiteGuid = this.siteGuid;
task.QueuedBy = this.queuedBy;
task.TaskName = this.taskName;
task.NotifyOnCompletion = this.notifyOnCompletion;
task.NotificationToEmail = this.notificationToEmail;
task.NotificationFromEmail = this.notificationFromEmail;
task.NotificationSubject = this.notificationSubject;
task.TaskCompleteMessage = this.taskCompleteMessage;
task.CanResume = this.canResume;
task.CanStop = this.canStop;
task.UpdateFrequency = this.updateFrequency;
task.Status = "Queued";
task.LastStatusUpdateUTC = DateTime.UtcNow;
this.taskGuid = task.NewGuid;
task.SerializedTaskObject = SerializationHelper.SerializeToString(this);
task.SerializedTaskType = this.GetType().AssemblyQualifiedName;
task.Save();
}
private void ReportStatus()
{
TaskQueue task = new TaskQueue(this.taskGuid);
if (totalSubscribersToSend > 0)
{
task.CompleteRatio = (subscribersSentSoFar / totalSubscribersToSend);
}
else
{
task.CompleteRatio = 1; //nothing to send so mark as complete
}
if (task.CompleteRatio >= 1)
{
task.Status = statusCompleteMessage;
if (task.CompleteUTC == DateTime.MinValue)
{
task.CompleteUTC = DateTime.UtcNow;
}
Letter letter = new Letter(this.letterGuid);
letter.TrackSendComplete(LetterSendLog.GetCount(letter.LetterGuid));
}
else
{
task.Status = string.Format(
CultureInfo.InvariantCulture,
statusRunningMessage,
subscribersSentSoFar,
totalSubscribersToSend);
}
task.LastStatusUpdateUTC = DateTime.UtcNow;
task.Save();
nextStatusUpdateTime = DateTime.UtcNow.AddSeconds(updateFrequency);
}
private void RunTask()
{
startTime = DateTime.UtcNow;
endTime = startTime.AddMinutes(maxRunTimeMinutes);
timeToRun = endTime.Subtract(startTime);
while (DateTime.UtcNow < endTime)
{
countOfIterations += 1;
DoReporting();
DoSleeping();
}
TaskQueue task = new TaskQueue(this.taskGuid);
task.Status = "Finished";
task.CompleteRatio = 1;
task.LastStatusUpdateUTC = DateTime.UtcNow;
task.CompleteUTC = DateTime.UtcNow;
task.Save();
}
private void DoReporting()
{
if (this.taskGuid == Guid.Empty)
{
return;
}
TaskQueue task = new TaskQueue(this.taskGuid);
task.Status = "Running " + countOfIterations.ToString(CultureInfo.InvariantCulture);
if ((timeToRun != null) && (timeToRun.TotalSeconds > 0))
{
TimeSpan timeLeft = endTime.Subtract(DateTime.UtcNow);
task.CompleteRatio = ((timeToRun.TotalSeconds - timeLeft.TotalSeconds) / timeToRun.TotalSeconds);
}
task.LastStatusUpdateUTC = DateTime.UtcNow;
task.Save();
log.Info("Task " + task.TaskName
+ " completed iteration "
+ countOfIterations.ToString(CultureInfo.InvariantCulture));
}
public void QueueTask()
{
//if (this.siteGuid == Guid.Empty) return;
if (this.taskGuid != Guid.Empty) return;
if (this.urlToRequest.Length == 0) return;
TaskQueue task = new TaskQueue();
task.SiteGuid = this.siteGuid;
task.TaskName = this.taskName;
task.Status = "Queued";
task.LastStatusUpdateUTC = DateTime.UtcNow;
this.taskGuid = task.NewGuid;
task.SerializedTaskObject = SerializationHelper.SerializeToString(this);
task.SerializedTaskType = this.GetType().AssemblyQualifiedName;
task.Save();
}
private void ReportStatus()
{
TaskQueue task = new TaskQueue(this.taskGuid);
task.CompleteRatio = 1; //nothing to do so mark as complete
task.Status = statusCompleteMessage;
if (task.CompleteUTC == DateTime.MinValue)
task.CompleteUTC = DateTime.UtcNow;
task.LastStatusUpdateUTC = DateTime.UtcNow;
task.Save();
}
public void QueueTask()
{
if (this.siteGuid == Guid.Empty) return;
// don't queue a task that has already been created
if (this.taskGuid != Guid.Empty) return;
TaskQueue task = new TaskQueue();
task.SiteGuid = this.siteGuid;
task.QueuedBy = this.queuedBy;
task.TaskName = this.taskName;
task.NotifyOnCompletion = this.notifyOnCompletion;
task.NotificationToEmail = this.notificationToEmail;
task.NotificationFromEmail = this.notificationFromEmail;
task.NotificationSubject = this.notificationSubject;
task.TaskCompleteMessage = this.taskCompleteMessage;
task.CanResume = this.canResume;
task.CanStop = this.canStop;
task.UpdateFrequency = this.updateFrequency;
task.Status = statusQueuedMessage;
task.LastStatusUpdateUTC = DateTime.UtcNow;
this.taskGuid = task.NewGuid;
task.SerializedTaskObject = SerializationHelper.SerializeToString(this);
task.SerializedTaskType = this.GetType().AssemblyQualifiedName;
task.Save();
}
private void RunTask()
{
unfinshedTasks = TaskQueue.GetUnfinished();
tasksNotStarted = TaskQueue.GetTasksNotStarted();
while ((unfinshedTasks.Count > 0) || (tasksNotStarted.Count > 0))
{
ResumeOrKillStalledTasks();
StartNewTasks();
DoReporting();
DoSleeping();
unfinshedTasks = TaskQueue.GetUnfinished();
tasksNotStarted = TaskQueue.GetTasksNotStarted();
if ((tasksNotStarted.Count == 0) && (unfinshedTasks.Count == 1))
{
if(unfinshedTasks[0].SerializedTaskType == this.GetType().AssemblyQualifiedName)
break;
}
}
TaskQueue task = new TaskQueue(this.taskGuid);
task.Status = statusCompleteMessage;
task.CompleteRatio = 1;
task.LastStatusUpdateUTC = DateTime.UtcNow;
task.CompleteUTC = DateTime.UtcNow;
task.Save();
}
private void DoReporting()
{
if (this.taskGuid == Guid.Empty) return;
TaskQueue task = new TaskQueue(this.taskGuid);
task.Status = statusRunningMessage;
task.CompleteRatio = 0.5;
task.LastStatusUpdateUTC = DateTime.UtcNow;
task.Save();
}
private void DoReporting()
{
if (this.taskGuid == Guid.Empty) return;
TaskQueue task = new TaskQueue(this.taskGuid);
task.Status = "Running " + countOfIterations.ToString(CultureInfo.InvariantCulture);
if ((timeToRun != null)&&(timeToRun.TotalSeconds > 0))
{
TimeSpan timeLeft = endTime.Subtract(DateTime.UtcNow);
task.CompleteRatio = ((timeToRun.TotalSeconds - timeLeft.TotalSeconds)/timeToRun.TotalSeconds);
}
task.LastStatusUpdateUTC = DateTime.UtcNow;
task.Save();
log.Info("Task " + task.TaskName
+ " completed iteration "
+ countOfIterations.ToString(CultureInfo.InvariantCulture));
}
private void MarkAsComplete()
{
TaskQueue task = new TaskQueue(this.taskGuid);
task.Status = statusCompleteMessage;
task.CompleteRatio = 1;
task.LastStatusUpdateUTC = DateTime.UtcNow;
task.CompleteUTC = DateTime.UtcNow;
task.Save();
}
private void ReportStatus()
{
TaskQueue task = new TaskQueue(this.taskGuid);
if (totalSubscribersToSend > 0)
{
task.CompleteRatio = (subscribersSentSoFar / totalSubscribersToSend);
}
else
{
task.CompleteRatio = 1; //nothing to send so mark as complete
}
if (task.CompleteRatio >= 1)
{
task.Status = statusCompleteMessage;
if(task.CompleteUTC == DateTime.MinValue)
task.CompleteUTC = DateTime.UtcNow;
Letter letter = new Letter(this.letterGuid);
letter.TrackSendComplete(LetterSendLog.GetCount(letter.LetterGuid));
}
else
{
task.Status = string.Format(
CultureInfo.InvariantCulture,
statusRunningMessage,
subscribersSentSoFar,
totalSubscribersToSend);
}
task.LastStatusUpdateUTC = DateTime.UtcNow;
task.Save();
nextStatusUpdateTime = DateTime.UtcNow.AddSeconds(updateFrequency);
}
private void ReportSleeping()
{
TaskQueue task = new TaskQueue(this.taskGuid);
try
{
task.Status = string.Format(
CultureInfo.InvariantCulture,
Resource.NewsletterSleepingFormat,
subscribersSentSoFar,
totalSubscribersToSend);
}
catch (FormatException)
{
task.Status = "sleeping to throttle send rate";
}
task.LastStatusUpdateUTC = DateTime.UtcNow;
task.Save();
}
private void RunTask()
{
startTime = DateTime.UtcNow;
endTime = startTime.AddMinutes(maxRunTimeMinutes);
timeToRun = endTime.Subtract(startTime);
while (DateTime.UtcNow < endTime)
{
countOfIterations += 1;
DoReporting();
DoSleeping();
}
TaskQueue task = new TaskQueue(this.taskGuid);
task.Status = "Finished";
task.CompleteRatio = 1;
task.LastStatusUpdateUTC = DateTime.UtcNow;
task.CompleteUTC = DateTime.UtcNow;
task.Save();
}
public void StartTask()
{
if (this.taskGuid == Guid.Empty) return;
TaskQueue task = new TaskQueue(this.taskGuid);
if (task.Guid == Guid.Empty) return; // task not found
if (!ThreadPool.QueueUserWorkItem(new WaitCallback(RunTaskOnNewThread), this))
{
throw new Exception("Couldn't queue the AppKeepAliveTask task on a new thread.");
}
task.Status = "Started";
task.StartUTC = DateTime.UtcNow;
task.LastStatusUpdateUTC = DateTime.UtcNow;
task.Save();
log.Info("Queued AppKeepAliveTask on a new thread");
}
private void DoKeepAlive()
{
if (this.taskGuid == Guid.Empty) return;
TaskQueue task = new TaskQueue(this.taskGuid);
task.Status = "Running";
task.LastStatusUpdateUTC = DateTime.UtcNow;
task.Save();
if (urlToRequest.Length == 0)
{
log.Info("No url provided for app keep alive task so task is quiting");
//make the task end
endTime = DateTime.UtcNow;
return;
}
//make web request to keep the app alive
try
{
HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(urlToRequest);
webRequest.Method = "GET";
HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse();
}
catch (UriFormatException ex)
{
webErrorCount = maxAllowedWebErrors; // this particular error means the ulr is bad so no need to try again
log.Error(ex);
}
catch (NotSupportedException ex)
{
webErrorCount = maxAllowedWebErrors; // no need to try again
log.Error(ex);
}
catch (System.Security.SecurityException ex)
{
webErrorCount = maxAllowedWebErrors; // no need to try again
log.Error(ex);
}
catch (WebException ex)
{
webErrorCount += 1;
log.Error(ex);
}
catch (InvalidOperationException ex)
{
webErrorCount = maxAllowedWebErrors; // no need to try again
log.Error(ex);
}
}
private void ReportStatus(double completeRatio)
{
TaskQueue task = new TaskQueue(this.taskGuid);
task.CompleteRatio = completeRatio;
if (task.CompleteRatio >= 1)
{
task.Status = statusCompleteMessage;
if (task.CompleteUTC == DateTime.MinValue)
{
task.CompleteUTC = DateTime.UtcNow;
}
}
else
{
task.Status = this.statusRunningMessage;
}
task.LastStatusUpdateUTC = DateTime.UtcNow;
task.Save();
//nextStatusUpdateTime = DateTime.UtcNow.AddSeconds(updateFrequency);
}
private void RunTask()
{
if (IsAlreadyRunning())
{
MarkAsComplete();
return;
}
startTime = DateTime.UtcNow;
endTime = startTime.AddMinutes(maxRunTimeMinutes);
timeToRun = endTime.Subtract(startTime);
while ((DateTime.UtcNow < endTime)&&(webErrorCount < maxAllowedWebErrors))
{
countOfIterations += 1;
DoKeepAlive();
DoSleeping();
}
TaskQueue task = new TaskQueue(this.taskGuid);
task.Status = "Finished";
task.CompleteRatio = 1;
task.LastStatusUpdateUTC = DateTime.UtcNow;
task.CompleteUTC = DateTime.UtcNow;
task.Save();
}
private void ReportStatus(bool markAsComplete)
{
TaskQueue task = new TaskQueue(this.taskGuid);
if (markAsComplete)
{
if (rowsToProcess > 0)
{
task.CompleteRatio = (rowsProcessed / rowsToProcess);
}
else
{
task.CompleteRatio = 1; //nothing to do so mark as complete
}
}
if (task.CompleteRatio >= 1)
{
task.Status = statusCompleteMessage;
if (task.CompleteUTC == DateTime.MinValue)
task.CompleteUTC = DateTime.UtcNow;
}
else
{
task.Status = string.Format(
CultureInfo.InvariantCulture,
statusRunningMessage,
rowsProcessed,
rowsToProcess);
}
task.LastStatusUpdateUTC = DateTime.UtcNow;
task.Save();
nextStatusUpdateTime = DateTime.UtcNow.AddSeconds(actualUpdateFrequency);
}