private static void RunTaskOnNewThread(object oTask)
{
if (oTask == null)
{
return;
}
WebTaskManager task = (WebTaskManager)oTask;
log.Info("deserialized WebTaskManager task");
// give a little time to make sure the taskqueue was updated after spawning the thread
Thread.Sleep(100); // 0.10 seconds
task.RunTask();
log.Info("started WebTaskManager task");
}
//public static void RegisterRoutes(RouteCollection routes)
//{
// routes.Clear();
// RoutingHandler.Configure(routes);
//}
//#if!NET35
// private void SetupMonitoring()
// {
// if (appDomainMonitoringEnabled)
// {
// AppDomain.MonitoringIsEnabled = true;
// }
// if (firstChanceExceptionMonitoringEnabled)
// {
// AppDomain.CurrentDomain.FirstChanceException += (object source, FirstChanceExceptionEventArgs e) =>
// {
// if (HttpContext.Current == null)// If no context available, ignore it
// return;
// if (HttpContext.Current.Items[RequestExceptionKey] == null)
// HttpContext.Current.Items[RequestExceptionKey] = new RequestException { Exceptions = new List<Exception>() };
// (HttpContext.Current.Items[RequestExceptionKey] as RequestException).Exceptions.Add(e.Exception);
// };
// }
// }
// private void CaptureMonitoringData()
// {
// if (!firstChanceExceptionMonitoringEnabled) { return; }
// if (Context.Items[RequestExceptionKey] != null)
// {
// //Only add the request if atleast one exception is raised
// var reqExc = Context.Items[RequestExceptionKey] as RequestException;
// reqExc.Url = Request.Url.AbsoluteUri;
// Application.Lock();
// if (Application["AllExc"] == null)
// Application["AllExc"] = new List<RequestException>();
// (Application["AllExc"] as List<RequestException>).Add(reqExc);
// Application.UnLock();
// }
// }
//#endif
private void StartOrResumeTasks()
{
// NOTE: In IIS 7 using integrated mode, HttpContext.Current will always be null in Application_Start
// http://weblogs.asp.net/jgaylord/archive/2008/09/04/iis7-integrated-mode-and-global-asax.aspx
if (WebConfigSettings.UseAppKeepAlive)
{
AppKeepAliveTask keepAlive;
try
{
try
{
if ((HttpContext.Current != null) && (HttpContext.Current.Request != null))
{
keepAlive = new AppKeepAliveTask();
keepAlive.UrlToRequest = WebUtils.GetSiteRoot();
keepAlive.MaxRunTimeMinutes = WebConfigSettings.AppKeepAliveMaxRunTimeMinutes;
keepAlive.MinutesToSleep = WebConfigSettings.AppKeepAliveSleepMinutes;
keepAlive.QueueTask();
}
}
catch (HttpException)
{
//this error will be thrown when using IIS 7 Integrated pipeline mode
//since we have no context.Request to get the site root, in IIS 7 Integrated pipeline mode
//we need to use an additional config setting to get the url to request for keep alive
if (WebConfigSettings.AppKeepAliveUrl.Length > 0)
{
keepAlive = new AppKeepAliveTask();
keepAlive.UrlToRequest = WebConfigSettings.AppKeepAliveUrl;
keepAlive.MaxRunTimeMinutes = WebConfigSettings.AppKeepAliveMaxRunTimeMinutes;
keepAlive.MinutesToSleep = WebConfigSettings.AppKeepAliveSleepMinutes;
keepAlive.QueueTask();
}
}
}
catch (Exception ex)
{
// if a new installation the table will not exist yet so just log and swallow
log.Error(ex);
}
}
WebTaskManager.StartOrResumeTasks(true);
}
public static void StartOrResumeTasks(bool appWasRestarted)
{
if (WebConfigSettings.DisableTaskQueue) { return; }
List<TaskQueue> unfinishedTasks;
SiteSettings siteSettings = null;
try
{
TaskQueue.DeleteCompleted();
// the default is false and it may be problematic to try and use this as true
// because the app start event only fires 1 time not 1 time per site
if (WebConfigSettings.UsePerSiteTaskQueue)
{
// this also doesn't work in IIS 7 integrated pipeline mode because HttpContext is null
siteSettings = CacheHelper.GetCurrentSiteSettings();
}
if ((WebConfigSettings.UsePerSiteTaskQueue) && (siteSettings != null))
{
unfinishedTasks = TaskQueue.GetUnfinished(siteSettings.SiteGuid);
}
else
{
unfinishedTasks = TaskQueue.GetUnfinished();
}
if (WebTaskManagerIsRunning(unfinishedTasks, appWasRestarted)) return;
if ((appWasRestarted) && (unfinishedTasks.Count == 0)) return;
WebTaskManager taskManager = new WebTaskManager();
taskManager.QueueTask();
taskManager.StartTask();
}
catch (DbException ex)
{
log.Error(ex);
}
catch (InvalidOperationException ex)
{
log.Error(ex);
}
catch (Exception ex)
{
// hate to trap System.Exception but SqlCeException doe snot inherit from DbException as it should
if (DatabaseHelper.DBPlatform() != "SqlCe") { throw; }
log.Error(ex);
}
}
public static void StartOrResumeTasks(bool appWasRestarted)
{
if (WebConfigSettings.DisableTaskQueue)
{
return;
}
List <TaskQueue> unfinishedTasks;
SiteSettings siteSettings = null;
try
{
TaskQueue.DeleteCompleted();
// the default is false and it may be problematic to try and use this as true
// because the app start event only fires 1 time not 1 time per site
if (WebConfigSettings.UsePerSiteTaskQueue)
{
// this also doesn't work in IIS 7 integrated pipeline mode because HttpContext is null
siteSettings = CacheHelper.GetCurrentSiteSettings();
}
if ((WebConfigSettings.UsePerSiteTaskQueue) && (siteSettings != null))
{
unfinishedTasks = TaskQueue.GetUnfinished(siteSettings.SiteGuid);
}
else
{
unfinishedTasks = TaskQueue.GetUnfinished();
}
if (WebTaskManagerIsRunning(unfinishedTasks, appWasRestarted))
{
return;
}
if ((appWasRestarted) && (unfinishedTasks.Count == 0))
{
return;
}
WebTaskManager taskManager = new WebTaskManager();
taskManager.QueueTask();
taskManager.StartTask();
}
catch (DbException ex)
{
log.Error(ex);
}
catch (InvalidOperationException ex)
{
log.Error(ex);
}
catch (Exception ex)
{
// hate to trap System.Exception but SqlCeException doe snot inherit from DbException as it should
if (DatabaseHelper.DBPlatform() != "SqlCe")
{
throw;
}
log.Error(ex);
}
}
