protected void Application_Start()
{
AreaRegistration.RegisterAllAreas();
WebApiConfig.Register(GlobalConfiguration.Configuration);
FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
RouteConfig.RegisterRoutes(RouteTable.Routes);
BundleConfig.RegisterBundles(BundleTable.Bundles);
AuthConfig.RegisterAuth();
// BUGBUG: remove this when starting to deploy real production data
//System.Data.Entity.Database.SetInitializer(new System.Data.Entity.DropCreateDatabaseIfModelChanges<WebTimer.WebRole.Models.UserDataContext>());
// the database must exist for the role to run
if (!UserDataContext.InitializeDatabase())
{
TraceLog.TraceFatal("Application_Start: Cannot initialize the user database");
}
}
public override void Run()
{
// initialize splunk logging (we do this here instead of OnStart so that the Azure logger has time to really start)
TraceLog.TraceInfo("WorkerRole started");
// the database must exist for the role to run
if (!UserDataContext.InitializeDatabase())
{
TraceLog.TraceFatal("Cannot initialize the UserData database");
return;
}
#if DISABLE
// check the database schema versions to make sure there is no version mismatch
if (!Storage.NewUserContext.CheckSchemaVersion())
{
TraceLog.TraceFatal("User database schema is out of sync, unrecoverable error");
return;
}
if (!Storage.NewSuggestionsContext.CheckSchemaVersion())
{
TraceLog.TraceFatal("Suggestions database schema is out of sync, unrecoverable error");
return;
}
// (re)create the database constants if the code contains a newer version
if (!Storage.NewUserContext.VersionConstants(Me))
{
TraceLog.TraceFatal("Cannot check and/or update the User database constants, unrecoverable error");
return;
}
if (!Storage.NewSuggestionsContext.VersionConstants(Me))
{
TraceLog.TraceFatal("Cannot check and/or update the Suggestions database constants, unrecoverable error");
return;
}
#endif
// get the number of workers (default is 0)
#if false
int workflowWorkerCount = ConfigurationSettings.GetAsNullableInt(HostEnvironment.WorkflowWorkerCountConfigKey) ?? 0;
var workflowWorkerArray = new WorkflowWorker.WorkflowWorker[workflowWorkerCount];
int timerWorkerCount = ConfigurationSettings.GetAsNullableInt(HostEnvironment.TimerWorkerCountConfigKey) ?? 0;
var timerWorkerArray = new TimerWorker.TimerWorker[timerWorkerCount];
int mailWorkerCount = ConfigurationSettings.GetAsNullableInt(HostEnvironment.MailWorkerCountConfigKey) ?? 0;
var mailWorkerArray = new MailWorker.MailWorker[mailWorkerCount];
#endif
int analyticsWorkerCount = ConfigurationSettings.GetAsNullableInt(HostEnvironment.AnalyticsWorkerCountConfigKey) ?? 0;
var analyticsWorkerArray = new WebTimer.AnalyticsWorker.AnalyticsWorker[analyticsWorkerCount];
int processorWorkerCount = ConfigurationSettings.GetAsNullableInt(HostEnvironment.ProcessorWorkerCountConfigKey) ?? 0;
var processorWorkerArray = new WebTimer.ProcessorWorker.ProcessorWorker[processorWorkerCount];
// run an infinite loop doing the following:
// check whether the worker services have stopped (indicated by a null reference)
// (re)start the service on a new thread if necessary
// sleep for the timeout period
while (true)
{
#if false
// start workflow and timer workers in both dev and deployed Azure fabric
RestartWorkerThreads <WorkflowWorker.WorkflowWorker>(workflowWorkerArray);
RestartWorkerThreads <TimerWorker.TimerWorker>(timerWorkerArray);
// start mail and speech workers only in deployed Azure fabric
if (!HostEnvironment.IsAzureDevFabric)
{
RestartWorkerThreads <MailWorker.MailWorker>(mailWorkerArray);
}
if (!HostEnvironment.IsAzureDevFabric)
{
RestartWorkerThreads <SpeechWorker.SpeechWorker>(speechWorkerArray);
}
#endif
// start Analytics worker in both dev and deployed Azure fabric
RestartWorkerThreads <WebTimer.AnalyticsWorker.AnalyticsWorker>(analyticsWorkerArray);
// start Processor worker in both dev and deployed Azure fabric
RestartWorkerThreads <WebTimer.ProcessorWorker.ProcessorWorker>(processorWorkerArray);
// sleep for the timeout period
Thread.Sleep(timeout);
}
}