public void Initialize() { if (!DataSetFactory.ContainsProvider("memory")) { DataSetFactory.Register(typeof(MemoryDataSet)); } if (!DataSetFactory.ContainsProvider("ab")) { DataSetFactory.Register(typeof(AzureBlobDataSet)); } string customTempLocalResourcePath = RoleEnvironment.GetLocalResource("localStorage1").RootPath; Environment.SetEnvironmentVariable("TMP", customTempLocalResourcePath); Environment.SetEnvironmentVariable("TEMP", customTempLocalResourcePath); string jobsDatabaseConnectionString = RoleEnvironment.GetConfigurationSettingValue("FetchClimate.JobsDatabaseConnectionString"); string jobsStorageConnectionString = RoleEnvironment.GetConfigurationSettingValue("FetchClimate.JobsStorageConnectionString"); foreach (TraceListener item in Trace.Listeners) { if (!(item is DefaultTraceListener)) // The default trace listener is always in any TraceSource.Listeners collection. { AutoRegistratingTraceSource.RegisterTraceListener(item); WorkerTrace.TraceEvent(TraceEventType.Information, 19, string.Format("TraceListener \"{0}\" registered for accepting data from all AutoRegistratingTraceSources", item.ToString())); } } JobManager.InitializeJobTable(jobsDatabaseConnectionString, false); configProvider = new SqlExtendedConfigurationProvider( RoleEnvironment.GetConfigurationSettingValue("ConfigurationDatabaseConnectionString")); WorkerTrace.TraceEvent(TraceEventType.Information, 6, string.Format("Connected to configuration database. Latest timestamp {0}", configProvider.GetConfiguration(DateTime.MaxValue).TimeStamp)); azureGAC = new AssemblyStore(RoleEnvironment.GetConfigurationSettingValue("FetchWorker.AssemblyStoreConnectionString")); //overriding bug-containing default azure provider with the fixed one Type t = typeof(DataSetFactory); var dict = (System.Collections.IDictionary)t.InvokeMember("providersByName", BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.GetField, null, null, null); dict.Remove("az"); DataSetFactory.Register(typeof(Microsoft.Research.Science.Data.Azure.AzureDataSet)); WorkerTrace.TraceEvent(TraceEventType.Verbose, 9, "Available Scientific DataSet providers:\n" + DataSetFactory.RegisteredToString()); if (int.TryParse(RoleEnvironment.GetConfigurationSettingValue("JobTouchPeriod"), out touchPeriodInSeconds)) { WorkerTrace.TraceEvent(TraceEventType.Verbose, 10, string.Format("Touch period for processing job is set to {0}", touchPeriodInSeconds)); } else { WorkerTrace.TraceEvent(TraceEventType.Warning, 11, string.Format("Failed to read touch period from config. Parsing of value failed. touch period is set to {0}", touchPeriodInSeconds)); } manager = new JobManager(jobsDatabaseConnectionString, jobsStorageConnectionString); //Scheduling cleanup string instanceId = RoleEnvironment.CurrentRoleInstance.Id; int.TryParse(instanceId.Substring(instanceId.LastIndexOf(".") + 1), out instanceIndex); if (instanceIndex == 0) { double cleanPeriod = 0; if (!double.TryParse(RoleEnvironment.GetConfigurationSettingValue("HoursBetweenCleanup"), out cleanPeriod)) { cleanPeriod = 23; WorkerTrace.TraceEvent(TraceEventType.Warning, 12, "Failed to parse period between clean-ups from configuration. Setting it to default 23 hours."); } cleanupTimeSpan = TimeSpan.FromHours(cleanPeriod); lastCleanUpTime = manager.LastCleanUpTime; DateTime now = DateTime.UtcNow; if (now - lastCleanUpTime >= cleanupTimeSpan) { manager.SubmitCleanUp(); lastCleanUpTime = now; } } WorkerTrace.TraceEvent(TraceEventType.Verbose, 13, string.Format("starting Allocated memory: {0}Mb", GC.GetTotalMemory(false) / 1024 / 1024)); }
// The Application_Start and Application_End methods are special methods that do not represent HttpApplication events. // ASP.NET calls them once for the lifetime of the application domain, not for each HttpApplication instance. // see "ASP.NET Application Life Cycle Overview for IIS 5.0 and 6.0" https://msdn.microsoft.com/en-us/library/ms178473.aspx // The Global.asax file is used in Integrated mode in IIS 7.0 much as it is used in ASP.NET in IIS 6.0. protected void Application_Start() { Trace.TraceInformation("Global.asax: starting the http application domain (Application_Start)."); // The System.Diagnostics.Trace object gets listeners from Web.config/configuration/system.diagnostics/trace/listeners section. // The below code copies Trace listeners to all AutoRegistratingTraceSource trace sources. foreach (TraceListener item in Trace.Listeners) { if (!(item is DefaultTraceListener)) // The default trace listener is always in any TraceSource.Listeners collection. { Microsoft.Research.Science.FetchClimate2.AutoRegistratingTraceSource.RegisterTraceListener(item); Trace.TraceInformation("TraceListener \"{0}\" registered for accepting data from all AutoRegistratingTraceSources", item); } } // Initializing Scientific DataSet registration if (!DataSetFactory.ContainsProvider("memory")) { DataSetFactory.Register(typeof(MemoryDataSet)); } if (!DataSetFactory.ContainsProvider("ab")) { DataSetFactory.Register(typeof(AzureBlobDataSet)); } Trace.TraceInformation("Scientific DataSet providers: " + string.Join(" ", DataSetFactory.GetRegisteredProviders())); // Initialize JobsManager if necessary bool firstInstance = RoleEnvironment.CurrentRoleInstance.Id == RoleEnvironment.CurrentRoleInstance.Role.Instances[0].Id; // The first Frontend role instance initializes the database if necessary. Microsoft.Research.Science.FetchClimate2.JobManager.InitializeJobTable(FrontendSettings.Current.JobsDatabaseConnectionString, firstInstance); // Initialize ASP.NET WebAPI // enabled by Microsoft.AspNet.WebApi.Tracing package if (FrontendSettings.Current.EnableAspnetDiagnosticTrace) { var tw = new System.Web.Http.Tracing.SystemDiagnosticsTraceWriter(); tw.MinimumLevel = System.Web.Http.Tracing.TraceLevel.Debug; tw.IsVerbose = true; GlobalConfiguration.Configuration.Services.Replace(typeof(System.Web.Http.Tracing.ITraceWriter), tw); } AreaRegistration.RegisterAllAreas(); WebApiConfig.Register(GlobalConfiguration.Configuration); FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters); RouteConfig.RegisterRoutes(RouteTable.Routes); //BundleConfig.RegisterBundles(BundleTable.Bundles); // enable CORS GlobalConfiguration.Configuration.MessageHandlers.Add(new CorsMessageHandler()); // configure formatters var formatters = GlobalConfiguration.Configuration.Formatters; //formatters.Remove(formatters.XmlFormatter); formatters.Add(new PlainTextFormatter()); var jsonFormatter = GlobalConfiguration.Configuration.Formatters.OfType <JsonMediaTypeFormatter>().FirstOrDefault(); if (jsonFormatter == null) { string msg = "No json media formatter is available due to some internal error"; Trace.TraceError(msg); throw new Exception(msg); } jsonFormatter.SerializerSettings.Converters.Add(new JsonCompliantNumberConverter()); }