/// <summary>
/// Call this from Application_Start in your Global.asax.cs file. Besides this call, there should be no other code in the method.
/// </summary>
// We could save people the effort of calling this by using trick #1 in
// http://www.paraesthesia.com/archive/2011/02/08/dynamic-httpmodule-registration-in-asp-net-4-0.aspx, but that would probably require making this a static
// method and would probably also cause this method to run at start up time in *all* web applications that reference the Standard Library, even the ones
// that don't want to use EWF.
protected void ewfApplicationStart(SystemLogic systemLogic)
{
// This is a hack to support data-access state in WCF services.
var wcfDataAccessState = new ThreadLocal <DataAccessState>(() => new DataAccessState());
// Initialize system.
var initTimeDataAccessState = new ThreadLocal <DataAccessState>(() => new DataAccessState());
try {
AppTools.Init(
Path.GetFileName(Path.GetDirectoryName(HttpRuntime.AppDomainAppPath)),
false,
systemLogic,
mainDataAccessStateGetter: () => {
// We must use the Instance property here to prevent this logic from always returning the request state of the *first* EwfApp instance.
return(Instance != null
? Instance.RequestState != null ? Instance.RequestState.DataAccessState : initTimeDataAccessState.Value
: System.ServiceModel.OperationContext.Current != null ? wcfDataAccessState.Value : null);
});
}
catch {
// Suppress all exceptions since there is no way to report them.
return;
}
ewlInitialized = true;
// Initialize web application.
if (!AppTools.SecondaryInitFailed)
{
executeWithBasicExceptionHandling(
() => {
EwfConfigurationStatics.Init();
// Prevent MiniProfiler JSON exceptions caused by pages with hundreds of database queries.
MiniProfiler.Settings.MaxJsonResponseSize = int.MaxValue;
GlobalType = GetType().BaseType;
MetaLogicFactory =
GlobalType.Assembly.CreateInstance("RedStapler.StandardLibrary.EnterpriseWebFramework." + GlobalType.Namespace + ".MetaLogicFactory") as
AppMetaLogicFactory;
if (MetaLogicFactory == null)
{
throw new ApplicationException("Meta logic factory not found.");
}
// This initialization could be performed using reflection. There is no need for EwfApp to have a dependency on these classes.
if (systemLogic != null)
{
CssPreprocessingStatics.Init(systemLogic.GetType().Assembly, GlobalType.Assembly);
}
else
{
CssPreprocessingStatics.Init(GlobalType.Assembly);
}
EwfUiStatics.Init(GlobalType);
initializeWebApp();
initTimeDataAccessState = null;
initialized = true;
},
false,
false);
}
// If initialization failed, unload and restart the application after a reasonable delay.
if (!initialized)
{
const int unloadDelay = 60000; // milliseconds
initFailureUnloadTimer = new Timer(
state => executeWithBasicExceptionHandling(
() => {
if (AppTools.IsDevelopmentInstallation)
{
return;
}
HttpRuntime.UnloadAppDomain();
// Restart the application by making a request. Idea from Rick Strahl:
// http://weblog.west-wind.com/posts/2013/Oct/02/Use-IIS-Application-Initialization-for-keeping-ASPNET-Apps-alive.
//
// Disable server certificate validation so that this request gets through even for web sites that don't use a certificate that is trusted by
// default. There is no security risk since we're not sending any sensitive information and we're not using the response.
NetTools.ExecuteWithResponse(IisConfigurationStatics.GetFirstBaseUrlForCurrentSite(false), response => { }, disableCertificateValidation: true);
},
false,
false),
null,
unloadDelay,
Timeout.Infinite);
}
}
/// <summary>
/// Call this from Application_Start in your Global.asax.cs file. Besides this call, there should be no other code in the method.
/// </summary>
/// <param name="globalInitializer">The system's global initializer. Do not pass null.</param>
/// <param name="appInitializer">The application initializer, which performs web-site specific initialization and cleanup. If you have one of these you
/// should name the class AppInitializer.</param>
public static void InitStatics(SystemInitializer globalInitializer, SystemInitializer appInitializer = null)
{
// This is a hack to support data-access state in WCF services.
var wcfDataAccessState = new ThreadLocal <DataAccessState>(() => new DataAccessState());
// Initialize system.
var initTimeDataAccessState = new ThreadLocal <DataAccessState>(() => new DataAccessState());
try {
AppTools.Init(
globalInitializer,
Path.GetFileName(Path.GetDirectoryName(HttpRuntime.AppDomainAppPath)),
false,
mainDataAccessStateGetter:
() => {
return(EwfApp.Instance != null
? EwfApp.Instance.RequestState != null ? EwfApp.Instance.RequestState.DataAccessState : initTimeDataAccessState.Value
: System.ServiceModel.OperationContext.Current != null ? wcfDataAccessState.Value : null);
});
}
catch {
// Suppress all exceptions since there is no way to report them.
return;
}
ewlInitialized = true;
// Initialize web application.
if (!AppTools.SecondaryInitFailed)
{
EwfApp.ExecuteWithBasicExceptionHandling(
() => {
EwfConfigurationStatics.Init();
// Prevent MiniProfiler JSON exceptions caused by pages with hundreds of database queries.
MiniProfiler.Settings.MaxJsonResponseSize = int.MaxValue;
var globalType = BuildManager.GetGlobalAsaxType().BaseType;
var metaLogicFactory =
globalType.Assembly.CreateInstance("RedStapler.StandardLibrary.EnterpriseWebFramework." + globalType.Namespace + ".MetaLogicFactory") as
AppMetaLogicFactory;
if (metaLogicFactory == null)
{
throw new ApplicationException("Meta logic factory not found.");
}
EwfApp.Init(globalType, metaLogicFactory);
EwfPage.Init(
() => {
var cssInfos = new List <ResourceInfo>();
cssInfos.AddRange(EwfApp.MetaLogicFactory.CreateBasicCssInfos());
if (EwfUiStatics.AppMasterPage != null)
{
cssInfos.AddRange(EwfApp.MetaLogicFactory.CreateEwfUiCssInfos());
}
cssInfos.AddRange(EwfApp.Instance.GetStyleSheets());
if (EwfUiStatics.AppMasterPage != null)
{
cssInfos.AddRange(EwfUiStatics.AppProvider.GetStyleSheets());
}
return(cssInfos);
});
CssPreprocessingStatics.Init(globalInitializer.GetType().Assembly, globalType.Assembly);
EwfUiStatics.Init(globalType);
EwfInitializationOps.appInitializer = appInitializer;
if (appInitializer != null)
{
appInitializer.InitStatics();
}
initTimeDataAccessState = null;
EwfApp.FrameworkInitialized = true;
},
false,
false);
}
// If initialization failed, unload and restart the application after a reasonable delay.
if (!EwfApp.FrameworkInitialized)
{
const int unloadDelay = 60000; // milliseconds
initFailureUnloadTimer = new Timer(
state => EwfApp.ExecuteWithBasicExceptionHandling(
() => {
if (AppTools.IsDevelopmentInstallation)
{
return;
}
HttpRuntime.UnloadAppDomain();
// Restart the application by making a request. Idea from Rick Strahl:
// http://weblog.west-wind.com/posts/2013/Oct/02/Use-IIS-Application-Initialization-for-keeping-ASPNET-Apps-alive.
//
// Disable server certificate validation so that this request gets through even for web sites that don't use a certificate that is trusted by
// default. There is no security risk since we're not sending any sensitive information and we're not using the response.
NetTools.ExecuteWithResponse(IisConfigurationStatics.GetFirstBaseUrlForCurrentSite(false), response => { }, disableCertificateValidation: true);
},
false,
false),
null,
unloadDelay,
Timeout.Infinite);
}
}
