private void RegisterEventSubscriptionsWithIIS(IntPtr appContext, HttpContext context, MethodInfo[] handlers) {
RequestNotification requestNotifications;
RequestNotification postRequestNotifications;
// register an implicit filter module
RegisterIntegratedEvent(appContext,
IMPLICIT_FILTER_MODULE,
RequestNotification.UpdateRequestCache| RequestNotification.LogRequest /*requestNotifications*/,
0 /*postRequestNotifications*/,
String.Empty /*type*/,
String.Empty /*precondition*/,
true /*useHighPriority*/);
// integrated pipeline will always use serverModules instead of <httpModules>
_moduleCollection = GetModuleCollection(appContext);
if (handlers != null) {
HookupEventHandlersForApplicationAndModules(handlers);
}
// 1643363: Breaking Change: ASP.Net v2.0: Application_OnStart is called after Module.Init (Integarted mode)
HttpApplicationFactory.EnsureAppStartCalledForIntegratedMode(context, this);
// Call Init on HttpApplication derived class ("global.asax")
// and process event subscriptions before processing other modules.
// Doing this now prevents clearing any events that may
// have been added to event handlers during instantiation of this instance.
// NOTE: If "global.asax" has a constructor which hooks up event handlers,
// then they were added to the event handler lists but have not been registered with IIS yet,
// so we MUST call ProcessEventSubscriptions on it first, before the other modules.
_currentModuleCollectionKey = HttpApplicationFactory.applicationFileName;
try {
_hideRequestResponse = true;
context.HideRequestResponse = true;
_context = context;
Init();
}
catch (Exception e) {
RecordError(e);
Exception error = context.Error;
if (error != null) {
throw error;
}
}
finally {
_context = null;
context.HideRequestResponse = false;
_hideRequestResponse = false;
}
ProcessEventSubscriptions(out requestNotifications, out postRequestNotifications);
// Save the notification subscriptions so we can register them with IIS later, after
// we call HookupEventHandlersForApplicationAndModules and process global.asax event handlers.
_appRequestNotifications |= requestNotifications;
_appPostNotifications |= postRequestNotifications;
for (int i = 0; i < _moduleCollection.Count; i++) {
_currentModuleCollectionKey = _moduleCollection.GetKey(i);
IHttpModule httpModule = _moduleCollection.Get(i);
ModuleConfigurationInfo moduleInfo = _moduleConfigInfo[i];
#if DBG
Debug.Trace("PipelineRuntime", "RegisterEventSubscriptionsWithIIS: name=" + CurrentModuleCollectionKey
+ ", type=" + httpModule.GetType().FullName + "\n");
// make sure collections are in [....]
Debug.Assert(moduleInfo.Name == _currentModuleCollectionKey, "moduleInfo.Name == _currentModuleCollectionKey");
#endif
httpModule.Init(this);
ProcessEventSubscriptions(out requestNotifications, out postRequestNotifications);
// are any events wired up?
if (requestNotifications != 0 || postRequestNotifications != 0) {
RegisterIntegratedEvent(appContext,
moduleInfo.Name,
requestNotifications,
postRequestNotifications,
moduleInfo.Type,
moduleInfo.Precondition,
false /*useHighPriority*/);
}
}
// WOS 1728067: RewritePath does not remap the handler when rewriting from a non-ASP.NET request
// register a default implicit handler
RegisterIntegratedEvent(appContext,
IMPLICIT_HANDLER,
RequestNotification.ExecuteRequestHandler | RequestNotification.MapRequestHandler /*requestNotifications*/,
RequestNotification.EndRequest /*postRequestNotifications*/,
String.Empty /*type*/,
String.Empty /*precondition*/,
false /*useHighPriority*/);
}
