CGlobalModule：：OnGlobalCustomNotification 方法
表示將處理 GlobalCustomNotification 事件的方法，這會在模組引發使用者定義通知時發生。
語法
virtual GLOBAL_NOTIFICATION_STATUS OnGlobalCustomNotification(
IN ICustomNotificationProvider* pProvider
);
參數
pProvider
[IN] ICustomNotificationProvider 介面的 指標。
傳回值
備註
當全域模組已註冊GL_CUSTOM_NOTIFICATION事件通知時，如果模組呼叫IHttpServer：：NotifyCustomNotification) ，IIS 將會呼叫模組 OnGlobalCustomNotification 的 方法 (。
注意
全域模組可以在模組的RegisterModule函式中註冊 ，以註冊 GlobalCustomNotificationGL_CUSTOM_NOTIFICATION 事件通知。
範例
下列程式碼範例示範如何建立執行下列工作的 HTTP 模組：
註冊 GL_PRE_BEGIN_REQUEST 和
GL_CUSTOM_NOTIFICATION通知。建立包含OnGlobalPreBeginRequest和OnGlobalCustomNotification方法的CGlobalModule類別。
方法
OnGlobalPreBeginRequest會將事件寫入指定目前通知的事件檢視器。 方法接著會建立 介面的ICustomNotificationProvider實例，並使用 方法引發自訂通知NotifyCustomNotification。方法
OnGlobalCustomNotification會使用 ICustomNotificationProvider：：QueryNotificationType 方法來擷取自訂通知的唯一識別碼。 如果唯一識別碼相符，OnGlobalCustomNotification方法會將事件寫入至指定引發自訂通知的事件檢視器。
CGlobalModule從記憶體中移除 類別，然後結束。
#define _WINSOCKAPI_
#include <windows.h>
#include <sal.h>
#include <httpserv.h>
// Define the unique notification indentifier.
#define MY_CUSTOM_NOTIFICATION L"MyCustomNotification"
// Create a pointer for the global server interface.
IHttpServer * g_pHttpServer = NULL;
// Create the custom notification class.
class MyCustomProvider : public ICustomNotificationProvider
{
public:
// Create the method that will identify the custom notification.
PCWSTR QueryNotificationType(VOID)
{
// Return the unique identifier string for the custom notification.
return MY_CUSTOM_NOTIFICATION;
}
// Create the method that will process errors.
VOID SetErrorStatus(HRESULT hrError)
{
return;
}
};
// Create the module's global class.
class MyGlobalModule : public CGlobalModule
{
private:
// Create a handle for the Event Viewer.
HANDLE m_hEventLog;
// Create a pointer for the custom notification.
MyCustomProvider * m_pCustomProvider;
public:
MyGlobalModule()
{
// Open the global handle to the Event Viewer.
m_hEventLog = RegisterEventSource( NULL,"IISADMIN" );
// Initialize the pointer for the custom notification to NULL.
m_pCustomProvider = NULL;
}
~MyGlobalModule()
{
// Test whether the handle for the Event Viewer is open.
if (NULL != m_hEventLog)
{
// Close the handle to the event viewer.
DeregisterEventSource( m_hEventLog );
m_hEventLog = NULL;
}
// Test whether the pointer for the custom notification is valid.
if (NULL != m_pCustomProvider)
{
// Remove the custom notification from memory.
delete m_pCustomProvider;
m_pCustomProvider = NULL;
}
}
GLOBAL_NOTIFICATION_STATUS
OnGlobalPreBeginRequest(
IN IPreBeginRequestProvider * pProvider
)
{
// Create an array of strings.
LPCSTR szBuffer[2] = {"MyGlobalModule","OnGlobalPreBeginRequest"};
// Write the strings to the Event Viewer.
WriteEventViewerLog(szBuffer,2);
// Create the custom notification provider class.
MyCustomProvider * m_pCustomProvider = new MyCustomProvider;
// Test if the server and notification pointers are valid.
if ((NULL != m_pCustomProvider) && (NULL != g_pHttpServer))
{
// Raise the custom notification.
BOOL fCompletionExpected = TRUE;
g_pHttpServer->NotifyCustomNotification(m_pCustomProvider);
}
// Return processing to the pipeline.
return GL_NOTIFICATION_CONTINUE;
}
GLOBAL_NOTIFICATION_STATUS
OnGlobalCustomNotification(
IN ICustomNotificationProvider * pProvider
)
{
// Retrieve the custom notification type;
PCWSTR pNotificationType = pProvider->QueryNotificationType();
// Test if the custom notification is correct.
if (0 == wcscmp(pNotificationType,MY_CUSTOM_NOTIFICATION))
{
// Create an array of strings.
LPCSTR szBuffer[2] = {"MyGlobalModule","OnGlobalCustomNotification"};
// Write the strings to the Event Viewer.
WriteEventViewerLog(szBuffer,2);
}
// Return processing to the pipeline.
return GL_NOTIFICATION_CONTINUE;
}
VOID Terminate()
{
// Remove the class from memory.
delete this;
}
private:
// Create a method that writes to the Event Viewer.
BOOL WriteEventViewerLog(LPCSTR szBuffer[], WORD wNumStrings)
{
// Test whether the handle for the Event Viewer is open.
if (NULL != m_hEventLog)
{
// Write any strings to the Event Viewer and return.
return ReportEvent(
m_hEventLog,
EVENTLOG_INFORMATION_TYPE,
0, 0, NULL, wNumStrings,
0, szBuffer, NULL );
}
return FALSE;
}
};
// Create the module's exported registration function.
HRESULT
__stdcall
RegisterModule(
DWORD dwServerVersion,
IHttpModuleRegistrationInfo * pModuleInfo,
IHttpServer * pGlobalInfo
)
{
UNREFERENCED_PARAMETER( dwServerVersion );
UNREFERENCED_PARAMETER( pGlobalInfo );
// Create an HRESULT to receive return values from methods.
HRESULT hr;
// Store the pointer for the global server interface.
g_pHttpServer = pGlobalInfo;
// Create an instance of the global module class.
MyGlobalModule * pGlobalModule = new MyGlobalModule;
// Test for an error.
if (NULL == pGlobalModule)
{
return HRESULT_FROM_WIN32(ERROR_NOT_ENOUGH_MEMORY);
}
// Set the global notifications.
hr = pModuleInfo->SetGlobalNotifications(
pGlobalModule, GL_PRE_BEGIN_REQUEST | GL_CUSTOM_NOTIFICATION );
// Test for an error and exit if necessary.
if (FAILED(hr))
{
return hr;
}
// Return a success status;
return S_OK;
}
您的模組必須匯出 RegisterModule 函式 。 您可以為專案建立模組定義 (.def) 檔案，或使用 參數編譯模組 /EXPORT:RegisterModule 來匯出此函式。 如需詳細資訊，請參閱逐步解說 ：使用機器碼建立Global-Level HTTP 模組。
您可以選擇性地使用呼叫慣例編譯器代碼， __stdcall (/Gz) 而不是明確宣告每個函式的呼叫慣例。
規格需求
| 類型 | 描述 |
|---|---|
| Client | - Windows Vista 上的 IIS 7.0 - Windows 7 上的 IIS 7.5 - Windows 8 上的 IIS 8.0 - Windows 10上的 IIS 10.0 |
| 伺服器 | - Windows Server 2008 上的 IIS 7.0 - Windows Server 2008 R2 上的 IIS 7.5 - Windows Server 2012 上的 IIS 8.0 - Windows Server 2012 R2 上的 IIS 8.5 - Windows Server 2016上的 IIS 10.0 |
| 產品 | - IIS 7.0、IIS 7.5、IIS 8.0、IIS 8.5、IIS 10.0 - IIS Express 7.5、IIS Express 8.0、IIS Express 10.0 |
| 標頭 | Httpserv.h |