ATL Internals: Working with ATL 8, Second Edition

Chapter 14. ATL Server Internals

ATL Server provides a robust implementation of an ISAPI extension right out of the box. It manages threading and IIS resources so you don’t have to. You’ve already seen how to use ATL Server in Chapter 13, “Hello, ATL Server”; now let’s take a look under the hood and see how it works.

Implementing ISAPI in ATL Server

The CIsapiExtension class is the heart of ATL’s implementation of the ISAPI interface.

template <class ThreadPoolClass=CThreadPool<CIsapiWorker>,    class CRequestStatClass=CNoRequestStats,                    class HttpUserErrorTextProvider=CDefaultErrorProvider,      class WorkerThreadTraits=DefaultThreadTraits,               class CPageCacheStats=CNoStatClass,                         class CStencilCacheStats=CNoStatClass>                     ...