380 lines
9.6 KiB
C++
380 lines
9.6 KiB
C++
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1995.
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//
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// File: libmain.cxx
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//
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// Contents: LibMain for nds.dll
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//
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// Functions: LibMain, DllGetClassObject
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//
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// History: 25-Oct-94 KrishnaG Created.
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//
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//----------------------------------------------------------------------------
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#include "nds.hxx"
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#pragma hdrstop
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HINSTANCE g_hInst = NULL;
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extern HMODULE g_hActiveDs;
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WCHAR * szNDSPrefix = L"@NDS!";
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extern CRITICAL_SECTION g_DispTypeInfoCritSect;
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//---------------------------------------------------------------------------
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// ADs debug print, mem leak and object tracking-related stuff
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//---------------------------------------------------------------------------
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DECLARE_INFOLEVEL(ADs)
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//+---------------------------------------------------------------------------
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//
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// Function: ShutDown
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//
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// Synopsis: Function to handle printing out heap debugging display
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//
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//----------------------------------------------------------------------------
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inline VOID ShutDown()
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{
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#if DBG==1
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#ifndef MSVC
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DUMP_TRACKING_INFO_DELETE();
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DeleteCriticalSection(&g_csOT);
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#endif // ifndef MSVC
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DeleteCriticalSection(&g_csDP);
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#endif
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}
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extern "C" DWORD heapInfoLevel;
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extern "C" DWORD OtInfoLevel;
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extern "C" DWORD ADsInfoLevel;
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//+---------------------------------------------------------------------------
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//
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// Function: GetINIHeapInfoLevel
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//
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// Synopsis: Gets various infolevel values from win.ini
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//
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//----------------------------------------------------------------------------
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inline VOID GetINIHeapInfoLevel()
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{
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#if DBG==1
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const INT MAXINFOLEN=11;
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WCHAR awcs[MAXINFOLEN];
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#ifndef MSVC
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if (GetProfileString(L"NDS",L"heapInfoLevel", L"00000003", awcs,MAXINFOLEN))
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heapInfoLevel = wcstoul(awcs, NULL, 16);
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if (GetProfileString(L"NDS",L"Ot", L"00000003", awcs, MAXINFOLEN))
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OtInfoLevel = wcstoul(awcs, NULL, 16);
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#endif // MSVC
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if (GetProfileString(L"NDS",L"ADsInfoLevel", L"00000003", awcs,MAXINFOLEN))
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ADsInfoLevel = wcstoul(awcs, NULL, 16);
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#endif
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}
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// Globals
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ULONG g_ulObjCount = 0; // Number of objects alive in oleds.dll
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//+------------------------------------------------------------------------
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//
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// Macro that calculates the number of elements in a statically-defined
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// array.
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//
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// Note - I swiped this from ADsary.cxx - A type-safe array class. Remember
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// to swipe the whole thing as required.
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//-------------------------------------------------------------------------
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#define ARRAY_SIZE(_a) (sizeof(_a) / sizeof(_a[0]))
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CNDSProviderCF g_cfProvider;
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CNDSNamespaceCF g_cfNamespace;
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CCaseIgnoreListCF g_cfCaseIgnoreList;
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CFaxNumberCF g_cfFaxNumber;
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CNetAddressCF g_cfNetAddress;
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COctetListCF g_cfOctetList;
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CEmailCF g_cfEmail;
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CPathCF g_cfPath;
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CReplicaPointerCF g_cfReplicaPointer;
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CTimestampCF g_cfTimestamp;
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CPostalAddressCF g_cfPostalAddress;
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CBackLinkCF g_cfBackLink;
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CTypedNameCF g_cfTypedName;
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CHoldCF g_cfHold;
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//+------------------------------------------------------------------------
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//
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// oleds class factories
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//
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//-------------------------------------------------------------------------
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struct CLSCACHE
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{
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const CLSID * pclsid;
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IClassFactory * pCF;
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};
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CLSCACHE g_aclscache[] =
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{
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&CLSID_NDSProvider, &g_cfProvider,
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&CLSID_NDSNamespace, &g_cfNamespace,
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&CLSID_CaseIgnoreList, &g_cfCaseIgnoreList,
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&CLSID_FaxNumber, &g_cfFaxNumber,
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&CLSID_NetAddress, &g_cfNetAddress,
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&CLSID_OctetList, &g_cfOctetList,
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&CLSID_Email, &g_cfEmail,
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&CLSID_Path, &g_cfPath,
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&CLSID_ReplicaPointer, &g_cfReplicaPointer,
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&CLSID_Timestamp, &g_cfTimestamp,
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&CLSID_PostalAddress, &g_cfPostalAddress,
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&CLSID_BackLink, &g_cfBackLink,
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&CLSID_TypedName, &g_cfTypedName,
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&CLSID_Hold, &g_cfHold,
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};
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//+---------------------------------------------------------------
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//
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// Function: DllGetClassObject
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//
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// Synopsis: Standard DLL entrypoint for locating class factories
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//
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//----------------------------------------------------------------
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STDAPI
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DllGetClassObject(REFCLSID clsid, REFIID iid, LPVOID FAR* ppv)
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{
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HRESULT hr;
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size_t i;
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for (i = 0; i < ARRAY_SIZE(g_aclscache); i++)
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{
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if (IsEqualCLSID(clsid, *g_aclscache[i].pclsid))
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{
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hr = g_aclscache[i].pCF->QueryInterface(iid, ppv);
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RRETURN(hr);
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}
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}
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*ppv = NULL;
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//
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// Add Debugging Code to indicate that the oleds.DllGetClassObject has been called with an unknown CLSID.
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//
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return E_NOINTERFACE;
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}
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//+---------------------------------------------------------------
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//
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// Function: DllCanUnloadNow
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//
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// Synopsis: Standard DLL entrypoint to determine if DLL can be unloaded
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//
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//---------------------------------------------------------------
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STDAPI
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DllCanUnloadNow(void)
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{
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HRESULT hr;
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hr = S_FALSE;
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if (DllReadyToUnload()) {
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hr = S_OK;
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}
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return hr;
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}
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//+---------------------------------------------------------------
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//
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// Function: LibMain
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//
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// Synopsis: Standard DLL initialization entrypoint
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//
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//---------------------------------------------------------------
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EXTERN_C BOOL __cdecl
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LibMain(HINSTANCE hInst, ULONG ulReason, LPVOID pvReserved)
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{
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HRESULT hr;
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switch (ulReason)
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{
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case DLL_PROCESS_ATTACH:
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//
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// Need to trap cases of init crit sect failing.
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//
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__try {
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DisableThreadLibraryCalls(hInst);
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g_hInst = hInst;
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g_hActiveDs = GetModuleHandle(TEXT("activeds.dll"));
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#if DBG==1
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#ifndef MSVC
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InitializeCriticalSection(&g_csOT);
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InitializeCriticalSection(&g_csMem);
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#endif
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InitializeCriticalSection(&g_csDP);
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#endif
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InitializeCriticalSection(&g_DispTypeInfoCritSect);
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//
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// Build the global object class cache
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//
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hr = CClassCache::CreateClassCache(
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&pgClassCache
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);
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if (FAILED(hr)) {
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return(FALSE);
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}
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}
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__except (EXCEPTION_EXECUTE_HANDLER) {
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//
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// Critical Failure
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//
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return FALSE;
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}
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break;
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case DLL_PROCESS_DETACH:
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delete pgClassCache;
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// FreeTypeInfoTable();
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//
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// Delete the critsects
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//
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#if DBG==1
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#ifndef MSVC
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DeleteCriticalSection(&g_csOT);
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DeleteCriticalSection(&g_csMem);
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#endif
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DeleteCriticalSection(&g_csDP);
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#endif
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DeleteCriticalSection(&g_DispTypeInfoCritSect);
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break;
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default:
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break;
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}
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return TRUE;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: DllMain
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//
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// Synopsis: entry point for NT - post .546
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//
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//----------------------------------------------------------------------------
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BOOL
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DllMain(HANDLE hDll, DWORD dwReason, LPVOID lpReserved)
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{
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return LibMain((HINSTANCE)hDll, dwReason, lpReserved);
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}
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//+------------------------------------------------------------------------
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//
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// Function: GetCachedClsidIndex
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//
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// Synopsis: Returns the index of the given CLSID in the cache, or
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// -1 if the CLSID is not present in the cache
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//
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// Arguments: [clsid]
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//
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// Returns: int
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//
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//-------------------------------------------------------------------------
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int
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GetCachedClsidIndex(REFCLSID clsid)
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{
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int i;
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CLSCACHE * pclscache;
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for (i = 0, pclscache = g_aclscache;
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i < ARRAY_SIZE(g_aclscache);
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i ++, pclscache++)
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{
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if (IsEqualCLSID(*pclscache->pclsid, clsid))
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return i;
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}
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return -1;
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}
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//+------------------------------------------------------------------------
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//
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// Function: GetCachedClassFactory
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//
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// Synopsis: Returns the cached class factory with the given index.
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// The pointer returned has been AddRef'd.
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//
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// Arguments: [iclsid]
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//
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// Returns: IClassFactory *
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//
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//-------------------------------------------------------------------------
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IClassFactory *
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GetCachedClassFactory(int iclsid)
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{
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IClassFactory * pCF;
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// Assert(iclsid >= 0);
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// Assert(iclsid < ARRAY_SIZE(g_aclscache));
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pCF = g_aclscache[iclsid].pCF;
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pCF->AddRef();
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return pCF;
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}
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//+------------------------------------------------------------------------
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//
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// Function: GetCachedClsid
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//
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// Synopsis: Returns the CLSID corresponding to the given index.
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// Normally, code should call GetCachedClassFactory to get
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// the class factory directly.
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//
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// Arguments: [iclsid] -- Clsid index
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// [pclsid] -- Matching clsid returned in *pclsid
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//
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//-------------------------------------------------------------------------
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void
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GetCachedClsid(int iclsid, CLSID * pclsid)
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{
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// Assert(iclsid >= 0);
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// Assert(iclsid < ARRAY_SIZE(g_aclscache));
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*pclsid = *g_aclscache[iclsid].pclsid;
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}
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