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131 lines
2.6 KiB
131 lines
2.6 KiB
//
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// dll.cpp
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//
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#include <iostream.h>
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#include <objbase.h>
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#include <shlwapi.h>
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#include <shlwapip.h>
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#include <shlobj.h>
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#include "cowsite.h"
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#include "Iface.h" // Interface declarations
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#include "Registry.h" // Registry helper functions
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#include "migutil.h"
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#include "migeng.h"
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#include "migfact.h"
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#include "migtask.h"
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#include "migoobe.h"
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///////////////////////////////////////////////////////////
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//
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// Global variables
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//
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HMODULE g_hModule = NULL; // DLL module handle
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static long g_cComponents = 0; // Count of active components
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// Friendly name of component
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const char g_szFriendlyName[] = "Migration Wizard Engine";
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// Version-independent ProgID
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const char g_szVerIndProgID[] = "MigWiz";
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// ProgID
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const char g_szProgID[] = "MigWiz.1";
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///////////////////////////////////////////////////////////
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//
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// Exported functions
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//
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STDAPI DllAddRef()
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{
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InterlockedIncrement(&g_cComponents);
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return S_OK;
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}
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STDAPI DllRelease()
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{
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InterlockedDecrement(&g_cComponents);
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return S_OK;
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}
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//
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// Can DLL unload now?
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//
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STDAPI DllCanUnloadNow()
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{
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if (g_cComponents == 0)
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{
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return S_OK;
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}
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else
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{
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return S_FALSE;
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}
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}
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//
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// Get class factory
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//
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STDAPI DllGetClassObject(const CLSID& clsid,
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const IID& iid,
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void** ppv)
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{
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HRESULT hres;
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DllAddRef();
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if (IsEqualIID(clsid, CLSID_MigWizEngine))
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{
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hres = CMigFactory_Create(clsid, iid, ppv);
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}
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else
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{
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*ppv = NULL;
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hres = CLASS_E_CLASSNOTAVAILABLE;
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}
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DllRelease();
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return hres;
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}
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//
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// Server registration
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//
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STDAPI DllRegisterServer()
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{
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return RegisterServer(g_hModule,
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CLSID_MigWizEngine,
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g_szFriendlyName,
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g_szVerIndProgID,
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g_szProgID);
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}
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//
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// Server unregistration
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//
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STDAPI DllUnregisterServer()
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{
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return UnregisterServer(CLSID_MigWizEngine,
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g_szVerIndProgID,
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g_szProgID);
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}
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///////////////////////////////////////////////////////////
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//
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// DLL module information
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//
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BOOL APIENTRY DllMain(HANDLE hModule,
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DWORD dwReason,
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void* lpReserved)
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{
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if (dwReason == DLL_PROCESS_ATTACH)
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{
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g_hModule = (HMODULE)hModule;
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DisableThreadLibraryCalls((HMODULE)hModule); // PERF: makes faster because we don't get thread msgs
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}
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return TRUE;
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}
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