dlls/dxdiagn/dxdiag_main.c

   1 /*
   2  * DXDiag
   3  *
   4  * Copyright 2004 Raphael Junqueira
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  *
  20  */
  21
  22 #define COBJMACROS
  23
  24 #include <stdarg.h>
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "objbase.h"
  29 #include "oleauto.h"
  30 #include "oleidl.h"
  31 #include "rpcproxy.h"
  32 #include "initguid.h"
  33 #include "dxdiag_private.h"
  34 #include "wine/debug.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(dxdiag);
  37
  38 HINSTANCE dxdiagn_instance = 0;
  39
  40 LONG DXDIAGN_refCount = 0;
  41
  42 /* At process attach */
  43 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpvReserved)
  44 {
  45   TRACE("%p,%x,%p\n", hInstDLL, fdwReason, lpvReserved);
  46   if (fdwReason == DLL_PROCESS_ATTACH) {
  47       dxdiagn_instance = hInstDLL;
  48       DisableThreadLibraryCalls(hInstDLL);
  49   }
  50   return TRUE;
  51 }
  52
  53 /*******************************************************************************
  54  * DXDiag ClassFactory
  55  */
  56 typedef struct {
  57   IClassFactory IClassFactory_iface;
  58 } IClassFactoryImpl;
  59
  60 static HRESULT WINAPI DXDiagCF_QueryInterface(IClassFactory *iface, REFIID riid, void **ppv)
  61 {
  62   if (ppv == NULL)
  63     return E_POINTER;
  64
  65   if (IsEqualGUID(&IID_IUnknown, riid))
  66     TRACE("(%p)->(IID_IUnknown %p)\n", iface, ppv);
  67   else if (IsEqualGUID(&IID_IClassFactory, riid))
  68     TRACE("(%p)->(IID_IClassFactory %p)\n", iface, ppv);
  69   else if (IsEqualGUID(&IID_IExternalConnection, riid) ||
  70            IsEqualGUID(&IID_IMarshal, riid)) {
  71     TRACE("(%p)->(%s) ignoring\n", iface, debugstr_guid(riid));
  72     *ppv = NULL;
  73     return E_NOINTERFACE;
  74   }
  75   else {
  76     FIXME("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppv);
  77     *ppv = NULL;
  78     return E_NOINTERFACE;
  79   }
  80
  81   *ppv = iface;
  82   IClassFactory_AddRef(iface);
  83   return S_OK;
  84 }
  85
  86 static ULONG WINAPI DXDiagCF_AddRef(IClassFactory *iface)
  87 {
  88   DXDIAGN_LockModule();
  89
  90   return 2; /* non-heap based object */
  91 }
  92
  93 static ULONG WINAPI DXDiagCF_Release(IClassFactory * iface)
  94 {
  95   DXDIAGN_UnlockModule();
  96
  97   return 1; /* non-heap based object */
  98 }
  99
 100 static HRESULT WINAPI DXDiagCF_CreateInstance(IClassFactory *iface, IUnknown *pOuter, REFIID riid,
 101         void **ppv)
 102 {
 103   TRACE("(%p)->(%p,%s,%p)\n", iface, pOuter, debugstr_guid(riid), ppv);
 104
 105   return DXDiag_CreateDXDiagProvider(iface, pOuter, riid, ppv);
 106 }
 107
 108 static HRESULT WINAPI DXDiagCF_LockServer(IClassFactory *iface, BOOL dolock)
 109 {
 110   TRACE("(%d)\n", dolock);
 111
 112   if (dolock)
 113     DXDIAGN_LockModule();
 114   else
 115     DXDIAGN_UnlockModule();
 116
 117   return S_OK;
 118 }
 119
 120 static const IClassFactoryVtbl DXDiagCF_Vtbl = {
 121   DXDiagCF_QueryInterface,
 122   DXDiagCF_AddRef,
 123   DXDiagCF_Release,
 124   DXDiagCF_CreateInstance,
 125   DXDiagCF_LockServer
 126 };
 127
 128 static IClassFactoryImpl DXDiag_CF = { { &DXDiagCF_Vtbl } };
 129
 130 /***********************************************************************
 131  *             DllCanUnloadNow (DXDIAGN.@)
 132  */
 133 HRESULT WINAPI DllCanUnloadNow(void)
 134 {
 135   return DXDIAGN_refCount != 0 ? S_FALSE : S_OK;
 136 }
 137
 138 /***********************************************************************
 139  *              DllGetClassObject (DXDIAGN.@)
 140  */
 141 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 142 {
 143     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 144
 145     if (IsEqualGUID(rclsid, &CLSID_DxDiagProvider)) {
 146       IClassFactory_AddRef(&DXDiag_CF.IClassFactory_iface);
 147       *ppv = &DXDiag_CF.IClassFactory_iface;
 148       return S_OK;
 149     }
 150
 151     FIXME("(%s,%s,%p): no interface found.\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 152     return CLASS_E_CLASSNOTAVAILABLE;
 153 }