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| 1 // Copyright 2009-2010 Google Inc. | |
| 2 // | |
| 3 // Licensed under the Apache License, Version 2.0 (the "License"); | |
| 4 // you may not use this file except in compliance with the License. | |
| 5 // You may obtain a copy of the License at | |
| 6 // | |
| 7 // http://www.apache.org/licenses/LICENSE-2.0 | |
| 8 // | |
| 9 // Unless required by applicable law or agreed to in writing, software | |
| 10 // distributed under the License is distributed on an "AS IS" BASIS, | |
| 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 12 // See the License for the specific language governing permissions and | |
| 13 // limitations under the License. | |
| 14 // ======================================================================== | |
| 15 | |
| 16 #ifndef OMAHA_GOOPDATE_GOOGLE_UPDATE3_H_ | |
| 17 #define OMAHA_GOOPDATE_GOOGLE_UPDATE3_H_ | |
| 18 | |
| 19 #include <atlbase.h> | |
| 20 #include <atlcom.h> | |
| 21 #include <atlstr.h> | |
| 22 #include <vector> | |
| 23 #include "goopdate/omaha3_idl.h" | |
| 24 #include "base/scoped_ptr.h" | |
| 25 #include "omaha/base/atlregmapex.h" | |
| 26 #include "omaha/base/constants.h" | |
| 27 #include "omaha/base/error.h" | |
| 28 #include "omaha/base/exception_barrier.h" | |
| 29 #include "omaha/base/preprocessor_fun.h" | |
| 30 #include "omaha/base/user_rights.h" | |
| 31 #include "omaha/base/utils.h" | |
| 32 #include "omaha/common/goopdate_utils.h" | |
| 33 #include "omaha/goopdate/com_proxy.h" | |
| 34 #include "omaha/goopdate/model.h" | |
| 35 #include "omaha/goopdate/non_localized_resource.h" | |
| 36 #include "omaha/goopdate/worker.h" | |
| 37 #include "third_party/bar/shared_ptr.h" | |
| 38 | |
| 39 namespace omaha { | |
| 40 | |
| 41 // The ATL Singleton Class Factory does not work very well if errors happen in | |
| 42 // CreateInstance(), the server continues running. This is because the module | |
| 43 // count is not incremented or decremented. This class fixes the issue so that | |
| 44 // on error, the server shuts down as expected. | |
| 45 template <class T> | |
| 46 class SingletonClassFactory : public CComClassFactorySingleton<T> { | |
| 47 public: | |
| 48 SingletonClassFactory() {} | |
| 49 virtual ~SingletonClassFactory() {} | |
| 50 | |
| 51 STDMETHOD(CreateInstance)(LPUNKNOWN unk, REFIID iid, void** obj) { | |
| 52 HRESULT hr = CComClassFactorySingleton<T>::CreateInstance(unk, iid, obj); | |
| 53 if (FAILED(hr)) { | |
| 54 CORE_LOG(LE, (_T("[SingletonClassFactory::CreateInstance failed][0x%x]") | |
| 55 _T("[pulsing module count]"), hr)); | |
| 56 LockServer(TRUE); | |
| 57 LockServer(FALSE); | |
| 58 | |
| 59 return hr; | |
| 60 } | |
| 61 | |
| 62 return hr; | |
| 63 } | |
| 64 | |
| 65 private: | |
| 66 DISALLOW_COPY_AND_ASSIGN(SingletonClassFactory); | |
| 67 }; | |
| 68 | |
| 69 template <bool machine, const TCHAR* const progid, const GUID& clsid, | |
| 70 UINT registry_resid, const TCHAR* const hkroot> | |
| 71 struct Update3COMClassMode { | |
| 72 static bool is_machine() { return machine; } | |
| 73 static const TCHAR* const prog_id() { return progid; } | |
| 74 static GUID class_id() { return clsid; } | |
| 75 static UINT registry_res_id() { return registry_resid; } | |
| 76 static const TCHAR* const hk_root() { return hkroot; } | |
| 77 }; | |
| 78 | |
| 79 #pragma warning(push) | |
| 80 // C4640: construction of local static object is not thread-safe | |
| 81 #pragma warning(disable : 4640) | |
| 82 // C4505: unreferenced IUnknown local functions have been removed | |
| 83 #pragma warning(disable : 4505) | |
| 84 | |
| 85 template <typename T> | |
| 86 class ATL_NO_VTABLE Update3COMClass | |
| 87 : public CComObjectRootEx<CComObjectThreadModel>, | |
| 88 public CComCoClass<Update3COMClass<T> >, | |
| 89 public IDispatchImpl<IGoogleUpdate3, | |
| 90 &__uuidof(IGoogleUpdate3), | |
| 91 &CAtlModule::m_libid, | |
| 92 kMajorTypeLibVersion, | |
| 93 kMinorTypeLibVersion>, | |
| 94 public StdMarshalInfo { | |
| 95 public: | |
| 96 typedef Update3COMClass<T> Update3COMClassT; | |
| 97 typedef SingletonClassFactory<Update3COMClassT> SingletonClassFactoryT; | |
| 98 | |
| 99 Update3COMClass() : StdMarshalInfo(T::is_machine()), model_(NULL) {} | |
| 100 virtual ~Update3COMClass() {} | |
| 101 | |
| 102 DECLARE_CLASSFACTORY_EX(SingletonClassFactoryT) | |
| 103 DECLARE_NOT_AGGREGATABLE(Update3COMClassT) | |
| 104 DECLARE_PROTECT_FINAL_CONSTRUCT() | |
| 105 | |
| 106 DECLARE_REGISTRY_RESOURCEID_EX(T::registry_res_id()) | |
| 107 | |
| 108 BEGIN_REGISTRY_MAP() | |
| 109 REGMAP_ENTRY(_T("HKROOT"), T::hk_root()) | |
| 110 REGMAP_EXE_MODULE(_T("MODULE")) | |
| 111 REGMAP_ENTRY(_T("VERSION"), _T("1.0")) | |
| 112 REGMAP_ENTRY(_T("PROGID"), T::prog_id()) | |
| 113 REGMAP_ENTRY(_T("DESCRIPTION"), _T("Update3COMClass")) | |
| 114 REGMAP_UUID(_T("CLSID"), T::class_id()) | |
| 115 END_REGISTRY_MAP() | |
| 116 | |
| 117 BEGIN_COM_MAP(Update3COMClassT) | |
| 118 COM_INTERFACE_ENTRY(IGoogleUpdate3) | |
| 119 COM_INTERFACE_ENTRY(IDispatch) | |
| 120 COM_INTERFACE_ENTRY(IStdMarshalInfo) | |
| 121 END_COM_MAP() | |
| 122 | |
| 123 STDMETHODIMP get_Count(long* count) { // NOLINT | |
| 124 ASSERT1(count); | |
| 125 ExceptionBarrier barrier; | |
| 126 | |
| 127 __mutexScope(model()->lock()); | |
| 128 *count = model()->GetNumberOfAppBundles(); | |
| 129 | |
| 130 return S_OK; | |
| 131 } | |
| 132 | |
| 133 STDMETHODIMP get_Item(long index, IDispatch** app_bundle_wrapper) { // NOLINT | |
| 134 ASSERT1(app_bundle_wrapper); | |
| 135 ExceptionBarrier barrier; | |
| 136 | |
| 137 if (::IsUserAnAdmin() && !UserRights::VerifyCallerIsAdmin()) { | |
| 138 CORE_LOG(LE, (_T("[User is not an admin]"))); | |
| 139 return E_ACCESSDENIED; | |
| 140 } | |
| 141 | |
| 142 __mutexScope(model()->lock()); | |
| 143 | |
| 144 const size_t num_app_bundles(model()->GetNumberOfAppBundles()); | |
| 145 if (index < 0 || static_cast<size_t>(index) >= num_app_bundles) { | |
| 146 return HRESULT_FROM_WIN32(ERROR_INVALID_INDEX); | |
| 147 } | |
| 148 shared_ptr<AppBundle> app_bundle(model()->GetAppBundle(index)); | |
| 149 return AppBundleWrapper::Create(app_bundle->controlling_ptr(), | |
| 150 app_bundle.get(), | |
| 151 app_bundle_wrapper); | |
| 152 } | |
| 153 | |
| 154 // Creates an AppBundle object and its corresponding COM wrapper. | |
| 155 STDMETHODIMP createAppBundle(IDispatch** app_bundle_wrapper) { | |
| 156 ASSERT1(app_bundle_wrapper); | |
| 157 ExceptionBarrier barrier; | |
| 158 | |
| 159 __mutexScope(model()->lock()); | |
| 160 | |
| 161 shared_ptr<AppBundle> app_bundle(model()->CreateAppBundle(T::is_machine())); | |
| 162 return AppBundleWrapper::Create(app_bundle->controlling_ptr(), | |
| 163 app_bundle.get(), | |
| 164 app_bundle_wrapper); | |
| 165 } | |
| 166 | |
| 167 HRESULT FinalConstruct() { | |
| 168 CORE_LOG(L2, (_T("[Update3COMClass::FinalConstruct]"))); | |
| 169 | |
| 170 HRESULT hr = InitializeWorker(); | |
| 171 if (FAILED(hr)) { | |
| 172 CORE_LOG(LE, (_T("[InitializeWorker failed][0x%x]"), hr)); | |
| 173 return hr; | |
| 174 } | |
| 175 | |
| 176 omaha::interlocked_exchange_pointer(&model_, Worker::Instance().model()); | |
| 177 ASSERT1(model()); | |
| 178 | |
| 179 return S_OK; | |
| 180 } | |
| 181 | |
| 182 void FinalRelease() { | |
| 183 CORE_LOG(L2, (_T("[Update3COMClass::FinalRelease]"))); | |
| 184 } | |
| 185 | |
| 186 private: | |
| 187 static HRESULT InitializeWorker() { | |
| 188 static LLock lock; | |
| 189 static bool is_initialized = false; | |
| 190 | |
| 191 __mutexScope(lock); | |
| 192 | |
| 193 if (is_initialized) { | |
| 194 return S_OK; | |
| 195 } | |
| 196 | |
| 197 CORE_LOG(L2, (_T("[InitializeWorker][%d]"), T::is_machine())); | |
| 198 | |
| 199 HRESULT hr = Worker::Instance().Initialize(T::is_machine()); | |
| 200 if (FAILED(hr)) { | |
| 201 return hr; | |
| 202 } | |
| 203 | |
| 204 is_initialized = true; | |
| 205 return S_OK; | |
| 206 } | |
| 207 | |
| 208 Model* model() { | |
| 209 return omaha::interlocked_exchange_pointer(&model_, model_); | |
| 210 } | |
| 211 | |
| 212 // C++ root of the object model. Not owned by this instance. | |
| 213 mutable Model* volatile model_; | |
| 214 | |
| 215 DISALLOW_COPY_AND_ASSIGN(Update3COMClass); | |
| 216 }; | |
| 217 | |
| 218 #pragma warning(pop) | |
| 219 | |
| 220 extern TCHAR kHKRootUser[]; | |
| 221 extern TCHAR kHKRootMachine[]; | |
| 222 extern TCHAR kHKRootService[]; | |
| 223 extern TCHAR kProgIDUpdate3COMClassUserLocal[]; | |
| 224 extern TCHAR kProgIDUpdate3COMClassMachineLocal[]; | |
| 225 extern TCHAR kProgIDUpdate3COMClassServiceLocal[]; | |
| 226 | |
| 227 typedef Update3COMClassMode<false, | |
| 228 kProgIDUpdate3COMClassUserLocal, | |
| 229 __uuidof(GoogleUpdate3UserClass), | |
| 230 IDR_LOCAL_SERVER_RGS, | |
| 231 kHKRootUser> Update3COMClassModeUser; | |
| 232 | |
| 233 typedef Update3COMClassMode<true, | |
| 234 kProgIDUpdate3COMClassServiceLocal, | |
| 235 __uuidof(GoogleUpdate3ServiceClass), | |
| 236 IDR_LOCAL_SERVICE_RGS, | |
| 237 kHKRootService> Update3COMClassModeService; | |
| 238 | |
| 239 typedef Update3COMClass<Update3COMClassModeUser> Update3COMClassUser; | |
| 240 typedef Update3COMClass<Update3COMClassModeService> Update3COMClassService; | |
| 241 | |
| 242 } // namespace omaha | |
| 243 | |
| 244 #endif // OMAHA_GOOPDATE_GOOGLE_UPDATE3_H_ | |
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Chromium Code Reviews
Issue 624713003:
Keep only base/extractor.[cc|h]. (Closed)
Base URL: https://chromium.googlesource.com/external/omaha.git@master