VirtualBox

source: vbox/trunk/src/VBox/Main/include/VirtualBoxImpl.h@ 32356

Last change on this file since 32356 was 31814, checked in by vboxsync, 14 years ago

Main: cleanup medium objects from media registry when machine object is uninitialized (fixes totally misleading error reports when machine XML cannot be loaded because the actually relevant error gets overwritten)
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 11.6 KB
Line 
1/* $Id: VirtualBoxImpl.h 31814 2010-08-20 12:38:56Z vboxsync $ */
2
3/** @file
4 *
5 * VirtualBox COM class implementation
6 */
7
8/*
9 * Copyright (C) 2006-2010 Oracle Corporation
10 *
11 * This file is part of VirtualBox Open Source Edition (OSE), as
12 * available from http://www.virtualbox.org. This file is free software;
13 * you can redistribute it and/or modify it under the terms of the GNU
14 * General Public License (GPL) as published by the Free Software
15 * Foundation, in version 2 as it comes in the "COPYING" file of the
16 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
17 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
18 */
19
20#ifndef ____H_VIRTUALBOXIMPL
21#define ____H_VIRTUALBOXIMPL
22
23#include "VirtualBoxBase.h"
24
25#ifdef RT_OS_WINDOWS
26# include "win/resource.h"
27#endif
28
29namespace com
30{
31 class Event;
32 class EventQueue;
33}
34
35class SessionMachine;
36class GuestOSType;
37class SharedFolder;
38class Progress;
39class Host;
40class SystemProperties;
41class DHCPServer;
42class PerformanceCollector;
43class VirtualBoxCallbackRegistration; /* see VirtualBoxImpl.cpp */
44
45typedef std::list< ComObjPtr<SessionMachine> > SessionMachinesList;
46
47#ifdef RT_OS_WINDOWS
48class SVCHlpClient;
49#endif
50
51struct VMClientWatcherData;
52
53namespace settings
54{
55 class MainConfigFile;
56 struct MediaRegistry;
57}
58
59class ATL_NO_VTABLE VirtualBox :
60 public VirtualBoxBase,
61 VBOX_SCRIPTABLE_IMPL(IVirtualBox)
62#ifdef RT_OS_WINDOWS
63 , public CComCoClass<VirtualBox, &CLSID_VirtualBox>
64#endif
65{
66
67public:
68
69 typedef std::list< ComPtr<IInternalSessionControl> > InternalControlList;
70
71 class CallbackEvent;
72 friend class CallbackEvent;
73
74 VIRTUALBOXBASE_ADD_ERRORINFO_SUPPORT(VirtualBox, IVirtualBox)
75
76 DECLARE_CLASSFACTORY_SINGLETON(VirtualBox)
77
78 DECLARE_REGISTRY_RESOURCEID(IDR_VIRTUALBOX)
79 DECLARE_NOT_AGGREGATABLE(VirtualBox)
80
81 DECLARE_PROTECT_FINAL_CONSTRUCT()
82
83 BEGIN_COM_MAP(VirtualBox)
84 COM_INTERFACE_ENTRY2(IDispatch, IVirtualBox)
85 COM_INTERFACE_ENTRY(ISupportErrorInfo)
86 COM_INTERFACE_ENTRY(IVirtualBox)
87 END_COM_MAP()
88
89 // to postpone generation of the default ctor/dtor
90 VirtualBox();
91 ~VirtualBox();
92
93 HRESULT FinalConstruct();
94 void FinalRelease();
95
96 /* public initializer/uninitializer for internal purposes only */
97 HRESULT init();
98 HRESULT initMachines();
99 HRESULT initMedia(const Guid &uuidMachineRegistry,
100 const settings::MediaRegistry mediaRegistry);
101 void uninit();
102
103 /* IVirtualBox properties */
104 STDMETHOD(COMGETTER(Version)) (BSTR *aVersion);
105 STDMETHOD(COMGETTER(Revision)) (ULONG *aRevision);
106 STDMETHOD(COMGETTER(PackageType)) (BSTR *aPackageType);
107 STDMETHOD(COMGETTER(HomeFolder)) (BSTR *aHomeFolder);
108 STDMETHOD(COMGETTER(SettingsFilePath)) (BSTR *aSettingsFilePath);
109 STDMETHOD(COMGETTER(Host)) (IHost **aHost);
110 STDMETHOD(COMGETTER(SystemProperties)) (ISystemProperties **aSystemProperties);
111 STDMETHOD(COMGETTER(Machines)) (ComSafeArrayOut(IMachine *, aMachines));
112 STDMETHOD(COMGETTER(HardDisks)) (ComSafeArrayOut(IMedium *, aHardDisks));
113 STDMETHOD(COMGETTER(DVDImages)) (ComSafeArrayOut(IMedium *, aDVDImages));
114 STDMETHOD(COMGETTER(FloppyImages)) (ComSafeArrayOut(IMedium *, aFloppyImages));
115 STDMETHOD(COMGETTER(ProgressOperations)) (ComSafeArrayOut(IProgress *, aOperations));
116 STDMETHOD(COMGETTER(GuestOSTypes)) (ComSafeArrayOut(IGuestOSType *, aGuestOSTypes));
117 STDMETHOD(COMGETTER(SharedFolders)) (ComSafeArrayOut(ISharedFolder *, aSharedFolders));
118 STDMETHOD(COMGETTER(PerformanceCollector)) (IPerformanceCollector **aPerformanceCollector);
119 STDMETHOD(COMGETTER(DHCPServers)) (ComSafeArrayOut(IDHCPServer *, aDHCPServers));
120 STDMETHOD(COMGETTER(EventSource)) (IEventSource ** aEventSource);
121
122 /* IVirtualBox methods */
123 STDMETHOD(CreateMachine) (IN_BSTR aName, IN_BSTR aOsTypeId, IN_BSTR aBaseFolder,
124 IN_BSTR aId, BOOL aOverride, IMachine **aMachine);
125 STDMETHOD(OpenMachine) (IN_BSTR aSettingsFile, IMachine **aMachine);
126 STDMETHOD(RegisterMachine) (IMachine *aMachine);
127 STDMETHOD(GetMachine) (IN_BSTR aId, IMachine **aMachine);
128 STDMETHOD(FindMachine) (IN_BSTR aName, IMachine **aMachine);
129 STDMETHOD(CreateAppliance) (IAppliance **anAppliance);
130
131 STDMETHOD(CreateHardDisk)(IN_BSTR aFormat,
132 IN_BSTR aLocation,
133 IMedium **aHardDisk);
134 STDMETHOD(OpenMedium)(IN_BSTR aLocation,
135 DeviceType_T deviceType,
136 AccessMode_T accessMode,
137 IMedium **aMedium);
138 STDMETHOD(FindMedium)(IN_BSTR aLocation,
139 DeviceType_T deviceType,
140 IMedium **aMedium);
141
142 STDMETHOD(GetGuestOSType) (IN_BSTR aId, IGuestOSType **aType);
143 STDMETHOD(CreateSharedFolder) (IN_BSTR aName, IN_BSTR aHostPath, BOOL aWritable, BOOL aAutoMount);
144 STDMETHOD(RemoveSharedFolder) (IN_BSTR aName);
145 STDMETHOD(GetExtraDataKeys) (ComSafeArrayOut(BSTR, aKeys));
146 STDMETHOD(GetExtraData) (IN_BSTR aKey, BSTR *aValue);
147 STDMETHOD(SetExtraData) (IN_BSTR aKey, IN_BSTR aValue);
148
149 STDMETHOD(WaitForPropertyChange) (IN_BSTR aWhat, ULONG aTimeout,
150 BSTR *aChanged, BSTR *aValues);
151
152 STDMETHOD(CreateDHCPServer) (IN_BSTR aName, IDHCPServer ** aServer);
153 STDMETHOD(FindDHCPServerByNetworkName) (IN_BSTR aName, IDHCPServer ** aServer);
154 STDMETHOD(RemoveDHCPServer) (IDHCPServer * aServer);
155 STDMETHOD(CheckFirmwarePresent)(FirmwareType_T aFirmwareType, IN_BSTR aVersion,
156 BSTR * aUrl, BSTR * aFile, BOOL * aResult);
157
158 /* public methods only for internal purposes */
159
160 /**
161 * Override of the default locking class to be used for validating lock
162 * order with the standard member lock handle.
163 */
164 virtual VBoxLockingClass getLockingClass() const
165 {
166 return LOCKCLASS_VIRTUALBOXOBJECT;
167 }
168
169#ifdef DEBUG
170 void dumpAllBackRefs();
171#endif
172
173 HRESULT postEvent(Event *event);
174
175 HRESULT addProgress(IProgress *aProgress);
176 HRESULT removeProgress(IN_GUID aId);
177
178#ifdef RT_OS_WINDOWS
179 typedef DECLCALLBACKPTR (HRESULT, SVCHelperClientFunc)
180 (SVCHlpClient *aClient, Progress *aProgress, void *aUser, int *aVrc);
181 HRESULT startSVCHelperClient(bool aPrivileged,
182 SVCHelperClientFunc aFunc,
183 void *aUser, Progress *aProgress);
184#endif
185
186 void addProcessToReap (RTPROCESS pid);
187 void updateClientWatcher();
188
189 void onMachineStateChange(const Guid &aId, MachineState_T aState);
190 void onMachineDataChange(const Guid &aId);
191 BOOL onExtraDataCanChange(const Guid &aId, IN_BSTR aKey, IN_BSTR aValue,
192 Bstr &aError);
193 void onExtraDataChange(const Guid &aId, IN_BSTR aKey, IN_BSTR aValue);
194 void onMachineRegistered(const Guid &aId, BOOL aRegistered);
195 void onSessionStateChange(const Guid &aId, SessionState_T aState);
196
197 void onSnapshotTaken(const Guid &aMachineId, const Guid &aSnapshotId);
198 void onSnapshotDeleted(const Guid &aMachineId, const Guid &aSnapshotId);
199 void onSnapshotChange(const Guid &aMachineId, const Guid &aSnapshotId);
200 void onGuestPropertyChange(const Guid &aMachineId, IN_BSTR aName, IN_BSTR aValue,
201 IN_BSTR aFlags);
202 void onMachineUninit(Machine *aMachine);
203
204 ComObjPtr<GuestOSType> getUnknownOSType();
205
206 void getOpenedMachines(SessionMachinesList &aMachines,
207 InternalControlList *aControls = NULL);
208
209 HRESULT findMachine(const Guid &aId,
210 bool fPermitInaccessible,
211 bool aSetError,
212 ComObjPtr<Machine> *machine = NULL);
213
214 HRESULT findHardDisk(const Guid *aId,
215 const Utf8Str &strLocation,
216 bool aSetError,
217 ComObjPtr<Medium> *aHardDisk = NULL);
218 HRESULT findDVDOrFloppyImage(DeviceType_T mediumType,
219 const Guid *aId,
220 const Utf8Str &aLocation,
221 bool aSetError,
222 ComObjPtr<Medium> *aImage = NULL);
223 HRESULT findRemoveableMedium(DeviceType_T mediumType,
224 const Guid &uuid,
225 bool fRefresh,
226 ComObjPtr<Medium> &pMedium);
227
228 HRESULT findGuestOSType(const Bstr &bstrOSType,
229 GuestOSType*& pGuestOSType);
230
231 const Guid& getGlobalRegistryId() const;
232
233 const ComObjPtr<Host>& host() const;
234 SystemProperties* getSystemProperties() const;
235#ifdef VBOX_WITH_RESOURCE_USAGE_API
236 const ComObjPtr<PerformanceCollector>& performanceCollector() const;
237#endif /* VBOX_WITH_RESOURCE_USAGE_API */
238
239 void getDefaultMachineFolder(Utf8Str &str) const;
240 void getDefaultHardDiskFolder(Utf8Str &str) const;
241 void getDefaultHardDiskFormat(Utf8Str &str) const;
242
243 /** Returns the VirtualBox home directory */
244 const Utf8Str& homeDir() const;
245
246 int calculateFullPath(const Utf8Str &strPath, Utf8Str &aResult);
247 void copyPathRelativeToConfig(const Utf8Str &strSource, Utf8Str &strTarget);
248
249 HRESULT registerHardDisk(Medium *aHardDisk, bool *pfNeedsGlobalSaveSettings);
250 HRESULT unregisterHardDisk(Medium *aHardDisk, bool *pfNeedsGlobalSaveSettings);
251
252 HRESULT registerImage(Medium *aImage, DeviceType_T argType, bool *pfNeedsGlobalSaveSettings);
253 HRESULT unregisterImage(Medium *aImage, DeviceType_T argType, bool *pfNeedsGlobalSaveSettings);
254
255 void pushMediumToListWithChildren(MediaList &llMedia, Medium *pMedium);
256 HRESULT unregisterMachineMedia(const Guid &id);
257
258 HRESULT unregisterMachine(Machine *pMachine, const Guid &id);
259
260 void rememberMachineNameChangeForMedia(const Utf8Str &strOldConfigDir,
261 const Utf8Str &strNewConfigDir);
262
263 void saveMediaRegistry(settings::MediaRegistry &mediaRegistry,
264 const Guid &uuidRegistry);
265 HRESULT saveSettings();
266
267 static HRESULT ensureFilePathExists(const Utf8Str &strFileName);
268
269 static HRESULT handleUnexpectedExceptions (RT_SRC_POS_DECL);
270
271 const Utf8Str& settingsFilePath();
272
273 RWLockHandle& getMediaTreeLockHandle();
274
275private:
276
277 static HRESULT setErrorStatic(HRESULT aResultCode,
278 const Utf8Str &aText)
279 {
280 return setErrorInternal(aResultCode, getStaticClassIID(), getStaticComponentName(), aText, false, true);
281 }
282
283 Utf8Str getRegistryPath(Medium *pMedium);
284
285 HRESULT checkMediaForConflicts2(const Guid &aId, const Utf8Str &aLocation,
286 Utf8Str &aConflictType);
287
288 HRESULT registerMachine(Machine *aMachine);
289
290 HRESULT registerDHCPServer(DHCPServer *aDHCPServer,
291 bool aSaveRegistry = true);
292 HRESULT unregisterDHCPServer(DHCPServer *aDHCPServer,
293 bool aSaveRegistry = true);
294
295 struct Data; // opaque data structure, defined in VirtualBoxImpl.cpp
296 Data *m;
297
298 /* static variables (defined in VirtualBoxImpl.cpp) */
299 static Bstr sVersion;
300 static ULONG sRevision;
301 static Bstr sPackageType;
302
303 static DECLCALLBACK(int) ClientWatcher (RTTHREAD thread, void *pvUser);
304 static DECLCALLBACK(int) AsyncEventHandler (RTTHREAD thread, void *pvUser);
305
306#ifdef RT_OS_WINDOWS
307 static DECLCALLBACK(int) SVCHelperClientThread (RTTHREAD aThread, void *aUser);
308#endif
309};
310
311////////////////////////////////////////////////////////////////////////////////
312
313#endif // !____H_VIRTUALBOXIMPL
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