VirtualBox

source: vbox/trunk/src/VBox/Main/include/VirtualBoxImpl.h@ 2106

Last change on this file since 2106 was 2029, checked in by vboxsync, 18 years ago

Main: Added IVirtualBox::findHardDisk().
VBoxSDL: Fixed so that .vmdk images can be passed using the -hda switch.
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 15.0 KB
Line 
1/** @file
2 *
3 * VirtualBox COM class implementation
4 */
5
6/*
7 * Copyright (C) 2006 InnoTek Systemberatung GmbH
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License as published by the Free Software Foundation,
13 * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
14 * distribution. VirtualBox OSE is distributed in the hope that it will
15 * be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * If you received this file as part of a commercial VirtualBox
18 * distribution, then only the terms of your commercial VirtualBox
19 * license agreement apply instead of the previous paragraph.
20 */
21
22#ifndef ____H_VIRTUALBOXIMPL
23#define ____H_VIRTUALBOXIMPL
24
25#include "VirtualBoxBase.h"
26#include "VirtualBoxXMLUtil.h"
27
28#include "VBox/com/EventQueue.h"
29
30#include <VBox/cfgldr.h>
31
32#include <list>
33#include <vector>
34#include <map>
35
36#ifdef __WIN__
37#include "win32/resource.h"
38#endif
39
40class Machine;
41class SessionMachine;
42class HardDisk;
43class HVirtualDiskImage;
44class DVDImage;
45class FloppyImage;
46class MachineCollection;
47class HardDiskCollection;
48class DVDImageCollection;
49class FloppyImageCollection;
50class GuestOSType;
51class GuestOSTypeCollection;
52class SharedFolder;
53class Progress;
54class ProgressCollection;
55class Host;
56class SystemProperties;
57
58#ifdef __WIN__
59class SVCHlpClient;
60#endif
61
62struct VMClientWatcherData;
63
64class ATL_NO_VTABLE VirtualBox :
65 public VirtualBoxBaseWithChildrenNEXT,
66 public VirtualBoxXMLUtil,
67 public VirtualBoxSupportErrorInfoImpl <VirtualBox, IVirtualBox>,
68 public VirtualBoxSupportTranslation <VirtualBox>,
69#ifdef __WIN__
70 public IDispatchImpl<IVirtualBox, &IID_IVirtualBox, &LIBID_VirtualBox,
71 kTypeLibraryMajorVersion, kTypeLibraryMinorVersion>,
72 public CComCoClass<VirtualBox, &CLSID_VirtualBox>
73#else
74 public IVirtualBox
75#endif
76{
77
78public:
79
80 VIRTUALBOXBASE_ADD_ERRORINFO_SUPPORT (VirtualBox)
81
82 typedef std::list <ComPtr <IVirtualBoxCallback> > CallbackList;
83 typedef std::vector <ComPtr <IVirtualBoxCallback> > CallbackVector;
84
85 class CallbackEvent;
86 friend class CallbackEvent;
87
88 DECLARE_CLASSFACTORY_SINGLETON(VirtualBox)
89
90 DECLARE_REGISTRY_RESOURCEID(IDR_VIRTUALBOX)
91 DECLARE_NOT_AGGREGATABLE(VirtualBox)
92
93 DECLARE_PROTECT_FINAL_CONSTRUCT()
94
95 BEGIN_COM_MAP(VirtualBox)
96 COM_INTERFACE_ENTRY(IDispatch)
97 COM_INTERFACE_ENTRY(ISupportErrorInfo)
98 COM_INTERFACE_ENTRY(IVirtualBox)
99 END_COM_MAP()
100
101 NS_DECL_ISUPPORTS
102
103 /* to postpone generation of the default ctor/dtor */
104 VirtualBox();
105 ~VirtualBox();
106
107 HRESULT FinalConstruct();
108 void FinalRelease();
109
110 /* public initializer/uninitializer for internal purposes only */
111 HRESULT init();
112 void uninit();
113
114 /* IVirtualBox properties */
115 STDMETHOD(COMGETTER(Version)) (BSTR *aVersion);
116 STDMETHOD(COMGETTER(HomeFolder)) (BSTR *aHomeFolder);
117 STDMETHOD(COMGETTER(Host)) (IHost **aHost);
118 STDMETHOD(COMGETTER(SystemProperties)) (ISystemProperties **aSystemProperties);
119 STDMETHOD(COMGETTER(Machines)) (IMachineCollection **aMachines);
120 STDMETHOD(COMGETTER(HardDisks)) (IHardDiskCollection **aHardDisks);
121 STDMETHOD(COMGETTER(DVDImages)) (IDVDImageCollection **aDVDImages);
122 STDMETHOD(COMGETTER(FloppyImages)) (IFloppyImageCollection **aFloppyImages);
123 STDMETHOD(COMGETTER(ProgressOperations)) (IProgressCollection **aOperations);
124 STDMETHOD(COMGETTER(GuestOSTypes)) (IGuestOSTypeCollection **aGuestOSTypes);
125 STDMETHOD(COMGETTER(SharedFolders)) (ISharedFolderCollection **aSharedFolders);
126
127 /* IVirtualBox methods */
128
129 STDMETHOD(CreateMachine) (INPTR BSTR aBaseFolder, INPTR BSTR aName,
130 IMachine **aMachine);
131 STDMETHOD(CreateLegacyMachine) (INPTR BSTR aSettingsFile, INPTR BSTR aName,
132 IMachine **aMachine);
133 STDMETHOD(OpenMachine) (INPTR BSTR aSettingsFile, IMachine **aMachine);
134 STDMETHOD(RegisterMachine) (IMachine *aMachine);
135 STDMETHOD(GetMachine) (INPTR GUIDPARAM aId, IMachine **aMachine);
136 STDMETHOD(FindMachine) (INPTR BSTR aName, IMachine **aMachine);
137 STDMETHOD(UnregisterMachine) (INPTR GUIDPARAM aId, IMachine **aMachine);
138
139 STDMETHOD(CreateHardDisk) (HardDiskStorageType_T aStorageType, IHardDisk **aHardDisk);
140 STDMETHOD(OpenHardDisk) (INPTR BSTR aLocation, IHardDisk **aHardDisk);
141 STDMETHOD(OpenVirtualDiskImage) (INPTR BSTR aFilePath, IVirtualDiskImage **aImage);
142 STDMETHOD(RegisterHardDisk) (IHardDisk *aHardDisk);
143 STDMETHOD(GetHardDisk) (INPTR GUIDPARAM aId, IHardDisk **aHardDisk);
144 STDMETHOD(FindHardDisk) (INPTR BSTR aLocation, IHardDisk **aHardDisk);
145 STDMETHOD(FindVirtualDiskImage) (INPTR BSTR aFilePath, IVirtualDiskImage **aImage);
146 STDMETHOD(UnregisterHardDisk) (INPTR GUIDPARAM aId, IHardDisk **aHardDisk);
147
148 STDMETHOD(OpenDVDImage) (INPTR BSTR aFilePath, INPTR GUIDPARAM aId,
149 IDVDImage **aDVDImage);
150 STDMETHOD(RegisterDVDImage) (IDVDImage *aDVDImage);
151 STDMETHOD(GetDVDImage) (INPTR GUIDPARAM aId, IDVDImage **aDVDImage);
152 STDMETHOD(FindDVDImage) (INPTR BSTR aFilePath, IDVDImage **aDVDImage);
153 STDMETHOD(GetDVDImageUsage) (INPTR GUIDPARAM aId,
154 ResourceUsage_T aUsage,
155 BSTR *aMachineIDs);
156 STDMETHOD(UnregisterDVDImage) (INPTR GUIDPARAM aId, IDVDImage **aDVDImage);
157
158 STDMETHOD(OpenFloppyImage) (INPTR BSTR aFilePath, INPTR GUIDPARAM aId,
159 IFloppyImage **aFloppyImage);
160 STDMETHOD(RegisterFloppyImage) (IFloppyImage *aFloppyImage);
161 STDMETHOD(GetFloppyImage) (INPTR GUIDPARAM id, IFloppyImage **aFloppyImage);
162 STDMETHOD(FindFloppyImage) (INPTR BSTR aFilePath, IFloppyImage **aFloppyImage);
163 STDMETHOD(GetFloppyImageUsage) (INPTR GUIDPARAM aId,
164 ResourceUsage_T aUsage,
165 BSTR *aMachineIDs);
166 STDMETHOD(UnregisterFloppyImage) (INPTR GUIDPARAM aId, IFloppyImage **aFloppyImage);
167
168 STDMETHOD(FindGuestOSType)(INPTR BSTR aId, IGuestOSType **aType);
169 STDMETHOD(CreateSharedFolder)(INPTR BSTR aName, INPTR BSTR aHostPath);
170 STDMETHOD(RemoveSharedFolder)(INPTR BSTR aName);
171 STDMETHOD(GetNextExtraDataKey)(INPTR BSTR aKey, BSTR *aNextKey, BSTR *aNextValue);
172 STDMETHOD(GetExtraData)(INPTR BSTR aKey, BSTR *aValue);
173 STDMETHOD(SetExtraData)(INPTR BSTR aKey, INPTR BSTR aValue);
174 STDMETHOD(OpenSession) (ISession *aSession, INPTR GUIDPARAM aMachineId);
175 STDMETHOD(OpenRemoteSession) (ISession *aSession, INPTR GUIDPARAM aMachineId,
176 INPTR BSTR aType, IProgress **aProgress);
177 STDMETHOD(OpenExistingSession) (ISession *aSession, INPTR GUIDPARAM aMachineId);
178 STDMETHOD(RegisterCallback)(IVirtualBoxCallback *callback);
179 STDMETHOD(UnregisterCallback)(IVirtualBoxCallback *callback);
180
181 /* public methods only for internal purposes */
182
183 HRESULT postEvent (Event *event);
184
185 HRESULT addProgress (IProgress *aProgress);
186 HRESULT removeProgress (INPTR GUIDPARAM aId);
187
188#ifdef __WIN__
189 typedef DECLCALLBACKPTR (HRESULT, SVCHelperClientFunc)
190 (SVCHlpClient *aClient, Progress *aProgress, void *aUser, int *aVrc);
191 HRESULT startSVCHelperClient (bool aPrivileged,
192 SVCHelperClientFunc aFunc,
193 void *aUser, Progress *aProgress);
194#endif
195
196 void addProcessToReap (RTPROCESS pid);
197 void updateClientWatcher();
198
199 void onMachineStateChange (const Guid &id, MachineState_T state);
200 void onMachineDataChange (const Guid &id);
201 BOOL onExtraDataCanChange(const Guid &id, INPTR BSTR key, INPTR BSTR value);
202 void onExtraDataChange(const Guid &id, INPTR BSTR key, INPTR BSTR value);
203 void onMachineRegistered (const Guid &aId, BOOL aRegistered);
204 void onSessionStateChange (const Guid &id, SessionState_T state);
205
206 void onSnapshotTaken (const Guid &aMachineId, const Guid &aSnapshotId);
207 void onSnapshotDiscarded (const Guid &aMachineId, const Guid &aSnapshotId);
208 void onSnapshotChange (const Guid &aMachineId, const Guid &aSnapshotId);
209
210 ComPtr <IGuestOSType> getUnknownOSType();
211
212 typedef std::vector <ComObjPtr <SessionMachine> > SessionMachineVector;
213 void getOpenedMachines (SessionMachineVector &aVector);
214
215 bool isMachineIdValid (const Guid &aId)
216 {
217 return SUCCEEDED (findMachine (aId, false /* aSetError */, NULL));
218 }
219
220 /// @todo (dmik) remove and make findMachine() public instead
221 // after switching to VirtualBoxBaseNEXT
222 HRESULT getMachine (const Guid &aId, ComObjPtr <Machine> &aMachine,
223 bool aSetError = false)
224 {
225 return findMachine (aId, aSetError, &aMachine);
226 }
227
228 /// @todo (dmik) remove and make findHardDisk() public instead
229 // after switching to VirtualBoxBaseNEXT
230 HRESULT getHardDisk (const Guid &aId, ComObjPtr <HardDisk> &aHardDisk)
231 {
232 return findHardDisk (&aId, NULL, true /* aDoSetError */, &aHardDisk);
233 }
234
235 BOOL getDVDImageUsage (const Guid &id, ResourceUsage_T usage,
236 Bstr *machineIDs = NULL);
237 BOOL getFloppyImageUsage (const Guid &id, ResourceUsage_T usage,
238 Bstr *machineIDs = NULL);
239
240 const ComObjPtr <Host> &host() { return mData.mHost; }
241 const ComObjPtr <SystemProperties> &systemProperties() { return mData.mSystemProperties; }
242
243 /** Returns the VirtualBox home directory */
244 const Utf8Str &homeDir() { return mData.mHomeDir; }
245
246 void calculateRelativePath (const char *aPath, Utf8Str &aResult);
247
248 enum RHD_Flags { RHD_Internal, RHD_External, RHD_OnStartUp };
249 HRESULT registerHardDisk (HardDisk *aHardDisk, RHD_Flags aFlags);
250 HRESULT unregisterHardDisk (HardDisk *aHardDisk);
251 HRESULT unregisterDiffHardDisk (HardDisk *aHardDisk);
252
253 HRESULT saveSettings() { return saveConfig(); }
254 HRESULT updateSettings (const char *aOldPath, const char *aNewPath);
255
256 const Bstr &settingsFileName() { return mData.mCfgFile.mName; }
257
258 /* for VirtualBoxSupportErrorInfoImpl */
259 static const wchar_t *getComponentName() { return L"VirtualBox"; }
260
261private:
262
263 typedef std::list <ComObjPtr <Machine> > MachineList;
264 typedef std::list <ComObjPtr <GuestOSType> > GuestOSTypeList;
265 typedef std::list <ComPtr <IProgress> > ProgressList;
266
267 typedef std::list <ComObjPtr <HardDisk> > HardDiskList;
268 typedef std::list <ComObjPtr <DVDImage> > DVDImageList;
269 typedef std::list <ComObjPtr <FloppyImage> > FloppyImageList;
270 typedef std::list <ComObjPtr <SharedFolder> > SharedFolderList;
271
272 typedef std::map <Guid, ComObjPtr <HardDisk> > HardDiskMap;
273
274 HRESULT findMachine (const Guid &aId, bool aSetError,
275 ComObjPtr <Machine> *machine = NULL);
276
277 HRESULT findHardDisk (const Guid *aId, const BSTR aLocation,
278 bool aSetError, ComObjPtr <HardDisk> *aHardDisk = NULL);
279
280 HRESULT findVirtualDiskImage (const Guid *aId, const BSTR aFilePathFull,
281 bool aSetError, ComObjPtr <HVirtualDiskImage> *aImage = NULL);
282 HRESULT findDVDImage (const Guid *aId, const BSTR aFilePathFull,
283 bool aSetError, ComObjPtr <DVDImage> *aImage = NULL);
284 HRESULT findFloppyImage (const Guid *aId, const BSTR aFilePathFull,
285 bool aSetError, ComObjPtr <FloppyImage> *aImage = NULL);
286
287 HRESULT checkMediaForConflicts (HardDisk *aHardDisk,
288 const Guid *aId, const BSTR aFilePathFull);
289
290 HRESULT loadMachines (CFGNODE aGlobal);
291 HRESULT loadDisks (CFGNODE aGlobal);
292 HRESULT loadHardDisks (CFGNODE aNode);
293
294 HRESULT saveConfig();
295 HRESULT saveHardDisks (CFGNODE aNode);
296
297 HRESULT registerMachine (Machine *aMachine);
298
299 HRESULT registerDVDImage (DVDImage *aImage, bool aOnStartUp);
300 HRESULT registerFloppyImage (FloppyImage *aImage, bool aOnStartUp);
301 HRESULT registerGuestOSTypes();
302
303 HRESULT lockConfig();
304 HRESULT unlockConfig();
305
306 /** @note This method is not thread safe */
307 bool isConfigLocked() { return mData.mCfgFile.mHandle != NIL_RTFILE; }
308
309 /**
310 * Main VirtualBox data structure.
311 * @note |const| members are persistent during lifetime so can be accessed
312 * without locking.
313 */
314 struct Data
315 {
316 Data();
317
318 struct CfgFile
319 {
320 CfgFile() : mHandle (NIL_RTFILE) {}
321
322 const Bstr mName;
323 RTFILE mHandle;
324 };
325
326 // const data members not requiring locking
327 const Utf8Str mHomeDir;
328
329 // const objects not requiring locking
330 const ComObjPtr <Host> mHost;
331 const ComObjPtr <SystemProperties> mSystemProperties;
332
333 CfgFile mCfgFile;
334
335 MachineList mMachines;
336 GuestOSTypeList mGuestOSTypes;
337
338 ProgressList mProgressOperations;
339 HardDiskList mHardDisks;
340 DVDImageList mDVDImages;
341 FloppyImageList mFloppyImages;
342 SharedFolderList mSharedFolders;
343
344 HardDiskMap mHardDiskMap;
345
346 CallbackList mCallbacks;
347 };
348
349 Data mData;
350
351 /** Client watcher thread data structure */
352 struct ClientWatcherData
353 {
354 ClientWatcherData()
355#if defined(__WIN__)
356 : mUpdateReq (NULL)
357#else
358 : mUpdateReq (NIL_RTSEMEVENT)
359#endif
360 , mThread (NIL_RTTHREAD) {}
361
362 // const objects not requiring locking
363#if defined(__WIN__)
364 const HANDLE mUpdateReq;
365#else
366 const RTSEMEVENT mUpdateReq;
367#endif
368 const RTTHREAD mThread;
369
370 typedef std::list <RTPROCESS> ProcessList;
371 ProcessList mProcesses;
372 };
373
374 ClientWatcherData mWatcherData;
375
376 const RTTHREAD mAsyncEventThread;
377 EventQueue * const mAsyncEventQ;
378 /** Lock for calling EventQueue->post() */
379 AutoLock::Handle mAsyncEventQLock;
380
381 static Bstr sVersion;
382
383 static DECLCALLBACK(int) clientWatcher (RTTHREAD thread, void *pvUser);
384 static DECLCALLBACK(int) asyncEventHandler (RTTHREAD thread, void *pvUser);
385
386#ifdef __WIN__
387 static DECLCALLBACK(int) SVCHelperClientThread (RTTHREAD aThread, void *aUser);
388#endif
389};
390
391////////////////////////////////////////////////////////////////////////////////
392
393/**
394 * Abstract callback event class to asynchronously call VirtualBox callbacks
395 * on a dedicated event thread. Subclasses reimplement #handleCallback()
396 * to call appropriate IVirtualBoxCallback methods depending on the event
397 * to be dispatched.
398 *
399 * @note The VirtualBox instance passed to the constructor is strongly
400 * referenced, so that the VirtualBox singleton won't be released until the
401 * event gets handled by the event thread.
402 */
403class VirtualBox::CallbackEvent : public Event
404{
405public:
406
407 CallbackEvent (VirtualBox *aVirtualBox) : mVirtualBox (aVirtualBox)
408 {
409 Assert (aVirtualBox);
410 }
411
412 void *handler();
413
414 virtual void handleCallback (const ComPtr <IVirtualBoxCallback> &aCallback) = 0;
415
416private:
417
418 /*
419 * Note that this is a weak ref -- the CallbackEvent handler thread
420 * is bound to the lifetime of the VirtualBox instance, so it's safe.
421 */
422 ComObjPtr <VirtualBox, ComWeakRef> mVirtualBox;
423};
424
425#endif // ____H_VIRTUALBOXIMPL
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