VirtualBox

source: vbox/trunk/src/VBox/Main/include/MachineImpl.h@ 13221

Last change on this file since 13221 was 13221, checked in by vboxsync, 16 years ago

Enabled VPID (VT-x tagged TLB); default off

  • Added machine & machine debugger property
  • Added -vtxvpid option to VBoxManage
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 36.8 KB
Line 
1/* $Id: MachineImpl.h 13221 2008-10-13 14:43:54Z vboxsync $ */
2
3/** @file
4 *
5 * VirtualBox COM class declaration
6 */
7
8/*
9 * Copyright (C) 2006-2007 Sun Microsystems, Inc.
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
20 * Clara, CA 95054 USA or visit http://www.sun.com if you need
21 * additional information or have any questions.
22 */
23
24#ifndef ____H_MACHINEIMPL
25#define ____H_MACHINEIMPL
26
27#include "VirtualBoxBase.h"
28#include "ProgressImpl.h"
29#include "SnapshotImpl.h"
30#include "VRDPServerImpl.h"
31#include "DVDDriveImpl.h"
32#include "FloppyDriveImpl.h"
33#include "HardDiskAttachmentImpl.h"
34#include "Collection.h"
35#include "NetworkAdapterImpl.h"
36#include "AudioAdapterImpl.h"
37#include "SerialPortImpl.h"
38#include "ParallelPortImpl.h"
39#include "BIOSSettingsImpl.h"
40#include "SATAControllerImpl.h"
41#ifdef VBOX_WITH_RESOURCE_USAGE_API
42#include "PerformanceImpl.h"
43#endif /* VBOX_WITH_RESOURCE_USAGE_API */
44
45// generated header
46#include "SchemaDefs.h"
47
48#include <VBox/types.h>
49
50#include <iprt/file.h>
51#include <iprt/thread.h>
52#include <iprt/time.h>
53
54#include <list>
55
56// defines
57////////////////////////////////////////////////////////////////////////////////
58
59// helper declarations
60////////////////////////////////////////////////////////////////////////////////
61
62class VirtualBox;
63class Progress;
64class CombinedProgress;
65class Keyboard;
66class Mouse;
67class Display;
68class MachineDebugger;
69class USBController;
70class Snapshot;
71class SharedFolder;
72class HostUSBDevice;
73
74class SessionMachine;
75
76// Machine class
77////////////////////////////////////////////////////////////////////////////////
78
79class ATL_NO_VTABLE Machine :
80 public VirtualBoxBaseWithChildrenNEXT,
81 public VirtualBoxSupportErrorInfoImpl <Machine, IMachine>,
82 public VirtualBoxSupportTranslation <Machine>,
83 public IMachine
84{
85 Q_OBJECT
86
87public:
88
89 /**
90 * Internal machine data.
91 *
92 * Only one instance of this data exists per every machine --
93 * it is shared by the Machine, SessionMachine and all SnapshotMachine
94 * instances associated with the given machine using the util::Shareable
95 * template through the mData variable.
96 *
97 * @note |const| members are persistent during lifetime so can be
98 * accessed without locking.
99 *
100 * @note There is no need to lock anything inside init() or uninit()
101 * methods, because they are always serialized (see AutoCaller).
102 */
103 struct Data
104 {
105 /**
106 * Data structure to hold information about sessions opened for the
107 * given machine.
108 */
109 struct Session
110 {
111 /** Control of the direct session opened by openSession() */
112 ComPtr <IInternalSessionControl> mDirectControl;
113
114 typedef std::list <ComPtr <IInternalSessionControl> > RemoteControlList;
115
116 /** list of controls of all opened remote sessions */
117 RemoteControlList mRemoteControls;
118
119 /** openRemoteSession() and OnSessionEnd() progress indicator */
120 ComObjPtr <Progress> mProgress;
121
122 /**
123 * PID of the session object that must be passed to openSession()
124 * to finalize the openRemoteSession() request
125 * (i.e., PID of the process created by openRemoteSession())
126 */
127 RTPROCESS mPid;
128
129 /** Current session state */
130 SessionState_T mState;
131
132 /** Session type string (for indirect sessions) */
133 Bstr mType;
134
135 /** Sesison machine object */
136 ComObjPtr <SessionMachine> mMachine;
137 };
138
139 Data();
140 ~Data();
141
142 const Guid mUuid;
143 BOOL mRegistered;
144
145 Bstr mConfigFile;
146 Bstr mConfigFileFull;
147
148 Utf8Str mSettingsFileVersion;
149
150 BOOL mAccessible;
151 com::ErrorInfo mAccessError;
152
153 MachineState_T mMachineState;
154 RTTIMESPEC mLastStateChange;
155
156 /* Note: These are guarded by VirtualBoxBase::stateLockHandle() */
157 uint32_t mMachineStateDeps;
158 RTSEMEVENTMULTI mMachineStateDepsSem;
159 uint32_t mMachineStateChangePending;
160
161 BOOL mCurrentStateModified;
162
163 RTFILE mHandleCfgFile;
164
165 Session mSession;
166
167 ComObjPtr <Snapshot> mFirstSnapshot;
168 ComObjPtr <Snapshot> mCurrentSnapshot;
169
170 };
171
172 /**
173 * Saved state data.
174 *
175 * It's actually only the state file path string, but it needs to be
176 * separate from Data, because Machine and SessionMachine instances
177 * share it, while SnapshotMachine does not.
178 *
179 * The data variable is |mSSData|.
180 */
181 struct SSData
182 {
183 Bstr mStateFilePath;
184 };
185
186 /**
187 * User changeable machine data.
188 *
189 * This data is common for all machine snapshots, i.e. it is shared
190 * by all SnapshotMachine instances associated with the given machine
191 * using the util::Backupable template through the |mUserData| variable.
192 *
193 * SessionMachine instances can alter this data and discard changes.
194 *
195 * @note There is no need to lock anything inside init() or uninit()
196 * methods, because they are always serialized (see AutoCaller).
197 */
198 struct UserData
199 {
200 UserData();
201 ~UserData();
202
203 bool operator== (const UserData &that) const
204 {
205 return this == &that ||
206 (mName == that.mName &&
207 mNameSync == that.mNameSync &&
208 mDescription == that.mDescription &&
209 mOSTypeId == that.mOSTypeId &&
210 mSnapshotFolderFull == that.mSnapshotFolderFull);
211 }
212
213 Bstr mName;
214 BOOL mNameSync;
215 Bstr mDescription;
216 Bstr mOSTypeId;
217 Bstr mSnapshotFolder;
218 Bstr mSnapshotFolderFull;
219 };
220
221 /**
222 * Hardware data.
223 *
224 * This data is unique for a machine and for every machine snapshot.
225 * Stored using the util::Backupable template in the |mHWData| variable.
226 *
227 * SessionMachine instances can alter this data and discard changes.
228 */
229 struct HWData
230 {
231 /**
232 * Data structure to hold information about a guest property.
233 */
234 struct GuestProperty {
235 /** Property name */
236 Bstr mName;
237 /** Property value */
238 Bstr mValue;
239 /** Property timestamp */
240 ULONG64 mTimestamp;
241 /** Property flags */
242 Bstr mFlags;
243 };
244
245 HWData();
246 ~HWData();
247
248 bool operator== (const HWData &that) const;
249
250 ULONG mMemorySize;
251 ULONG mMemoryBalloonSize;
252 ULONG mStatisticsUpdateInterval;
253 ULONG mVRAMSize;
254 ULONG mMonitorCount;
255 TSBool_T mHWVirtExEnabled;
256 BOOL mHWVirtExNestedPagingEnabled;
257 BOOL mHWVirtExVPIDEnabled;
258 BOOL mPAEEnabled;
259
260 DeviceType_T mBootOrder [SchemaDefs::MaxBootPosition];
261
262 typedef std::list <ComObjPtr <SharedFolder> > SharedFolderList;
263 SharedFolderList mSharedFolders;
264 ClipboardMode_T mClipboardMode;
265 typedef std::list <GuestProperty> GuestPropertyList;
266 GuestPropertyList mGuestProperties;
267 BOOL mPropertyServiceActive;
268 };
269
270 /**
271 * Hard disk data.
272 *
273 * The usage policy is the same as for HWData, but a separate structure
274 * is necessarym because hard disk data requires different procedures when
275 * taking or discarding snapshots, etc.
276 *
277 * The data variable is |mHWData|.
278 */
279 struct HDData
280 {
281 HDData();
282 ~HDData();
283
284 bool operator== (const HDData &that) const;
285
286 typedef std::list <ComObjPtr <HardDiskAttachment> > HDAttachmentList;
287 HDAttachmentList mHDAttachments;
288
289 /**
290 * Right after Machine::fixupHardDisks(true): |true| if hard disks
291 * were actually changed, |false| otherwise
292 */
293 bool mHDAttachmentsChanged;
294 };
295
296 enum StateDependency
297 {
298 AnyStateDep = 0, MutableStateDep, MutableOrSavedStateDep
299 };
300
301 /**
302 * Helper class that safely manages the machine state dependency by
303 * calling Machine::addStateDependency() on construction and
304 * Machine::releaseStateDependency() on destruction. Intended for Machine
305 * children. The usage pattern is:
306 *
307 * @code
308 * AutoCaller autoCaller (this);
309 * CheckComRCReturnRC (autoCaller.rc());
310 *
311 * Machine::AutoStateDependency <MutableStateDep> adep (mParent);
312 * CheckComRCReturnRC (stateDep.rc());
313 * ...
314 * // code that depends on the particular machine state
315 * ...
316 * @endcode
317 *
318 * Note that it is more convenient to use the following individual
319 * shortcut classes instead of using this template directly:
320 * AutoAnyStateDependency, AutoMutableStateDependency and
321 * AutoMutableOrSavedStateDependency. The usage pattern is exactly the
322 * same as above except that there is no need to specify the template
323 * argument because it is already done by the shortcut class.
324 *
325 * @param taDepType Dependecy type to manage.
326 */
327 template <StateDependency taDepType = AnyStateDep>
328 class AutoStateDependency
329 {
330 public:
331
332 AutoStateDependency (Machine *aThat)
333 : mThat (aThat), mRC (S_OK)
334 , mMachineState (MachineState_Null)
335 , mRegistered (FALSE)
336 {
337 Assert (aThat);
338 mRC = aThat->addStateDependency (taDepType, &mMachineState,
339 &mRegistered);
340 }
341 ~AutoStateDependency()
342 {
343 if (SUCCEEDED (mRC))
344 mThat->releaseStateDependency();
345 }
346
347 /** Decreases the number of dependencies before the instance is
348 * destroyed. Note that will reset #rc() to E_FAIL. */
349 void release()
350 {
351 AssertReturnVoid (SUCCEEDED (mRC));
352 mThat->releaseStateDependency();
353 mRC = E_FAIL;
354 }
355
356 /** Restores the number of callers after by #release(). #rc() will be
357 * reset to the result of calling addStateDependency() and must be
358 * rechecked to ensure the operation succeeded. */
359 void add()
360 {
361 AssertReturnVoid (!SUCCEEDED (mRC));
362 mRC = mThat->addStateDependency (taDepType, &mMachineState,
363 &mRegistered);
364 }
365
366 /** Returns the result of Machine::addStateDependency(). */
367 HRESULT rc() const { return mRC; }
368
369 /** Shortcut to SUCCEEDED (rc()). */
370 bool isOk() const { return SUCCEEDED (mRC); }
371
372 /** Returns the machine state value as returned by
373 * Machine::addStateDependency(). */
374 MachineState_T machineState() const { return mMachineState; }
375
376 /** Returns the machine state value as returned by
377 * Machine::addStateDependency(). */
378 BOOL machineRegistered() const { return mRegistered; }
379
380 protected:
381
382 Machine *mThat;
383 HRESULT mRC;
384 MachineState_T mMachineState;
385 BOOL mRegistered;
386
387 private:
388
389 DECLARE_CLS_COPY_CTOR_ASSIGN_NOOP (AutoStateDependency)
390 DECLARE_CLS_NEW_DELETE_NOOP (AutoStateDependency)
391 };
392
393 /**
394 * Shortcut to AutoStateDependency <AnyStateDep>.
395 * See AutoStateDependency to get the usage pattern.
396 *
397 * Accepts any machine state and guarantees the state won't change before
398 * this object is destroyed. If the machine state cannot be protected (as
399 * a result of the state change currently in progress), this instance's
400 * #rc() method will indicate a failure, and the caller is not allowed to
401 * rely on any particular machine state and should return the failed
402 * result code to the upper level.
403 */
404 typedef AutoStateDependency <AnyStateDep> AutoAnyStateDependency;
405
406 /**
407 * Shortcut to AutoStateDependency <MutableStateDep>.
408 * See AutoStateDependency to get the usage pattern.
409 *
410 * Succeeds only if the machine state is in one of the mutable states, and
411 * guarantees the given mutable state won't change before this object is
412 * destroyed. If the machine is not mutable, this instance's #rc() method
413 * will indicate a failure, and the caller is not allowed to rely on any
414 * particular machine state and should return the failed result code to
415 * the upper level.
416 *
417 * Intended to be used within all setter methods of IMachine
418 * children objects (DVDDrive, NetworkAdapter, AudioAdapter, etc.) to
419 * provide data protection and consistency.
420 */
421 typedef AutoStateDependency <MutableStateDep> AutoMutableStateDependency;
422
423 /**
424 * Shortcut to AutoStateDependency <MutableOrSavedStateDep>.
425 * See AutoStateDependency to get the usage pattern.
426 *
427 * Succeeds only if the machine state is in one of the mutable states, or
428 * if the machine is in the Saved state, and guarantees the given mutable
429 * state won't change before this object is destroyed. If the machine is
430 * not mutable, this instance's #rc() method will indicate a failure, and
431 * the caller is not allowed to rely on any particular machine state and
432 * should return the failed result code to the upper level.
433 *
434 * Intended to be used within setter methods of IMachine
435 * children objects that may also operate on Saved machines.
436 */
437 typedef AutoStateDependency <MutableOrSavedStateDep> AutoMutableOrSavedStateDependency;
438
439
440 VIRTUALBOXBASE_ADD_ERRORINFO_SUPPORT (Machine)
441
442 DECLARE_NOT_AGGREGATABLE(Machine)
443
444 DECLARE_PROTECT_FINAL_CONSTRUCT()
445
446 BEGIN_COM_MAP(Machine)
447 COM_INTERFACE_ENTRY(ISupportErrorInfo)
448 COM_INTERFACE_ENTRY(IMachine)
449 END_COM_MAP()
450
451 NS_DECL_ISUPPORTS
452
453 DECLARE_EMPTY_CTOR_DTOR (Machine)
454
455 HRESULT FinalConstruct();
456 void FinalRelease();
457
458 enum InitMode { Init_New, Init_Existing, Init_Registered };
459
460 // public initializer/uninitializer for internal purposes only
461 HRESULT init (VirtualBox *aParent, const BSTR aConfigFile,
462 InitMode aMode, const BSTR aName = NULL,
463 BOOL aNameSync = TRUE, const Guid *aId = NULL);
464 void uninit();
465
466 // IMachine properties
467 STDMETHOD(COMGETTER(Parent))(IVirtualBox **aParent);
468 STDMETHOD(COMGETTER(Accessible)) (BOOL *aAccessible);
469 STDMETHOD(COMGETTER(AccessError)) (IVirtualBoxErrorInfo **aAccessError);
470 STDMETHOD(COMGETTER(Name))(BSTR *aName);
471 STDMETHOD(COMSETTER(Name))(INPTR BSTR aName);
472 STDMETHOD(COMGETTER(Description))(BSTR *aDescription);
473 STDMETHOD(COMSETTER(Description))(INPTR BSTR aDescription);
474 STDMETHOD(COMGETTER(Id))(GUIDPARAMOUT aId);
475 STDMETHOD(COMGETTER(OSTypeId)) (BSTR *aOSTypeId);
476 STDMETHOD(COMSETTER(OSTypeId)) (INPTR BSTR aOSTypeId);
477 STDMETHOD(COMGETTER(MemorySize))(ULONG *memorySize);
478 STDMETHOD(COMSETTER(MemorySize))(ULONG memorySize);
479 STDMETHOD(COMGETTER(MemoryBalloonSize))(ULONG *memoryBalloonSize);
480 STDMETHOD(COMSETTER(MemoryBalloonSize))(ULONG memoryBalloonSize);
481 STDMETHOD(COMGETTER(StatisticsUpdateInterval))(ULONG *statisticsUpdateInterval);
482 STDMETHOD(COMSETTER(StatisticsUpdateInterval))(ULONG statisticsUpdateInterval);
483 STDMETHOD(COMGETTER(VRAMSize))(ULONG *memorySize);
484 STDMETHOD(COMSETTER(VRAMSize))(ULONG memorySize);
485 STDMETHOD(COMGETTER(MonitorCount))(ULONG *monitorCount);
486 STDMETHOD(COMSETTER(MonitorCount))(ULONG monitorCount);
487 STDMETHOD(COMGETTER(BIOSSettings))(IBIOSSettings **biosSettings);
488 STDMETHOD(COMGETTER(HWVirtExEnabled))(TSBool_T *enabled);
489 STDMETHOD(COMSETTER(HWVirtExEnabled))(TSBool_T enabled);
490 STDMETHOD(COMGETTER(HWVirtExNestedPagingEnabled))(BOOL *enabled);
491 STDMETHOD(COMSETTER(HWVirtExNestedPagingEnabled))(BOOL enabled);
492 STDMETHOD(COMGETTER(HWVirtExVPIDEnabled))(BOOL *enabled);
493 STDMETHOD(COMSETTER(HWVirtExVPIDEnabled))(BOOL enabled);
494 STDMETHOD(COMGETTER(PAEEnabled))(BOOL *enabled);
495 STDMETHOD(COMSETTER(PAEEnabled))(BOOL enabled);
496 STDMETHOD(COMGETTER(SnapshotFolder))(BSTR *aSavedStateFolder);
497 STDMETHOD(COMSETTER(SnapshotFolder))(INPTR BSTR aSavedStateFolder);
498 STDMETHOD(COMGETTER(HardDiskAttachments))(IHardDiskAttachmentCollection **attachments);
499 STDMETHOD(COMGETTER(VRDPServer))(IVRDPServer **vrdpServer);
500 STDMETHOD(COMGETTER(DVDDrive))(IDVDDrive **dvdDrive);
501 STDMETHOD(COMGETTER(FloppyDrive))(IFloppyDrive **floppyDrive);
502 STDMETHOD(COMGETTER(AudioAdapter))(IAudioAdapter **audioAdapter);
503 STDMETHOD(COMGETTER(USBController)) (IUSBController * *aUSBController);
504 STDMETHOD(COMGETTER(SATAController)) (ISATAController **aSATAController);
505 STDMETHOD(COMGETTER(SettingsFilePath)) (BSTR *aFilePath);
506 STDMETHOD(COMGETTER(SettingsFileVersion)) (BSTR *aSettingsFileVersion);
507 STDMETHOD(COMGETTER(SettingsModified)) (BOOL *aModified);
508 STDMETHOD(COMGETTER(SessionState)) (SessionState_T *aSessionState);
509 STDMETHOD(COMGETTER(SessionType)) (BSTR *aSessionType);
510 STDMETHOD(COMGETTER(SessionPid)) (ULONG *aSessionPid);
511 STDMETHOD(COMGETTER(State)) (MachineState_T *machineState);
512 STDMETHOD(COMGETTER(LastStateChange)) (LONG64 *aLastStateChange);
513 STDMETHOD(COMGETTER(StateFilePath)) (BSTR *aStateFilePath);
514 STDMETHOD(COMGETTER(LogFolder)) (BSTR *aLogFolder);
515 STDMETHOD(COMGETTER(CurrentSnapshot)) (ISnapshot **aCurrentSnapshot);
516 STDMETHOD(COMGETTER(SnapshotCount)) (ULONG *aSnapshotCount);
517 STDMETHOD(COMGETTER(CurrentStateModified))(BOOL *aCurrentStateModified);
518 STDMETHOD(COMGETTER(SharedFolders)) (ISharedFolderCollection **aSharedFolders);
519 STDMETHOD(COMGETTER(ClipboardMode)) (ClipboardMode_T *aClipboardMode);
520 STDMETHOD(COMSETTER(ClipboardMode)) (ClipboardMode_T aClipboardMode);
521
522 // IMachine methods
523 STDMETHOD(SetBootOrder)(ULONG aPosition, DeviceType_T aDevice);
524 STDMETHOD(GetBootOrder)(ULONG aPosition, DeviceType_T *aDevice);
525 STDMETHOD(AttachHardDisk)(INPTR GUIDPARAM aId, StorageBus_T aBus, LONG aChannel, LONG aDevice);
526 STDMETHOD(GetHardDisk)(StorageBus_T aBus, LONG aChannel, LONG aDevice, IHardDisk **aHardDisk);
527 STDMETHOD(DetachHardDisk) (StorageBus_T aBus, LONG aChannel, LONG aDevice);
528 STDMETHOD(GetSerialPort) (ULONG slot, ISerialPort **port);
529 STDMETHOD(GetParallelPort) (ULONG slot, IParallelPort **port);
530 STDMETHOD(GetNetworkAdapter) (ULONG slot, INetworkAdapter **adapter);
531 STDMETHOD(GetNextExtraDataKey)(INPTR BSTR aKey, BSTR *aNextKey, BSTR *aNextValue);
532 STDMETHOD(GetExtraData)(INPTR BSTR aKey, BSTR *aValue);
533 STDMETHOD(SetExtraData)(INPTR BSTR aKey, INPTR BSTR aValue);
534 STDMETHOD(SaveSettings)();
535 STDMETHOD(SaveSettingsWithBackup) (BSTR *aBakFileName);
536 STDMETHOD(DiscardSettings)();
537 STDMETHOD(DeleteSettings)();
538 STDMETHOD(GetSnapshot) (INPTR GUIDPARAM aId, ISnapshot **aSnapshot);
539 STDMETHOD(FindSnapshot) (INPTR BSTR aName, ISnapshot **aSnapshot);
540 STDMETHOD(SetCurrentSnapshot) (INPTR GUIDPARAM aId);
541 STDMETHOD(CreateSharedFolder) (INPTR BSTR aName, INPTR BSTR aHostPath, BOOL aWritable);
542 STDMETHOD(RemoveSharedFolder) (INPTR BSTR aName);
543 STDMETHOD(CanShowConsoleWindow) (BOOL *aCanShow);
544 STDMETHOD(ShowConsoleWindow) (ULONG64 *aWinId);
545 STDMETHOD(GetGuestProperty) (INPTR BSTR aName, BSTR *aValue, ULONG64 *aTimestamp, BSTR *aFlags);
546 STDMETHOD(GetGuestPropertyValue) (INPTR BSTR aName, BSTR *aValue);
547 STDMETHOD(GetGuestPropertyTimestamp) (INPTR BSTR aName, ULONG64 *aTimestamp);
548 STDMETHOD(SetGuestProperty) (INPTR BSTR aName, INPTR BSTR aValue, INPTR BSTR aFlags);
549 STDMETHOD(SetGuestPropertyValue) (INPTR BSTR aName, INPTR BSTR aValue);
550 STDMETHOD(EnumerateGuestProperties) (INPTR BSTR aPattern, ComSafeArrayOut(BSTR, aNames), ComSafeArrayOut(BSTR, aValues), ComSafeArrayOut(ULONG64, aTimestamps), ComSafeArrayOut(BSTR, aFlags));
551
552 // public methods only for internal purposes
553
554 /// @todo (dmik) add lock and make non-inlined after revising classes
555 // that use it. Note: they should enter Machine lock to keep the returned
556 // information valid!
557 bool isRegistered() { return !!mData->mRegistered; }
558
559 ComObjPtr <SessionMachine> sessionMachine();
560
561 /**
562 * Returns the VirtualBox object this machine belongs to.
563 *
564 * @note This method doesn't check this object's readiness as it is
565 * intended to be used only by Machine children where it is guaranteed
566 * that this object still exists in memory.
567 */
568 const ComObjPtr <VirtualBox, ComWeakRef> &virtualBox() const { return mParent; }
569
570 /**
571 * Returns this machine's name.
572 *
573 * @note This method doesn't check this object's readiness as it is
574 * intended to be used only after adding a caller to this object (that
575 * guarantees that the object is ready or at least limited).
576 */
577 const Guid &uuid() const { return mData->mUuid; }
578
579 /**
580 * Returns this machine's full settings file path.
581 *
582 * @note This method doesn't lock this object or check its readiness as
583 * it is intended to be used only after adding a caller to this object
584 * (that guarantees that the object is ready) and locking it for reading.
585 */
586 const Bstr &settingsFileFull() const { return mData->mConfigFileFull; }
587
588 /**
589 * Returns this machine's name.
590 *
591 * @note This method doesn't lock this object or check its readiness as
592 * it is intended to be used only after adding a caller to this object
593 * (that guarantees that the object is ready) and locking it for reading.
594 */
595 const Bstr &name() const { return mUserData->mName; }
596
597 // callback handlers
598 virtual HRESULT onDVDDriveChange() { return S_OK; }
599 virtual HRESULT onFloppyDriveChange() { return S_OK; }
600 virtual HRESULT onNetworkAdapterChange(INetworkAdapter *networkAdapter) { return S_OK; }
601 virtual HRESULT onSerialPortChange(ISerialPort *serialPort) { return S_OK; }
602 virtual HRESULT onParallelPortChange(IParallelPort *ParallelPort) { return S_OK; }
603 virtual HRESULT onVRDPServerChange() { return S_OK; }
604 virtual HRESULT onUSBControllerChange() { return S_OK; }
605 virtual HRESULT onSATAControllerChange() { return S_OK; }
606 virtual HRESULT onSharedFolderChange() { return S_OK; }
607
608 HRESULT saveRegistryEntry (settings::Key &aEntryNode);
609
610 int calculateFullPath (const char *aPath, Utf8Str &aResult);
611 void calculateRelativePath (const char *aPath, Utf8Str &aResult);
612
613 void getLogFolder (Utf8Str &aLogFolder);
614
615 bool isDVDImageUsed (const Guid &aId, ResourceUsage_T aUsage);
616 bool isFloppyImageUsed (const Guid &aId, ResourceUsage_T aUsage);
617
618 HRESULT openSession (IInternalSessionControl *aControl);
619 HRESULT openRemoteSession (IInternalSessionControl *aControl,
620 INPTR BSTR aType, INPTR BSTR aEnvironment,
621 Progress *aProgress);
622 HRESULT openExistingSession (IInternalSessionControl *aControl);
623
624 HRESULT trySetRegistered (BOOL aRegistered);
625
626 HRESULT getSharedFolder (const BSTR aName,
627 ComObjPtr <SharedFolder> &aSharedFolder,
628 bool aSetError = false)
629 {
630 AutoWriteLock alock (this);
631 return findSharedFolder (aName, aSharedFolder, aSetError);
632 }
633
634 HRESULT addStateDependency (StateDependency aDepType = AnyStateDep,
635 MachineState_T *aState = NULL,
636 BOOL *aRegistered = NULL);
637 void releaseStateDependency();
638
639 // for VirtualBoxSupportErrorInfoImpl
640 static const wchar_t *getComponentName() { return L"Machine"; }
641
642protected:
643
644 enum InstanceType { IsMachine, IsSessionMachine, IsSnapshotMachine };
645
646 HRESULT registeredInit();
647
648 HRESULT checkStateDependency (StateDependency aDepType);
649
650 inline Machine *machine();
651
652 HRESULT initDataAndChildObjects();
653 void uninitDataAndChildObjects();
654
655 void ensureNoStateDependencies (AutoWriteLock &aLock);
656
657 virtual HRESULT setMachineState (MachineState_T aMachineState);
658
659 HRESULT findSharedFolder (const BSTR aName,
660 ComObjPtr <SharedFolder> &aSharedFolder,
661 bool aSetError = false);
662
663 HRESULT loadSettings (bool aRegistered);
664 HRESULT loadSnapshot (const settings::Key &aNode, const Guid &aCurSnapshotId,
665 Snapshot *aParentSnapshot);
666 HRESULT loadHardware (const settings::Key &aNode);
667 HRESULT loadHardDisks (const settings::Key &aNode, bool aRegistered,
668 const Guid *aSnapshotId = NULL);
669
670 HRESULT findSnapshotNode (Snapshot *aSnapshot, settings::Key &aMachineNode,
671 settings::Key *aSnapshotsNode,
672 settings::Key *aSnapshotNode);
673
674 HRESULT findSnapshot (const Guid &aId, ComObjPtr <Snapshot> &aSnapshot,
675 bool aSetError = false);
676 HRESULT findSnapshot (const BSTR aName, ComObjPtr <Snapshot> &aSnapshot,
677 bool aSetError = false);
678
679 HRESULT findHardDiskAttachment (const ComObjPtr <HardDisk> &aHd,
680 ComObjPtr <Machine> *aMachine,
681 ComObjPtr <Snapshot> *aSnapshot,
682 ComObjPtr <HardDiskAttachment> *aHda);
683
684 HRESULT prepareSaveSettings (bool &aRenamed, bool &aNew);
685 HRESULT saveSettings (bool aMarkCurStateAsModified = true,
686 bool aInformCallbacksAnyway = false);
687
688 enum
689 {
690 // ops for #saveSnapshotSettings()
691 SaveSS_NoOp = 0x00, SaveSS_AddOp = 0x01,
692 SaveSS_UpdateAttrsOp = 0x02, SaveSS_UpdateAllOp = 0x03,
693 SaveSS_OpMask = 0xF,
694 // flags for #saveSnapshotSettings()
695 SaveSS_UpdateCurStateModified = 0x40,
696 SaveSS_UpdateCurrentId = 0x80,
697 // flags for #saveStateSettings()
698 SaveSTS_CurStateModified = 0x20,
699 SaveSTS_StateFilePath = 0x40,
700 SaveSTS_StateTimeStamp = 0x80,
701 };
702
703 HRESULT saveSnapshotSettings (Snapshot *aSnapshot, int aOpFlags);
704 HRESULT saveSnapshotSettingsWorker (settings::Key &aMachineNode,
705 Snapshot *aSnapshot, int aOpFlags);
706
707 HRESULT saveSnapshot (settings::Key &aNode, Snapshot *aSnapshot, bool aAttrsOnly);
708 HRESULT saveHardware (settings::Key &aNode);
709 HRESULT saveHardDisks (settings::Key &aNode);
710
711 HRESULT saveStateSettings (int aFlags);
712
713 HRESULT wipeOutImmutableDiffs();
714
715 HRESULT fixupHardDisks (bool aCommit);
716
717 HRESULT createSnapshotDiffs (const Guid *aSnapshotId,
718 const Bstr &aFolder,
719 const ComObjPtr <Progress> &aProgress,
720 bool aOnline);
721 HRESULT deleteSnapshotDiffs (const ComObjPtr <Snapshot> &aSnapshot);
722
723 HRESULT lockConfig();
724 HRESULT unlockConfig();
725
726 /** @note This method is not thread safe */
727 BOOL isConfigLocked()
728 {
729 return !!mData && mData->mHandleCfgFile != NIL_RTFILE;
730 }
731
732 bool isInOwnDir (Utf8Str *aSettingsDir = NULL);
733
734 bool isModified();
735 bool isReallyModified (bool aIgnoreUserData = false);
736 void rollback (bool aNotify);
737 HRESULT commit();
738 void copyFrom (Machine *aThat);
739
740#ifdef VBOX_WITH_RESOURCE_USAGE_API
741 void registerMetrics (PerformanceCollector *aCollector, Machine *aMachine, RTPROCESS pid);
742 void unregisterMetrics (PerformanceCollector *aCollector, Machine *aMachine);
743#endif /* VBOX_WITH_RESOURCE_USAGE_API */
744
745 const InstanceType mType;
746
747 const ComObjPtr <Machine, ComWeakRef> mPeer;
748
749 const ComObjPtr <VirtualBox, ComWeakRef> mParent;
750
751 Shareable <Data> mData;
752 Shareable <SSData> mSSData;
753
754 Backupable <UserData> mUserData;
755 Backupable <HWData> mHWData;
756 Backupable <HDData> mHDData;
757
758 // the following fields need special backup/rollback/commit handling,
759 // so they cannot be a part of HWData
760
761 const ComObjPtr <VRDPServer> mVRDPServer;
762 const ComObjPtr <DVDDrive> mDVDDrive;
763 const ComObjPtr <FloppyDrive> mFloppyDrive;
764 const ComObjPtr <SerialPort>
765 mSerialPorts [SchemaDefs::SerialPortCount];
766 const ComObjPtr <ParallelPort>
767 mParallelPorts [SchemaDefs::ParallelPortCount];
768 const ComObjPtr <AudioAdapter> mAudioAdapter;
769 const ComObjPtr <USBController> mUSBController;
770 const ComObjPtr <SATAController> mSATAController;
771 const ComObjPtr <BIOSSettings> mBIOSSettings;
772 const ComObjPtr <NetworkAdapter>
773 mNetworkAdapters [SchemaDefs::NetworkAdapterCount];
774
775 friend class SessionMachine;
776 friend class SnapshotMachine;
777};
778
779// SessionMachine class
780////////////////////////////////////////////////////////////////////////////////
781
782/**
783 * @note Notes on locking objects of this class:
784 * SessionMachine shares some data with the primary Machine instance (pointed
785 * to by the |mPeer| member). In order to provide data consistency it also
786 * shares its lock handle. This means that whenever you lock a SessionMachine
787 * instance using Auto[Reader]Lock or AutoMultiLock, the corresponding Machine
788 * instance is also locked in the same lock mode. Keep it in mind.
789 */
790class ATL_NO_VTABLE SessionMachine :
791 public VirtualBoxSupportTranslation <SessionMachine>,
792 public Machine,
793 public IInternalMachineControl
794{
795public:
796
797 VIRTUALBOXSUPPORTTRANSLATION_OVERRIDE(SessionMachine)
798
799 DECLARE_NOT_AGGREGATABLE(SessionMachine)
800
801 DECLARE_PROTECT_FINAL_CONSTRUCT()
802
803 BEGIN_COM_MAP(SessionMachine)
804 COM_INTERFACE_ENTRY(ISupportErrorInfo)
805 COM_INTERFACE_ENTRY(IMachine)
806 COM_INTERFACE_ENTRY(IInternalMachineControl)
807 END_COM_MAP()
808
809 NS_DECL_ISUPPORTS
810
811 DECLARE_EMPTY_CTOR_DTOR (SessionMachine)
812
813 HRESULT FinalConstruct();
814 void FinalRelease();
815
816 // public initializer/uninitializer for internal purposes only
817 HRESULT init (Machine *aMachine);
818 void uninit() { uninit (Uninit::Unexpected); }
819
820 // util::Lockable interface
821 RWLockHandle *lockHandle() const;
822
823 // IInternalMachineControl methods
824 STDMETHOD(UpdateState)(MachineState_T machineState);
825 STDMETHOD(GetIPCId)(BSTR *id);
826 STDMETHOD(RunUSBDeviceFilters) (IUSBDevice *aUSBDevice, BOOL *aMatched, ULONG *aMaskedIfs);
827 STDMETHOD(CaptureUSBDevice) (INPTR GUIDPARAM aId);
828 STDMETHOD(DetachUSBDevice) (INPTR GUIDPARAM aId, BOOL aDone);
829 STDMETHOD(AutoCaptureUSBDevices)();
830 STDMETHOD(DetachAllUSBDevices)(BOOL aDone);
831 STDMETHOD(OnSessionEnd)(ISession *aSession, IProgress **aProgress);
832 STDMETHOD(BeginSavingState) (IProgress *aProgress, BSTR *aStateFilePath);
833 STDMETHOD(EndSavingState) (BOOL aSuccess);
834 STDMETHOD(AdoptSavedState) (INPTR BSTR aSavedStateFile);
835 STDMETHOD(BeginTakingSnapshot) (IConsole *aInitiator,
836 INPTR BSTR aName, INPTR BSTR aDescription,
837 IProgress *aProgress, BSTR *aStateFilePath,
838 IProgress **aServerProgress);
839 STDMETHOD(EndTakingSnapshot) (BOOL aSuccess);
840 STDMETHOD(DiscardSnapshot) (IConsole *aInitiator, INPTR GUIDPARAM aId,
841 MachineState_T *aMachineState, IProgress **aProgress);
842 STDMETHOD(DiscardCurrentState) (
843 IConsole *aInitiator, MachineState_T *aMachineState, IProgress **aProgress);
844 STDMETHOD(DiscardCurrentSnapshotAndState) (
845 IConsole *aInitiator, MachineState_T *aMachineState, IProgress **aProgress);
846 STDMETHOD(PullGuestProperties) (ComSafeArrayOut(BSTR, aNames), ComSafeArrayOut(BSTR, aValues),
847 ComSafeArrayOut(ULONG64, aTimestamps), ComSafeArrayOut(BSTR, aFlags));
848 STDMETHOD(PushGuestProperties) (ComSafeArrayIn(INPTR BSTR, aNames), ComSafeArrayIn(INPTR BSTR, aValues),
849 ComSafeArrayIn(ULONG64, aTimestamps), ComSafeArrayIn(INPTR BSTR, aFlags));
850 STDMETHOD(PushGuestProperty) (INPTR BSTR aName, INPTR BSTR aValue,
851 ULONG64 aTimestamp, INPTR BSTR aFlags);
852
853 // public methods only for internal purposes
854
855 bool checkForDeath();
856
857#if defined (RT_OS_WINDOWS)
858 HANDLE ipcSem() { return mIPCSem; }
859#elif defined (RT_OS_OS2)
860 HMTX ipcSem() { return mIPCSem; }
861#endif
862
863 HRESULT onDVDDriveChange();
864 HRESULT onFloppyDriveChange();
865 HRESULT onNetworkAdapterChange(INetworkAdapter *networkAdapter);
866 HRESULT onSerialPortChange(ISerialPort *serialPort);
867 HRESULT onParallelPortChange(IParallelPort *parallelPort);
868 HRESULT onVRDPServerChange();
869 HRESULT onUSBControllerChange();
870 HRESULT onUSBDeviceAttach (IUSBDevice *aDevice,
871 IVirtualBoxErrorInfo *aError,
872 ULONG aMaskedIfs);
873 HRESULT onUSBDeviceDetach (INPTR GUIDPARAM aId,
874 IVirtualBoxErrorInfo *aError);
875 HRESULT onSharedFolderChange();
876
877 bool hasMatchingUSBFilter (const ComObjPtr <HostUSBDevice> &aDevice, ULONG *aMaskedIfs);
878
879private:
880
881 struct SnapshotData
882 {
883 SnapshotData() : mLastState (MachineState_Null) {}
884
885 MachineState_T mLastState;
886
887 // used when taking snapshot
888 ComObjPtr <Snapshot> mSnapshot;
889 ComObjPtr <Progress> mServerProgress;
890 ComObjPtr <CombinedProgress> mCombinedProgress;
891
892 // used when saving state
893 Guid mProgressId;
894 Bstr mStateFilePath;
895 };
896
897 struct Uninit {
898 enum Reason { Unexpected, Abnormal, Normal };
899 };
900
901 struct Task;
902 struct TakeSnapshotTask;
903 struct DiscardSnapshotTask;
904 struct DiscardCurrentStateTask;
905
906 friend struct TakeSnapshotTask;
907 friend struct DiscardSnapshotTask;
908 friend struct DiscardCurrentStateTask;
909
910 void uninit (Uninit::Reason aReason);
911
912 HRESULT endSavingState (BOOL aSuccess);
913 HRESULT endTakingSnapshot (BOOL aSuccess);
914
915 typedef std::map <ComObjPtr <Machine>, MachineState_T> AffectedMachines;
916
917 void takeSnapshotHandler (TakeSnapshotTask &aTask);
918 void discardSnapshotHandler (DiscardSnapshotTask &aTask);
919 void discardCurrentStateHandler (DiscardCurrentStateTask &aTask);
920
921 HRESULT setMachineState (MachineState_T aMachineState);
922 HRESULT updateMachineStateOnClient();
923
924 SnapshotData mSnapshotData;
925
926 /** interprocess semaphore handle (id) for this machine */
927#if defined(RT_OS_WINDOWS)
928 HANDLE mIPCSem;
929 Bstr mIPCSemName;
930#elif defined(RT_OS_OS2)
931 HMTX mIPCSem;
932 Bstr mIPCSemName;
933#elif defined(VBOX_WITH_SYS_V_IPC_SESSION_WATCHER)
934 int mIPCSem;
935#else
936# error "Port me!"
937#endif
938
939 static DECLCALLBACK(int) taskHandler (RTTHREAD thread, void *pvUser);
940};
941
942// SnapshotMachine class
943////////////////////////////////////////////////////////////////////////////////
944
945/**
946 * @note Notes on locking objects of this class:
947 * SnapshotMachine shares some data with the primary Machine instance (pointed
948 * to by the |mPeer| member). In order to provide data consistency it also
949 * shares its lock handle. This means that whenever you lock a SessionMachine
950 * instance using Auto[Reader]Lock or AutoMultiLock, the corresponding Machine
951 * instance is also locked in the same lock mode. Keep it in mind.
952 */
953class ATL_NO_VTABLE SnapshotMachine :
954 public VirtualBoxSupportTranslation <SnapshotMachine>,
955 public Machine
956{
957public:
958
959 VIRTUALBOXSUPPORTTRANSLATION_OVERRIDE(SnapshotMachine)
960
961 DECLARE_NOT_AGGREGATABLE(SnapshotMachine)
962
963 DECLARE_PROTECT_FINAL_CONSTRUCT()
964
965 BEGIN_COM_MAP(SnapshotMachine)
966 COM_INTERFACE_ENTRY(ISupportErrorInfo)
967 COM_INTERFACE_ENTRY(IMachine)
968 END_COM_MAP()
969
970 NS_DECL_ISUPPORTS
971
972 DECLARE_EMPTY_CTOR_DTOR (SnapshotMachine)
973
974 HRESULT FinalConstruct();
975 void FinalRelease();
976
977 // public initializer/uninitializer for internal purposes only
978 HRESULT init (SessionMachine *aSessionMachine,
979 INPTR GUIDPARAM aSnapshotId, INPTR BSTR aStateFilePath);
980 HRESULT init (Machine *aMachine,
981 const settings::Key &aHWNode, const settings::Key &aHDAsNode,
982 INPTR GUIDPARAM aSnapshotId, INPTR BSTR aStateFilePath);
983 void uninit();
984
985 // util::Lockable interface
986 RWLockHandle *lockHandle() const;
987
988 // public methods only for internal purposes
989
990 HRESULT onSnapshotChange (Snapshot *aSnapshot);
991
992private:
993
994 Guid mSnapshotId;
995
996 friend class Snapshot;
997};
998
999////////////////////////////////////////////////////////////////////////////////
1000
1001/**
1002 * Returns a pointer to the Machine object for this machine that acts like a
1003 * parent for complex machine data objects such as shared folders, etc.
1004 *
1005 * For primary Machine objects and for SnapshotMachine objects, returns this
1006 * object's pointer itself. For SessoinMachine objects, returns the peer
1007 * (primary) machine pointer.
1008 */
1009inline Machine *Machine::machine()
1010{
1011 if (mType == IsSessionMachine)
1012 return mPeer;
1013 return this;
1014}
1015
1016COM_DECL_READONLY_ENUM_AND_COLLECTION (Machine)
1017
1018#endif // ____H_MACHINEIMPL
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