tstVBoxAPIXPCOM.cpp@ 100595

Last change on this file since 100595 was 99775, checked in by vboxsync, 19 months ago
*: Mark functions as static if not used outside of a given compilation unit. Enables the compiler to optimize inlining, reduces the symbol tables, exposes unused functions and in some rare cases exposes mismtaches between function declarations and definitions, but most importantly reduces the number of parfait reports for the extern-function-no-forward-declaration category. This should not result in any functional changes, bugref:3409
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1	/* $Id: tstVBoxAPIXPCOM.cpp 99775 2023-05-12 12:21:58Z vboxsync $ */
2	/** @file
3	*
4	* tstVBoxAPIXPCOM - sample program to illustrate the VirtualBox
5	* XPCOM API for machine management.
6	* It only uses standard C/C++ and XPCOM semantics,
7	* no additional VBox classes/macros/helpers.
8	*/
9
10	/*
11	* Copyright (C) 2006-2023 Oracle and/or its affiliates.
12	*
13	* This file is part of VirtualBox base platform packages, as
14	* available from https://www.virtualbox.org.
15	*
16	* This program is free software; you can redistribute it and/or
17	* modify it under the terms of the GNU General Public License
18	* as published by the Free Software Foundation, in version 3 of the
19	* License.
20	*
21	* This program is distributed in the hope that it will be useful, but
22	* WITHOUT ANY WARRANTY; without even the implied warranty of
23	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
24	* General Public License for more details.
25	*
26	* You should have received a copy of the GNU General Public License
27	* along with this program; if not, see <https://www.gnu.org/licenses>.
28	*
29	* SPDX-License-Identifier: GPL-3.0-only
30	*/
31
32	/*
33	* PURPOSE OF THIS SAMPLE PROGRAM
34	* ------------------------------
35	*
36	* This sample program is intended to demonstrate the minimal code necessary
37	* to use VirtualBox XPCOM API for learning puroses only. The program uses
38	* pure XPCOM and doesn't have any extra dependencies to let you better
39	* understand what is going on when a client talks to the VirtualBox core
40	* using the XPCOM framework.
41	*
42	* However, if you want to write a real application, it is highly recommended
43	* to use our MS COM XPCOM Glue library and helper C++ classes. This way, you
44	* will get at least the following benefits:
45	*
46	* a) better portability: both the MS COM (used on Windows) and XPCOM (used
47	* everywhere else) VirtualBox client application from the same source code
48	* (including common smart C++ templates for automatic interface pointer
49	* reference counter and string data management);
50	* b) simpler XPCOM initialization and shutdown (only a single method call
51	* that does everything right).
52	*
53	* Currently, there is no separate sample program that uses the VirtualBox MS
54	* COM XPCOM Glue library. Please refer to the sources of stock VirtualBox
55	* applications such as the VirtualBox GUI frontend or the VBoxManage command
56	* line frontend.
57	*
58	*
59	* RUNNING THIS SAMPLE PROGRAM
60	* ---------------------------
61	*
62	* This sample program needs to know where the VirtualBox core files reside
63	* and where to search for VirtualBox shared libraries. Therefore, you need to
64	* use the following (or similar) command to execute it:
65	*
66	* $ env VBOX_XPCOM_HOME=../../.. LD_LIBRARY_PATH=../../.. ./tstVBoxAPIXPCOM
67	*
68	* The above command assumes that VBoxRT.so, VBoxXPCOM.so and others reside in
69	* the directory ../../..
70	*/
71
72
73	#include <stdio.h>
74	#include <stdlib.h>
75	#include <iconv.h>
76
77	/*
78	* Include the XPCOM headers
79	*/
80	#include <nsMemory.h>
81	#include <nsString.h>
82	#include <nsIServiceManager.h>
83	#include <nsEventQueueUtils.h>
84
85	#include <nsIExceptionService.h>
86
87	/*
88	* VirtualBox XPCOM interface. This header is generated
89	* from IDL which in turn is generated from a custom XML format.
90	*/
91	#include "VirtualBox_XPCOM.h"
92
93	/*
94	* Prototypes
95	*/
96
97	char nsIDToString(nsID guid);
98	void printErrorInfo();
99
100
101	/**
102	* Display all registered VMs on the screen with some information about each
103	*
104	* @param virtualBox VirtualBox instance object.
105	*/
106	static void listVMs(IVirtualBox *virtualBox)
107	{
108	nsresult rc;
109
110	printf("----------------------------------------------------\n");
111	printf("VM List:\n\n");
112
113	/*
114	* Get the list of all registered VMs
115	*/
116	IMachine **machines = NULL;
117	PRUint32 cMachines = 0;
118
119	rc = virtualBox->GetMachines(&cMachines, &machines);
120	if (NS_SUCCEEDED(rc))
121	{
122	/*
123	* Iterate through the collection
124	*/
125	for (PRUint32 i = 0; i < cMachines; ++ i)
126	{
127	IMachine *machine = machines[i];
128	if (machine)
129	{
130	PRBool isAccessible = PR_FALSE;
131	machine->GetAccessible(&isAccessible);
132
133	if (isAccessible)
134	{
135	nsXPIDLString machineName;
136	machine->GetName(getter_Copies(machineName));
137	char *machineNameAscii = ToNewCString(machineName);
138	printf("\tName: %s\n", machineNameAscii);
139	free(machineNameAscii);
140	}
141	else
142	{
143	printf("\tName: <inaccessible>\n");
144	}
145
146	nsXPIDLString iid;
147	machine->GetId(getter_Copies(iid));
148	const char *uuidString = ToNewCString(iid);
149	printf("\tUUID: %s\n", uuidString);
150	free((void*)uuidString);
151
152	if (isAccessible)
153	{
154	nsXPIDLString configFile;
155	machine->GetSettingsFilePath(getter_Copies(configFile));
156	char *configFileAscii = ToNewCString(configFile);
157	printf("\tConfig file: %s\n", configFileAscii);
158	free(configFileAscii);
159
160	PRUint32 memorySize;
161	machine->GetMemorySize(&memorySize);
162	printf("\tMemory size: %uMB\n", memorySize);
163
164	nsXPIDLString typeId;
165	machine->GetOSTypeId(getter_Copies(typeId));
166	IGuestOSType *osType = nsnull;
167	virtualBox->GetGuestOSType(typeId.get(), &osType);
168	nsXPIDLString osName;
169	osType->GetDescription(getter_Copies(osName));
170	char *osNameAscii = ToNewCString(osName);
171	printf("\tGuest OS: %s\n\n", osNameAscii);
172	free(osNameAscii);
173	osType->Release();
174	}
175
176	/* don't forget to release the objects in the array... */
177	machine->Release();
178	}
179	}
180	nsMemory::Free(machines);
181	}
182	printf("----------------------------------------------------\n\n");
183	}
184
185	/**
186	* Create a sample VM
187	*
188	* @param virtualBox VirtualBox instance object.
189	*/
190	static void createVM(IVirtualBox *virtualBox)
191	{
192	nsresult rc;
193	/*
194	* First create a unnamed new VM. It will be unconfigured and not be saved
195	* in the configuration until we explicitely choose to do so.
196	*/
197	nsCOMPtr<IMachine> machine;
198	rc = virtualBox->CreateMachine(NULL, /* settings file */
199	NS_LITERAL_STRING("A brand new name").get(),
200	0, nsnull, /* groups (safearray)*/
201	nsnull, /* ostype */
202	nsnull, /* create flags */
203	nsnull, /* cipher */
204	nsnull, /* password id */
205	nsnull, /* password */
206	getter_AddRefs(machine));
207	if (NS_FAILED(rc))
208	{
209	printf("Error: could not create machine! rc=%#x\n", rc);
210	return;
211	}
212
213	/*
214	* Set some properties
215	*/
216	/* alternative to illustrate the use of string classes */
217	rc = machine->SetName(NS_ConvertUTF8toUTF16("A new name").get());
218	rc = machine->SetMemorySize(128);
219
220	/*
221	* Now a more advanced property -- the guest OS type. This is
222	* an object by itself which has to be found first. Note that we
223	* use the ID of the guest OS type here which is an internal
224	* representation (you can find that by configuring the OS type of
225	* a machine in the GUI and then looking at the <Guest ostype=""/>
226	* setting in the XML file. It is also possible to get the OS type from
227	* its description (win2k would be "Windows 2000") by getting the
228	* guest OS type collection and enumerating it.
229	*/
230	nsCOMPtr<IGuestOSType> osType;
231	rc = virtualBox->GetGuestOSType(NS_LITERAL_STRING("Windows2000").get(),
232	getter_AddRefs(osType));
233	if (NS_FAILED(rc))
234	{
235	printf("Error: could not find guest OS type! rc=%#x\n", rc);
236	}
237	else
238	{
239	machine->SetOSTypeId(NS_LITERAL_STRING("Windows2000").get());
240	}
241
242	/*
243	* Register the VM. Note that this call also saves the VM config
244	* to disk. It is also possible to save the VM settings but not
245	* register the VM.
246	*
247	* Also note that due to current VirtualBox limitations, the machine
248	* must be registered before we can attach hard disks to it.
249	*/
250	rc = virtualBox->RegisterMachine(machine);
251	if (NS_FAILED(rc))
252	{
253	printf("Error: could not register machine! rc=%#x\n", rc);
254	printErrorInfo();
255	return;
256	}
257
258	nsCOMPtr<IMachine> origMachine = machine;
259
260	/*
261	* In order to manipulate the registered machine, we must open a session
262	* for that machine. Do it now.
263	*/
264	nsCOMPtr<ISession> session;
265	nsCOMPtr<IMachine> sessionMachine;
266	{
267	nsCOMPtr<nsIComponentManager> manager;
268	rc = NS_GetComponentManager(getter_AddRefs(manager));
269	if (NS_FAILED(rc))
270	{
271	printf("Error: could not get component manager! rc=%#x\n", rc);
272	return;
273	}
274	rc = manager->CreateInstanceByContractID(NS_SESSION_CONTRACTID,
275	nsnull,
276	NS_GET_IID(ISession),
277	getter_AddRefs(session));
278	if (NS_FAILED(rc))
279	{
280	printf("Error, could not instantiate session object! rc=%#x\n", rc);
281	return;
282	}
283
284	rc = machine->LockMachine(session, LockType_Write);
285	if (NS_FAILED(rc))
286	{
287	printf("Error, could not lock the machine for the session! rc=%#x\n", rc);
288	return;
289	}
290
291	/*
292	* After the machine is registered, the initial machine object becomes
293	* immutable. In order to get a mutable machine object, we must query
294	* it from the opened session object.
295	*/
296	rc = session->GetMachine(getter_AddRefs(sessionMachine));
297	if (NS_FAILED(rc))
298	{
299	printf("Error, could not get machine session! rc=%#x\n", rc);
300	return;
301	}
302	}
303
304	/*
305	* Create a virtual harddisk
306	*/
307	nsCOMPtr<IMedium> hardDisk = 0;
308	rc = virtualBox->CreateMedium(NS_LITERAL_STRING("VDI").get(),
309	NS_LITERAL_STRING("/tmp/TestHardDisk.vdi").get(),
310	AccessMode_ReadWrite, DeviceType_HardDisk,
311	getter_AddRefs(hardDisk));
312	if (NS_FAILED(rc))
313	{
314	printf("Failed creating a hard disk object! rc=%#x\n", rc);
315	}
316	else
317	{
318	/*
319	* We have only created an object so far. No on disk representation exists
320	* because none of its properties has been set so far. Let's continue creating
321	* a dynamically expanding image.
322	*/
323	nsCOMPtr<IProgress> progress;
324	MediumVariant_T mediumVariants[] =
325	{ MediumVariant_Standard };
326	rc = hardDisk->CreateBaseStorage(100 * 1024 * 1024, // size in bytes
327	sizeof(mediumVariants) / sizeof(mediumVariants[0]), mediumVariants,
328	getter_AddRefs(progress)); // optional progress object
329	if (NS_FAILED(rc))
330	{
331	printf("Failed creating hard disk image! rc=%#x\n", rc);
332	}
333	else
334	{
335	/*
336	* Creating the image is done in the background because it can take quite
337	* some time (at least fixed size images). We have to wait for its completion.
338	* Here we wait forever (timeout -1) which is potentially dangerous.
339	*/
340	rc = progress->WaitForCompletion(-1);
341	PRInt32 resultCode;
342	progress->GetResultCode(&resultCode);
343	if (NS_FAILED(rc) \|\| NS_FAILED(resultCode))
344	{
345	printf("Error: could not create hard disk! rc=%#x\n",
346	NS_FAILED(rc) ? rc : resultCode);
347	}
348	else
349	{
350	/*
351	* Now that it's created, we can assign it to the VM.
352	*/
353	rc = sessionMachine->AttachDevice(
354	NS_LITERAL_STRING("IDE Controller").get(), // controller identifier
355	0, // channel number on the controller
356	0, // device number on the controller
357	DeviceType_HardDisk,
358	hardDisk);
359	if (NS_FAILED(rc))
360	{
361	printf("Error: could not attach hard disk! rc=%#x\n", rc);
362	}
363	}
364	}
365	}
366
367	/*
368	* It's got a hard disk but that one is new and thus not bootable. Make it
369	* boot from an ISO file. This requires some processing. First the ISO file
370	* has to be registered and then mounted to the VM's DVD drive and selected
371	* as the boot device.
372	*/
373	nsCOMPtr<IMedium> dvdImage;
374	rc = virtualBox->OpenMedium(NS_LITERAL_STRING("/home/vbox/isos/winnt4ger.iso").get(),
375	DeviceType_DVD,
376	AccessMode_ReadOnly,
377	false /* fForceNewUuid */,
378	getter_AddRefs(dvdImage));
379	if (NS_FAILED(rc))
380	printf("Error: could not open CD image! rc=%#x\n", rc);
381	else
382	{
383	/*
384	* Now assign it to our VM
385	*/
386	rc = sessionMachine->MountMedium(
387	NS_LITERAL_STRING("IDE Controller").get(), // controller identifier
388	2, // channel number on the controller
389	0, // device number on the controller
390	dvdImage,
391	PR_FALSE); // aForce
392	if (NS_FAILED(rc))
393	{
394	printf("Error: could not mount ISO image! rc=%#x\n", rc);
395	}
396	else
397	{
398	/*
399	* Last step: tell the VM to boot from the CD.
400	*/
401	rc = sessionMachine->SetBootOrder(1, DeviceType::DVD);
402	if (NS_FAILED(rc))
403	{
404	printf("Could not set boot device! rc=%#x\n", rc);
405	}
406	}
407	}
408
409	/*
410	* Save all changes we've just made.
411	*/
412	rc = sessionMachine->SaveSettings();
413	if (NS_FAILED(rc))
414	printf("Could not save machine settings! rc=%#x\n", rc);
415
416	/*
417	* It is always important to close the open session when it becomes not
418	* necessary any more.
419	*/
420	session->UnlockMachine();
421
422	IMedium **aMedia;
423	PRUint32 cMedia;
424	rc = machine->Unregister((CleanupMode_T)CleanupMode_DetachAllReturnHardDisksOnly,
425	&cMedia, &aMedia);
426	if (NS_FAILED(rc))
427	printf("Unregistering the machine failed! rc=%#x\n", rc);
428	else
429	{
430	nsCOMPtr<IProgress> pProgress;
431	rc = machine->DeleteConfig(cMedia, aMedia, getter_AddRefs(pProgress));
432	if (NS_FAILED(rc))
433	printf("Deleting of machine failed! rc=%#x\n", rc);
434	else
435	{
436	rc = pProgress->WaitForCompletion(-1);
437	PRInt32 resultCode;
438	pProgress->GetResultCode(&resultCode);
439	if (NS_FAILED(rc) \|\| NS_FAILED(resultCode))
440	printf("Failed to delete the machine! rc=%#x\n",
441	NS_FAILED(rc) ? rc : resultCode);
442	}
443
444	/* Release the media array: */
445	for (PRUint32 i = 0; i < cMedia; i++)
446	if (aMedia[i])
447	aMedia[i]->Release();
448	nsMemory::Free(aMedia);
449	}
450	}
451
452	// main
453	///////////////////////////////////////////////////////////////////////////////
454
455	int main(int argc, char **argv)
456	{
457	/*
458	* Check that PRUnichar is equal in size to what compiler composes L""
459	* strings from; otherwise NS_LITERAL_STRING macros won't work correctly
460	* and we will get a meaningless SIGSEGV. This, of course, must be checked
461	* at compile time in xpcom/string/nsTDependentString.h, but XPCOM lacks
462	* compile-time assert macros and I'm not going to add them now.
463	*/
464	if (sizeof(PRUnichar) != sizeof(wchar_t))
465	{
466	printf("Error: sizeof(PRUnichar) {%lu} != sizeof(wchar_t) {%lu}!\n"
467	"Probably, you forgot the -fshort-wchar compiler option.\n",
468	(unsigned long) sizeof(PRUnichar),
469	(unsigned long) sizeof(wchar_t));
470	return -1;
471	}
472
473	#if 1 /* Please ignore this! It is very very crude. */
474	# ifdef RTPATH_APP_PRIVATE_ARCH
475	if (!getenv("VBOX_XPCOM_HOME"))
476	setenv("VBOX_XPCOM_HOME", RTPATH_APP_PRIVATE_ARCH, 1);
477	# else
478	char szTmp[8192];
479	if (!getenv("VBOX_XPCOM_HOME"))
480	{
481	strcpy(szTmp, argv[0]);
482	*strrchr(szTmp, '/') = '\0';
483	strcat(szTmp, "/..");
484	fprintf(stderr, "tstVBoxAPIXPCOM: VBOX_XPCOM_HOME is not set, using '%s' instead\n", szTmp);
485	setenv("VBOX_XPCOM_HOME", szTmp, 1);
486	}
487	# endif
488	#endif
489	(void)argc; (void)argv;
490
491	nsresult rc;
492
493	/*
494	* This is the standard XPCOM init procedure.
495	* What we do is just follow the required steps to get an instance
496	* of our main interface, which is IVirtualBox.
497	*
498	* Note that we scope all nsCOMPtr variables in order to have all XPCOM
499	* objects automatically released before we call NS_ShutdownXPCOM at the
500	* end. This is an XPCOM requirement.
501	*/
502	{
503	nsCOMPtr<nsIServiceManager> serviceManager;
504	rc = NS_InitXPCOM2(getter_AddRefs(serviceManager), nsnull, nsnull);
505	if (NS_FAILED(rc))
506	{
507	printf("Error: XPCOM could not be initialized! rc=%#x\n", rc);
508	return -1;
509	}
510
511	#if 0
512	/*
513	* Register our components. This step is only necessary if this executable
514	* implements XPCOM components itself which is not the case for this
515	* simple example.
516	*/
517	nsCOMPtr<nsIComponentRegistrar> registrar = do_QueryInterface(serviceManager);
518	if (!registrar)
519	{
520	printf("Error: could not query nsIComponentRegistrar interface!\n");
521	return -1;
522	}
523	registrar->AutoRegister(nsnull);
524	#endif
525
526	/*
527	* Make sure the main event queue is created. This event queue is
528	* responsible for dispatching incoming XPCOM IPC messages. The main
529	* thread should run this event queue's loop during lengthy non-XPCOM
530	* operations to ensure messages from the VirtualBox server and other
531	* XPCOM IPC clients are processed. This use case doesn't perform such
532	* operations so it doesn't run the event loop.
533	*/
534	nsCOMPtr<nsIEventQueue> eventQ;
535	rc = NS_GetMainEventQ(getter_AddRefs(eventQ));
536	if (NS_FAILED(rc))
537	{
538	printf("Error: could not get main event queue! rc=%#x\n", rc);
539	return -1;
540	}
541
542	/*
543	* Now XPCOM is ready and we can start to do real work.
544	* IVirtualBox is the root interface of VirtualBox and will be
545	* retrieved from the XPCOM component manager. We use the
546	* XPCOM provided smart pointer nsCOMPtr for all objects because
547	* that's very convenient and removes the need deal with reference
548	* counting and freeing.
549	*/
550	nsCOMPtr<nsIComponentManager> manager;
551	rc = NS_GetComponentManager(getter_AddRefs(manager));
552	if (NS_FAILED(rc))
553	{
554	printf("Error: could not get component manager! rc=%#x\n", rc);
555	return -1;
556	}
557
558	nsCOMPtr<IVirtualBox> virtualBox;
559	rc = manager->CreateInstanceByContractID(NS_VIRTUALBOX_CONTRACTID,
560	nsnull,
561	NS_GET_IID(IVirtualBox),
562	getter_AddRefs(virtualBox));
563	if (NS_FAILED(rc))
564	{
565	printf("Error, could not instantiate VirtualBox object! rc=%#x\n", rc);
566	return -1;
567	}
568	printf("VirtualBox object created\n");
569
570	////////////////////////////////////////////////////////////////////////////////
571	////////////////////////////////////////////////////////////////////////////////
572	////////////////////////////////////////////////////////////////////////////////
573
574
575	listVMs(virtualBox);
576
577	createVM(virtualBox);
578
579
580	////////////////////////////////////////////////////////////////////////////////
581	////////////////////////////////////////////////////////////////////////////////
582	////////////////////////////////////////////////////////////////////////////////
583
584	/* this is enough to free the IVirtualBox instance -- smart pointers rule! */
585	virtualBox = nsnull;
586
587	/*
588	* Process events that might have queued up in the XPCOM event
589	* queue. If we don't process them, the server might hang.
590	*/
591	eventQ->ProcessPendingEvents();
592	}
593
594	/*
595	* Perform the standard XPCOM shutdown procedure.
596	*/
597	NS_ShutdownXPCOM(nsnull);
598	printf("Done!\n");
599	return 0;
600	}
601
602
603	//////////////////////////////////////////////////////////////////////////////////////////////////////
604	//// Helpers
605	//////////////////////////////////////////////////////////////////////////////////////////////////////
606
607	/**
608	* Helper function to convert an nsID into a human readable string
609	*
610	* @returns result string, allocated. Has to be freed using free()
611	* @param guid Pointer to nsID that will be converted.
612	*/
613	char nsIDToString(nsID guid)
614	{
615	char res = (char)malloc(39);
616
617	if (res != NULL)
618	{
619	snprintf(res, 39, "{%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}",
620	guid->m0, (PRUint32)guid->m1, (PRUint32)guid->m2,
621	(PRUint32)guid->m3[0], (PRUint32)guid->m3[1], (PRUint32)guid->m3[2],
622	(PRUint32)guid->m3[3], (PRUint32)guid->m3[4], (PRUint32)guid->m3[5],
623	(PRUint32)guid->m3[6], (PRUint32)guid->m3[7]);
624	}
625	return res;
626	}
627
628	/**
629	* Helper function to print XPCOM exception information set on the current
630	* thread after a failed XPCOM method call. This function will also print
631	* extended VirtualBox error info if it is available.
632	*/
633	void printErrorInfo()
634	{
635	nsresult rc;
636
637	nsCOMPtr<nsIExceptionService> es;
638	es = do_GetService(NS_EXCEPTIONSERVICE_CONTRACTID, &rc);
639	if (NS_SUCCEEDED(rc))
640	{
641	nsCOMPtr<nsIExceptionManager> em;
642	rc = es->GetCurrentExceptionManager(getter_AddRefs(em));
643	if (NS_SUCCEEDED(rc))
644	{
645	nsCOMPtr<nsIException> ex;
646	rc = em->GetCurrentException(getter_AddRefs(ex));
647	if (NS_SUCCEEDED(rc) && ex)
648	{
649	nsCOMPtr<IVirtualBoxErrorInfo> info;
650	info = do_QueryInterface(ex, &rc);
651	if (NS_SUCCEEDED(rc) && info)
652	{
653	/* got extended error info */
654	printf("Extended error info (IVirtualBoxErrorInfo):\n");
655	PRInt32 resultCode = NS_OK;
656	info->GetResultCode(&resultCode);
657	printf(" resultCode=%08X\n", resultCode);
658	nsXPIDLString component;
659	info->GetComponent(getter_Copies(component));
660	printf(" component=%s\n", NS_ConvertUTF16toUTF8(component).get());
661	nsXPIDLString text;
662	info->GetText(getter_Copies(text));
663	printf(" text=%s\n", NS_ConvertUTF16toUTF8(text).get());
664	}
665	else
666	{
667	/* got basic error info */
668	printf("Basic error info (nsIException):\n");
669	nsresult resultCode = NS_OK;
670	ex->GetResult(&resultCode);
671	printf(" resultCode=%08X\n", resultCode);
672	nsXPIDLCString message;
673	ex->GetMessage(getter_Copies(message));
674	printf(" message=%s\n", message.get());
675	}
676
677	/* reset the exception to NULL to indicate we've processed it */
678	em->SetCurrentException(NULL);
679
680	rc = NS_OK;
681	}
682	}
683	}
684	}

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source: vbox/trunk/src/VBox/Main/testcase/tstVBoxAPIXPCOM.cpp@ 100595

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