libroot/posix/stdio: Remove unused portions.
[haiku.git] / src / apps / installer / WorkerThread.cpp
blob66b69996eeb3b69e9b99a82aba9a9d09d96b22c0
1 /*
2 * Copyright 2009, Stephan Aßmus <superstippi@gmx.de>.
3 * Copyright 2005-2008, Jérôme DUVAL.
4 * All rights reserved. Distributed under the terms of the MIT License.
5 */
7 #include "WorkerThread.h"
9 #include <errno.h>
10 #include <stdio.h>
12 #include <set>
13 #include <string>
14 #include <strings.h>
16 #include <Alert.h>
17 #include <Autolock.h>
18 #include <Catalog.h>
19 #include <Directory.h>
20 #include <DiskDeviceVisitor.h>
21 #include <DiskDeviceTypes.h>
22 #include <FindDirectory.h>
23 #include <fs_index.h>
24 #include <Locale.h>
25 #include <Menu.h>
26 #include <MenuItem.h>
27 #include <Message.h>
28 #include <Messenger.h>
29 #include <Path.h>
30 #include <String.h>
31 #include <VolumeRoster.h>
33 #include "AutoLocker.h"
34 #include "CopyEngine.h"
35 #include "InstallerDefs.h"
36 #include "PackageViews.h"
37 #include "PartitionMenuItem.h"
38 #include "ProgressReporter.h"
39 #include "StringForSize.h"
40 #include "UnzipEngine.h"
43 #define B_TRANSLATION_CONTEXT "InstallProgress"
46 //#define COPY_TRACE
47 #ifdef COPY_TRACE
48 #define CALLED() printf("CALLED %s\n",__PRETTY_FUNCTION__)
49 #define ERR2(x, y...) fprintf(stderr, "WorkerThread: "x" %s\n", y, strerror(err))
50 #define ERR(x) fprintf(stderr, "WorkerThread: "x" %s\n", strerror(err))
51 #else
52 #define CALLED()
53 #define ERR(x)
54 #define ERR2(x, y...)
55 #endif
57 const char BOOT_PATH[] = "/boot";
59 const uint32 MSG_START_INSTALLING = 'eSRT';
62 class SourceVisitor : public BDiskDeviceVisitor {
63 public:
64 SourceVisitor(BMenu* menu);
65 virtual bool Visit(BDiskDevice* device);
66 virtual bool Visit(BPartition* partition, int32 level);
68 private:
69 BMenu* fMenu;
73 class TargetVisitor : public BDiskDeviceVisitor {
74 public:
75 TargetVisitor(BMenu* menu);
76 virtual bool Visit(BDiskDevice* device);
77 virtual bool Visit(BPartition* partition, int32 level);
79 private:
80 BMenu* fMenu;
84 // #pragma mark - WorkerThread
87 class WorkerThread::EntryFilter : public CopyEngine::EntryFilter {
88 public:
89 EntryFilter(const char* sourceDirectory)
91 fIgnorePaths(),
92 fSourceDevice(-1)
94 try {
95 fIgnorePaths.insert(kPackagesDirectoryPath);
96 fIgnorePaths.insert(kSourcesDirectoryPath);
97 fIgnorePaths.insert("rr_moved");
98 fIgnorePaths.insert("boot.catalog");
99 fIgnorePaths.insert("haiku-boot-floppy.image");
100 fIgnorePaths.insert("system/var/swap");
101 fIgnorePaths.insert("system/var/shared_memory");
103 fPackageFSRootPaths.insert("system");
104 fPackageFSRootPaths.insert("home/config");
105 } catch (std::bad_alloc&) {
108 struct stat st;
109 if (stat(sourceDirectory, &st) == 0)
110 fSourceDevice = st.st_dev;
113 virtual bool ShouldCopyEntry(const BEntry& entry, const char* path,
114 const struct stat& statInfo, int32 level) const
116 if (fIgnorePaths.find(path) != fIgnorePaths.end()) {
117 printf("ignoring '%s'.\n", path);
118 return false;
121 if (statInfo.st_dev != fSourceDevice) {
122 // Allow that only for the root of the packagefs mounts, since
123 // those contain directories that shine through from the
124 // underlying volume.
125 if (fPackageFSRootPaths.find(path) == fPackageFSRootPaths.end())
126 return false;
129 return true;
132 virtual bool ShouldClobberFolder(const BEntry& entry, const char* path,
133 const struct stat& statInfo, int32 level) const
135 if (level == 2 && S_ISDIR(statInfo.st_mode)
136 && strncmp("system/", path, 7) == 0
137 && strcmp("system/settings", path) != 0) {
138 // Replace everything in "system" besides "settings"
139 printf("clobbering '%s'.\n", path);
140 return true;
142 return false;
145 private:
146 typedef std::set<std::string> StringSet;
148 StringSet fIgnorePaths;
149 StringSet fPackageFSRootPaths;
150 dev_t fSourceDevice;
154 // #pragma mark - WorkerThread
157 WorkerThread::WorkerThread(const BMessenger& owner)
159 BLooper("copy_engine"),
160 fOwner(owner),
161 fPackages(NULL),
162 fSpaceRequired(0),
163 fCancelSemaphore(-1)
165 Run();
169 void
170 WorkerThread::MessageReceived(BMessage* message)
172 CALLED();
174 switch (message->what) {
175 case MSG_START_INSTALLING:
176 _PerformInstall(message->GetInt32("source", -1),
177 message->GetInt32("target", -1));
178 break;
180 case MSG_WRITE_BOOT_SECTOR:
182 int32 id;
183 if (message->FindInt32("id", &id) != B_OK) {
184 _SetStatusMessage(B_TRANSLATE("Boot sector not written "
185 "because of an internal error."));
186 break;
189 // TODO: Refactor with _PerformInstall()
190 BPath targetDirectory;
191 BDiskDevice device;
192 BPartition* partition;
194 if (fDDRoster.GetPartitionWithID(id, &device, &partition) == B_OK) {
195 if (!partition->IsMounted()) {
196 if (partition->Mount() < B_OK) {
197 _SetStatusMessage(B_TRANSLATE("The partition can't be "
198 "mounted. Please choose a different partition."));
199 break;
202 if (partition->GetMountPoint(&targetDirectory) != B_OK) {
203 _SetStatusMessage(B_TRANSLATE("The mount point could not "
204 "be retrieved."));
205 break;
207 } else if (fDDRoster.GetDeviceWithID(id, &device) == B_OK) {
208 if (!device.IsMounted()) {
209 if (device.Mount() < B_OK) {
210 _SetStatusMessage(B_TRANSLATE("The disk can't be "
211 "mounted. Please choose a different disk."));
212 break;
215 if (device.GetMountPoint(&targetDirectory) != B_OK) {
216 _SetStatusMessage(B_TRANSLATE("The mount point could not "
217 "be retrieved."));
218 break;
222 _LaunchFinishScript(targetDirectory);
223 // TODO: Get error from executing script!
224 _SetStatusMessage(
225 B_TRANSLATE("Boot sector successfully written."));
227 default:
228 BLooper::MessageReceived(message);
235 void
236 WorkerThread::ScanDisksPartitions(BMenu *srcMenu, BMenu *targetMenu)
238 // NOTE: This is actually executed in the window thread.
239 BDiskDevice device;
240 BPartition *partition = NULL;
242 printf("\nScanDisksPartitions source partitions begin\n");
243 SourceVisitor srcVisitor(srcMenu);
244 fDDRoster.VisitEachMountedPartition(&srcVisitor, &device, &partition);
246 printf("\nScanDisksPartitions target partitions begin\n");
247 TargetVisitor targetVisitor(targetMenu);
248 fDDRoster.VisitEachPartition(&targetVisitor, &device, &partition);
252 void
253 WorkerThread::SetPackagesList(BList *list)
255 // Executed in window thread.
256 BAutolock _(this);
258 delete fPackages;
259 fPackages = list;
263 void
264 WorkerThread::StartInstall(partition_id sourcePartitionID,
265 partition_id targetPartitionID)
267 // Executed in window thread.
268 BMessage message(MSG_START_INSTALLING);
269 message.AddInt32("source", sourcePartitionID);
270 message.AddInt32("target", targetPartitionID);
272 PostMessage(&message, this);
276 void
277 WorkerThread::WriteBootSector(BMenu* targetMenu)
279 // Executed in window thread.
280 CALLED();
282 PartitionMenuItem* item = (PartitionMenuItem*)targetMenu->FindMarked();
283 if (item == NULL) {
284 ERR("bad menu items\n");
285 return;
288 BMessage message(MSG_WRITE_BOOT_SECTOR);
289 message.AddInt32("id", item->ID());
290 PostMessage(&message, this);
294 // #pragma mark -
297 void
298 WorkerThread::_LaunchInitScript(BPath &path)
300 BPath bootPath;
301 find_directory(B_BEOS_BOOT_DIRECTORY, &bootPath);
302 BString command("/bin/sh ");
303 command += bootPath.Path();
304 command += "/InstallerInitScript ";
305 command += "\"";
306 command += path.Path();
307 command += "\"";
308 _SetStatusMessage(B_TRANSLATE("Starting Installation."));
309 system(command.String());
313 void
314 WorkerThread::_LaunchFinishScript(BPath &path)
316 BPath bootPath;
317 find_directory(B_BEOS_BOOT_DIRECTORY, &bootPath);
318 BString command("/bin/sh ");
319 command += bootPath.Path();
320 command += "/InstallerFinishScript ";
321 command += "\"";
322 command += path.Path();
323 command += "\"";
324 _SetStatusMessage(B_TRANSLATE("Finishing Installation."));
325 system(command.String());
329 status_t
330 WorkerThread::_PerformInstall(partition_id sourcePartitionID,
331 partition_id targetPartitionID)
333 CALLED();
335 BPath targetDirectory;
336 BPath srcDirectory;
337 BPath trashPath;
338 BPath testPath;
339 BDirectory targetDir;
340 BDiskDevice device;
341 BPartition* partition;
342 BVolume targetVolume;
343 status_t err = B_OK;
344 int32 entries = 0;
345 entry_ref testRef;
346 const char* mountError = B_TRANSLATE("The disk can't be mounted. Please "
347 "choose a different disk.");
349 if (sourcePartitionID < 0 || targetPartitionID < 0) {
350 ERR("bad source or target partition ID\n");
351 return _InstallationError(err);
354 // check if target is initialized
355 // ask if init or mount as is
356 if (fDDRoster.GetPartitionWithID(targetPartitionID, &device,
357 &partition) == B_OK) {
358 if (!partition->IsMounted()) {
359 if ((err = partition->Mount()) < B_OK) {
360 _SetStatusMessage(mountError);
361 ERR("BPartition::Mount");
362 return _InstallationError(err);
365 if ((err = partition->GetVolume(&targetVolume)) != B_OK) {
366 ERR("BPartition::GetVolume");
367 return _InstallationError(err);
369 if ((err = partition->GetMountPoint(&targetDirectory)) != B_OK) {
370 ERR("BPartition::GetMountPoint");
371 return _InstallationError(err);
373 } else if (fDDRoster.GetDeviceWithID(targetPartitionID, &device) == B_OK) {
374 if (!device.IsMounted()) {
375 if ((err = device.Mount()) < B_OK) {
376 _SetStatusMessage(mountError);
377 ERR("BDiskDevice::Mount");
378 return _InstallationError(err);
381 if ((err = device.GetVolume(&targetVolume)) != B_OK) {
382 ERR("BDiskDevice::GetVolume");
383 return _InstallationError(err);
385 if ((err = device.GetMountPoint(&targetDirectory)) != B_OK) {
386 ERR("BDiskDevice::GetMountPoint");
387 return _InstallationError(err);
389 } else
390 return _InstallationError(err); // shouldn't happen
392 // check if target has enough space
393 if (fSpaceRequired > 0 && targetVolume.FreeBytes() < fSpaceRequired) {
394 BAlert* alert = new BAlert("", B_TRANSLATE("The destination disk may "
395 "not have enough space. Try choosing a different disk or choose "
396 "to not install optional items."),
397 B_TRANSLATE("Try installing anyway"), B_TRANSLATE("Cancel"), 0,
398 B_WIDTH_AS_USUAL, B_STOP_ALERT);
399 alert->SetShortcut(1, B_ESCAPE);
400 if (alert->Go() != 0)
401 return _InstallationError(err);
404 if (fDDRoster.GetPartitionWithID(sourcePartitionID, &device, &partition)
405 == B_OK) {
406 if ((err = partition->GetMountPoint(&srcDirectory)) != B_OK) {
407 ERR("BPartition::GetMountPoint");
408 return _InstallationError(err);
410 } else if (fDDRoster.GetDeviceWithID(sourcePartitionID, &device) == B_OK) {
411 if ((err = device.GetMountPoint(&srcDirectory)) != B_OK) {
412 ERR("BDiskDevice::GetMountPoint");
413 return _InstallationError(err);
415 } else
416 return _InstallationError(err); // shouldn't happen
418 // check not installing on itself
419 if (strcmp(srcDirectory.Path(), targetDirectory.Path()) == 0) {
420 _SetStatusMessage(B_TRANSLATE("You can't install the contents of a "
421 "disk onto itself. Please choose a different disk."));
422 return _InstallationError(err);
425 // check not installing on boot volume
426 if (strncmp(BOOT_PATH, targetDirectory.Path(), strlen(BOOT_PATH)) == 0) {
427 BAlert* alert = new BAlert("", B_TRANSLATE("Are you sure you want to "
428 "install onto the current boot disk? The Installer will have to "
429 "reboot your machine if you proceed."), B_TRANSLATE("OK"),
430 B_TRANSLATE("Cancel"), 0, B_WIDTH_AS_USUAL, B_STOP_ALERT);
431 alert->SetShortcut(1, B_ESCAPE);
432 if (alert->Go() != 0) {
433 _SetStatusMessage("Installation stopped.");
434 return _InstallationError(err);
438 // check if target volume's trash dir has anything in it
439 // (target volume w/ only an empty trash dir is considered
440 // an empty volume)
441 if (find_directory(B_TRASH_DIRECTORY, &trashPath, false,
442 &targetVolume) == B_OK && targetDir.SetTo(trashPath.Path()) == B_OK) {
443 while (targetDir.GetNextRef(&testRef) == B_OK) {
444 // Something in the Trash
445 entries++;
446 break;
450 targetDir.SetTo(targetDirectory.Path());
452 // check if target volume otherwise has any entries
453 while (entries == 0 && targetDir.GetNextRef(&testRef) == B_OK) {
454 if (testPath.SetTo(&testRef) == B_OK && testPath != trashPath)
455 entries++;
458 if (entries != 0) {
459 BAlert* alert = new BAlert("", B_TRANSLATE("The target volume is not "
460 "empty. Are you sure you want to install anyway?\n\nNote: The "
461 "'system' folder will be a clean copy from the source volume but "
462 "will retain its settings folder, all other folders will be "
463 "merged, whereas files and links that exist on both the source "
464 "and target volume will be overwritten with the source volume "
465 "version."),
466 B_TRANSLATE("Install anyway"), B_TRANSLATE("Cancel"), 0,
467 B_WIDTH_AS_USUAL, B_STOP_ALERT);
468 alert->SetShortcut(1, B_ESCAPE);
469 if (alert->Go() != 0) {
470 // TODO: Would be cool to offer the option here to clean additional
471 // folders at the user's choice.
472 return _InstallationError(B_CANCELED);
476 // Begin actual installation
478 ProgressReporter reporter(fOwner, new BMessage(MSG_STATUS_MESSAGE));
479 EntryFilter entryFilter(srcDirectory.Path());
480 CopyEngine engine(&reporter, &entryFilter);
481 BList unzipEngines;
483 _LaunchInitScript(targetDirectory);
485 // Create the default indices which should always be present on a proper
486 // boot volume. We don't care if the source volume does not have them.
487 // After all, the user might be re-installing to another drive and may
488 // want problems fixed along the way...
489 err = _CreateDefaultIndices(targetDirectory);
490 if (err != B_OK)
491 return _InstallationError(err);
492 // Mirror all the indices which are present on the source volume onto
493 // the target volume.
494 err = _MirrorIndices(srcDirectory, targetDirectory);
495 if (err != B_OK)
496 return _InstallationError(err);
498 // Let the engine collect information for the progress bar later on
499 engine.ResetTargets(srcDirectory.Path());
500 err = engine.CollectTargets(srcDirectory.Path(), fCancelSemaphore);
501 if (err != B_OK)
502 return _InstallationError(err);
504 // Collect selected packages also
505 if (fPackages) {
506 BPath pkgRootDir(srcDirectory.Path(), kPackagesDirectoryPath);
507 int32 count = fPackages->CountItems();
508 for (int32 i = 0; i < count; i++) {
509 Package *p = static_cast<Package*>(fPackages->ItemAt(i));
510 BPath packageDir(pkgRootDir.Path(), p->Folder());
511 err = engine.CollectTargets(packageDir.Path(), fCancelSemaphore);
512 if (err != B_OK)
513 return _InstallationError(err);
517 // collect information about all zip packages
518 err = _ProcessZipPackages(srcDirectory.Path(), targetDirectory.Path(),
519 &reporter, unzipEngines);
520 if (err != B_OK)
521 return _InstallationError(err);
523 reporter.StartTimer();
525 // copy source volume
526 err = engine.CopyFolder(srcDirectory.Path(), targetDirectory.Path(),
527 fCancelSemaphore);
528 if (err != B_OK)
529 return _InstallationError(err);
531 // copy selected packages
532 if (fPackages) {
533 BPath pkgRootDir(srcDirectory.Path(), kPackagesDirectoryPath);
534 int32 count = fPackages->CountItems();
535 for (int32 i = 0; i < count; i++) {
536 Package *p = static_cast<Package*>(fPackages->ItemAt(i));
537 BPath packageDir(pkgRootDir.Path(), p->Folder());
538 err = engine.CopyFolder(packageDir.Path(), targetDirectory.Path(),
539 fCancelSemaphore);
540 if (err != B_OK)
541 return _InstallationError(err);
545 // Extract all zip packages. If an error occured, delete the rest of
546 // the engines, but stop extracting.
547 for (int32 i = 0; i < unzipEngines.CountItems(); i++) {
548 UnzipEngine* engine = reinterpret_cast<UnzipEngine*>(
549 unzipEngines.ItemAtFast(i));
550 if (err == B_OK)
551 err = engine->UnzipPackage();
552 delete engine;
554 if (err != B_OK)
555 return _InstallationError(err);
557 _LaunchFinishScript(targetDirectory);
559 fOwner.SendMessage(MSG_INSTALL_FINISHED);
560 return B_OK;
564 status_t
565 WorkerThread::_InstallationError(status_t error)
567 BMessage statusMessage(MSG_RESET);
568 if (error == B_CANCELED)
569 _SetStatusMessage(B_TRANSLATE("Installation canceled."));
570 else
571 statusMessage.AddInt32("error", error);
572 ERR("_PerformInstall failed");
573 fOwner.SendMessage(&statusMessage);
574 return error;
578 status_t
579 WorkerThread::_MirrorIndices(const BPath& sourceDirectory,
580 const BPath& targetDirectory) const
582 dev_t sourceDevice = dev_for_path(sourceDirectory.Path());
583 if (sourceDevice < 0)
584 return (status_t)sourceDevice;
585 dev_t targetDevice = dev_for_path(targetDirectory.Path());
586 if (targetDevice < 0)
587 return (status_t)targetDevice;
588 DIR* indices = fs_open_index_dir(sourceDevice);
589 if (indices == NULL) {
590 printf("%s: fs_open_index_dir(): (%d) %s\n", sourceDirectory.Path(),
591 errno, strerror(errno));
592 // Opening the index directory will fail for example on ISO-Live
593 // CDs. The default indices have already been created earlier, so
594 // we simply bail.
595 return B_OK;
597 while (dirent* index = fs_read_index_dir(indices)) {
598 if (strcmp(index->d_name, "name") == 0
599 || strcmp(index->d_name, "size") == 0
600 || strcmp(index->d_name, "last_modified") == 0) {
601 continue;
604 index_info info;
605 if (fs_stat_index(sourceDevice, index->d_name, &info) != B_OK) {
606 printf("Failed to mirror index %s: fs_stat_index(): (%d) %s\n",
607 index->d_name, errno, strerror(errno));
608 continue;
611 uint32 flags = 0;
612 // Flags are always 0 for the moment.
613 if (fs_create_index(targetDevice, index->d_name, info.type, flags)
614 != B_OK) {
615 if (errno == B_FILE_EXISTS)
616 continue;
617 printf("Failed to mirror index %s: fs_create_index(): (%d) %s\n",
618 index->d_name, errno, strerror(errno));
619 continue;
622 fs_close_index_dir(indices);
623 return B_OK;
627 status_t
628 WorkerThread::_CreateDefaultIndices(const BPath& targetDirectory) const
630 dev_t targetDevice = dev_for_path(targetDirectory.Path());
631 if (targetDevice < 0)
632 return (status_t)targetDevice;
634 struct IndexInfo {
635 const char* name;
636 uint32_t type;
639 const IndexInfo defaultIndices[] = {
640 { "BEOS:APP_SIG", B_STRING_TYPE },
641 { "BEOS:LOCALE_LANGUAGE", B_STRING_TYPE },
642 { "BEOS:LOCALE_SIGNATURE", B_STRING_TYPE },
643 { "_trk/qrylastchange", B_INT32_TYPE },
644 { "_trk/recentQuery", B_INT32_TYPE },
645 { "be:deskbar_item_status", B_STRING_TYPE }
648 uint32 flags = 0;
649 // Flags are always 0 for the moment.
651 for (uint32 i = 0; i < sizeof(defaultIndices) / sizeof(IndexInfo); i++) {
652 const IndexInfo& info = defaultIndices[i];
653 if (fs_create_index(targetDevice, info.name, info.type, flags)
654 != B_OK) {
655 if (errno == B_FILE_EXISTS)
656 continue;
657 printf("Failed to create index %s: fs_create_index(): (%d) %s\n",
658 info.name, errno, strerror(errno));
659 return errno;
663 return B_OK;
667 status_t
668 WorkerThread::_ProcessZipPackages(const char* sourcePath,
669 const char* targetPath, ProgressReporter* reporter, BList& unzipEngines)
671 // TODO: Put those in the optional packages list view
672 // TODO: Implement mechanism to handle dependencies between these
673 // packages. (Selecting one will auto-select others.)
674 BPath pkgRootDir(sourcePath, kPackagesDirectoryPath);
675 BDirectory directory(pkgRootDir.Path());
676 BEntry entry;
677 while (directory.GetNextEntry(&entry) == B_OK) {
678 char name[B_FILE_NAME_LENGTH];
679 if (entry.GetName(name) != B_OK)
680 continue;
681 int nameLength = strlen(name);
682 if (nameLength <= 0)
683 continue;
684 char* nameExtension = name + nameLength - 4;
685 if (strcasecmp(nameExtension, ".zip") != 0)
686 continue;
687 printf("found .zip package: %s\n", name);
689 UnzipEngine* unzipEngine = new(std::nothrow) UnzipEngine(reporter,
690 fCancelSemaphore);
691 if (unzipEngine == NULL || !unzipEngines.AddItem(unzipEngine)) {
692 delete unzipEngine;
693 return B_NO_MEMORY;
695 BPath path;
696 entry.GetPath(&path);
697 status_t ret = unzipEngine->SetTo(path.Path(), targetPath);
698 if (ret != B_OK)
699 return ret;
701 reporter->AddItems(unzipEngine->ItemsToUncompress(),
702 unzipEngine->BytesToUncompress());
705 return B_OK;
709 void
710 WorkerThread::_SetStatusMessage(const char *status)
712 BMessage msg(MSG_STATUS_MESSAGE);
713 msg.AddString("status", status);
714 fOwner.SendMessage(&msg);
718 static void
719 make_partition_label(BPartition* partition, char* label, char* menuLabel,
720 bool showContentType)
722 char size[20];
723 string_for_size(partition->Size(), size, sizeof(size));
725 BPath path;
726 partition->GetPath(&path);
728 if (showContentType) {
729 const char* type = partition->ContentType();
730 if (type == NULL)
731 type = B_TRANSLATE_COMMENT("Unknown Type", "Partition content type");
733 sprintf(label, "%s - %s [%s] (%s)", partition->ContentName(), size,
734 path.Path(), type);
735 } else {
736 sprintf(label, "%s - %s [%s]", partition->ContentName(), size,
737 path.Path());
740 sprintf(menuLabel, "%s - %s", partition->ContentName(), size);
744 // #pragma mark - SourceVisitor
747 SourceVisitor::SourceVisitor(BMenu *menu)
748 : fMenu(menu)
752 bool
753 SourceVisitor::Visit(BDiskDevice *device)
755 return Visit(device, 0);
759 bool
760 SourceVisitor::Visit(BPartition *partition, int32 level)
762 BPath path;
763 if (partition->GetPath(&path) == B_OK)
764 printf("SourceVisitor::Visit(BPartition *) : %s\n", path.Path());
765 printf("SourceVisitor::Visit(BPartition *) : %s\n",
766 partition->ContentName());
768 if (partition->ContentType() == NULL)
769 return false;
771 bool isBootPartition = false;
772 if (partition->IsMounted()) {
773 BPath mountPoint;
774 partition->GetMountPoint(&mountPoint);
775 isBootPartition = strcmp(BOOT_PATH, mountPoint.Path()) == 0;
778 if (!isBootPartition
779 && strcmp(partition->ContentType(), kPartitionTypeBFS) != 0) {
780 // Except only BFS partitions, except this is the boot partition
781 // (ISO9660 with write overlay for example).
782 return false;
785 // TODO: We could probably check if this volume contains
786 // the Haiku kernel or something. Does it make sense to "install"
787 // from your BFS volume containing the music collection?
788 // TODO: Then the check for BFS could also be removed above.
790 char label[255];
791 char menuLabel[255];
792 make_partition_label(partition, label, menuLabel, false);
793 PartitionMenuItem* item = new PartitionMenuItem(partition->ContentName(),
794 label, menuLabel, new BMessage(SOURCE_PARTITION), partition->ID());
795 item->SetMarked(isBootPartition);
796 fMenu->AddItem(item);
797 return false;
801 // #pragma mark - TargetVisitor
804 TargetVisitor::TargetVisitor(BMenu *menu)
805 : fMenu(menu)
810 bool
811 TargetVisitor::Visit(BDiskDevice *device)
813 if (device->IsReadOnlyMedia())
814 return false;
815 return Visit(device, 0);
819 bool
820 TargetVisitor::Visit(BPartition *partition, int32 level)
822 BPath path;
823 if (partition->GetPath(&path) == B_OK)
824 printf("TargetVisitor::Visit(BPartition *) : %s\n", path.Path());
825 printf("TargetVisitor::Visit(BPartition *) : %s\n",
826 partition->ContentName());
828 if (partition->ContentSize() < 20 * 1024 * 1024) {
829 // reject partitions which are too small anyway
830 // TODO: Could depend on the source size
831 printf(" too small\n");
832 return false;
835 if (partition->CountChildren() > 0) {
836 // Looks like an extended partition, or the device itself.
837 // Do not accept this as target...
838 printf(" no leaf partition\n");
839 return false;
842 // TODO: After running DriveSetup and doing another scan, it would
843 // be great to pick the partition which just appeared!
845 bool isBootPartition = false;
846 if (partition->IsMounted()) {
847 BPath mountPoint;
848 partition->GetMountPoint(&mountPoint);
849 isBootPartition = strcmp(BOOT_PATH, mountPoint.Path()) == 0;
852 // Only non-boot BFS partitions are valid targets, but we want to display the
853 // other partitions as well, in order not to irritate the user.
854 bool isValidTarget = isBootPartition == false
855 && partition->ContentType() != NULL
856 && strcmp(partition->ContentType(), kPartitionTypeBFS) == 0;
858 char label[255];
859 char menuLabel[255];
860 make_partition_label(partition, label, menuLabel, !isValidTarget);
861 PartitionMenuItem* item = new PartitionMenuItem(partition->ContentName(),
862 label, menuLabel, new BMessage(TARGET_PARTITION), partition->ID());
864 item->SetIsValidTarget(isValidTarget);
867 fMenu->AddItem(item);
868 return false;