summaryrefslogtreecommitdiffstats
path: root/src/core/hle/service/filesystem/filesystem.cpp
blob: adc1917aa8b2f4a2c899069451e358a84d57438a (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.

#include <utility>

#include "common/assert.h"
#include "common/file_util.h"
#include "core/core.h"
#include "core/file_sys/bis_factory.h"
#include "core/file_sys/card_image.h"
#include "core/file_sys/control_metadata.h"
#include "core/file_sys/errors.h"
#include "core/file_sys/mode.h"
#include "core/file_sys/partition_filesystem.h"
#include "core/file_sys/patch_manager.h"
#include "core/file_sys/registered_cache.h"
#include "core/file_sys/romfs_factory.h"
#include "core/file_sys/savedata_factory.h"
#include "core/file_sys/sdmc_factory.h"
#include "core/file_sys/vfs.h"
#include "core/file_sys/vfs_offset.h"
#include "core/hle/kernel/process.h"
#include "core/hle/service/filesystem/filesystem.h"
#include "core/hle/service/filesystem/fsp_ldr.h"
#include "core/hle/service/filesystem/fsp_pr.h"
#include "core/hle/service/filesystem/fsp_srv.h"
#include "core/loader/loader.h"

namespace Service::FileSystem {

// Size of emulated sd card free space, reported in bytes.
// Just using 32GB because thats reasonable
// TODO(DarkLordZach): Eventually make this configurable in settings.
constexpr u64 EMULATED_SD_REPORTED_SIZE = 32000000000;

// A default size for normal/journal save data size if application control metadata cannot be found.
// This should be large enough to satisfy even the most extreme requirements (~4.2GB)
constexpr u64 SUFFICIENT_SAVE_DATA_SIZE = 0xF0000000;

static FileSys::VirtualDir GetDirectoryRelativeWrapped(FileSys::VirtualDir base,
                                                       std::string_view dir_name_) {
    std::string dir_name(FileUtil::SanitizePath(dir_name_));
    if (dir_name.empty() || dir_name == "." || dir_name == "/" || dir_name == "\\")
        return base;

    return base->GetDirectoryRelative(dir_name);
}

VfsDirectoryServiceWrapper::VfsDirectoryServiceWrapper(FileSys::VirtualDir backing_)
    : backing(std::move(backing_)) {}

VfsDirectoryServiceWrapper::~VfsDirectoryServiceWrapper() = default;

std::string VfsDirectoryServiceWrapper::GetName() const {
    return backing->GetName();
}

ResultCode VfsDirectoryServiceWrapper::CreateFile(const std::string& path_, u64 size) const {
    std::string path(FileUtil::SanitizePath(path_));
    auto dir = GetDirectoryRelativeWrapped(backing, FileUtil::GetParentPath(path));
    auto file = dir->CreateFile(FileUtil::GetFilename(path));
    if (file == nullptr) {
        // TODO(DarkLordZach): Find a better error code for this
        return ResultCode(-1);
    }
    if (!file->Resize(size)) {
        // TODO(DarkLordZach): Find a better error code for this
        return ResultCode(-1);
    }
    return RESULT_SUCCESS;
}

ResultCode VfsDirectoryServiceWrapper::DeleteFile(const std::string& path_) const {
    std::string path(FileUtil::SanitizePath(path_));
    if (path.empty()) {
        // TODO(DarkLordZach): Why do games call this and what should it do? Works as is but...
        return RESULT_SUCCESS;
    }

    auto dir = GetDirectoryRelativeWrapped(backing, FileUtil::GetParentPath(path));
    if (dir->GetFile(FileUtil::GetFilename(path)) == nullptr) {
        return FileSys::ERROR_PATH_NOT_FOUND;
    }
    if (!dir->DeleteFile(FileUtil::GetFilename(path))) {
        // TODO(DarkLordZach): Find a better error code for this
        return ResultCode(-1);
    }

    return RESULT_SUCCESS;
}

ResultCode VfsDirectoryServiceWrapper::CreateDirectory(const std::string& path_) const {
    std::string path(FileUtil::SanitizePath(path_));
    auto dir = GetDirectoryRelativeWrapped(backing, FileUtil::GetParentPath(path));
    if (dir == nullptr && FileUtil::GetFilename(FileUtil::GetParentPath(path)).empty())
        dir = backing;
    auto new_dir = dir->CreateSubdirectory(FileUtil::GetFilename(path));
    if (new_dir == nullptr) {
        // TODO(DarkLordZach): Find a better error code for this
        return ResultCode(-1);
    }
    return RESULT_SUCCESS;
}

ResultCode VfsDirectoryServiceWrapper::DeleteDirectory(const std::string& path_) const {
    std::string path(FileUtil::SanitizePath(path_));
    auto dir = GetDirectoryRelativeWrapped(backing, FileUtil::GetParentPath(path));
    if (!dir->DeleteSubdirectory(FileUtil::GetFilename(path))) {
        // TODO(DarkLordZach): Find a better error code for this
        return ResultCode(-1);
    }
    return RESULT_SUCCESS;
}

ResultCode VfsDirectoryServiceWrapper::DeleteDirectoryRecursively(const std::string& path_) const {
    std::string path(FileUtil::SanitizePath(path_));
    auto dir = GetDirectoryRelativeWrapped(backing, FileUtil::GetParentPath(path));
    if (!dir->DeleteSubdirectoryRecursive(FileUtil::GetFilename(path))) {
        // TODO(DarkLordZach): Find a better error code for this
        return ResultCode(-1);
    }
    return RESULT_SUCCESS;
}

ResultCode VfsDirectoryServiceWrapper::CleanDirectoryRecursively(const std::string& path) const {
    const std::string sanitized_path(FileUtil::SanitizePath(path));
    auto dir = GetDirectoryRelativeWrapped(backing, FileUtil::GetParentPath(sanitized_path));

    if (!dir->CleanSubdirectoryRecursive(FileUtil::GetFilename(sanitized_path))) {
        // TODO(DarkLordZach): Find a better error code for this
        return ResultCode(-1);
    }

    return RESULT_SUCCESS;
}

ResultCode VfsDirectoryServiceWrapper::RenameFile(const std::string& src_path_,
                                                  const std::string& dest_path_) const {
    std::string src_path(FileUtil::SanitizePath(src_path_));
    std::string dest_path(FileUtil::SanitizePath(dest_path_));
    auto src = backing->GetFileRelative(src_path);
    if (FileUtil::GetParentPath(src_path) == FileUtil::GetParentPath(dest_path)) {
        // Use more-optimized vfs implementation rename.
        if (src == nullptr)
            return FileSys::ERROR_PATH_NOT_FOUND;
        if (!src->Rename(FileUtil::GetFilename(dest_path))) {
            // TODO(DarkLordZach): Find a better error code for this
            return ResultCode(-1);
        }
        return RESULT_SUCCESS;
    }

    // Move by hand -- TODO(DarkLordZach): Optimize
    auto c_res = CreateFile(dest_path, src->GetSize());
    if (c_res != RESULT_SUCCESS)
        return c_res;

    auto dest = backing->GetFileRelative(dest_path);
    ASSERT_MSG(dest != nullptr, "Newly created file with success cannot be found.");

    ASSERT_MSG(dest->WriteBytes(src->ReadAllBytes()) == src->GetSize(),
               "Could not write all of the bytes but everything else has succeded.");

    if (!src->GetContainingDirectory()->DeleteFile(FileUtil::GetFilename(src_path))) {
        // TODO(DarkLordZach): Find a better error code for this
        return ResultCode(-1);
    }

    return RESULT_SUCCESS;
}

ResultCode VfsDirectoryServiceWrapper::RenameDirectory(const std::string& src_path_,
                                                       const std::string& dest_path_) const {
    std::string src_path(FileUtil::SanitizePath(src_path_));
    std::string dest_path(FileUtil::SanitizePath(dest_path_));
    auto src = GetDirectoryRelativeWrapped(backing, src_path);
    if (FileUtil::GetParentPath(src_path) == FileUtil::GetParentPath(dest_path)) {
        // Use more-optimized vfs implementation rename.
        if (src == nullptr)
            return FileSys::ERROR_PATH_NOT_FOUND;
        if (!src->Rename(FileUtil::GetFilename(dest_path))) {
            // TODO(DarkLordZach): Find a better error code for this
            return ResultCode(-1);
        }
        return RESULT_SUCCESS;
    }

    // TODO(DarkLordZach): Implement renaming across the tree (move).
    ASSERT_MSG(false,
               "Could not rename directory with path \"{}\" to new path \"{}\" because parent dirs "
               "don't match -- UNIMPLEMENTED",
               src_path, dest_path);

    // TODO(DarkLordZach): Find a better error code for this
    return ResultCode(-1);
}

ResultVal<FileSys::VirtualFile> VfsDirectoryServiceWrapper::OpenFile(const std::string& path_,
                                                                     FileSys::Mode mode) const {
    const std::string path(FileUtil::SanitizePath(path_));
    std::string_view npath = path;
    while (!npath.empty() && (npath[0] == '/' || npath[0] == '\\')) {
        npath.remove_prefix(1);
    }

    auto file = backing->GetFileRelative(npath);
    if (file == nullptr) {
        return FileSys::ERROR_PATH_NOT_FOUND;
    }

    if (mode == FileSys::Mode::Append) {
        return MakeResult<FileSys::VirtualFile>(
            std::make_shared<FileSys::OffsetVfsFile>(file, 0, file->GetSize()));
    }

    return MakeResult<FileSys::VirtualFile>(file);
}

ResultVal<FileSys::VirtualDir> VfsDirectoryServiceWrapper::OpenDirectory(const std::string& path_) {
    std::string path(FileUtil::SanitizePath(path_));
    auto dir = GetDirectoryRelativeWrapped(backing, path);
    if (dir == nullptr) {
        // TODO(DarkLordZach): Find a better error code for this
        return FileSys::ERROR_PATH_NOT_FOUND;
    }
    return MakeResult(dir);
}

u64 VfsDirectoryServiceWrapper::GetFreeSpaceSize() const {
    if (backing->IsWritable())
        return EMULATED_SD_REPORTED_SIZE;

    return 0;
}

ResultVal<FileSys::EntryType> VfsDirectoryServiceWrapper::GetEntryType(
    const std::string& path_) const {
    std::string path(FileUtil::SanitizePath(path_));
    auto dir = GetDirectoryRelativeWrapped(backing, FileUtil::GetParentPath(path));
    if (dir == nullptr)
        return FileSys::ERROR_PATH_NOT_FOUND;
    auto filename = FileUtil::GetFilename(path);
    // TODO(Subv): Some games use the '/' path, find out what this means.
    if (filename.empty())
        return MakeResult(FileSys::EntryType::Directory);

    if (dir->GetFile(filename) != nullptr)
        return MakeResult(FileSys::EntryType::File);
    if (dir->GetSubdirectory(filename) != nullptr)
        return MakeResult(FileSys::EntryType::Directory);
    return FileSys::ERROR_PATH_NOT_FOUND;
}

ResultCode FileSystemController::RegisterRomFS(std::unique_ptr<FileSys::RomFSFactory>&& factory) {
    romfs_factory = std::move(factory);
    LOG_DEBUG(Service_FS, "Registered RomFS");
    return RESULT_SUCCESS;
}

ResultCode FileSystemController::RegisterSaveData(
    std::unique_ptr<FileSys::SaveDataFactory>&& factory) {
    ASSERT_MSG(save_data_factory == nullptr, "Tried to register a second save data");
    save_data_factory = std::move(factory);
    LOG_DEBUG(Service_FS, "Registered save data");
    return RESULT_SUCCESS;
}

ResultCode FileSystemController::RegisterSDMC(std::unique_ptr<FileSys::SDMCFactory>&& factory) {
    ASSERT_MSG(sdmc_factory == nullptr, "Tried to register a second SDMC");
    sdmc_factory = std::move(factory);
    LOG_DEBUG(Service_FS, "Registered SDMC");
    return RESULT_SUCCESS;
}

ResultCode FileSystemController::RegisterBIS(std::unique_ptr<FileSys::BISFactory>&& factory) {
    ASSERT_MSG(bis_factory == nullptr, "Tried to register a second BIS");
    bis_factory = std::move(factory);
    LOG_DEBUG(Service_FS, "Registered BIS");
    return RESULT_SUCCESS;
}

void FileSystemController::SetPackedUpdate(FileSys::VirtualFile update_raw) {
    LOG_TRACE(Service_FS, "Setting packed update for romfs");

    if (romfs_factory == nullptr)
        return;

    romfs_factory->SetPackedUpdate(std::move(update_raw));
}

ResultVal<FileSys::VirtualFile> FileSystemController::OpenRomFSCurrentProcess() {
    LOG_TRACE(Service_FS, "Opening RomFS for current process");

    if (romfs_factory == nullptr) {
        // TODO(bunnei): Find a better error code for this
        return ResultCode(-1);
    }

    return romfs_factory->OpenCurrentProcess();
}

ResultVal<FileSys::VirtualFile> FileSystemController::OpenRomFS(u64 title_id,
                                                                FileSys::StorageId storage_id,
                                                                FileSys::ContentRecordType type) {
    LOG_TRACE(Service_FS, "Opening RomFS for title_id={:016X}, storage_id={:02X}, type={:02X}",
              title_id, static_cast<u8>(storage_id), static_cast<u8>(type));

    if (romfs_factory == nullptr) {
        // TODO(bunnei): Find a better error code for this
        return ResultCode(-1);
    }

    return romfs_factory->Open(title_id, storage_id, type);
}

ResultVal<FileSys::VirtualDir> FileSystemController::CreateSaveData(
    FileSys::SaveDataSpaceId space, const FileSys::SaveDataDescriptor& save_struct) {
    LOG_TRACE(Service_FS, "Creating Save Data for space_id={:01X}, save_struct={}",
              static_cast<u8>(space), save_struct.DebugInfo());

    if (save_data_factory == nullptr) {
        return FileSys::ERROR_ENTITY_NOT_FOUND;
    }

    return save_data_factory->Create(space, save_struct);
}

ResultVal<FileSys::VirtualDir> FileSystemController::OpenSaveData(
    FileSys::SaveDataSpaceId space, const FileSys::SaveDataDescriptor& descriptor) {
    LOG_TRACE(Service_FS, "Opening Save Data for space_id={:01X}, save_struct={}",
              static_cast<u8>(space), descriptor.DebugInfo());

    if (save_data_factory == nullptr) {
        return FileSys::ERROR_ENTITY_NOT_FOUND;
    }

    return save_data_factory->Open(space, descriptor);
}

ResultVal<FileSys::VirtualDir> FileSystemController::OpenSaveDataSpace(
    FileSys::SaveDataSpaceId space) {
    LOG_TRACE(Service_FS, "Opening Save Data Space for space_id={:01X}", static_cast<u8>(space));

    if (save_data_factory == nullptr) {
        return FileSys::ERROR_ENTITY_NOT_FOUND;
    }

    return MakeResult(save_data_factory->GetSaveDataSpaceDirectory(space));
}

ResultVal<FileSys::VirtualDir> FileSystemController::OpenSDMC() {
    LOG_TRACE(Service_FS, "Opening SDMC");

    if (sdmc_factory == nullptr) {
        return FileSys::ERROR_SD_CARD_NOT_FOUND;
    }

    return sdmc_factory->Open();
}

ResultVal<FileSys::VirtualDir> FileSystemController::OpenBISPartition(FileSys::BisPartitionId id) {
    LOG_TRACE(Service_FS, "Opening BIS Partition with id={:08X}", static_cast<u32>(id));

    if (bis_factory == nullptr) {
        return FileSys::ERROR_ENTITY_NOT_FOUND;
    }

    auto part = bis_factory->OpenPartition(id);
    if (part == nullptr) {
        return FileSys::ERROR_INVALID_ARGUMENT;
    }

    return MakeResult<FileSys::VirtualDir>(std::move(part));
}

ResultVal<FileSys::VirtualFile> FileSystemController::OpenBISPartitionStorage(
    FileSys::BisPartitionId id) {
    LOG_TRACE(Service_FS, "Opening BIS Partition Storage with id={:08X}", static_cast<u32>(id));

    if (bis_factory == nullptr) {
        return FileSys::ERROR_ENTITY_NOT_FOUND;
    }

    auto part = bis_factory->OpenPartitionStorage(id);
    if (part == nullptr) {
        return FileSys::ERROR_INVALID_ARGUMENT;
    }

    return MakeResult<FileSys::VirtualFile>(std::move(part));
}

u64 FileSystemController::GetFreeSpaceSize(FileSys::StorageId id) const {
    switch (id) {
    case FileSys::StorageId::None:
    case FileSys::StorageId::GameCard:
        return 0;
    case FileSys::StorageId::SdCard:
        if (sdmc_factory == nullptr)
            return 0;
        return sdmc_factory->GetSDMCFreeSpace();
    case FileSys::StorageId::Host:
        if (bis_factory == nullptr)
            return 0;
        return bis_factory->GetSystemNANDFreeSpace() + bis_factory->GetUserNANDFreeSpace();
    case FileSys::StorageId::NandSystem:
        if (bis_factory == nullptr)
            return 0;
        return bis_factory->GetSystemNANDFreeSpace();
    case FileSys::StorageId::NandUser:
        if (bis_factory == nullptr)
            return 0;
        return bis_factory->GetUserNANDFreeSpace();
    }

    return 0;
}

u64 FileSystemController::GetTotalSpaceSize(FileSys::StorageId id) const {
    switch (id) {
    case FileSys::StorageId::None:
    case FileSys::StorageId::GameCard:
        return 0;
    case FileSys::StorageId::SdCard:
        if (sdmc_factory == nullptr)
            return 0;
        return sdmc_factory->GetSDMCTotalSpace();
    case FileSys::StorageId::Host:
        if (bis_factory == nullptr)
            return 0;
        return bis_factory->GetFullNANDTotalSpace();
    case FileSys::StorageId::NandSystem:
        if (bis_factory == nullptr)
            return 0;
        return bis_factory->GetSystemNANDTotalSpace();
    case FileSys::StorageId::NandUser:
        if (bis_factory == nullptr)
            return 0;
        return bis_factory->GetUserNANDTotalSpace();
    }

    return 0;
}

FileSys::SaveDataSize FileSystemController::ReadSaveDataSize(FileSys::SaveDataType type,
                                                             u64 title_id, u128 user_id) {
    if (save_data_factory == nullptr) {
        return {0, 0};
    }

    const auto value = save_data_factory->ReadSaveDataSize(type, title_id, user_id);

    if (value.normal == 0 && value.journal == 0) {
        FileSys::SaveDataSize new_size{SUFFICIENT_SAVE_DATA_SIZE, SUFFICIENT_SAVE_DATA_SIZE};

        FileSys::NACP nacp;
        const auto res = Core::System::GetInstance().GetAppLoader().ReadControlData(nacp);

        if (res != Loader::ResultStatus::Success) {
            FileSys::PatchManager pm{Core::CurrentProcess()->GetTitleID()};
            auto [nacp_unique, discard] = pm.GetControlMetadata();

            if (nacp_unique != nullptr) {
                new_size = {nacp_unique->GetDefaultNormalSaveSize(),
                            nacp_unique->GetDefaultJournalSaveSize()};
            }
        } else {
            new_size = {nacp.GetDefaultNormalSaveSize(), nacp.GetDefaultJournalSaveSize()};
        }

        WriteSaveDataSize(type, title_id, user_id, new_size);
        return new_size;
    }

    return value;
}

void FileSystemController::WriteSaveDataSize(FileSys::SaveDataType type, u64 title_id, u128 user_id,
                                             FileSys::SaveDataSize new_value) {
    if (save_data_factory != nullptr)
        save_data_factory->WriteSaveDataSize(type, title_id, user_id, new_value);
}

void FileSystemController::SetGameCard(FileSys::VirtualFile file) {
    gamecard = std::make_unique<FileSys::XCI>(file);
    const auto dir = gamecard->ConcatenatedPseudoDirectory();
    gamecard_registered = std::make_unique<FileSys::RegisteredCache>(dir);
    gamecard_placeholder = std::make_unique<FileSys::PlaceholderCache>(dir);
}

FileSys::XCI* FileSystemController::GetGameCard() {
    return gamecard.get();
}

FileSys::RegisteredCache* FileSystemController::GetGameCardContents() {
    return gamecard_registered.get();
}

FileSys::PlaceholderCache* FileSystemController::GetGameCardPlaceholder() {
    return gamecard_placeholder.get();
}

FileSys::RegisteredCache* FileSystemController::GetSystemNANDContents() {
    LOG_TRACE(Service_FS, "Opening System NAND Contents");

    if (bis_factory == nullptr)
        return nullptr;

    return bis_factory->GetSystemNANDContents();
}

FileSys::RegisteredCache* FileSystemController::GetUserNANDContents() {
    LOG_TRACE(Service_FS, "Opening User NAND Contents");

    if (bis_factory == nullptr)
        return nullptr;

    return bis_factory->GetUserNANDContents();
}

FileSys::RegisteredCache* FileSystemController::GetSDMCContents() {
    LOG_TRACE(Service_FS, "Opening SDMC Contents");

    if (sdmc_factory == nullptr)
        return nullptr;

    return sdmc_factory->GetSDMCContents();
}

FileSys::PlaceholderCache* FileSystemController::GetSystemNANDPlaceholder() {
    LOG_TRACE(Service_FS, "Opening System NAND Placeholder");

    if (bis_factory == nullptr)
        return nullptr;

    return bis_factory->GetSystemNANDPlaceholder();
}

FileSys::PlaceholderCache* FileSystemController::GetUserNANDPlaceholder() {
    LOG_TRACE(Service_FS, "Opening User NAND Placeholder");

    if (bis_factory == nullptr)
        return nullptr;

    return bis_factory->GetUserNANDPlaceholder();
}

FileSys::PlaceholderCache* FileSystemController::GetSDMCPlaceholder() {
    LOG_TRACE(Service_FS, "Opening SDMC Placeholder");

    if (sdmc_factory == nullptr)
        return nullptr;

    return sdmc_factory->GetSDMCPlaceholder();
}

FileSys::RegisteredCache* FileSystemController::GetRegisteredCacheForStorage(
    FileSys::StorageId id) {
    switch (id) {
    case FileSys::StorageId::None:
    case FileSys::StorageId::Host:
        UNIMPLEMENTED();
        return nullptr;
    case FileSys::StorageId::GameCard:
        return GetGameCardContents();
    case FileSys::StorageId::NandSystem:
        return GetSystemNANDContents();
    case FileSys::StorageId::NandUser:
        return GetUserNANDContents();
    case FileSys::StorageId::SdCard:
        return GetSDMCContents();
    }

    return nullptr;
}

FileSys::PlaceholderCache* FileSystemController::GetPlaceholderCacheForStorage(
    FileSys::StorageId id) {
    switch (id) {
    case FileSys::StorageId::None:
    case FileSys::StorageId::Host:
        UNIMPLEMENTED();
        return nullptr;
    case FileSys::StorageId::GameCard:
        return GetGameCardPlaceholder();
    case FileSys::StorageId::NandSystem:
        return GetSystemNANDPlaceholder();
    case FileSys::StorageId::NandUser:
        return GetUserNANDPlaceholder();
    case FileSys::StorageId::SdCard:
        return GetSDMCPlaceholder();
    }

    return nullptr;
}

FileSys::VirtualDir FileSystemController::GetSystemNANDContentDirectory() {
    LOG_TRACE(Service_FS, "Opening system NAND content directory");

    if (bis_factory == nullptr)
        return nullptr;

    return bis_factory->GetSystemNANDContentDirectory();
}

FileSys::VirtualDir FileSystemController::GetUserNANDContentDirectory() {
    LOG_TRACE(Service_FS, "Opening user NAND content directory");

    if (bis_factory == nullptr)
        return nullptr;

    return bis_factory->GetUserNANDContentDirectory();
}

FileSys::VirtualDir FileSystemController::GetSDMCContentDirectory() {
    LOG_TRACE(Service_FS, "Opening SDMC content directory");

    if (sdmc_factory == nullptr)
        return nullptr;

    return sdmc_factory->GetSDMCContentDirectory();
}

FileSys::VirtualDir FileSystemController::GetNANDImageDirectory() {
    LOG_TRACE(Service_FS, "Opening NAND image directory");

    if (bis_factory == nullptr)
        return nullptr;

    return bis_factory->GetImageDirectory();
}

FileSys::VirtualDir FileSystemController::GetSDMCImageDirectory() {
    LOG_TRACE(Service_FS, "Opening SDMC image directory");

    if (sdmc_factory == nullptr)
        return nullptr;

    return sdmc_factory->GetImageDirectory();
}

FileSys::VirtualDir FileSystemController::GetContentDirectory(ContentStorageId id) {
    switch (id) {
    case ContentStorageId::System:
        return GetSystemNANDContentDirectory();
    case ContentStorageId::User:
        return GetUserNANDContentDirectory();
    case ContentStorageId::SdCard:
        return GetSDMCContentDirectory();
    }

    return nullptr;
}

FileSys::VirtualDir FileSystemController::GetImageDirectory(ImageDirectoryId id) {
    switch (id) {
    case ImageDirectoryId::NAND:
        return GetNANDImageDirectory();
    case ImageDirectoryId::SdCard:
        return GetSDMCImageDirectory();
    }

    return nullptr;
}

FileSys::VirtualDir FileSystemController::GetModificationLoadRoot(u64 title_id) {
    LOG_TRACE(Service_FS, "Opening mod load root for tid={:016X}", title_id);

    if (bis_factory == nullptr)
        return nullptr;

    return bis_factory->GetModificationLoadRoot(title_id);
}

FileSys::VirtualDir FileSystemController::GetModificationDumpRoot(u64 title_id) {
    LOG_TRACE(Service_FS, "Opening mod dump root for tid={:016X}", title_id);

    if (bis_factory == nullptr)
        return nullptr;

    return bis_factory->GetModificationDumpRoot(title_id);
}

void FileSystemController::CreateFactories(FileSys::VfsFilesystem& vfs, bool overwrite) {
    if (overwrite) {
        bis_factory = nullptr;
        save_data_factory = nullptr;
        sdmc_factory = nullptr;
    }

    auto nand_directory = vfs.OpenDirectory(FileUtil::GetUserPath(FileUtil::UserPath::NANDDir),
                                            FileSys::Mode::ReadWrite);
    auto sd_directory = vfs.OpenDirectory(FileUtil::GetUserPath(FileUtil::UserPath::SDMCDir),
                                          FileSys::Mode::ReadWrite);
    auto load_directory = vfs.OpenDirectory(FileUtil::GetUserPath(FileUtil::UserPath::LoadDir),
                                            FileSys::Mode::ReadWrite);
    auto dump_directory = vfs.OpenDirectory(FileUtil::GetUserPath(FileUtil::UserPath::DumpDir),
                                            FileSys::Mode::ReadWrite);

    if (bis_factory == nullptr) {
        bis_factory =
            std::make_unique<FileSys::BISFactory>(nand_directory, load_directory, dump_directory);
        Core::System::GetInstance().RegisterContentProvider(
            FileSys::ContentProviderUnionSlot::SysNAND, bis_factory->GetSystemNANDContents());
        Core::System::GetInstance().RegisterContentProvider(
            FileSys::ContentProviderUnionSlot::UserNAND, bis_factory->GetUserNANDContents());
    }

    if (save_data_factory == nullptr) {
        save_data_factory = std::make_unique<FileSys::SaveDataFactory>(std::move(nand_directory));
    }

    if (sdmc_factory == nullptr) {
        sdmc_factory = std::make_unique<FileSys::SDMCFactory>(std::move(sd_directory));
        Core::System::GetInstance().RegisterContentProvider(FileSys::ContentProviderUnionSlot::SDMC,
                                                            sdmc_factory->GetSDMCContents());
    }
}

void InstallInterfaces(Core::System& system) {
    romfs_factory = nullptr;
    CreateFactories(*system.GetFilesystem(), false);
    std::make_shared<FSP_LDR>()->InstallAsService(system.ServiceManager());
    std::make_shared<FSP_PR>()->InstallAsService(system.ServiceManager());
    std::make_shared<FSP_SRV>(system.GetReporter())->InstallAsService(system.ServiceManager());
}

} // namespace Service::FileSystem