summaryrefslogtreecommitdiffstats
path: root/src/core/hle/service/filesystem/filesystem.h
blob: 48f37d289846e863a659b2dd85dd21650260bd27 (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
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later

#pragma once

#include <memory>
#include "common/common_types.h"
#include "core/file_sys/directory.h"
#include "core/file_sys/vfs.h"
#include "core/hle/result.h"

namespace Core {
class System;
}

namespace FileSys {
class BISFactory;
class NCA;
class RegisteredCache;
class RegisteredCacheUnion;
class PlaceholderCache;
class RomFSFactory;
class SaveDataFactory;
class SDMCFactory;
class XCI;

enum class BisPartitionId : u32;
enum class ContentRecordType : u8;
enum class Mode : u32;
enum class SaveDataSpaceId : u8;
enum class SaveDataType : u8;
enum class StorageId : u8;

struct SaveDataAttribute;
struct SaveDataSize;
} // namespace FileSys

namespace Service {

namespace SM {
class ServiceManager;
} // namespace SM

namespace FileSystem {

class RomFsController;
class SaveDataController;

enum class ContentStorageId : u32 {
    System,
    User,
    SdCard,
};

enum class ImageDirectoryId : u32 {
    NAND,
    SdCard,
};

enum class OpenDirectoryMode : u64 {
    Directory = (1 << 0),
    File = (1 << 1),
    All = Directory | File
};
DECLARE_ENUM_FLAG_OPERATORS(OpenDirectoryMode);

using ProcessId = u64;
using ProgramId = u64;

class FileSystemController {
public:
    explicit FileSystemController(Core::System& system_);
    ~FileSystemController();

    Result RegisterProcess(ProcessId process_id, ProgramId program_id,
                           std::shared_ptr<FileSys::RomFSFactory>&& factory);
    Result OpenProcess(ProgramId* out_program_id,
                       std::shared_ptr<SaveDataController>* out_save_data_controller,
                       std::shared_ptr<RomFsController>* out_romfs_controller,
                       ProcessId process_id);
    void SetPackedUpdate(ProcessId process_id, FileSys::VirtualFile update_raw);

    std::shared_ptr<SaveDataController> OpenSaveDataController();

    Result OpenSDMC(FileSys::VirtualDir* out_sdmc) const;
    Result OpenBISPartition(FileSys::VirtualDir* out_bis_partition,
                            FileSys::BisPartitionId id) const;
    Result OpenBISPartitionStorage(FileSys::VirtualFile* out_bis_partition_storage,
                                   FileSys::BisPartitionId id) const;

    u64 GetFreeSpaceSize(FileSys::StorageId id) const;
    u64 GetTotalSpaceSize(FileSys::StorageId id) const;

    void SetGameCard(FileSys::VirtualFile file);
    FileSys::XCI* GetGameCard() const;

    FileSys::RegisteredCache* GetSystemNANDContents() const;
    FileSys::RegisteredCache* GetUserNANDContents() const;
    FileSys::RegisteredCache* GetSDMCContents() const;
    FileSys::RegisteredCache* GetGameCardContents() const;

    FileSys::PlaceholderCache* GetSystemNANDPlaceholder() const;
    FileSys::PlaceholderCache* GetUserNANDPlaceholder() const;
    FileSys::PlaceholderCache* GetSDMCPlaceholder() const;
    FileSys::PlaceholderCache* GetGameCardPlaceholder() const;

    FileSys::RegisteredCache* GetRegisteredCacheForStorage(FileSys::StorageId id) const;
    FileSys::PlaceholderCache* GetPlaceholderCacheForStorage(FileSys::StorageId id) const;

    FileSys::VirtualDir GetSystemNANDContentDirectory() const;
    FileSys::VirtualDir GetUserNANDContentDirectory() const;
    FileSys::VirtualDir GetSDMCContentDirectory() const;

    FileSys::VirtualDir GetNANDImageDirectory() const;
    FileSys::VirtualDir GetSDMCImageDirectory() const;

    FileSys::VirtualDir GetContentDirectory(ContentStorageId id) const;
    FileSys::VirtualDir GetImageDirectory(ImageDirectoryId id) const;

    FileSys::VirtualDir GetSDMCModificationLoadRoot(u64 title_id) const;
    FileSys::VirtualDir GetModificationLoadRoot(u64 title_id) const;
    FileSys::VirtualDir GetModificationDumpRoot(u64 title_id) const;

    FileSys::VirtualDir GetBCATDirectory(u64 title_id) const;

    // Creates the SaveData, SDMC, and BIS Factories. Should be called once and before any function
    // above is called.
    void CreateFactories(FileSys::VfsFilesystem& vfs, bool overwrite = true);

    void Reset();

private:
    std::shared_ptr<FileSys::SaveDataFactory> CreateSaveDataFactory(ProgramId program_id);

    struct Registration {
        ProgramId program_id;
        std::shared_ptr<FileSys::RomFSFactory> romfs_factory;
        std::shared_ptr<FileSys::SaveDataFactory> save_data_factory;
    };

    std::mutex registration_lock;
    std::map<ProcessId, Registration> registrations;

    std::unique_ptr<FileSys::SDMCFactory> sdmc_factory;
    std::unique_ptr<FileSys::BISFactory> bis_factory;

    std::unique_ptr<FileSys::XCI> gamecard;
    std::unique_ptr<FileSys::RegisteredCache> gamecard_registered;
    std::unique_ptr<FileSys::PlaceholderCache> gamecard_placeholder;

    Core::System& system;
};

void LoopProcess(Core::System& system);

// A class that wraps a VfsDirectory with methods that return ResultVal and Result instead of
// pointers and booleans. This makes using a VfsDirectory with switch services much easier and
// avoids repetitive code.
class VfsDirectoryServiceWrapper {
public:
    explicit VfsDirectoryServiceWrapper(FileSys::VirtualDir backing);
    ~VfsDirectoryServiceWrapper();

    /**
     * Get a descriptive name for the archive (e.g. "RomFS", "SaveData", etc.)
     */
    std::string GetName() const;

    /**
     * Create a file specified by its path
     * @param path Path relative to the Archive
     * @param size The size of the new file, filled with zeroes
     * @return Result of the operation
     */
    Result CreateFile(const std::string& path, u64 size) const;

    /**
     * Delete a file specified by its path
     * @param path Path relative to the archive
     * @return Result of the operation
     */
    Result DeleteFile(const std::string& path) const;

    /**
     * Create a directory specified by its path
     * @param path Path relative to the archive
     * @return Result of the operation
     */
    Result CreateDirectory(const std::string& path) const;

    /**
     * Delete a directory specified by its path
     * @param path Path relative to the archive
     * @return Result of the operation
     */
    Result DeleteDirectory(const std::string& path) const;

    /**
     * Delete a directory specified by its path and anything under it
     * @param path Path relative to the archive
     * @return Result of the operation
     */
    Result DeleteDirectoryRecursively(const std::string& path) const;

    /**
     * Cleans the specified directory. This is similar to DeleteDirectoryRecursively,
     * in that it deletes all the contents of the specified directory, however, this
     * function does *not* delete the directory itself. It only deletes everything
     * within it.
     *
     * @param path Path relative to the archive.
     *
     * @return Result of the operation.
     */
    Result CleanDirectoryRecursively(const std::string& path) const;

    /**
     * Rename a File specified by its path
     * @param src_path Source path relative to the archive
     * @param dest_path Destination path relative to the archive
     * @return Result of the operation
     */
    Result RenameFile(const std::string& src_path, const std::string& dest_path) const;

    /**
     * Rename a Directory specified by its path
     * @param src_path Source path relative to the archive
     * @param dest_path Destination path relative to the archive
     * @return Result of the operation
     */
    Result RenameDirectory(const std::string& src_path, const std::string& dest_path) const;

    /**
     * Open a file specified by its path, using the specified mode
     * @param path Path relative to the archive
     * @param mode Mode to open the file with
     * @return Opened file, or error code
     */
    Result OpenFile(FileSys::VirtualFile* out_file, const std::string& path,
                    FileSys::Mode mode) const;

    /**
     * Open a directory specified by its path
     * @param path Path relative to the archive
     * @return Opened directory, or error code
     */
    Result OpenDirectory(FileSys::VirtualDir* out_directory, const std::string& path);

    /**
     * Get the type of the specified path
     * @return The type of the specified path or error code
     */
    Result GetEntryType(FileSys::EntryType* out_entry_type, const std::string& path) const;

    /**
     * Get the timestamp of the specified path
     * @return The timestamp of the specified path or error code
     */
    Result GetFileTimeStampRaw(FileSys::FileTimeStampRaw* out_time_stamp_raw,
                               const std::string& path) const;

private:
    FileSys::VirtualDir backing;
};

} // namespace FileSystem
} // namespace Service