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-rw-r--r--src/core/file_sys/disk_archive.cpp147
-rw-r--r--src/core/file_sys/disk_archive.h32
2 files changed, 0 insertions, 179 deletions
diff --git a/src/core/file_sys/disk_archive.cpp b/src/core/file_sys/disk_archive.cpp
index 0e51fd1a6..a243d9a13 100644
--- a/src/core/file_sys/disk_archive.cpp
+++ b/src/core/file_sys/disk_archive.cpp
@@ -15,153 +15,6 @@
15 15
16namespace FileSys { 16namespace FileSys {
17 17
18ResultVal<std::unique_ptr<FileBackend>> DiskArchive::OpenFile(const Path& path,
19 const Mode& mode) const {
20 LOG_DEBUG(Service_FS, "called path=%s mode=%01X", path.DebugStr().c_str(), mode.hex);
21
22 auto full_path = mount_point + path.AsString();
23 if (FileUtil::IsDirectory(full_path))
24 return ResultCode(ErrorDescription::FS_NotAFile, ErrorModule::FS, ErrorSummary::Canceled,
25 ErrorLevel::Status);
26
27 // Specifying only the Create flag is invalid
28 if (mode.create_flag && !mode.read_flag && !mode.write_flag) {
29 return ResultCode(ErrorDescription::FS_InvalidOpenFlags, ErrorModule::FS,
30 ErrorSummary::Canceled, ErrorLevel::Status);
31 }
32
33 if (!FileUtil::Exists(full_path)) {
34 if (!mode.create_flag) {
35 LOG_ERROR(Service_FS, "Non-existing file %s can't be open without mode create.",
36 full_path.c_str());
37 return ResultCode(ErrorDescription::FS_NotFound, ErrorModule::FS,
38 ErrorSummary::NotFound, ErrorLevel::Status);
39 } else {
40 // Create the file
41 FileUtil::CreateEmptyFile(full_path);
42 }
43 }
44
45 std::string mode_string = "";
46 if (mode.write_flag)
47 mode_string += "r+"; // Files opened with Write access can be read from
48 else if (mode.read_flag)
49 mode_string += "r";
50
51 // Open the file in binary mode, to avoid problems with CR/LF on Windows systems
52 mode_string += "b";
53
54 FileUtil::IOFile file(full_path, mode_string.c_str());
55 if (!file.IsOpen())
56 return ResultCode(ErrorDescription::FS_NotFound, ErrorModule::FS, ErrorSummary::NotFound,
57 ErrorLevel::Status);
58
59 auto disk_file = std::make_unique<DiskFile>(std::move(file), mode);
60 return MakeResult<std::unique_ptr<FileBackend>>(std::move(disk_file));
61}
62
63ResultCode DiskArchive::DeleteFile(const Path& path) const {
64 std::string file_path = mount_point + path.AsString();
65
66 if (FileUtil::IsDirectory(file_path))
67 return ResultCode(ErrorDescription::FS_NotAFile, ErrorModule::FS, ErrorSummary::Canceled,
68 ErrorLevel::Status);
69
70 if (!FileUtil::Exists(file_path))
71 return ResultCode(ErrorDescription::FS_NotFound, ErrorModule::FS, ErrorSummary::NotFound,
72 ErrorLevel::Status);
73
74 if (FileUtil::Delete(file_path))
75 return RESULT_SUCCESS;
76
77 return ResultCode(ErrorDescription::FS_NotAFile, ErrorModule::FS, ErrorSummary::Canceled,
78 ErrorLevel::Status);
79}
80
81ResultCode DiskArchive::RenameFile(const Path& src_path, const Path& dest_path) const {
82 if (FileUtil::Rename(mount_point + src_path.AsString(), mount_point + dest_path.AsString()))
83 return RESULT_SUCCESS;
84
85 // TODO(yuriks): This code probably isn't right, it'll return a Status even if the file didn't
86 // exist or similar. Verify.
87 return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
88 ErrorSummary::NothingHappened, ErrorLevel::Status);
89}
90
91ResultCode DiskArchive::DeleteDirectory(const Path& path) const {
92 if (FileUtil::DeleteDir(mount_point + path.AsString()))
93 return RESULT_SUCCESS;
94 return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
95 ErrorSummary::Canceled, ErrorLevel::Status);
96}
97
98ResultCode DiskArchive::DeleteDirectoryRecursively(const Path& path) const {
99 if (FileUtil::DeleteDirRecursively(mount_point + path.AsString()))
100 return RESULT_SUCCESS;
101 return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
102 ErrorSummary::Canceled, ErrorLevel::Status);
103}
104
105ResultCode DiskArchive::CreateFile(const FileSys::Path& path, u64 size) const {
106 std::string full_path = mount_point + path.AsString();
107
108 if (FileUtil::IsDirectory(full_path))
109 return ResultCode(ErrorDescription::FS_NotAFile, ErrorModule::FS, ErrorSummary::Canceled,
110 ErrorLevel::Status);
111
112 if (FileUtil::Exists(full_path))
113 return ResultCode(ErrorDescription::FS_AlreadyExists, ErrorModule::FS,
114 ErrorSummary::NothingHappened, ErrorLevel::Status);
115
116 if (size == 0) {
117 FileUtil::CreateEmptyFile(full_path);
118 return RESULT_SUCCESS;
119 }
120
121 FileUtil::IOFile file(full_path, "wb");
122 // Creates a sparse file (or a normal file on filesystems without the concept of sparse files)
123 // We do this by seeking to the right size, then writing a single null byte.
124 if (file.Seek(size - 1, SEEK_SET) && file.WriteBytes("", 1) == 1)
125 return RESULT_SUCCESS;
126
127 return ResultCode(ErrorDescription::TooLarge, ErrorModule::FS, ErrorSummary::OutOfResource,
128 ErrorLevel::Info);
129}
130
131ResultCode DiskArchive::CreateDirectory(const Path& path) const {
132 if (FileUtil::CreateDir(mount_point + path.AsString()))
133 return RESULT_SUCCESS;
134 return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
135 ErrorSummary::Canceled, ErrorLevel::Status);
136}
137
138ResultCode DiskArchive::RenameDirectory(const Path& src_path, const Path& dest_path) const {
139 if (FileUtil::Rename(mount_point + src_path.AsString(), mount_point + dest_path.AsString()))
140 return RESULT_SUCCESS;
141
142 // TODO(yuriks): This code probably isn't right, it'll return a Status even if the file didn't
143 // exist or similar. Verify.
144 return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
145 ErrorSummary::NothingHappened, ErrorLevel::Status);
146}
147
148ResultVal<std::unique_ptr<DirectoryBackend>> DiskArchive::OpenDirectory(const Path& path) const {
149 LOG_DEBUG(Service_FS, "called path=%s", path.DebugStr().c_str());
150 auto full_path = mount_point + path.AsString();
151 if (!FileUtil::IsDirectory(full_path))
152 return ResultCode(ErrorDescription::FS_NotFound, ErrorModule::FS, ErrorSummary::NotFound,
153 ErrorLevel::Permanent);
154 auto directory = std::make_unique<DiskDirectory>(full_path);
155 return MakeResult<std::unique_ptr<DirectoryBackend>>(std::move(directory));
156}
157
158u64 DiskArchive::GetFreeBytes() const {
159 // TODO: Stubbed to return 1GiB
160 return 1024 * 1024 * 1024;
161}
162
163////////////////////////////////////////////////////////////////////////////////////////////////////
164
165ResultVal<size_t> DiskFile::Read(const u64 offset, const size_t length, u8* buffer) const { 18ResultVal<size_t> DiskFile::Read(const u64 offset, const size_t length, u8* buffer) const {
166 if (!mode.read_flag) 19 if (!mode.read_flag)
167 return ResultCode(ErrorDescription::FS_InvalidOpenFlags, ErrorModule::FS, 20 return ResultCode(ErrorDescription::FS_InvalidOpenFlags, ErrorModule::FS,
diff --git a/src/core/file_sys/disk_archive.h b/src/core/file_sys/disk_archive.h
index c2c3c3b23..eb9166df6 100644
--- a/src/core/file_sys/disk_archive.h
+++ b/src/core/file_sys/disk_archive.h
@@ -20,38 +20,6 @@
20 20
21namespace FileSys { 21namespace FileSys {
22 22
23/**
24 * Helper which implements a backend accessing the host machine's filesystem.
25 * This should be subclassed by concrete archive types, which will provide the
26 * base directory on the host filesystem and override any required functionality.
27 */
28class DiskArchive : public ArchiveBackend {
29public:
30 DiskArchive(const std::string& mount_point_) : mount_point(mount_point_) {}
31
32 virtual std::string GetName() const override {
33 return "DiskArchive: " + mount_point;
34 }
35
36 ResultVal<std::unique_ptr<FileBackend>> OpenFile(const Path& path,
37 const Mode& mode) const override;
38 ResultCode DeleteFile(const Path& path) const override;
39 ResultCode RenameFile(const Path& src_path, const Path& dest_path) const override;
40 ResultCode DeleteDirectory(const Path& path) const override;
41 ResultCode DeleteDirectoryRecursively(const Path& path) const override;
42 ResultCode CreateFile(const Path& path, u64 size) const override;
43 ResultCode CreateDirectory(const Path& path) const override;
44 ResultCode RenameDirectory(const Path& src_path, const Path& dest_path) const override;
45 ResultVal<std::unique_ptr<DirectoryBackend>> OpenDirectory(const Path& path) const override;
46 u64 GetFreeBytes() const override;
47
48protected:
49 friend class DiskFile;
50 friend class DiskDirectory;
51
52 std::string mount_point;
53};
54
55class DiskFile : public FileBackend { 23class DiskFile : public FileBackend {
56public: 24public:
57 DiskFile(FileUtil::IOFile&& file_, const Mode& mode_) 25 DiskFile(FileUtil::IOFile&& file_, const Mode& mode_)
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