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Merge pull request #12982 from FearlessTobi/fs-rewrite-part0

fs: Add FileSystemAccessor and use cmif serialization
This commit is contained in:
liamwhite 2024-02-22 12:34:47 -05:00 committed by GitHub
commit d12d9dad40
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16 changed files with 752 additions and 374 deletions

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@ -59,8 +59,12 @@ add_library(core STATIC
file_sys/fs_path.h file_sys/fs_path.h
file_sys/fs_path_utility.h file_sys/fs_path_utility.h
file_sys/fs_string_util.h file_sys/fs_string_util.h
file_sys/fsa/fs_i_directory.h
file_sys/fsa/fs_i_file.h
file_sys/fsa/fs_i_filesystem.h
file_sys/fsmitm_romfsbuild.cpp file_sys/fsmitm_romfsbuild.cpp
file_sys/fsmitm_romfsbuild.h file_sys/fsmitm_romfsbuild.h
file_sys/fssrv/fssrv_sf_path.h
file_sys/fssystem/fs_i_storage.h file_sys/fssystem/fs_i_storage.h
file_sys/fssystem/fs_types.h file_sys/fssystem/fs_types.h
file_sys/fssystem/fssystem_aes_ctr_counter_extended_storage.cpp file_sys/fssystem/fssystem_aes_ctr_counter_extended_storage.cpp

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@ -23,6 +23,8 @@ enum class OpenDirectoryMode : u64 {
File = (1 << 1), File = (1 << 1),
All = (Directory | File), All = (Directory | File),
NotRequireFileSize = (1ULL << 31),
}; };
DECLARE_ENUM_FLAG_OPERATORS(OpenDirectoryMode) DECLARE_ENUM_FLAG_OPERATORS(OpenDirectoryMode)
@ -36,4 +38,29 @@ enum class CreateOption : u8 {
BigFile = (1 << 0), BigFile = (1 << 0),
}; };
struct FileSystemAttribute {
u8 dir_entry_name_length_max_defined;
u8 file_entry_name_length_max_defined;
u8 dir_path_name_length_max_defined;
u8 file_path_name_length_max_defined;
INSERT_PADDING_BYTES_NOINIT(0x5);
u8 utf16_dir_entry_name_length_max_defined;
u8 utf16_file_entry_name_length_max_defined;
u8 utf16_dir_path_name_length_max_defined;
u8 utf16_file_path_name_length_max_defined;
INSERT_PADDING_BYTES_NOINIT(0x18);
s32 dir_entry_name_length_max;
s32 file_entry_name_length_max;
s32 dir_path_name_length_max;
s32 file_path_name_length_max;
INSERT_PADDING_WORDS_NOINIT(0x5);
s32 utf16_dir_entry_name_length_max;
s32 utf16_file_entry_name_length_max;
s32 utf16_dir_path_name_length_max;
s32 utf16_file_path_name_length_max;
INSERT_PADDING_WORDS_NOINIT(0x18);
INSERT_PADDING_WORDS_NOINIT(0x1);
};
static_assert(sizeof(FileSystemAttribute) == 0xC0, "FileSystemAttribute has incorrect size");
} // namespace FileSys } // namespace FileSys

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@ -10,7 +10,7 @@ namespace FileSys {
constexpr size_t RequiredAlignment = alignof(u64); constexpr size_t RequiredAlignment = alignof(u64);
void* AllocateUnsafe(size_t size) { inline void* AllocateUnsafe(size_t size) {
// Allocate // Allocate
void* const ptr = ::operator new(size, std::align_val_t{RequiredAlignment}); void* const ptr = ::operator new(size, std::align_val_t{RequiredAlignment});
@ -21,16 +21,16 @@ void* AllocateUnsafe(size_t size) {
return ptr; return ptr;
} }
void DeallocateUnsafe(void* ptr, size_t size) { inline void DeallocateUnsafe(void* ptr, size_t size) {
// Deallocate the pointer // Deallocate the pointer
::operator delete(ptr, std::align_val_t{RequiredAlignment}); ::operator delete(ptr, std::align_val_t{RequiredAlignment});
} }
void* Allocate(size_t size) { inline void* Allocate(size_t size) {
return AllocateUnsafe(size); return AllocateUnsafe(size);
} }
void Deallocate(void* ptr, size_t size) { inline void Deallocate(void* ptr, size_t size) {
// If the pointer is non-null, deallocate it // If the pointer is non-null, deallocate it
if (ptr != nullptr) { if (ptr != nullptr) {
DeallocateUnsafe(ptr, size); DeallocateUnsafe(ptr, size);

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@ -381,7 +381,7 @@ public:
// Check that it's possible for us to remove a child // Check that it's possible for us to remove a child
auto* p = m_write_buffer.Get(); auto* p = m_write_buffer.Get();
s32 len = std::strlen(p); s32 len = static_cast<s32>(std::strlen(p));
R_UNLESS(len != 1 || (p[0] != '/' && p[0] != '.'), ResultNotImplemented); R_UNLESS(len != 1 || (p[0] != '/' && p[0] != '.'), ResultNotImplemented);
// Handle a trailing separator // Handle a trailing separator

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@ -426,9 +426,10 @@ public:
R_SUCCEED(); R_SUCCEED();
} }
static Result Normalize(char* dst, size_t* out_len, const char* path, size_t max_out_size, static constexpr Result Normalize(char* dst, size_t* out_len, const char* path,
bool is_windows_path, bool is_drive_relative_path, size_t max_out_size, bool is_windows_path,
bool allow_all_characters = false) { bool is_drive_relative_path,
bool allow_all_characters = false) {
// Use StringTraits names for remainder of scope // Use StringTraits names for remainder of scope
using namespace StringTraits; using namespace StringTraits;

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@ -19,6 +19,11 @@ constexpr int Strlen(const T* str) {
return length; return length;
} }
template <typename T>
constexpr int Strnlen(const T* str, std::size_t count) {
return Strnlen(str, static_cast<int>(count));
}
template <typename T> template <typename T>
constexpr int Strnlen(const T* str, int count) { constexpr int Strnlen(const T* str, int count) {
ASSERT(str != nullptr); ASSERT(str != nullptr);
@ -32,6 +37,11 @@ constexpr int Strnlen(const T* str, int count) {
return length; return length;
} }
template <typename T>
constexpr int Strncmp(const T* lhs, const T* rhs, std::size_t count) {
return Strncmp(lhs, rhs, static_cast<int>(count));
}
template <typename T> template <typename T>
constexpr int Strncmp(const T* lhs, const T* rhs, int count) { constexpr int Strncmp(const T* lhs, const T* rhs, int count) {
ASSERT(lhs != nullptr); ASSERT(lhs != nullptr);
@ -51,6 +61,11 @@ constexpr int Strncmp(const T* lhs, const T* rhs, int count) {
return l - r; return l - r;
} }
template <typename T>
static constexpr int Strlcpy(T* dst, const T* src, std::size_t count) {
return Strlcpy<T>(dst, src, static_cast<int>(count));
}
template <typename T> template <typename T>
static constexpr int Strlcpy(T* dst, const T* src, int count) { static constexpr int Strlcpy(T* dst, const T* src, int count) {
ASSERT(dst != nullptr); ASSERT(dst != nullptr);

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@ -0,0 +1,91 @@
// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "common/common_types.h"
#include "core/file_sys/errors.h"
#include "core/file_sys/fs_directory.h"
#include "core/file_sys/fs_file.h"
#include "core/file_sys/fs_filesystem.h"
#include "core/file_sys/savedata_factory.h"
#include "core/file_sys/vfs/vfs.h"
#include "core/hle/result.h"
namespace FileSys::Fsa {
class IDirectory {
public:
explicit IDirectory(VirtualDir backend_, OpenDirectoryMode mode)
: backend(std::move(backend_)) {
// TODO(DarkLordZach): Verify that this is the correct behavior.
// Build entry index now to save time later.
if (True(mode & OpenDirectoryMode::Directory)) {
BuildEntryIndex(backend->GetSubdirectories(), DirectoryEntryType::Directory);
}
if (True(mode & OpenDirectoryMode::File)) {
BuildEntryIndex(backend->GetFiles(), DirectoryEntryType::File);
}
}
virtual ~IDirectory() {}
Result Read(s64* out_count, DirectoryEntry* out_entries, s64 max_entries) {
R_UNLESS(out_count != nullptr, ResultNullptrArgument);
if (max_entries == 0) {
*out_count = 0;
R_SUCCEED();
}
R_UNLESS(out_entries != nullptr, ResultNullptrArgument);
R_UNLESS(max_entries > 0, ResultInvalidArgument);
R_RETURN(this->DoRead(out_count, out_entries, max_entries));
}
Result GetEntryCount(s64* out) {
R_UNLESS(out != nullptr, ResultNullptrArgument);
R_RETURN(this->DoGetEntryCount(out));
}
private:
Result DoRead(s64* out_count, DirectoryEntry* out_entries, s64 max_entries) {
const u64 actual_entries =
std::min(static_cast<u64>(max_entries), entries.size() - next_entry_index);
const auto* begin = reinterpret_cast<u8*>(entries.data() + next_entry_index);
const auto* end = reinterpret_cast<u8*>(entries.data() + next_entry_index + actual_entries);
const auto range_size = static_cast<std::size_t>(std::distance(begin, end));
next_entry_index += actual_entries;
*out_count = actual_entries;
std::memcpy(out_entries, begin, range_size);
R_SUCCEED();
}
Result DoGetEntryCount(s64* out) {
*out = entries.size() - next_entry_index;
R_SUCCEED();
}
// TODO: Remove this when VFS is gone
template <typename T>
void BuildEntryIndex(const std::vector<T>& new_data, DirectoryEntryType type) {
entries.reserve(entries.size() + new_data.size());
for (const auto& new_entry : new_data) {
auto name = new_entry->GetName();
if (type == DirectoryEntryType::File && name == GetSaveDataSizeFileName()) {
continue;
}
entries.emplace_back(name, static_cast<s8>(type),
type == DirectoryEntryType::Directory ? 0 : new_entry->GetSize());
}
}
VirtualDir backend;
std::vector<DirectoryEntry> entries;
u64 next_entry_index = 0;
};
} // namespace FileSys::Fsa

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@ -0,0 +1,167 @@
// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "common/overflow.h"
#include "core/file_sys/errors.h"
#include "core/file_sys/fs_file.h"
#include "core/file_sys/fs_filesystem.h"
#include "core/file_sys/fs_operate_range.h"
#include "core/file_sys/vfs/vfs.h"
#include "core/file_sys/vfs/vfs_types.h"
#include "core/hle/result.h"
namespace FileSys::Fsa {
class IFile {
public:
explicit IFile(VirtualFile backend_) : backend(std::move(backend_)) {}
virtual ~IFile() {}
Result Read(size_t* out, s64 offset, void* buffer, size_t size, const ReadOption& option) {
// Check that we have an output pointer
R_UNLESS(out != nullptr, ResultNullptrArgument);
// If we have nothing to read, just succeed
if (size == 0) {
*out = 0;
R_SUCCEED();
}
// Check that the read is valid
R_UNLESS(buffer != nullptr, ResultNullptrArgument);
R_UNLESS(offset >= 0, ResultOutOfRange);
R_UNLESS(Common::CanAddWithoutOverflow<s64>(offset, size), ResultOutOfRange);
// Do the read
R_RETURN(this->DoRead(out, offset, buffer, size, option));
}
Result Read(size_t* out, s64 offset, void* buffer, size_t size) {
R_RETURN(this->Read(out, offset, buffer, size, ReadOption::None));
}
Result GetSize(s64* out) {
R_UNLESS(out != nullptr, ResultNullptrArgument);
R_RETURN(this->DoGetSize(out));
}
Result Flush() {
R_RETURN(this->DoFlush());
}
Result Write(s64 offset, const void* buffer, size_t size, const WriteOption& option) {
// Handle the zero-size case
if (size == 0) {
if (option.HasFlushFlag()) {
R_TRY(this->Flush());
}
R_SUCCEED();
}
// Check the write is valid
R_UNLESS(buffer != nullptr, ResultNullptrArgument);
R_UNLESS(offset >= 0, ResultOutOfRange);
R_UNLESS(Common::CanAddWithoutOverflow<s64>(offset, size), ResultOutOfRange);
R_RETURN(this->DoWrite(offset, buffer, size, option));
}
Result SetSize(s64 size) {
R_UNLESS(size >= 0, ResultOutOfRange);
R_RETURN(this->DoSetSize(size));
}
Result OperateRange(void* dst, size_t dst_size, OperationId op_id, s64 offset, s64 size,
const void* src, size_t src_size) {
R_RETURN(this->DoOperateRange(dst, dst_size, op_id, offset, size, src, src_size));
}
Result OperateRange(OperationId op_id, s64 offset, s64 size) {
R_RETURN(this->DoOperateRange(nullptr, 0, op_id, offset, size, nullptr, 0));
}
protected:
Result DryRead(size_t* out, s64 offset, size_t size, const ReadOption& option,
OpenMode open_mode) {
// Check that we can read
R_UNLESS(static_cast<u32>(open_mode & OpenMode::Read) != 0, ResultReadNotPermitted);
// Get the file size, and validate our offset
s64 file_size = 0;
R_TRY(this->DoGetSize(std::addressof(file_size)));
R_UNLESS(offset <= file_size, ResultOutOfRange);
*out = static_cast<size_t>(std::min(file_size - offset, static_cast<s64>(size)));
R_SUCCEED();
}
Result DrySetSize(s64 size, OpenMode open_mode) {
// Check that we can write
R_UNLESS(static_cast<u32>(open_mode & OpenMode::Write) != 0, ResultWriteNotPermitted);
R_SUCCEED();
}
Result DryWrite(bool* out_append, s64 offset, size_t size, const WriteOption& option,
OpenMode open_mode) {
// Check that we can write
R_UNLESS(static_cast<u32>(open_mode & OpenMode::Write) != 0, ResultWriteNotPermitted);
// Get the file size
s64 file_size = 0;
R_TRY(this->DoGetSize(&file_size));
// Determine if we need to append
*out_append = false;
if (file_size < offset + static_cast<s64>(size)) {
R_UNLESS(static_cast<u32>(open_mode & OpenMode::AllowAppend) != 0,
ResultFileExtensionWithoutOpenModeAllowAppend);
*out_append = true;
}
R_SUCCEED();
}
private:
Result DoRead(size_t* out, s64 offset, void* buffer, size_t size, const ReadOption& option) {
const auto read_size = backend->Read(static_cast<u8*>(buffer), size, offset);
*out = read_size;
R_SUCCEED();
}
Result DoGetSize(s64* out) {
*out = backend->GetSize();
R_SUCCEED();
}
Result DoFlush() {
// Exists for SDK compatibiltity -- No need to flush file.
R_SUCCEED();
}
Result DoWrite(s64 offset, const void* buffer, size_t size, const WriteOption& option) {
const std::size_t written = backend->Write(static_cast<const u8*>(buffer), size, offset);
ASSERT_MSG(written == size,
"Could not write all bytes to file (requested={:016X}, actual={:016X}).", size,
written);
R_SUCCEED();
}
Result DoSetSize(s64 size) {
backend->Resize(size);
R_SUCCEED();
}
Result DoOperateRange(void* dst, size_t dst_size, OperationId op_id, s64 offset, s64 size,
const void* src, size_t src_size) {
R_THROW(ResultNotImplemented);
}
VirtualFile backend;
};
} // namespace FileSys::Fsa

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@ -0,0 +1,206 @@
// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "core/file_sys/errors.h"
#include "core/file_sys/fs_filesystem.h"
#include "core/file_sys/fs_path.h"
#include "core/file_sys/vfs/vfs_types.h"
#include "core/hle/result.h"
#include "core/hle/service/filesystem/filesystem.h"
namespace FileSys::Fsa {
class IFile;
class IDirectory;
enum class QueryId : u32 {
SetConcatenationFileAttribute = 0,
UpdateMac = 1,
IsSignedSystemPartitionOnSdCardValid = 2,
QueryUnpreparedFileInformation = 3,
};
class IFileSystem {
public:
explicit IFileSystem(VirtualDir backend_) : backend{std::move(backend_)} {}
virtual ~IFileSystem() {}
Result CreateFile(const Path& path, s64 size, CreateOption option) {
R_UNLESS(size >= 0, ResultOutOfRange);
R_RETURN(this->DoCreateFile(path, size, static_cast<int>(option)));
}
Result CreateFile(const Path& path, s64 size) {
R_RETURN(this->CreateFile(path, size, CreateOption::None));
}
Result DeleteFile(const Path& path) {
R_RETURN(this->DoDeleteFile(path));
}
Result CreateDirectory(const Path& path) {
R_RETURN(this->DoCreateDirectory(path));
}
Result DeleteDirectory(const Path& path) {
R_RETURN(this->DoDeleteDirectory(path));
}
Result DeleteDirectoryRecursively(const Path& path) {
R_RETURN(this->DoDeleteDirectoryRecursively(path));
}
Result RenameFile(const Path& old_path, const Path& new_path) {
R_RETURN(this->DoRenameFile(old_path, new_path));
}
Result RenameDirectory(const Path& old_path, const Path& new_path) {
R_RETURN(this->DoRenameDirectory(old_path, new_path));
}
Result GetEntryType(DirectoryEntryType* out, const Path& path) {
R_RETURN(this->DoGetEntryType(out, path));
}
Result OpenFile(VirtualFile* out_file, const Path& path, OpenMode mode) {
R_UNLESS(out_file != nullptr, ResultNullptrArgument);
R_UNLESS(static_cast<u32>(mode & OpenMode::ReadWrite) != 0, ResultInvalidOpenMode);
R_UNLESS(static_cast<u32>(mode & ~OpenMode::All) == 0, ResultInvalidOpenMode);
R_RETURN(this->DoOpenFile(out_file, path, mode));
}
Result OpenDirectory(VirtualDir* out_dir, const Path& path, OpenDirectoryMode mode) {
R_UNLESS(out_dir != nullptr, ResultNullptrArgument);
R_UNLESS(static_cast<u64>(mode & OpenDirectoryMode::All) != 0, ResultInvalidOpenMode);
R_UNLESS(static_cast<u64>(
mode & ~(OpenDirectoryMode::All | OpenDirectoryMode::NotRequireFileSize)) == 0,
ResultInvalidOpenMode);
R_RETURN(this->DoOpenDirectory(out_dir, path, mode));
}
Result Commit() {
R_RETURN(this->DoCommit());
}
Result GetFreeSpaceSize(s64* out, const Path& path) {
R_UNLESS(out != nullptr, ResultNullptrArgument);
R_RETURN(this->DoGetFreeSpaceSize(out, path));
}
Result GetTotalSpaceSize(s64* out, const Path& path) {
R_UNLESS(out != nullptr, ResultNullptrArgument);
R_RETURN(this->DoGetTotalSpaceSize(out, path));
}
Result CleanDirectoryRecursively(const Path& path) {
R_RETURN(this->DoCleanDirectoryRecursively(path));
}
Result GetFileTimeStampRaw(FileTimeStampRaw* out, const Path& path) {
R_UNLESS(out != nullptr, ResultNullptrArgument);
R_RETURN(this->DoGetFileTimeStampRaw(out, path));
}
Result QueryEntry(char* dst, size_t dst_size, const char* src, size_t src_size, QueryId query,
const Path& path) {
R_RETURN(this->DoQueryEntry(dst, dst_size, src, src_size, query, path));
}
// These aren't accessible as commands
Result CommitProvisionally(s64 counter) {
R_RETURN(this->DoCommitProvisionally(counter));
}
Result Rollback() {
R_RETURN(this->DoRollback());
}
Result Flush() {
R_RETURN(this->DoFlush());
}
private:
Result DoCreateFile(const Path& path, s64 size, int flags) {
R_RETURN(backend.CreateFile(path.GetString(), size));
}
Result DoDeleteFile(const Path& path) {
R_RETURN(backend.DeleteFile(path.GetString()));
}
Result DoCreateDirectory(const Path& path) {
R_RETURN(backend.CreateDirectory(path.GetString()));
}
Result DoDeleteDirectory(const Path& path) {
R_RETURN(backend.DeleteDirectory(path.GetString()));
}
Result DoDeleteDirectoryRecursively(const Path& path) {
R_RETURN(backend.DeleteDirectoryRecursively(path.GetString()));
}
Result DoRenameFile(const Path& old_path, const Path& new_path) {
R_RETURN(backend.RenameFile(old_path.GetString(), new_path.GetString()));
}
Result DoRenameDirectory(const Path& old_path, const Path& new_path) {
R_RETURN(backend.RenameDirectory(old_path.GetString(), new_path.GetString()));
}
Result DoGetEntryType(DirectoryEntryType* out, const Path& path) {
R_RETURN(backend.GetEntryType(out, path.GetString()));
}
Result DoOpenFile(VirtualFile* out_file, const Path& path, OpenMode mode) {
R_RETURN(backend.OpenFile(out_file, path.GetString(), mode));
}
Result DoOpenDirectory(VirtualDir* out_directory, const Path& path, OpenDirectoryMode mode) {
R_RETURN(backend.OpenDirectory(out_directory, path.GetString()));
}
Result DoCommit() {
R_THROW(ResultNotImplemented);
}
Result DoGetFreeSpaceSize(s64* out, const Path& path) {
R_THROW(ResultNotImplemented);
}
Result DoGetTotalSpaceSize(s64* out, const Path& path) {
R_THROW(ResultNotImplemented);
}
Result DoCleanDirectoryRecursively(const Path& path) {
R_RETURN(backend.CleanDirectoryRecursively(path.GetString()));
}
Result DoGetFileTimeStampRaw(FileTimeStampRaw* out, const Path& path) {
R_RETURN(backend.GetFileTimeStampRaw(out, path.GetString()));
}
Result DoQueryEntry(char* dst, size_t dst_size, const char* src, size_t src_size, QueryId query,
const Path& path) {
R_THROW(ResultNotImplemented);
}
// These aren't accessible as commands
Result DoCommitProvisionally(s64 counter) {
R_THROW(ResultNotImplemented);
}
Result DoRollback() {
R_THROW(ResultNotImplemented);
}
Result DoFlush() {
R_THROW(ResultNotImplemented);
}
Service::FileSystem::VfsDirectoryServiceWrapper backend;
};
} // namespace FileSys::Fsa

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@ -0,0 +1,36 @@
// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "core/file_sys/fs_directory.h"
namespace FileSys::Sf {
struct Path {
char str[EntryNameLengthMax + 1];
static constexpr Path Encode(const char* p) {
Path path = {};
for (size_t i = 0; i < sizeof(path) - 1; i++) {
path.str[i] = p[i];
if (p[i] == '\x00') {
break;
}
}
return path;
}
static constexpr size_t GetPathLength(const Path& path) {
size_t len = 0;
for (size_t i = 0; i < sizeof(path) - 1 && path.str[i] != '\x00'; i++) {
len++;
}
return len;
}
};
static_assert(std::is_trivially_copyable_v<Path>, "Path must be trivially copyable.");
using FspPath = Path;
} // namespace FileSys::Sf

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@ -3,82 +3,34 @@
#include "core/file_sys/fs_filesystem.h" #include "core/file_sys/fs_filesystem.h"
#include "core/file_sys/savedata_factory.h" #include "core/file_sys/savedata_factory.h"
#include "core/hle/service/cmif_serialization.h"
#include "core/hle/service/filesystem/fsp/fs_i_directory.h" #include "core/hle/service/filesystem/fsp/fs_i_directory.h"
#include "core/hle/service/ipc_helpers.h"
namespace Service::FileSystem { namespace Service::FileSystem {
template <typename T> IDirectory::IDirectory(Core::System& system_, FileSys::VirtualDir directory_,
static void BuildEntryIndex(std::vector<FileSys::DirectoryEntry>& entries,
const std::vector<T>& new_data, FileSys::DirectoryEntryType type) {
entries.reserve(entries.size() + new_data.size());
for (const auto& new_entry : new_data) {
auto name = new_entry->GetName();
if (type == FileSys::DirectoryEntryType::File &&
name == FileSys::GetSaveDataSizeFileName()) {
continue;
}
entries.emplace_back(name, static_cast<s8>(type),
type == FileSys::DirectoryEntryType::Directory ? 0
: new_entry->GetSize());
}
}
IDirectory::IDirectory(Core::System& system_, FileSys::VirtualDir backend_,
FileSys::OpenDirectoryMode mode) FileSys::OpenDirectoryMode mode)
: ServiceFramework{system_, "IDirectory"}, backend(std::move(backend_)) { : ServiceFramework{system_, "IDirectory"},
backend(std::make_unique<FileSys::Fsa::IDirectory>(directory_, mode)) {
static const FunctionInfo functions[] = { static const FunctionInfo functions[] = {
{0, &IDirectory::Read, "Read"}, {0, D<&IDirectory::Read>, "Read"},
{1, &IDirectory::GetEntryCount, "GetEntryCount"}, {1, D<&IDirectory::GetEntryCount>, "GetEntryCount"},
}; };
RegisterHandlers(functions); RegisterHandlers(functions);
// TODO(DarkLordZach): Verify that this is the correct behavior.
// Build entry index now to save time later.
if (True(mode & FileSys::OpenDirectoryMode::Directory)) {
BuildEntryIndex(entries, backend->GetSubdirectories(),
FileSys::DirectoryEntryType::Directory);
}
if (True(mode & FileSys::OpenDirectoryMode::File)) {
BuildEntryIndex(entries, backend->GetFiles(), FileSys::DirectoryEntryType::File);
}
} }
void IDirectory::Read(HLERequestContext& ctx) { Result IDirectory::Read(
Out<s64> out_count,
const OutArray<FileSys::DirectoryEntry, BufferAttr_HipcMapAlias> out_entries) {
LOG_DEBUG(Service_FS, "called."); LOG_DEBUG(Service_FS, "called.");
// Calculate how many entries we can fit in the output buffer R_RETURN(backend->Read(out_count, out_entries.data(), out_entries.size()));
const u64 count_entries = ctx.GetWriteBufferNumElements<FileSys::DirectoryEntry>();
// Cap at total number of entries.
const u64 actual_entries = std::min(count_entries, entries.size() - next_entry_index);
// Determine data start and end
const auto* begin = reinterpret_cast<u8*>(entries.data() + next_entry_index);
const auto* end = reinterpret_cast<u8*>(entries.data() + next_entry_index + actual_entries);
const auto range_size = static_cast<std::size_t>(std::distance(begin, end));
next_entry_index += actual_entries;
// Write the data to memory
ctx.WriteBuffer(begin, range_size);
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(ResultSuccess);
rb.Push(actual_entries);
} }
void IDirectory::GetEntryCount(HLERequestContext& ctx) { Result IDirectory::GetEntryCount(Out<s64> out_count) {
LOG_DEBUG(Service_FS, "called"); LOG_DEBUG(Service_FS, "called");
u64 count = entries.size() - next_entry_index; R_RETURN(backend->GetEntryCount(out_count));
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(ResultSuccess);
rb.Push(count);
} }
} // namespace Service::FileSystem } // namespace Service::FileSystem

View file

@ -3,7 +3,9 @@
#pragma once #pragma once
#include "core/file_sys/fsa/fs_i_directory.h"
#include "core/file_sys/vfs/vfs.h" #include "core/file_sys/vfs/vfs.h"
#include "core/hle/service/cmif_types.h"
#include "core/hle/service/filesystem/filesystem.h" #include "core/hle/service/filesystem/filesystem.h"
#include "core/hle/service/service.h" #include "core/hle/service/service.h"
@ -15,16 +17,15 @@ namespace Service::FileSystem {
class IDirectory final : public ServiceFramework<IDirectory> { class IDirectory final : public ServiceFramework<IDirectory> {
public: public:
explicit IDirectory(Core::System& system_, FileSys::VirtualDir backend_, explicit IDirectory(Core::System& system_, FileSys::VirtualDir directory_,
FileSys::OpenDirectoryMode mode); FileSys::OpenDirectoryMode mode);
private: private:
FileSys::VirtualDir backend; std::unique_ptr<FileSys::Fsa::IDirectory> backend;
std::vector<FileSys::DirectoryEntry> entries;
u64 next_entry_index = 0;
void Read(HLERequestContext& ctx); Result Read(Out<s64> out_count,
void GetEntryCount(HLERequestContext& ctx); const OutArray<FileSys::DirectoryEntry, BufferAttr_HipcMapAlias> out_entries);
Result GetEntryCount(Out<s64> out_count);
}; };
} // namespace Service::FileSystem } // namespace Service::FileSystem

View file

@ -2,126 +2,64 @@
// SPDX-License-Identifier: GPL-2.0-or-later // SPDX-License-Identifier: GPL-2.0-or-later
#include "core/file_sys/errors.h" #include "core/file_sys/errors.h"
#include "core/hle/service/cmif_serialization.h"
#include "core/hle/service/filesystem/fsp/fs_i_file.h" #include "core/hle/service/filesystem/fsp/fs_i_file.h"
#include "core/hle/service/ipc_helpers.h"
namespace Service::FileSystem { namespace Service::FileSystem {
IFile::IFile(Core::System& system_, FileSys::VirtualFile backend_) IFile::IFile(Core::System& system_, FileSys::VirtualFile file_)
: ServiceFramework{system_, "IFile"}, backend(std::move(backend_)) { : ServiceFramework{system_, "IFile"}, backend{std::make_unique<FileSys::Fsa::IFile>(file_)} {
// clang-format off
static const FunctionInfo functions[] = { static const FunctionInfo functions[] = {
{0, &IFile::Read, "Read"}, {0, D<&IFile::Read>, "Read"},
{1, &IFile::Write, "Write"}, {1, D<&IFile::Write>, "Write"},
{2, &IFile::Flush, "Flush"}, {2, D<&IFile::Flush>, "Flush"},
{3, &IFile::SetSize, "SetSize"}, {3, D<&IFile::SetSize>, "SetSize"},
{4, &IFile::GetSize, "GetSize"}, {4, D<&IFile::GetSize>, "GetSize"},
{5, nullptr, "OperateRange"}, {5, nullptr, "OperateRange"},
{6, nullptr, "OperateRangeWithBuffer"}, {6, nullptr, "OperateRangeWithBuffer"},
}; };
// clang-format on
RegisterHandlers(functions); RegisterHandlers(functions);
} }
void IFile::Read(HLERequestContext& ctx) { Result IFile::Read(
IPC::RequestParser rp{ctx}; FileSys::ReadOption option, Out<s64> out_size, s64 offset,
const u64 option = rp.Pop<u64>(); const OutBuffer<BufferAttr_HipcMapAlias | BufferAttr_HipcMapTransferAllowsNonSecure> out_buffer,
const s64 offset = rp.Pop<s64>(); s64 size) {
const s64 length = rp.Pop<s64>(); LOG_DEBUG(Service_FS, "called, option={}, offset=0x{:X}, length={}", option.value, offset,
size);
LOG_DEBUG(Service_FS, "called, option={}, offset=0x{:X}, length={}", option, offset, length);
// Error checking
if (length < 0) {
LOG_ERROR(Service_FS, "Length is less than 0, length={}", length);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(FileSys::ResultInvalidSize);
return;
}
if (offset < 0) {
LOG_ERROR(Service_FS, "Offset is less than 0, offset={}", offset);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(FileSys::ResultInvalidOffset);
return;
}
// Read the data from the Storage backend // Read the data from the Storage backend
std::vector<u8> output = backend->ReadBytes(length, offset); R_RETURN(
backend->Read(reinterpret_cast<size_t*>(out_size.Get()), offset, out_buffer.data(), size));
// Write the data to memory
ctx.WriteBuffer(output);
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(ResultSuccess);
rb.Push(static_cast<u64>(output.size()));
} }
void IFile::Write(HLERequestContext& ctx) { Result IFile::Write(
IPC::RequestParser rp{ctx}; const InBuffer<BufferAttr_HipcMapAlias | BufferAttr_HipcMapTransferAllowsNonSecure> buffer,
const u64 option = rp.Pop<u64>(); FileSys::WriteOption option, s64 offset, s64 size) {
const s64 offset = rp.Pop<s64>(); LOG_DEBUG(Service_FS, "called, option={}, offset=0x{:X}, length={}", option.value, offset,
const s64 length = rp.Pop<s64>(); size);
LOG_DEBUG(Service_FS, "called, option={}, offset=0x{:X}, length={}", option, offset, length); R_RETURN(backend->Write(offset, buffer.data(), size, option));
// Error checking
if (length < 0) {
LOG_ERROR(Service_FS, "Length is less than 0, length={}", length);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(FileSys::ResultInvalidSize);
return;
}
if (offset < 0) {
LOG_ERROR(Service_FS, "Offset is less than 0, offset={}", offset);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(FileSys::ResultInvalidOffset);
return;
}
const auto data = ctx.ReadBuffer();
ASSERT_MSG(static_cast<s64>(data.size()) <= length,
"Attempting to write more data than requested (requested={:016X}, actual={:016X}).",
length, data.size());
// Write the data to the Storage backend
const auto write_size =
static_cast<std::size_t>(std::distance(data.begin(), data.begin() + length));
const std::size_t written = backend->Write(data.data(), write_size, offset);
ASSERT_MSG(static_cast<s64>(written) == length,
"Could not write all bytes to file (requested={:016X}, actual={:016X}).", length,
written);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
} }
void IFile::Flush(HLERequestContext& ctx) { Result IFile::Flush() {
LOG_DEBUG(Service_FS, "called"); LOG_DEBUG(Service_FS, "called");
// Exists for SDK compatibiltity -- No need to flush file. R_RETURN(backend->Flush());
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
} }
void IFile::SetSize(HLERequestContext& ctx) { Result IFile::SetSize(s64 size) {
IPC::RequestParser rp{ctx};
const u64 size = rp.Pop<u64>();
LOG_DEBUG(Service_FS, "called, size={}", size); LOG_DEBUG(Service_FS, "called, size={}", size);
backend->Resize(size); R_RETURN(backend->SetSize(size));
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
} }
void IFile::GetSize(HLERequestContext& ctx) { Result IFile::GetSize(Out<s64> out_size) {
const u64 size = backend->GetSize(); LOG_DEBUG(Service_FS, "called");
LOG_DEBUG(Service_FS, "called, size={}", size);
IPC::ResponseBuilder rb{ctx, 4}; R_RETURN(backend->GetSize(out_size));
rb.Push(ResultSuccess);
rb.Push<u64>(size);
} }
} // namespace Service::FileSystem } // namespace Service::FileSystem

View file

@ -3,6 +3,8 @@
#pragma once #pragma once
#include "core/file_sys/fsa/fs_i_file.h"
#include "core/hle/service/cmif_types.h"
#include "core/hle/service/filesystem/filesystem.h" #include "core/hle/service/filesystem/filesystem.h"
#include "core/hle/service/service.h" #include "core/hle/service/service.h"
@ -10,16 +12,21 @@ namespace Service::FileSystem {
class IFile final : public ServiceFramework<IFile> { class IFile final : public ServiceFramework<IFile> {
public: public:
explicit IFile(Core::System& system_, FileSys::VirtualFile backend_); explicit IFile(Core::System& system_, FileSys::VirtualFile file_);
private: private:
FileSys::VirtualFile backend; std::unique_ptr<FileSys::Fsa::IFile> backend;
void Read(HLERequestContext& ctx); Result Read(FileSys::ReadOption option, Out<s64> out_size, s64 offset,
void Write(HLERequestContext& ctx); const OutBuffer<BufferAttr_HipcMapAlias | BufferAttr_HipcMapTransferAllowsNonSecure>
void Flush(HLERequestContext& ctx); out_buffer,
void SetSize(HLERequestContext& ctx); s64 size);
void GetSize(HLERequestContext& ctx); Result Write(
const InBuffer<BufferAttr_HipcMapAlias | BufferAttr_HipcMapTransferAllowsNonSecure> buffer,
FileSys::WriteOption option, s64 offset, s64 size);
Result Flush();
Result SetSize(s64 size);
Result GetSize(Out<s64> out_size);
}; };
} // namespace Service::FileSystem } // namespace Service::FileSystem

View file

@ -2,261 +2,172 @@
// SPDX-License-Identifier: GPL-2.0-or-later // SPDX-License-Identifier: GPL-2.0-or-later
#include "common/string_util.h" #include "common/string_util.h"
#include "core/file_sys/fssrv/fssrv_sf_path.h"
#include "core/hle/service/cmif_serialization.h"
#include "core/hle/service/filesystem/fsp/fs_i_directory.h" #include "core/hle/service/filesystem/fsp/fs_i_directory.h"
#include "core/hle/service/filesystem/fsp/fs_i_file.h" #include "core/hle/service/filesystem/fsp/fs_i_file.h"
#include "core/hle/service/filesystem/fsp/fs_i_filesystem.h" #include "core/hle/service/filesystem/fsp/fs_i_filesystem.h"
#include "core/hle/service/ipc_helpers.h"
namespace Service::FileSystem { namespace Service::FileSystem {
IFileSystem::IFileSystem(Core::System& system_, FileSys::VirtualDir backend_, SizeGetter size_) IFileSystem::IFileSystem(Core::System& system_, FileSys::VirtualDir dir_, SizeGetter size_getter_)
: ServiceFramework{system_, "IFileSystem"}, backend{std::move(backend_)}, size{std::move( : ServiceFramework{system_, "IFileSystem"}, backend{std::make_unique<FileSys::Fsa::IFileSystem>(
size_)} { dir_)},
size_getter{std::move(size_getter_)} {
static const FunctionInfo functions[] = { static const FunctionInfo functions[] = {
{0, &IFileSystem::CreateFile, "CreateFile"}, {0, D<&IFileSystem::CreateFile>, "CreateFile"},
{1, &IFileSystem::DeleteFile, "DeleteFile"}, {1, D<&IFileSystem::DeleteFile>, "DeleteFile"},
{2, &IFileSystem::CreateDirectory, "CreateDirectory"}, {2, D<&IFileSystem::CreateDirectory>, "CreateDirectory"},
{3, &IFileSystem::DeleteDirectory, "DeleteDirectory"}, {3, D<&IFileSystem::DeleteDirectory>, "DeleteDirectory"},
{4, &IFileSystem::DeleteDirectoryRecursively, "DeleteDirectoryRecursively"}, {4, D<&IFileSystem::DeleteDirectoryRecursively>, "DeleteDirectoryRecursively"},
{5, &IFileSystem::RenameFile, "RenameFile"}, {5, D<&IFileSystem::RenameFile>, "RenameFile"},
{6, nullptr, "RenameDirectory"}, {6, nullptr, "RenameDirectory"},
{7, &IFileSystem::GetEntryType, "GetEntryType"}, {7, D<&IFileSystem::GetEntryType>, "GetEntryType"},
{8, &IFileSystem::OpenFile, "OpenFile"}, {8, D<&IFileSystem::OpenFile>, "OpenFile"},
{9, &IFileSystem::OpenDirectory, "OpenDirectory"}, {9, D<&IFileSystem::OpenDirectory>, "OpenDirectory"},
{10, &IFileSystem::Commit, "Commit"}, {10, D<&IFileSystem::Commit>, "Commit"},
{11, &IFileSystem::GetFreeSpaceSize, "GetFreeSpaceSize"}, {11, D<&IFileSystem::GetFreeSpaceSize>, "GetFreeSpaceSize"},
{12, &IFileSystem::GetTotalSpaceSize, "GetTotalSpaceSize"}, {12, D<&IFileSystem::GetTotalSpaceSize>, "GetTotalSpaceSize"},
{13, &IFileSystem::CleanDirectoryRecursively, "CleanDirectoryRecursively"}, {13, D<&IFileSystem::CleanDirectoryRecursively>, "CleanDirectoryRecursively"},
{14, &IFileSystem::GetFileTimeStampRaw, "GetFileTimeStampRaw"}, {14, D<&IFileSystem::GetFileTimeStampRaw>, "GetFileTimeStampRaw"},
{15, nullptr, "QueryEntry"}, {15, nullptr, "QueryEntry"},
{16, &IFileSystem::GetFileSystemAttribute, "GetFileSystemAttribute"}, {16, D<&IFileSystem::GetFileSystemAttribute>, "GetFileSystemAttribute"},
}; };
RegisterHandlers(functions); RegisterHandlers(functions);
} }
void IFileSystem::CreateFile(HLERequestContext& ctx) { Result IFileSystem::CreateFile(const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path,
IPC::RequestParser rp{ctx}; s32 option, s64 size) {
LOG_DEBUG(Service_FS, "called. file={}, option=0x{:X}, size=0x{:08X}", path->str, option, size);
const auto file_buffer = ctx.ReadBuffer(); R_RETURN(backend->CreateFile(FileSys::Path(path->str), size));
const std::string name = Common::StringFromBuffer(file_buffer);
const u64 file_mode = rp.Pop<u64>();
const u32 file_size = rp.Pop<u32>();
LOG_DEBUG(Service_FS, "called. file={}, mode=0x{:X}, size=0x{:08X}", name, file_mode,
file_size);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(backend.CreateFile(name, file_size));
} }
void IFileSystem::DeleteFile(HLERequestContext& ctx) { Result IFileSystem::DeleteFile(const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path) {
const auto file_buffer = ctx.ReadBuffer(); LOG_DEBUG(Service_FS, "called. file={}", path->str);
const std::string name = Common::StringFromBuffer(file_buffer);
LOG_DEBUG(Service_FS, "called. file={}", name); R_RETURN(backend->DeleteFile(FileSys::Path(path->str)));
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(backend.DeleteFile(name));
} }
void IFileSystem::CreateDirectory(HLERequestContext& ctx) { Result IFileSystem::CreateDirectory(
const auto file_buffer = ctx.ReadBuffer(); const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path) {
const std::string name = Common::StringFromBuffer(file_buffer); LOG_DEBUG(Service_FS, "called. directory={}", path->str);
LOG_DEBUG(Service_FS, "called. directory={}", name); R_RETURN(backend->CreateDirectory(FileSys::Path(path->str)));
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(backend.CreateDirectory(name));
} }
void IFileSystem::DeleteDirectory(HLERequestContext& ctx) { Result IFileSystem::DeleteDirectory(
const auto file_buffer = ctx.ReadBuffer(); const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path) {
const std::string name = Common::StringFromBuffer(file_buffer); LOG_DEBUG(Service_FS, "called. directory={}", path->str);
LOG_DEBUG(Service_FS, "called. directory={}", name); R_RETURN(backend->DeleteDirectory(FileSys::Path(path->str)));
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(backend.DeleteDirectory(name));
} }
void IFileSystem::DeleteDirectoryRecursively(HLERequestContext& ctx) { Result IFileSystem::DeleteDirectoryRecursively(
const auto file_buffer = ctx.ReadBuffer(); const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path) {
const std::string name = Common::StringFromBuffer(file_buffer); LOG_DEBUG(Service_FS, "called. directory={}", path->str);
LOG_DEBUG(Service_FS, "called. directory={}", name); R_RETURN(backend->DeleteDirectoryRecursively(FileSys::Path(path->str)));
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(backend.DeleteDirectoryRecursively(name));
} }
void IFileSystem::CleanDirectoryRecursively(HLERequestContext& ctx) { Result IFileSystem::CleanDirectoryRecursively(
const auto file_buffer = ctx.ReadBuffer(); const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path) {
const std::string name = Common::StringFromBuffer(file_buffer); LOG_DEBUG(Service_FS, "called. Directory: {}", path->str);
LOG_DEBUG(Service_FS, "called. Directory: {}", name); R_RETURN(backend->CleanDirectoryRecursively(FileSys::Path(path->str)));
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(backend.CleanDirectoryRecursively(name));
} }
void IFileSystem::RenameFile(HLERequestContext& ctx) { Result IFileSystem::RenameFile(
const std::string src_name = Common::StringFromBuffer(ctx.ReadBuffer(0)); const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> old_path,
const std::string dst_name = Common::StringFromBuffer(ctx.ReadBuffer(1)); const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> new_path) {
LOG_DEBUG(Service_FS, "called. file '{}' to file '{}'", old_path->str, new_path->str);
LOG_DEBUG(Service_FS, "called. file '{}' to file '{}'", src_name, dst_name); R_RETURN(backend->RenameFile(FileSys::Path(old_path->str), FileSys::Path(new_path->str)));
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(backend.RenameFile(src_name, dst_name));
} }
void IFileSystem::OpenFile(HLERequestContext& ctx) { Result IFileSystem::OpenFile(OutInterface<IFile> out_interface,
IPC::RequestParser rp{ctx}; const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path,
u32 mode) {
const auto file_buffer = ctx.ReadBuffer(); LOG_DEBUG(Service_FS, "called. file={}, mode={}", path->str, mode);
const std::string name = Common::StringFromBuffer(file_buffer);
const auto mode = static_cast<FileSys::OpenMode>(rp.Pop<u32>());
LOG_DEBUG(Service_FS, "called. file={}, mode={}", name, mode);
FileSys::VirtualFile vfs_file{}; FileSys::VirtualFile vfs_file{};
auto result = backend.OpenFile(&vfs_file, name, mode); R_TRY(backend->OpenFile(&vfs_file, FileSys::Path(path->str),
if (result != ResultSuccess) { static_cast<FileSys::OpenMode>(mode)));
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
return;
}
auto file = std::make_shared<IFile>(system, vfs_file); *out_interface = std::make_shared<IFile>(system, vfs_file);
R_SUCCEED();
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(ResultSuccess);
rb.PushIpcInterface<IFile>(std::move(file));
} }
void IFileSystem::OpenDirectory(HLERequestContext& ctx) { Result IFileSystem::OpenDirectory(OutInterface<IDirectory> out_interface,
IPC::RequestParser rp{ctx}; const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path,
u32 mode) {
const auto file_buffer = ctx.ReadBuffer(); LOG_DEBUG(Service_FS, "called. directory={}, mode={}", path->str, mode);
const std::string name = Common::StringFromBuffer(file_buffer);
const auto mode = rp.PopRaw<FileSys::OpenDirectoryMode>();
LOG_DEBUG(Service_FS, "called. directory={}, mode={}", name, mode);
FileSys::VirtualDir vfs_dir{}; FileSys::VirtualDir vfs_dir{};
auto result = backend.OpenDirectory(&vfs_dir, name); R_TRY(backend->OpenDirectory(&vfs_dir, FileSys::Path(path->str),
if (result != ResultSuccess) { static_cast<FileSys::OpenDirectoryMode>(mode)));
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
return;
}
auto directory = std::make_shared<IDirectory>(system, vfs_dir, mode); *out_interface = std::make_shared<IDirectory>(system, vfs_dir,
static_cast<FileSys::OpenDirectoryMode>(mode));
IPC::ResponseBuilder rb{ctx, 2, 0, 1}; R_SUCCEED();
rb.Push(ResultSuccess);
rb.PushIpcInterface<IDirectory>(std::move(directory));
} }
void IFileSystem::GetEntryType(HLERequestContext& ctx) { Result IFileSystem::GetEntryType(
const auto file_buffer = ctx.ReadBuffer(); Out<u32> out_type, const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path) {
const std::string name = Common::StringFromBuffer(file_buffer); LOG_DEBUG(Service_FS, "called. file={}", path->str);
LOG_DEBUG(Service_FS, "called. file={}", name);
FileSys::DirectoryEntryType vfs_entry_type{}; FileSys::DirectoryEntryType vfs_entry_type{};
auto result = backend.GetEntryType(&vfs_entry_type, name); R_TRY(backend->GetEntryType(&vfs_entry_type, FileSys::Path(path->str)));
if (result != ResultSuccess) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
return;
}
IPC::ResponseBuilder rb{ctx, 3}; *out_type = static_cast<u32>(vfs_entry_type);
rb.Push(ResultSuccess); R_SUCCEED();
rb.Push<u32>(static_cast<u32>(vfs_entry_type));
} }
void IFileSystem::Commit(HLERequestContext& ctx) { Result IFileSystem::Commit() {
LOG_WARNING(Service_FS, "(STUBBED) called"); LOG_WARNING(Service_FS, "(STUBBED) called");
IPC::ResponseBuilder rb{ctx, 2}; R_SUCCEED();
rb.Push(ResultSuccess);
} }
void IFileSystem::GetFreeSpaceSize(HLERequestContext& ctx) { Result IFileSystem::GetFreeSpaceSize(
Out<s64> out_size, const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path) {
LOG_DEBUG(Service_FS, "called"); LOG_DEBUG(Service_FS, "called");
IPC::ResponseBuilder rb{ctx, 4}; *out_size = size_getter.get_free_size();
rb.Push(ResultSuccess); R_SUCCEED();
rb.Push(size.get_free_size());
} }
void IFileSystem::GetTotalSpaceSize(HLERequestContext& ctx) { Result IFileSystem::GetTotalSpaceSize(
Out<s64> out_size, const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path) {
LOG_DEBUG(Service_FS, "called"); LOG_DEBUG(Service_FS, "called");
IPC::ResponseBuilder rb{ctx, 4}; *out_size = size_getter.get_total_size();
rb.Push(ResultSuccess); R_SUCCEED();
rb.Push(size.get_total_size());
} }
void IFileSystem::GetFileTimeStampRaw(HLERequestContext& ctx) { Result IFileSystem::GetFileTimeStampRaw(
const auto file_buffer = ctx.ReadBuffer(); Out<FileSys::FileTimeStampRaw> out_timestamp,
const std::string name = Common::StringFromBuffer(file_buffer); const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path) {
LOG_WARNING(Service_FS, "(Partial Implementation) called. file={}", path->str);
LOG_WARNING(Service_FS, "(Partial Implementation) called. file={}", name);
FileSys::FileTimeStampRaw vfs_timestamp{}; FileSys::FileTimeStampRaw vfs_timestamp{};
auto result = backend.GetFileTimeStampRaw(&vfs_timestamp, name); R_TRY(backend->GetFileTimeStampRaw(&vfs_timestamp, FileSys::Path(path->str)));
if (result != ResultSuccess) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
return;
}
IPC::ResponseBuilder rb{ctx, 10}; *out_timestamp = vfs_timestamp;
rb.Push(ResultSuccess); R_SUCCEED();
rb.PushRaw(vfs_timestamp);
} }
void IFileSystem::GetFileSystemAttribute(HLERequestContext& ctx) { Result IFileSystem::GetFileSystemAttribute(Out<FileSys::FileSystemAttribute> out_attribute) {
LOG_WARNING(Service_FS, "(STUBBED) called"); LOG_WARNING(Service_FS, "(STUBBED) called");
struct FileSystemAttribute { FileSys::FileSystemAttribute savedata_attribute{};
u8 dir_entry_name_length_max_defined;
u8 file_entry_name_length_max_defined;
u8 dir_path_name_length_max_defined;
u8 file_path_name_length_max_defined;
INSERT_PADDING_BYTES_NOINIT(0x5);
u8 utf16_dir_entry_name_length_max_defined;
u8 utf16_file_entry_name_length_max_defined;
u8 utf16_dir_path_name_length_max_defined;
u8 utf16_file_path_name_length_max_defined;
INSERT_PADDING_BYTES_NOINIT(0x18);
s32 dir_entry_name_length_max;
s32 file_entry_name_length_max;
s32 dir_path_name_length_max;
s32 file_path_name_length_max;
INSERT_PADDING_WORDS_NOINIT(0x5);
s32 utf16_dir_entry_name_length_max;
s32 utf16_file_entry_name_length_max;
s32 utf16_dir_path_name_length_max;
s32 utf16_file_path_name_length_max;
INSERT_PADDING_WORDS_NOINIT(0x18);
INSERT_PADDING_WORDS_NOINIT(0x1);
};
static_assert(sizeof(FileSystemAttribute) == 0xc0, "FileSystemAttribute has incorrect size");
FileSystemAttribute savedata_attribute{};
savedata_attribute.dir_entry_name_length_max_defined = true; savedata_attribute.dir_entry_name_length_max_defined = true;
savedata_attribute.file_entry_name_length_max_defined = true; savedata_attribute.file_entry_name_length_max_defined = true;
savedata_attribute.dir_entry_name_length_max = 0x40; savedata_attribute.dir_entry_name_length_max = 0x40;
savedata_attribute.file_entry_name_length_max = 0x40; savedata_attribute.file_entry_name_length_max = 0x40;
IPC::ResponseBuilder rb{ctx, 50}; *out_attribute = savedata_attribute;
rb.Push(ResultSuccess); R_SUCCEED();
rb.PushRaw(savedata_attribute);
} }
} // namespace Service::FileSystem } // namespace Service::FileSystem

View file

@ -3,36 +3,58 @@
#pragma once #pragma once
#include "common/common_funcs.h"
#include "core/file_sys/fs_filesystem.h"
#include "core/file_sys/fsa/fs_i_filesystem.h"
#include "core/file_sys/vfs/vfs.h" #include "core/file_sys/vfs/vfs.h"
#include "core/hle/service/cmif_types.h"
#include "core/hle/service/filesystem/filesystem.h" #include "core/hle/service/filesystem/filesystem.h"
#include "core/hle/service/filesystem/fsp/fsp_util.h" #include "core/hle/service/filesystem/fsp/fsp_util.h"
#include "core/hle/service/service.h" #include "core/hle/service/service.h"
namespace FileSys::Sf {
struct Path;
}
namespace Service::FileSystem { namespace Service::FileSystem {
class IFile;
class IDirectory;
class IFileSystem final : public ServiceFramework<IFileSystem> { class IFileSystem final : public ServiceFramework<IFileSystem> {
public: public:
explicit IFileSystem(Core::System& system_, FileSys::VirtualDir backend_, SizeGetter size_); explicit IFileSystem(Core::System& system_, FileSys::VirtualDir dir_, SizeGetter size_getter_);
void CreateFile(HLERequestContext& ctx); Result CreateFile(const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path, s32 option,
void DeleteFile(HLERequestContext& ctx); s64 size);
void CreateDirectory(HLERequestContext& ctx); Result DeleteFile(const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path);
void DeleteDirectory(HLERequestContext& ctx); Result CreateDirectory(const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path);
void DeleteDirectoryRecursively(HLERequestContext& ctx); Result DeleteDirectory(const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path);
void CleanDirectoryRecursively(HLERequestContext& ctx); Result DeleteDirectoryRecursively(
void RenameFile(HLERequestContext& ctx); const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path);
void OpenFile(HLERequestContext& ctx); Result CleanDirectoryRecursively(
void OpenDirectory(HLERequestContext& ctx); const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path);
void GetEntryType(HLERequestContext& ctx); Result RenameFile(const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> old_path,
void Commit(HLERequestContext& ctx); const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> new_path);
void GetFreeSpaceSize(HLERequestContext& ctx); Result OpenFile(OutInterface<IFile> out_interface,
void GetTotalSpaceSize(HLERequestContext& ctx); const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path, u32 mode);
void GetFileTimeStampRaw(HLERequestContext& ctx); Result OpenDirectory(OutInterface<IDirectory> out_interface,
void GetFileSystemAttribute(HLERequestContext& ctx); const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path,
u32 mode);
Result GetEntryType(Out<u32> out_type,
const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path);
Result Commit();
Result GetFreeSpaceSize(Out<s64> out_size,
const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path);
Result GetTotalSpaceSize(Out<s64> out_size,
const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path);
Result GetFileTimeStampRaw(Out<FileSys::FileTimeStampRaw> out_timestamp,
const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path);
Result GetFileSystemAttribute(Out<FileSys::FileSystemAttribute> out_attribute);
private: private:
VfsDirectoryServiceWrapper backend; std::unique_ptr<FileSys::Fsa::IFileSystem> backend;
SizeGetter size; SizeGetter size_getter;
}; };
} // namespace Service::FileSystem } // namespace Service::FileSystem