mirror of
https://github.com/Atmosphere-NX/Atmosphere
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266 lines
13 KiB
C++
266 lines
13 KiB
C++
/*
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* Copyright (c) Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stratosphere.hpp>
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#include "fs_filesystem_accessor.hpp"
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#include "fs_file_accessor.hpp"
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#include "fs_directory_accessor.hpp"
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#include "fs_mount_utils.hpp"
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#include "fs_user_mount_table.hpp"
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namespace ams::fs {
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Result CreateFile(const char *path, s64 size) {
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return CreateFile(path, size, 0);
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}
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Result CreateFile(const char* path, s64 size, int option) {
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impl::FileSystemAccessor *accessor;
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const char *sub_path;
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_UNLESS_R_SUCCEEDED(impl::FindFileSystem(std::addressof(accessor), std::addressof(sub_path), path), AMS_FS_IMPL_ACCESS_LOG_FORMAT_PATH, path));
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_FILESYSTEM(accessor->CreateFile(sub_path, size, option), nullptr, accessor, AMS_FS_IMPL_ACCESS_LOG_FORMAT_PATH_AND_SIZE, path, size));
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return ResultSuccess();
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}
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Result DeleteFile(const char *path) {
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impl::FileSystemAccessor *accessor;
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const char *sub_path;
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_UNLESS_R_SUCCEEDED(impl::FindFileSystem(std::addressof(accessor), std::addressof(sub_path), path), AMS_FS_IMPL_ACCESS_LOG_FORMAT_PATH, path));
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_FILESYSTEM(accessor->DeleteFile(sub_path), nullptr, accessor, AMS_FS_IMPL_ACCESS_LOG_FORMAT_PATH, path));
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return ResultSuccess();
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}
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Result CreateDirectory(const char *path) {
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impl::FileSystemAccessor *accessor;
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const char *sub_path;
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_UNLESS_R_SUCCEEDED(impl::FindFileSystem(std::addressof(accessor), std::addressof(sub_path), path), AMS_FS_IMPL_ACCESS_LOG_FORMAT_PATH, path));
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_FILESYSTEM(accessor->CreateDirectory(sub_path), nullptr, accessor, AMS_FS_IMPL_ACCESS_LOG_FORMAT_PATH, path));
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return ResultSuccess();
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}
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Result DeleteDirectory(const char *path) {
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impl::FileSystemAccessor *accessor;
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const char *sub_path;
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_UNLESS_R_SUCCEEDED(impl::FindFileSystem(std::addressof(accessor), std::addressof(sub_path), path), AMS_FS_IMPL_ACCESS_LOG_FORMAT_PATH, path));
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_FILESYSTEM(accessor->DeleteDirectory(sub_path), nullptr, accessor, AMS_FS_IMPL_ACCESS_LOG_FORMAT_PATH, path));
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return ResultSuccess();
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}
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Result DeleteDirectoryRecursively(const char *path) {
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impl::FileSystemAccessor *accessor;
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const char *sub_path;
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_UNLESS_R_SUCCEEDED(impl::FindFileSystem(std::addressof(accessor), std::addressof(sub_path), path), AMS_FS_IMPL_ACCESS_LOG_FORMAT_PATH, path));
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_FILESYSTEM(accessor->DeleteDirectoryRecursively(sub_path), nullptr, accessor, AMS_FS_IMPL_ACCESS_LOG_FORMAT_PATH, path));
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return ResultSuccess();
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}
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Result RenameFile(const char *old_path, const char *new_path) {
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impl::FileSystemAccessor *old_accessor;
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impl::FileSystemAccessor *new_accessor;
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const char *old_sub_path;
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const char *new_sub_path;
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_UNLESS_R_SUCCEEDED(impl::FindFileSystem(std::addressof(old_accessor), std::addressof(old_sub_path), old_path), AMS_FS_IMPL_ACCESS_LOG_FORMAT_RENAME, old_path, new_path));
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_UNLESS_R_SUCCEEDED(impl::FindFileSystem(std::addressof(new_accessor), std::addressof(new_sub_path), new_path), AMS_FS_IMPL_ACCESS_LOG_FORMAT_RENAME, old_path, new_path));
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auto rename_impl = [=]() -> Result {
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R_UNLESS(old_accessor == new_accessor, fs::ResultRenameToOtherFileSystem());
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R_TRY(old_accessor->RenameFile(old_sub_path, new_sub_path));
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return ResultSuccess();
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};
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_FILESYSTEM(rename_impl(), nullptr, old_accessor, AMS_FS_IMPL_ACCESS_LOG_FORMAT_RENAME, old_path, new_path));
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return ResultSuccess();
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}
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Result RenameDirectory(const char *old_path, const char *new_path) {
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impl::FileSystemAccessor *old_accessor;
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impl::FileSystemAccessor *new_accessor;
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const char *old_sub_path;
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const char *new_sub_path;
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_UNLESS_R_SUCCEEDED(impl::FindFileSystem(std::addressof(old_accessor), std::addressof(old_sub_path), old_path), AMS_FS_IMPL_ACCESS_LOG_FORMAT_RENAME, old_path, new_path));
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_UNLESS_R_SUCCEEDED(impl::FindFileSystem(std::addressof(new_accessor), std::addressof(new_sub_path), new_path), AMS_FS_IMPL_ACCESS_LOG_FORMAT_RENAME, old_path, new_path));
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auto rename_impl = [=]() -> Result {
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R_UNLESS(old_accessor == new_accessor, fs::ResultRenameToOtherFileSystem());
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R_TRY(old_accessor->RenameDirectory(old_sub_path, new_sub_path));
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return ResultSuccess();
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};
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_FILESYSTEM(rename_impl(), nullptr, old_accessor, AMS_FS_IMPL_ACCESS_LOG_FORMAT_RENAME, old_path, new_path));
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return ResultSuccess();
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}
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Result GetEntryType(DirectoryEntryType *out, const char *path) {
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impl::FileSystemAccessor *accessor;
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const char *sub_path;
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_UNLESS_R_SUCCEEDED(impl::FindFileSystem(std::addressof(accessor), std::addressof(sub_path), path), AMS_FS_IMPL_ACCESS_LOG_FORMAT_PATH, path));
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_FILESYSTEM(accessor->GetEntryType(out, sub_path), nullptr, accessor, AMS_FS_IMPL_ACCESS_LOG_FORMAT_GET_ENTRY_TYPE(out, path)));
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return ResultSuccess();
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}
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Result OpenFile(FileHandle *out_file, const char *path, int mode) {
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impl::FileSystemAccessor *accessor;
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const char *sub_path;
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_UNLESS_R_SUCCEEDED(impl::FindFileSystem(std::addressof(accessor), std::addressof(sub_path), path), AMS_FS_IMPL_ACCESS_LOG_FORMAT_PATH_AND_OPEN_MODE, path, static_cast<u32>(mode)));
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std::unique_ptr<impl::FileAccessor> file_accessor;
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auto open_impl = [&]() -> Result {
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R_UNLESS(out_file != nullptr, fs::ResultNullptrArgument());
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R_TRY(accessor->OpenFile(std::addressof(file_accessor), sub_path, static_cast<OpenMode>(mode)));
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return ResultSuccess();
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};
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_FILESYSTEM(open_impl(), nullptr, accessor, AMS_FS_IMPL_ACCESS_LOG_FORMAT_PATH_AND_OPEN_MODE, path, static_cast<u32>(mode)));
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out_file->handle = file_accessor.release();
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return ResultSuccess();
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}
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Result OpenDirectory(DirectoryHandle *out_dir, const char *path, int mode) {
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impl::FileSystemAccessor *accessor;
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const char *sub_path;
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_UNLESS_R_SUCCEEDED(impl::FindFileSystem(std::addressof(accessor), std::addressof(sub_path), path), AMS_FS_IMPL_ACCESS_LOG_FORMAT_PATH_AND_OPEN_MODE, path, static_cast<u32>(mode)));
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std::unique_ptr<impl::DirectoryAccessor> dir_accessor;
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auto open_impl = [&]() -> Result {
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R_UNLESS(out_dir != nullptr, fs::ResultNullptrArgument());
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R_TRY(accessor->OpenDirectory(std::addressof(dir_accessor), sub_path, static_cast<OpenDirectoryMode>(mode)));
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return ResultSuccess();
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};
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_FILESYSTEM(open_impl(), nullptr, accessor, AMS_FS_IMPL_ACCESS_LOG_FORMAT_PATH_AND_OPEN_MODE, path, static_cast<u32>(mode)));
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out_dir->handle = dir_accessor.release();
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return ResultSuccess();
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}
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Result CleanDirectoryRecursively(const char *path) {
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impl::FileSystemAccessor *accessor;
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const char *sub_path;
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_UNLESS_R_SUCCEEDED(impl::FindFileSystem(std::addressof(accessor), std::addressof(sub_path), path), AMS_FS_IMPL_ACCESS_LOG_FORMAT_PATH, path));
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_FILESYSTEM(accessor->CleanDirectoryRecursively(sub_path), nullptr, accessor, AMS_FS_IMPL_ACCESS_LOG_FORMAT_PATH, path));
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return ResultSuccess();
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}
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Result GetFreeSpaceSize(s64 *out, const char *path) {
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impl::FileSystemAccessor *accessor;
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const char *sub_path = nullptr;
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/* Get the accessor. */
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auto find_impl = [&]() -> Result {
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R_UNLESS(out != nullptr, fs::ResultNullptrArgument());
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R_UNLESS(path != nullptr, fs::ResultNullptrArgument());
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if (impl::IsValidMountName(path)) {
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R_TRY(impl::Find(std::addressof(accessor), path));
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} else {
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R_TRY(impl::FindFileSystem(std::addressof(accessor), std::addressof(sub_path), path));
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}
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return ResultSuccess();
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};
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_UNLESS_R_SUCCEEDED(find_impl(), AMS_FS_IMPL_ACCESS_LOG_FORMAT_GET_SPACE_SIZE(out, path)));
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/* Get the space size. */
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auto get_size_impl = [&]() -> Result {
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R_UNLESS(sub_path == nullptr || std::strcmp(sub_path, "/") == 0, fs::ResultInvalidMountName());
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R_TRY(accessor->GetFreeSpaceSize(out, "/"));
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return ResultSuccess();
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};
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_FILESYSTEM(get_size_impl(), nullptr, accessor, AMS_FS_IMPL_ACCESS_LOG_FORMAT_GET_SPACE_SIZE(out, path)));
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return ResultSuccess();
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}
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Result GetTotalSpaceSize(s64 *out, const char *path) {
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/* NOTE: Nintendo does not do access logging here, and does not support mount-name instead of path. */
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impl::FileSystemAccessor *accessor;
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const char *sub_path = nullptr;
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/* Get the accessor. */
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auto find_impl = [&]() -> Result {
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R_UNLESS(out != nullptr, fs::ResultNullptrArgument());
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R_UNLESS(path != nullptr, fs::ResultNullptrArgument());
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if (impl::IsValidMountName(path)) {
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R_TRY(impl::Find(std::addressof(accessor), path));
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} else {
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R_TRY(impl::FindFileSystem(std::addressof(accessor), std::addressof(sub_path), path));
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}
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return ResultSuccess();
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};
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_UNLESS_R_SUCCEEDED(find_impl(), AMS_FS_IMPL_ACCESS_LOG_FORMAT_GET_SPACE_SIZE(out, path)));
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/* Get the space size. */
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auto get_size_impl = [&]() -> Result {
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R_UNLESS(sub_path == nullptr || std::strcmp(sub_path, "/") == 0, fs::ResultInvalidMountName());
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R_TRY(accessor->GetTotalSpaceSize(out, "/"));
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return ResultSuccess();
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};
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_FILESYSTEM(get_size_impl(), nullptr, accessor, AMS_FS_IMPL_ACCESS_LOG_FORMAT_GET_SPACE_SIZE(out, path)));
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return ResultSuccess();
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}
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Result SetConcatenationFileAttribute(const char *path) {
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impl::FileSystemAccessor *accessor;
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const char *sub_path;
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AMS_FS_R_TRY(impl::FindFileSystem(std::addressof(accessor), std::addressof(sub_path), path));
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AMS_FS_R_TRY(accessor->QueryEntry(nullptr, 0, nullptr, 0, fsa::QueryId::SetConcatenationFileAttribute, sub_path));
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return ResultSuccess();
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}
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Result OpenFile(FileHandle *out, std::unique_ptr<fsa::IFile> &&file, int mode) {
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AMS_FS_R_UNLESS(out != nullptr, fs::ResultNullptrArgument());
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auto file_accessor = std::make_unique<impl::FileAccessor>(std::move(file), nullptr, static_cast<OpenMode>(mode));
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AMS_FS_R_UNLESS(file_accessor != nullptr, fs::ResultAllocationFailureInNew());
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out->handle = file_accessor.release();
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return ResultSuccess();
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}
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namespace {
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Result CommitImpl(const char *mount_name, const char *func_name) {
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impl::FileSystemAccessor *accessor{};
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_UNLESS_R_SUCCEEDED(impl::Find(std::addressof(accessor), mount_name), AMS_FS_IMPL_ACCESS_LOG_FORMAT_MOUNT, mount_name));
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AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_FILESYSTEM_WITH_NAME(accessor->Commit(), nullptr, accessor, func_name, AMS_FS_IMPL_ACCESS_LOG_FORMAT_MOUNT, mount_name));
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return ResultSuccess();
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}
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}
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Result Commit(const char *mount_name) {
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return CommitImpl(mount_name, AMS_CURRENT_FUNCTION_NAME);
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}
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Result CommitSaveData(const char *mount_name) {
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return CommitImpl(mount_name, AMS_CURRENT_FUNCTION_NAME);
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}
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}
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