Atmosphere/libraries/libstratosphere/source/fs/fsa/fs_filesystem_accessor.hpp

98 lines
4.5 KiB
C++

/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <stratosphere.hpp>
#include <stratosphere/fssrv/fssrv_interface_adapters.hpp>
#include "fs_mount_name.hpp"
namespace ams::fs::impl {
class FileAccessor;
class DirectoryAccessor;
class FileSystemAccessor : public util::IntrusiveListBaseNode<FileSystemAccessor>, public Newable {
NON_COPYABLE(FileSystemAccessor);
friend class FileAccessor;
friend class DirectoryAccessor;
private:
using FileList = util::IntrusiveListBaseTraits<FileAccessor>::ListType;
using DirList = util::IntrusiveListBaseTraits<DirectoryAccessor>::ListType;
private:
MountName name;
std::unique_ptr<fsa::IFileSystem> impl;
FileList open_file_list;
DirList open_dir_list;
os::SdkMutex open_list_lock;
std::unique_ptr<fsa::ICommonMountNameGenerator> mount_name_generator;
bool access_log_enabled;
bool data_cache_attachable;
bool path_cache_attachable;
bool path_cache_attached;
bool multi_commit_supported;
public:
FileSystemAccessor(const char *name, std::unique_ptr<fsa::IFileSystem> &&fs, std::unique_ptr<fsa::ICommonMountNameGenerator> &&generator = nullptr);
virtual ~FileSystemAccessor();
Result CreateFile(const char *path, s64 size, int option);
Result DeleteFile(const char *path);
Result CreateDirectory(const char *path);
Result DeleteDirectory(const char *path);
Result DeleteDirectoryRecursively(const char *path);
Result RenameFile(const char *old_path, const char *new_path);
Result RenameDirectory(const char *old_path, const char *new_path);
Result GetEntryType(DirectoryEntryType *out, const char *path);
Result OpenFile(std::unique_ptr<FileAccessor> *out_file, const char *path, OpenMode mode);
Result OpenDirectory(std::unique_ptr<DirectoryAccessor> *out_dir, const char *path, OpenDirectoryMode mode);
Result Commit();
Result GetFreeSpaceSize(s64 *out, const char *path);
Result GetTotalSpaceSize(s64 *out, const char *path);
Result CleanDirectoryRecursively(const char *path);
Result GetFileTimeStampRaw(FileTimeStampRaw *out, const char *path);
Result QueryEntry(char *dst, size_t dst_size, const char *src, size_t src_size, fsa::QueryId query, const char *path);
const char *GetName() const { return this->name.str; }
Result GetCommonMountName(char *dst, size_t dst_size) const;
void SetAccessLogEnabled(bool en) { this->access_log_enabled = en; }
void SetFileDataCacheAttachable(bool en) { this->data_cache_attachable = en; }
void SetPathBasedFileDataCacheAttachable(bool en) { this->path_cache_attachable = en; }
void SetMultiCommitSupported(bool en) { this->multi_commit_supported = en; }
bool IsEnabledAccessLog() const { return this->access_log_enabled; }
bool IsFileDataCacheAttachable() const { return this->data_cache_attachable; }
bool IsPathBasedFileDataCacheAttachable() const { return this->path_cache_attachable; }
void AttachPathBasedFileDataCache() {
if (this->IsPathBasedFileDataCacheAttachable()) {
this->path_cache_attached = true;
}
}
void DetachPathBasedFileDataCache() {
this->path_cache_attached = false;
}
std::shared_ptr<fssrv::impl::FileSystemInterfaceAdapter> GetMultiCommitTarget();
fsa::IFileSystem *GetRawFileSystemUnsafe() {
return this->impl.get();
}
private:
void NotifyCloseFile(FileAccessor *f);
void NotifyCloseDirectory(DirectoryAccessor *d);
};
}