Atmosphere/libraries/libstratosphere/include/stratosphere/fssystem/fssystem_partition_file_system.hpp

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/*
* Copyright (c) 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/fssystem/fssystem_partition_file_system_meta.hpp>
#include <stratosphere/fs/fsa/fs_ifile.hpp>
#include <stratosphere/fs/fsa/fs_idirectory.hpp>
#include <stratosphere/fs/fsa/fs_ifilesystem.hpp>
namespace ams::fssystem {
template<typename MetaType>
class PartitionFileSystemCore : public fs::impl::Newable, public fs::fsa::IFileSystem {
NON_COPYABLE(PartitionFileSystemCore);
NON_MOVEABLE(PartitionFileSystemCore);
private:
class PartitionFile;
class PartitionDirectory;
private:
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fs::IStorage *m_base_storage;
MetaType *m_meta_data;
bool m_initialized;
size_t m_meta_data_size;
std::unique_ptr<MetaType> m_unique_meta_data;
std::shared_ptr<fs::IStorage> m_shared_storage;
private:
Result Initialize(fs::IStorage *base_storage, MemoryResource *allocator);
public:
PartitionFileSystemCore();
virtual ~PartitionFileSystemCore() override;
Result Initialize(std::unique_ptr<MetaType> &&meta_data, std::shared_ptr<fs::IStorage> base_storage);
Result Initialize(MetaType *meta_data, std::shared_ptr<fs::IStorage> base_storage);
Result Initialize(fs::IStorage *base_storage);
Result Initialize(std::shared_ptr<fs::IStorage> base_storage);
Result Initialize(std::shared_ptr<fs::IStorage> base_storage, MemoryResource *allocator);
Result GetFileBaseOffset(s64 *out_offset, const char *path);
virtual Result DoCreateFile(const fs::Path &path, s64 size, int option) override;
virtual Result DoDeleteFile(const fs::Path &path) override;
virtual Result DoCreateDirectory(const fs::Path &path) override;
virtual Result DoDeleteDirectory(const fs::Path &path) override;
virtual Result DoDeleteDirectoryRecursively(const fs::Path &path) override;
virtual Result DoRenameFile(const fs::Path &old_path, const fs::Path &new_path) override;
virtual Result DoRenameDirectory(const fs::Path &old_path, const fs::Path &new_path) override;
virtual Result DoGetEntryType(fs::DirectoryEntryType *out, const fs::Path &path) override;
virtual Result DoOpenFile(std::unique_ptr<fs::fsa::IFile> *out_file, const fs::Path &path, fs::OpenMode mode) override;
virtual Result DoOpenDirectory(std::unique_ptr<fs::fsa::IDirectory> *out_dir, const fs::Path &path, fs::OpenDirectoryMode mode) override;
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virtual Result DoCommit() override;
virtual Result DoCleanDirectoryRecursively(const fs::Path &path) override;
/* These aren't accessible as commands. */
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virtual Result DoCommitProvisionally(s64 counter) override;
};
using PartitionFileSystem = PartitionFileSystemCore<PartitionFileSystemMeta>;
using Sha256PartitionFileSystem = PartitionFileSystemCore<Sha256PartitionFileSystemMeta>;
}