Atmosphere/libraries/libstratosphere/source/htcfs/htcfs_file_system_service_object.cpp

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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/>.
*/
#include <stratosphere.hpp>
#include "htcfs_file_system_service_object.hpp"
#include "htcfs_file_service_object.hpp"
#include "htcfs_directory_service_object.hpp"
#include "htcfs_client.hpp"
namespace ams::htcfs {
namespace {
struct DirectoryServiceObjectAllocatorTag;
struct FileServiceObjectAllocatorTag;
using DirectoryServiceObjectAllocator = ams::sf::ExpHeapStaticAllocator<4_KB, DirectoryServiceObjectAllocatorTag>;
using FileServiceObjectAllocator = ams::sf::ExpHeapStaticAllocator<4_KB, FileServiceObjectAllocatorTag>;
using DirectoryServiceObjectFactory = ams::sf::ObjectFactory<typename DirectoryServiceObjectAllocator::Policy>;
using FileServiceObjectFactory = ams::sf::ObjectFactory<typename FileServiceObjectAllocator::Policy>;
class StaticAllocatorInitializer {
public:
StaticAllocatorInitializer() {
DirectoryServiceObjectAllocator::Initialize(lmem::CreateOption_ThreadSafe);
FileServiceObjectAllocator::Initialize(lmem::CreateOption_ThreadSafe);
}
} g_static_allocator_initializer;
constexpr bool IsValidPath(const tma::Path &path) {
const auto len = util::Strnlen(path.str, fs::EntryNameLengthMax + 1);
return 0 < len && len < static_cast<int>(fs::EntryNameLengthMax + 1);
}
Result ConvertOpenMode(fs::OpenMode *out, u32 open_mode) {
switch (open_mode) {
case 1:
*out = fs::OpenMode_Read;
break;
case 2:
*out = static_cast<fs::OpenMode>(fs::OpenMode_Write | fs::OpenMode_AllowAppend);
break;
case 3:
*out = static_cast<fs::OpenMode>(fs::OpenMode_ReadWrite | fs::OpenMode_AllowAppend);
break;
default:
return htcfs::ResultInvalidArgument();
}
return ResultSuccess();
}
}
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Result FileSystemServiceObject::OpenFile(sf::Out<sf::SharedPointer<tma::IFileAccessor>> out, const tma::Path &path, u32 open_mode, bool case_sensitive) {
/* Check that the path is valid. */
R_UNLESS(IsValidPath(path), htcfs::ResultInvalidArgument());
/* Convert the open mode. */
fs::OpenMode fs_open_mode;
R_TRY(ConvertOpenMode(std::addressof(fs_open_mode), open_mode));
/* Open the file. */
s32 handle = -1;
R_TRY(htcfs::GetClient().OpenFile(std::addressof(handle), path.str, fs_open_mode, case_sensitive));
/* Set the output file. */
*out = FileServiceObjectFactory::CreateSharedEmplaced<tma::IFileAccessor, FileServiceObject>(handle);
return ResultSuccess();
}
Result FileSystemServiceObject::FileExists(sf::Out<bool> out, const tma::Path &path, bool case_sensitive) {
/* Check that the path is valid. */
R_UNLESS(IsValidPath(path), htcfs::ResultInvalidArgument());
/* Get whether the file exists. */
return htcfs::GetClient().FileExists(out.GetPointer(), path.str, case_sensitive);
}
Result FileSystemServiceObject::DeleteFile(const tma::Path &path, bool case_sensitive) {
/* Check that the path is valid. */
R_UNLESS(IsValidPath(path), htcfs::ResultInvalidArgument());
/* Delete the file. */
return htcfs::GetClient().DeleteFile(path.str, case_sensitive);
}
Result FileSystemServiceObject::RenameFile(const tma::Path &old_path, const tma::Path &new_path, bool case_sensitive) {
/* Check that the paths are valid. */
R_UNLESS(IsValidPath(old_path), htcfs::ResultInvalidArgument());
R_UNLESS(IsValidPath(new_path), htcfs::ResultInvalidArgument());
/* Rename the file. */
return htcfs::GetClient().RenameFile(old_path.str, new_path.str, case_sensitive);
}
Result FileSystemServiceObject::GetIOType(sf::Out<s32> out, const tma::Path &path, bool case_sensitive) {
/* Check that the path is valid. */
R_UNLESS(IsValidPath(path), htcfs::ResultInvalidArgument());
/* Get the entry type. */
static_assert(sizeof(s32) == sizeof(fs::DirectoryEntryType));
return htcfs::GetClient().GetEntryType(reinterpret_cast<fs::DirectoryEntryType *>(out.GetPointer()), path.str, case_sensitive);
}
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Result FileSystemServiceObject::OpenDirectory(sf::Out<sf::SharedPointer<tma::IDirectoryAccessor>> out, const tma::Path &path, s32 open_mode, bool case_sensitive) {
/* Check that the path is valid. */
R_UNLESS(IsValidPath(path), htcfs::ResultInvalidArgument());
/* Open the directory. */
s32 handle = -1;
R_TRY(htcfs::GetClient().OpenDirectory(std::addressof(handle), path.str, static_cast<fs::OpenDirectoryMode>(open_mode), case_sensitive));
/* Set the output directory. */
*out = DirectoryServiceObjectFactory::CreateSharedEmplaced<tma::IDirectoryAccessor, DirectoryServiceObject>(handle);
return ResultSuccess();
}
Result FileSystemServiceObject::DirectoryExists(sf::Out<bool> out, const tma::Path &path, bool case_sensitive) {
/* Check that the path is valid. */
R_UNLESS(IsValidPath(path), htcfs::ResultInvalidArgument());
/* Get whether the file exists. */
return htcfs::GetClient().DirectoryExists(out.GetPointer(), path.str, case_sensitive);
}
Result FileSystemServiceObject::CreateDirectory(const tma::Path &path, bool case_sensitive) {
/* Check that the path is valid. */
R_UNLESS(IsValidPath(path), htcfs::ResultInvalidArgument());
/* Create the directory. */
return htcfs::GetClient().CreateDirectory(path.str, case_sensitive);
}
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Result FileSystemServiceObject::DeleteDirectory(const tma::Path &path, bool recursively, bool case_sensitive) {
/* Check that the path is valid. */
R_UNLESS(IsValidPath(path), htcfs::ResultInvalidArgument());
/* Delete the directory. */
return htcfs::GetClient().DeleteDirectory(path.str, recursively, case_sensitive);
}
Result FileSystemServiceObject::RenameDirectory(const tma::Path &old_path, const tma::Path &new_path, bool case_sensitive) {
/* Check that the paths are valid. */
R_UNLESS(IsValidPath(old_path), htcfs::ResultInvalidArgument());
R_UNLESS(IsValidPath(new_path), htcfs::ResultInvalidArgument());
/* Rename the file. */
return htcfs::GetClient().RenameDirectory(old_path.str, new_path.str, case_sensitive);
}
Result FileSystemServiceObject::CreateFile(const tma::Path &path, s64 size, bool case_sensitive) {
/* Check that the path is valid. */
R_UNLESS(IsValidPath(path), htcfs::ResultInvalidArgument());
/* Create the file. */
return htcfs::GetClient().CreateFile(path.str, size, case_sensitive);
}
Result FileSystemServiceObject::GetFileTimeStamp(sf::Out<u64> out_create, sf::Out<u64> out_access, sf::Out<u64> out_modify, const tma::Path &path, bool case_sensitive) {
/* Check that the path is valid. */
R_UNLESS(IsValidPath(path), htcfs::ResultInvalidArgument());
/* Get the timestamp. */
return htcfs::GetClient().GetFileTimeStamp(out_create.GetPointer(), out_access.GetPointer(), out_modify.GetPointer(), path.str, case_sensitive);
}
Result FileSystemServiceObject::GetCaseSensitivePath(const tma::Path &path, const sf::OutBuffer &out) {
/* Check that the path is valid. */
R_UNLESS(IsValidPath(path), htcfs::ResultInvalidArgument());
/* Get the case sensitive path. */
return htcfs::GetClient().GetCaseSensitivePath(reinterpret_cast<char *>(out.GetPointer()), out.GetSize(), path.str);
}
Result FileSystemServiceObject::GetDiskFreeSpaceExW(sf::Out<s64> out_free, sf::Out<s64> out_total, sf::Out<s64> out_total_free, const tma::Path &path) {
/* Check that the path is valid. */
R_UNLESS(IsValidPath(path), htcfs::ResultInvalidArgument());
/* Get the timestamp. */
return htcfs::GetClient().GetDiskFreeSpace(out_free.GetPointer(), out_total.GetPointer(), out_total_free.GetPointer(), path.str);
}
}