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cfg: access FS via backend directly

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This commit is contained in:
Weiyi Wang 2018-09-28 17:32:05 -04:00
parent 2757eff122
commit bcb5d438a9
2 changed files with 22 additions and 17 deletions
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31
src/core/hle/service/cfg/cfg.cpp
View file

@ -5,6 +5,7 @@
#include <algorithm>
#include <cryptopp/osrng.h>
#include <cryptopp/sha.h>
#include "common/common_paths.h"
#include "common/file_util.h"
#include "common/logging/log.h"
#include "common/string_util.h"
@ -388,7 +389,7 @@ ResultCode Module::CreateConfigInfoBlk(u32 block_id, u16 size, u16 flags, const
ResultCode Module::DeleteConfigNANDSaveFile() {
FileSys::Path path("/config");
return Service::FS::DeleteFileFromArchive(cfg_system_save_data_archive, path);
return cfg_system_save_data_archive->DeleteFile(path);
}
ResultCode Module::UpdateConfigNANDSavegame() {
@ -398,11 +399,11 @@ ResultCode Module::UpdateConfigNANDSavegame() {
FileSys::Path path("/config");
auto config_result = Service::FS::OpenFileFromArchive(cfg_system_save_data_archive, path, mode);
auto config_result = cfg_system_save_data_archive->OpenFile(path, mode);
ASSERT_MSG(config_result.Succeeded(), "could not open file");
auto config = std::move(config_result).Unwrap();
config->backend->Write(0, CONFIG_SAVEFILE_SIZE, 1, cfg_config_file_buffer.data());
config->Write(0, CONFIG_SAVEFILE_SIZE, 1, cfg_config_file_buffer.data());
return RESULT_SUCCESS;
}
@ -527,36 +528,36 @@ ResultCode Module::FormatConfig() {
}
ResultCode Module::LoadConfigNANDSaveFile() {
std::string nand_directory = FileUtil::GetUserPath(FileUtil::UserPath::NANDDir);
FileSys::ArchiveFactory_SystemSaveData systemsavedata_factory(nand_directory);
// Open the SystemSaveData archive 0x00010017
FileSys::Path archive_path(cfg_system_savedata_id);
auto archive_result =
Service::FS::OpenArchive(Service::FS::ArchiveIdCode::SystemSaveData, archive_path);
auto archive_result = systemsavedata_factory.Open(archive_path);
// If the archive didn't exist, create the files inside
if (archive_result.Code() == FileSys::ERR_NOT_FORMATTED) {
// Format the archive to create the directories
Service::FS::FormatArchive(Service::FS::ArchiveIdCode::SystemSaveData,
FileSys::ArchiveFormatInfo(), archive_path);
systemsavedata_factory.Format(archive_path, FileSys::ArchiveFormatInfo());
// Open it again to get a valid archive now that the folder exists
archive_result =
Service::FS::OpenArchive(Service::FS::ArchiveIdCode::SystemSaveData, archive_path);
cfg_system_save_data_archive = systemsavedata_factory.Open(archive_path).Unwrap();
} else {
ASSERT_MSG(archive_result.Succeeded(), "Could not open the CFG SystemSaveData archive!");
cfg_system_save_data_archive = std::move(archive_result).Unwrap();
}
ASSERT_MSG(archive_result.Succeeded(), "Could not open the CFG SystemSaveData archive!");
cfg_system_save_data_archive = *archive_result;
FileSys::Path config_path("/config");
FileSys::Mode open_mode = {};
open_mode.read_flag.Assign(1);
auto config_result = Service::FS::OpenFileFromArchive(*archive_result, config_path, open_mode);
auto config_result = cfg_system_save_data_archive->OpenFile(config_path, open_mode);
// Read the file if it already exists
if (config_result.Succeeded()) {
auto config = std::move(config_result).Unwrap();
config->backend->Read(0, CONFIG_SAVEFILE_SIZE, cfg_config_file_buffer.data());
config->Read(0, CONFIG_SAVEFILE_SIZE, cfg_config_file_buffer.data());
return RESULT_SUCCESS;
}

8
src/core/hle/service/cfg/cfg.h
View file

@ -8,7 +8,11 @@
#include <memory>
#include <string>
#include "common/common_types.h"
#include "core/hle/service/fs/archive.h"
#include "core/hle/service/service.h"
namespace FileSys {
class ArchiveBackend;
}
namespace Service::CFG {
@ -399,7 +403,7 @@ public:
private:
static constexpr u32 CONFIG_SAVEFILE_SIZE = 0x8000;
std::array<u8, CONFIG_SAVEFILE_SIZE> cfg_config_file_buffer;
Service::FS::ArchiveHandle cfg_system_save_data_archive;
std::unique_ptr<FileSys::ArchiveBackend> cfg_system_save_data_archive;
u32 preferred_region_code = 0;
};