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HLE/FS: Implemented GetFormatInfo

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Format information is currently only implemented for the ExtSaveData, SharedExtSaveData and SaveData archives, the information is stored in a file alongside the root folder of the archive.
This commit is contained in:
Subv
2015-12-28 13:51:44 -05:00
parent 9b2d643451
commit d26c6b3212
19 changed files with 257 additions and 62 deletions
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32
src/core/file_sys/archive_savedata.cpp
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@ -31,6 +31,12 @@ static std::string GetSaveDataPath(const std::string& mount_location, u64 progra
return Common::StringFromFormat("%s%08x/%08x/data/00000001/", mount_location.c_str(), high, low);
}
static std::string GetSaveDataMetadataPath(const std::string& mount_location, u64 program_id) {
u32 high = program_id >> 32;
u32 low = program_id & 0xFFFFFFFF;
return Common::StringFromFormat("%s%08x/%08x/data/00000001.metadata", mount_location.c_str(), high, low);
}
ArchiveFactory_SaveData::ArchiveFactory_SaveData(const std::string& sdmc_directory)
: mount_point(GetSaveDataContainerPath(sdmc_directory)) {
LOG_INFO(Service_FS, "Directory %s set as SaveData.", this->mount_point.c_str());
@ -51,11 +57,35 @@ ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SaveData::Open(const P
return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
}
ResultCode ArchiveFactory_SaveData::Format(const Path& path) {
ResultCode ArchiveFactory_SaveData::Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) {
std::string concrete_mount_point = GetSaveDataPath(mount_point, Kernel::g_current_process->codeset->program_id);
FileUtil::DeleteDirRecursively(concrete_mount_point);
FileUtil::CreateFullPath(concrete_mount_point);
// Write the format metadata
std::string metadata_path = GetSaveDataMetadataPath(mount_point, Kernel::g_current_process->codeset->program_id);
FileUtil::IOFile file(metadata_path, "wb");
if (file.IsOpen()) {
file.WriteBytes(&format_info, sizeof(format_info));
return RESULT_SUCCESS;
}
return RESULT_SUCCESS;
}
ResultVal<ArchiveFormatInfo> ArchiveFactory_SaveData::GetFormatInfo(const Path& path) const {
std::string metadata_path = GetSaveDataMetadataPath(mount_point, Kernel::g_current_process->codeset->program_id);
FileUtil::IOFile file(metadata_path, "rb");
if (file.IsOpen()) {
ArchiveFormatInfo info;
file.ReadBytes(&info, sizeof(info));
return MakeResult<ArchiveFormatInfo>(info);
}
LOG_ERROR(Service_FS, "Could not open metadata information for archive");
// TODO(Subv): Verify error code
return ResultCode(ErrorDescription::FS_NotFormatted, ErrorModule::FS, ErrorSummary::InvalidState, ErrorLevel::Status);
}
} // namespace FileSys