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fs.mitm: Cache IStorageInterfaces, store meta on SD instead of memory.

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This commit is contained in:
Michael Scire
2018-11-04 13:56:07 -08:00
parent 5d0aabaa44
commit 78a47dba6d
7 changed files with 176 additions and 39 deletions
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25
stratosphere/fs_mitm/source/fsmitm_romfsbuild.cpp
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@@ -399,23 +399,14 @@ void RomFSBuildContext::Build(std::vector<RomFSSourceInfo> *out_infos) {
header->file_hash_table_ofs = header->dir_table_ofs + header->dir_table_size;
header->file_table_ofs = header->file_hash_table_ofs + header->file_hash_table_size;
/* For debugging, uncomment this to get a log of the generated metadata tables. */
const size_t metadata_size = this->dir_hash_table_size + this->dir_table_size + this->file_hash_table_size + this->file_table_size;
{
FsFileSystem sd_fs;
if (R_SUCCEEDED(fsMountSdcard(&sd_fs))) {
FsFile f;
fsFsCreateFile(&sd_fs, "/METADATALOG.bin", this->dir_hash_table_size + this->dir_table_size + this->file_hash_table_size + this->file_table_size + sizeof(*header), 0);
if (R_SUCCEEDED(fsFsOpenFile(&sd_fs, "/METADATALOG.bin", FS_OPEN_READ | FS_OPEN_WRITE, &f))) {
fsFileSetSize(&f, this->dir_hash_table_size + this->dir_table_size + this->file_hash_table_size + this->file_table_size + sizeof(*header));
fsFileWrite(&f, 0, header, sizeof(*header));
fsFileWrite(&f, sizeof(*header), metadata, this->dir_hash_table_size + this->dir_table_size + this->file_hash_table_size + this->file_table_size);
fsFileClose(&f);
}
fsFsClose(&sd_fs);
}
}
/* Try to save metadata to the SD card, to save on memory space. */
if (R_SUCCEEDED(Utils::SaveSdFileForAtmosphere(this->title_id, ROMFS_METADATA_FILE_PATH, metadata, metadata_size))) {
out_infos->emplace_back(header->dir_hash_table_ofs, metadata_size, RomFSDataSource::MetaData);
delete metadata;
} else {
out_infos->emplace_back(header->dir_hash_table_ofs, metadata_size, metadata, RomFSDataSource::Memory);
}
out_infos->emplace_back(header->dir_hash_table_ofs, this->dir_hash_table_size + this->dir_table_size + this->file_hash_table_size + this->file_table_size, metadata, RomFSDataSource::Memory);
}