Method PopulateLayoutWithRTree

src/storage/storage.cpp:349–363

}

std::string Storage::PopulateLayoutWithRTree(storage::BaseDataLayout &layout)
{
    // Figure out the path to the rtree file (it's not a tar file)
    auto absolute_file_index_path = std::filesystem::absolute(config.GetPath(".osrm.fileIndex"));

    // Convert the std::filesystem::path object into a plain string
    // that can then be stored as a member of an allocator object
    auto rtree_filename = absolute_file_index_path.string();

    // Here, we hardcode the special file_index_path block name.
    // The important bit here is that the "offset" is set to zero
    layout.SetBlock("/common/rtree/file_index_path", make_block<char>(rtree_filename.length() + 1));

    return rtree_filename;
}

/**
 * This function examines all our data files and figures out how much