Struct FileStorage 

pub struct FileStorage { /* private fields */ }

Simulates a flash storage using a host-based file.

This is usable for emulating authenticator hardware on VM hypervisor’s host OS.

Implementations

impl FileStorage

pub fn new(path: &Path, options: FileOptions) -> Result<FileStorage, Error>

Trait Implementations

impl Storage for FileStorage

fn word_size(&self) -> usize

The size of a word in bytes.

fn page_size(&self) -> usize

The size of a page in bytes.

fn num_pages(&self) -> usize

The number of pages in the storage.

fn max_word_writes(&self) -> usize

Maximum number of times a word can be written between page erasures.

fn max_page_erases(&self) -> usize

Maximum number of times a page can be erased.

fn read_slice( &self, index: StorageIndex, length: usize, ) -> Result<Cow<'_, [u8]>, Error>

Reads a byte slice from the storage.

fn write_slice( &mut self, index: StorageIndex, value: &[u8], ) -> Result<(), Error>

Writes a word slice to the storage.

fn erase_page(&mut self, page: usize) -> Result<(), Error>

Erases a page of the storage.