Struct nuts_directory::DirectoryBackend

pub struct DirectoryBackend { /* private fields */ }

Trait Implementations

impl Backend for DirectoryBackend

type CreateOptions = CreateOptions

Options used to create a backend instance.

type OpenOptions = OpenOptions

Options used to open a backend instance.

type Settings = Settings

Runtime configuration used by the backend.

type Err = Error

The error type used by methods of this trait.

type Id = Id

The id identifies a block in the storage. It is used everywhere you need a pointer to a block.

type Info = Info

Information of the backend.

fn info(&self) -> Result<Info, Error>

Returns information from the backend.

fn block_size(&self) -> u32

Returns the block size of the backend.

fn aquire(&mut self) -> Result<Self::Id, Error>

Aquires a new block in the backend.

fn release(&mut self, id: Self::Id) -> Result<(), Error>

Releases a block again.

fn read(&mut self, id: &Id, buf: &mut [u8]) -> Result<usize, Error>

Reads a block from the backend.

fn write(&mut self, id: &Id, buf: &[u8]) -> Result<usize, Error>

Writes a block into the backend.

impl Create<DirectoryBackend> for CreateOptions

fn settings(&self) -> Settings

Returns the settings of this backend instance.

fn build(self) -> Result<DirectoryBackend, Error>

Create an instance of the Backend.

impl Debug for DirectoryBackend

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl HeaderGet<DirectoryBackend> for DirectoryBackend

fn get_header_bytes(&mut self, bytes: &mut [u8; 512]) -> Result<(), Error>

Receives the binary header data from the backend.

impl HeaderGet<DirectoryBackend> for OpenOptions

fn get_header_bytes(&mut self, bytes: &mut [u8; 512]) -> Result<(), Error>

Receives the binary header data from the backend.

impl HeaderSet<DirectoryBackend> for CreateOptions

fn put_header_bytes(&mut self, bytes: &[u8; 512]) -> Result<(), Error>

Puts the given bytes into the header of the backend.

impl HeaderSet<DirectoryBackend> for DirectoryBackend

fn put_header_bytes(&mut self, bytes: &[u8; 512]) -> Result<(), Error>

Puts the given bytes into the header of the backend.

impl Open<DirectoryBackend> for OpenOptions

fn build(self, settings: Settings) -> Result<DirectoryBackend, Error>

Create an instance of the Backend.