Trait ChunkReader 

pub trait ChunkReader {
    type T: Read;

    // Required methods
    fn len(&self) -> u64;
    fn get_read(&self, offset_from_start: u64) -> Result<Self::T>;

    // Provided method
    fn get_bytes(&self, offset_from_start: u64, length: u64) -> Result<Bytes> { ... }
}

Primary source used for reading required bytes for operations.

Required Associated Types

type T: Read

Required Methods

fn len(&self) -> u64

Get total length of bytes. Useful for parsing the metadata located at the end of the file.

fn get_read(&self, offset_from_start: u64) -> Result<Self::T>

Get a reader starting at a specific offset.

Provided Methods

fn get_bytes(&self, offset_from_start: u64, length: u64) -> Result<Bytes>

Read bytes from an offset with specific length.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl ChunkReader for Bytes

type T = Reader<Bytes>

fn len(&self) -> u64

fn get_read(&self, offset_from_start: u64) -> Result<Self::T>

impl ChunkReader for File

fn get_read(&self, offset_from_start: u64) -> Result<Self::T>

Care needs to be taken when using this simultaneously as underlying file descriptor is the same and will be affected by other invocations.

See File::try_clone() for more details.

type T = BufReader<File>

fn len(&self) -> u64

Implementors