Struct IoContext

pub struct IoContext(/* private fields */);

Context for io read task

Implementations

impl IoContext

pub fn tag(&self) -> &'static str

Io tag

pub fn poll_read_ready(&self, cx: &mut Context<'_>) -> Poll<ReadStatus>

Check readiness for read operations

pub fn poll_write_ready(&self, cx: &mut Context<'_>) -> Poll<WriteStatus>

Check readiness for write operations

pub fn stopped(&self, e: Option<Error>)

Get io error

pub async fn shutdown(&self, flush_buf: bool)

Wait when io get closed or preparing for close

pub fn get_read_buf(&self) -> Poll<BytesVec>

Get read buffer

pub fn release_read_buf(&self, buf: BytesVec)

pub fn set_read_buf(&self, result: Result<usize>, buf: BytesVec) -> Poll<()>

Set read buffer

pub fn get_write_buf(&self) -> Poll<BytesVec>

Get write buffer

pub fn release_write_buf(&self, buf: BytesVec)

pub fn set_write_buf(&self, result: Result<usize>, buf: BytesVec) -> Poll<()>

Set write buffer

pub fn with_read_buf<F>(&self, f: F) -> Poll<()>

where F: FnOnce(&mut BytesVec) -> Poll<Result<usize>>,

Get read buffer

pub fn with_write_buf<F>(&self, f: F) -> Poll<()>

where F: FnOnce(&BytesVec) -> Poll<Result<usize>>,

Trait Implementations

impl Clone for IoContext

fn clone(&self) -> Self

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for IoContext

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

Formats the value using the given formatter.