Struct Layer 

pub struct Layer<F, L = Base>(/* private fields */);

One processing layer wrapped around an existing filter chain.

Values of this type are created by Io::add_filter. F is the outer, newly added layer and L is the previously installed inner chain.

Trait Implementations

impl<F: Debug, L: Debug> Debug for Layer<F, L>

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

Formats the value using the given formatter.

impl<F, L> Filter for Layer<F, L>

where F: FilterLayer, L: Filter,

fn query(&self, id: TypeId) -> Option<Box<dyn Any>>

Returns type-indexed information exposed by this chain.

fn shutdown(&self, ctx: &mut FilterCtx<'_>) -> Result<Poll<()>>

Performs graceful shutdown from the outermost layer toward the transport.

fn process_read_buf(&self, ctx: &mut FilterCtx<'_>) -> Result<()>

Processes incoming data from the transport toward the application.

fn process_write_buf(&self, ctx: &mut FilterCtx<'_>) -> Result<()>

Processes outgoing data from the application toward the transport.

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

Checks whether transport read operations may proceed.

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

Checks whether transport write operations may proceed.