Struct ResponseWriter

pub struct ResponseWriter { /* private fields */ }

The writer used for streaming response bodies.

Implementations

impl ResponseWriter

pub fn start_send_trailers( self: Pin<&mut Self>, trailers: HeaderMap, ) -> Result<(), Error>

Like Sink::start_send except that it sends the response’s trailers.

The body must be fully written before calling this method.

pub async fn send_trailers( self: Pin<&mut Self>, trailers: HeaderMap, ) -> Result<(), Error>

Like SinkExt::send except that it sends the response’s trailers.

The body must be fully written before calling this method.

Trait Implementations

impl AsyncWrite for ResponseWriter

fn poll_write( self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &[u8], ) -> Poll<Result<usize>>

Attempt to write bytes from buf into the object.

fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<()>>

Attempts to flush the object, ensuring that any buffered data reach their destination.

fn poll_shutdown(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<()>>

Initiates or attempts to shut down this writer, returning success when the I/O connection has completely shut down.

fn poll_write_vectored( self: Pin<&mut Self>, cx: &mut Context<'_>, bufs: &[IoSlice<'_>], ) -> Poll<Result<usize, Error>>

Like poll_write, except that it writes from a slice of buffers.

fn is_write_vectored(&self) -> bool

Determines if this writer has an efficient poll_write_vectored implementation.

impl Sink<Bytes> for ResponseWriter

type Error = Error

The type of value produced by the sink when an error occurs.

fn poll_ready( self: Pin<&mut Self>, cx: &mut Context<'_>, ) -> Poll<Result<(), Self::Error>>

Attempts to prepare the Sink to receive a value.

fn start_send(self: Pin<&mut Self>, item: Bytes) -> Result<(), Self::Error>

Begin the process of sending a value to the sink. Each call to this function must be preceded by a successful call to poll_ready which returned Poll::Ready(Ok(())).

fn poll_flush( self: Pin<&mut Self>, cx: &mut Context<'_>, ) -> Poll<Result<(), Self::Error>>

Flush any remaining output from this sink.

fn poll_close( self: Pin<&mut Self>, cx: &mut Context<'_>, ) -> Poll<Result<(), Self::Error>>

Flush any remaining output and close this sink, if necessary.

impl<'pin> Unpin for ResponseWriter

where PinnedFieldsOf<__ResponseWriter<'pin>>: Unpin,