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use crate::net::unix::{UnixListener, UnixStream};
use std::io;
use std::pin::Pin;
use std::task::{Context, Poll};
/// Stream of listeners
#[derive(Debug)]
#[must_use = "streams do nothing unless polled"]
pub struct Incoming<'a> {
inner: &'a mut UnixListener,
}
impl Incoming<'_> {
pub(crate) fn new(listener: &mut UnixListener) -> Incoming<'_> {
Incoming { inner: listener }
}
/// Attempts to poll `UnixStream` by polling inner `UnixListener` to accept
/// connection.
///
/// If `UnixListener` isn't ready yet, `Poll::Pending` is returned and
/// current task will be notified by a waker. Otherwise `Poll::Ready` with
/// `Result` containing `UnixStream` will be returned.
pub fn poll_accept(
mut self: Pin<&mut Self>,
cx: &mut Context<'_>,
) -> Poll<io::Result<UnixStream>> {
let (socket, _) = ready!(self.inner.poll_accept(cx))?;
Poll::Ready(Ok(socket))
}
}
#[cfg(feature = "stream")]
impl crate::stream::Stream for Incoming<'_> {
type Item = io::Result<UnixStream>;
fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
let (socket, _) = ready!(self.inner.poll_accept(cx))?;
Poll::Ready(Some(Ok(socket)))
}
}
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