tunio 0.3.0

Crate for creating and managing TUN/TAP interfaces with async support. Works best with netconfig crate.
Documentation 
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use super::interface::CommonInterface;
use super::tokio_queue::AsyncTokioQueue;
use std::io::{self, ErrorKind};
use std::pin::Pin;
use std::task::{Context, Poll};
use tokio::io::{AsyncRead, AsyncWrite, ReadBuf};

pub type AsyncTokioInterface = CommonInterface<AsyncTokioQueue>;

impl AsyncRead for AsyncTokioInterface {
    fn poll_read(
        mut self: Pin<&mut Self>,
        cx: &mut Context<'_>,
        buf: &mut ReadBuf<'_>,
    ) -> Poll<io::Result<()>> {
        match &mut self.queue {
            Some(queue) => Pin::new(queue).poll_read(cx, buf),
            None => Poll::Ready(Err(io::Error::from(ErrorKind::BrokenPipe))),
        }
    }
}

impl AsyncWrite for AsyncTokioInterface {
    fn poll_write(
        mut self: Pin<&mut Self>,
        cx: &mut Context<'_>,
        buf: &[u8],
    ) -> Poll<Result<usize, io::Error>> {
        match &mut self.queue {
            Some(queue) => Pin::new(queue).poll_write(cx, buf),
            None => Poll::Ready(Err(io::Error::from(ErrorKind::BrokenPipe))),
        }
    }

    fn poll_flush(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), io::Error>> {
        match &mut self.queue {
            Some(queue) => Pin::new(queue).poll_flush(cx),
            None => Poll::Ready(Err(io::Error::from(ErrorKind::BrokenPipe))),
        }
    }

    fn poll_shutdown(
        mut self: Pin<&mut Self>,
        cx: &mut Context<'_>,
    ) -> Poll<Result<(), io::Error>> {
        match &mut self.queue {
            Some(queue) => Pin::new(queue).poll_shutdown(cx),
            None => Poll::Ready(Err(io::Error::from(ErrorKind::BrokenPipe))),
        }
    }
}