airio-tcp 0.2.0

TCP transport for airio
Documentation 
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use futures::{AsyncRead, AsyncWrite};
use std::{
    io,
    pin::Pin,
    task::{Context, Poll},
};

#[derive(Debug)]
pub struct TcpStream(tokio::net::TcpStream);

impl From<tokio::net::TcpStream> for TcpStream {
    fn from(t: tokio::net::TcpStream) -> TcpStream {
        TcpStream(t)
    }
}

impl AsyncRead for TcpStream {
    fn poll_read(
        mut self: Pin<&mut Self>,
        cx: &mut Context,
        buf: &mut [u8],
    ) -> Poll<Result<usize, io::Error>> {
        let mut read_buf = tokio::io::ReadBuf::new(buf);
        futures::ready!(tokio::io::AsyncRead::poll_read(
            Pin::new(&mut self.0),
            cx,
            &mut read_buf
        ))?;
        Poll::Ready(Ok(read_buf.filled().len()))
    }
}

impl AsyncWrite for TcpStream {
    fn poll_write(
        mut self: Pin<&mut Self>,
        cx: &mut Context,
        buf: &[u8],
    ) -> Poll<Result<usize, io::Error>> {
        tokio::io::AsyncWrite::poll_write(Pin::new(&mut self.0), cx, buf)
    }

    fn poll_flush(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Result<(), io::Error>> {
        tokio::io::AsyncWrite::poll_flush(Pin::new(&mut self.0), cx)
    }

    fn poll_close(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Result<(), io::Error>> {
        tokio::io::AsyncWrite::poll_shutdown(Pin::new(&mut self.0), cx)
    }

    fn poll_write_vectored(
        mut self: Pin<&mut Self>,
        cx: &mut Context<'_>,
        bufs: &[io::IoSlice<'_>],
    ) -> Poll<io::Result<usize>> {
        tokio::io::AsyncWrite::poll_write_vectored(Pin::new(&mut self.0), cx, bufs)
    }
}