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tfserver/structures/
temp_transport.rs

1use std::io;
2use std::pin::Pin;
3use std::task::{Context, Poll};
4use tokio::io::{AsyncRead, AsyncWrite, ReadBuf};
5
6///A container, that can store reference of the stream, and be used inside other structures, that does not accepts the references.
7pub struct TempTransport<'a, T: AsyncRead + AsyncWrite + Unpin + Send + Sync> {
8    base_transport: &'a mut T,
9}
10
11impl<'a, T: AsyncRead + AsyncWrite + Unpin + Send + Sync> TempTransport<'a, T> {
12    pub fn new(transport: &'a mut T) -> Self {
13        TempTransport {
14            base_transport: transport,
15        }
16    }
17}
18
19impl<'a, T: AsyncRead + AsyncWrite + Unpin + Send + Sync> AsyncRead for TempTransport<'a, T> {
20    fn poll_read(
21        mut self: Pin<&mut Self>,
22        cx: &mut Context<'_>,
23        buf: &mut ReadBuf<'_>,
24    ) -> Poll<io::Result<()>> {
25        Pin::new(&mut *self.base_transport).poll_read(cx, buf)
26    }
27}
28
29impl<'a, T: AsyncRead + AsyncWrite + Unpin + Send + Sync> AsyncWrite for TempTransport<'a, T> {
30    fn poll_write(
31        mut self: Pin<&mut Self>,
32        cx: &mut Context<'_>,
33        buf: &[u8],
34    ) -> Poll<io::Result<usize>> {
35        Pin::new(&mut *self.base_transport).poll_write(cx, buf)
36    }
37
38    fn poll_flush(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
39        Pin::new(&mut *self.base_transport).poll_flush(cx)
40    }
41
42    fn poll_shutdown(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
43        Pin::new(&mut *self.base_transport).poll_shutdown(cx)
44    }
45}