78 lines
2.2 KiB
Rust
78 lines
2.2 KiB
Rust
use tokio::io::{AsyncRead, AsyncWrite, ReadBuf};
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use tokio::net::{TcpStream, UnixStream};
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use tokio_listener::Connection;
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use std::io::Result;
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use std::marker::Unpin;
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use std::pin::{Pin, pin};
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use std::task::{Context, Poll};
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pub enum AbstractStream {
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Tcp(TcpStream),
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Uds(UnixStream),
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Listener(Connection),
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}
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impl From<TcpStream> for AbstractStream {
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fn from(stream: TcpStream) -> Self {
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Self::Tcp(stream)
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}
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}
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impl From<UnixStream> for AbstractStream {
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fn from(stream: UnixStream) -> Self {
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Self::Uds(stream)
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}
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}
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impl From<Connection> for AbstractStream {
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fn from(stream: Connection) -> Self {
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Self::Listener(stream)
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}
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}
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impl Unpin for AbstractStream {}
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impl AsyncRead for AbstractStream {
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fn poll_read(
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mut self: Pin<&mut Self>,
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cx: &mut Context<'_>,
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buf: &mut ReadBuf<'_>,
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) -> Poll<Result<()>> {
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match &mut *self {
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Self::Tcp(stream) => pin!(stream).poll_read(cx, buf),
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Self::Uds(stream) => pin!(stream).poll_read(cx, buf),
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Self::Listener(stream) => pin!(stream).poll_read(cx, buf),
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}
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}
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}
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impl AsyncWrite for AbstractStream {
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fn poll_write(
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mut self: Pin<&mut Self>,
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cx: &mut Context<'_>,
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buf: &[u8],
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) -> Poll<Result<usize>> {
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match &mut *self {
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Self::Tcp(stream) => pin!(stream).poll_write(cx, buf),
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Self::Uds(stream) => pin!(stream).poll_write(cx, buf),
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Self::Listener(stream) => pin!(stream).poll_write(cx, buf),
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}
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}
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fn poll_flush(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<()>> {
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match &mut *self {
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Self::Tcp(stream) => pin!(stream).poll_flush(cx),
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Self::Uds(stream) => pin!(stream).poll_flush(cx),
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Self::Listener(stream) => pin!(stream).poll_flush(cx),
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}
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}
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fn poll_shutdown(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<()>> {
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match &mut *self {
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Self::Tcp(stream) => pin!(stream).poll_shutdown(cx),
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Self::Uds(stream) => pin!(stream).poll_shutdown(cx),
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Self::Listener(stream) => pin!(stream).poll_shutdown(cx),
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}
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}
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}
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