118 lines
3.0 KiB
Rust
118 lines
3.0 KiB
Rust
use bytes::{Buf, BufMut};
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use std::io;
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use std::mem::MaybeUninit;
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use std::pin::Pin;
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use std::task::{Context, Poll};
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use tokio::io::{AsyncRead, AsyncWrite};
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use tokio::net::TcpStream;
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#[cfg(unix)]
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use tokio::net::UnixStream;
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#[derive(Debug)]
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enum Inner {
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Tcp(TcpStream),
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#[cfg(unix)]
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Unix(UnixStream),
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}
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/// The standard stream type used by the crate.
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///
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/// Requires the `runtime` Cargo feature (enabled by default).
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#[derive(Debug)]
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pub struct Socket(Inner);
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impl Socket {
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pub(crate) fn new_tcp(stream: TcpStream) -> Socket {
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Socket(Inner::Tcp(stream))
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}
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#[cfg(unix)]
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pub(crate) fn new_unix(stream: UnixStream) -> Socket {
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Socket(Inner::Unix(stream))
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}
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}
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impl AsyncRead for Socket {
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unsafe fn prepare_uninitialized_buffer(&self, buf: &mut [MaybeUninit<u8>]) -> bool {
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match &self.0 {
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Inner::Tcp(s) => s.prepare_uninitialized_buffer(buf),
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#[cfg(unix)]
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Inner::Unix(s) => s.prepare_uninitialized_buffer(buf),
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}
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}
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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 [u8],
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) -> Poll<io::Result<usize>> {
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match &mut self.0 {
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Inner::Tcp(s) => Pin::new(s).poll_read(cx, buf),
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#[cfg(unix)]
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Inner::Unix(s) => Pin::new(s).poll_read(cx, buf),
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}
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}
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fn poll_read_buf<B>(
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mut self: Pin<&mut Self>,
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cx: &mut Context<'_>,
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buf: &mut B,
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) -> Poll<io::Result<usize>>
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where
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Self: Sized,
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B: BufMut,
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{
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match &mut self.0 {
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Inner::Tcp(s) => Pin::new(s).poll_read_buf(cx, buf),
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#[cfg(unix)]
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Inner::Unix(s) => Pin::new(s).poll_read_buf(cx, buf),
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}
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}
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}
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impl AsyncWrite for Socket {
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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<io::Result<usize>> {
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match &mut self.0 {
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Inner::Tcp(s) => Pin::new(s).poll_write(cx, buf),
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#[cfg(unix)]
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Inner::Unix(s) => Pin::new(s).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<io::Result<()>> {
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match &mut self.0 {
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Inner::Tcp(s) => Pin::new(s).poll_flush(cx),
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#[cfg(unix)]
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Inner::Unix(s) => Pin::new(s).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<io::Result<()>> {
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match &mut self.0 {
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Inner::Tcp(s) => Pin::new(s).poll_shutdown(cx),
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#[cfg(unix)]
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Inner::Unix(s) => Pin::new(s).poll_shutdown(cx),
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}
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}
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fn poll_write_buf<B>(
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mut self: Pin<&mut Self>,
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cx: &mut Context<'_>,
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buf: &mut B,
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) -> Poll<io::Result<usize>>
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where
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Self: Sized,
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B: Buf,
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{
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match &mut self.0 {
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Inner::Tcp(s) => Pin::new(s).poll_write_buf(cx, buf),
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#[cfg(unix)]
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Inner::Unix(s) => Pin::new(s).poll_write_buf(cx, buf),
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}
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}
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}
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