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Copy pathsocket.rs
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142 lines (119 loc) · 3.69 KB
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#![allow(dead_code)]
use std::io;
use std::net::Shutdown;
use std::path::Path;
use std::pin::Pin;
use std::task::{Context, Poll};
use sqlx_rt::{AsyncRead, AsyncWrite, TcpStream};
#[derive(Debug)]
pub enum Socket {
Tcp(TcpStream),
#[cfg(unix)]
Unix(sqlx_rt::UnixStream),
}
impl Socket {
pub async fn connect_tcp(host: &str, port: u16) -> io::Result<Self> {
TcpStream::connect((host, port)).await.map(Socket::Tcp)
}
#[cfg(unix)]
pub async fn connect_uds(path: impl AsRef<Path>) -> io::Result<Self> {
sqlx_rt::UnixStream::connect(path.as_ref())
.await
.map(Socket::Unix)
}
#[cfg(not(unix))]
pub async fn connect_uds(_: impl AsRef<Path>) -> io::Result<Self> {
Err(io::Error::new(
io::ErrorKind::Other,
"Unix domain sockets are not supported outside Unix platforms.",
))
}
pub fn shutdown(&self) -> io::Result<()> {
match self {
Socket::Tcp(s) => s.shutdown(Shutdown::Both),
#[cfg(unix)]
Socket::Unix(s) => s.shutdown(Shutdown::Both),
}
}
}
impl AsyncRead for Socket {
fn poll_read(
mut self: Pin<&mut Self>,
cx: &mut Context<'_>,
buf: &mut [u8],
) -> Poll<io::Result<usize>> {
match &mut *self {
Socket::Tcp(s) => Pin::new(s).poll_read(cx, buf),
#[cfg(unix)]
Socket::Unix(s) => Pin::new(s).poll_read(cx, buf),
}
}
#[cfg(any(feature = "runtime-actix", feature = "runtime-tokio"))]
fn poll_read_buf<B>(
mut self: Pin<&mut Self>,
cx: &mut Context<'_>,
buf: &mut B,
) -> Poll<io::Result<usize>>
where
Self: Sized,
B: bytes::BufMut,
{
match &mut *self {
Socket::Tcp(s) => Pin::new(s).poll_read_buf(cx, buf),
#[cfg(unix)]
Socket::Unix(s) => Pin::new(s).poll_read_buf(cx, buf),
}
}
}
impl AsyncWrite for Socket {
fn poll_write(
mut self: Pin<&mut Self>,
cx: &mut Context<'_>,
buf: &[u8],
) -> Poll<io::Result<usize>> {
match &mut *self {
Socket::Tcp(s) => Pin::new(s).poll_write(cx, buf),
#[cfg(unix)]
Socket::Unix(s) => Pin::new(s).poll_write(cx, buf),
}
}
fn poll_flush(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
match &mut *self {
Socket::Tcp(s) => Pin::new(s).poll_flush(cx),
#[cfg(unix)]
Socket::Unix(s) => Pin::new(s).poll_flush(cx),
}
}
#[cfg(any(feature = "runtime-actix", feature = "runtime-tokio"))]
fn poll_shutdown(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
match &mut *self {
Socket::Tcp(s) => Pin::new(s).poll_shutdown(cx),
#[cfg(unix)]
Socket::Unix(s) => Pin::new(s).poll_shutdown(cx),
}
}
#[cfg(feature = "runtime-async-std")]
fn poll_close(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
match &mut *self {
Socket::Tcp(s) => Pin::new(s).poll_close(cx),
#[cfg(unix)]
Socket::Unix(s) => Pin::new(s).poll_close(cx),
}
}
#[cfg(any(feature = "runtime-actix", feature = "runtime-tokio"))]
fn poll_write_buf<B>(
mut self: Pin<&mut Self>,
cx: &mut Context<'_>,
buf: &mut B,
) -> Poll<io::Result<usize>>
where
Self: Sized,
B: bytes::Buf,
{
match &mut *self {
Socket::Tcp(s) => Pin::new(s).poll_write_buf(cx, buf),
#[cfg(unix)]
Socket::Unix(s) => Pin::new(s).poll_write_buf(cx, buf),
}
}
}