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use crate::aio::{ActualConnection, Connect};
use crate::types::RedisResult;
use async_std::net::TcpStream;
#[cfg(unix)]
use async_std::os::unix::net::UnixStream;
use async_trait::async_trait;
use std::net::SocketAddr;
#[cfg(unix)]
use std::path::Path;
use std::pin::Pin;
use tokio::io::{AsyncRead, AsyncWrite};
pub struct TcpStreamAsyncStdWrapped(TcpStream);
#[cfg(unix)]
pub struct UnixStreamAsyncStdWrapped(UnixStream);
impl AsyncWrite for TcpStreamAsyncStdWrapped {
fn poll_write(
mut self: Pin<&mut Self>,
cx: &mut core::task::Context,
buf: &[u8],
) -> std::task::Poll<Result<usize, tokio::io::Error>> {
async_std::io::Write::poll_write(Pin::new(&mut self.0), cx, buf)
}
fn poll_flush(
mut self: Pin<&mut Self>,
cx: &mut core::task::Context,
) -> std::task::Poll<Result<(), tokio::io::Error>> {
async_std::io::Write::poll_flush(Pin::new(&mut self.0), cx)
}
fn poll_shutdown(
mut self: Pin<&mut Self>,
cx: &mut core::task::Context,
) -> std::task::Poll<Result<(), tokio::io::Error>> {
async_std::io::Write::poll_close(Pin::new(&mut self.0), cx)
}
}
impl AsyncRead for TcpStreamAsyncStdWrapped {
fn poll_read(
mut self: Pin<&mut Self>,
cx: &mut core::task::Context,
buf: &mut [u8],
) -> std::task::Poll<Result<usize, tokio::io::Error>> {
async_std::io::Read::poll_read(Pin::new(&mut self.0), cx, buf)
}
}
#[cfg(unix)]
impl AsyncWrite for UnixStreamAsyncStdWrapped {
fn poll_write(
mut self: Pin<&mut Self>,
cx: &mut core::task::Context,
buf: &[u8],
) -> std::task::Poll<Result<usize, tokio::io::Error>> {
async_std::io::Write::poll_write(Pin::new(&mut self.0), cx, buf)
}
fn poll_flush(
mut self: Pin<&mut Self>,
cx: &mut core::task::Context,
) -> std::task::Poll<Result<(), tokio::io::Error>> {
async_std::io::Write::poll_flush(Pin::new(&mut self.0), cx)
}
fn poll_shutdown(
mut self: Pin<&mut Self>,
cx: &mut core::task::Context,
) -> std::task::Poll<Result<(), tokio::io::Error>> {
async_std::io::Write::poll_close(Pin::new(&mut self.0), cx)
}
}
#[cfg(unix)]
impl AsyncRead for UnixStreamAsyncStdWrapped {
fn poll_read(
mut self: Pin<&mut Self>,
cx: &mut core::task::Context,
buf: &mut [u8],
) -> std::task::Poll<Result<usize, tokio::io::Error>> {
async_std::io::Read::poll_read(Pin::new(&mut self.0), cx, buf)
}
}
pub struct AsyncStd;
#[async_trait]
impl Connect for AsyncStd {
async fn connect_tcp(socket_addr: SocketAddr) -> RedisResult<ActualConnection> {
Ok(TcpStream::connect(&socket_addr)
.await
.map(|con| ActualConnection::TcpAsyncStd(TcpStreamAsyncStdWrapped(con)))?)
}
#[cfg(unix)]
async fn connect_unix(path: &Path) -> RedisResult<ActualConnection> {
Ok(UnixStream::connect(path)
.await
.map(|con| ActualConnection::UnixAsyncStd(UnixStreamAsyncStdWrapped(con)))?)
}
}