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use std::{io::Result, path::Path};
use tokio::{
io::Result as IoResult,
net::{UnixListener as TokioUnixListener, UnixStream},
};
use crate::{
listener::{Acceptor, Listener},
web::RemoteAddr,
};
#[cfg_attr(docsrs, doc(cfg(unix)))]
pub struct UnixListener<T> {
path: T,
}
impl<T> UnixListener<T> {
pub fn bind(path: T) -> Self {
Self { path }
}
}
#[async_trait::async_trait]
impl<T: AsRef<Path> + Send> Listener for UnixListener<T> {
type Acceptor = UnixAcceptor;
async fn into_acceptor(self) -> IoResult<Self::Acceptor> {
let listener = TokioUnixListener::bind(self.path)?;
Ok(UnixAcceptor { listener })
}
}
#[cfg_attr(docsrs, doc(cfg(unix)))]
pub struct UnixAcceptor {
listener: TokioUnixListener,
}
#[async_trait::async_trait]
impl Acceptor for UnixAcceptor {
type Io = UnixStream;
#[inline]
fn local_addr(&self) -> IoResult<Vec<RemoteAddr>> {
self.listener.local_addr().map(|addr| vec![addr.into()])
}
#[inline]
async fn accept(&mut self) -> Result<(Self::Io, RemoteAddr)> {
let (stream, addr) = self.listener.accept().await?;
Ok((stream, addr.into()))
}
}
#[cfg(test)]
mod tests {
use tokio::{
io::{AsyncReadExt, AsyncWriteExt},
time::Duration,
};
use super::*;
#[tokio::test]
async fn unix_listener() {
let listener = UnixListener::bind("test-socket");
let mut acceptor = listener.into_acceptor().await.unwrap();
tokio::spawn(async move {
let mut stream = UnixStream::connect("test-socket").await.unwrap();
stream.write_i32(10).await.unwrap();
});
let (mut stream, _) = acceptor.accept().await.unwrap();
assert_eq!(stream.read_i32().await.unwrap(), 10);
tokio::time::sleep(Duration::from_secs(1)).await;
drop(acceptor);
std::fs::remove_file("test-socket").unwrap();
}
}