1 #![cfg(feature = "full")]
2 #![warn(rust_2018_idioms)]
3 #![cfg(unix)]
4
5 use tokio::io::{AsyncReadExt, AsyncWriteExt};
6 use tokio::net::{UnixListener, UnixStream};
7
8 use futures::future::try_join;
9
10 #[tokio::test]
accept_read_write() -> std::io::Result<()>11 async fn accept_read_write() -> std::io::Result<()> {
12 let dir = tempfile::Builder::new()
13 .prefix("tokio-uds-tests")
14 .tempdir()
15 .unwrap();
16 let sock_path = dir.path().join("connect.sock");
17
18 let mut listener = UnixListener::bind(&sock_path)?;
19
20 let accept = listener.accept();
21 let connect = UnixStream::connect(&sock_path);
22 let ((mut server, _), mut client) = try_join(accept, connect).await?;
23
24 // Write to the client. TODO: Switch to write_all.
25 let write_len = client.write(b"hello").await?;
26 assert_eq!(write_len, 5);
27 drop(client);
28 // Read from the server. TODO: Switch to read_to_end.
29 let mut buf = [0u8; 5];
30 server.read_exact(&mut buf).await?;
31 assert_eq!(&buf, b"hello");
32 let len = server.read(&mut buf).await?;
33 assert_eq!(len, 0);
34 Ok(())
35 }
36
37 #[tokio::test]
shutdown() -> std::io::Result<()>38 async fn shutdown() -> std::io::Result<()> {
39 let dir = tempfile::Builder::new()
40 .prefix("tokio-uds-tests")
41 .tempdir()
42 .unwrap();
43 let sock_path = dir.path().join("connect.sock");
44
45 let mut listener = UnixListener::bind(&sock_path)?;
46
47 let accept = listener.accept();
48 let connect = UnixStream::connect(&sock_path);
49 let ((mut server, _), mut client) = try_join(accept, connect).await?;
50
51 // Shut down the client
52 AsyncWriteExt::shutdown(&mut client).await?;
53 // Read from the server should return 0 to indicate the channel has been closed.
54 let mut buf = [0u8; 1];
55 let n = server.read(&mut buf).await?;
56 assert_eq!(n, 0);
57 Ok(())
58 }
59