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listener.rs
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listener.rs
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use std::num::NonZeroUsize;
use compio_buf::arrayvec::ArrayVec;
use compio_dispatcher::Dispatcher;
use compio_io::{AsyncReadExt, AsyncWriteExt};
use compio_net::{TcpListener, TcpStream};
use compio_runtime::spawn;
use futures_util::{stream::FuturesUnordered, StreamExt};
#[compio_macros::test]
async fn listener_dispatch() {
const THREAD_NUM: usize = 5;
const CLIENT_NUM: usize = 10;
let listener = TcpListener::bind("127.0.0.1:0").await.unwrap();
let addr = listener.local_addr().unwrap();
let dispatcher = Dispatcher::builder()
.worker_threads(NonZeroUsize::new(THREAD_NUM).unwrap())
.build()
.unwrap();
let task = spawn(async move {
let mut futures = FuturesUnordered::from_iter((0..CLIENT_NUM).map(|_| async {
let mut cli = TcpStream::connect(&addr).await.unwrap();
cli.write_all("Hello world!").await.unwrap();
}));
while let Some(()) = futures.next().await {}
});
let mut handles = FuturesUnordered::new();
for _i in 0..CLIENT_NUM {
let (mut srv, _) = listener.accept().await.unwrap();
let handle = dispatcher
.execute(move || async move {
let (_, buf) = srv.read_exact(ArrayVec::<u8, 12>::new()).await.unwrap();
assert_eq!(buf.as_slice(), b"Hello world!");
})
.unwrap();
handles.push(handle.join());
}
while handles.next().await.is_some() {}
let (_, results) = futures_util::join!(task, dispatcher.join());
results.unwrap();
}