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115 lines
3.6 KiB
115 lines
3.6 KiB
use async_std::net::{TcpListener, TcpStream};
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use async_std::task;
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use async_tungstenite::{accept_async, client_async, WebSocketStream};
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use futures::prelude::*;
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use log::*;
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use tungstenite::Message;
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async fn run_connection<S>(
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connection: WebSocketStream<S>,
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msg_tx: futures::channel::oneshot::Sender<Vec<Message>>,
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) where
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S: AsyncRead + AsyncWrite + Unpin,
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{
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info!("Running connection");
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let mut connection = connection;
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let mut messages = vec![];
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while let Some(message) = connection.next().await {
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info!("Message received");
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let message = message.expect("Failed to get message");
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messages.push(message);
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}
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msg_tx.send(messages).expect("Failed to send results");
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}
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#[async_std::test]
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async fn communication() {
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let _ = env_logger::try_init();
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let (con_tx, con_rx) = futures::channel::oneshot::channel();
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let (msg_tx, msg_rx) = futures::channel::oneshot::channel();
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let f = async move {
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let listener = TcpListener::bind("127.0.0.1:12345").await.unwrap();
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info!("Server ready");
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con_tx.send(()).unwrap();
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info!("Waiting on next connection");
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let (connection, _) = listener.accept().await.expect("No connections to accept");
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let stream = accept_async(connection).await;
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let stream = stream.expect("Failed to handshake with connection");
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run_connection(stream, msg_tx).await;
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};
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task::spawn(f);
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info!("Waiting for server to be ready");
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con_rx.await.expect("Server not ready");
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let tcp = TcpStream::connect("127.0.0.1:12345")
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.await
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.expect("Failed to connect");
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let url = "ws://localhost:12345/";
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let (mut stream, _) = client_async(url, tcp)
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.await
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.expect("Client failed to connect");
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for i in 1..10 {
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info!("Sending message");
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stream
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.send(Message::Text(format!("{}", i)))
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.await
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.expect("Failed to send message");
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}
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stream.close(None).await.expect("Failed to close");
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info!("Waiting for response messages");
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let messages = msg_rx.await.expect("Failed to receive messages");
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assert_eq!(messages.len(), 10);
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}
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#[async_std::test]
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async fn split_communication() {
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let _ = env_logger::try_init();
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let (con_tx, con_rx) = futures::channel::oneshot::channel();
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let (msg_tx, msg_rx) = futures::channel::oneshot::channel();
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let f = async move {
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let listener = TcpListener::bind("127.0.0.1:12346").await.unwrap();
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info!("Server ready");
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con_tx.send(()).unwrap();
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info!("Waiting on next connection");
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let (connection, _) = listener.accept().await.expect("No connections to accept");
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let stream = accept_async(connection).await;
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let stream = stream.expect("Failed to handshake with connection");
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run_connection(stream, msg_tx).await;
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};
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task::spawn(f);
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info!("Waiting for server to be ready");
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con_rx.await.expect("Server not ready");
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let tcp = TcpStream::connect("127.0.0.1:12346")
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.await
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.expect("Failed to connect");
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let url = url::Url::parse("ws://localhost:12345/").unwrap();
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let (stream, _) = client_async(url, tcp)
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.await
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.expect("Client failed to connect");
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let (mut tx, _rx) = stream.split();
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for i in 1..10 {
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info!("Sending message");
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tx.send(Message::Text(format!("{}", i)))
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.await
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.expect("Failed to send message");
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}
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tx.close().await.expect("Failed to close");
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info!("Waiting for response messages");
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let messages = msg_rx.await.expect("Failed to receive messages");
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assert_eq!(messages.len(), 10);
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}
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