pub async fn handshake<F>(self, f: F) -> Result<WsClient, WsError>
    where
        F: Filter + Send + Sync + 'static,
        F::Extract: Reply + Send,
        F::Error: IsReject + Send,
    {
        let (upgraded_tx, upgraded_rx) = oneshot::channel();
        let (wr_tx, wr_rx) = mpsc::unbounded();
        let (rd_tx, rd_rx) = mpsc::unbounded();

        tokio::spawn(async move {
            use tungstenite::protocol;

            let (addr, srv) = crate::serve(f).bind_ephemeral(([127, 0, 0, 1], 0));

            let mut req = self
                .req
                .header("connection", "upgrade")
                .header("upgrade", "websocket")
                .header("sec-websocket-version", "13")
                .header("sec-websocket-key", "dGhlIHNhbXBsZSBub25jZQ==")
                .req;

            let uri = format!("http://{}{}", addr, req.uri().path())
                .parse()
                .expect("addr + path is valid URI");

            *req.uri_mut() = uri;

            // let mut rt = current_thread::Runtime::new().unwrap();
            tokio::spawn(srv);

            let upgrade = ::hyper::Client::builder()
                .build(AddrConnect(addr))
                .request(req)
                .and_then(|res| res.into_body().on_upgrade());

            let upgraded = match upgrade.await {
                Ok(up) => {
                    let _ = upgraded_tx.send(Ok(()));
                    up
                }
                Err(err) => {
                    let _ = upgraded_tx.send(Err(err));
                    return;
                }
            };
            let ws = crate::ws::WebSocket::from_raw_socket(
                upgraded,
                protocol::Role::Client,
                Default::default(),
            );

            let (tx, rx) = ws.split();
            let write = wr_rx
                .map(Ok)
                .forward(tx)
                .map(|_| ());

            let read = rx
                .take_while(|result| {
                    match result {
                        Err(_) => future::ready(false),
                        Ok(m) => future::ready(!m.is_close())
                    }
                })
                .map(Ok)
                .forward(rd_tx.sink_map_err(|e| panic!("ws receive error: {}", e)))
                .map(|_| ());

            future::join(write, read).await;
        });

        match upgraded_rx.await {
            Ok(Ok(())) => Ok(WsClient {
                tx: wr_tx,
                rx: rd_rx
            }),
            Ok(Err(err)) => Err(WsError::new(err)),
            Err(_canceled) => panic!("websocket handshake thread panicked"),
        }
    }
/// Execute this Websocket request against te provided filter.
///
/// If the handshake succeeds, returns a `WsClient`.
///
/// # Example
///
/// ```no_run
/// use futures::future;
/// use warp::Filter;
/// #[tokio::main]
/// # async fn main() {
///
/// // Some route that accepts websockets (but drops them immediately).
/// let route = warp::ws()
///     .map(|ws: warp::ws::Ws| {
///         ws.on_upgrade(|_| future::ready(()))
///     });
///
/// let client = warp::test::ws()
///     .handshake(route)
///     .await
///     .expect("handshake");
/// # }
/// ```
Execute this Websocket request against te provided filter.
If the handshake succeeds, returns a `WsClient`.
Execute this Websocket request against te provided filter . If the handshake succeeds returns a ` WsClient ` .
pub async fn handshake<F>(self, f: F) -> Result<WsClient, WsError>
    where
        F: Filter + Send + Sync + 'static,
        F::Extract: Reply + Send,
        F::Error: IsReject + Send,
    {
        let (upgraded_tx, upgraded_rx) = oneshot::channel();
        let (wr_tx, wr_rx) = mpsc::unbounded();
        let (rd_tx, rd_rx) = mpsc::unbounded();
        tokio::spawn(async move {
            use tungstenite::protocol;
            let (addr, srv) = crate::serve(f).bind_ephemeral(([127, 0, 0, 1], 0));
            let mut req = self
                .req
                .header("connection", "upgrade")
                .header("upgrade", "websocket")
                .header("sec-websocket-version", "13")
                .header("sec-websocket-key", "dGhlIHNhbXBsZSBub25jZQ==")
                .req;
            let uri = format!("http://{}{}", addr, req.uri().path())
                .parse()
                .expect("addr + path is valid URI");
            *req.uri_mut() = uri;
            // let mut rt = current_thread::Runtime::new().unwrap();
            tokio::spawn(srv);
            let upgrade = ::hyper::Client::builder()
                .build(AddrConnect(addr))
                .request(req)
                .and_then(|res| res.into_body().on_upgrade());
            let upgraded = match upgrade.await {
                Ok(up) => {
                    let _ = upgraded_tx.send(Ok(()));
                    up
                }
                Err(err) => {
                    let _ = upgraded_tx.send(Err(err));
                    return;
                }
            };
            let ws = crate::ws::WebSocket::from_raw_socket(
                upgraded,
                protocol::Role::Client,
                Default::default(),
            );
            let (tx, rx) = ws.split();
            let write = wr_rx
                .map(Ok)
                .forward(tx)
                .map(|_| ());
            let read = rx
                .take_while(|result| {
                    match result {
                        Err(_) => future::ready(false),
                        Ok(m) => future::ready(!m.is_close())
                    }
                })
                .map(Ok)
                .forward(rd_tx.sink_map_err(|e| panic!("ws receive error: {}", e)))
                .map(|_| ());
            future::join(write, read).await;
        });
        match upgraded_rx.await {
            Ok(Ok(())) => Ok(WsClient {
                tx: wr_tx,
                rx: rd_rx
            }),
            Ok(Err(err)) => Err(WsError::new(err)),
            Err(_canceled) => panic!("websocket handshake thread panicked"),
        }
    }
pub async fn handshake < F > ( self , f : F ) -> Result < WsClient , WsError > where F : Filter + Send + Sync + ' static , F :: Extract : Reply + Send , F :: Error : IsReject + Send , { let ( upgraded_tx , upgraded_rx ) = oneshot :: channel ( ) ; let ( wr_tx , wr_rx ) = mpsc :: unbounded ( ) ; let ( rd_tx , rd_rx ) = mpsc :: unbounded ( ) ; tokio :: spawn ( async move { use tungstenite :: protocol ; let ( addr , srv ) = crate :: serve ( f ) . bind_ephemeral ( ( [ 127 , 0 , 0 , 1 ] , 0 ) ) ; let mut req = self . req . header ( " " , " " ) . header ( " " , " " ) . header ( " " , " " ) . header ( " " , " " ) . req ; let uri = format ! ( " " addr req uri ( ) path ( ) ) . parse ( ) . expect ( " " ) ; * req . uri_mut ( ) = uri ; // let mut rt = current_thread::Runtime::new().unwrap(); tokio :: spawn ( srv ) ; let upgrade = :: hyper :: Client :: builder ( ) . build ( AddrConnect ( addr ) ) . request ( req ) . and_then ( | res | res . into_body ( ) . on_upgrade ( ) ) ; let upgraded = match upgrade . await { Ok ( up ) => { let _ = upgraded_tx . send ( Ok ( ( ) ) ) ; up } Err ( err ) => { let _ = upgraded_tx . send ( Err ( err ) ) ; return ; } } ; let ws = crate :: ws :: WebSocket :: from_raw_socket ( upgraded , protocol :: Role :: Client , Default :: default ( ) , ) ; let ( tx , rx ) = ws . split ( ) ; let write = wr_rx . map ( Ok ) . forward ( tx ) . map ( | _ | ( ) ) ; let read = rx . take_while ( | result | { match result { Err ( _ ) => future :: ready ( false ) , Ok ( m ) => future :: ready ( ! m . is_close ( ) ) } } ) . map ( Ok ) . forward ( rd_tx . sink_map_err ( | e | panic ! ( " " e ) ) ) . map ( | _ | ( ) ) ; future :: join ( write , read ) . await ; } ) ; match upgraded_rx . await { Ok ( Ok ( ( ) ) ) => Ok ( WsClient { tx : wr_tx , rx : rd_rx } ) , Ok ( Err ( err ) ) => Err ( WsError :: new ( err ) ) , Err ( _canceled ) => panic ! ( " " ) , } }
Execute this Websocket request against te provided filter.
Execute this Websocket request against te provided filter .
self
f
F
example
```no_run
use futures::future;
use warp::Filter.
` ` ` no_run use futures :: future ; use warp :: Filter .
[tokio::main]
None
async fn main() {
Some route that accepts websockets (but drops them immediately).

let client = warp::test::ws()
.handshake(route)
.await
.expect("handshake").
Some route that accepts websockets ( but drops them immediately ) . let client = warp :: test :: ws () . handshake ( route ) . await . expect ( " handshake " ) .
}
None