fn handle_websocket(logger: Logger, id: usize, req_tx: Sender<PadRequest>, request: Request) {
    let result: Result<()> = (|| {
        let key = &request
            .headers()
            .iter()
            .find(|h| h.field.equiv("Sec-WebSocket-Key"))
            .ok_or_else(|| format_err!("no websocket key"))?
            .value;

        let response = Response::empty(StatusCode(101)).with_header(
            Header::from_bytes("Sec-WebSocket-Accept", convert_key(key.as_str())).unwrap(),
        );

        let stream = request.upgrade("websocket", response);
        let mut ws = WebSocket::from_raw_socket(stream, Role::Server, None);

        loop {
            let msg = match ws.read_message() {
                Ok(msg) => msg,
                Err(tungstenite::Error::ConnectionClosed) => return Ok(()),
                Err(error) => return Err(error.into()),
            };
            let data = match msg {
                Message::Text(data) => data.into_bytes(),
                Message::Binary(data) => data,
                Message::Ping(_) | Message::Pong(_) | Message::Close(_) => continue,
            };
            match serde_json::from_slice(&data) {
                Ok(state) => req_tx.send(PadRequest::Update(id, state))?,
                Err(error) => error!(logger, "ws.msg_error"; "error" => #%error),
            }
        }
    })();

    let _ = req_tx.send(PadRequest::Discard(id));

    if let Err(error) = result {
        error!(logger, "ws.error"; "error" => #%error);
    }
}
/// Given a request that wants to become a websocket, make it become one and handle pad updates coming from it.
Given a request that wants to become a websocket, make it become one and handle pad updates coming from it.
Given a request that wants to become a websocket make it become one and handle pad updates coming from it .
fn handle_websocket(logger: Logger, id: usize, req_tx: Sender<PadRequest>, request: Request) {
    let result: Result<()> = (|| {
        let key = &request
            .headers()
            .iter()
            .find(|h| h.field.equiv("Sec-WebSocket-Key"))
            .ok_or_else(|| format_err!("no websocket key"))?
            .value;
        let response = Response::empty(StatusCode(101)).with_header(
            Header::from_bytes("Sec-WebSocket-Accept", convert_key(key.as_str())).unwrap(),
        );
        let stream = request.upgrade("websocket", response);
        let mut ws = WebSocket::from_raw_socket(stream, Role::Server, None);
        loop {
            let msg = match ws.read_message() {
                Ok(msg) => msg,
                Err(tungstenite::Error::ConnectionClosed) => return Ok(()),
                Err(error) => return Err(error.into()),
            };
            let data = match msg {
                Message::Text(data) => data.into_bytes(),
                Message::Binary(data) => data,
                Message::Ping(_) | Message::Pong(_) | Message::Close(_) => continue,
            };
            match serde_json::from_slice(&data) {
                Ok(state) => req_tx.send(PadRequest::Update(id, state))?,
                Err(error) => error!(logger, "ws.msg_error"; "error" => #%error),
            }
        }
    })();
    let _ = req_tx.send(PadRequest::Discard(id));
    if let Err(error) = result {
        error!(logger, "ws.error"; "error" => #%error);
    }
}
fn handle_websocket ( logger : Logger , id : usize , req_tx : Sender < PadRequest > , request : Request ) { let result : Result < ( ) > = ( | | { let key = & request . headers ( ) . iter ( ) . find ( | h | h . field . equiv ( " " ) ) . ok_or_else ( | | format_err ! ( " " ) ) ? . value ; let response = Response :: empty ( StatusCode ( 101 ) ) . with_header ( Header :: from_bytes ( " " , convert_key ( key . as_str ( ) ) ) . unwrap ( ) , ) ; let stream = request . upgrade ( " " , response ) ; let mut ws = WebSocket :: from_raw_socket ( stream , Role :: Server , None ) ; loop { let msg = match ws . read_message ( ) { Ok ( msg ) => msg , Err ( tungstenite :: Error :: ConnectionClosed ) => return Ok ( ( ) ) , Err ( error ) => return Err ( error . into ( ) ) , } ; let data = match msg { Message :: Text ( data ) => data . into_bytes ( ) , Message :: Binary ( data ) => data , Message :: Ping ( _ ) | Message :: Pong ( _ ) | Message :: Close ( _ ) => continue , } ; match serde_json :: from_slice ( & data ) { Ok ( state ) => req_tx . send ( PadRequest :: Update ( id , state ) ) ? , Err ( error ) => error ! ( logger " " " " error ) , } } } ) ( ) ; let _ = req_tx . send ( PadRequest :: Discard ( id ) ) ; if let Err ( error ) = result { error ! ( logger " " " " error ) ; } }
Given a request that wants to become a websocket, make it become one and handle pad updates coming from it.
Given a request that wants to become a websocket make it become one and handle pad updates coming from it .
logger
Logger
id
usize
req_tx
Sender<PadRequest>
request
Request
logger
Logger
id
usize
req_tx
Sender<PadRequest>
request
Request