[−][src]Struct ws_stream_wasm::WsStream
A futures 0.3 Sink/Stream of WsMessage. Created with WsMeta::connect.
Closing the connection
When this is dropped, the connection closes, but you should favor calling one of the close methods on WsMeta, which allow you to set a proper close code and reason.
Since this implements Sink
, it has to have a close method. This method will call the
web api WebSocket.close
without parameters. Eg. a default value of 1005
will be assumed for the close code. The
situation is the same when dropping without calling close.
Warning: This object holds the callbacks needed to receive events from the browser.
If you drop it before the close event was emitted, you will no longer receive events. Thus,
observers will never receive a Close
event. Drop will issue a Closing
event and this
will be the very last event observers receive. The the stream will end if WsMeta
is also dropped.
See the integration tests if you need an example.
Methods
impl WsStream
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pub fn ready_state(&self) -> WsState
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Verify the WsState of the connection.
pub fn wrapped(&self) -> &WebSocket
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Access the wrapped web_sys::WebSocket directly.
ws_stream_wasm tries to expose all useful functionality through an idiomatic rust API, so hopefully you won't need this, however if I missed something, you can.
Caveats
If you call set_onopen
, set_onerror
, set_onmessage
or set_onclose
on this, you will overwrite
the event listeners from ws_stream_wasm
, and things will break.
pub fn into_io(self) -> IoStream<WsStreamIo, Vec<u8>>
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Wrap this object in IoStream
. IoStream
implements AsyncRead
/AsyncWrite
/AsyncBufRead
.
Beware: that this will transparenty include text messages as bytes.
Trait Implementations
impl Debug for WsStream
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impl Drop for WsStream
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impl Sink<WsMessage> for WsStream
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type Error = WsErr
The type of value produced by the sink when an error occurs.
fn poll_ready(
self: Pin<&mut Self>,
cx: &mut Context
) -> Poll<Result<(), Self::Error>>
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self: Pin<&mut Self>,
cx: &mut Context
) -> Poll<Result<(), Self::Error>>
fn start_send(self: Pin<&mut Self>, item: WsMessage) -> Result<(), Self::Error>
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fn poll_flush(
self: Pin<&mut Self>,
_: &mut Context
) -> Poll<Result<(), Self::Error>>
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self: Pin<&mut Self>,
_: &mut Context
) -> Poll<Result<(), Self::Error>>
fn poll_close(
self: Pin<&mut Self>,
cx: &mut Context
) -> Poll<Result<(), Self::Error>>
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self: Pin<&mut Self>,
cx: &mut Context
) -> Poll<Result<(), Self::Error>>
impl Stream for WsStream
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Auto Trait Implementations
impl !RefUnwindSafe for WsStream
impl Send for WsStream
impl Sync for WsStream
impl Unpin for WsStream
impl !UnwindSafe for WsStream
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, Item> SinkExt<Item> for T where
T: Sink<Item> + ?Sized,
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T: Sink<Item> + ?Sized,
fn with<U, Fut, F, E>(self, f: F) -> With<Self, Item, U, Fut, F> where
E: From<Self::Error>,
F: FnMut(U) -> Fut,
Fut: Future<Output = Result<Item, E>>,
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E: From<Self::Error>,
F: FnMut(U) -> Fut,
Fut: Future<Output = Result<Item, E>>,
fn with_flat_map<U, St, F>(self, f: F) -> WithFlatMap<Self, Item, U, St, F> where
F: FnMut(U) -> St,
St: Stream<Item = Result<Item, Self::Error>>,
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F: FnMut(U) -> St,
St: Stream<Item = Result<Item, Self::Error>>,
fn sink_map_err<E, F>(self, f: F) -> SinkMapErr<Self, F> where
F: FnOnce(Self::Error) -> E,
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F: FnOnce(Self::Error) -> E,
fn sink_err_into<E>(self) -> SinkErrInto<Self, Item, E> where
Self::Error: Into<E>,
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Self::Error: Into<E>,
fn buffer(self, capacity: usize) -> Buffer<Self, Item>
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fn close(&mut self) -> Close<Self, Item> where
Self: Unpin,
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Self: Unpin,
fn fanout<Si>(self, other: Si) -> Fanout<Self, Si> where
Item: Clone,
Si: Sink<Item, Error = Self::Error>,
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Item: Clone,
Si: Sink<Item, Error = Self::Error>,
fn flush(&mut self) -> Flush<Self, Item> where
Self: Unpin,
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Self: Unpin,
fn send(&mut self, item: Item) -> Send<Self, Item> where
Self: Unpin,
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Self: Unpin,
fn send_all<St>(&'a mut self, stream: &'a mut St) -> SendAll<'a, Self, St> where
Self: Unpin,
St: TryStream<Ok = Item, Error = Self::Error> + Stream + Unpin + ?Sized,
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Self: Unpin,
St: TryStream<Ok = Item, Error = Self::Error> + Stream + Unpin + ?Sized,
fn left_sink<Si2>(self) -> Either<Self, Si2> where
Si2: Sink<Item, Error = Self::Error>,
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Si2: Sink<Item, Error = Self::Error>,
fn right_sink<Si1>(self) -> Either<Si1, Self> where
Si1: Sink<Item, Error = Self::Error>,
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Si1: Sink<Item, Error = Self::Error>,
impl<T> StreamExt for T where
T: Stream + ?Sized,
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T: Stream + ?Sized,
fn next(&mut self) -> Next<Self> where
Self: Unpin,
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Self: Unpin,
fn into_future(self) -> StreamFuture<Self> where
Self: Unpin,
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Self: Unpin,
fn map<T, F>(self, f: F) -> Map<Self, F> where
F: FnMut(Self::Item) -> T,
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F: FnMut(Self::Item) -> T,
fn enumerate(self) -> Enumerate<Self>
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fn filter<Fut, F>(self, f: F) -> Filter<Self, Fut, F> where
F: FnMut(&Self::Item) -> Fut,
Fut: Future<Output = bool>,
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F: FnMut(&Self::Item) -> Fut,
Fut: Future<Output = bool>,
fn filter_map<Fut, T, F>(self, f: F) -> FilterMap<Self, Fut, F> where
F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = Option<T>>,
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F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = Option<T>>,
fn then<Fut, F>(self, f: F) -> Then<Self, Fut, F> where
F: FnMut(Self::Item) -> Fut,
Fut: Future,
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F: FnMut(Self::Item) -> Fut,
Fut: Future,
fn collect<C>(self) -> Collect<Self, C> where
C: Default + Extend<Self::Item>,
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C: Default + Extend<Self::Item>,
fn concat(self) -> Concat<Self> where
Self::Item: Extend<<Self::Item as IntoIterator>::Item>,
Self::Item: IntoIterator,
Self::Item: Default,
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Self::Item: Extend<<Self::Item as IntoIterator>::Item>,
Self::Item: IntoIterator,
Self::Item: Default,
fn fold<T, Fut, F>(self, init: T, f: F) -> Fold<Self, Fut, T, F> where
F: FnMut(T, Self::Item) -> Fut,
Fut: Future<Output = T>,
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F: FnMut(T, Self::Item) -> Fut,
Fut: Future<Output = T>,
fn flatten(self) -> Flatten<Self> where
Self::Item: Stream,
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Self::Item: Stream,
fn scan<S, B, Fut, F>(self, initial_state: S, f: F) -> Scan<Self, S, Fut, F> where
F: FnMut(&mut S, Self::Item) -> Fut,
Fut: Future<Output = Option<B>>,
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F: FnMut(&mut S, Self::Item) -> Fut,
Fut: Future<Output = Option<B>>,
fn skip_while<Fut, F>(self, f: F) -> SkipWhile<Self, Fut, F> where
F: FnMut(&Self::Item) -> Fut,
Fut: Future<Output = bool>,
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F: FnMut(&Self::Item) -> Fut,
Fut: Future<Output = bool>,
fn take_while<Fut, F>(self, f: F) -> TakeWhile<Self, Fut, F> where
F: FnMut(&Self::Item) -> Fut,
Fut: Future<Output = bool>,
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F: FnMut(&Self::Item) -> Fut,
Fut: Future<Output = bool>,
fn for_each<Fut, F>(self, f: F) -> ForEach<Self, Fut, F> where
F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = ()>,
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F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = ()>,
fn for_each_concurrent<Fut, F>(
self,
limit: impl Into<Option<usize>>,
f: F
) -> ForEachConcurrent<Self, Fut, F> where
F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = ()>,
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self,
limit: impl Into<Option<usize>>,
f: F
) -> ForEachConcurrent<Self, Fut, F> where
F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = ()>,
fn take(self, n: usize) -> Take<Self>
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fn skip(self, n: usize) -> Skip<Self>
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fn fuse(self) -> Fuse<Self>
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fn by_ref(&mut self) -> &mut Self
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fn catch_unwind(self) -> CatchUnwind<Self> where
Self: UnwindSafe,
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Self: UnwindSafe,
fn boxed<'a>(self) -> Pin<Box<dyn Stream<Item = Self::Item> + 'a + Send>> where
Self: Send + 'a,
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Self: Send + 'a,
fn boxed_local<'a>(self) -> Pin<Box<dyn Stream<Item = Self::Item> + 'a>> where
Self: 'a,
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Self: 'a,
fn buffered(self, n: usize) -> Buffered<Self> where
Self::Item: Future,
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Self::Item: Future,
fn buffer_unordered(self, n: usize) -> BufferUnordered<Self> where
Self::Item: Future,
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Self::Item: Future,
fn zip<St>(self, other: St) -> Zip<Self, St> where
St: Stream,
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St: Stream,
fn chain<St>(self, other: St) -> Chain<Self, St> where
St: Stream<Item = Self::Item>,
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St: Stream<Item = Self::Item>,
fn peekable(self) -> Peekable<Self>
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fn chunks(self, capacity: usize) -> Chunks<Self>
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fn forward<S>(self, sink: S) -> Forward<Self, S> where
S: Sink<Self::Ok>,
Self: TryStream<Error = <S as Sink<Self::Ok>>::Error>,
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S: Sink<Self::Ok>,
Self: TryStream<Error = <S as Sink<Self::Ok>>::Error>,
fn split<Item>(self) -> (SplitSink<Self, Item>, SplitStream<Self>) where
Self: Sink<Item>,
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Self: Sink<Item>,
fn inspect<F>(self, f: F) -> Inspect<Self, F> where
F: FnMut(&Self::Item),
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F: FnMut(&Self::Item),
fn left_stream<B>(self) -> Either<Self, B> where
B: Stream<Item = Self::Item>,
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B: Stream<Item = Self::Item>,
fn right_stream<B>(self) -> Either<B, Self> where
B: Stream<Item = Self::Item>,
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B: Stream<Item = Self::Item>,
fn poll_next_unpin(&mut self, cx: &mut Context) -> Poll<Option<Self::Item>> where
Self: Unpin,
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Self: Unpin,
fn select_next_some(&mut self) -> SelectNextSome<Self> where
Self: Unpin + FusedStream,
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Self: Unpin + FusedStream,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,