pub struct StreamingResponse<T> { /* private fields */ }Expand description
A streaming gRPC response.
Compared to the normal streaming response type from tonic, StreamingResponse handles a special case where
servers may not send a guaranteed initial message, which is required for tonic to create and return the
Streaming object that can then be polled. This leads to an issue where calls can effectively appear to block
until the first message is sent by the server, which is suboptimal.
StreamingResponse exposes a unified Stream implementation that encompasses both the initial RPC
establishment and subsequent messages sent by the server, to allow for a more seamless experience when working
with streaming RPCs.
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Source§impl<T> Stream for StreamingResponse<T>
impl<T> Stream for StreamingResponse<T>
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impl<T> Freeze for StreamingResponse<T>
impl<T> !RefUnwindSafe for StreamingResponse<T>
impl<T> Send for StreamingResponse<T>
impl<T> !Sync for StreamingResponse<T>
impl<T> UnsafeUnpin for StreamingResponse<T>
impl<T> !UnwindSafe for StreamingResponse<T>
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fn try_chunks(self, capacity: usize) -> TryChunks<Self>where
Self: Sized,
An adaptor for chunking up successful items of the stream inside a vector. Read more
Source§fn try_ready_chunks(self, capacity: usize) -> TryReadyChunks<Self>where
Self: Sized,
fn try_ready_chunks(self, capacity: usize) -> TryReadyChunks<Self>where
Self: Sized,
An adaptor for chunking up successful, ready items of the stream inside a vector. Read more
Source§fn try_filter<Fut, F>(self, f: F) -> TryFilter<Self, Fut, F>
fn try_filter<Fut, F>(self, f: F) -> TryFilter<Self, Fut, F>
Attempt to filter the values produced by this stream according to the
provided asynchronous closure. Read more
Source§fn try_filter_map<Fut, F, T>(self, f: F) -> TryFilterMap<Self, Fut, F>
fn try_filter_map<Fut, F, T>(self, f: F) -> TryFilterMap<Self, Fut, F>
Attempt to filter the values produced by this stream while
simultaneously mapping them to a different type according to the
provided asynchronous closure. Read more
Source§fn try_flatten_unordered(
self,
limit: impl Into<Option<usize>>,
) -> TryFlattenUnordered<Self>
fn try_flatten_unordered( self, limit: impl Into<Option<usize>>, ) -> TryFlattenUnordered<Self>
Flattens a stream of streams into just one continuous stream. Produced streams
will be polled concurrently and any errors will be passed through without looking at them.
If the underlying base stream returns an error, it will be immediately propagated. Read more
Source§fn try_flatten(self) -> TryFlatten<Self>
fn try_flatten(self) -> TryFlatten<Self>
Flattens a stream of streams into just one continuous stream. Read more
Source§fn try_fold<T, Fut, F>(self, init: T, f: F) -> TryFold<Self, Fut, T, F>
fn try_fold<T, Fut, F>(self, init: T, f: F) -> TryFold<Self, Fut, T, F>
Attempt to execute an accumulating asynchronous computation over a
stream, collecting all the values into one final result. Read more
Source§fn try_concat(self) -> TryConcat<Self>
fn try_concat(self) -> TryConcat<Self>
Attempt to concatenate all items of a stream into a single
extendable destination, returning a future representing the end result. Read more
Source§fn try_buffer_unordered(self, n: usize) -> TryBufferUnordered<Self>
fn try_buffer_unordered(self, n: usize) -> TryBufferUnordered<Self>
Attempt to execute several futures from a stream concurrently (unordered). Read more
Source§fn try_buffered(self, n: usize) -> TryBuffered<Self>
fn try_buffered(self, n: usize) -> TryBuffered<Self>
Attempt to execute several futures from a stream concurrently. Read more
Source§fn try_poll_next_unpin(
&mut self,
cx: &mut Context<'_>,
) -> Poll<Option<Result<Self::Ok, Self::Error>>>where
Self: Unpin,
fn try_poll_next_unpin(
&mut self,
cx: &mut Context<'_>,
) -> Poll<Option<Result<Self::Ok, Self::Error>>>where
Self: Unpin,
A convenience method for calling
TryStream::try_poll_next on Unpin
stream types.Source§fn into_async_read(self) -> IntoAsyncRead<Self>
fn into_async_read(self) -> IntoAsyncRead<Self>
Adapter that converts this stream into an
AsyncBufRead. Read moreSource§fn try_all<Fut, F>(self, f: F) -> TryAll<Self, Fut, F>
fn try_all<Fut, F>(self, f: F) -> TryAll<Self, Fut, F>
Attempt to execute a predicate over an asynchronous stream and evaluate if all items
satisfy the predicate. Exits early if an
Err is encountered or if an Ok item is found
that does not satisfy the predicate. Read more