Struct futures_test::io::read::Limited

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pub struct Limited<Io> { /* private fields */ }

Expand description

I/O wrapper that limits the number of bytes written or read on each call.

See the limited and limited_write methods.

Implementations

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impl<Io> Limited<Io>

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pub fn get_ref(&self) -> &Io

Acquires a reference to the underlying I/O object that this adaptor is wrapping.

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pub fn get_mut(&mut self) -> &mut Io

Acquires a mutable reference to the underlying I/O object that this adaptor is wrapping.

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pub fn get_pin_mut(self: Pin<&mut Self>) -> Pin<&mut Io>ⓘNotable traits for Pin`impl Future for Pin where P: DerefMut, ::Target: Future, type Output = <::Target as Future>::Output;`

Acquires a pinned mutable reference to the underlying I/O object that this adaptor is wrapping.

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pub fn into_inner(self) -> Io

Consumes this adaptor returning the underlying I/O object.

Trait Implementations

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impl<R: AsyncBufRead> AsyncBufRead for Limited<R>

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fn poll_fill_buf(
self: Pin<&mut Self>,
cx: &mut Context<'_>
) -> Poll<Result<&[u8 ]>>

Attempt to return the contents of the internal buffer, filling it with more data from the inner reader if it is empty. Read more

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fn consume(self: Pin<&mut Self>, amount: usize)

Tells this buffer that amt bytes have been consumed from the buffer, so they should no longer be returned in calls to poll_read. Read more

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impl<R: AsyncRead> AsyncRead for Limited<R>

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fn poll_read(
 self: Pin<&mut Self>,
 cx: &mut Context<'_>,
 buf: &mut [u8 ]
) -> Poll<Result<usize>>

Attempt to read from the AsyncRead into buf. Read more

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fn poll_read_vectored(
 self: Pin<&mut Self>,
 cx: &mut Context<'_>,
 bufs: &mut [IoSliceMut<'_>]
) -> Poll<Result<usize, Error>>

Attempt to read from the AsyncRead into bufs using vectored IO operations. Read more

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impl<W: AsyncWrite> AsyncWrite for Limited<W>

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fn poll_write(
 self: Pin<&mut Self>,
 cx: &mut Context<'_>,
 buf: &[u8 ]
) -> Poll<Result<usize>>

Attempt to write bytes from buf into the object. Read more

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fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<()>>

Attempt to flush the object, ensuring that any buffered data reach their destination. Read more

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fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<()>>

Attempt to close the object. Read more

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fn poll_write_vectored(
 self: Pin<&mut Self>,
 cx: &mut Context<'_>,
 bufs: &[IoSlice<'_>]
) -> Poll<Result<usize, Error>>

Attempt to write bytes from bufs into the object using vectored IO operations. Read more

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impl<Io: Debug> Debug for Limited<Io>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl<'pin, Io> Unpin for Limited<Io> where
__Limited<'pin, Io>: Unpin,

Auto Trait Implementations

impl<Io> RefUnwindSafe for Limited<Io> where
Io: RefUnwindSafe,

impl<Io> Send for Limited<Io> where
Io: Send,

impl<Io> Sync for Limited<Io> where
Io: Sync,

impl<Io> UnwindSafe for Limited<Io> where
Io: UnwindSafe,

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<R> AsyncBufReadExt for R where
R: AsyncBufRead + ?Sized,

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fn fill_buf(&mut self) -> FillBuf<'_, Self> where
Self: Unpin,

Creates a future which will wait for a non-empty buffer to be available from this I/O object or EOF to be reached. Read more

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fn consume_unpin(&mut self, amt: usize) where
Self: Unpin,

A convenience for calling AsyncBufRead::consume on Unpin IO types. Read more

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fn read_until(
 &'a mut self,
 byte: u8,
 buf: &'a mut Vec<u8, Global>
) -> ReadUntil<'a, Self> where
 Self: Unpin,

Creates a future which will read all the bytes associated with this I/O object into buf until the delimiter byte or EOF is reached. This method is the async equivalent to BufRead::read_until. Read more

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fn read_line(&'a mut self, buf: &'a mut String) -> ReadLine<'a, Self> where
Self: Unpin,

Creates a future which will read all the bytes associated with this I/O object into buf until a newline (the 0xA byte) or EOF is reached, This method is the async equivalent to BufRead::read_line. Read more

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fn lines(self) -> Lines<Self>

Returns a stream over the lines of this reader. This method is the async equivalent to BufRead::lines. Read more

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impl<R> AsyncReadExt for R where
R: AsyncRead + ?Sized,

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fn chain<R>(self, next: R) -> Chain<Self, R> where
R: AsyncRead,

Creates an adaptor which will chain this stream with another. Read more

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fn read(&'a mut self, buf: &'a mut [u8 ]) -> Read<'a, Self> where
Self: Unpin,

Tries to read some bytes directly into the given buf in asynchronous manner, returning a future type. Read more

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fn read_vectored(
 &'a mut self,
 bufs: &'a mut [IoSliceMut<'a>]
) -> ReadVectored<'a, Self> where
 Self: Unpin,

Creates a future which will read from the AsyncRead into bufs using vectored IO operations. Read more

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fn read_exact(&'a mut self, buf: &'a mut [u8 ]) -> ReadExact<'a, Self> where
Self: Unpin,

Creates a future which will read exactly enough bytes to fill buf, returning an error if end of file (EOF) is hit sooner. Read more

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fn read_to_end(
 &'a mut self,
 buf: &'a mut Vec<u8, Global>
) -> ReadToEnd<'a, Self> where
 Self: Unpin,

Creates a future which will read all the bytes from this AsyncRead. Read more

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fn read_to_string(&'a mut self, buf: &'a mut String) -> ReadToString<'a, Self> where
Self: Unpin,

Creates a future which will read all the bytes from this AsyncRead. Read more

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fn split(self) -> (ReadHalf<Self>, WriteHalf<Self>) where
Self: AsyncWrite,

Helper method for splitting this read/write object into two halves. Read more

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fn take(self, limit: u64) -> Take<Self>

Creates an AsyncRead adapter which will read at most limit bytes from the underlying reader. Read more

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impl<R> AsyncReadTestExt for R where
R: AsyncRead,

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fn assert_unmoved(self) -> AssertUnmoved<Self>ⓘNotable traits for AssertUnmoved<Fut>`impl<Fut: Future> Future for AssertUnmoved<Fut> type Output = Fut::Output;` where
Self: Sized,

Asserts that the given is not moved after being polled. Read more

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fn interleave_pending(self) -> InterleavePending<Self>ⓘNotable traits for InterleavePending<Fut>`impl<Fut: Future> Future for InterleavePending<Fut> type Output = Fut::Output;` where
Self: Sized,

Introduces an extra Poll::Pending in between each read of the reader. Read more

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fn limited(self, limit: usize) -> Limited<Self> where
Self: Sized,

Limit the number of bytes allowed to be read on each call to poll_read. Read more

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impl<W> AsyncWriteExt for W where
W: AsyncWrite + ?Sized,

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fn flush(&mut self) -> Flush<'_, Self> where
Self: Unpin,

Creates a future which will entirely flush this AsyncWrite. Read more

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fn close(&mut self) -> Close<'_, Self> where
Self: Unpin,

Creates a future which will entirely close this AsyncWrite.

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fn write(&'a mut self, buf: &'a [u8 ]) -> Write<'a, Self> where
Self: Unpin,

Creates a future which will write bytes from buf into the object. Read more

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fn write_vectored(
 &'a mut self,
 bufs: &'a [IoSlice<'a>]
) -> WriteVectored<'a, Self> where
 Self: Unpin,

Creates a future which will write bytes from bufs into the object using vectored IO operations. Read more

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fn write_all(&'a mut self, buf: &'a [u8 ]) -> WriteAll<'a, Self> where
Self: Unpin,

Write data into this object. Read more

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fn write_all_vectored(
 &'a mut self,
 bufs: &'a mut [IoSlice<'a>]
) -> WriteAllVectored<'a, Self> where
 Self: Unpin,

Attempts to write multiple buffers into this writer. Read more

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fn into_sink<Item>(self) -> IntoSink<Self, Item> where
Item: AsRef<[u8 ]>,

Allow using an AsyncWrite as a Sink<Item: AsRef<[u8]>>. Read more

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impl<W> AsyncWriteTestExt for W where
W: AsyncWrite,

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fn assert_unmoved_write(self) -> AssertUnmoved<Self>ⓘNotable traits for AssertUnmoved<Fut>`impl<Fut: Future> Future for AssertUnmoved<Fut> type Output = Fut::Output;` where
Self: Sized,

Asserts that the given is not moved after being polled. Read more

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fn interleave_pending_write(self) -> InterleavePending<Self>ⓘNotable traits for InterleavePending<Fut>`impl<Fut: Future> Future for InterleavePending<Fut> type Output = Fut::Output;` where
Self: Sized,

Introduces an extra Poll::Pending in between each operation on the writer. Read more

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fn limited_write(self, limit: usize) -> Limited<Self> where
Self: Sized,

Limit the number of bytes allowed to be written on each call to poll_write. Read more

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fn track_closed(self) -> TrackClosed<Self> where
Self: Sized,

Track whether this stream has been closed and errors if it is used after closing. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct futures_test::io::read::Limited

Implementations

impl<Io> Limited<Io>

pub fn get_ref(&self) -> &Io

pub fn get_mut(&mut self) -> &mut Io

pub fn get_pin_mut(self: Pin<&mut Self>) -> Pin<&mut Io>ⓘNotable traits for Pin<P>impl<P> Future for Pin<P> where P: DerefMut, <P as Deref>::Target: Future, type Output = <<P as Deref>::Target as Future>::Output;

pub fn into_inner(self) -> Io

Trait Implementations

impl<R: AsyncBufRead> AsyncBufRead for Limited<R>

fn poll_fill_buf( self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<&[u8]>>

fn consume(self: Pin<&mut Self>, amount: usize)

impl<R: AsyncRead> AsyncRead for Limited<R>

fn poll_read( self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &mut [u8]) -> Poll<Result<usize>>

fn poll_read_vectored( self: Pin<&mut Self>, cx: &mut Context<'_>, bufs: &mut [IoSliceMut<'_>]) -> Poll<Result<usize, Error>>

impl<W: AsyncWrite> AsyncWrite for Limited<W>

fn poll_write( self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &[u8]) -> Poll<Result<usize>>

fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<()>>

fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<()>>

fn poll_write_vectored( self: Pin<&mut Self>, cx: &mut Context<'_>, bufs: &[IoSlice<'_>]) -> Poll<Result<usize, Error>>

impl<Io: Debug> Debug for Limited<Io>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl<'pin, Io> Unpin for Limited<Io> where __Limited<'pin, Io>: Unpin,

Auto Trait Implementations

impl<Io> RefUnwindSafe for Limited<Io> where Io: RefUnwindSafe,

impl<Io> Send for Limited<Io> where Io: Send,

impl<Io> Sync for Limited<Io> where Io: Sync,

impl<Io> UnwindSafe for Limited<Io> where Io: UnwindSafe,

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<R> AsyncBufReadExt for R where R: AsyncBufRead + ?Sized,

fn fill_buf(&mut self) -> FillBuf<'_, Self> where Self: Unpin,

fn consume_unpin(&mut self, amt: usize) where Self: Unpin,

fn read_until( &'a mut self, byte: u8, buf: &'a mut Vec<u8, Global>) -> ReadUntil<'a, Self> where Self: Unpin,

fn read_line(&'a mut self, buf: &'a mut String) -> ReadLine<'a, Self> where Self: Unpin,

fn lines(self) -> Lines<Self>

impl<R> AsyncReadExt for R where R: AsyncRead + ?Sized,

fn chain<R>(self, next: R) -> Chain<Self, R> where R: AsyncRead,

fn read(&'a mut self, buf: &'a mut [u8]) -> Read<'a, Self> where Self: Unpin,

fn read_vectored( &'a mut self, bufs: &'a mut [IoSliceMut<'a>]) -> ReadVectored<'a, Self> where Self: Unpin,

fn read_exact(&'a mut self, buf: &'a mut [u8]) -> ReadExact<'a, Self> where Self: Unpin,

fn read_to_end( &'a mut self, buf: &'a mut Vec<u8, Global>) -> ReadToEnd<'a, Self> where Self: Unpin,

fn read_to_string(&'a mut self, buf: &'a mut String) -> ReadToString<'a, Self> where Self: Unpin,

fn split(self) -> (ReadHalf<Self>, WriteHalf<Self>) where Self: AsyncWrite,

fn take(self, limit: u64) -> Take<Self>

impl<R> AsyncReadTestExt for R where R: AsyncRead,

fn assert_unmoved(self) -> AssertUnmoved<Self>ⓘNotable traits for AssertUnmoved<Fut>impl<Fut: Future> Future for AssertUnmoved<Fut> type Output = Fut::Output; where Self: Sized,

fn interleave_pending(self) -> InterleavePending<Self>ⓘNotable traits for InterleavePending<Fut>impl<Fut: Future> Future for InterleavePending<Fut> type Output = Fut::Output; where Self: Sized,

fn limited(self, limit: usize) -> Limited<Self> where Self: Sized,

impl<W> AsyncWriteExt for W where W: AsyncWrite + ?Sized,

fn flush(&mut self) -> Flush<'_, Self> where Self: Unpin,

fn close(&mut self) -> Close<'_, Self> where Self: Unpin,

fn write(&'a mut self, buf: &'a [u8]) -> Write<'a, Self> where Self: Unpin,

fn write_vectored( &'a mut self, bufs: &'a [IoSlice<'a>]) -> WriteVectored<'a, Self> where Self: Unpin,

fn write_all(&'a mut self, buf: &'a [u8]) -> WriteAll<'a, Self> where Self: Unpin,

fn write_all_vectored( &'a mut self, bufs: &'a mut [IoSlice<'a>]) -> WriteAllVectored<'a, Self> where Self: Unpin,

fn into_sink<Item>(self) -> IntoSink<Self, Item> where Item: AsRef<[u8]>,

impl<W> AsyncWriteTestExt for W where W: AsyncWrite,

fn assert_unmoved_write(self) -> AssertUnmoved<Self>ⓘNotable traits for AssertUnmoved<Fut>impl<Fut: Future> Future for AssertUnmoved<Fut> type Output = Fut::Output; where Self: Sized,

fn interleave_pending_write(self) -> InterleavePending<Self>ⓘNotable traits for InterleavePending<Fut>impl<Fut: Future> Future for InterleavePending<Fut> type Output = Fut::Output; where Self: Sized,

fn limited_write(self, limit: usize) -> Limited<Self> where Self: Sized,

fn track_closed(self) -> TrackClosed<Self> where Self: Sized,

impl<T> Borrow<T> for T where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

fn into(self) -> U

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

pub fn get_pin_mut(self: Pin<&mut Self>) -> Pin<&mut Io>ⓘNotable traits for Pin<P>`impl<P> Future for Pin<P> where P: DerefMut, <P as Deref>::Target: Future, type Output = <<P as Deref>::Target as Future>::Output;`

fn poll_fill_buf(
self: Pin<&mut Self>,
cx: &mut Context<'_>
) -> Poll<Result<&[u8 ]>>

fn poll_read(
self: Pin<&mut Self>,
cx: &mut Context<'_>,
buf: &mut [u8 ]
) -> Poll<Result<usize>>

fn poll_read_vectored(
self: Pin<&mut Self>,
cx: &mut Context<'_>,
bufs: &mut [IoSliceMut<'_>]
) -> Poll<Result<usize, Error>>

fn poll_write(
self: Pin<&mut Self>,
cx: &mut Context<'_>,
buf: &[u8 ]
) -> Poll<Result<usize>>

fn poll_write_vectored(
self: Pin<&mut Self>,
cx: &mut Context<'_>,
bufs: &[IoSlice<'_>]
) -> Poll<Result<usize, Error>>

impl<'pin, Io> Unpin for Limited<Io> where
__Limited<'pin, Io>: Unpin,

impl<Io> RefUnwindSafe for Limited<Io> where
Io: RefUnwindSafe,

impl<Io> Send for Limited<Io> where
Io: Send,

impl<Io> Sync for Limited<Io> where
Io: Sync,

impl<Io> UnwindSafe for Limited<Io> where
Io: UnwindSafe,

impl<T> Any for T where
T: 'static + ?Sized,

impl<R> AsyncBufReadExt for R where
R: AsyncBufRead + ?Sized,

fn fill_buf(&mut self) -> FillBuf<'_, Self> where
Self: Unpin,

fn consume_unpin(&mut self, amt: usize) where
Self: Unpin,

fn read_until(
&'a mut self,
byte: u8,
buf: &'a mut Vec<u8, Global>
) -> ReadUntil<'a, Self> where
Self: Unpin,

fn read_line(&'a mut self, buf: &'a mut String) -> ReadLine<'a, Self> where
Self: Unpin,

impl<R> AsyncReadExt for R where
R: AsyncRead + ?Sized,

fn chain<R>(self, next: R) -> Chain<Self, R> where
R: AsyncRead,

fn read(&'a mut self, buf: &'a mut [u8 ]) -> Read<'a, Self> where
Self: Unpin,

fn read_vectored(
&'a mut self,
bufs: &'a mut [IoSliceMut<'a>]
) -> ReadVectored<'a, Self> where
Self: Unpin,

fn read_exact(&'a mut self, buf: &'a mut [u8 ]) -> ReadExact<'a, Self> where
Self: Unpin,

fn read_to_end(
&'a mut self,
buf: &'a mut Vec<u8, Global>
) -> ReadToEnd<'a, Self> where
Self: Unpin,

fn read_to_string(&'a mut self, buf: &'a mut String) -> ReadToString<'a, Self> where
Self: Unpin,

fn split(self) -> (ReadHalf<Self>, WriteHalf<Self>) where
Self: AsyncWrite,

impl<R> AsyncReadTestExt for R where
R: AsyncRead,

fn assert_unmoved(self) -> AssertUnmoved<Self>ⓘNotable traits for AssertUnmoved<Fut>`impl<Fut: Future> Future for AssertUnmoved<Fut> type Output = Fut::Output;` where
Self: Sized,

fn interleave_pending(self) -> InterleavePending<Self>ⓘNotable traits for InterleavePending<Fut>`impl<Fut: Future> Future for InterleavePending<Fut> type Output = Fut::Output;` where
Self: Sized,

fn limited(self, limit: usize) -> Limited<Self> where
Self: Sized,

impl<W> AsyncWriteExt for W where
W: AsyncWrite + ?Sized,

fn flush(&mut self) -> Flush<'_, Self> where
Self: Unpin,

fn close(&mut self) -> Close<'_, Self> where
Self: Unpin,

fn write(&'a mut self, buf: &'a [u8 ]) -> Write<'a, Self> where
Self: Unpin,

fn write_vectored(
&'a mut self,
bufs: &'a [IoSlice<'a>]
) -> WriteVectored<'a, Self> where
Self: Unpin,

fn write_all(&'a mut self, buf: &'a [u8 ]) -> WriteAll<'a, Self> where
Self: Unpin,

fn write_all_vectored(
&'a mut self,
bufs: &'a mut [IoSlice<'a>]
) -> WriteAllVectored<'a, Self> where
Self: Unpin,

fn into_sink<Item>(self) -> IntoSink<Self, Item> where
Item: AsRef<[u8 ]>,

impl<W> AsyncWriteTestExt for W where
W: AsyncWrite,

fn assert_unmoved_write(self) -> AssertUnmoved<Self>ⓘNotable traits for AssertUnmoved<Fut>`impl<Fut: Future> Future for AssertUnmoved<Fut> type Output = Fut::Output;` where
Self: Sized,

fn interleave_pending_write(self) -> InterleavePending<Self>ⓘNotable traits for InterleavePending<Fut>`impl<Fut: Future> Future for InterleavePending<Fut> type Output = Fut::Output;` where
Self: Sized,

fn limited_write(self, limit: usize) -> Limited<Self> where
Self: Sized,

fn track_closed(self) -> TrackClosed<Self> where
Self: Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,