Struct arti_client::DataWriter

pub struct DataWriter {
    state: Option<DataWriterState>,
    ctrl: Arc<DataStreamCtrl>,
}
Expand description

The write half of a DataStream, implementing [futures::io::AsyncWrite].

See the DataStream docs for more information. In particular, note that this writer requires poll_flush to complete in order to guarantee that all data has been written.

§Usage with Tokio

If the tokio crate feature is enabled, this type also implements tokio::io::AsyncWrite for easier integration with code that expects that trait.

Fields§

§state: Option<DataWriterState>§ctrl: Arc<DataStreamCtrl>
Available on crate feature stream-ctrl only.

Implementations§

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impl DataWriter

pub fn ctrl(&self) -> &Arc<DataStreamCtrl>

Available on crate feature stream-ctrl only.

Return a [DataStreamCtrl] object that can be used to monitor and interact with this stream without holding the stream itself.

Trait Implementations§

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impl AsyncWrite for DataWriter

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

Attempt to write bytes from buf into the object. Read more
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fn poll_flush( self: Pin<&mut DataWriter>, cx: &mut Context<'_> ) -> Poll<Result<(), Error>>

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 DataWriter>, cx: &mut Context<'_> ) -> Poll<Result<(), Error>>

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 AsyncWrite for DataWriter

Available on crate feature tokio only.
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fn poll_write( self: Pin<&mut DataWriter>, cx: &mut Context<'_>, buf: &[u8] ) -> Poll<Result<usize, Error>>

Attempt to write bytes from buf into the object. Read more
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fn poll_flush( self: Pin<&mut DataWriter>, cx: &mut Context<'_> ) -> Poll<Result<(), Error>>

Attempts to flush the object, ensuring that any buffered data reach their destination. Read more
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fn poll_shutdown( self: Pin<&mut DataWriter>, cx: &mut Context<'_> ) -> Poll<Result<(), Error>>

Initiates or attempts to shut down this writer, returning success when the I/O connection has completely shut down. Read more
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fn poll_write_vectored( self: Pin<&mut Self>, cx: &mut Context<'_>, bufs: &[IoSlice<'_>] ) -> Poll<Result<usize, Error>>

Like poll_write, except that it writes from a slice of buffers. Read more
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fn is_write_vectored(&self) -> bool

Determines if this writer has an efficient poll_write_vectored implementation. Read more
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impl Debug for DataWriter

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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

Write data into this object. Read more
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fn into_sink<Item>(self) -> IntoSink<Self, Item>
where Item: AsRef<[u8]>, Self: Sized,

Available on crate feature sink only.
Allow using an [AsyncWrite] as a Sink<Item: AsRef<[u8]>>. Read more
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impl<W> AsyncWriteExt for W
where W: AsyncWrite + ?Sized,

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

Writes some bytes into the byte stream. Read more
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fn write_vectored<'a>( &'a mut self, bufs: &'a [IoSlice<'a>] ) -> WriteVectoredFuture<'a, Self>
where Self: Unpin,

Like [write()][AsyncWriteExt::write()], except that it writes a slice of buffers. Read more
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fn write_all<'a>(&'a mut self, buf: &'a [u8]) -> WriteAllFuture<'a, Self>
where Self: Unpin,

Writes an entire buffer into the byte stream. Read more
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fn flush(&mut self) -> FlushFuture<'_, Self>
where Self: Unpin,

Flushes the stream to ensure that all buffered contents reach their destination. Read more
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fn close(&mut self) -> CloseFuture<'_, Self>
where Self: Unpin,

Closes the writer. Read more
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fn boxed_writer<'a>(self) -> Pin<Box<dyn AsyncWrite + Send + 'a>>
where Self: Sized + Send + 'a,

Available on crate feature alloc only.
Boxes the writer and changes its type to dyn AsyncWrite + Send + 'a. Read more
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impl<W> AsyncWriteExt for W
where W: AsyncWrite + ?Sized,

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

Writes some bytes into the byte stream. Read more
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fn write_vectored<'a>( &'a mut self, bufs: &'a [IoSlice<'a>] ) -> WriteVectoredFuture<'a, Self>
where Self: Unpin,

Like [write()][AsyncWriteExt::write()], except that it writes a slice of buffers. Read more
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fn write_all<'a>(&'a mut self, buf: &'a [u8]) -> WriteAllFuture<'a, Self>
where Self: Unpin,

Writes an entire buffer into the byte stream. Read more
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fn flush(&mut self) -> FlushFuture<'_, Self>
where Self: Unpin,

Flushes the stream to ensure that all buffered contents reach their destination. Read more
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fn close(&mut self) -> CloseFuture<'_, Self>
where Self: Unpin,

Closes the writer. Read more
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fn boxed_writer<'a>(self) -> Pin<Box<dyn AsyncWrite + Send + 'a>>
where Self: Sized + Send + 'a,

Available on crate feature alloc only.
Boxes the writer and changes its type to dyn AsyncWrite + Send + 'a. Read more
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impl<W> AsyncWriteExt for W
where W: AsyncWrite + ?Sized,

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

Writes a buffer into this writer, returning how many bytes were written. Read more
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fn write_vectored<'a, 'b>( &'a mut self, bufs: &'a [IoSlice<'b>] ) -> WriteVectored<'a, 'b, Self>
where Self: Unpin,

Like write, except that it writes from a slice of buffers. Read more
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fn write_buf<'a, B>(&'a mut self, src: &'a mut B) -> WriteBuf<'a, Self, B>
where Self: Sized + Unpin, B: Buf,

Writes a buffer into this writer, advancing the buffer’s internal cursor. Read more
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fn write_all_buf<'a, B>( &'a mut self, src: &'a mut B ) -> WriteAllBuf<'a, Self, B>
where Self: Sized + Unpin, B: Buf,

Attempts to write an entire buffer into this writer. Read more
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fn write_all<'a>(&'a mut self, src: &'a [u8]) -> WriteAll<'a, Self>
where Self: Unpin,

Attempts to write an entire buffer into this writer. Read more
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fn write_u8(&mut self, n: u8) -> WriteU8<&mut Self>
where Self: Unpin,

Writes an unsigned 8-bit integer to the underlying writer. Read more
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fn write_i8(&mut self, n: i8) -> WriteI8<&mut Self>
where Self: Unpin,

Writes a signed 8-bit integer to the underlying writer. Read more
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fn write_u16(&mut self, n: u16) -> WriteU16<&mut Self>
where Self: Unpin,

Writes an unsigned 16-bit integer in big-endian order to the underlying writer. Read more
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fn write_i16(&mut self, n: i16) -> WriteI16<&mut Self>
where Self: Unpin,

Writes a signed 16-bit integer in big-endian order to the underlying writer. Read more
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fn write_u32(&mut self, n: u32) -> WriteU32<&mut Self>
where Self: Unpin,

Writes an unsigned 32-bit integer in big-endian order to the underlying writer. Read more
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fn write_i32(&mut self, n: i32) -> WriteI32<&mut Self>
where Self: Unpin,

Writes a signed 32-bit integer in big-endian order to the underlying writer. Read more
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fn write_u64(&mut self, n: u64) -> WriteU64<&mut Self>
where Self: Unpin,

Writes an unsigned 64-bit integer in big-endian order to the underlying writer. Read more
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fn write_i64(&mut self, n: i64) -> WriteI64<&mut Self>
where Self: Unpin,

Writes an signed 64-bit integer in big-endian order to the underlying writer. Read more
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fn write_u128(&mut self, n: u128) -> WriteU128<&mut Self>
where Self: Unpin,

Writes an unsigned 128-bit integer in big-endian order to the underlying writer. Read more
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fn write_i128(&mut self, n: i128) -> WriteI128<&mut Self>
where Self: Unpin,

Writes an signed 128-bit integer in big-endian order to the underlying writer. Read more
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fn write_f32(&mut self, n: f32) -> WriteF32<&mut Self>
where Self: Unpin,

Writes an 32-bit floating point type in big-endian order to the underlying writer. Read more
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fn write_f64(&mut self, n: f64) -> WriteF64<&mut Self>
where Self: Unpin,

Writes an 64-bit floating point type in big-endian order to the underlying writer. Read more
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fn write_u16_le(&mut self, n: u16) -> WriteU16Le<&mut Self>
where Self: Unpin,

Writes an unsigned 16-bit integer in little-endian order to the underlying writer. Read more
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fn write_i16_le(&mut self, n: i16) -> WriteI16Le<&mut Self>
where Self: Unpin,

Writes a signed 16-bit integer in little-endian order to the underlying writer. Read more
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fn write_u32_le(&mut self, n: u32) -> WriteU32Le<&mut Self>
where Self: Unpin,

Writes an unsigned 32-bit integer in little-endian order to the underlying writer. Read more
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fn write_i32_le(&mut self, n: i32) -> WriteI32Le<&mut Self>
where Self: Unpin,

Writes a signed 32-bit integer in little-endian order to the underlying writer. Read more
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fn write_u64_le(&mut self, n: u64) -> WriteU64Le<&mut Self>
where Self: Unpin,

Writes an unsigned 64-bit integer in little-endian order to the underlying writer. Read more
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fn write_i64_le(&mut self, n: i64) -> WriteI64Le<&mut Self>
where Self: Unpin,

Writes an signed 64-bit integer in little-endian order to the underlying writer. Read more
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fn write_u128_le(&mut self, n: u128) -> WriteU128Le<&mut Self>
where Self: Unpin,

Writes an unsigned 128-bit integer in little-endian order to the underlying writer. Read more
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fn write_i128_le(&mut self, n: i128) -> WriteI128Le<&mut Self>
where Self: Unpin,

Writes an signed 128-bit integer in little-endian order to the underlying writer. Read more
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fn write_f32_le(&mut self, n: f32) -> WriteF32Le<&mut Self>
where Self: Unpin,

Writes an 32-bit floating point type in little-endian order to the underlying writer. Read more
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fn write_f64_le(&mut self, n: f64) -> WriteF64Le<&mut Self>
where Self: Unpin,

Writes an 64-bit floating point type in little-endian order to the underlying writer. Read more
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fn flush(&mut self) -> Flush<'_, Self>
where Self: Unpin,

Flushes this output stream, ensuring that all intermediately buffered contents reach their destination. Read more
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fn shutdown(&mut self) -> Shutdown<'_, Self>
where Self: Unpin,

Shuts down the output stream, ensuring that the value can be dropped cleanly. Read more
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Immutably borrows from an owned value. Read more
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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> FuturesAsyncWriteCompatExt for T
where T: AsyncWrite,

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fn compat_write(self) -> Compat<Self>
where Self: Sized,

Wraps self with a compatibility layer that implements tokio::io::AsyncWrite.
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fn write<'a>(&'a mut self, buf: &'a [u8]) -> WriteFuture<'a, Self>
where Self: Unpin,

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

Flushes the stream to ensure that all buffered contents reach their destination. Read more
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fn write_vectored<'a>( &'a mut self, bufs: &'a [IoSlice<'a>] ) -> WriteVectoredFuture<'a, Self>
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where Self: Unpin,

Writes an entire buffer into the byte stream. Read more
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where Self: Unpin,

Writes a formatted string into this writer, returning any error encountered. Read more