Struct debian_packaging::io::DigestingWriter

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pub struct DigestingWriter<W> { /* private fields */ }

Expand description

An [AsyncWrite] stream adapter that computes multiple ContentDigest as data is written.

Implementations

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impl<W> DigestingWriter<W>

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pub fn new(dest: W) -> Self

Construct a new instance from a destination writer.

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pub fn finish(self) -> (W, MultiContentDigest )

Finish the stream.

Returns the destination writer and a resolved MultiContentDigest.

Trait Implementations

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impl<W> AsyncWrite for DigestingWriter<W> where
W: AsyncWrite + Unpin,

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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

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<'pin, W> Unpin for DigestingWriter<W> where
__DigestingWriter<'pin, W>: Unpin,

Auto Trait Implementations

impl<W> !RefUnwindSafe for DigestingWriter<W>

impl<W> Send for DigestingWriter<W> where
W: Send,

impl<W> !Sync for DigestingWriter<W>

impl<W> !UnwindSafe for DigestingWriter<W>

Blanket Implementations

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

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pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

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

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

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

Creates a future which will entirely close this AsyncWrite.

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

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

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

Write data into this object. Read more

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

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

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

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

Writes some bytes into the byte stream. Read more

fn write_vectored(
 &'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

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

Writes an entire buffer into the byte stream. Read more

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

Flushes the stream to ensure that all buffered contents reach their destination. Read more

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

Closes the writer. Read more

fn boxed_writer<'a>(self) -> Pin<Box<dyn AsyncWrite + Send + 'a, Global>> where
Self: 'a + Send,

Boxes the writer and changes its type to dyn AsyncWrite + Send + 'a. Read more

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

const: unstable · source

pub 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

pub 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

pub fn from(t: T) -> T

Performs the conversion.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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

const: unstable · source

pub fn into(self) -> U

Performs the conversion.

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impl<T> Same<T> for T

type Output = T

Should always be Self

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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

pub 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

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

Performs the conversion.

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

type Err = >::Err

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

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

pub fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

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impl<T> WriteExt for T where
T: AsyncWrite + ?Sized,

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

Like write, except that it writes from a slice of buffers. Read more

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fn write_all(&'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 write_fmt(&'a mut self, fmt: Arguments<'_>) -> WriteFmtFuture<'a, Self> where
Self: Unpin,

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

Struct debian_packaging::io::DigestingWriter

Implementations

impl<W> DigestingWriter<W>

pub fn new(dest: W) -> Self

pub fn finish(self) -> (W, MultiContentDigest)

Trait Implementations

impl<W> AsyncWrite for DigestingWriter<W> where W: AsyncWrite + Unpin,

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<'pin, W> Unpin for DigestingWriter<W> where __DigestingWriter<'pin, W>: Unpin,

Auto Trait Implementations

impl<W> !RefUnwindSafe for DigestingWriter<W>

impl<W> Send for DigestingWriter<W> where W: Send,

impl<W> !Sync for DigestingWriter<W>

impl<W> !UnwindSafe for DigestingWriter<W>

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

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

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

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

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

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

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

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

fn boxed_writer<'a>(self) -> Pin<Box<dyn AsyncWrite + Send + 'a, Global>> where Self: 'a + Send,

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

pub fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

fn in_current_span(self) -> Instrumented<Self>

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

pub fn into(self) -> U

impl<T> Same<T> for T

type Output = T

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

type Error = Infallible

pub 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

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

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

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

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

impl<V, T> VZip<V> for T where V: MultiLane<T>,

pub fn vzip(self) -> V

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where S: Into<Dispatch>,

fn with_current_subscriber(self) -> WithDispatch<Self>

impl<T> WriteExt for T where T: AsyncWrite + ?Sized,

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

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

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

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

fn write_fmt(&'a mut self, fmt: Arguments<'_>) -> WriteFmtFuture<'a, Self> where Self: Unpin,

pub fn finish(self) -> (W, MultiContentDigest )

impl<W> AsyncWrite for DigestingWriter<W> where
W: AsyncWrite + Unpin,

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, W> Unpin for DigestingWriter<W> where
__DigestingWriter<'pin, W>: Unpin,

impl<W> Send for DigestingWriter<W> where
W: Send,

impl<T> Any for T where
T: 'static + ?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 into_sink<Item>(self) -> IntoSink<Self, Item> where
Item: AsRef<[u8 ]>,

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

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

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

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

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

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

fn boxed_writer<'a>(self) -> Pin<Box<dyn AsyncWrite + Send + 'a, Global>> where
Self: 'a + Send,

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>,

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

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,

impl<T> WriteExt for T where
T: AsyncWrite + ?Sized,

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

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

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

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

fn write_fmt(&'a mut self, fmt: Arguments<'_>) -> WriteFmtFuture<'a, Self> where
Self: Unpin,