pub fn validate<'a, R: AsyncRead + Unpin + 'a>(
        &'a mut self,
        mut source: R,
        source_buf: &'a mut [u8],
        copy_bufs: &'a mut Vec<Vec<u8>>,
    ) -> impl Stream<Item = ValidationEvent> + 'a {
        Gen::new(|co| {
            async move {
                let &mut Self { ref mut subscribed, ref mut drop_list } = self;

                // Ensure that the buffer for each copy is the same size as the source buffer.
                for buffer in copy_bufs.iter_mut() {
                    if buffer.capacity() < source_buf.len() {
                        buffer.reserve_exact(source_buf.len() - buffer.capacity());
                    }
                }

                // Ensure that there are as many copy buffers as copies.
                if copy_bufs.len() < subscribed.len() {
                    for _ in 0..subscribed.len() - copy_bufs.len() {
                        copy_bufs.push(vec![0; source_buf.len()]);
                    }
                }

                let mut read;
                loop {
                    for indice in drop_list.drain(..) {
                        subscribed.remove(indice);
                    }

                    if subscribed.is_empty() {
                        co.yield_(ValidationEvent::NoWriters).await;
                        break;
                    }

                    read = match source.read(source_buf).await {
                        Ok(read) => read,
                        Err(why) => {
                            co.yield_(ValidationEvent::SourceFailure(why)).await;
                            break;
                        }
                    };

                    if read == 0 {
                        break;
                    }

                    let slice = &source_buf[..read];

                    let mut stream = FuturesUnordered::from_iter(
                        subscribed.iter_mut().zip(copy_bufs.iter_mut()).map(
                            |((indice, copy), buf)| {
                                async move {
                                    let this_slice = &mut buf[..read];

                                    if let Err(why) = copy.read_exact(this_slice).await {
                                        return Err((indice, ValidationError::Read(why)));
                                    }

                                    if this_slice == slice {
                                        Ok(())
                                    } else {
                                        Err((indice, ValidationError::Mismatch))
                                    }
                                }
                            },
                        ),
                    );

                    while let Some(result) = stream.next().await {
                        if let Err((indice, why)) = result {
                            co.yield_(ValidationEvent::Failure(indice, why)).await;
                            drop_list.push(indice);
                        }
                    }

                    co.yield_(ValidationEvent::Progress(read)).await;
                }
            }
        })
    }
/// Validates that the contents of the source match that of the writers.
Validates that the contents of the source match that of the writers.
Validates that the contents of the source match that of the writers .
pub fn validate<'a, R: AsyncRead + Unpin + 'a>(
        &'a mut self,
        mut source: R,
        source_buf: &'a mut [u8],
        copy_bufs: &'a mut Vec<Vec<u8>>,
    ) -> impl Stream<Item = ValidationEvent> + 'a {
        Gen::new(|co| {
            async move {
                let &mut Self { ref mut subscribed, ref mut drop_list } = self;
                // Ensure that the buffer for each copy is the same size as the source buffer.
                for buffer in copy_bufs.iter_mut() {
                    if buffer.capacity() < source_buf.len() {
                        buffer.reserve_exact(source_buf.len() - buffer.capacity());
                    }
                }
                // Ensure that there are as many copy buffers as copies.
                if copy_bufs.len() < subscribed.len() {
                    for _ in 0..subscribed.len() - copy_bufs.len() {
                        copy_bufs.push(vec![0; source_buf.len()]);
                    }
                }
                let mut read;
                loop {
                    for indice in drop_list.drain(..) {
                        subscribed.remove(indice);
                    }
                    if subscribed.is_empty() {
                        co.yield_(ValidationEvent::NoWriters).await;
                        break;
                    }
                    read = match source.read(source_buf).await {
                        Ok(read) => read,
                        Err(why) => {
                            co.yield_(ValidationEvent::SourceFailure(why)).await;
                            break;
                        }
                    };
                    if read == 0 {
                        break;
                    }
                    let slice = &source_buf[..read];
                    let mut stream = FuturesUnordered::from_iter(
                        subscribed.iter_mut().zip(copy_bufs.iter_mut()).map(
                            |((indice, copy), buf)| {
                                async move {
                                    let this_slice = &mut buf[..read];
                                    if let Err(why) = copy.read_exact(this_slice).await {
                                        return Err((indice, ValidationError::Read(why)));
                                    }
                                    if this_slice == slice {
                                        Ok(())
                                    } else {
                                        Err((indice, ValidationError::Mismatch))
                                    }
                                }
                            },
                        ),
                    );
                    while let Some(result) = stream.next().await {
                        if let Err((indice, why)) = result {
                            co.yield_(ValidationEvent::Failure(indice, why)).await;
                            drop_list.push(indice);
                        }
                    }
                    co.yield_(ValidationEvent::Progress(read)).await;
                }
            }
        })
    }
pub fn validate < ' a , R : AsyncRead + Unpin + ' a > ( & ' a mut self , mut source : R , source_buf : & ' a mut [ u8 ] , copy_bufs : & ' a mut Vec < Vec < u8 > > , ) -> impl Stream < Item = ValidationEvent > + ' a { Gen :: new ( | co | { async move { let & mut Self { ref mut subscribed , ref mut drop_list } = self ; // Ensure that the buffer for each copy is the same size as the source buffer. for buffer in copy_bufs . iter_mut ( ) { if buffer . capacity ( ) < source_buf . len ( ) { buffer . reserve_exact ( source_buf . len ( ) - buffer . capacity ( ) ) ; } } // Ensure that there are as many copy buffers as copies. if copy_bufs . len ( ) < subscribed . len ( ) { for _ in 0 .. subscribed . len ( ) - copy_bufs . len ( ) { copy_bufs . push ( vec ! [ 0 source_buf len ( ) ] ) ; } } let mut read ; loop { for indice in drop_list . drain ( .. ) { subscribed . remove ( indice ) ; } if subscribed . is_empty ( ) { co . yield_ ( ValidationEvent :: NoWriters ) . await ; break ; } read = match source . read ( source_buf ) . await { Ok ( read ) => read , Err ( why ) => { co . yield_ ( ValidationEvent :: SourceFailure ( why ) ) . await ; break ; } } ; if read == 0 { break ; } let slice = & source_buf [ .. read ] ; let mut stream = FuturesUnordered :: from_iter ( subscribed . iter_mut ( ) . zip ( copy_bufs . iter_mut ( ) ) . map ( | ( ( indice , copy ) , buf ) | { async move { let this_slice = & mut buf [ .. read ] ; if let Err ( why ) = copy . read_exact ( this_slice ) . await { return Err ( ( indice , ValidationError :: Read ( why ) ) ) ; } if this_slice == slice { Ok ( ( ) ) } else { Err ( ( indice , ValidationError :: Mismatch ) ) } } } , ) , ) ; while let Some ( result ) = stream . next ( ) . await { if let Err ( ( indice , why ) ) = result { co . yield_ ( ValidationEvent :: Failure ( indice , why ) ) . await ; drop_list . push ( indice ) ; } } co . yield_ ( ValidationEvent :: Progress ( read ) ) . await ; } } } ) }
Validates that the contents of the source match that of the writers.
Validates that the contents of the source match that of the writers .
&'a mut self
source
R
source_buf
&'a mut [u8]
copy_bufs
&'a mut Vec<Vec<u8>>
&'a mut self
source
R
source_buf
&'a mut [u8]
copy_bufs
&'a mut Vec<Vec<u8>>