Struct read_progress::ReaderWithSize
source · pub struct ReaderWithSize<R: Read> { /* private fields */ }
Expand description
A wrapper for a Read
that monitors how many bytes have been read, and how many are to go
Implementations§
source§impl<R: Read> ReaderWithSize<R>
impl<R: Read> ReaderWithSize<R>
Trait Implementations§
source§impl<R: Read> Read for ReaderWithSize<R>
impl<R: Read> Read for ReaderWithSize<R>
source§fn read(&mut self, buf: &mut [u8]) -> Result<usize>
fn read(&mut self, buf: &mut [u8]) -> Result<usize>
Pull some bytes from this source into the specified buffer, returning
how many bytes were read. Read more
1.36.0 · source§fn read_vectored(&mut self, bufs: &mut [IoSliceMut<'_>]) -> Result<usize, Error>
fn read_vectored(&mut self, bufs: &mut [IoSliceMut<'_>]) -> Result<usize, Error>
Like
read
, except that it reads into a slice of buffers. Read moresource§fn is_read_vectored(&self) -> bool
fn is_read_vectored(&self) -> bool
🔬This is a nightly-only experimental API. (
can_vector
)1.0.0 · source§fn read_to_end(&mut self, buf: &mut Vec<u8, Global>) -> Result<usize, Error>
fn read_to_end(&mut self, buf: &mut Vec<u8, Global>) -> Result<usize, Error>
Read all bytes until EOF in this source, placing them into
buf
. Read more1.0.0 · source§fn read_to_string(&mut self, buf: &mut String) -> Result<usize, Error>
fn read_to_string(&mut self, buf: &mut String) -> Result<usize, Error>
Read all bytes until EOF in this source, appending them to
buf
. Read more1.6.0 · source§fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), Error>
fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), Error>
Read the exact number of bytes required to fill
buf
. Read moresource§fn read_buf(&mut self, buf: BorrowedCursor<'_>) -> Result<(), Error>
fn read_buf(&mut self, buf: BorrowedCursor<'_>) -> Result<(), Error>
🔬This is a nightly-only experimental API. (
read_buf
)Pull some bytes from this source into the specified buffer. Read more
source§fn read_buf_exact(&mut self, cursor: BorrowedCursor<'_>) -> Result<(), Error>
fn read_buf_exact(&mut self, cursor: BorrowedCursor<'_>) -> Result<(), Error>
🔬This is a nightly-only experimental API. (
read_buf
)Read the exact number of bytes required to fill
cursor
. Read more1.0.0 · source§fn by_ref(&mut self) -> &mut Selfwhere
Self: Sized,
fn by_ref(&mut self) -> &mut Selfwhere Self: Sized,
Creates a “by reference” adaptor for this instance of
Read
. Read moresource§impl<R: Read> ReadWithSize for ReaderWithSize<R>
impl<R: Read> ReadWithSize for ReaderWithSize<R>
source§fn total_read(&self) -> usize
fn total_read(&self) -> usize
The total number of bytes that have been read from this reader
source§fn assummed_total_size(&self) -> usize
fn assummed_total_size(&self) -> usize
The assumed total number of bytes in this reader, created when this object was created.
source§fn fraction(&self) -> f64
fn fraction(&self) -> f64
How far along this reader have we read? What fraction have we read? May be >1.0 if the initial provided assumed total size was wrong.
source§fn read_start_time(&self) -> Option<Instant>
fn read_start_time(&self) -> Option<Instant>
When did this reader start reading
None
if it hasn’t started
source§fn eta(&self) -> Option<Duration>
fn eta(&self) -> Option<Duration>
Estimated Time to Arrival, at this rate, what’s the predicted end time
None
if it hasn’t started yetsource§fn etc(&self) -> Option<Instant>
fn etc(&self) -> Option<Instant>
Estimated Time to Completion, at this rate, how long before it is complete
None
if it hasn’t started yetsource§fn est_total_time(&self) -> Option<Duration>
fn est_total_time(&self) -> Option<Duration>
Total estimated duration this reader will run for.
None
if it hasn’t started yetsource§fn bytes_per_sec(&self) -> Option<f64>
fn bytes_per_sec(&self) -> Option<f64>
How many bytes per second are being read.
None
if it hasn’t startedAuto Trait Implementations§
impl<R> RefUnwindSafe for ReaderWithSize<R>where R: RefUnwindSafe,
impl<R> Send for ReaderWithSize<R>where R: Send,
impl<R> Sync for ReaderWithSize<R>where R: Sync,
impl<R> Unpin for ReaderWithSize<R>where R: Unpin,
impl<R> UnwindSafe for ReaderWithSize<R>where R: UnwindSafe,
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more