Struct asyncio_utils::LimitReader
source · pub struct LimitReader<T>where
T: AsyncRead + Unpin,{ /* private fields */ }Expand description
Pure implementation for LimitReader to restrict number of bytes can be read Useful when you want to read stream but want to end early no matter what
E.g. you can’t accept more than 20MiB as HTTP Post body, you can limit it here
Implementations§
source§impl<T> LimitReader<T>where
T: AsyncRead + Unpin,
impl<T> LimitReader<T>where T: AsyncRead + Unpin,
sourcepub fn new(src: T, limit: Option<usize>) -> LimitReader<T>
pub fn new(src: T, limit: Option<usize>) -> LimitReader<T>
Create new LimitReader from another AsyncRead (typically File or Stream)
Argument src is the underlying reader limit is the byte limit. Node that the limit can be Some(limit) -> The limit is set None -> No limit (std::usize::MAX)
Trait Implementations§
Auto Trait Implementations§
impl<T> RefUnwindSafe for LimitReader<T>where T: RefUnwindSafe,
impl<T> Send for LimitReader<T>where T: Send,
impl<T> Sync for LimitReader<T>where T: Sync,
impl<T> Unpin for LimitReader<T>
impl<T> UnwindSafe for LimitReader<T>where T: UnwindSafe,
Blanket Implementations§
source§impl<R> AsyncReadExt for Rwhere
R: AsyncRead + ?Sized,
impl<R> AsyncReadExt for Rwhere R: AsyncRead + ?Sized,
source§fn read<'a>(&'a mut self, buf: &'a mut [u8]) -> Read<'a, Self>where
Self: Unpin,
fn read<'a>(&'a mut self, buf: &'a mut [u8]) -> Read<'a, Self>where Self: Unpin,
Pulls some bytes from this source into the specified buffer,
returning how many bytes were read. Read more
source§fn read_buf<B, 'a>(&'a mut self, buf: &'a mut B) -> ReadBuf<'a, Self, B>where
Self: Sized + Unpin,
B: BufMut,
fn read_buf<B, 'a>(&'a mut self, buf: &'a mut B) -> ReadBuf<'a, Self, B>where Self: Sized + Unpin, B: BufMut,
Pulls some bytes from this source into the specified buffer,
advancing the buffer’s internal cursor. Read more
source§fn read_exact<'a>(&'a mut self, buf: &'a mut [u8]) -> ReadExact<'a, Self>where
Self: Unpin,
fn read_exact<'a>(&'a mut self, buf: &'a mut [u8]) -> ReadExact<'a, Self>where Self: Unpin,
Reads the exact number of bytes required to fill
buf. Read moresource§fn read_u8<'a>(&'a mut self) -> ReadU8<&'a mut Self>where
Self: Unpin,
fn read_u8<'a>(&'a mut self) -> ReadU8<&'a mut Self>where Self: Unpin,
Reads an unsigned 8 bit integer from the underlying reader. Read more
source§fn read_i8<'a>(&'a mut self) -> ReadI8<&'a mut Self>where
Self: Unpin,
fn read_i8<'a>(&'a mut self) -> ReadI8<&'a mut Self>where Self: Unpin,
Reads a signed 8 bit integer from the underlying reader. Read more
source§fn read_u16<'a>(&'a mut self) -> ReadU16<&'a mut Self>where
Self: Unpin,
fn read_u16<'a>(&'a mut self) -> ReadU16<&'a mut Self>where Self: Unpin,
Reads an unsigned 16-bit integer in big-endian order from the
underlying reader. Read more
source§fn read_i16<'a>(&'a mut self) -> ReadI16<&'a mut Self>where
Self: Unpin,
fn read_i16<'a>(&'a mut self) -> ReadI16<&'a mut Self>where Self: Unpin,
Reads a signed 16-bit integer in big-endian order from the
underlying reader. Read more
source§fn read_u32<'a>(&'a mut self) -> ReadU32<&'a mut Self>where
Self: Unpin,
fn read_u32<'a>(&'a mut self) -> ReadU32<&'a mut Self>where Self: Unpin,
Reads an unsigned 32-bit integer in big-endian order from the
underlying reader. Read more
source§fn read_i32<'a>(&'a mut self) -> ReadI32<&'a mut Self>where
Self: Unpin,
fn read_i32<'a>(&'a mut self) -> ReadI32<&'a mut Self>where Self: Unpin,
Reads a signed 32-bit integer in big-endian order from the
underlying reader. Read more
source§fn read_u64<'a>(&'a mut self) -> ReadU64<&'a mut Self>where
Self: Unpin,
fn read_u64<'a>(&'a mut self) -> ReadU64<&'a mut Self>where Self: Unpin,
Reads an unsigned 64-bit integer in big-endian order from the
underlying reader. Read more
source§fn read_i64<'a>(&'a mut self) -> ReadI64<&'a mut Self>where
Self: Unpin,
fn read_i64<'a>(&'a mut self) -> ReadI64<&'a mut Self>where Self: Unpin,
Reads an signed 64-bit integer in big-endian order from the
underlying reader. Read more
source§fn read_u128<'a>(&'a mut self) -> ReadU128<&'a mut Self>where
Self: Unpin,
fn read_u128<'a>(&'a mut self) -> ReadU128<&'a mut Self>where Self: Unpin,
Reads an unsigned 128-bit integer in big-endian order from the
underlying reader. Read more
source§fn read_i128<'a>(&'a mut self) -> ReadI128<&'a mut Self>where
Self: Unpin,
fn read_i128<'a>(&'a mut self) -> ReadI128<&'a mut Self>where Self: Unpin,
Reads an signed 128-bit integer in big-endian order from the
underlying reader. Read more
source§fn read_f32<'a>(&'a mut self) -> ReadF32<&'a mut Self>where
Self: Unpin,
fn read_f32<'a>(&'a mut self) -> ReadF32<&'a mut Self>where Self: Unpin,
Reads an 32-bit floating point type in big-endian order from the
underlying reader. Read more
source§fn read_f64<'a>(&'a mut self) -> ReadF64<&'a mut Self>where
Self: Unpin,
fn read_f64<'a>(&'a mut self) -> ReadF64<&'a mut Self>where Self: Unpin,
Reads an 64-bit floating point type in big-endian order from the
underlying reader. Read more
source§fn read_u16_le<'a>(&'a mut self) -> ReadU16Le<&'a mut Self>where
Self: Unpin,
fn read_u16_le<'a>(&'a mut self) -> ReadU16Le<&'a mut Self>where Self: Unpin,
Reads an unsigned 16-bit integer in little-endian order from the
underlying reader. Read more
source§fn read_i16_le<'a>(&'a mut self) -> ReadI16Le<&'a mut Self>where
Self: Unpin,
fn read_i16_le<'a>(&'a mut self) -> ReadI16Le<&'a mut Self>where Self: Unpin,
Reads a signed 16-bit integer in little-endian order from the
underlying reader. Read more
source§fn read_u32_le<'a>(&'a mut self) -> ReadU32Le<&'a mut Self>where
Self: Unpin,
fn read_u32_le<'a>(&'a mut self) -> ReadU32Le<&'a mut Self>where Self: Unpin,
Reads an unsigned 32-bit integer in little-endian order from the
underlying reader. Read more
source§fn read_i32_le<'a>(&'a mut self) -> ReadI32Le<&'a mut Self>where
Self: Unpin,
fn read_i32_le<'a>(&'a mut self) -> ReadI32Le<&'a mut Self>where Self: Unpin,
Reads a signed 32-bit integer in little-endian order from the
underlying reader. Read more
source§fn read_u64_le<'a>(&'a mut self) -> ReadU64Le<&'a mut Self>where
Self: Unpin,
fn read_u64_le<'a>(&'a mut self) -> ReadU64Le<&'a mut Self>where Self: Unpin,
Reads an unsigned 64-bit integer in little-endian order from the
underlying reader. Read more
source§fn read_i64_le<'a>(&'a mut self) -> ReadI64Le<&'a mut Self>where
Self: Unpin,
fn read_i64_le<'a>(&'a mut self) -> ReadI64Le<&'a mut Self>where Self: Unpin,
Reads an signed 64-bit integer in little-endian order from the
underlying reader. Read more
source§fn read_u128_le<'a>(&'a mut self) -> ReadU128Le<&'a mut Self>where
Self: Unpin,
fn read_u128_le<'a>(&'a mut self) -> ReadU128Le<&'a mut Self>where Self: Unpin,
Reads an unsigned 128-bit integer in little-endian order from the
underlying reader. Read more
source§fn read_i128_le<'a>(&'a mut self) -> ReadI128Le<&'a mut Self>where
Self: Unpin,
fn read_i128_le<'a>(&'a mut self) -> ReadI128Le<&'a mut Self>where Self: Unpin,
Reads an signed 128-bit integer in little-endian order from the
underlying reader. Read more
source§fn read_f32_le<'a>(&'a mut self) -> ReadF32Le<&'a mut Self>where
Self: Unpin,
fn read_f32_le<'a>(&'a mut self) -> ReadF32Le<&'a mut Self>where Self: Unpin,
Reads an 32-bit floating point type in little-endian order from the
underlying reader. Read more
source§fn read_f64_le<'a>(&'a mut self) -> ReadF64Le<&'a mut Self>where
Self: Unpin,
fn read_f64_le<'a>(&'a mut self) -> ReadF64Le<&'a mut Self>where Self: Unpin,
Reads an 64-bit floating point type in little-endian order from the
underlying reader. Read more
source§fn read_to_end<'a>(
&'a mut self,
buf: &'a mut Vec<u8, Global>
) -> ReadToEnd<'a, Self>where
Self: Unpin,
fn read_to_end<'a>( &'a mut self, buf: &'a mut Vec<u8, Global> ) -> ReadToEnd<'a, Self>where Self: Unpin,
Reads all bytes until EOF in this source, placing them into
buf. Read moresource§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