Skip to main content

BufferSlice

Struct BufferSlice 

Source
pub struct BufferSlice {
    pub buffer_header: Option<BufferHeader>,
    pub data: *mut u8,
    pub cap: u32,
    pub start: u32,
    pub offset_in_shm: u32,
    pub read_index: usize,
    pub write_index: usize,
    pub is_from_shm: bool,
    pub next_slice: Option<NonNull<BufferSlice>>,
}

Fields§

§buffer_header: Option<BufferHeader>

BufferHeader layout: cap 4 byte | size 4 byte | start 4 byte | next 4 byte | flag 2 byte | unused 2 byte

§data: *mut u8§cap: u32§start: u32

use for prepend

§offset_in_shm: u32§read_index: usize§write_index: usize§is_from_shm: bool§next_slice: Option<NonNull<BufferSlice>>

Implementations§

Source§

impl BufferSlice

Source

pub fn new( header: Option<BufferHeader>, data: &mut [u8], offset_in_shm: u32, is_from_shm: bool, ) -> Self

Source

pub fn update(&self)

Source

pub fn reset(&mut self)

Source

pub const fn size(&self) -> usize

Source

pub const fn remain(&self) -> usize

Source

pub const fn capacity(&self) -> usize

Source

pub fn reserve(&mut self, size: usize) -> Result<&mut [u8], Error>

Source

pub fn append(&mut self, data: &[u8]) -> usize

Source

pub fn read(&mut self, size: usize) -> &[u8]

Source

pub fn peek(&mut self, size: usize) -> &[u8]

Source

pub fn skip(&mut self, size: usize) -> usize

Source

pub const fn next(&self) -> Option<&BufferSlice>

Source

pub const fn next_mut(&self) -> Option<&mut BufferSlice>

Trait Implementations§

Source§

impl Clone for BufferSlice

Source§

fn clone(&self) -> BufferSlice

Returns a duplicate of the value. Read more
1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
Source§

impl Debug for BufferSlice

Source§

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

Formats the value using the given formatter. Read more
Source§

impl PartialEq for BufferSlice

Source§

fn eq(&self, other: &BufferSlice) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
Source§

impl Eq for BufferSlice

Source§

impl Send for BufferSlice

Source§

impl StructuralPartialEq for BufferSlice

Source§

impl Sync for BufferSlice

Auto Trait Implementations§

Blanket Implementations§

Source§

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

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

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

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

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

Source§

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

Mutably borrows from an owned value. Read more
Source§

impl<T> CloneToUninit for T
where T: Clone,

Source§

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

impl<T> Instrument for T

Source§

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

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

fn in_current_span(self) -> Instrumented<Self>

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

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

Source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Source§

impl<T> ToOwned for T
where T: Clone,

Source§

type Owned = T

The resulting type after obtaining ownership.
Source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
Source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
Source§

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

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
Source§

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

Source§

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

The type returned in the event of a conversion error.
Source§

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

Performs the conversion.
Source§

impl<T> WithSubscriber for T

Source§

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
Source§

fn with_current_subscriber(self) -> WithDispatch<Self>

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