Struct qiniu_download::RangeReader
source · [−]pub struct RangeReader(_);Expand description
对象范围下载器
Implementations
sourceimpl RangeReader
impl RangeReader
sourcepub fn builder(
bucket: impl Into<String>,
key: impl Into<String>,
credential: Credential,
io_urls: Vec<String>
) -> RangeReaderBuilder
pub fn builder(
bucket: impl Into<String>,
key: impl Into<String>,
credential: Credential,
io_urls: Vec<String>
) -> RangeReaderBuilder
创建范围下载构建器
sourcepub fn from_config(key: impl Into<String>, config: &Config) -> Self
pub fn from_config(key: impl Into<String>, config: &Config) -> Self
sourcepub fn update_urls(&self) -> bool
pub fn update_urls(&self) -> bool
主动更新域名列表
如果返回为 true 表示更新成功，否则返回 false
sourcepub fn download_to(&self, writer: &mut dyn WriteSeek) -> IoResult<u64>
pub fn download_to(&self, writer: &mut dyn WriteSeek) -> IoResult<u64>
下载当前对象到指定输出流中
Trait Implementations
sourceimpl Debug for RangeReader
impl Debug for RangeReader
Auto Trait Implementations
impl !RefUnwindSafe for RangeReader
impl Send for RangeReader
impl Sync for RangeReader
impl Unpin for RangeReader
impl !UnwindSafe for RangeReader
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<T> Instrument for T
impl<T> Instrument for T
sourcefn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
sourcefn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
sourceimpl<T> Pipe for T where
T: ?Sized,
impl<T> Pipe for T where
T: ?Sized,
sourcefn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R
fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R
Pipes by value. This is generally the method you want to use. Read more
sourcefn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R where
R: 'a,
fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R where
R: 'a,
Borrows self and passes that borrow into the pipe function. Read more
sourcefn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R where
R: 'a,
fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R where
R: 'a,
Mutably borrows self and passes that borrow into the pipe function. Read more
sourcefn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R where
Self: Borrow<B>,
B: 'a + ?Sized,
R: 'a,
fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R where
Self: Borrow<B>,
B: 'a + ?Sized,
R: 'a,
Borrows self, then passes self.borrow() into the pipe function. Read more
sourcefn pipe_borrow_mut<'a, B, R>(
&'a mut self,
func: impl FnOnce(&'a mut B) -> R
) -> R where
Self: BorrowMut<B>,
B: 'a + ?Sized,
R: 'a,
fn pipe_borrow_mut<'a, B, R>(
&'a mut self,
func: impl FnOnce(&'a mut B) -> R
) -> R where
Self: BorrowMut<B>,
B: 'a + ?Sized,
R: 'a,
Mutably borrows self, then passes self.borrow_mut() into the pipe
function. Read more
sourcefn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R where
Self: AsRef<U>,
U: 'a + ?Sized,
R: 'a,
fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R where
Self: AsRef<U>,
U: 'a + ?Sized,
R: 'a,
Borrows self, then passes self.as_ref() into the pipe function.
sourcefn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R where
Self: AsMut<U>,
U: 'a + ?Sized,
R: 'a,
fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R where
Self: AsMut<U>,
U: 'a + ?Sized,
R: 'a,
Mutably borrows self, then passes self.as_mut() into the pipe
function. Read more
sourceimpl<R> ReadBytesExt for R where
R: ReadAt,
impl<R> ReadBytesExt for R where
R: ReadAt,
sourcefn read_u8_at(&self, pos: u64) -> Result<u8, Error>
fn read_u8_at(&self, pos: u64) -> Result<u8, Error>
Reads an unsigned 8-bit integer at an offset.
sourcefn read_u16_at<T>(&self, pos: u64) -> Result<u16, Error> where
T: ByteOrder,
fn read_u16_at<T>(&self, pos: u64) -> Result<u16, Error> where
T: ByteOrder,
Reads an unsigned 16-bit integer at an offset.
sourcefn read_i16_at<T>(&self, pos: u64) -> Result<i16, Error> where
T: ByteOrder,
fn read_i16_at<T>(&self, pos: u64) -> Result<i16, Error> where
T: ByteOrder,
Reads a signed 16-bit integer at an offset.
sourcefn read_u32_at<T>(&self, pos: u64) -> Result<u32, Error> where
T: ByteOrder,
fn read_u32_at<T>(&self, pos: u64) -> Result<u32, Error> where
T: ByteOrder,
Reads an unsigned 32-bit integer at an offset.
sourcefn read_i32_at<T>(&self, pos: u64) -> Result<i32, Error> where
T: ByteOrder,
fn read_i32_at<T>(&self, pos: u64) -> Result<i32, Error> where
T: ByteOrder,
Reads a signed 32-bit integer at an offset.
sourcefn read_u64_at<T>(&self, pos: u64) -> Result<u64, Error> where
T: ByteOrder,
fn read_u64_at<T>(&self, pos: u64) -> Result<u64, Error> where
T: ByteOrder,
Reads an unsigned 64-bit integer at an offset.
sourcefn read_i64_at<T>(&self, pos: u64) -> Result<i64, Error> where
T: ByteOrder,
fn read_i64_at<T>(&self, pos: u64) -> Result<i64, Error> where
T: ByteOrder,
Reads a signed 64-bit integer at an offset.
sourcefn read_uint_at<T>(&self, pos: u64, nbytes: usize) -> Result<u64, Error> where
T: ByteOrder,
fn read_uint_at<T>(&self, pos: u64, nbytes: usize) -> Result<u64, Error> where
T: ByteOrder,
Reads an unsigned nbytes-bit integer at an offset.
sourcefn read_int_at<T>(&self, pos: u64, nbytes: usize) -> Result<i64, Error> where
T: ByteOrder,
fn read_int_at<T>(&self, pos: u64, nbytes: usize) -> Result<i64, Error> where
T: ByteOrder,
Reads a signed nbytes-bit integer at an offset.
sourceimpl<T> Tap for T
impl<T> Tap for T
sourcefn tap_mut(self, func: impl for<'_> FnOnce(&mut Self)) -> Self
fn tap_mut(self, func: impl for<'_> FnOnce(&mut Self)) -> Self
Mutable access to a value. Read more
sourcefn tap_borrow<B>(self, func: impl for<'_> FnOnce(&B)) -> Self where
Self: Borrow<B>,
B: ?Sized,
fn tap_borrow<B>(self, func: impl for<'_> FnOnce(&B)) -> Self where
Self: Borrow<B>,
B: ?Sized,
Immutable access to the Borrow<B> of a value. Read more
sourcefn tap_borrow_mut<B>(self, func: impl for<'_> FnOnce(&mut B)) -> Self where
Self: BorrowMut<B>,
B: ?Sized,
fn tap_borrow_mut<B>(self, func: impl for<'_> FnOnce(&mut B)) -> Self where
Self: BorrowMut<B>,
B: ?Sized,
Mutable access to the BorrowMut<B> of a value. Read more
sourcefn tap_ref<R>(self, func: impl for<'_> FnOnce(&R)) -> Self where
Self: AsRef<R>,
R: ?Sized,
fn tap_ref<R>(self, func: impl for<'_> FnOnce(&R)) -> Self where
Self: AsRef<R>,
R: ?Sized,
Immutable access to the AsRef<R> view of a value. Read more
sourcefn tap_ref_mut<R>(self, func: impl for<'_> FnOnce(&mut R)) -> Self where
Self: AsMut<R>,
R: ?Sized,
fn tap_ref_mut<R>(self, func: impl for<'_> FnOnce(&mut R)) -> Self where
Self: AsMut<R>,
R: ?Sized,
Mutable access to the AsMut<R> view of a value. Read more
sourcefn tap_deref<T>(self, func: impl for<'_> FnOnce(&T)) -> Self where
Self: Deref<Target = T>,
T: ?Sized,
fn tap_deref<T>(self, func: impl for<'_> FnOnce(&T)) -> Self where
Self: Deref<Target = T>,
T: ?Sized,
Immutable access to the Deref::Target of a value. Read more
sourcefn tap_deref_mut<T>(self, func: impl for<'_> FnOnce(&mut T)) -> Self where
Self: DerefMut<Target = T> + Deref,
T: ?Sized,
fn tap_deref_mut<T>(self, func: impl for<'_> FnOnce(&mut T)) -> Self where
Self: DerefMut<Target = T> + Deref,
T: ?Sized,
Mutable access to the Deref::Target of a value. Read more
sourcefn tap_dbg(self, func: impl for<'_> FnOnce(&Self)) -> Self
fn tap_dbg(self, func: impl for<'_> FnOnce(&Self)) -> Self
Calls .tap() only in debug builds, and is erased in release builds.
sourcefn tap_mut_dbg(self, func: impl for<'_> FnOnce(&mut Self)) -> Self
fn tap_mut_dbg(self, func: impl for<'_> FnOnce(&mut Self)) -> Self
Calls .tap_mut() only in debug builds, and is erased in release
builds. Read more
sourcefn tap_borrow_dbg<B>(self, func: impl for<'_> FnOnce(&B)) -> Self where
Self: Borrow<B>,
B: ?Sized,
fn tap_borrow_dbg<B>(self, func: impl for<'_> FnOnce(&B)) -> Self where
Self: Borrow<B>,
B: ?Sized,
Calls .tap_borrow() only in debug builds, and is erased in release
builds. Read more
sourcefn tap_borrow_mut_dbg<B>(self, func: impl for<'_> FnOnce(&mut B)) -> Self where
Self: BorrowMut<B>,
B: ?Sized,
fn tap_borrow_mut_dbg<B>(self, func: impl for<'_> FnOnce(&mut B)) -> Self where
Self: BorrowMut<B>,
B: ?Sized,
Calls .tap_borrow_mut() only in debug builds, and is erased in release
builds. Read more
sourcefn tap_ref_dbg<R>(self, func: impl for<'_> FnOnce(&R)) -> Self where
Self: AsRef<R>,
R: ?Sized,
fn tap_ref_dbg<R>(self, func: impl for<'_> FnOnce(&R)) -> Self where
Self: AsRef<R>,
R: ?Sized,
Calls .tap_ref() only in debug builds, and is erased in release
builds. Read more
sourcefn tap_ref_mut_dbg<R>(self, func: impl for<'_> FnOnce(&mut R)) -> Self where
Self: AsMut<R>,
R: ?Sized,
fn tap_ref_mut_dbg<R>(self, func: impl for<'_> FnOnce(&mut R)) -> Self where
Self: AsMut<R>,
R: ?Sized,
Calls .tap_ref_mut() only in debug builds, and is erased in release
builds. Read more
impl<V, T> VZip<V> for T where
V: MultiLane<T>,
impl<V, T> VZip<V> for T where
V: MultiLane<T>,
fn vzip(self) -> V
sourceimpl<T> WithSubscriber for T
impl<T> WithSubscriber for T
sourcefn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,
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
sourcefn with_current_subscriber(self) -> WithDispatch<Self>
fn with_current_subscriber(self) -> WithDispatch<Self>
Attaches the current default Subscriber to this type, returning a
WithDispatch wrapper. Read more