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HttpProxyReader

nydus_storage::backend::http_proxy

Struct HttpProxyReader 

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pub struct HttpProxyReader { /* private fields */ }
Expand description

HttpProxyReader is a BlobReader to implement the HttpProxy backend driver.

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impl BlobReader for HttpProxyReader

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fn blob_size(&self) -> BackendResult<u64>

Get size of the blob file.
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fn try_read(&self, buf: &mut [u8], offset: u64) -> BackendResult<usize>

Try to read a range of data from the blob file into the provided buffer. Read more
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fn metrics(&self) -> &BackendMetrics

Get metrics object.
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fn read(&self, buf: &mut [u8], offset: u64) -> BackendResult<usize>

Read a range of data from the blob file into the provided buffer. Read more
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fn read_all(&self, buf: &mut [u8], offset: u64) -> BackendResult<usize>

Read as much as possible data into buffer.
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fn readv( &self, bufs: &[FileVolatileSlice<'_>], offset: u64, max_size: usize, ) -> BackendResult<usize>

Read a range of data from the blob file into the provided buffers. Read more
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fn retry_limit(&self) -> u8

Get maximum number of times to retry when encountering IO errors.

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

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

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

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fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more
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fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more
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type Output = T

Should always be Self
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impl<T, U> TryFrom<U> for T
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type Error = Infallible

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

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
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fn vzip(self) -> V

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where S: Into<Dispatch>,

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