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TransferSession

Struct TransferSession 

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pub struct TransferSession<'a> { /* private fields */ }
Expand description

Exclusive mutable resumable state for one object.

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impl TransferSession<'_>

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pub fn descriptor(&self) -> &ObjectDescriptor

Exact admitted descriptor.

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pub fn missing(&self) -> Vec<usize>

Snapshot of missing block indices; bounded by max_blocks.

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pub fn accept(&mut self, index: usize, bytes: &[u8]) -> TransferResult<()>

Verifies a block before exclusively staging, syncing and atomically publishing. An identical persisted block is an idempotent no-op.

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pub fn finish(self) -> TransferResult<VerifiedObject>

Publishes only after every block and full-object digest match. Failure never marks incomplete content as complete. A post-rename directory-sync error may leave complete bytes visible; retry/reopen revalidates before returning them.

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pub fn finish_with_control( self, control: &TransferControl, ) -> TransferResult<VerifiedObject>

Cooperatively checks cancellation between bounded assembly/hash operations. Filesystem calls still require deployment-owned I/O bounds.

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impl<'a> !UnwindSafe for TransferSession<'a>

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impl<'a> Freeze for TransferSession<'a>

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impl<'a> RefUnwindSafe for TransferSession<'a>

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impl<'a> Send for TransferSession<'a>

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impl<'a> Sync for TransferSession<'a>

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impl<'a> Unpin for TransferSession<'a>

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impl<'a> UnsafeUnpin for TransferSession<'a>

Blanket Implementations§

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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

Mutably borrows from an owned value. Read more
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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, 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> Same for T

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type Output = T

Should always be Self
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

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.