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ChunkedPackManifestV1

Struct ChunkedPackManifestV1 

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pub struct ChunkedPackManifestV1 {
    pub version: u8,
    pub chunk_size: u32,
    pub total_size: u64,
    pub chunk_count: u32,
    pub chunk_hashes: Vec<PackHash>,
}
Expand description

On-the-wire manifest for a chunked pack.

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§version: u8

Wire-format version. Currently always 1.

§chunk_size: u32

Bytes per non-final chunk. The final chunk is in (0, chunk_size].

§total_size: u64

Sum of all chunk lengths, equal to the original pack size.

§chunk_count: u32

== chunk_hashes.len(). Carried explicitly for cheap size checks before we allocate the Vec on decode.

§chunk_hashes: Vec<PackHash>

BLAKE3-32 of each chunk’s bytes, in stream order.

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impl ChunkedPackManifestV1

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pub fn from_chunks(chunk_size: u32, chunks: &[Vec<u8>]) -> Self

Build a fresh manifest from the chunked pack bytes.

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pub fn to_bytes(&self) -> Vec<u8>

Encode to bytes via bincode with default config.

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pub fn from_bytes(bytes: &[u8]) -> Result<Self, ManifestError>

Decode from bytes and run Self::validate.

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pub fn validate(&self) -> Result<(), ManifestError>

Run all internal-consistency checks. Does NOT verify that the chunk bytes themselves match chunk_hashes — that is the fetcher’s job once it actually has the bytes.

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pub fn chunk_len(&self, i: u32) -> u64

Length of the i-th chunk in bytes. All non-final chunks are chunk_size; the final chunk is total_size - chunk_size * (chunk_count - 1). Caller must ensure the manifest has been validated.

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impl Clone for ChunkedPackManifestV1

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fn clone(&self) -> ChunkedPackManifestV1

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for ChunkedPackManifestV1

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

Formats the value using the given formatter. Read more
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impl<'de> Deserialize<'de> for ChunkedPackManifestV1

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl PartialEq for ChunkedPackManifestV1

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fn eq(&self, other: &ChunkedPackManifestV1) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 (const: unstable) · 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.
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impl Serialize for ChunkedPackManifestV1

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl Eq for ChunkedPackManifestV1

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impl StructuralPartialEq for ChunkedPackManifestV1

Auto Trait Implementations§

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> CloneToUninit for T
where T: Clone,

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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
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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> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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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<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,