subspace_data_retrieval::object_fetcher

Enum Error

Source 
pub enum Error {

Show 14 variants    NotSourcePiece {
        mapping: GlobalObject,
    },
    PieceOffsetTooLarge {
        mapping: GlobalObject,
    },
    ObjectTooLarge {
        data_length: usize,
        max_object_len: usize,
        mapping: GlobalObject,
    },
    LengthPrefixTooLarge {
        length_prefix_len: usize,
        max_object_len: usize,
        mapping: GlobalObject,
    },
    InvalidDataHash {
        data_hash: Blake3Hash,
        data_length: usize,
        mapping: GlobalObject,
    },
    PieceGetterError {
        error: String,
        mapping: GlobalObject,
    },
    PieceNotFound {
        piece_index: PieceIndex,
    },
    PieceOffsetInSegmentHeader {
        mapping: GlobalObject,
    },
    SegmentDecoding {
        source: Error,
        segment_index: SegmentIndex,
        mapping: GlobalObject,
    },
    UnknownSegmentVariant {
        segment_variant: u8,
        segment_index: SegmentIndex,
        mapping: GlobalObject,
    },
    UnexpectedSegmentItem {
        segment_progress: usize,
        segment_index: SegmentIndex,
        segment_item: Box<SegmentItem>,
        mapping: GlobalObject,
    },
    UnexpectedSegmentItemVariant {
        segment_progress: usize,
        segment_index: SegmentIndex,
        segment_item_variant: u8,
        segment_item_lengths: Option<(usize, usize)>,
        mapping: GlobalObject,
    },
    InvalidObject {
        next_source_piece_index: PieceIndex,
        segment_data_length: Option<usize>,
        mapping: GlobalObject,
    },
    InvalidMapping {
        next_source_piece_index: PieceIndex,
        remaining_piece_count: usize,
        object_data_length: usize,
        mapping: GlobalObject,
    },

}
Expand description

Object fetching errors.

Variants§

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NotSourcePiece

Supplied piece index is not a source piece

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§mapping: GlobalObject
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PieceOffsetTooLarge

Supplied piece offset is too large

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§mapping: GlobalObject
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ObjectTooLarge

Object is too large error

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§data_length: usize
§max_object_len: usize
§mapping: GlobalObject
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LengthPrefixTooLarge

Length prefix is too large error

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§length_prefix_len: usize
§max_object_len: usize
§mapping: GlobalObject
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InvalidDataHash

Hash doesn’t match data

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§data_hash: Blake3Hash
§data_length: usize
§mapping: GlobalObject
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PieceGetterError

Piece getter error

Fields

§error: String

The original anyhow::Error, debug-printed as a string. This allows us to check errors for equality in tests.

§mapping: GlobalObject
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PieceNotFound

Piece getter couldn’t find the piece

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§piece_index: PieceIndex
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PieceOffsetInSegmentHeader

Supplied piece offset is inside the minimum segment header size

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§mapping: GlobalObject
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SegmentDecoding

Segment decoding error

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§source: Error
§segment_index: SegmentIndex
§mapping: GlobalObject
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UnknownSegmentVariant

Unknown segment variant error

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§segment_variant: u8
§segment_index: SegmentIndex
§mapping: GlobalObject
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UnexpectedSegmentItem

Unexpected segment item error

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§segment_progress: usize
§segment_index: SegmentIndex
§segment_item: Box<SegmentItem>
§mapping: GlobalObject
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UnexpectedSegmentItemVariant

Unexpected segment item variant error

Fields

§segment_progress: usize
§segment_index: SegmentIndex
§segment_item_variant: u8
§segment_item_lengths: Option<(usize, usize)>
§mapping: GlobalObject
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InvalidObject

Object length couldn’t be decoded after downloading two pieces

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§next_source_piece_index: PieceIndex

The next source piece index after the first two pieces

§segment_data_length: Option<usize>

The available object data in the current segment

§mapping: GlobalObject
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InvalidMapping

Object extends beyond block continuation, or the mapping is otherwise invalid

Fields

§next_source_piece_index: PieceIndex

The next source piece index, before we attempted concurrent downloads

§remaining_piece_count: usize

The number of pieces we concurrently downloaded

§object_data_length: usize

The object data length, after the concurrent downloads

§mapping: GlobalObject

Trait Implementations§

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impl Debug for Error

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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 Display for Error

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

Formats the value using the given formatter. Read more
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impl Error for Error

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fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any. Read more
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fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()
Read more
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fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting
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fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)
Provides type-based access to context intended for error reports. Read more
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impl PartialEq for Error

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

Tests for self and other values to be equal, and is used by ==.
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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 Eq for Error

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impl StructuralPartialEq for Error

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impl Freeze for Error

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impl RefUnwindSafe for Error

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impl Send for Error

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impl Sync for Error

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impl Unpin for Error

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impl UnwindSafe for Error

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where T: ?Sized,

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Immutably borrows from an owned value. Read more
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Mutably borrows from an owned value. Read more
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fn checked_from<T>(t: T) -> Option<Self>
where Self: TryFrom<T>,

Convert from a value of T into an equivalent instance of Option<Self>. Read more
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Consume self to return Some equivalent value of Option<T>. Read more
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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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fn from(t: T) -> T

Returns the argument unchanged.

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Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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Calls U::from(self).

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

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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Cast reference.
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Cast reference.
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Cast mutable reference.
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Cast mutable reference.
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Get a reference to the inner from the outer.

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const ALIGN: usize

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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

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Drops the object pointed to by the given pointer. Read more
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