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ChunkRejection

offline_protocol::file_transfer

Enum ChunkRejection 

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pub enum ChunkRejection {
    Invalid,
    MetadataMismatch,
    SenderMismatch,
    TooManyTransfers,
    SenderQuotaExceeded,
    BufferBudgetExhausted,
    PreviouslyFailed,
}
Expand description

Why FileTransferManager::process_chunk refused a chunk.

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Invalid

Wire fields are malformed or out of bounds: zero or oversized size claims, empty or oversized data, or bytes exceeding the claimed file size.

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MetadataMismatch

Chunk metadata does not match the existing assembly for this file id.

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SenderMismatch

Chunk sender does not match the sender that started the assembly.

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TooManyTransfers

The global concurrent-assembly cap is reached.

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SenderQuotaExceeded

The sender’s concurrent-assembly quota is reached.

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BufferBudgetExhausted

Accepting the chunk would exceed the global buffered-bytes budget. The affected assembly is dropped along with the chunk: a dropped chunk is never retransmitted, so the transfer could no longer complete and its buffer would only prolong the exhaustion.

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PreviouslyFailed

The chunk belongs to a transfer that already failed (resource drop, integrity failure, or stale sweep). Its remaining in-flight chunks are dropped without re-creating assembly state or re-notifying the application — FileReceiveFailed fires at most once per transfer. Retries must use a fresh file_id; the failed id is admitted again only after its tombstone expires (no chunks for the stale timeout).

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impl ChunkRejection

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pub fn is_resource_exhaustion(self) -> bool

true for rejections caused by receiver resource limits rather than malformed input — the cases where a well-formed transfer was lost and the application should be told.

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pub fn as_str(self) -> &'static str

Stable machine-readable reason string, carried by the FileReceiveFailed event.

Trait Implementations§

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impl Clone for ChunkRejection

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fn clone(&self) -> Self

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 Copy for ChunkRejection

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impl Debug for ChunkRejection

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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 Eq for ChunkRejection

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impl PartialEq for ChunkRejection

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl StructuralPartialEq for ChunkRejection

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