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//! Error types for the Hayate engine.
use thiserror::Error;
/// Top-level error type for the engine.
#[derive(Debug, Error)]
#[non_exhaustive]
pub enum EngineError {
/// An underlying I/O error occurred (e.g. file system or socket issues).
#[error("I/O error: {0}")]
Io(#[from] std::io::Error),
/// The client and server protocol versions do not match.
#[error("protocol version mismatch: local {local}, remote {remote}")]
ProtocolMismatch {
/// The local protocol version supported by this node.
local: u16,
/// The remote protocol version sent by the peer.
remote: u16,
},
/// The receiver explicitly rejected the transfer request.
#[error("transfer rejected by receiver")]
TransferRejected,
/// Key exchange authentication failed due to an invalid pairing passphrase.
#[error("invalid passphrase: key exchange authentication failed")]
InvalidPassphrase,
/// An error occurred during cryptographic operations (e.g. encryption/decryption/HKDF).
#[error("crypto error: {0}")]
Crypto(&'static str),
/// An invalid frame structure or size was encountered on the stream.
#[error("invalid frame: {0}")]
InvalidFrame(String),
/// An error occurred during the handshake negotiation phase.
#[error("handshake error: {0}")]
Handshake(String),
/// An error occurred during client connection initiation.
#[error("QUIC connect error: {0}")]
Connect(#[from] compio_quic::ConnectError),
/// An error occurred on the active QUIC connection.
#[error("QUIC connection error: {0}")]
Connection(#[from] compio_quic::ConnectionError),
/// An error occurred when opening a stream on the QUIC connection.
#[error("QUIC open stream error: {0}")]
OpenStream(#[from] compio_quic::OpenStreamError),
/// An error occurred during writing to the stream.
#[error("QUIC write error: {0}")]
Write(#[from] compio_quic::WriteError),
/// An error occurred because the stream was already closed.
#[error("QUIC stream closed error: {0}")]
ClosedStream(#[from] compio_quic::ClosedStream),
/// An error occurred during payload compression or decompression.
#[error("compression error: {0}")]
Compression(String),
/// An archive entry attempted path traversal outside the output directory.
#[error("path traversal attack detected in archive entry")]
PathTraversal,
}