Enum Error 

pub enum Error {
    NoError,
    InternalError,
    ConnectionRefused,
    FlowControlError,
    StreamLimitError,
    StreamStateError,
    FinalSizeError,
    FrameEncodingError,
    TransportParameterError,
    ConnectionIdLimitError,
    ProtocolViolation,
    InvalidToken,
    ApplicationError,
    CryptoBufferExceeded,
    KeyUpdateError,
    AeadLimitReached,
    NoViablePath,
    CryptoError(u8),
    MultipathProtocolViolation,
    Done,
    BufferTooShort,
    UnknownVersion,
    InvalidPacket,
    InvalidState(String),
    InvalidOperation(String),
    InvalidConfig(String),
    ExpiredToken,
    CryptoFail,
    TlsFail(String),
    StreamStopped(u64),
    StreamReset(u64),
    IoError(String),
}

QUIC transport error.

Variants

NoError

An endpoint uses this with CONNECTION_CLOSE to signal that the connection is being closed abruptly in the absence of any error.

InternalError

The endpoint encountered an internal error and cannot continue with the connection

ConnectionRefused

The server refused to accept a new connection.

FlowControlError

An endpoint received more data than it permitted in its advertised data limits

StreamLimitError

An endpoint received a frame for a stream identifier that exceeded its advertised stream limit for the corresponding stream type

StreamStateError

An endpoint received a frame for a stream that was not in a state that permitted that frame;

FinalSizeError

(1) An endpoint received a STREAM frame containing data that exceeded the previously established final size, (2) an endpoint received a STREAM frame or a RESET_STREAM frame containing a final size that was lower than the size of stream data that was already received, or (3) an endpoint received a STREAM frame or a RESET_STREAM frame containing a different final size to the one already established.

FrameEncodingError

An endpoint received a frame that was badly formatted – for instance, a frame of an unknown type or an ACK frame that has more acknowledgment ranges than the remainder of the packet could carry.

TransportParameterError

An endpoint received transport parameters that were badly formatted, included an invalid value, omitted a mandatory transport parameter, included a forbidden transport parameter, or were otherwise in error.

ConnectionIdLimitError

The number of connection IDs provided by the peer exceeds the advertised active_connection_id_limit.

ProtocolViolation

An endpoint detected an error with protocol compliance that was not covered by more specific error codes.

InvalidToken

A server received a client Initial that contained an invalid Token field.

ApplicationError

The application or application protocol caused the connection to be closed.

CryptoBufferExceeded

An endpoint has received more data in CRYPTO frames than it can buffer.

KeyUpdateError

An endpoint detected errors in performing key updates.

AeadLimitReached

An endpoint has reached the confidentiality or integrity limit for the AEAD algorithm used by the given connection.

NoViablePath

An endpoint has determined that the network path is incapable of supporting QUIC. An endpoint is unlikely to receive a CONNECTION_CLOSE frame carrying this code except when the path does not support a large enough MTU.

CryptoError(u8)

The cryptographic handshake failed. A range of 256 values is reserved for carrying error codes specific to the cryptographic handshake.

MultipathProtocolViolation

An endpoint detected a multipath error with protocol compliance that was not covered by more specific error codes.

Done

There is no more work to do.

BufferTooShort

The provided buffer is too short.

UnknownVersion

The provided packet cannot be parsed because its version is unknown.

InvalidPacket

The provided packet cannot be parsed.

InvalidState(String)

The operation cannot be completed because it was attempted in an invalid state.

InvalidOperation(String)

The operation on the connection is invalid.

InvalidConfig(String)

The configuration is invalid.

ExpiredToken

A server received a client Initial that contained an expired Token.

CryptoFail

A cryptographic operation failed.

TlsFail(String)

The TLS handshake failed.

StreamStopped(u64)

The specified stream was stopped by the peer.

The error code sent as part of the STOP_SENDING frame is provided as associated data.

StreamReset(u64)

The specified stream was reset by the peer.

The error code sent as part of the RESET_STREAM frame is provided as associated data.

IoError(String)

I/O error.

Trait Implementations

impl Clone for Error

fn clone(&self) -> Error

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Error

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

Formats the value using the given formatter.

impl Default for Error

fn default() -> Error

Returns the “default value” for a type.

impl Display for Error

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

Formats the value using the given formatter.

impl Error for Error

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

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting

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.

impl From<Error> for Error

fn from(err: Error) -> Self

Converts to this type from the input type.

impl From<Error> for Http3Error

fn from(err: Error) -> Self

Converts to this type from the input type.

impl IntoEnumIterator for Error

type Iterator = ErrorIter

fn iter() -> ErrorIter

impl PartialEq for Error

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

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

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for Error

impl StructuralPartialEq for Error