Enum libp2p_core::upgrade::NegotiationError

pub enum NegotiationError {
    ProtocolError(ProtocolError),
    Failed,
}

Error that can happen when negotiating a protocol with the remote.

Variants

ProtocolError(ProtocolError)

A protocol error occurred during the negotiation.

Failed

Protocol negotiation failed because no protocol could be agreed upon.

Trait Implementations

impl Debug for NegotiationError

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

Formats the value using the given formatter.

impl Display for NegotiationError

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

Formats the value using the given formatter.

impl Error for NegotiationError

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

The lower-level source of this error, if any.

fn backtrace(&self) -> Option<&Backtrace>

🔬 This is a nightly-only experimental API. (backtrace)

Returns a stack backtrace, if available, of where this error occurred.

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

impl From<Error> for NegotiationError

pub fn from(err: Error) -> NegotiationError

Performs the conversion.

impl<E> From<NegotiationError> for UpgradeError<E>

fn from(e: NegotiationError) -> Self

Performs the conversion.

impl From<ProtocolError> for NegotiationError

pub fn from(err: ProtocolError) -> NegotiationError

Performs the conversion.