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

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

Formats the value using the given formatter.

impl Display for NegotiationError

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

Formats the value using the given formatter.

impl Error for NegotiationError

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

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, demand: &mut Demand<'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 NegotiationError

fn from(err: Error) -> NegotiationError

Converts to this type from the input type.

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

fn from(e: NegotiationError) -> Self

Converts to this type from the input type.

impl From<ProtocolError> for NegotiationError

fn from(err: ProtocolError) -> NegotiationError

Converts to this type from the input type.