Enum libp2p::swarm::protocols_handler::ProtocolsHandlerUpgrErr

pub enum ProtocolsHandlerUpgrErr<TUpgrErr> {
    Timeout,
    Timer,
    Upgrade(UpgradeError<TUpgrErr>),
}

Error that can happen on an outbound substream opening attempt.

Variants

Timeout

The opening attempt timed out before the negotiation was fully completed.

Timer

There was an error in the timer used.

Upgrade(UpgradeError<TUpgrErr>)

Error while upgrading the substream to the protocol we want.

Implementations

impl<TUpgrErr> ProtocolsHandlerUpgrErr<TUpgrErr>

pub fn map_upgrade_err<F, E>(self, f: F) -> ProtocolsHandlerUpgrErr<E> where
    F: FnOnce(UpgradeError<TUpgrErr>) -> UpgradeError<E>, 

Map the inner UpgradeError type.

Trait Implementations

impl<TUpgrErr> Debug for ProtocolsHandlerUpgrErr<TUpgrErr> where
    TUpgrErr: Debug, 

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

Formats the value using the given formatter.

impl<TUpgrErr> Display for ProtocolsHandlerUpgrErr<TUpgrErr> where
    TUpgrErr: Display, 

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

Formats the value using the given formatter.

impl<TUpgrErr> Error for ProtocolsHandlerUpgrErr<TUpgrErr> where
    TUpgrErr: Error + 'static, 

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

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

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

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

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

pub fn description(&self) -> &str

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

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

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

impl From<ProtocolsHandlerUpgrErr<Error>> for KademliaHandlerQueryErr

pub fn from(err: ProtocolsHandlerUpgrErr<Error>) -> KademliaHandlerQueryErr

Performs the conversion.