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> Debug for ProtocolsHandlerUpgrErr<TUpgrErr>

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

Formats the value using the given formatter.

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

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

Formats the value using the given formatter.

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

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