Enum libp2p_kad::handler::KademliaHandlerQueryErr

[−] Show declaration

pub enum KademliaHandlerQueryErr {
    Upgrade(ProtocolsHandlerUpgrErr<Error>),
    UnexpectedMessage,
    Io(Error),
}

[−] Expand description

Error that can happen when requesting an RPC query.

Variants

Upgrade(ProtocolsHandlerUpgrErr<Error>)

[−] Expand description

Error while trying to perform the query.

UnexpectedMessage

[−] Expand description

Received an answer that doesn’t correspond to the request.

Io(Error)

[−] Expand description

I/O error in the substream.

Trait Implementations

impl Debug for KademliaHandlerQueryErr[+]

[+] Show hidden undocumented items

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

Formats the value using the given formatter.

impl Display for KademliaHandlerQueryErr[+]

[+] Show hidden undocumented items

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

Formats the value using the given formatter.

impl Error for KademliaHandlerQueryErr[+]

[+] Show hidden undocumented items

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[+]

[+] Show hidden undocumented items

fn from(err: ProtocolsHandlerUpgrErr<Error>) -> Self[−]

Performs the conversion.