Enum libp2p::kad::handler::KademliaHandlerQueryErr

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

Error that can happen when requesting an RPC query.

Variants

Upgrade(ProtocolsHandlerUpgrErr<Error>)

Error while trying to perform the query.

UnexpectedMessage

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

Io(Error)

I/O error in the substream.

Trait Implementations

impl Debug for KademliaHandlerQueryErr

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

Formats the value using the given formatter.

impl Display for KademliaHandlerQueryErr

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

Formats the value using the given formatter.

impl Error for KademliaHandlerQueryErr

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 1.41.0:

use the Display impl or to_string()

if let Err(e) = "xc".parse::<u32>() { // Print e itself, no need for description(). eprintln!("Error: {}", e); }

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

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

Performs the conversion.