Enum libp2p::dns::DnsErr

pub enum DnsErr<TErr> {
    Underlying(TErr),
    ResolveFail(String),
    ResolveError {
        domain_name: String,
        error: Error,
    },
    MultiaddrNotSupported,
}

Error that can be generated by the DNS layer.

Variants

Underlying(TErr)

Error in the underlying transport layer.

ResolveFail(String)

Failed to find any IP address for this DNS address.

ResolveError

Error while resolving a DNS address.

Fields of ResolveError

domain_name: Stringerror: Error

MultiaddrNotSupported

Found an IP address, but the underlying transport doesn’t support the multiaddr.

Trait Implementations

impl<TErr> Debug for DnsErr<TErr> where
    TErr: Debug, 

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

Formats the value using the given formatter.

impl<TErr> Display for DnsErr<TErr> where
    TErr: Display, 

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

Formats the value using the given formatter.

impl<TErr> Error for DnsErr<TErr> where
    TErr: 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