Enum ConnectionError 

pub enum ConnectionError {
    MqttState(StateError),
    Timeout(Elapsed),
    Websocket(Error),
    WsConnect(Error),
    Tls(Error),
    Io(Error),
    ConnectionRefused(ConnectReturnCode),
    NotConnAck(Box<Packet>),
    SessionStateMismatch {
        clean_start: bool,
        session_present: bool,
    },
    BrokerTransportMismatch,
    RequestsDone,
    AuthProcessingError,
    InvalidUrl(UrlError),
    Proxy(ProxyError),
    ResponseValidation(ValidationError),
    RequestModifier(Box<dyn Error + Send + Sync>),
}

Critical errors during eventloop polling

Variants

MqttState(StateError)

Timeout(Elapsed)

Websocket(Error)

Available on crate feature websocket only.

WsConnect(Error)

Available on crate feature websocket only.

Tls(Error)

Available on crate features use-rustls-no-provider or use-native-tls only.

Io(Error)

ConnectionRefused(ConnectReturnCode)

NotConnAck(Box<Packet>)

SessionStateMismatch

Fields

clean_start: bool

session_present: bool

BrokerTransportMismatch

RequestsDone

All request senders have been dropped. Use AsyncClient::disconnect for MQTT-level graceful shutdown with a DISCONNECT packet.

AuthProcessingError

InvalidUrl(UrlError)

Available on crate feature websocket only.

Proxy(ProxyError)

Available on crate feature proxy only.

ResponseValidation(ValidationError)

Available on crate feature websocket only.

RequestModifier(Box<dyn Error + Send + Sync>)

Available on crate feature websocket only.

Trait Implementations

impl Debug for ConnectionError

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

Formats the value using the given formatter.

impl Display for ConnectionError

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

Formats the value using the given formatter.

impl Error for ConnectionError

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

Returns the lower-level source of this error, if any.

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

fn provide<'a>(&'a self, request: &mut Request<'a>)

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

Provides type-based access to context intended for error reports.

impl From<Elapsed> for ConnectionError

fn from(source: Elapsed) -> Self

Converts to this type from the input type.

impl From<Error> for ConnectionError

fn from(source: Error) -> Self

Converts to this type from the input type.

impl From<Error> for ConnectionError

fn from(source: Error) -> Self

Converts to this type from the input type.

impl From<Error> for ConnectionError

fn from(source: Error) -> Self

Converts to this type from the input type.

impl From<ProxyError> for ConnectionError

fn from(source: ProxyError) -> Self

Converts to this type from the input type.

impl From<StateError> for ConnectionError

fn from(source: StateError) -> Self

Converts to this type from the input type.

impl From<Error> for ConnectionError

fn from(source: Error) -> Self

Converts to this type from the input type.

impl From<UrlError> for ConnectionError

fn from(source: UrlError) -> Self

Converts to this type from the input type.

impl From<ValidationError> for ConnectionError

fn from(source: ValidationError) -> Self

Converts to this type from the input type.