Enum DecodeError 

pub enum DecodeError {
    InvalidClientId,
    InvalidPacketType,
    InvalidProtocolLevel,
    InvalidProtocolName,
    InvalidConnectFlags,
    InvalidQoS,
    InvalidPacketFlags,
    InvalidPacketId,
    InvalidVarInt,
    InvalidBoolData,
    InvalidRemainingLength,
    InvalidString(StringError),
    InvalidTopic(TopicError),
    InvalidPropertyType,
    InvalidPropertyValue,
    InvalidReasonCode,
    OutOfRangeError,
    TooManyData,
    EmptyTopicFilter,
    OtherErrors,
}

Variants

InvalidClientId

ClientId is empty or its length exceeds 23. Or contains invalid characters.

InvalidPacketType

InvalidProtocolLevel

Protocol level is not in 3.1, 3.1.1 or 5.0.

InvalidProtocolName

Protocol name must be “MQTT”.

InvalidConnectFlags

Resrved bit in connect packet is not zero.

InvalidQoS

QoS not 0, 1, 2

InvalidPacketFlags

Invalid flag value in fixed header.

Does not contain InvalidQoS.

InvalidPacketId

PacketId should be present but not set. Or PacketId is none where it is required.

InvalidVarInt

Failed to parse variable byte integer.

InvalidBoolData

InvalidRemainingLength

Length of buffer - offset < remaining length.

InvalidString(StringError)

Invalid UTF-8 string.

InvalidTopic(TopicError)

Violate topic filter rules. Topic name might contain wildcard characters.

InvalidPropertyType

Unknown property type bit.

InvalidPropertyValue

Failed to parse property value.

InvalidReasonCode

Used in v5 protocol.

OutOfRangeError

Byte array index ouf of range.

TooManyData

Length of data exceeds its limitation

EmptyTopicFilter

No topic is speicified in Subscribe packet.

OtherErrors

General errors

Trait Implementations

impl Debug for DecodeError

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

Formats the value using the given formatter.

impl From<ByteArrayError> for DecodeError

fn from(err: ByteArrayError) -> Self

Converts to this type from the input type.

impl From<StringError> for DecodeError

fn from(err: StringError) -> Self

Converts to this type from the input type.

impl From<TopicError> for DecodeError

fn from(err: TopicError) -> Self

Converts to this type from the input type.

impl From<VarIntError> for DecodeError

fn from(_err: VarIntError) -> Self

Converts to this type from the input type.