Enum ClientEvent 

pub enum ClientEvent<'a> {
    Connected {
        session_present: bool,
        capabilities: ServerCapabilities,
    },
    MessageReceived {
        topic: Option<&'a Topic>,
        payload: &'a [u8],
        qos: QoS,
        retain: bool,
    },
    PublishAcked {
        packet_id: PacketId,
        reason_code: ReasonCode,
    },
    PublishComplete {
        packet_id: PacketId,
        reason_code: ReasonCode,
    },
    SubscribeAcked {
        packet_id: PacketId,
        reason_codes: &'a [u8],
    },
    UnsubscribeAcked {
        packet_id: PacketId,
        reason_codes: &'a [u8],
    },
    Disconnected {
        reason_code: ReasonCode,
    },
    PingResponse,
}

Events produced by the client state machine for the application layer.

Variants

Connected

Connection established successfully.

Fields

session_present: bool

Whether the server had existing session state.

capabilities: ServerCapabilities

Server-advertised capabilities from CONNACK properties.

MessageReceived

An application message was received (server → client PUBLISH).

Fields

topic: Option<&'a Topic>

Topic name, or None if resolved via topic alias.

payload: &'a [u8]

Application message payload.

qos: QoS

Quality of Service level.

retain: bool

Retain flag.

PublishAcked

A QoS 1 publish was acknowledged (PUBACK received).

Fields

packet_id: PacketId

Packet identifier of the acknowledged publish.

reason_code: ReasonCode

Reason code from the PUBACK.

PublishComplete

A QoS 2 publish flow completed (PUBCOMP received, or PUBREC with error reason code).

Fields

packet_id: PacketId

Packet identifier of the completed publish.

reason_code: ReasonCode

Reason code from the final acknowledgement.

SubscribeAcked

SUBACK received.

Fields

packet_id: PacketId

Packet identifier of the SUBSCRIBE.

reason_codes: &'a [u8]

One reason code per requested subscription.

UnsubscribeAcked

UNSUBACK received.

Fields

packet_id: PacketId

Packet identifier of the UNSUBSCRIBE.

reason_codes: &'a [u8]

One reason code per requested unsubscription.

Disconnected

Server sent DISCONNECT.

Fields

reason_code: ReasonCode

Reason code from the DISCONNECT packet.

PingResponse

PINGRESP received.

Trait Implementations

impl<'a> Debug for ClientEvent<'a>

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

Formats the value using the given formatter.