Struct PublishOptions 

pub struct PublishOptions {
    pub qos: Option<QoS>,
    pub retain: Option<bool>,
    pub user_properties: Option<HashMap<String, String>>,
    pub content_type: Option<String>,
}

Configuration options to publish data.

Fields

qos: Option<QoS>

Quality field of services is an agreement between the message sender and receiver that defines the level of delivery guarantee for a specific message.

retain: Option<bool>

Retain make the broker store the last message and each client that subscribe will receive this last message immediately after they subscribe.

user_properties: Option<HashMap<String, String>>

User-defined key-value pairs metadata to send with the MQTT message.

content_type: Option<String>

String that describes the content of the application message.

Trait Implementations

impl Clone for PublishOptions

fn clone(&self) -> PublishOptions

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for PublishOptions

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

Formats the value using the given formatter.

impl Default for PublishOptions

fn default() -> PublishOptions

Returns the “default value” for a type.

impl PartialEq for PublishOptions

fn eq(&self, other: &PublishOptions) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for PublishOptions

impl StructuralPartialEq for PublishOptions