Struct SubscriptionOptions 

pub struct SubscriptionOptions {
    pub qos: QoS,
    pub no_local: bool,
    pub retain_as_published: bool,
    pub retain_handling: RetainHandling,
}

Subscription options byte in a SUBSCRIBE payload entry.

Fields

qos: QoS

Maximum QoS level for messages delivered to this subscription.

no_local: bool

If true, the server must not forward messages published by this client.

retain_as_published: bool

If true, the retain flag from the original publish is preserved.

retain_handling: RetainHandling

Controls when retained messages are sent.

Implementations

impl SubscriptionOptions

pub const fn to_byte(self) -> u8

Encodes the options into a single byte.

pub const fn from_byte(b: u8) -> Option<SubscriptionOptions>

Decodes subscription options from a byte, returning None if invalid.

Trait Implementations

impl Clone for SubscriptionOptions

fn clone(&self) -> SubscriptionOptions

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SubscriptionOptions

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

Formats the value using the given formatter.

impl PartialEq for SubscriptionOptions

fn eq(&self, other: &SubscriptionOptions) -> 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 Copy for SubscriptionOptions

impl Eq for SubscriptionOptions

impl StructuralPartialEq for SubscriptionOptions