Struct LivelinessChangedStatus 

#[repr(C)]
pub struct LivelinessChangedStatus {
    pub alive_count: u16,
    pub not_alive_count: u16,
    pub alive_count_change: i16,
    pub not_alive_count_change: i16,
}

Liveliness-status payload. Mirrors DDS rmw_liveliness_changed_status_t shape.

Fields

alive_count: u16

Number of currently-alive matched publishers (subscriber side) or self-asserting state (publisher side, always 0/1).

not_alive_count: u16

Number of currently-not-alive matched publishers.

alive_count_change: i16

Change in alive_count since the last callback fire.

not_alive_count_change: i16

Change in not_alive_count since the last callback fire.

Trait Implementations

impl Clone for LivelinessChangedStatus

fn clone(&self) -> LivelinessChangedStatus

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for LivelinessChangedStatus

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

Formats the value using the given formatter.

impl Default for LivelinessChangedStatus

fn default() -> LivelinessChangedStatus

Returns the “default value” for a type.

impl PartialEq for LivelinessChangedStatus

fn eq(&self, other: &LivelinessChangedStatus) -> 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 LivelinessChangedStatus

impl Eq for LivelinessChangedStatus

impl StructuralPartialEq for LivelinessChangedStatus