CoreDX Data Distribution Service
The High Performance, Small Footprint DDS from Twin Oaks Computing, Inc
LivelinessChangedStatus Class Reference

Data Fields

int alive_count
 
int not_alive_count
 
int alive_count_change
 
int not_alive_count_change
 
InstanceHandle_t last_publication_handle
 

Detailed Description

Status related to the on_liveliness_changed listener methods of the DataReader, Subscriber, and DomainParticipant structures.

Field Documentation

◆ alive_count

int alive_count

The number of 'active' DataWriters matched to this DataReader.

◆ alive_count_change

int alive_count_change

Change in alive_count since the last time the listener was called or status was read.

◆ last_publication_handle

InstanceHandle_t last_publication_handle

Handle identifying the most recent DataWriter whose liveliness changed.

◆ not_alive_count

int not_alive_count

The number of 'not-alive' DataWriters matched to this DataReader.

◆ not_alive_count_change

int not_alive_count_change

Change in not_alive_count since the last time the listener was called or status was read.


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