DDS_LivelinessChangedStatus Struct Reference

<<cert>> DDS_LIVELINESS_CHANGED_STATUS More...

#include <dds_c_subscription.h>

Data Fields
DDS_Long	alive_count
	The total count of currently alive DDS_DataWriter entities that write the DDS_Topic the DDS_DataReader reads.
DDS_Long	not_alive_count
	The total count of currently not_alive DDS_DataWriter entities that write the DDS_Topic the DDS_DataReader reads.
DDS_Long	alive_count_change
	The change in the alive_count since the last time the listener was called or the status was read.
DDS_Long	not_alive_count_change
	The change in the not_alive_count since the last time the listener was called or the status was read.
DDS_InstanceHandle_t	last_publication_handle
	An instance handle to the last remote writer to change its liveliness.

Detailed Description

<<cert>> DDS_LIVELINESS_CHANGED_STATUS

Field Documentation

alive_count

DDS_Long DDS_LivelinessChangedStatus::alive_count

The total count of currently alive DDS_DataWriter entities that write the DDS_Topic the DDS_DataReader reads.

not_alive_count

DDS_Long DDS_LivelinessChangedStatus::not_alive_count

The total count of currently not_alive DDS_DataWriter entities that write the DDS_Topic the DDS_DataReader reads.

alive_count_change

DDS_Long DDS_LivelinessChangedStatus::alive_count_change

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

not_alive_count_change

DDS_Long DDS_LivelinessChangedStatus::not_alive_count_change

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

last_publication_handle

DDS_InstanceHandle_t DDS_LivelinessChangedStatus::last_publication_handle

An instance handle to the last remote writer to change its liveliness.