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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


Field Documentation

DDS_Long DDS_LivelinessChangedStatus::alive_count

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

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.

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.

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.

DDS_InstanceHandle_t DDS_LivelinessChangedStatus::last_publication_handle

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


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