RTI Connext DDS Micro C++ API
Version 3.0.2
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<<cert>> DDS_SUBSCRIPTION_MATCHED_STATUS More...
#include <dds_c_subscription.h>
Public Attributes | |
DDS_Long | total_count |
The total cumulative number of times the concerned DDSDataReader discovered a "match" with a DDSDataWriter. | |
DDS_Long | total_count_change |
The change in total_count since the last time the listener was called or the status was read. | |
DDS_Long | current_count |
The current number of writers with which the DDSDataReader is matched. | |
DDS_Long | current_count_change |
The change in current_count since the last time the listener was called or the status was read. | |
DDS_InstanceHandle_t | last_publication_handle |
A handle to the last DDSDataWriter that caused the status to change. |
<<cert>> DDS_SUBSCRIPTION_MATCHED_STATUS
A "match" happens when the DDSDataReader finds a DDSDataWriter for the same DDSTopic with an offered QoS that is compatible with that requested by the DDSDataReader.
This status is also changed (and the listener, if any, called) when a match is ended. A local DDSDataReader will become "unmatched" from a remote DDSDataWriter when that DDSDataWriter goes away for any reason.
DDS_Long DDS_SubscriptionMatchedStatus::total_count |
The total cumulative number of times the concerned DDSDataReader discovered a "match" with a DDSDataWriter.
This number increases whenever a new match is discovered. It does not change when an existing match goes away.
DDS_Long DDS_SubscriptionMatchedStatus::total_count_change |
The change in total_count since the last time the listener was called or the status was read.
DDS_Long DDS_SubscriptionMatchedStatus::current_count |
The current number of writers with which the DDSDataReader is matched.
This number increases when a new match is discovered and decreases when an existing match goes away.
DDS_Long DDS_SubscriptionMatchedStatus::current_count_change |
The change in current_count since the last time the listener was called or the status was read.
DDS_InstanceHandle_t DDS_SubscriptionMatchedStatus::last_publication_handle |
A handle to the last DDSDataWriter that caused the status to change.