API referenceC++ APIHoloscanNamespacesDds QosFunctions

holoscan::dds_qos::apply_reader_qos

Beta
View as Markdown
void holoscan::dds_qos::apply_reader_qos(
    eprosima::fastdds::dds::DataReaderQos &dds_qos,
    const nvidia::gxf::QoSProfile &qos
)

Map a GXF QoSProfile struct to FastDDS DataReaderQos.

Maps the same fields as apply_writer_qos(), except:

  • lifespan is not applicable to readers (DDS spec)
  • max_blocking_time is not applicable to readers (writer-side only)
  • transport_priority is not applicable to readers

Parameters

dds_qos
eprosima::fastdds::dds::DataReaderQos &

The DataReaderQos to configure (modified in-place). Must be freshly default-initialized (e.g. DATAREADER_QOS_DEFAULT). Reusing a previously configured object may leave stale values.

qos
const nvidia::gxf::QoSProfile &

The GXF QoSProfile to map from.

See also: docs/PUBSUB_DESIGN/DDS_BACKEND_ADOPT_NEW_GXF_APIS.md §3