如何解决如何在 CycloneDDS C++ 中设置 QOS?
我正在使用 CycloneDDS C++ version,
尝试将以下 QOS 设置为写入器 DDS_HISTORY_KEEP_ALL、DDS_DURABILITY_TRANSIENT_LOCAL、DDS_RELIABILITY_RELIABLE
我正在尝试将 Qos 设置为数据编写器,在 dds 发布者中
dds::domain::DomainParticipant local_participant(domain::default_id());
dds::pub::Publisher local_publisher(local_participant);
dds::topic::Topic<DDSData::myData> topicMyData(local_participant,"DDS");
dds::pub::qos::DataWriterQos QosW( dds_history_kind(DDS_HISTORY_KEEP_ALL),dds_durability_kind(DDS_DURABILITY_TRANSIENT_LOCAL),dds_reliability_kind(DDS_RELIABILITY_RELIABLE));
m_ReplyDataWriter = std::make_shared < dds::pub::DataWriter<DDSData::myData>>(local_publisher,topicMyData,QosW,NULL,::dds::core::status::StatusMask::none());
具有 Qos 的 DataWriter 构造函数
DataWriter(const dds::pub::Publisher& pub,const ::dds::topic::Topic<T>& topic,const dds::pub::qos::DataWriterQos& qos,dds::pub::DataWriterListener<T>* listener = NULL,const dds::core::status::StatusMask& mask = ::dds::core::status::StatusMask::none());
我在这里想念的东西不起作用?
Error C2664'dds::pub::DataWriter<DDSData::myData,dds::pub::detail::DataWriter>::DataWriter(const dds::pub::DataWriter<DDSData::myData,dds::pub::detail::DataWriter> &)': cannot convert argument 3 from '_Ty' to 'const dds::pub::qos::DataWriterQos &'
解决方法
错误是因为 QoS 设置不正确,您可以尝试以下代码,
使用您自己的 QoS 创建 DataWriter
dds::domain::DomainParticipant local_participant(domain::default_id());
dds::pub::Publisher local_publisher(local_participant);
dds::topic::Topic<DDSData::myData> topicMyData(local_participant,"DDS");
dds::pub::qos::DataWriterQos dwqos = topicMyData.qos();
dwqos << dds_history_kind(DDS_HISTORY_KEEP_ALL)
<< dds_durability_kind(DDS_DURABILITY_TRANSIENT_LOCAL)
<< dds_reliability_kind(DDS_RELIABILITY_RELIABLE);
dds::pub::DataWriter<Foo::Type> writer2(local_publisher,topicMyData,dwqos);
//m_ReplyDataWriter = std::make_shared < dds::pub::DataWriter<DDSData::myData>>(local_publisher,dwqos,NULL,::dds::core::status::StatusMask::none());
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