OpenHiva::TopicOptions::BuildDDSQos

qosOptions

输入

DDS消息保存策略参数，数据结构为DdsQosOptions，具体定义如下：

 1
 2
 3
 4
 5
 6
 7
 8
 9
10

struct DdsQosOptions {
    QosHistoryPolicy history;
    std::size_t depth;
    QosReliabilityPolicy reliability;
    QosDurabilityPolicy durability;
    QosDuration deadline;
    QosDuration lifespan;
    QosLivelinessPolicy liveliness;
    QosDuration leaseDuration;
};

相关的数据类型或数据结构如下：

• QosHistoryPolicy

  1 2 3 4 5 6

  enum class QosHistoryPolicy: uint32_t { DDS_QOS_HISTORY_POLICY_KEEP_LAST, DDS_QOS_HISTORY_POLICY_KEEP_ALL, DDS_QOS_HISTORY_POLICY_SYSTEM_DEFAULT, DDS_QOS_HISTORY_POLICY_UNKNOWN };

• QosReliabilityPolicy

  1 2 3 4 5 6

  enum class QosReliabilityPolicy: uint32_t { DDS_QOS_RELIABILITY_POLICY_RELIABLE, DDS_QOS_RELIABILITY_POLICY_BEST_EFFORT, DDS_QOS_RELIABILITY_POLICY_SYSTEM_DEFAULT, DDS_QOS_RELIABILITY_POLICY_UNKNOWN };

• QosDurabilityPolicy

  1 2 3 4 5 6

  enum class QosDurabilityPolicy: uint32_t { DDS_QOS_DURABILITY_POLICY_VOLATILE, DDS_QOS_DURABILITY_POLICY_TRANSIENT_LOCAL, DDS_QOS_DURABILITY_POLICY_SYSTEM_DEFAULT, DDS_QOS_DURABILITY_POLICY_UNKNOWN };

• QosLivelinessPolicy

  1 2 3 4 5 6

  enum class QosLivelinessPolicy: uint32_t { DDS_QOS_LIVELINESS_POLICY_AUTOMATIC, DDS_QOS_LIVELINESS_POLICY_MANUAL_BY_TOPIC, DDS_QOS_LIVELINESS_POLICY_SYSTEM_DEFAULT, DDS_QOS_LIVELINESS_POLICY_UNKNOWN };

• QosDuration

  1 2 3 4 5 6

  struct QosDuration { // Seconds uint64_t sec; // Nanoseconds uint64_t nsec; };