OpenHiva::TopicOptions::BuildDDSQos

qosOptions

Input

DDS message retention policy. The data structure is DdsQosOptions. The definition is as follows:

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

Related data types or data structures:

• QosHistoryPolicy

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  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

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  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

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  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

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  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

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