QoSProfilePublisher QML Type

Publishes rosgraph_msgs::msg::QoSProfile messages — Message-based representation of ROS 2 Quality of Service settings Default values are kept in sync with RMW by integration test Note that SYSTEM_DEFAULT and BEST_AVAILABLE values cannot be an observed value, because they resolve concretely at runtime. More...

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Properties

• deadline : duration
• depth : uint32_t
• durability : uint8_t
• history : uint8_t
• lifespan : duration
• liveliness : uint8_t
• livelinessLeaseDuration : duration
• reliability : uint8_t

Methods

• void publish(qoSProfile msg)

Detailed Description

They are included here for completeness to match the data structures in RMW

QoSProfilePublisher publishes qoSProfile values to a ROS 2 topic. Set the topic and node properties, then call publish() to send messages.

See also QoSProfileSubscriber and qoSProfile.

Property Documentation

deadline : duration

The deadline field value included in the next publish. Setting this property emits deadlineChanged and, when autoPublish is true, requests a publish at the end of the current event-loop iteration.

depth : uint32_t

The depth field value included in the next publish. Setting this property emits depthChanged and, when autoPublish is true, requests a publish at the end of the current event-loop iteration.

durability : uint8_t

The durability field value included in the next publish. Setting this property emits durabilityChanged and, when autoPublish is true, requests a publish at the end of the current event-loop iteration.

history : uint8_t

The history field value included in the next publish. Setting this property emits historyChanged and, when autoPublish is true, requests a publish at the end of the current event-loop iteration.

lifespan : duration

The lifespan field value included in the next publish. Setting this property emits lifespanChanged and, when autoPublish is true, requests a publish at the end of the current event-loop iteration.

liveliness : uint8_t

The liveliness field value included in the next publish. Setting this property emits livelinessChanged and, when autoPublish is true, requests a publish at the end of the current event-loop iteration.

livelinessLeaseDuration : duration

The livelinessLeaseDuration field value included in the next publish. Setting this property emits livelinessLeaseDurationChanged and, when autoPublish is true, requests a publish at the end of the current event-loop iteration.

reliability : uint8_t

The reliability field value included in the next publish. Setting this property emits reliabilityChanged and, when autoPublish is true, requests a publish at the end of the current event-loop iteration.

Method Documentation

void publish(qoSProfile msg)

Publishes qoSProfile msg to the ROS 2 topic set by the topic property. Does nothing if the publisher is not connected.