static bool IsTopicAvailableForSubscribe()

in roscpp_azure_iothub/src/ros_azure_iothub_cpp_node.cpp [175:197]

• 21 lines of code
• 4 McCabe index (conditional complexity)

static bool IsTopicAvailableForSubscribe(const char* topicName)
{
    std::string topic_name = topicName;
    
    ros::master::V_TopicInfo advertized_topics;
    ros::master::getTopics(advertized_topics);

    bool found = false;
    for (const auto& topic_info: advertized_topics)
    {
        if( topic_info.name == topic_name)
        {
            found = true;
            break;
        }
    }
    if (!found )
    {
        ROS_WARN("This topic has not been published yet: %s", topic_name.c_str());
        return false;
    }
    return true;
}