2025-02-11 13:19:25 +01:00

59 lines
2.2 KiB
C++

/****************************************************************************
* Copyright (c) 2024 PX4 Development Team.
* SPDX-License-Identifier: BSD-3-Clause
****************************************************************************/
#pragma once
#include <rclcpp/rclcpp.hpp>
#include <utility>
#include "translations.h"
#include "translation_util.h"
#include "graph.h"
class PubSubGraph {
public:
struct TopicInfo {
std::string topic_name; ///< fully qualified topic name (with namespace)
int num_subscribers; ///< does not include this node's subscribers
int num_publishers; ///< does not include this node's publishers
};
PubSubGraph(rclcpp::Node& node, const TopicTranslations& translations);
void updateCurrentTopics(const std::vector<TopicInfo>& topics);
private:
struct NodeDataPubSub {
explicit NodeDataPubSub(SubscriptionFactoryCB subscription_factory, PublicationFactoryCB publication_factory,
const MessageIdentifier& id, size_t max_serialized_message_size)
: subscription_factory(std::move(subscription_factory)), publication_factory(std::move(publication_factory)),
topic_name(id.topic_name), version(id.version), max_serialized_message_size(max_serialized_message_size)
{ }
const SubscriptionFactoryCB subscription_factory;
const PublicationFactoryCB publication_factory;
const std::string topic_name;
const MessageVersionType version;
const size_t max_serialized_message_size;
// Keep track if there's currently a publisher/subscriber
bool has_external_publisher{false};
bool has_external_subscriber{false};
rclcpp::SubscriptionBase::SharedPtr subscription;
rclcpp::PublisherBase::SharedPtr publication;
bool visited{false};
};
void onSubscriptionUpdate(const Graph<NodeDataPubSub>::MessageNodePtr& node);
void printTopicInfo(const std::unordered_map<std::string, std::set<MessageVersionType>>& known_versions) const;
void handleLargestTopic(const std::unordered_map<std::string, std::set<MessageVersionType>>& known_versions);
rclcpp::Node& _node;
Graph<NodeDataPubSub> _pub_sub_graph;
std::unordered_map<std::string, bool> _known_topics_warned;
std::vector<rclcpp::PublisherBase::SharedPtr> _largest_topic_publications;
};