active_zoneset_node.h

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// Copyright (c) 2021 Pilz GmbH & Co. KG
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
#ifndef PSEN_SCAN_V2_ACTIVE_ZONESET_NODE_H
#define PSEN_SCAN_V2_ACTIVE_ZONESET_NODE_H
 
#include <string>
#include <vector>
#include <boost/optional.hpp>
 
#include <ros/ros.h>
#include <visualization_msgs/Marker.h>
#include <std_msgs/UInt8.h>
 
#include "psen_scan_v2/ZoneSetConfiguration.h"
 
namespace psen_scan_v2
{
static const std::string DEFAULT_ACTIVE_ZONESET_TOPIC = "active_zoneset";
static const std::string DEFAULT_ZONECONFIGURATION_TOPIC = "zoneconfiguration";
static const std::string DEFAULT_ZONESET_MARKER_ARRAY_TOPIC = "active_zoneset_markers";
 
class ActiveZonesetNode
{
public:
  ActiveZonesetNode(ros::NodeHandle& nh);
 
public:
  void zonesetCallback(const ZoneSetConfiguration& zoneset_config);
  void activeZonesetCallback(const std_msgs::UInt8& zoneset_config);
 
private:
  void updateMarkers();
  bool isAllInformationAvailable() const;
 
  [[deprecated("use ZoneSet activeZoneset() const instead")]] ZoneSet getActiveZoneset() const;
  ZoneSet activeZoneset() const;
 
  void addMarkers(std::vector<visualization_msgs::Marker>& new_markers);
  void publishCurrentMarkers();
  void addDeleteMessageForUnusedLastMarkers();
 
private:
  ros::NodeHandle nh_;
  ros::Subscriber zoneset_subscriber_;
  ros::Subscriber active_zoneset_subscriber_;
  ros::Publisher zoneset_markers_;
 
  boost::optional<ZoneSetConfiguration> zoneset_config_;
  boost::optional<std_msgs::UInt8> active_zoneset_id_;
  std::vector<visualization_msgs::Marker> last_markers_;
  std::vector<visualization_msgs::Marker> current_markers_;
};
 
}  // namespace psen_scan_v2
 
#endif  // PSEN_SCAN_V2_ACTIVE_ZONESET_NODE_H