broadcast.cpp

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/* Author: Ioan Sucan */

#include <moveit/warehouse/planning_scene_storage.h>
#include <moveit/warehouse/constraints_storage.h>
#include <moveit/warehouse/state_storage.h>

#include <boost/program_options/cmdline.hpp>
#include <boost/program_options/options_description.hpp>
#include <boost/program_options/parsers.hpp>
#include <boost/program_options/variables_map.hpp>

#include <ros/ros.h>

static const std::string PLANNING_SCENE_TOPIC = "planning_scene";
static const std::string PLANNING_REQUEST_TOPIC = "motion_plan_request";
static const std::string PLANNING_RESULTS_TOPIC = "motion_plan_results";

static const std::string CONSTRAINTS_TOPIC = "constraints";

static const std::string STATES_TOPIC = "robot_states";

int main(int argc, char **argv)
{
  ros::init(argc, argv, "publish_warehouse_data", ros::init_options::AnonymousName);

  // time to wait in between publishing messages
  double delay = 0.001;

  boost::program_options::options_description desc;
  desc.add_options()
    ("help", "Show help message")
    ("host", boost::program_options::value<std::string>(), "Host for the MongoDB.")
    ("port", boost::program_options::value<std::size_t>(), "Port for the MongoDB.")
    ("scene", boost::program_options::value<std::string>(), "Name of scene to publish.")
    ("planning_requests", "Also publish the planning requests that correspond to the scene")
    ("planning_results", "Also publish the planning results that correspond to the scene")
    ("constraint", boost::program_options::value<std::string>(), "Name of constraint to publish.")
    ("state", boost::program_options::value<std::string>(), "Name of the robot state to publish.")
    ("delay", boost::program_options::value<double>()->default_value(delay), "Time to wait in between publishing messages (s)");

  boost::program_options::variables_map vm;
  boost::program_options::store(boost::program_options::parse_command_line(argc, argv, desc), vm);
  boost::program_options::notify(vm);

  if (vm.count("help") || (!vm.count("scene") && !vm.count("constraint") && !vm.count("state")))
  {
    std::cout << desc << std::endl;
    return 1;
  }
  try
  {
    delay = vm["delay"].as<double>();
  }
  catch(...)
  {
    std::cout << desc << std::endl;
    return 2;
  }

  ros::AsyncSpinner spinner(1);
  spinner.start();

  ros::NodeHandle nh;
  ros::Publisher pub_scene, pub_req, pub_res, pub_constr, pub_state;
  ros::Duration wait_time(delay);

  // publish the scene
  if (vm.count("scene"))
  {
    pub_scene = nh.advertise<moveit_msgs::PlanningScene>(PLANNING_SCENE_TOPIC, 10);
    bool req = vm.count("planning_requests");
    bool res = vm.count("planning_results");
    if (req)
      pub_req = nh.advertise<moveit_msgs::MotionPlanRequest>(PLANNING_REQUEST_TOPIC, 100);
    if (res)
      pub_res = nh.advertise<moveit_msgs::RobotTrajectory>(PLANNING_RESULTS_TOPIC, 100);

    moveit_warehouse::PlanningSceneStorage pss(vm.count("host") ? vm["host"].as<std::string>() : "",
                                               vm.count("port") ? vm["port"].as<std::size_t>() : 0);
    ros::spinOnce();

    std::vector<std::string> scene_names;
    pss.getPlanningSceneNames(vm["scene"].as<std::string>(), scene_names);

    for (std::size_t i = 0 ; i < scene_names.size() ; ++i)
    {
      moveit_warehouse::PlanningSceneWithMetadata pswm;
      if (pss.getPlanningScene(pswm, scene_names[i]))
      {
        ROS_INFO("Publishing scene '%s'", pswm->lookupString(moveit_warehouse::PlanningSceneStorage::PLANNING_SCENE_ID_NAME).c_str());
        pub_scene.publish(static_cast<const moveit_msgs::PlanningScene&>(*pswm));
        ros::spinOnce();

        // publish optional data associated to the scene
        if (req || res)
        {
          std::vector<moveit_warehouse::MotionPlanRequestWithMetadata> planning_queries;
          std::vector<std::string> query_names;
          pss.getPlanningQueries(planning_queries, query_names, pswm->name);
          ROS_INFO("There are %d planning queries associated to the scene", (int)planning_queries.size());
          ros::WallDuration(0.5).sleep();
          for (std::size_t i = 0 ; i < planning_queries.size() ; ++i)
          {
            if (req)
            {
              ROS_INFO("Publishing query '%s'", query_names[i].c_str());
              pub_req.publish(static_cast<const moveit_msgs::MotionPlanRequest&>(*planning_queries[i]));
              ros::spinOnce();
            }
            if (res)
            {
              std::vector<moveit_warehouse::RobotTrajectoryWithMetadata> planning_results;
              pss.getPlanningResults(planning_results, query_names[i], pswm->name);
              for (std::size_t j = 0 ; j < planning_results.size() ; ++j)
              {
                pub_res.publish(static_cast<const moveit_msgs::RobotTrajectory&>(*planning_results[j]));
                ros::spinOnce();
              }
            }
          }
        }
        wait_time.sleep();
      }
    }
  }

  // publish constraints
  if (vm.count("constraint"))
  {
    moveit_warehouse::ConstraintsStorage cs(vm.count("host") ? vm["host"].as<std::string>() : "",
                                            vm.count("port") ? vm["port"].as<std::size_t>() : 0);
    pub_constr = nh.advertise<moveit_msgs::Constraints>(CONSTRAINTS_TOPIC, 100);
    std::vector<std::string> cnames;
    cs.getKnownConstraints(vm["constraint"].as<std::string>(), cnames);

    for (std::size_t i = 0 ; i < cnames.size() ; ++i)
    {
      moveit_warehouse::ConstraintsWithMetadata cwm;
      if (cs.getConstraints(cwm, cnames[i]))
      {
        ROS_INFO("Publishing constraints '%s'", cwm->lookupString(moveit_warehouse::ConstraintsStorage::CONSTRAINTS_ID_NAME).c_str());
        pub_constr.publish(static_cast<const moveit_msgs::Constraints&>(*cwm));
        ros::spinOnce();
        wait_time.sleep();
      }
    }
  }

  // publish constraints
  if (vm.count("state"))
  {
    moveit_warehouse::RobotStateStorage rs(vm.count("host") ? vm["host"].as<std::string>() : "",
                                           vm.count("port") ? vm["port"].as<std::size_t>() : 0);
    pub_state = nh.advertise<moveit_msgs::RobotState>(STATES_TOPIC, 100);
    std::vector<std::string> rnames;
    rs.getKnownRobotStates(vm["state"].as<std::string>(), rnames);

    for (std::size_t i = 0 ; i < rnames.size() ; ++i)
    {
      moveit_warehouse::RobotStateWithMetadata rswm;
      if (rs.getRobotState(rswm, rnames[i]))
      {
        ROS_INFO("Publishing state '%s'", rswm->lookupString(moveit_warehouse::RobotStateStorage::STATE_NAME).c_str());
        pub_state.publish(static_cast<const moveit_msgs::RobotState&>(*rswm));
        ros::spinOnce();
        wait_time.sleep();
      }
    }
  }

  ros::WallDuration(1.0).sleep();
  ROS_INFO("Done.");

  return 0;
}