multi_state_validation_service_capability.cpp

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#include "multi_state_validation_service_capability.hpp"
#include <moveit/collision_detection/collision_tools.h>
#include <moveit/move_group/capability_names.h>
#include <moveit/moveit_cpp/moveit_cpp.h>
#include <moveit/robot_state/conversions.h>
#include <moveit/utils/message_checks.h>
 
namespace move_group
{
 
void MoveGroupMultiStateValidationService::initialize()
{
  validity_service_ = context_->moveit_cpp_->getNode()->create_service<moveit_msgs::srv::GetMultiStateValidity>(
      MULTI_STATE_VALIDITY_SERVICE_NAME,
      [this](const std::shared_ptr<rmw_request_id_t>& request_header,
             const std::shared_ptr<moveit_msgs::srv::GetMultiStateValidity::Request>& req,
             const std::shared_ptr<moveit_msgs::srv::GetMultiStateValidity::Response>& res) {
        return computeService(request_header, req, res);
      });
}
 
bool MoveGroupMultiStateValidationService::computeService(
    const std::shared_ptr<rmw_request_id_t>& /* unused */,
    const std::shared_ptr<moveit_msgs::srv::GetMultiStateValidity::Request>& req,
    const std::shared_ptr<moveit_msgs::srv::GetMultiStateValidity::Response>& res)
{
  planning_scene_monitor::LockedPlanningSceneRO ls(context_->planning_scene_monitor_);
  moveit::core::RobotState rs = ls->getCurrentState();
  moveit::core::robotStateMsgToRobotState(req->robot_state, rs);
  for (size_t i = 0; i < req->joint_states.size(); ++i)
  {
    // Update robot state with next set of joint states
    rs.setVariableValues(req->joint_states[i]);
 
    // Check validity of given joint state
    res->valid = isStateValid(ls, rs, req->group_name, req->constraints, res->contacts, res->cost_sources,
                              res->constraint_result);
 
    // This service only checks up to the first invalid joint state,
    // with the result then holding the information about the first invalid
    // state
    if (!res->valid)
    {
      break;
    }
  }
  return true;
}
}  // namespace move_group
 
#include <pluginlib/class_list_macros.hpp>
 
PLUGINLIB_EXPORT_CLASS(move_group::MoveGroupMultiStateValidationService, move_group::MoveGroupCapability)