abstract_planner_execution.h

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/*
 *  Copyright 2018, Magazino GmbH, Sebastian Pütz, Jorge Santos Simón
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions
 *  are met:
 *
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *  2. Redistributions in binary form must reproduce the above
 *     copyright notice, this list of conditions and the following
 *     disclaimer in the documentation and/or other materials provided
 *     with the distribution.
 *
 *  3. Neither the name of the copyright holder nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 *  FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 *  COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 *  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 *  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 *  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 *  ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY OF SUCH DAMAGE.
 *
 *  abstract_planner_execution.h
 *
 *  authors:
 *    Sebastian Pütz <spuetz@uni-osnabrueck.de>
 *    Jorge Santos Simón <santos@magazino.eu>
 *
 */

#ifndef MBF_ABSTRACT_NAV__ABSTRACT_PLANNER_EXECUTION_H_
#define MBF_ABSTRACT_NAV__ABSTRACT_PLANNER_EXECUTION_H_

#include <map>
#include <string>
#include <vector>

#include <geometry_msgs/PoseStamped.h>

#include <mbf_abstract_core/abstract_planner.h>
#include <mbf_utility/types.h>

#include <mbf_utility/navigation_utility.h>

#include "mbf_abstract_nav/abstract_execution_base.h"

namespace mbf_abstract_nav
{

  class AbstractPlannerExecution : public AbstractExecutionBase
  {
  public:

    typedef boost::shared_ptr<AbstractPlannerExecution > Ptr;

    AbstractPlannerExecution(const std::string& name, const mbf_abstract_core::AbstractPlanner::Ptr& planner_ptr,
                             const MoveBaseFlexConfig& config);

    AbstractPlannerExecution(const std::string& name, const mbf_abstract_core::AbstractPlanner::Ptr& planner_ptr,
                             const TFPtr& tf_listener_ptr, const MoveBaseFlexConfig& config);

    virtual ~AbstractPlannerExecution();

    std::vector<geometry_msgs::PoseStamped> getPlan() const;

    ros::Time getLastValidPlanTime() const;

    bool isPatienceExceeded() const;

    enum PlanningState
    {
      INITIALIZED,  
      STARTED,      
      PLANNING,     
      FOUND_PLAN,   
      MAX_RETRIES,  
      PAT_EXCEEDED, 
      NO_PLAN_FOUND,
      CANCELED,     
      STOPPED,      
      INTERNAL_ERROR
    };

    PlanningState getState() const;

    double getFrequency() const { return frequency_; };

    double getCost() const;

    virtual bool cancel();

    void setNewGoal(const geometry_msgs::PoseStamped &goal, double tolerance);

    void setNewStart(const geometry_msgs::PoseStamped &start);

    void setNewStartAndGoal(const geometry_msgs::PoseStamped &start, const geometry_msgs::PoseStamped &goal,
                            double tolerance);

    bool start(const geometry_msgs::PoseStamped &start, const geometry_msgs::PoseStamped &goal,
               double tolerance);

    void reconfigure(const MoveBaseFlexConfig &config);

  protected:

    mbf_abstract_core::AbstractPlanner::Ptr planner_;

    std::string plugin_name_;

    const TFPtr tf_listener_ptr_;

    virtual void run();

  private:

    virtual uint32_t makePlan(
        const geometry_msgs::PoseStamped &start,
        const geometry_msgs::PoseStamped &goal,
        double tolerance,
        std::vector<geometry_msgs::PoseStamped> &plan,
        double &cost,
        std::string &message);

    void setState(PlanningState state, bool signalling);

    mutable boost::mutex state_mtx_;

    mutable boost::mutex plan_mtx_;

    mutable boost::mutex goal_start_mtx_;

    mutable boost::mutex planning_mtx_;

    mutable boost::mutex configuration_mutex_;

    bool has_new_goal_;

    bool has_new_start_;

    ros::Time last_call_start_time_;

    ros::Time last_valid_plan_time_;

    std::vector<geometry_msgs::PoseStamped> plan_;

    double cost_;

    geometry_msgs::PoseStamped start_;

    geometry_msgs::PoseStamped goal_;

    double tolerance_;

    double frequency_;

    ros::Duration patience_;

    int max_retries_;

    bool planning_;

    std::string robot_frame_;

    std::string global_frame_;

    PlanningState state_;

  };

} /* namespace mbf_abstract_nav */

#endif /* MBF_ABSTRACT_NAV__ABSTRACT_PLANNER_EXECUTION_H_ */