move_base.h
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00001 /*********************************************************************
00002 *
00003 * Software License Agreement (BSD License)
00004 *
00005 *  Copyright (c) 2008, Willow Garage, Inc.
00006 *  All rights reserved.
00007 *
00008 *  Redistribution and use in source and binary forms, with or without
00009 *  modification, are permitted provided that the following conditions
00010 *  are met:
00011 *
00012 *   * Redistributions of source code must retain the above copyright
00013 *     notice, this list of conditions and the following disclaimer.
00014 *   * Redistributions in binary form must reproduce the above
00015 *     copyright notice, this list of conditions and the following
00016 *     disclaimer in the documentation and/or other materials provided
00017 *     with the distribution.
00018 *   * Neither the name of the Willow Garage nor the names of its
00019 *     contributors may be used to endorse or promote products derived
00020 *     from this software without specific prior written permission.
00021 *
00022 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
00023 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00024 *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
00025 *  FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
00026 *  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
00027 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
00028 *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
00029 *  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00030 *  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00031 *  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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00034 *
00035 * Author: Eitan Marder-Eppstein
00036 *********************************************************************/
00037 #ifndef NAV_MOVE_BASE_ACTION_H_
00038 #define NAV_MOVE_BASE_ACTION_H_
00039 
00040 #include <vector>
00041 #include <string>
00042 
00043 #include <ros/ros.h>
00044 
00045 #include <actionlib/server/simple_action_server.h>
00046 #include <move_base_msgs/MoveBaseAction.h>
00047 
00048 #include <nav_core/base_local_planner.h>
00049 #include <nav_core/base_global_planner.h>
00050 #include <nav_core/recovery_behavior.h>
00051 #include <geometry_msgs/PoseStamped.h>
00052 #include <costmap_2d/costmap_2d_ros.h>
00053 #include <costmap_2d/costmap_2d.h>
00054 #include <nav_msgs/GetPlan.h>
00055 
00056 #include <pluginlib/class_loader.h>
00057 #include <std_srvs/Empty.h>
00058 
00059 #include <dynamic_reconfigure/server.h>
00060 #include "move_base/MoveBaseConfig.h"
00061 
00062 namespace move_base {
00063   //typedefs to help us out with the action server so that we don't hace to type so much
00064   typedef actionlib::SimpleActionServer<move_base_msgs::MoveBaseAction> MoveBaseActionServer;
00065 
00066   enum MoveBaseState {
00067     PLANNING,
00068     CONTROLLING,
00069     CLEARING
00070   };
00071 
00072   enum RecoveryTrigger
00073   {
00074     PLANNING_R,
00075     CONTROLLING_R,
00076     OSCILLATION_R
00077   };
00078 
00083   class MoveBase {
00084     public:
00090       MoveBase(tf::TransformListener& tf);
00091 
00095       virtual ~MoveBase();
00096 
00103       bool executeCycle(geometry_msgs::PoseStamped& goal, std::vector<geometry_msgs::PoseStamped>& global_plan);
00104 
00105     private:
00112       bool clearCostmapsService(std_srvs::Empty::Request &req, std_srvs::Empty::Response &resp);
00113 
00120       bool planService(nav_msgs::GetPlan::Request &req, nav_msgs::GetPlan::Response &resp);
00121 
00128       bool makePlan(const geometry_msgs::PoseStamped& goal, std::vector<geometry_msgs::PoseStamped>& plan);
00129 
00135       bool loadRecoveryBehaviors(ros::NodeHandle node);
00136 
00140       void loadDefaultRecoveryBehaviors();
00141 
00147       void clearCostmapWindows(double size_x, double size_y);
00148 
00152       void publishZeroVelocity();
00153 
00157       void resetState();
00158 
00159       void goalCB(const geometry_msgs::PoseStamped::ConstPtr& goal);
00160 
00161       void planThread();
00162 
00163       void executeCb(const move_base_msgs::MoveBaseGoalConstPtr& move_base_goal);
00164 
00165       bool isQuaternionValid(const geometry_msgs::Quaternion& q);
00166 
00167       double distance(const geometry_msgs::PoseStamped& p1, const geometry_msgs::PoseStamped& p2);
00168 
00169       geometry_msgs::PoseStamped goalToGlobalFrame(const geometry_msgs::PoseStamped& goal_pose_msg);
00170 
00174       void wakePlanner(const ros::TimerEvent& event);
00175 
00176       tf::TransformListener& tf_;
00177 
00178       MoveBaseActionServer* as_;
00179 
00180       boost::shared_ptr<nav_core::BaseLocalPlanner> tc_;
00181       costmap_2d::Costmap2DROS* planner_costmap_ros_, *controller_costmap_ros_;
00182 
00183       boost::shared_ptr<nav_core::BaseGlobalPlanner> planner_;
00184       std::string robot_base_frame_, global_frame_;
00185 
00186       std::vector<boost::shared_ptr<nav_core::RecoveryBehavior> > recovery_behaviors_;
00187       unsigned int recovery_index_;
00188 
00189       tf::Stamped<tf::Pose> global_pose_;
00190       double planner_frequency_, controller_frequency_, inscribed_radius_, circumscribed_radius_;
00191       double planner_patience_, controller_patience_;
00192       double conservative_reset_dist_, clearing_radius_;
00193       ros::Publisher current_goal_pub_, vel_pub_, action_goal_pub_;
00194       ros::Subscriber goal_sub_;
00195       ros::ServiceServer make_plan_srv_, clear_costmaps_srv_;
00196       bool shutdown_costmaps_, clearing_rotation_allowed_, recovery_behavior_enabled_;
00197       double oscillation_timeout_, oscillation_distance_;
00198 
00199       MoveBaseState state_;
00200       RecoveryTrigger recovery_trigger_;
00201 
00202       ros::Time last_valid_plan_, last_valid_control_, last_oscillation_reset_;
00203       geometry_msgs::PoseStamped oscillation_pose_;
00204       pluginlib::ClassLoader<nav_core::BaseGlobalPlanner> bgp_loader_;
00205       pluginlib::ClassLoader<nav_core::BaseLocalPlanner> blp_loader_;
00206       pluginlib::ClassLoader<nav_core::RecoveryBehavior> recovery_loader_;
00207 
00208       //set up plan triple buffer
00209       std::vector<geometry_msgs::PoseStamped>* planner_plan_;
00210       std::vector<geometry_msgs::PoseStamped>* latest_plan_;
00211       std::vector<geometry_msgs::PoseStamped>* controller_plan_;
00212 
00213       //set up the planner's thread
00214       bool runPlanner_;
00215       boost::mutex planner_mutex_;
00216       boost::condition_variable planner_cond_;
00217       geometry_msgs::PoseStamped planner_goal_;
00218       boost::thread* planner_thread_;
00219 
00220 
00221       boost::recursive_mutex configuration_mutex_;
00222       dynamic_reconfigure::Server<move_base::MoveBaseConfig> *dsrv_;
00223       
00224       void reconfigureCB(move_base::MoveBaseConfig &config, uint32_t level);
00225 
00226       move_base::MoveBaseConfig last_config_;
00227       move_base::MoveBaseConfig default_config_;
00228       bool setup_, p_freq_change_, c_freq_change_;
00229       bool new_global_plan_;
00230   };
00231 };
00232 #endif
00233 


move_base
Author(s): Eitan Marder-Eppstein, contradict@gmail.com
autogenerated on Thu Aug 27 2015 14:07:31