00001 /********************************************************************* 00002 * Software License Agreement (BSD License) 00003 * 00004 * Copyright (c) 2008, Willow Garage, Inc. 00005 * All rights reserved. 00006 * 00007 * Redistribution and use in source and binary forms, with or without 00008 * modification, are permitted provided that the following conditions 00009 * are met: 00010 * 00011 * * Redistributions of source code must retain the above copyright 00012 * notice, this list of conditions and the following disclaimer. 00013 * * Redistributions in binary form must reproduce the above 00014 * copyright notice, this list of conditions and the following 00015 * disclaimer in the documentation and/or other materials provided 00016 * with the distribution. 00017 * * Neither the name of Willow Garage nor the names of its 00018 * contributors may be used to endorse or promote products derived 00019 * from this software without specific prior written permission. 00020 * 00021 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00022 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00023 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00024 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 00025 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00026 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00027 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00028 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00029 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00030 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 00031 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00032 * POSSIBILITY OF SUCH DAMAGE. 00033 *********************************************************************/ 00034 00037 #ifndef PLANNING_ENVIRONMENT_JOINT_STATE_MONITOR 00038 #define PLANNING_ENVIRONMENT_JOINT_STATE_MONITOR 00039 00040 #include <ros/ros.h> 00041 #include <sensor_msgs/JointState.h> 00042 00043 #include <urdf/model.h> 00044 00045 #include <boost/thread/mutex.hpp> 00046 #include <boost/thread/condition.hpp> 00047 #include <vector> 00048 #include <string> 00049 #include <map> 00050 00051 namespace planning_environment 00052 { 00055 class JointStateMonitor 00056 { 00057 public: 00058 00059 JointStateMonitor(); 00060 void stop(void); 00061 sensor_msgs::JointState getJointState(); 00062 sensor_msgs::JointState getJointStateRealJoints(); 00063 sensor_msgs::JointState getJointState(std::vector<std::string> names); 00064 ros::Time last_update_; 00065 bool active_; 00066 00067 private: 00068 ros::Subscriber joint_state_subscriber_; 00069 bool state_monitor_started_; 00070 bool first_time_; 00071 sensor_msgs::JointState joint_state_; 00072 std::map<std::string,int> joint_state_index_; 00073 void jointStateCallback(const sensor_msgs::JointStateConstPtr &joint_state); 00074 boost::mutex state_mutex_; 00075 ros::NodeHandle root_handle_; 00076 std::vector<int> joint_real_state_index_; 00077 urdf::Model robot_model_; 00078 }; 00079 00080 } 00081 00082 #endif