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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 the 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 00035 /* Author: Wim Meeussen */ 00036 00037 #ifndef JOINT_STATE_LISTENER_H 00038 #define JOINT_STATE_LISTENER_H 00039 00040 #include <kdl/tree.hpp> 00041 #include <ros/ros.h> 00042 #include <sensor_msgs/JointState.h> 00043 #include "robot_state_chain_publisher/robot_state_publisher.h" 00044 00045 using namespace std; 00046 using namespace ros; 00047 using namespace KDL; 00048 00049 typedef boost::shared_ptr<sensor_msgs::JointState const> JointStateConstPtr; 00050 00051 namespace robot_state_chain_publisher{ 00052 00053 class JointStateListener{ 00054 public: 00058 JointStateListener(const KDL::Tree& tree); 00059 00061 ~JointStateListener(); 00062 00063 private: 00064 void timerCallback(const ros::TimerEvent& e); 00065 void callbackJointState(const JointStateConstPtr& state); 00066 00067 NodeHandle n_, n_tilde_; 00068 Duration publish_delay_; 00069 Duration max_publish_delay_; 00070 Time last_publish_time_; 00071 Timer timer_; 00072 robot_state_chain_publisher::RobotStatePublisher state_publisher_; 00073 Subscriber joint_state_sub_; 00074 map<string, RobotStatePublisher::JointState > joint_positions; 00075 }; 00076 } 00077 00078 00079 #endif