00001 // -*- mode: c++ -*-> 00002 /********************************************************************* 00003 * Software License Agreement (BSD License) 00004 * 00005 * Copyright (c) 2013, Ryohei Ueda and JSK Lab 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/o2r 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 00032 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00033 * POSSIBILITY OF SUCH DAMAGE. 00034 *********************************************************************/ 00035 00036 #ifndef JSK_TOPIC_TOOLS_HZ_MEASURE_NODELET_H_ 00037 #define JSK_TOPIC_TOOLS_HZ_MEASURE_NODELET_H_ 00038 00039 #include <nodelet/nodelet.h> 00040 #include <topic_tools/shape_shifter.h> 00041 00042 #include <queue> 00043 00044 namespace jsk_topic_tools 00045 { 00046 class HzMeasure: public nodelet::Nodelet 00047 { 00048 public: 00049 typedef ros::MessageEvent<topic_tools::ShapeShifter> ShapeShifterEvent; 00050 virtual void onInit(); 00051 protected: 00052 int average_message_num_; 00053 std::queue<ros::Time> buffer_; 00054 ros::Publisher hz_pub_; 00055 ros::Subscriber sub_; 00056 ros::NodeHandle pnh_; 00057 virtual void inputCallback(const boost::shared_ptr<topic_tools::ShapeShifter const>& msg); 00058 00059 private: 00060 }; 00061 } 00062 00063 #endif