00001 // -*- mode: C++ -*- 00002 /********************************************************************* 00003 * Software License Agreement (BSD License) 00004 * 00005 * Copyright (c) 2017, 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 JSK Lab 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 * stealth_relay.h 00037 * Author: Furushchev <furushchev@jsk.imi.i.u-tokyo.ac.jp> 00038 */ 00039 00040 00041 #ifndef STEALTH_RELAY_H__ 00042 #define STEALTH_RELAY_H__ 00043 00044 #include <boost/thread.hpp> 00045 #include <nodelet/nodelet.h> 00046 #include <topic_tools/shape_shifter.h> 00047 00048 00049 namespace jsk_topic_tools 00050 { 00051 class StealthRelay : public nodelet::Nodelet 00052 { 00053 typedef boost::shared_ptr<topic_tools::ShapeShifter const> AnyMsgConstPtr; 00054 protected: 00055 virtual void onInit(); 00056 virtual void subscribe(); 00057 virtual void unsubscribe(); 00058 virtual bool isSubscribed(); 00059 virtual void inputCallback(const AnyMsgConstPtr& msg); 00060 virtual void timerCallback(const ros::TimerEvent& event); 00061 virtual bool getNumOtherSubscribers(const std::string& name, int& num); 00062 00063 boost::mutex mutex_; 00064 boost::shared_ptr<ros::NodeHandle> nh_, pnh_; 00065 ros::Publisher pub_; 00066 ros::Subscriber sub_; 00067 ros::Timer poll_timer_; 00068 std::string monitoring_topic_; 00069 int queue_size_; 00070 bool subscribed_; 00071 bool advertised_; 00072 }; 00073 } 00074 00075 #endif // STEALTH_RELAY_H__