00001 // -*- mode: C++ -*- 00002 /********************************************************************* 00003 * Software License Agreement (BSD License) 00004 * 00005 * Copyright (c) 2014, 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 #include "jsk_pcl_ros/delay_pointcloud.h" 00037 #include <pluginlib/class_list_macros.h> 00038 00039 namespace jsk_pcl_ros 00040 { 00041 void DelayPointCloud::onInit() 00042 { 00043 ConnectionBasedNodelet::onInit(); 00044 pnh_->param("sleep_time", sleep_time_, 1.0); 00045 pub_ = advertise<sensor_msgs::PointCloud2>(*pnh_, "output", 1); 00046 } 00047 00048 void DelayPointCloud::delay(const sensor_msgs::PointCloud2::ConstPtr& msg) 00049 { 00050 ros::Duration(sleep_time_).sleep(); 00051 pub_.publish(msg); 00052 } 00053 00054 void DelayPointCloud::subscribe() 00055 { 00056 sub_ = pnh_->subscribe("input", 1, &DelayPointCloud::delay, this); 00057 } 00058 void DelayPointCloud::unsubscribe() 00059 { 00060 sub_.shutdown(); 00061 } 00062 } 00063 00064 PLUGINLIB_EXPORT_CLASS (jsk_pcl_ros::DelayPointCloud, nodelet::Nodelet);