00001 /* 00002 * Software License Agreement (BSD License) 00003 * 00004 * Copyright (c) 2018, Locus Robotics 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 copyright holder 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 HOLDER 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 #include <locomotor/executor.h> 00036 00037 namespace locomotor 00038 { 00039 Executor::Executor(const ros::NodeHandle& base_nh, bool create_cb_queue) 00040 : ex_nh_(base_nh) 00041 { 00042 if (create_cb_queue) 00043 { 00044 queue_ = std::make_shared<ros::CallbackQueue>(); 00045 ros::CallbackQueue* raw_queue_ptr = queue_.get(); 00046 00047 spinner_ = std::make_shared<ros::AsyncSpinner>(1, raw_queue_ptr); 00048 spinner_->start(); 00049 00050 ex_nh_.setCallbackQueue(raw_queue_ptr); 00051 } 00052 else 00053 { 00054 queue_ = nullptr; 00055 spinner_ = nullptr; 00056 } 00057 } 00058 00059 const ros::NodeHandle& Executor::getNodeHandle() const 00060 { 00061 return ex_nh_; 00062 } 00063 00064 void Executor::addCallback(LocomotorCallback::Function f) 00065 { 00066 getQueue().addCallback(boost::make_shared<LocomotorCallback>(f)); 00067 } 00068 00069 ros::CallbackQueue& Executor::getQueue() 00070 { 00071 if (queue_) return *queue_; 00072 return *ros::getGlobalCallbackQueue(); 00073 } 00074 00075 } // namespace locomotor