00001 /********************************************************************* 00002 * 00003 * Software License Agreement (BSD License) 00004 * 00005 * Copyright (c) 2012, Worcester Polytechnic Institute 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/or other materials provided 00017 * with the distribution. 00018 * * Neither the name of the Worcester Polytechnic Institute nor the 00019 * names of its contributors may be used to endorse or promote 00020 * products derived from this software without specific prior 00021 * written permission. 00022 * 00023 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00024 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00025 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00026 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 00027 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00028 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00029 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00030 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00031 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00032 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 00033 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00034 * POSSIBILITY OF SUCH DAMAGE. 00035 * 00036 *********************************************************************/ 00037 00048 #ifndef ROVIO_HTTP_H_ 00049 #define ROVIO_HTTP_H_ 00050 00051 #include <curl/curl.h> 00052 #include <ros/ros.h> 00053 #include <semaphore.h> 00054 #include <string> 00055 00060 #define USER "/rovio_shared/user" 00061 00065 #define PASS "/rovio_shared/pass" 00066 00070 #define HOST "/rovio_shared/host" 00071 00076 typedef struct 00077 { 00078 char *data; 00079 size_t size; 00080 } rovio_response; 00081 00088 class rovio_http 00089 { 00090 public: 00097 rovio_http(std::string user, std::string pass); 00098 00102 virtual ~rovio_http(); 00103 00110 rovio_response *send(const char *url); 00111 00112 private: 00113 CURL *curl; 00114 sem_t sem; 00115 }; 00116 00122 void rovio_response_clean(rovio_response *resp); 00123 00127 size_t write_data(char *ptr, size_t size, size_t nmemb, rovio_response *buf); 00128 00129 #endif