00001 /* 00002 * Copyright (C) 2008, Morgan Quigley and Willow Garage, Inc. 00003 * 00004 * Redistribution and use in source and binary forms, with or without 00005 * modification, are permitted provided that the following conditions are met: 00006 * * Redistributions of source code must retain the above copyright notice, 00007 * this list of conditions and the following disclaimer. 00008 * * Redistributions in binary form must reproduce the above copyright 00009 * notice, this list of conditions and the following disclaimer in the 00010 * documentation and/or other materials provided with the distribution. 00011 * * Neither the names of Stanford University or Willow Garage, Inc. nor the names of its 00012 * contributors may be used to endorse or promote products derived from 00013 * this software without specific prior written permission. 00014 * 00015 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00016 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00017 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00018 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 00019 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00020 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00021 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00022 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00023 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00024 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00025 * POSSIBILITY OF SUCH DAMAGE. 00026 */ 00027 00028 #ifndef ROSCPP_SERVICE_PUBLICATION_H 00029 #define ROSCPP_SERVICE_PUBLICATION_H 00030 00031 #include "ros/service_callback_helper.h" 00032 00033 #include "XmlRpc.h" 00034 00035 #include <boost/thread/mutex.hpp> 00036 00037 #include <boost/shared_ptr.hpp> 00038 #include <boost/shared_array.hpp> 00039 #include <boost/thread.hpp> 00040 #include <boost/enable_shared_from_this.hpp> 00041 00042 #include <vector> 00043 #include <queue> 00044 00045 namespace ros 00046 { 00047 00048 class ServiceClientLink; 00049 typedef boost::shared_ptr<ServiceClientLink> ServiceClientLinkPtr; 00050 typedef std::vector<ServiceClientLinkPtr> V_ServiceClientLink; 00051 class CallbackQueueInterface; 00052 00053 class Message; 00054 00061 class ServicePublication : public boost::enable_shared_from_this<ServicePublication> 00062 { 00063 public: 00064 ServicePublication(const std::string& name, const std::string &md5sum, const std::string& data_type, const std::string& request_data_type, 00065 const std::string& response_data_type, const ServiceCallbackHelperPtr& helper, CallbackQueueInterface* queue, 00066 const VoidConstPtr& tracked_object); 00067 ~ServicePublication(); 00068 00072 void processRequest(boost::shared_array<uint8_t> buf, size_t num_bytes, const ServiceClientLinkPtr& link); 00073 00077 void addServiceClientLink(const ServiceClientLinkPtr& link); 00081 void removeServiceClientLink(const ServiceClientLinkPtr& link); 00082 00086 void drop(); 00090 bool isDropped() { return dropped_; } 00091 00092 const std::string& getMD5Sum() { return md5sum_; } 00093 const std::string& getRequestDataType() { return request_data_type_; } 00094 const std::string& getResponseDataType() { return response_data_type_; } 00095 const std::string& getDataType() { return data_type_; } 00096 const std::string& getName() { return name_; } 00097 00098 private: 00099 void dropAllConnections(); 00100 00101 std::string name_; 00102 std::string md5sum_; 00103 std::string data_type_; 00104 std::string request_data_type_; 00105 std::string response_data_type_; 00106 ServiceCallbackHelperPtr helper_; 00107 00108 V_ServiceClientLink client_links_; 00109 boost::mutex client_links_mutex_; 00110 00111 bool dropped_; 00112 00113 CallbackQueueInterface* callback_queue_; 00114 bool has_tracked_object_; 00115 VoidConstWPtr tracked_object_; 00116 }; 00117 typedef boost::shared_ptr<ServicePublication> ServicePublicationPtr; 00118 00119 } 00120 00121 #endif // ROSCPP_SERVICE_PUBLICATION_H