.. _program_listing_file_include_rosbag2_cpp_info.hpp:

Program Listing for File info.hpp
=================================

|exhale_lsh| :ref:`Return to documentation for file <file_include_rosbag2_cpp_info.hpp>` (``include/rosbag2_cpp/info.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   // Copyright 2018, Bosch Software Innovations GmbH.
   //
   // Licensed under the Apache License, Version 2.0 (the "License");
   // you may not use this file except in compliance with the License.
   // You may obtain a copy of the License at
   //
   //     http://www.apache.org/licenses/LICENSE-2.0
   //
   // Unless required by applicable law or agreed to in writing, software
   // distributed under the License is distributed on an "AS IS" BASIS,
   // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   // See the License for the specific language governing permissions and
   // limitations under the License.
   
   #ifndef ROSBAG2_CPP__INFO_HPP_
   #define ROSBAG2_CPP__INFO_HPP_
   
   #include <memory>
   #include <string>
   #include <vector>
   #include <unordered_map>
   #include <utility>
   
   #include "rosbag2_cpp/visibility_control.hpp"
   
   #include "rosbag2_storage/bag_metadata.hpp"
   
   namespace rosbag2_cpp
   {
   
   typedef ROSBAG2_CPP_PUBLIC_TYPE struct rosbag2_service_info_t
   {
     std::string name;
     std::string type;
     std::string serialization_format;
     size_t request_count;
     size_t response_count;
   } rosbag2_service_info_t;
   
   typedef ROSBAG2_CPP_PUBLIC_TYPE struct rosbag2_action_info_t
   {
     std::string name;
     std::string type;
     std::string serialization_format;
     // request_count and response_count
     std::pair<size_t, size_t> send_goal_service_msg_count;
     std::pair<size_t, size_t> cancel_goal_service_msg_count;
     std::pair<size_t, size_t> get_result_service_msg_count;
     // message count
     size_t feedback_topic_msg_count;
     size_t status_topic_msg_count;
   } rosbag2_action_info_t;
   
   class ROSBAG2_CPP_PUBLIC Info
   {
   public:
     virtual ~Info() = default;
   
     virtual rosbag2_storage::BagMetadata read_metadata(
       const std::string & uri, const std::string & storage_id = "");
   
     std::pair<
       std::vector<std::shared_ptr<rosbag2_service_info_t>>,
       std::vector<std::shared_ptr<rosbag2_action_info_t>>
     >
     read_service_and_action_info(const std::string & uri, const std::string & storage_id = "");
   
     virtual std::unordered_map<std::string, uint64_t> compute_messages_size_contribution(
       const std::string & uri, const std::string & storage_id = "");
   };
   
   }  // namespace rosbag2_cpp
   
   #endif  // ROSBAG2_CPP__INFO_HPP_