.. _program_listing_file__tmp_ws_src_swri_console_include_swri_console_log_database.h:

Program Listing for File log_database.h
=======================================

|exhale_lsh| :ref:`Return to documentation for file <file__tmp_ws_src_swri_console_include_swri_console_log_database.h>` (``/tmp/ws/src/swri_console/include/swri_console/log_database.h``)

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

.. code-block:: cpp

   // *****************************************************************************
   //
   // Copyright (c) 2015, Southwest Research Institute® (SwRI®)
   // All rights reserved.
   //
   // Redistribution and use in source and binary forms, with or without
   // modification, are permitted provided that the following conditions are met:
   //     * Redistributions of source code must retain the above copyright
   //       notice, this list of conditions and the following disclaimer.
   //     * Redistributions in binary form must reproduce the above copyright
   //       notice, this list of conditions and the following disclaimer in the
   //       documentation and/or other materials provided with the distribution.
   //     * Neither the name of Southwest Research Institute® (SwRI®) nor the
   //       names of its contributors may be used to endorse or promote products
   //       derived from this software without specific prior written permission.
   //
   // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   // ARE DISCLAIMED. IN NO EVENT SHALL Southwest Research Institute® BE LIABLE 
   // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
   // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
   // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
   // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
   // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
   // OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
   // DAMAGE.
   //
   // *****************************************************************************
   
   #ifndef SWRI_CONSOLE_LOG_DATABASE_H_
   #define SWRI_CONSOLE_LOG_DATABASE_H_
   
   #include <QObject>
   #include <QAbstractListModel>
   #include <QStringList>
   
   #include <rclcpp/rclcpp.hpp>
   #include <rcl_interfaces/msg/log.hpp>
   #include <deque>
   #include <rclcpp/time.hpp>
   
   namespace swri_console
   {
   struct LogEntry
   {
     rclcpp::Time stamp;
     uint8_t level_mask;
     std::string node;
     std::string file;
     std::string function;
     uint32_t line;
     QStringList text;
     uint32_t seq;
   
     void setLogLvl(uint8_t ros_log_lvl)
     {
       level = ros_log_lvl;
       switch (ros_log_lvl) {
         case rcl_interfaces::msg::Log::DEBUG : level_mask = 0x01; break;
         case rcl_interfaces::msg::Log::INFO : level_mask = 0x02; break;
         case rcl_interfaces::msg::Log::WARN : level_mask = 0x04; break;
         case rcl_interfaces::msg::Log::ERROR : level_mask = 0x08; break;
         case rcl_interfaces::msg::Log::FATAL : level_mask = 0x10; break;
         default: level_mask = 0x01; break;
       }
     }
   
     uint8_t getLogLvl(void) const { return level; }
   
   private:
     uint8_t level;
   };
   
   class LogDatabase : public QObject
   {
     Q_OBJECT
     
   public:
     LogDatabase();
     ~LogDatabase() override = default;
     
     void clear();
     const std::deque<LogEntry>& log() { return log_; }
     const rclcpp::Time& minTime() const { return min_time_; }
   
     const std::map<std::string, size_t>& messageCounts() const { return msg_counts_; }
   
    Q_SIGNALS:
     void databaseCleared();
     void messagesAdded();
     void minTimeUpdated();
   
   public Q_SLOTS:
     void queueMessage(const rcl_interfaces::msg::Log::ConstSharedPtr msg);
     void processQueue();
   
   private:  
     std::map<std::string, size_t> msg_counts_;
     std::deque<LogEntry> log_;
     std::deque<LogEntry> new_msgs_;
   
     rclcpp::Time min_time_;
   };  // class LogDatabase
   }  // namespace swri_console 
   #endif  // SWRI_CONSOLE_LOG_DATABASE_H_