Program Listing for File log_database.h

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#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_