bt_file_logger.h

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#ifndef BT_FILE_LOGGER_H
#define BT_FILE_LOGGER_H
 
#include <fstream>
#include <deque>
#include <array>
#include "abstract_logger.h"
 
namespace BT
{
class FileLogger : public StatusChangeLogger
{
public:
  FileLogger(const Tree& tree, const char* filename, uint16_t buffer_size = 10);
 
  virtual ~FileLogger() override;
 
  virtual void callback(Duration timestamp, const TreeNode& node, NodeStatus prev_status,
                        NodeStatus status) override;
 
  virtual void flush() override;
 
private:
  std::ofstream file_os_;
 
  std::chrono::high_resolution_clock::time_point start_time;
 
  std::vector<SerializedTransition> buffer_;
 
  size_t buffer_max_size_;
};
 
}   // namespace BT
 
#endif   // BT_FILE_LOGGER_H