tools.hpp

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#ifndef IFW_FND_TOOLS_HPP_H_
#define IFW_FND_TOOLS_HPP_H_
 
#include <array>
#include <execinfo.h>
#include <iomanip>
#include <iostream>
#include <iostream>
#include <string>
#include <thread>
#include <vector>
#include <queue>
 
#include <fmt/format.h>
 
 
#include <ifw/fnd/defs/logger.hpp>
#include <ifw/fnd/defs/base.hpp>
 
 
namespace ifw::fnd::tools {
 
  inline std::string GetLoggersAsStrList() {
    LOG4CPLUS_TRACE_METHOD(Logger(), __PRETTY_FUNCTION__);
    std::string reply;
    for (auto it : log4cplus::Logger::getCurrentLoggers()) {
      std::string log_level = log4cplus::getLogLevelManager().toString(it.getLogLevel());
      reply += ", " + fmt::format("{}: {}", it.getName(), log_level);
    }
    return reply.substr(1);
  }
 
  class LoopFrequencyCalculator {
  public:
      explicit LoopFrequencyCalculator(size_t window_size = 100);
 
      void SetWindowSize(const size_t window_size);
 
      // Method to mark the current time (called at each loop iteration)
      void Tick();
 
      // Method to get the current calculated frequency in Hz
      double GetFrequency() const;
 
      // Reset internal buffers to start over measurement.
      void Reset();
 
  private:
      size_t m_window_size;  // Number of samples in the window
      std::queue<std::chrono::high_resolution_clock::time_point> m_timestamps;  // Timestamps queue
      std::queue<long long> m_durations;  // Durations queue (in milliseconds)
      long long m_sum_durations;  // Sum of the durations in the current window
  };
}
 
#endif