map/benchmark_engine.hpp


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#pragma once
#include "map/benchmark_provider.hpp"

#include "geometry/rect2d.hpp"

#include "base/timer.hpp"
#include "base/thread.hpp"

#include "std/string.hpp"
#include "std/vector.hpp"
#include "std/shared_ptr.hpp"


class Framework;

/// BenchmarkEngine is class which:
/// - Creates it's own thread
/// - Feeds the Framework with the paint tasks he wants to performs
/// - Wait until each tasks completion
/// - Measure the time of each task and save the result
class BenchmarkEngine
{
  threads::Thread m_thread;

  double m_paintDuration;
  double m_maxDuration;
  m2::RectD m_maxDurationRect;
  m2::RectD m_curBenchmarkRect;

  string m_startTime;

  struct BenchmarkResult
  {
    string m_name;
    m2::RectD m_rect;
    double m_time;
  };

  vector<BenchmarkResult> m_benchmarkResults;
  my::Timer m_benchmarksTimer;

  struct Benchmark
  {
    shared_ptr<BenchmarkRectProvider> m_provider;
    string m_name;
  };

  class Routine : public threads::IRoutine
  {
   public:
    Routine(BenchmarkEngine & engine);

    // threads::IRoutine overrides:
    void Do() override;

   private:
    BenchmarkEngine & m_engine;
  };

  vector<Benchmark> m_benchmarks;
  size_t m_curBenchmark;

  Framework * m_framework;

  void BenchmarkCommandFinished();
  bool NextBenchmarkCommand();
  void SaveBenchmarkResults();
  void SendBenchmarkResults();

  void MarkBenchmarkResultsStart();
  void MarkBenchmarkResultsEnd();

  void PrepareMaps();

  friend class DoGetBenchmarks;

public:
  BenchmarkEngine(Framework * fw);

  void Start();
};