lesson 1

SBomber/include/MyTools.h

@@ -3,16 +3,75 @@
 #include <string>
 #include <cstring>
 
-namespace MyTools {
+#include <iostream>
+#include <vector>
 
-void OpenLogFile(const std::string& FN);
+namespace MyTools
+{
 
-void CloseLogFile();
+//    void OpenLogFile(const std::string &FN);
+//    void CloseLogFile();
+//    void WriteToLog(const std::string &str);
+//    void WriteToLog(const std::string &str, int n);
+//    void WriteToLog(const std::string &str, double d);
 
-void WriteToLog(const std::string& str);
+    class Logger
+    {
+    public:
+        virtual void OpenLogFile(const std::string &FN) = 0;
+        virtual void CloseLogFile() = 0;
+        virtual void WriteToLog(const std::string &str) = 0;
+        virtual void WriteToLog(const std::string &str, int n) = 0;
+        virtual void WriteToLog(const std::string &str, double d) = 0;
+        virtual ~Logger() {}
+    };
 
-void WriteToLog(const std::string& str, int n);
+    class FileLoggerSingleton: public Logger
+    {
+    public:
+        static FileLoggerSingleton& getInstance()
+        {
+            static FileLoggerSingleton _instance;
+            return _instance;
+        }
 
-void WriteToLog(const std::string& str, double d);
+        void OpenLogFile(const std::string &FN) override;
+        void CloseLogFile() override;
+        void WriteToLog(const std::string &str) override;
+        void WriteToLog(const std::string &str, int n) override;
+        void WriteToLog(const std::string &str, double d) override;
+    private:
+        FileLoggerSingleton() {}
+        FileLoggerSingleton(const FileLoggerSingleton&) = delete;
+        FileLoggerSingleton& operator=(const FileLoggerSingleton&) = delete;
+        FileLoggerSingleton& operator=(FileLoggerSingleton&&) = delete;
+    };
 
-}; // namespace MyTools
+    class LoggerSingleton: public Logger
+    {
+    public:
+        static LoggerSingleton& getInstance()
+        {
+            static LoggerSingleton _instance;
+            return _instance;
+        }
+
+        void OpenLogFile(const std::string &FN) override;
+        void CloseLogFile() override;
+        void WriteToLog(const std::string &str) override;
+        void WriteToLog(const std::string &str, int n) override;
+        void WriteToLog(const std::string &str, double d) override;
+        ~LoggerSingleton();
+
+    private:
+        LoggerSingleton() {}
+        LoggerSingleton(const LoggerSingleton&) = delete;
+        LoggerSingleton& operator=(const LoggerSingleton&) = delete;
+        LoggerSingleton& operator=(LoggerSingleton&&) = delete;
+        FileLoggerSingleton& LoadLoggerSingletone();
+
+        FileLoggerSingleton *_logger = NULL;
+        std::vector<double> times;
+    };
+
+} // namespace MyTools

SBomber/include/Timer.h

@@ -0,0 +1,46 @@
+/*
+ * Timer.h
+ *
+ *  Created on: 21 дек. 2021 г.
+ *      Author: alexander
+ */
+
+#pragma once
+
+#include <chrono>
+
+class Timer
+{
+public:
+    static Timer& getInstance()
+    {
+        static Timer _instance;
+        return _instance;
+    }
+
+    void start()
+    {
+        m_beg = clock_t::now();
+    }
+
+    double end() const
+    {
+        return elapsed() * 1000;
+    }
+
+private:
+    using clock_t = std::chrono::high_resolution_clock;
+    using second_t = std::chrono::duration<double, std::ratio<1> >;
+
+    std::chrono::time_point<clock_t> m_beg;
+
+    double elapsed() const
+    {
+        return std::chrono::duration_cast<second_t>(clock_t::now() - m_beg).count();
+    }
+
+    Timer() {}
+    Timer(const Timer&) = delete;
+    Timer& operator=(const Timer&) = delete;
+    Timer& operator=(Timer&&) = delete;
+};

SBomber/main.cpp

@@ -32,7 +32,7 @@ int _kbhit()
 
 int main(void)
 {
-    MyTools::OpenLogFile("log.txt");
+    MyTools::LoggerSingleton::getInstance().OpenLogFile("log.txt");
 
     SBomber game;
 
@@ -55,7 +55,7 @@ int main(void)
 
     } while (!game.GetExitFlag());
 
-    MyTools::CloseLogFile();
+    MyTools::LoggerSingleton::getInstance().CloseLogFile();
 
     return 0;
 }

SBomber/src/MyTools.cpp

@@ -9,42 +9,110 @@
 #include <time.h>
 #include <stdio.h>
 
+#include <numeric>
+#include "Timer.h"
 
-namespace MyTools {
+namespace MyTools
+{
 
     std::ofstream logOut;
 
-void OpenLogFile(const std::string &FN) { logOut.open(FN, std::ios_base::out); }
+    void FileLoggerSingleton::OpenLogFile(const std::string &FN)
+    {
+        logOut.open(FN, std::ios_base::out);
+    }
 
-void CloseLogFile() {
+    void FileLoggerSingleton::CloseLogFile()
-  if (logOut.is_open()) {
+    {
+        if (logOut.is_open())
+        {
             logOut.close();
         }
     }
 
-std::string GetCurDateTime() {
+    std::string GetCurDateTime()
+    {
         auto cur = std::chrono::system_clock::now();
         time_t time = std::chrono::system_clock::to_time_t(cur);
         char *buf = ctime(&time);
         return std::string(buf);
     }
 
-void WriteToLog(const std::string &str) {
+    void FileLoggerSingleton::WriteToLog(const std::string &str)
-  if (logOut.is_open()) {
+    {
+        if (logOut.is_open())
+        {
             logOut << GetCurDateTime() << " - " << str << std::endl;
         }
     }
 
-void WriteToLog(const std::string &str, int n) {
+    void FileLoggerSingleton::WriteToLog(const std::string &str, int n)
-  if (logOut.is_open()) {
+    {
+        if (logOut.is_open())
+        {
             logOut << GetCurDateTime() << " - " << str << n << std::endl;
         }
     }
 
-void WriteToLog(const std::string &str, double d) {
+    void FileLoggerSingleton::WriteToLog(const std::string &str, double d)
-  if (logOut.is_open()) {
+    {
+        if (logOut.is_open())
+        {
             logOut << GetCurDateTime() << " - " << str << d << std::endl;
         }
     }
 
+    void LoggerSingleton::OpenLogFile(const std::string &FN)
+    {
+        Timer::getInstance().start();
+        LoadLoggerSingletone().OpenLogFile(FN);
+        times.push_back(Timer::getInstance().end());
+    }
+
+    void LoggerSingleton::CloseLogFile()
+    {
+        Timer::getInstance().start();
+        LoadLoggerSingletone().CloseLogFile();
+        times.push_back(Timer::getInstance().end());
+    }
+
+    void LoggerSingleton::WriteToLog(const std::string &str)
+    {
+        Timer::getInstance().start();
+        LoadLoggerSingletone().WriteToLog(str);
+        times.push_back(Timer::getInstance().end());
+    }
+
+    void LoggerSingleton::WriteToLog(const std::string &str, int n)
+    {
+        Timer::getInstance().start();
+        LoadLoggerSingletone().WriteToLog(str, n);
+        times.push_back(Timer::getInstance().end());
+    }
+
+    void LoggerSingleton::WriteToLog(const std::string &str, double d)
+    {
+        Timer::getInstance().start();
+        LoadLoggerSingletone().WriteToLog(str, d);
+        times.push_back(Timer::getInstance().end());
+    }
+
+    LoggerSingleton::~LoggerSingleton()
+    {
+        if (times.size())
+        {
+            std::cout << "Среднее время выполнения операций: " << std::accumulate(times.begin(), times.end(), 0.0) / times.size() << " секунд" << std::endl;
+        }
+    }
+
+    FileLoggerSingleton& LoggerSingleton::LoadLoggerSingletone()
+    {
+        if (!_logger)
+        {
+            _logger = &FileLoggerSingleton::getInstance();
+        }
+
+        return *_logger;
+    }
+
 } // namespace MyTools

SBomber/src/SBomber.cpp

@@ -13,7 +13,7 @@
 SBomber::SBomber()
   : exitFlag(false), startTime(0), finishTime(0), deltaTime(0), passedTime(0),
     fps(0), bombsNumber(10), score(0) {
-  MyTools::WriteToLog(std::string(__func__) + " was invoked");
+  MyTools::LoggerSingleton::getInstance().WriteToLog(std::string(__func__) + " was invoked");
 
   Plane* p = new Plane;
   p->SetDirection(1, 0.1);
@@ -79,7 +79,7 @@ SBomber::~SBomber() {
 }
 
 void SBomber::MoveObjects() {
-  MyTools::WriteToLog(std::string(__func__) + " was invoked");
+  MyTools::LoggerSingleton::getInstance().WriteToLog(std::string(__func__) + " was invoked");
 
   for (size_t i = 0; i < vecDynamicObj.size(); i++) {
     if (vecDynamicObj[i] != nullptr) {
@@ -89,7 +89,7 @@ void SBomber::MoveObjects() {
 };
 
 void SBomber::CheckObjects() {
-  MyTools::WriteToLog(std::string(__func__) + " was invoked");
+  MyTools::LoggerSingleton::getInstance().WriteToLog(std::string(__func__) + " was invoked");
 
   CheckPlaneAndLevelGUI();
   CheckBombsAndGround();
@@ -225,7 +225,7 @@ void SBomber::ProcessKBHit() {
     c = getchar();
   }
 
-  MyTools::WriteToLog(std::string(__func__) + " was invoked. key = ", c);
+  MyTools::LoggerSingleton::getInstance().WriteToLog(std::string(__func__) + " was invoked. key = ", c);
 
   switch (c) {
 
@@ -255,7 +255,7 @@ void SBomber::ProcessKBHit() {
 }
 
 void SBomber::DrawFrame() {
-  MyTools::WriteToLog(std::string(__func__) + " was invoked");
+  MyTools::LoggerSingleton::getInstance().WriteToLog(std::string(__func__) + " was invoked");
 
   for (size_t i = 0; i < vecDynamicObj.size(); i++) {
     if (vecDynamicObj[i] != nullptr) {
@@ -276,7 +276,7 @@ void SBomber::DrawFrame() {
 }
 
 void SBomber::TimeStart() {
-  MyTools::WriteToLog(std::string(__func__) + " was invoked");
+  MyTools::LoggerSingleton::getInstance().WriteToLog(std::string(__func__) + " was invoked");
   startTime = std::chrono::duration_cast<std::chrono::milliseconds>(
       std::chrono::high_resolution_clock::now().time_since_epoch()).count();
 }
@@ -287,12 +287,12 @@ void SBomber::TimeFinish() {
   deltaTime = uint16_t(finishTime - startTime);
   passedTime += deltaTime;
 
-  MyTools::WriteToLog(std::string(__func__) + " deltaTime = ", (int)deltaTime);
+  MyTools::LoggerSingleton::getInstance().WriteToLog(std::string(__func__) + " deltaTime = ", (int)deltaTime);
 }
 
 void SBomber::DropBomb() {
   if (bombsNumber > 0) {
-    MyTools::WriteToLog(std::string(__func__) + " was invoked");
+    MyTools::LoggerSingleton::getInstance().WriteToLog(std::string(__func__) + " was invoked");
 
     Plane* pPlane = FindPlane();
     double x = pPlane->GetX() + 4;

SBomber/src/ScreenSingleton.cpp

@@ -33,15 +33,15 @@ IScreen& getInternalInstance() {
 class ScreenSingletonProxy : public IScreen {
 public:
   virtual void ClrScr() override {
-    MyTools::WriteToLog("ClrScr invoke begin");
+    MyTools::LoggerSingleton::getInstance().WriteToLog("ClrScr invoke begin");
     getInternalInstance().ClrScr();
-    MyTools::WriteToLog("ClrScr invoke end");
+    MyTools::LoggerSingleton::getInstance().WriteToLog("ClrScr invoke end");
   }
   virtual void GotoXY(double x, double y) override {
 
-    MyTools::WriteToLog("GotoXY invoke begin");
+    MyTools::LoggerSingleton::getInstance().WriteToLog("GotoXY invoke begin");
     getInternalInstance().GotoXY(x, y);
-    MyTools::WriteToLog("GotoXY invoke end");
+    MyTools::LoggerSingleton::getInstance().WriteToLog("GotoXY invoke end");
   }
   virtual uint16_t GetMaxX() override {
     return getInternalInstance().GetMaxX();