midware_ws/NetLib/wsServer/Logger.h

#pragma once
#include <string>
#include <list>
#include <memory>
#include <condition_variable>
#include <thread>
#include <fstream>
#include <boost\date_time\posix_time\posix_time.hpp>
#include <regex>

#define LOG_DEBUG  Logger::GetInstance()->Log

class Logger
{
public:
	Logger();
	~Logger();

	bool Init(const std::string& logDir, const std::string& logFileName);
	bool Start();
	bool Stop();

	std::string Log(const char* format, ...);
	//static Logger* GetInstance() { return &pInstance; }
	static std::shared_ptr<Logger> GetInstance() { return pInstance; }

private:
	Logger(const Logger&) = default;
	Logger& operator=(const Logger&) = default;

	void __pushLogItem(const std::string& data, const int& level, const std::string& content);
	void __dealLogItem();
	std::shared_ptr<std::ofstream> __openFile();

private:

	typedef struct tagLogItem {
		std::string Date;
		std::string Content;
		int Level;
		tagLogItem(const std::string& date) {
			Date = date;
			Content = "";
			Level = 0;
		}
		void SetItem(const int& Level, const std::string& Content) {
			this->Level = Level;
			this->Content = Content;
		}
		std::string string() {
			std::string str;
			str.append(this->Date).append(" [");
			str.append(this->Level == 0 ? "调试" : "信息").append("] ");
			str.append(this->Content).append("\n");
			return str;
		}
		friend std::ostream& operator<< (std::ostream& os, const tagLogItem&a) {
			return os << a.Date << " [" << (a.Level == 0 ? "调试" : "信息") << "] " << a.Content << std::endl;
		}
	}LogItem;

	std::list<std::shared_ptr<LogItem>> m_LogList;
	std::mutex m_LogMut;
	std::condition_variable m_LogCond;
	bool m_isStop;
	std::shared_ptr<std::thread> m_LogThread;

	int m_LogSize;  // 文件大小，单位M
	std::string m_LogDir; // 日志文件夹
	std::string m_LogFileName;// 日志文件名
	//static Logger pInstance;
	static  std::shared_ptr<Logger> pInstance;
};