valvedetect/3part/lpSyslog/inc/lpLogging.h

#ifndef _QLOGGING_H_
#define _QLOGGING_H_
#include "LogStream.h"
#include <functional>
namespace SystemLog {
	class lpLogging
	{
	public:
		enum LogLevel {
			PARAM = 0,//<2F><><EFBFBD><EFBFBD> <20>޸ļ<DEB8>¼
			USER = 1,//<2F>û<EFBFBD><C3BB><EFBFBD>¼<EFBFBD><C2BC>¼
			STATUS = 2,//ϵͳ״̬<D7B4><CCAC>¼
			WARN = 3,//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼
			INFO = 4,//<2F><>Ϣ <20><><EFBFBD><EFBFBD>
			NUM_LOG_LEVELS,//<2F><><EFBFBD><EFBFBD>
		};
		lpLogging();
		lpLogging(LogLevel level);
		lpLogging(LogLevel level, const char* func);
		~lpLogging();
		
		LogStream& stream() 
		{ 
			return impl_.stream_;
		}
		static LogLevel logLevel();
		static void setLogLevel(LogLevel level);

		typedef std::function<void(int ntypeID, const char* msg, int len)> OutputFunc;
		typedef std::function<void()> FlushFunc;
		static void setOutput(OutputFunc);
		static void setFlush(FlushFunc);
	private:
		class Impl {
		public:
			typedef lpLogging::LogLevel LogLevel;
			Impl(LogLevel level, int old_errno);
			void formatTime();
			void finish();
			LogStream stream_;
			LogLevel level_;
		};
		Impl impl_;
	};
}

#define SYSLOG_PARAM	SystemLog::lpLogging(SystemLog::lpLogging::PARAM).stream()
#define SYSLOG_USER		SystemLog::lpLogging(SystemLog::lpLogging::USER).stream()
#define SYSLOG_STATUS	SystemLog::lpLogging(SystemLog::lpLogging::STATUS).stream()
#define SYSLOG_WARN		SystemLog::lpLogging(SystemLog::lpLogging::WARN).stream()
#define SYSLOG_INFO		SystemLog::lpLogging(SystemLog::lpLogging::INFO).stream()

#endif