Deliver/include/Log4CPP8.0/Log.Include/AppLog.Interface.hpp

#pragma once


#include "AppTLSLog.hpp"


namespace ECOM
{
	namespace Log
	{
		class AppLog_API ShareLog
		{
		public:
			ShareLog ();
			ShareLog (ShareLog && from);
			ShareLog (const ShareLog & from);

		private:
			CSystemLog * m_FileLog;
			CSystemLog * m_ErrorLog;
			int  m_LogLevel;
			bool m_bErrorOn;

			friend class AppLog;
		};

		class AppLog_API AppLog
		{
		private:
			static CSystemLog * FileLog;
			static CSystemLog * ErrorLog;

		public:
			static void EnableErrorLog (bool bSet);
			static void PrepareLog (const char * logFilename);
			static void CloseLog ();

			static int  LogLevel ();			//	此日志模块是否启用? 默认 = On
			static bool IsErrorLogOn ();	//	此日志模块对应的错误日志是否启用? 默认 = Off

			static void SetMQServerLogPort (const char * szPort);

			static void Flush (const char * str);
			static void TLSFlush (CSystemLog::Severity s);

			static void NewLine ();

		public:
			static void Share (ShareLog & with);

		public:
			template <typename... Args>
			static void Log (const char * format, Args... args)
			{
				if (LogLevel () > 1)  return;

				if (sizeof...(args) == 0)
					Flush (format);
				else
				{
					TLSLog::Format (format, args...);
					TLSFlush (CSystemLog::STY_DEBUG);
				}
			}

			template <typename... Args>
			static void Info (const char * format, Args... args)
			{
				if (LogLevel () > 2)  return;

				if (sizeof...(args) == 0)
					Flush (format);
				else
				{
					TLSLog::Format (format, args...);
					TLSFlush (CSystemLog::STY_INFO);
				}
			}

			template <typename... Args>
			static void Warning (const char * format, Args... args)
			{
				if (LogLevel () > 3)  return;

				TLSLog::Format (format, args...);
				TLSFlush (CSystemLog::STY_WARNING);
			}

			template <typename... Args>
			static void Error (const char * format, Args... args)
			{
				if (LogLevel () > 4)  return;

				TLSLog::Format (format, args...);
				TLSFlush (CSystemLog::STY_ERROR);
			}

			template <typename... Args>
			static void Fatal (const char * format, Args... args)
			{
				if (LogLevel () > 5)  return;

				TLSLog::Format (format, args...);
				TLSFlush (CSystemLog::STY_CRITICAL);
			}


			//	忽略级别, 无条件输出日志. 常用于组件启动时的版本/构建等信息
			template <typename... Args>
			static void Force (const char * format, Args... args)
			{
				if (sizeof...(args) == 0)
					Flush (format);
				else
				{
					TLSLog::Format (format, args...);
					TLSFlush (CSystemLog::STY_DEBUG);
				}
			}


			template <typename... Args>
			static void Log (const std::string & format, Args... args)
			{
				if (LogLevel () > 1)  return;

				if (sizeof...(args) == 0)
					Flush (format.c_str ());
				else
				{
					TLSLog::Format (format.c_str (), args...);
					TLSFlush (CSystemLog::STY_DEBUG);
				}
			}

			template <typename... Args>
			static void Info (const std::string & format, Args... args)
			{
				if (LogLevel () > 2)  return;

				if (sizeof...(args) == 0)
					Flush (format);
				else
				{
					TLSLog::Format (format.c_str (), args...);
					TLSFlush (CSystemLog::STY_INFO);
				}
			}

			template <typename... Args>
			static void Warning (const std::string & format, Args... args)
			{
				if (LogLevel () > 3)  return;

				TLSLog::Format (format.c_str (), args...);
				TLSFlush (CSystemLog::STY_WARNING);
			}

			template <typename... Args>
			static void Error (const std::string & format, Args... args)
			{
				if (LogLevel () > 4)  return;

				TLSLog::Format (format.c_str (), args...);
				TLSFlush (CSystemLog::STY_ERROR);
			}

			template <typename... Args>
			static void Fatal (const std::string & format, Args... args)
			{
				if (LogLevel () > 5)  return;

				TLSLog::Format (format.c_str (), args...);
				TLSFlush (CSystemLog::STY_CRITICAL);
			}

			//	忽略级别, 无条件输出日志. 常用于组件启动时的版本/构建等信息
			template <typename... Args>
			static void Force (const std::string & format, Args... args)
			{
				if (sizeof...(args) == 0)
					Flush (format);
				else
				{
					TLSLog::Format (format.c_str (), args...);
					TLSFlush (CSystemLog::STY_DEBUG);
				}
			}


			static DString ErrorCodeToString (DWORD errorCode)
			{
				DString rc;
	
				const int nPreAlloc = 2048;
				rc.GetBuffer (nPreAlloc);
	
				if (errorCode == 0)
					errorCode = GetLastError ();
	
				rc._XAppendFormat ("<Error Code : {$} (0x{$:x})> = ", errorCode, errorCode);
	
				int nCurrentLength = rc.GetLength ();
				char * pszBuffer = rc.GetBuffer (1);
				pszBuffer += nCurrentLength;
				int nAppendLength = nPreAlloc - nCurrentLength;
	
				::FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM,
					NULL,
					errorCode, // GetLastError (),
					MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT),
					(LPTSTR) pszBuffer,
					nAppendLength,
					NULL);
	
				rc.TrimRight ();		//	删除尾部的回车
				rc.ReleaseBuffer ();
	
				return std::move (rc);

			}

		};
	}
}