www.pudn.com > DCPlusPlus-src.zip > LogManager.h

/*  
 * Copyright (C) 2001-2004 Jacek Sieka, j_s at telia com 
 * 
 * This program is free software; you can redistribute it and/or modify 
 * it under the terms of the GNU General Public License as published by 
 * the Free Software Foundation; either version 2 of the License, or 
 * (at your option) any later version. 
 * 
 * This program is distributed in the hope that it will be useful, 
 * but WITHOUT ANY WARRANTY; without even the implied warranty of 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
 * GNU General Public License for more details. 
 * 
 * You should have received a copy of the GNU General Public License 
 * along with this program; if not, write to the Free Software 
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 
 */ 
 
#if !defined(AFX_LOGMANAGER_H__73C7E0F5_5C7D_4A2A_827B_53267D0EF4C5__INCLUDED_) 
#define AFX_LOGMANAGER_H__73C7E0F5_5C7D_4A2A_827B_53267D0EF4C5__INCLUDED_ 
 
#if _MSC_VER > 1000 
#pragma once 
#endif // _MSC_VER > 1000 
 
#include "File.h" 
#include "CriticalSection.h" 
#include "Singleton.h" 
#include "TimerManager.h" 
 
class LogManagerListener { 
public: 
	template	struct X { enum { TYPE = I };  }; 
 
	typedef X<0> Message; 
	virtual void on(Message, const string&) throw() { }; 
}; 
 
class LogManager : public Singleton, public Speaker 
{ 
public: 
	void log(const string& area, const string& msg) throw() { 
		Lock l(cs); 
		try { 
			File f(Util::validateFileName(SETTING(LOG_DIRECTORY) + area + ".log"), File::WRITE, File::OPEN | File::CREATE); 
			f.setEndPos(0); 
			f.write(msg + "\r\n"); 
		} catch (const FileException&) { 
			// ... 
		} 
	} 
 
	void logDateTime(const string& area, const string& msg) throw() { 
		log(area, Util::formatTime("%Y-%m-%d %H:%M: ", TimerManager::getInstance()->getTime()) + msg); 
	} 
 
	void message(const string& msg) { 
		if(BOOLSETTING(LOG_SYSTEM)) { 
			log("system", Util::formatTime("%Y-%m-%d %H:%M:%S: ", TimerManager::getInstance()->getTime()) + msg); 
		} 
		fire(LogManagerListener::Message(), msg); 
	} 
 
private: 
	friend class Singleton; 
	CriticalSection cs; 
	 
	LogManager() { }; 
	virtual ~LogManager() { }; 
	 
}; 
 
#define LOG(area, msg) LogManager::getInstance()->log(area, msg) 
#define LOGDT(area, msg) LogManager::getInstance()->logDateTime(area, msg) 
 
#endif // !defined(AFX_LOGMANAGER_H__73C7E0F5_5C7D_4A2A_827B_53267D0EF4C5__INCLUDED_) 
 
/** 
 * @file 
 * $Id: LogManager.h,v 1.12 2004/09/06 12:32:42 arnetheduck Exp $ 
 */