KasmVNC/common/rfb/Logger.h
2020-09-20 12:16:44 +00:00

77 lines
1.9 KiB
C++

/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
*
* This 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 software 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 software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
// -=- Logger.h - The Logger class.
#ifndef __RFB_LOGGER_H__
#define __RFB_LOGGER_H__
#include <stdarg.h>
#include <stdio.h>
// Each log writer instance has a unique textual name,
// and is attached to a particular Logger instance and
// is assigned a particular log level.
#ifdef __GNUC__
# define __printf_attr(a, b) __attribute__((__format__ (__printf__, a, b)))
#else
# define __printf_attr(a, b)
#endif // __GNUC__
namespace rfb {
class Logger {
public:
// -=- Create / Destroy a logger
Logger(const char* name);
virtual ~Logger();
// -=- Get the name of a logger
const char *getName() {return m_name;}
// -=- Write data to a log
virtual void write(int level, const char *logname, const char *text) = 0;
void write(int level, const char *logname, const char* format, va_list ap) __printf_attr(4, 0);
// -=- Register a logger
void registerLogger();
// -=- CLASS FIELDS & FUNCTIONS
static Logger* loggers;
static Logger* getLogger(const char* name);
static void listLoggers();
private:
bool registered;
const char *m_name;
Logger *m_next;
};
};
#endif // __RFB_LOGGER_H__