mirror of
https://github.com/kasmtech/KasmVNC.git
synced 2024-11-22 08:04:04 +01:00
123 lines
3.5 KiB
C++
123 lines
3.5 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.
|
|
*/
|
|
|
|
// -=- LogWriter.h - The Log writer class.
|
|
|
|
#ifndef __RFB_LOG_WRITER_H__
|
|
#define __RFB_LOG_WRITER_H__
|
|
|
|
#include <stdarg.h>
|
|
#include <rfb/Logger.h>
|
|
#include <rfb/Configuration.h>
|
|
|
|
#ifdef __GNUC__
|
|
# define __printf_attr(a, b) __attribute__((__format__ (__printf__, a, b)))
|
|
#else
|
|
# define __printf_attr(a, b)
|
|
#endif // __GNUC__
|
|
|
|
// Each log writer instance has a unique textual name,
|
|
// and is attached to a particular Log instance and
|
|
// is assigned a particular log level.
|
|
|
|
#define DEF_LOGFUNCTION(name, level) \
|
|
inline void v##name(const char* fmt, va_list ap) __printf_attr(2, 0) { \
|
|
if (m_log && (level <= m_level)) \
|
|
m_log->write(level, m_name, fmt, ap); \
|
|
} \
|
|
inline void name(const char* fmt, ...) __printf_attr(2, 3) { \
|
|
if (m_log && (level <= m_level)) { \
|
|
va_list ap; va_start(ap, fmt); \
|
|
m_log->write(level, m_name, fmt, ap);\
|
|
va_end(ap); \
|
|
} \
|
|
}
|
|
|
|
namespace rfb {
|
|
|
|
class LogWriter;
|
|
|
|
class LogWriter {
|
|
public:
|
|
LogWriter(const char* name);
|
|
~LogWriter();
|
|
|
|
const char *getName() {return m_name;}
|
|
|
|
void setLog(Logger *logger);
|
|
void setLevel(int level);
|
|
int getLevel(void) { return m_level; }
|
|
|
|
inline void write(int level, const char* format, ...) __printf_attr(3, 4) {
|
|
if (m_log && (level <= m_level)) {
|
|
va_list ap;
|
|
va_start(ap, format);
|
|
m_log->write(level, m_name, format, ap);
|
|
va_end(ap);
|
|
}
|
|
}
|
|
|
|
static const int LEVEL_ERROR = 0;
|
|
static const int LEVEL_STATUS = 10;
|
|
static const int LEVEL_INFO = 30;
|
|
static const int LEVEL_DEBUG = 100;
|
|
|
|
DEF_LOGFUNCTION(error, LEVEL_ERROR)
|
|
DEF_LOGFUNCTION(status, LEVEL_STATUS)
|
|
DEF_LOGFUNCTION(info, LEVEL_INFO)
|
|
DEF_LOGFUNCTION(debug, LEVEL_DEBUG)
|
|
|
|
// -=- DIAGNOSTIC & HELPER ROUTINES
|
|
|
|
static void listLogWriters(int width=79);
|
|
|
|
// -=- CLASS FIELDS & FUNCTIONS
|
|
|
|
static LogWriter* log_writers;
|
|
|
|
static LogWriter* getLogWriter(const char* name);
|
|
|
|
static bool setLogParams(const char* params);
|
|
|
|
private:
|
|
const char* m_name;
|
|
int m_level;
|
|
Logger* m_log;
|
|
LogWriter* m_next;
|
|
};
|
|
|
|
class LogParameter : public StringParameter {
|
|
public:
|
|
LogParameter();
|
|
virtual bool setParam(const char* v);
|
|
|
|
// Call this to set a suitable default value.
|
|
// Can't use the normal default mechanism for
|
|
// this because there is no guarantee on C++
|
|
// constructor ordering - some LogWriters may
|
|
// not exist when LogParameter gets constructed.
|
|
// NB: The default value must exist for the
|
|
// lifetime of the process!
|
|
void setDefault(const char* v);
|
|
};
|
|
extern LogParameter logParams;
|
|
|
|
};
|
|
|
|
#endif // __RFB_LOG_WRITER_H__
|