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log.hh
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log.hh
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/*
* FreeGuard: A Faster Secure Heap Allocator
* Copyright (C) 2017 Sam Silvestro, Hongyu Liu, Corey Crosser,
* Zhiqiang Lin, and Tongping Liu
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* @file log.hh: logging and debug printing macros.
* Color codes from SNAPPLE: http://sourceforge.net/projects/snapple/
* @author Tongping Liu <http://www.cs.utsa.edu/~tongpingliu/>, Charlie Curtsinger
* @author Sam Silvestro <[email protected]>
*/
#ifndef __LOG_HH__
#define __LOG_HH__
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "xdefines.hh"
#ifndef DEBUG_LEVEL
#define DEBUG_LEVEL 0
#endif
#define NORMAL_CYAN "\033[36m"
#define NORMAL_MAGENTA "\033[35m"
#define NORMAL_BLUE "\033[34m"
#define NORMAL_YELLOW "\033[33m"
#define NORMAL_GREEN "\033[32m"
#define NORMAL_RED "\033[31m"
#define BRIGHT_CYAN "\033[1m\033[36m"
#define BRIGHT_MAGENTA "\033[1m\033[35m"
#define BRIGHT_BLUE "\033[1m\033[34m"
#define BRIGHT_YELLOW "\033[1m\033[33m"
#define BRIGHT_GREEN "\033[1m\033[32m"
#define BRIGHT_RED "\033[1m\033[31m"
#define ESC_INF NORMAL_CYAN
#define ESC_DBG NORMAL_GREEN
#define ESC_WRN BRIGHT_YELLOW
#define ESC_ERR BRIGHT_RED
#define ESC_END "\033[0m"
#define OUTPUT write
#ifndef NDEBUG
/**
* Print status-information message: level 0
*/
#define PRINF(fmt, ...) \
{ \
if(DEBUG_LEVEL < 1) { \
::snprintf(getThreadBuffer(), LOG_SIZE, \
ESC_INF "%lx [INFO]: %20s:%-4d: " fmt ESC_END "\n", pthread_self(), \
__FILE__, __LINE__, ##__VA_ARGS__); \
OUTPUT(OUTFD, getThreadBuffer(), strlen(getThreadBuffer())); \
} \
}
/**
* Print status-information message: level 1
*/
#define PRDBG(fmt, ...) \
{ \
if(DEBUG_LEVEL < 2) { \
::snprintf(getThreadBuffer(), LOG_SIZE, \
ESC_DBG "%lx [DBG]: %20s:%-4d: " fmt ESC_END "\n", pthread_self(), \
__FILE__, __LINE__, ##__VA_ARGS__); \
OUTPUT(OUTFD, getThreadBuffer(), strlen(getThreadBuffer())); \
} \
}
/**
* Print warning message: level 2
*/
#define PRWRN(fmt, ...) \
{ \
if(DEBUG_LEVEL < 3) { \
::snprintf(getThreadBuffer(), LOG_SIZE, \
ESC_WRN "%lx [WRN]: %20s:%-4d: " fmt ESC_END "\n", pthread_self(), \
__FILE__, __LINE__, ##__VA_ARGS__); \
OUTPUT(OUTFD, getThreadBuffer(), strlen(getThreadBuffer())); \
} \
}
#else
#define PRINF(fmt, ...)
#define PRDBG(fmt, ...)
#define PRWRN(fmt, ...)
#endif
/**
* Print error message: level 3
*/
#define PRERR(fmt, ...) \
{ \
if(DEBUG_LEVEL < 4) { \
::snprintf(getThreadBuffer(), LOG_SIZE, \
ESC_ERR "%lx [ERR]: %20s:%-4d: " fmt ESC_END "\n", pthread_self(), \
__FILE__, __LINE__, ##__VA_ARGS__); \
OUTPUT(OUTFD, getThreadBuffer(), strlen(getThreadBuffer())); \
} \
}
// Can't be turned off. But we don't want to output those line number information.
#define PRINT(fmt, ...) \
{ \
::snprintf(getThreadBuffer(), LOG_SIZE, BRIGHT_MAGENTA fmt ESC_END "\n", ##__VA_ARGS__); \
OUTPUT(OUTFD, getThreadBuffer(), strlen(getThreadBuffer())); \
}
/**
* Print fatal error message, the program is going to exit.
*/
#define FATAL(fmt, ...) \
{ \
::snprintf(getThreadBuffer(), LOG_SIZE, \
ESC_ERR "%lx [FATALERROR]: %20s:%-4d: " fmt ESC_END "\n", \
pthread_self(), __FILE__, __LINE__, ##__VA_ARGS__); \
OUTPUT(OUTFD, getThreadBuffer(), strlen(getThreadBuffer())); \
exit(-1); \
}
// Check a condition. If false, print an error message and abort
#define REQUIRE(cond, ...) \
if(!(cond)) { \
FATAL(__VA_ARGS__) \
}
#endif