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/*****************************************************************************
Copyright (c) 2006 EMC Corporation.
Copyright (c) 2011 Factor-SPE
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.
The full GNU General Public License is included in this distribution in the
file called LICENSE.
Authors: Srinivas Aji <Aji_Srinivas@emc.com>
Authors: Vitalii Demianets <dvitasgs@gmail.com>
******************************************************************************/
#ifndef LOG_H
#define LOG_H
#include <stdio.h>
#include <stdarg.h>
#define LOG_LEVEL_NONE 0
#define LOG_LEVEL_ERROR 1
#define LOG_LEVEL_INFO 2
#define LOG_LEVEL_DEBUG 3
#define LOG_LEVEL_STATE_MACHINE_TRANSITION 4
#ifdef DEBUG
#define LOG_LEVEL_MAX 100
#else
#define LOG_LEVEL_MAX LOG_LEVEL_INFO
#endif
#define LOG_LEVEL_DEFAULT LOG_LEVEL_ERROR
extern void Dprintf(int level, const char *fmt, ...);
extern int log_level;
#define PRINT(_level, _fmt, _args...) \
({ \
if ((_level) <= LOG_LEVEL_MAX) \
Dprintf(_level, _fmt, ##_args); \
})
#define TSTM(x, y, _fmt, _args...) \
do if(!(x)) \
{ \
PRINT(LOG_LEVEL_ERROR, "Error in %s at %s:%d verifying %s. " _fmt, \
__PRETTY_FUNCTION__, __FILE__, __LINE__, #x, ##_args); \
return y; \
} while (0)
#define TST(x, y) TSTM(x, y, "")
#define LOG(_fmt, _args...) \
PRINT(LOG_LEVEL_DEBUG, "%s: " _fmt, __PRETTY_FUNCTION__, ##_args)
#define INFO(_fmt, _args...) \
PRINT(LOG_LEVEL_INFO, "%s: " _fmt, __PRETTY_FUNCTION__, ##_args)
#define ERROR(_fmt, _args...) \
PRINT(LOG_LEVEL_ERROR, "%s: " _fmt, __PRETTY_FUNCTION__, ##_args)
static inline void dump_hex(void *b, int l)
{
unsigned char *buf = b;
char logbuf[80];
int i, j;
for (i = 0; i < l; i += 16) {
for (j = 0; j < 16 && i + j < l; ++j)
sprintf(logbuf + j * 3, " %02x", buf[i + j]);
PRINT(LOG_LEVEL_INFO, "%s", logbuf);
}
PRINT(LOG_LEVEL_INFO, "\n");
}
#endif /* LOG_H */
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