osmo-msc/openbsc/src/debug.c

162 lines
3.8 KiB
C

/* Debugging/Logging support code */
/* (C) 2008 by Harald Welte <laforge@gnumonks.org>
* (C) 2008 by Holger Hans Peter Freyther <zecke@selfish.org>
* All Rights Reserved
*
* 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.
*
*/
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <time.h>
#include <openbsc/debug.h>
unsigned int debug_mask = 0xffffffff & ~(DMI|DMIB);
struct debug_info {
const char *name;
const char *color;
const char *description;
int number;
};
#define DEBUG_CATEGORY(NUMBER, NAME, COLOR, DESCRIPTION) \
{ .name = NAME, .color = COLOR, .description = DESCRIPTION, .number = NUMBER },
#define ARRAY_SIZE(array) (sizeof(array)/sizeof(array[0]))
static const struct debug_info debug_info[] = {
DEBUG_CATEGORY(DRLL, "DRLL", "\033[1;31m", "")
DEBUG_CATEGORY(DCC, "DCC", "\033[1;32m", "")
DEBUG_CATEGORY(DMM, "DMM", "\033[1;33m", "")
DEBUG_CATEGORY(DRR, "DRR", "\033[1;34m", "")
DEBUG_CATEGORY(DRSL, "DRSL", "\033[1;35m", "")
DEBUG_CATEGORY(DNM, "DNM", "\033[1;36m", "")
DEBUG_CATEGORY(DSMS, "DSMS", "\033[1;37m", "")
DEBUG_CATEGORY(DPAG, "DPAG", "\033[1;38m", "")
DEBUG_CATEGORY(DMNCC, "DMNCC","\033[1;39m", "")
DEBUG_CATEGORY(DINP, "DINP", "", "")
DEBUG_CATEGORY(DMI, "DMI", "", "")
DEBUG_CATEGORY(DMIB, "DMIB", "", "")
DEBUG_CATEGORY(DMUX, "DMUX", "", "")
};
static int use_color = 1;
void debug_use_color(int color)
{
use_color = color;
}
static int print_timestamp = 0;
void debug_timestamp(int enable)
{
print_timestamp = enable;
}
/*
* Parse the category mask.
* category1:category2:category3
*/
void debug_parse_category_mask(const char *_mask)
{
unsigned int new_mask = 0;
int i = 0;
char *mask = strdup(_mask);
char *category_token = NULL;
category_token = strtok(mask, ":");
do {
for (i = 0; i < ARRAY_SIZE(debug_info); ++i) {
if (strcasecmp(debug_info[i].name, category_token) == 0)
new_mask |= debug_info[i].number;
}
} while ((category_token = strtok(NULL, ":")));
free(mask);
debug_mask = new_mask;
}
const char* color(int subsys)
{
int i = 0;
for (i = 0; use_color && i < ARRAY_SIZE(debug_info); ++i) {
if (debug_info[i].number == subsys)
return debug_info[i].color;
}
return "";
}
void debugp(unsigned int subsys, char *file, int line, int cont, const char *format, ...)
{
va_list ap;
FILE *outfd = stderr;
if (!(debug_mask & subsys))
return;
va_start(ap, format);
fprintf(outfd, "%s", color(subsys));
if (!cont) {
if (print_timestamp) {
char *timestr;
time_t tm;
tm = time(NULL);
timestr = ctime(&tm);
timestr[strlen(timestr)-1] = '\0';
fprintf(outfd, "%s ", timestr);
}
fprintf(outfd, "<%4.4x> %s:%d ", subsys, file, line);
}
vfprintf(outfd, format, ap);
fprintf(outfd, "\033[0;m");
va_end(ap);
fflush(outfd);
}
static char hexd_buff[4096];
char *hexdump(unsigned char *buf, int len)
{
int i;
char *cur = hexd_buff;
hexd_buff[0] = 0;
for (i = 0; i < len; i++) {
int len_remain = sizeof(hexd_buff) - (cur - hexd_buff);
int rc = snprintf(cur, len_remain, "%02x ", buf[i]);
if (rc <= 0)
break;
cur += rc;
}
hexd_buff[sizeof(hexd_buff)-1] = 0;
return hexd_buff;
}