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kamailio/dprint.c

371 lines
8.0 KiB

/*
* $Id$
*
* debug print
*
*
* Copyright (C) 2001-2003 FhG Fokus
*
* This file is part of ser, a free SIP server.
*
* ser 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
*
* For a license to use the ser software under conditions
* other than those described here, or to purchase support for this
* software, please contact iptel.org by e-mail at the following addresses:
* info@iptel.org
*
* ser 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
*/
/*!
* \file
* \brief SIP-router core ::
* \ingroup core
* Module: \ref core
*/
#include "globals.h"
#include "dprint.h"
#include <stdarg.h>
#include <stdio.h>
#include <strings.h>
#ifndef NO_SIG_DEBUG
/* signal protection: !=0 when LOG/DBG/... are printing */
volatile int dprint_crit = 0;
#endif
static char* str_fac[]={"LOG_AUTH","LOG_CRON","LOG_DAEMON",
"LOG_KERN","LOG_LOCAL0","LOG_LOCAL1",
"LOG_LOCAL2","LOG_LOCAL3","LOG_LOCAL4","LOG_LOCAL5",
"LOG_LOCAL6","LOG_LOCAL7","LOG_LPR","LOG_MAIL",
"LOG_NEWS","LOG_USER","LOG_UUCP",
#ifndef __OS_solaris
"LOG_AUTHPRIV","LOG_FTP","LOG_SYSLOG",
#endif
0};
static int int_fac[]={LOG_AUTH , LOG_CRON , LOG_DAEMON ,
LOG_KERN , LOG_LOCAL0 , LOG_LOCAL1 ,
LOG_LOCAL2 , LOG_LOCAL3 , LOG_LOCAL4 , LOG_LOCAL5 ,
LOG_LOCAL6 , LOG_LOCAL7 , LOG_LPR , LOG_MAIL ,
LOG_NEWS , LOG_USER , LOG_UUCP,
#ifndef __OS_solaris
LOG_AUTHPRIV,LOG_FTP,LOG_SYSLOG,
#endif
0};
struct log_level_info log_level_info[] = {
{"ALERT", LOG_ALERT}, /* L_ALERT */
{"BUG", LOG_CRIT}, /* L_BUG */
{"CRITICAL", LOG_CRIT}, /* L_CRIT2 */
{"", LOG_CRIT}, /* L_CRIT */
{"ERROR", LOG_ERR}, /* L_ERR */
{"WARNING", LOG_WARNING}, /* L_WARN */
{"NOTICE", LOG_NOTICE}, /* L_NOTICE */
{"INFO", LOG_INFO}, /* L_INFO */
{"DEBUG", LOG_DEBUG} /* L_DBG */
};
int str2facility(char *s)
{
int i;
for( i=0; str_fac[i] ; i++) {
if (!strcasecmp(s,str_fac[i]))
return int_fac[i];
}
return -1;
}
/* fixup function for log_facility cfg parameter */
int log_facility_fixup(void *handle, str *gname, str *name, void **val)
{
int i;
if ((i = str2facility((char *)*val)) == -1) {
LOG(L_ERR, "log_facility_fixup: invalid log facility: %s\n",
(char *)*val);
return -1;
}
*val = (void *)(long)i;
return 0;
}
/**
* per process debug log level (local)
*/
/* value for unset local log level */
#define UNSET_LOCAL_DEBUG_LEVEL -255
/* the local debug log level */
static int _local_debug_level = UNSET_LOCAL_DEBUG_LEVEL;
/* callback to get per module debug level */
static get_module_debug_level_f _module_debug_level = NULL;
/**
* @brief set callback function for per module debug level
*/
void set_module_debug_level_cb(get_module_debug_level_f f)
{
_module_debug_level = f;
}
/**
* @brief return the log level - the local one if it set,
* otherwise the global value
*/
int get_debug_level(char *mname, int mnlen) {
int mlevel = L_DBG;
/*important -- no LOGs inside, because it will loop */
if(unlikely(_module_debug_level!=NULL && mnlen>0)) {
if(_module_debug_level(mname, mnlen, &mlevel)==0) {
return mlevel;
}
}
return (_local_debug_level != UNSET_LOCAL_DEBUG_LEVEL) ?
_local_debug_level : cfg_get(core, core_cfg, debug);
}
/**
* @brief set the local debug log level
*/
void set_local_debug_level(int level)
{
_local_debug_level = level;
}
/**
* @brief reset the local debug log level
*/
void reset_local_debug_level(void)
{
_local_debug_level = UNSET_LOCAL_DEBUG_LEVEL;
}
typedef struct log_level_color {
char f;
char b;
} log_level_color_t;
log_level_color_t _log_level_colors[L_MAX - L_MIN + 1];
void dprint_init_colors(void)
{
int i;
i = 0;
memset(_log_level_colors, 0,
(L_MAX - L_MIN + 1)*sizeof(log_level_color_t));
/* L_ALERT */
_log_level_colors[i].f = 'R'; /* default */
_log_level_colors[i].b = 'x'; /* default */
i++;
/* L_BUG */
_log_level_colors[i].f = 'P'; /* default */
_log_level_colors[i].b = 'x'; /* default */
i++;
/* L_CRIT2 */
_log_level_colors[i].f = 'y'; /* default */
_log_level_colors[i].b = 'x'; /* default */
i++;
/* L_CRIT */
_log_level_colors[i].f = 'b'; /* default */
_log_level_colors[i].b = 'x'; /* default */
i++;
/* L_ERR */
_log_level_colors[i].f = 'r'; /* default */
_log_level_colors[i].b = 'x'; /* default */
i++;
/* L_WARN */
_log_level_colors[i].f = 'p'; /* default */
_log_level_colors[i].b = 'x'; /* default */
i++;
/* L_NOTICE */
_log_level_colors[i].f = 'g'; /* default */
_log_level_colors[i].b = 'x'; /* default */
i++;
/* L_INFO */
_log_level_colors[i].f = 'c'; /* default */
_log_level_colors[i].b = 'x'; /* default */
i++;
/* L_DBG */
_log_level_colors[i].f = 'x'; /* default */
_log_level_colors[i].b = 'x'; /* default */
i++;
}
#define TERM_COLOR_SIZE 16
#define dprint_termc_add(p, end, s) \
do{ \
if ((p)+(sizeof(s)-1)<=(end)){ \
memcpy((p), s, sizeof(s)-1); \
(p)+=sizeof(s)-1; \
}else{ \
/* overflow */ \
LM_ERR("dprint_termc_add overflow\n"); \
goto error; \
} \
} while(0)
void dprint_term_color(char f, char b, str *obuf)
{
static char term_color[TERM_COLOR_SIZE];
char* p;
char* end;
p = term_color;
end = p + TERM_COLOR_SIZE;
/* excape sequence */
dprint_termc_add(p, end, "\033[");
if(f!='_')
{
if (islower((int)f))
{
/* normal font */
dprint_termc_add(p, end, "0;");
} else {
/* bold font */
dprint_termc_add(p, end, "1;");
f += 32;
}
}
/* foreground */
switch(f)
{
case 'x':
dprint_termc_add(p, end, "39;");
break;
case 's':
dprint_termc_add(p, end, "30;");
break;
case 'r':
dprint_termc_add(p, end, "31;");
break;
case 'g':
dprint_termc_add(p, end, "32;");
break;
case 'y':
dprint_termc_add(p, end, "33;");
break;
case 'b':
dprint_termc_add(p, end, "34;");
break;
case 'p':
dprint_termc_add(p, end, "35;");
break;
case 'c':
dprint_termc_add(p, end, "36;");
break;
case 'w':
dprint_termc_add(p, end, "37;");
break;
default:
dprint_termc_add(p, end, "39;");
}
/* background */
switch(b)
{
case 'x':
dprint_termc_add(p, end, "49");
break;
case 's':
dprint_termc_add(p, end, "40");
break;
case 'r':
dprint_termc_add(p, end, "41");
break;
case 'g':
dprint_termc_add(p, end, "42");
break;
case 'y':
dprint_termc_add(p, end, "43");
break;
case 'b':
dprint_termc_add(p, end, "44");
break;
case 'p':
dprint_termc_add(p, end, "45");
break;
case 'c':
dprint_termc_add(p, end, "46");
break;
case 'w':
dprint_termc_add(p, end, "47");
break;
default:
dprint_termc_add(p, end, "49");
}
/* end */
dprint_termc_add(p, end, "m");
obuf->s = term_color;
obuf->len = p - term_color;
return;
error:
obuf->s = term_color;
term_color[0] = '\0';
obuf->len = 0;
}
void dprint_color(int level)
{
str obuf;
if(level<L_MIN || level>L_MAX)
return;
dprint_term_color(_log_level_colors[level - L_MIN].f,
_log_level_colors[level - L_MIN].b,
&obuf);
fprintf(stderr, "%.*s", obuf.len, obuf.s);
}
void dprint_color_reset(void)
{
str obuf;
dprint_term_color('x', 'x', &obuf);
fprintf(stderr, "%.*s", obuf.len, obuf.s);
}
void dprint_color_update(int level, char f, char b)
{
if(level<L_MIN || level>L_MAX)
return;
if(f && f!='0') _log_level_colors[level - L_MIN].f = f;
if(b && b!='0') _log_level_colors[level - L_MIN].b = b;
}