openldap/libraries/liblber/debug.c
2003-01-19 14:03:11 +00:00

324 lines
6.5 KiB
C

/* $OpenLDAP$ */
/*
* Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include "portable.h"
#include <stdio.h>
#include <ac/stdarg.h>
#include <ac/stdlib.h>
#include <ac/string.h>
#include <ac/time.h>
#include <ac/ctype.h>
#ifdef LDAP_SYSLOG
#include <ac/syslog.h>
#endif
#include "ldap_log.h"
#include "ldap_defaults.h"
#include "lber.h"
#include "ldap_pvt.h"
struct DEBUGLEVEL
{
char *subsystem;
int level;
};
int ldap_loglevels[LDAP_SUBSYS_NUM];
static FILE *log_file = NULL;
static int global_level = 0;
#ifdef LDAP_SYSLOG
static int use_syslog = 0;
static int debug2syslog(int l) {
switch (l) {
case LDAP_LEVEL_EMERG: return LOG_EMERG;
case LDAP_LEVEL_ALERT: return LOG_ALERT;
case LDAP_LEVEL_CRIT: return LOG_CRIT;
case LDAP_LEVEL_ERR: return LOG_ERR;
case LDAP_LEVEL_WARNING: return LOG_WARNING;
case LDAP_LEVEL_NOTICE: return LOG_NOTICE;
case LDAP_LEVEL_INFO: return LOG_INFO;
}
return LOG_DEBUG;
}
#endif
static char *lutil_levels[] = {"emergency", "alert", "critical",
"error", "warning", "notice",
"information", "entry", "args",
"results", "detail1", "detail2",
NULL};
static char *lutil_subsys[LDAP_SUBSYS_NUM] = {"global","operation", "transport",
"connection", "filter", "ber",
"config", "acl", "cache", "index",
"ldif", "tools", "slapd", "slurpd",
"backend", "back_bdb", "back_ldbm",
"back_ldap", "back_meta", "back_mon" };
int lutil_mnem2subsys( const char *subsys )
{
int i;
for( i = 0; i < LDAP_SUBSYS_NUM; i++ )
{
if ( !strcasecmp( subsys, lutil_subsys[i] ) )
{
return i;
}
}
return -1;
}
void lutil_set_all_backends( int level )
{
int i;
for( i = 0; i < LDAP_SUBSYS_NUM; i++ )
{
if ( !strncasecmp( "back_", lutil_subsys[i], strlen("back_") ) )
{
ldap_loglevels[i] = level;
}
}
}
int lutil_mnem2level( const char *level )
{
int i;
for( i = 0; lutil_levels[i] != NULL; i++ )
{
if ( !strcasecmp( level, lutil_levels[i] ) )
{
return i;
}
}
return -1;
}
static int addSubsys( const char *subsys, int level )
{
int subsys_num;
if ( !strcasecmp( subsys, "backend" ) )
{
lutil_set_all_backends( level );
return level;
}
else
{
subsys_num = lutil_mnem2subsys(subsys);
if(subsys_num < 0)
{
fprintf(stderr, "Unknown Subsystem name [ %s ] - Discarded\n",
subsys);
fflush(stderr);
return -1;
}
ldap_loglevels[subsys_num] = level;
return level;
}
return -1;
}
int lutil_set_debug_level( const char* subsys, int level )
{
return( addSubsys( subsys, level ) );
}
int lutil_debug_file( FILE *file )
{
log_file = file;
ber_set_option( NULL, LBER_OPT_LOG_PRINT_FILE, file );
return 0;
}
void lutil_log_int(
FILE* file,
const char *subsys, int level,
const char *fmt, va_list vl )
{
#ifdef HAVE_WINSOCK
time_t now;
struct tm *today;
#endif
size_t i;
char * t_subsys;
char * tmp;
t_subsys = strdup(subsys);
for(tmp = t_subsys, i = 0; i < strlen(t_subsys); i++, tmp++)
*tmp = TOUPPER( (unsigned char) *tmp );
#ifdef LDAP_SYSLOG
/* we're configured to use syslog */
if( use_syslog ) {
#ifdef HAVE_VSYSLOG
vsyslog( debug2syslog(level), fmt, vl );
#else
char data[4096];
vsnprintf( data, sizeof(data), fmt, vl );
syslog( debug2syslog(level), data );
#endif
return;
}
#endif
#if 0
#ifdef HAVE_WINSOCK
if( log_file == NULL ) {
log_file = fopen( LDAP_RUNDIR LDAP_DIRSEP "openldap.log", "w" );
if ( log_file == NULL )
log_file = fopen( "openldap.log", "w" );
if ( log_file == NULL )
return;
ber_set_option( NULL, LBER_OPT_LOG_PRINT_FILE, log_file );
}
#endif
#endif
if( file == NULL ) {
/*
* Use stderr unless file was specified via:
* ber_set_option( NULL, LBER_OPT_LOG_PRINT_FILE, file)
*/
file = stderr;
}
#ifdef HAVE_WINSOCK
/*
* Stick the time in the buffer to output when using Winsock
* as NT can't pipe to a timestamp program like Unix can.
* This, of course, makes some logs hard to read.
*/
time( &now );
today = localtime( &now );
fprintf( file, "%4d%02d%02d:%02d:%02d:%02d ",
today->tm_year + 1900, today->tm_mon + 1,
today->tm_mday, today->tm_hour,
today->tm_min, today->tm_sec );
#endif
/*
* format the output data.
*/
fprintf(file, "\n%s:: ", t_subsys );
vfprintf( file, fmt, vl );
fflush( file );
}
/*
* The primary logging routine. Takes the subsystem being logged from, the
* level of the log output and the format and data. Send this on to the
* internal routine with the print file, if any.
*/
void lutil_log( const int subsys, int level, const char *fmt, ... )
{
FILE* outfile = NULL;
va_list vl;
va_start( vl, fmt );
ber_get_option( NULL, LBER_OPT_LOG_PRINT_FILE, &outfile );
lutil_log_int( outfile, lutil_subsys[subsys], level, fmt, vl );
va_end( vl );
}
void lutil_log_initialize(int argc, char **argv)
{
int i;
/*
* Start by setting the hook for the libraries to use this logging
* routine.
*/
ber_set_option( NULL, LBER_OPT_LOG_PROC, (void*)lutil_log_int );
if ( argc == 0 ) return;
/*
* Now go through the command line options to set the debugging
* levels
*/
for( i = 0; i < argc; i++ )
{
char *next = argv[i];
if ( i < argc-1 && next[0] == '-' && next[1] == 'd' )
{
char subsys[64];
int level;
char *optarg = argv[i+1];
char *index = strchr( optarg, '=' );
if ( index != NULL )
{
*index = 0;
strcpy ( subsys, optarg );
level = atoi( index+1 );
if ( level <= 0 ) level = lutil_mnem2level( index + 1 );
lutil_set_debug_level( subsys, level );
*index = '=';
}
else
{
global_level = atoi( optarg );
ldap_loglevels[0] = global_level;
/*
* if a negative number was used, make the global level the
* maximum sane level.
*/
if ( global_level < 0 )
{
global_level = 65535;
ldap_loglevels[0] = 65535;
}
}
}
}
}
void (lutil_debug)( int debug, int level, const char *fmt, ... )
{
char buffer[4096];
va_list vl;
if ( !(level & debug ) )
return;
#ifdef HAVE_WINSOCK
if( log_file == NULL ) {
log_file = fopen( LDAP_RUNDIR LDAP_DIRSEP "openldap.log", "w" );
if ( log_file == NULL )
log_file = fopen( "openldap.log", "w" );
if ( log_file == NULL )
return;
ber_set_option( NULL, LBER_OPT_LOG_PRINT_FILE, log_file );
}
#endif
va_start( vl, fmt );
vsnprintf( buffer, sizeof(buffer), fmt, vl );
buffer[sizeof(buffer)-1] = '\0';
if( log_file != NULL ) {
fputs( buffer, log_file );
fflush( log_file );
}
fputs( buffer, stderr );
va_end( vl );
}