mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-21 03:10:25 +08:00
295 lines
6.2 KiB
C
295 lines
6.2 KiB
C
/* $OpenLDAP$ */
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/*
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* Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <ac/stdarg.h>
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#include <ac/string.h>
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#include <ac/time.h>
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#include "ldap_log.h"
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#include "ldap_defaults.h"
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#include "lber.h"
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struct DEBUGLEVEL
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{
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char *subsystem;
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int level;
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};
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static struct DEBUGLEVEL **levelArray;
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static long numLevels = 0;
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static FILE *log_file = NULL;
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static int global_level = 0;
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#if 0
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#ifdef LDAP_SYSLOG
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static int use_syslog = 0;
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static int debug2syslog(int l) {
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switch (l) {
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/* insert mapping cases here */
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default:
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}
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return LOG_DEBUG
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}
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#endif
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#endif
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static char *lutil_levels[] = {"emergency", "alert", "critical",
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"error", "warning", "notice",
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"information", "entry", "args",
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"results", "detail1", "detail2",
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NULL};
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int lutil_mnem2level( char *level )
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{
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int i;
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for( i = 0; lutil_levels[i] != NULL; i++ )
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{
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if ( !strcasecmp( level, lutil_levels[i] ) )
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{
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return i;
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}
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}
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return 0;
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}
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static void addSubsys( const char *subsys, int level )
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{
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int i, j;
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if ( !strcasecmp( subsys, "global") ) global_level = level;
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for( i = 0; i < numLevels; i++ )
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{
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if ( levelArray[i] == NULL )
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{
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levelArray[i] = (struct DEBUGLEVEL*)ber_memalloc( sizeof( struct DEBUGLEVEL ) );
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levelArray[i]->subsystem = (char*)ber_memalloc( strlen( subsys ) + 1 );
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strcpy ( levelArray[i]->subsystem, subsys );
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levelArray[i]->level = level;
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return;
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}
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if( !strcasecmp( subsys, levelArray[i]->subsystem ) )
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{
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levelArray[i]->level = level;
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return;
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}
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}
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levelArray = (struct DEBUGLEVEL**)ber_memrealloc( levelArray, sizeof( struct DEBUGLEVEL* ) * (numLevels + 10) );
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for( j = numLevels; j < (numLevels + 10); j++ )
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{
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levelArray[j] = NULL;
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}
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numLevels += 10;
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levelArray[i] = (struct DEBUGLEVEL*)ber_memalloc( sizeof( struct DEBUGLEVEL ) );
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levelArray[i]->subsystem = (char*)ber_memalloc( strlen( subsys ) + 1 );
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strcpy( levelArray[i]->subsystem, subsys );
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levelArray[i]->level = level;
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return;
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}
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void lutil_set_debug_level( char* subsys, int level )
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{
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addSubsys( subsys, level );
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}
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int lutil_debug_file( FILE *file )
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{
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log_file = file;
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ber_set_option( NULL, LBER_OPT_LOG_PRINT_FILE, file );
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return 0;
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}
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void lutil_log_int(
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FILE* file,
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char *subsys, int level,
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const char *fmt, va_list vl )
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{
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time_t now;
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struct tm *today;
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int i;
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if ( levelArray == NULL ) return; /* logging isn't set up */
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/*
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* Look for the subsystem in the level array. When we find it,
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* break out of the loop.
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*/
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for( i = 0; i < numLevels; i++ ) {
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if ( levelArray[i] == NULL ) break;
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if ( ! strcasecmp( levelArray[i]->subsystem, subsys ) ) break;
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}
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/*
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* If we didn't find the subsystem, or the set level is less than
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* the requested output level, don't output it.
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*/
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if ( (level > global_level) &&
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((i > numLevels ) || (levelArray[i] == NULL) || ( level > levelArray[i]->level )) )
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{
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return;
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}
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#if 0
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#ifdef LDAP_SYSLOG
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/* we're configured to use syslog */
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if( use_syslog ) {
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vsyslog( debug2syslog(level), fmt, vl );
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return;
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}
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#endif
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#endif
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#if 0
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#ifdef HAVE_WINSOCK
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if( log_file == NULL ) {
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log_file = fopen( LDAP_RUNDIR LDAP_DIRSEP "openldap.log", "w" );
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if ( log_file == NULL )
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log_file = fopen( "openldap.log", "w" );
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if ( log_file == NULL )
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return;
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ber_set_option( NULL, LBER_OPT_LOG_PRINT_FILE, log_file );
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}
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#endif
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#endif
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if( file == NULL ) {
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/*
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* Use stderr unless file was specified via:
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* ber_set_option( NULL, LBER_OPT_LOG_PRINT_FILE, file)
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*/
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file = stderr;
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}
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#ifdef HAVE_WINSOCK
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/*
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* Stick the time in the buffer to output when using Winsock
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* as NT can't pipe to a timestamp program like Unix can.
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* This, of course, makes some logs hard to read.
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*/
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time( &now );
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today = localtime( &now );
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fprintf( file, "%4d%02d%02d:%02d:%02d:%02d ",
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today->tm_year + 1900, today->tm_mon + 1,
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today->tm_mday, today->tm_hour,
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today->tm_min, today->tm_sec );
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#endif
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/*
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* format the output data.
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*/
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vfprintf( file, fmt, vl );
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}
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/*
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* The primary logging routine. Takes the subsystem being logged from, the
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* level of the log output and the format and data. Send this on to the
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* internal routine with the print file, if any.
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*/
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void lutil_log( char *subsys, int level, const char *fmt, ... )
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{
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FILE* outfile = NULL;
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va_list vl;
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va_start( vl, fmt );
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ber_get_option( NULL, LBER_OPT_LOG_PRINT_FILE, &outfile );
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lutil_log_int( outfile, subsys, level, fmt, vl );
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va_end( vl );
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}
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void lutil_log_initialize(int argc, char **argv)
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{
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int i;
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/*
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* Start by setting the hook for the libraries to use this logging
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* routine.
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*/
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ber_set_option( NULL, LBER_OPT_LOG_PROC, (void*)lutil_log_int );
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if ( argc == 0 ) return;
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/*
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* Now go through the command line options to set the debugging
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* levels
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*/
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for( i = 0; i < argc; i++ )
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{
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char *next = argv[i];
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if ( i < argc-1 && next[0] == '-' && next[1] == 'd' )
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{
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char subsys[64];
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int level;
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char *optarg = argv[i+1];
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char *index = strchr( optarg, '=' );
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if ( index != NULL )
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{
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*index = 0;
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strcpy ( subsys, optarg );
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level = atoi( index+1 );
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if ( level <= 0 ) level = lutil_mnem2level( index + 1 );
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lutil_set_debug_level( subsys, level );
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*index = '=';
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}
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else
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{
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global_level = atoi( optarg );
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/*
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* if a negative number was used, make the global level the
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* maximum sane level.
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*/
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if ( global_level < 0 ) global_level = 65535;
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}
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}
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}
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}
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void (lutil_debug)( int debug, int level, const char *fmt, ... )
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{
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char buffer[4096];
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va_list vl;
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if ( !(level & debug ) )
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return;
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#ifdef HAVE_WINSOCK
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if( log_file == NULL ) {
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log_file = fopen( LDAP_RUNDIR LDAP_DIRSEP "openldap.log", "w" );
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if ( log_file == NULL )
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log_file = fopen( "openldap.log", "w" );
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if ( log_file == NULL )
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return;
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ber_set_option( NULL, LBER_OPT_LOG_PRINT_FILE, log_file );
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}
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#endif
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va_start( vl, fmt );
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#ifdef HAVE_VSNPRINTF
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vsnprintf( buffer, sizeof(buffer), fmt, vl );
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#else
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vsprintf( buffer, fmt, vl );
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#endif
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buffer[sizeof(buffer)-1] = '\0';
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if( log_file != NULL ) {
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fputs( buffer, log_file );
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fflush( log_file );
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}
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fputs( buffer, stderr );
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va_end( vl );
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}
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