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/** BEGIN COPYRIGHT BLOCK
* 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; version 2 of the License.
*
* 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.
*
* In addition, as a special exception, Red Hat, Inc. gives You the additional
* right to link the code of this Program with code not covered under the GNU
* General Public License ("Non-GPL Code") and to distribute linked combinations
* including the two, subject to the limitations in this paragraph. Non-GPL Code
* permitted under this exception must only link to the code of this Program
* through those well defined interfaces identified in the file named EXCEPTION
* found in the source code files (the "Approved Interfaces"). The files of
* Non-GPL Code may instantiate templates or use macros or inline functions from
* the Approved Interfaces without causing the resulting work to be covered by
* the GNU General Public License. Only Red Hat, Inc. may make changes or
* additions to the list of Approved Interfaces. You must obey the GNU General
* Public License in all respects for all of the Program code and other code used
* in conjunction with the Program except the Non-GPL Code covered by this
* exception. If you modify this file, you may extend this exception to your
* version of the file, but you are not obligated to do so. If you do not wish to
* provide this exception without modification, you must delete this exception
* statement from your version and license this file solely under the GPL without
* exception.
*
*
* Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
* Copyright (C) 2005 Red Hat, Inc.
* All rights reserved.
* END COPYRIGHT BLOCK **/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
/***********************************************************************
* log.h
*
* structures related to logging facility.
*
*************************************************************************/
#include <stdio.h>
#ifdef LINUX
#define _XOPEN_SOURCE /* glibc2 needs this */
#define __USE_XOPEN
#endif
#include <time.h>
#include <stdarg.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifndef _WIN32
#include <errno.h>
#ifdef LINUX
#include <sys/statfs.h>
#else
#include <sys/statvfs.h>
#endif
#endif
#include <fcntl.h>
#include "prio.h"
#include "prprf.h"
#include "slap.h"
#include "slapi-plugin.h"
#define LOG_MB_IN_BYTES (1024 * 1024)
#define LOG_SUCCESS 0 /* fine & dandy */
#define LOG_CONTINUE LOG_SUCCESS
#define LOG_ERROR 1 /* default error case */
#define LOG_EXCEEDED 2 /*err: > max logs allowed */
#define LOG_ROTATE 3 /*ok; go to the next log */
#define LOG_UNABLE_TO_OPENFILE 4
#define LOG_DONE 5
#define LOG_UNIT_UNKNOWN 0
#define LOG_UNIT_MONTHS 1
#define LOG_UNIT_WEEKS 2
#define LOG_UNIT_DAYS 3
#define LOG_UNIT_HOURS 4
#define LOG_UNIT_MINS 5
#define LOGFILE_NEW 0
#define LOGFILE_REOPENED 1
#define LOG_UNIT_TYPE_UNKNOWN "unknown"
#define LOG_UNIT_TYPE_MONTHS "month"
#define LOG_UNIT_TYPE_WEEKS "week"
#define LOG_UNIT_TYPE_DAYS "day"
#define LOG_UNIT_TYPE_HOURS "hour"
#define LOG_UNIT_TYPE_MINUTES "minute"
#define LOG_BUFFER_MAXSIZE 512 * 1024
#define PREVLOGFILE "Previous Log File:"
/* see log.c for why this is done */
#ifdef XP_WIN32
typedef FILE *LOGFD;
#else
typedef PRFileDesc *LOGFD;
#endif
struct logfileinfo {
int l_size; /* size is in KB */
time_t l_ctime; /* log creation time*/
struct logfileinfo *l_next; /* next log */
};
typedef struct logfileinfo LogFileInfo;
struct logbufinfo {
char *top; /* beginning of the buffer */
char *current; /* current pointer into buffer */
size_t maxsize; /* size of buffer */
PRLock *lock; /* lock for access logging */
PRInt32 refcount; /* Reference count for buffer copies */
};
typedef struct logbufinfo LogBufferInfo;
struct logging_opts {
/* These are access log specific */
int log_access_state;
int log_access_mode; /* access mode */
int log_access_maxnumlogs; /* Number of logs */
int log_access_maxlogsize; /* max log size in bytes*/
int log_access_rotationtime; /* time in units. */
int log_access_rotationunit; /* time in units. */
int log_access_rotationtime_secs; /* time in seconds */
int log_access_rotationsync_enabled;/* 0 or 1*/
int log_access_rotationsynchour; /* 0-23 */
int log_access_rotationsyncmin; /* 0-59 */
time_t log_access_rotationsyncclock; /* clock in seconds */
int log_access_maxdiskspace; /* space in bytes */
int log_access_minfreespace; /* free space in bytes */
int log_access_exptime; /* time */
int log_access_exptimeunit; /* unit time */
int log_access_exptime_secs; /* time in secs */
int log_access_level; /* access log level */
char *log_access_file; /* access log file path */
LOGFD log_access_fdes; /* fp for the cur access log */
unsigned int log_numof_access_logs; /* number of logs */
time_t log_access_ctime; /* log creation time */
LogFileInfo *log_access_logchain; /* all the logs info */
char *log_accessinfo_file; /* access log rotation info file */
LogBufferInfo *log_access_buffer; /* buffer for access log */
/* These are error log specific */
int log_error_state;
int log_error_mode; /* access mode */
int log_error_maxnumlogs; /* Number of logs */
int log_error_maxlogsize; /* max log size in bytes*/
int log_error_rotationtime; /* time in units. */
int log_error_rotationunit; /* time in units. */
int log_error_rotationtime_secs; /* time in seconds */
int log_error_rotationsync_enabled;/* 0 or 1*/
int log_error_rotationsynchour; /* 0-23 */
int log_error_rotationsyncmin; /* 0-59 */
time_t log_error_rotationsyncclock; /* clock in seconds */
int log_error_maxdiskspace; /* space in bytes */
int log_error_minfreespace; /* free space in bytes */
int log_error_exptime; /* time */
int log_error_exptimeunit; /* unit time */
int log_error_exptime_secs; /* time in secs */
char *log_error_file; /* error log file path */
LOGFD log_error_fdes; /* fp for the cur error log */
unsigned int log_numof_error_logs; /* number of logs */
time_t log_error_ctime; /* log creation time */
LogFileInfo *log_error_logchain; /* all the logs info */
char *log_errorinfo_file; /* error log rotation info file */
rwl *log_error_rwlock; /* lock on error*/
/* These are audit log specific */
int log_audit_state;
int log_audit_mode; /* access mode */
int log_audit_maxnumlogs; /* Number of logs */
int log_audit_maxlogsize; /* max log size in bytes*/
int log_audit_rotationtime; /* time in units. */
int log_audit_rotationunit; /* time in units. */
int log_audit_rotationtime_secs; /* time in seconds */
int log_audit_rotationsync_enabled;/* 0 or 1*/
int log_audit_rotationsynchour; /* 0-23 */
int log_audit_rotationsyncmin; /* 0-59 */
time_t log_audit_rotationsyncclock; /* clock in seconds */
int log_audit_maxdiskspace; /* space in bytes */
int log_audit_minfreespace; /* free space in bytes */
int log_audit_exptime; /* time */
int log_audit_exptimeunit; /* unit time */
int log_audit_exptime_secs; /* time in secs */
char *log_audit_file; /* aufit log name */
LOGFD log_audit_fdes; /* audit log fdes */
unsigned int log_numof_audit_logs; /* number of logs */
time_t log_audit_ctime; /* log creation time */
LogFileInfo *log_audit_logchain; /* all the logs info */
char *log_auditinfo_file; /* audit log rotation info file */
rwl *log_audit_rwlock; /* lock on audit*/
};
/* For log_state */
#define LOGGING_ENABLED (int) 0x1 /* logging is enabled */
#define LOGGING_NEED_TITLE 0x2 /* need to write title */
#define LOG_ACCESS_LOCK_READ() PR_Lock(loginfo.log_access_buffer->lock)
#define LOG_ACCESS_UNLOCK_READ() PR_Unlock(loginfo.log_access_buffer->lock)
#define LOG_ACCESS_LOCK_WRITE() PR_Lock(loginfo.log_access_buffer->lock)
#define LOG_ACCESS_UNLOCK_WRITE() PR_Unlock(loginfo.log_access_buffer->lock)
#define LOG_ERROR_LOCK_READ() loginfo.log_error_rwlock->rwl_acquire_read_lock(loginfo.log_error_rwlock)
#define LOG_ERROR_UNLOCK_READ() loginfo.log_error_rwlock->rwl_relinquish_read_lock(loginfo.log_error_rwlock)
#define LOG_ERROR_LOCK_WRITE() loginfo.log_error_rwlock->rwl_acquire_write_lock(loginfo.log_error_rwlock)
#define LOG_ERROR_UNLOCK_WRITE() loginfo.log_error_rwlock->rwl_relinquish_write_lock(loginfo.log_error_rwlock)
#define LOG_AUDIT_LOCK_READ() loginfo.log_audit_rwlock->rwl_acquire_read_lock(loginfo.log_audit_rwlock)
#define LOG_AUDIT_UNLOCK_READ() loginfo.log_audit_rwlock->rwl_relinquish_read_lock(loginfo.log_audit_rwlock)
#define LOG_AUDIT_LOCK_WRITE() loginfo.log_audit_rwlock->rwl_acquire_write_lock(loginfo.log_audit_rwlock)
#define LOG_AUDIT_UNLOCK_WRITE() loginfo.log_audit_rwlock->rwl_relinquish_write_lock(loginfo.log_audit_rwlock)
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