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/*
* Copyright (c) 2000-2001 Silicon Graphics, Inc.
* 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.
*
* This program is distributed in the hope that it would 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 the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef MLOG_H
#define MLOG_H
/* mlog.[hc] - message logging abstraction
*/
#include <stdarg.h>
#include "types.h"
/* defined log levels - msg will be logged only if cmdline -v arg
* is greater than or equal to its level.
*/
#define MLOG_NORMAL 0 /* OLD */
#define MLOG_SILENT 0 /* NEW */
#define MLOG_VERBOSE 1
#define MLOG_TRACE 2
#define MLOG_DEBUG 3
#define MLOG_NITTY 4
#define MLOG_LEVELMASK 0xff
/* modifier flags for the level - only the first is generally exported
*/
#define MLOG_BARE 0x010000 /* don't print preamble */
#define MLOG_NOTE 0x020000 /* use NOTE format */
#define MLOG_WARNING 0x040000 /* use WARNING format */
#define MLOG_ERROR 0x080000 /* use ERROR format */
#define MLOG_NOLOCK 0x100000 /* do not attempt to obtain mlog lock */
/* subsystem ids: allows per-subsystem control of log level.
* use to index mlog_level_ss.
*/
#define MLOG_SS_GEN 0 /* default if no subsystem specified */
#define MLOG_SS_PROC 1 /* process/thread-related */
#define MLOG_SS_DRIVE 2 /* I/O-related */
#define MLOG_SS_MEDIA 3 /* media-related */
#define MLOG_SS_INV 4 /* media inventory */
#ifdef DUMP
#define MLOG_SS_INOMAP 5 /* dump inode number map */
#endif /* DUMP */
#ifdef RESTORE
#define MLOG_SS_TREE 5 /* restore tree */
#endif /* RESTORE */
#define MLOG_SS_EXCLFILES 6 /* list excluded files */
#define MLOG_SS_CNT 7 /* NOTE! bump this when adding ss */
#define MLOG_SS_SHIFT 8
#define MLOG_SS_MASK (0xff << MLOG_SS_SHIFT)
/* subsystem flags - NOTE! only one may be specified! use in mlog(first arg)
*/
#define MLOG_ALL (MLOG_SS_GEN << MLOG_SS_SHIFT)
#define MLOG_PROC (MLOG_SS_PROC << MLOG_SS_SHIFT)
#define MLOG_DRIVE (MLOG_SS_DRIVE << MLOG_SS_SHIFT)
#define MLOG_MEDIA (MLOG_SS_MEDIA << MLOG_SS_SHIFT)
#define MLOG_INV (MLOG_SS_INV << MLOG_SS_SHIFT)
#ifdef DUMP
#define MLOG_INOMAP (MLOG_SS_INOMAP << MLOG_SS_SHIFT)
#endif /* DUMP */
#ifdef RESTORE
#define MLOG_TREE (MLOG_SS_TREE << MLOG_SS_SHIFT)
#endif /* RESTORE */
#define MLOG_EXCLFILES (MLOG_SS_EXCLFILES << MLOG_SS_SHIFT)
/* mlog_level - set during initialization, exported to facilitate
* message logging decisions. one per subsystem (see above)
*/
extern int mlog_level_ss[MLOG_SS_CNT];
/* made external so main.c sigint dialog can change
*/
extern int mlog_showlevel;
extern int mlog_showss;
extern int mlog_timestamp;
/* mlog_ss_name - so main.c sigint dialog can allow changes
*/
extern char *mlog_ss_names[MLOG_SS_CNT];
/* initializes the mlog abstraction. split into two phases to
* unravel some initialization sequencing problems.
*/
extern void mlog_init0(void);
extern bool_t mlog_init1(int argc, char *argv[]);
extern bool_t mlog_init2(void);
/* post-initialization, to tell mlog how many streams
*/
extern void mlog_tell_streamcnt(size_t streamcnt);
/* override the -v option
*/
void mlog_override_level(int levelarg);
/* vprintf-based message format
*/
extern void mlog(int level, char *fmt, ...);
extern void mlog_va(int levelarg, char *fmt, va_list args);
#define mlog_exit(e, r) _mlog_exit(__FILE__, __LINE__, (e), (r))
extern int _mlog_exit(const char *file, int line, int exit_code, rv_t return_code);
#define mlog_exit_hint(r) _mlog_exit_hint(__FILE__, __LINE__, (r))
extern void _mlog_exit_hint(const char *file, int line, rv_t rv);
extern rv_t mlog_get_hint(void);
extern void mlog_exit_flush(void);
/* the following calls are exported ONLY to dlog.c!
*/
extern void mlog_lock(void);
extern void mlog_unlock(void);
/* fold_t - a character string made to look like a "fold here"
*/
#define FOLD_LEN 79
typedef char fold_t[FOLD_LEN + 1];
extern void fold_init(fold_t fold, char *infostr, char c);
#endif /* MLOG_H */
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