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NetBSD/sbin/dump/dump.h

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/* $NetBSD: dump.h,v 1.14 1998/03/18 16:54:56 bouyer Exp $ */
/*-
* Copyright (c) 1980, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)dump.h 8.2 (Berkeley) 4/28/95
*/
#define MAXINOPB (MAXBSIZE / sizeof(struct dinode))
#define MAXNINDIR (MAXBSIZE / sizeof(daddr_t))
/*
* Dump maps used to describe what is to be dumped.
*/
int mapsize; /* size of the state maps */
char *usedinomap; /* map of allocated inodes */
char *dumpdirmap; /* map of directories to be dumped */
char *dumpinomap; /* map of files to be dumped */
/*
* Map manipulation macros.
*/
#define SETINO(ino, map) \
map[(u_int)((ino) - 1) / NBBY] |= 1 << ((u_int)((ino) - 1) % NBBY)
#define CLRINO(ino, map) \
map[(u_int)((ino) - 1) / NBBY] &= ~(1 << ((u_int)((ino) - 1) % NBBY))
#define TSTINO(ino, map) \
(map[(u_int)((ino) - 1) / NBBY] & (1 << ((u_int)((ino) - 1) % NBBY)))
/*
* All calculations done in 0.1" units!
*/
char *disk; /* name of the disk file */
char *tape; /* name of the tape file */
char *dumpdates; /* name of the file containing dump date information*/
char *temp; /* name of the file for doing rewrite of dumpdates */
char lastlevel; /* dump level of previous dump */
char level; /* dump level of this dump */
int uflag; /* update flag */
int diskfd; /* disk file descriptor */
int tapefd; /* tape file descriptor */
int pipeout; /* true => output to standard output */
ino_t curino; /* current inumber; used globally */
int newtape; /* new tape flag */
int density; /* density in 0.1" units */
long tapesize; /* estimated tape size, blocks */
long tsize; /* tape size in 0.1" units */
long asize; /* number of 0.1" units written on current tape */
int etapes; /* estimated number of tapes */
int nonodump; /* if set, do not honor UF_NODUMP user flags */
int notify; /* notify operator flag */
int blockswritten; /* number of blocks written on current tape */
int tapeno; /* current tape number */
time_t tstart_writing; /* when started writing the first tape block */
int xferrate; /* averaged transfer rate of all volumes */
struct fs *sblock; /* the file system super block */
char sblock_buf[MAXBSIZE];
long dev_bsize; /* block size of underlying disk device */
int dev_bshift; /* log2(dev_bsize) */
int tp_bshift; /* log2(TP_BSIZE) */
int needswap; /* file system in swapped byte order */
/* some inline functs to help the byte-swapping mess */
static __inline u_int16_t iswap16 __P((u_int16_t));
static __inline u_int32_t iswap32 __P((u_int32_t));
static __inline u_int64_t iswap64 __P((u_int64_t));
static __inline u_int16_t iswap16(x)
u_int16_t x;
{
if (needswap)
return bswap16(x);
else return x;
}
static __inline u_int32_t iswap32(x)
u_int32_t x;
{
if (needswap)
return bswap32(x);
else return x;
}
static __inline u_int64_t iswap64(x)
u_int64_t x;
{
if (needswap)
return bswap64(x);
else return x;
}
#ifndef __P
#include <sys/cdefs.h>
#endif
/* operator interface functions */
void broadcast __P((char *message));
void lastdump __P((int arg)); /* int should be char */
void msg __P((const char *fmt, ...));
void msgtail __P((const char *fmt, ...));
int query __P((char *question));
void quit __P((const char *fmt, ...));
void set_operators __P((void));
time_t do_stats __P((void));
void statussig __P((int));
void timeest __P((void));
time_t unctime __P((char *str));
/* mapping routines */
struct dinode;
long blockest __P((struct dinode *dp));
void mapfileino __P((ino_t, long *, int *));
int mapfiles __P((ino_t maxino, long *tapesize, char *disk,
char * const *dirv));
int mapdirs __P((ino_t maxino, long *tapesize));
/* file dumping routines */
void blksout __P((daddr_t *blkp, int frags, ino_t ino));
void bread __P((daddr_t blkno, char *buf, int size));
void dumpino __P((struct dinode *dp, ino_t ino));
void dumpmap __P((char *map, int type, ino_t ino));
void writeheader __P((ino_t ino));
/* tape writing routines */
int alloctape __P((void));
void close_rewind __P((void));
void dumpblock __P((daddr_t blkno, int size));
void startnewtape __P((int top));
void trewind __P((void));
void writerec __P((char *dp, int isspcl));
void Exit __P((int status));
void dumpabort __P((int signo));
void getfstab __P((void));
char *rawname __P((char *cp));
struct dinode *getino __P((ino_t inum));
/* rdump routines */
#ifdef RDUMP
void rmtclose __P((void));
int rmthost __P((char *host));
int rmtopen __P((char *tape, int mode));
int rmtwrite __P((char *buf, int count));
#endif /* RDUMP */
void interrupt __P((int signo)); /* in case operator bangs on console */
/*
* Exit status codes
*/
#define X_FINOK 0 /* normal exit */
#define X_REWRITE 2 /* restart writing from the check point */
#define X_ABORT 3 /* abort dump; don't attempt checkpointing */
#define OPGRENT "operator" /* group entry to notify */
#define DIALUP "ttyd" /* prefix for dialups */
struct fstab *fstabsearch __P((char *key)); /* search fs_file and fs_spec */
#ifndef NAME_MAX
#define NAME_MAX 255
#endif
/*
* The contents of the file _PATH_DUMPDATES is maintained both on
* a linked list, and then (eventually) arrayified.
*/
struct dumpdates {
char dd_name[NAME_MAX+3];
char dd_level;
time_t dd_ddate;
};
struct dumptime {
struct dumpdates dt_value;
struct dumptime *dt_next;
};
struct dumptime *dthead; /* head of the list version */
int nddates; /* number of records (might be zero) */
int ddates_in; /* we have read the increment file */
struct dumpdates **ddatev; /* the arrayfied version */
void initdumptimes __P((void));
void getdumptime __P((void));
void putdumptime __P((void));
#define ITITERATE(i, ddp) \
for (ddp = ddatev[i = 0]; i < nddates; ddp = ddatev[++i])
void sig __P((int signo));
/*
* Compatibility with old systems.
*/
#ifdef COMPAT
#include <sys/file.h>
#define strchr(a,b) index(a,b)
#define strrchr(a,b) rindex(a,b)
extern char *strdup(), *ctime();
extern int read(), write();
extern int errno;
#endif
#ifndef _PATH_UTMP
#define _PATH_UTMP "/etc/utmp"
#endif
#ifndef _PATH_FSTAB
#define _PATH_FSTAB "/etc/fstab"
#endif
#ifdef sunos
extern char *calloc();
extern char *malloc();
extern long atol();
extern char *strcpy();
extern char *strncpy();
extern char *strcat();
extern time_t time();
extern void endgrent();
extern void exit();
extern off_t lseek();
extern const char *strerror();
#endif
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