178 lines
6.6 KiB
C
178 lines
6.6 KiB
C
/* $OpenBSD: dump.h,v 1.25 2021/01/21 00:16:36 mortimer Exp $ */
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/* $NetBSD: dump.h,v 1.11 1997/06/05 11:13:20 lukem Exp $ */
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/*-
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* Copyright (c) 1980, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)dump.h 8.1 (Berkeley) 6/5/93
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*/
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/*
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* Dump maps used to describe what is to be dumped.
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*/
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extern int mapsize; /* size of the state maps */
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extern char *usedinomap; /* map of allocated inodes */
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extern char *dumpdirmap; /* map of directories to be dumped */
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extern char *dumpinomap; /* map of files to be dumped */
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/*
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* Map manipulation macros.
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*/
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#define SETINO(ino, map) \
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map[(u_int)((ino) - 1) / NBBY] |= 1 << ((u_int)((ino) - 1) % NBBY)
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#define CLRINO(ino, map) \
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map[(u_int)((ino) - 1) / NBBY] &= ~(1 << ((u_int)((ino) - 1) % NBBY))
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#define TSTINO(ino, map) \
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(map[(u_int)((ino) - 1) / NBBY] & (1 << ((u_int)((ino) - 1) % NBBY)))
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/*
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* All calculations done in 0.1" units!
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*/
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extern char *disk; /* name of the disk file */
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extern char *tape; /* name of the tape file */
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extern char *dumpdates; /* name of the file containing dump date information*/
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extern char *duid; /* duid of the disk being dumped */
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extern char lastlevel; /* dump level of previous dump */
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extern char level; /* dump level of this dump */
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extern int uflag; /* update flag */
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extern int diskfd; /* disk file descriptor */
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extern int pipeout; /* true => output to standard output */
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extern ino_t curino; /* current inumber; used globally */
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extern int newtape; /* new tape flag */
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extern int density; /* density in 0.1" units */
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extern int64_t tapesize; /* estimated tape size, blocks */
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extern int64_t tsize; /* tape size in 0.1" units */
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extern int unlimited; /* if set, write to end of medium */
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extern int etapes; /* estimated number of tapes */
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extern int nonodump; /* if set, do not honor UF_NODUMP user flags */
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extern int notify; /* notify operator flag */
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extern int64_t blockswritten; /* number of blocks written on current tape */
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extern int tapeno; /* current tape number */
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extern int ntrec; /* blocking factor on tape */
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extern int64_t blocksperfile; /* number of blocks per output file */
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extern int cartridge; /* assume non-cartridge tape */
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extern char *host; /* remote host (if any) */
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extern time_t tstart_writing; /* when started writing the first tape block */
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extern long xferrate; /* averaged transfer rate of all volumes */
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extern struct fs *sblock; /* the file system super block */
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extern char sblock_buf[MAXBSIZE];
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extern int tp_bshift; /* log2(TP_BSIZE) */
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/* operator interface functions */
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void broadcast(char *message);
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time_t do_stats(void);
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void lastdump(int arg); /* int should be char */
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void msg(const char *fmt, ...)
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__attribute__((__format__ (printf, 1, 2)));
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void msgtail(const char *fmt, ...)
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__attribute__((__format__ (printf, 1, 2)));
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int query(char *question);
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__dead void quit(const char *fmt, ...)
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__attribute__((__format__ (printf, 1, 2)));
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void statussig(int);
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void timeest(void);
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/* mapping routines */
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union dinode;
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int64_t blockest(union dinode *dp);
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void mapfileino(ino_t, int64_t *, int *);
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int mapfiles(ino_t maxino, int64_t *tapesize, char *disk,
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char * const *dirv);
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int mapdirs(ino_t maxino, int64_t *tapesize);
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/* file dumping routines */
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void ufs1_blksout(int32_t *blkp, int frags, ino_t ino);
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void ufs2_blksout(daddr_t *blkp, int frags, ino_t ino);
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void bread(daddr_t blkno, char *buf, int size);
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void dumpino(union dinode *dp, ino_t ino);
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void dumpmap(char *map, int type, ino_t ino);
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void writeheader(ino_t ino);
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/* tape writing routines */
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int alloctape(void);
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void close_rewind(void);
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void dumpblock(daddr_t blkno, int size);
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void startnewtape(int top);
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void trewind(void);
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void writerec(char *dp, int isspcl);
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__dead void Exit(int status);
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__dead void dumpabort(int signo);
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void getfstab(void);
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char *rawname(char *cp);
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char *getduid(char *path);
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union dinode *getino(ino_t inum, int *mode);
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/* rdump routines */
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#ifdef RDUMP
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void rmtclose(void);
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int rmthost(char *host);
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int rmtopen(char *tape, int mode);
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int rmtwrite(char *buf, int count);
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#endif /* RDUMP */
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void interrupt(int signo); /* in case operator bangs on console */
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/*
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* Exit status codes
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*/
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#define X_FINOK 0 /* normal exit */
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#define X_STARTUP 1 /* startup error */
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#define X_REWRITE 2 /* restart writing from the check point */
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#define X_ABORT 3 /* abort dump; don't attempt checkpointing */
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#define OPGRENT "operator" /* group entry to notify */
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struct fstab *fstabsearch(char *key); /* search fs_file and fs_spec */
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/*
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* The contents of the file _PATH_DUMPDATES is maintained both on
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* a linked list, and then (eventually) arrayified.
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*/
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struct dumpdates {
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char dd_name[NAME_MAX+3];
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char dd_level;
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time_t dd_ddate;
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};
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struct dumptime {
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struct dumpdates dt_value;
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struct dumptime *dt_next;
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};
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extern struct dumptime *dthead; /* head of the list version */
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extern int ddates_in; /* we have read the increment file */
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extern int nddates; /* number of records (might be zero) */
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extern struct dumpdates **ddatev; /* the arrayfied version */
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void initdumptimes(void);
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void getdumptime(void);
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void putdumptime(void);
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#define ITITERATE(i, ddp) \
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for (i = 0; i < nddates && (ddp = ddatev[i]); i++)
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void sig(int signo);
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