/* $OpenBSD: dump.h,v 1.25 2021/01/21 00:16:36 mortimer Exp $ */ /* $NetBSD: dump.h,v 1.11 1997/06/05 11:13:20 lukem 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. 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 8.1 (Berkeley) 6/5/93 */ /* * Dump maps used to describe what is to be dumped. */ extern int mapsize; /* size of the state maps */ extern char *usedinomap; /* map of allocated inodes */ extern char *dumpdirmap; /* map of directories to be dumped */ extern 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! */ extern char *disk; /* name of the disk file */ extern char *tape; /* name of the tape file */ extern char *dumpdates; /* name of the file containing dump date information*/ extern char *duid; /* duid of the disk being dumped */ extern char lastlevel; /* dump level of previous dump */ extern char level; /* dump level of this dump */ extern int uflag; /* update flag */ extern int diskfd; /* disk file descriptor */ extern int pipeout; /* true => output to standard output */ extern ino_t curino; /* current inumber; used globally */ extern int newtape; /* new tape flag */ extern int density; /* density in 0.1" units */ extern int64_t tapesize; /* estimated tape size, blocks */ extern int64_t tsize; /* tape size in 0.1" units */ extern int unlimited; /* if set, write to end of medium */ extern int etapes; /* estimated number of tapes */ extern int nonodump; /* if set, do not honor UF_NODUMP user flags */ extern int notify; /* notify operator flag */ extern int64_t blockswritten; /* number of blocks written on current tape */ extern int tapeno; /* current tape number */ extern int ntrec; /* blocking factor on tape */ extern int64_t blocksperfile; /* number of blocks per output file */ extern int cartridge; /* assume non-cartridge tape */ extern char *host; /* remote host (if any) */ extern time_t tstart_writing; /* when started writing the first tape block */ extern long xferrate; /* averaged transfer rate of all volumes */ extern struct fs *sblock; /* the file system super block */ extern char sblock_buf[MAXBSIZE]; extern int tp_bshift; /* log2(TP_BSIZE) */ /* operator interface functions */ void broadcast(char *message); time_t do_stats(void); void lastdump(int arg); /* int should be char */ void msg(const char *fmt, ...) __attribute__((__format__ (printf, 1, 2))); void msgtail(const char *fmt, ...) __attribute__((__format__ (printf, 1, 2))); int query(char *question); __dead void quit(const char *fmt, ...) __attribute__((__format__ (printf, 1, 2))); void statussig(int); void timeest(void); /* mapping routines */ union dinode; int64_t blockest(union dinode *dp); void mapfileino(ino_t, int64_t *, int *); int mapfiles(ino_t maxino, int64_t *tapesize, char *disk, char * const *dirv); int mapdirs(ino_t maxino, int64_t *tapesize); /* file dumping routines */ void ufs1_blksout(int32_t *blkp, int frags, ino_t ino); void ufs2_blksout(daddr_t *blkp, int frags, ino_t ino); void bread(daddr_t blkno, char *buf, int size); void dumpino(union dinode *dp, ino_t ino); void dumpmap(char *map, int type, ino_t ino); void writeheader(ino_t ino); /* tape writing routines */ int alloctape(void); void close_rewind(void); void dumpblock(daddr_t blkno, int size); void startnewtape(int top); void trewind(void); void writerec(char *dp, int isspcl); __dead void Exit(int status); __dead void dumpabort(int signo); void getfstab(void); char *rawname(char *cp); char *getduid(char *path); union dinode *getino(ino_t inum, int *mode); /* rdump routines */ #ifdef RDUMP void rmtclose(void); int rmthost(char *host); int rmtopen(char *tape, int mode); int rmtwrite(char *buf, int count); #endif /* RDUMP */ void interrupt(int signo); /* in case operator bangs on console */ /* * Exit status codes */ #define X_FINOK 0 /* normal exit */ #define X_STARTUP 1 /* startup error */ #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 */ struct fstab *fstabsearch(char *key); /* search fs_file and fs_spec */ /* * 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; }; extern struct dumptime *dthead; /* head of the list version */ extern int ddates_in; /* we have read the increment file */ extern int nddates; /* number of records (might be zero) */ extern struct dumpdates **ddatev; /* the arrayfied version */ void initdumptimes(void); void getdumptime(void); void putdumptime(void); #define ITITERATE(i, ddp) \ for (i = 0; i < nddates && (ddp = ddatev[i]); i++) void sig(int signo);