1/*-
2 * Copyright (c) 1980, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#)dump.h 8.2 (Berkeley) 4/28/95
30 *
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31 * $FreeBSD: head/sbin/dump/dump.h 167011 2007-02-26 08:15:56Z mckusick $
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| 31 * $FreeBSD: head/sbin/dump/dump.h 179267 2008-05-23 23:13:14Z mckusick $ |
32 */
33
34/*
35 * Dump maps used to describe what is to be dumped.
36 */
37int mapsize; /* size of the state maps */
38char *usedinomap; /* map of allocated inodes */
39char *dumpdirmap; /* map of directories to be dumped */
40char *dumpinomap; /* map of files to be dumped */
41/*
42 * Map manipulation macros.
43 */
44#define SETINO(ino, map) \
45 map[(u_int)((ino) - 1) / CHAR_BIT] |= \
46 1 << ((u_int)((ino) - 1) % CHAR_BIT)
47#define CLRINO(ino, map) \
48 map[(u_int)((ino) - 1) / CHAR_BIT] &= \
49 ~(1 << ((u_int)((ino) - 1) % CHAR_BIT))
50#define TSTINO(ino, map) \
51 (map[(u_int)((ino) - 1) / CHAR_BIT] & \
52 (1 << ((u_int)((ino) - 1) % CHAR_BIT)))
53
54/*
55 * All calculations done in 0.1" units!
56 */
57char *disk; /* name of the disk file */
58char *tape; /* name of the tape file */
59char *popenout; /* popen(3) per-"tape" command */
60char *dumpdates; /* name of the file containing dump date information*/
61char *temp; /* name of the file for doing rewrite of dumpdates */
62char lastlevel; /* dump level of previous dump */
63char level; /* dump level of this dump */
64int uflag; /* update flag */
65int diskfd; /* disk file descriptor */
66int tapefd; /* tape file descriptor */
67int pipeout; /* true => output to standard output */
68ino_t curino; /* current inumber; used globally */
69int newtape; /* new tape flag */
70int density; /* density in 0.1" units */
71long tapesize; /* estimated tape size, blocks */
72long tsize; /* tape size in 0.1" units */
73long asize; /* number of 0.1" units written on current tape */
74int etapes; /* estimated number of tapes */
75int nonodump; /* if set, do not honor UF_NODUMP user flags */
76int unlimited; /* if set, write to end of medium */
77int cachesize; /* size of block cache in bytes */
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| 78int rsync_friendly; /* be friendly with rsync */ |
79
80int notify; /* notify operator flag */
81int blockswritten; /* number of blocks written on current tape */
82int tapeno; /* current tape number */
83time_t tstart_writing; /* when started writing the first tape block */
84time_t tend_writing; /* after writing the last tape block */
85int passno; /* current dump pass number */
86struct fs *sblock; /* the file system super block */
87char sblock_buf[MAXBSIZE];
88long dev_bsize; /* block size of underlying disk device */
89int dev_bshift; /* log2(dev_bsize) */
90int tp_bshift; /* log2(TP_BSIZE) */
91
92/* operator interface functions */
93void broadcast(const char *message);
94void infosch(int);
95void lastdump(int arg); /* int should be char */
96void msg(const char *fmt, ...) __printflike(1, 2);
97void msgtail(const char *fmt, ...) __printflike(1, 2);
98int query(const char *question);
99void quit(const char *fmt, ...) __printflike(1, 2);
100void timeest(void);
101time_t unctime(char *str);
102
103/* mapping rouintes */
104union dinode;
105int mapfiles(ino_t maxino, long *tapesize);
106int mapdirs(ino_t maxino, long *tapesize);
107
108/* file dumping routines */
109void bread(ufs2_daddr_t blkno, char *buf, int size);
110ssize_t cread(int fd, void *buf, size_t nbytes, off_t offset);
111void dumpino(union dinode *dp, ino_t ino);
112void dumpmap(char *map, int type, ino_t ino);
113void writeheader(ino_t ino);
114
115/* tape writing routines */
116int alloctape(void);
117void close_rewind(void);
118void dumpblock(ufs2_daddr_t blkno, int size);
119void startnewtape(int top);
120void trewind(void);
121void writerec(char *dp, int isspcl);
122
123void Exit(int status) __dead2;
124void dumpabort(int signo);
125void dump_getfstab(void);
126
127char *rawname(char *cp);
128union dinode *getino(ino_t inum, int *mode);
129
130/* rdump routines */
131#ifdef RDUMP
132void rmtclose(void);
133int rmthost(const char *host);
134int rmtopen(const char *tape, int mode);
135int rmtwrite(const char *buf, int count);
136#endif /* RDUMP */
137
138void interrupt(int signo); /* in case operator bangs on console */
139
140/*
141 * Exit status codes
142 */
143#define X_FINOK 0 /* normal exit */
144#define X_STARTUP 1 /* startup error */
145#define X_REWRITE 2 /* restart writing from the check point */
146#define X_ABORT 3 /* abort dump; don't attempt checkpointing */
147
148#define OPGRENT "operator" /* group entry to notify */
149
150struct fstab *fstabsearch(const char *key); /* search fs_file and fs_spec */
151
152#ifndef NAME_MAX
153#define NAME_MAX 255
154#endif
155
156/*
157 * The contents of the file _PATH_DUMPDATES is maintained both on
158 * a linked list, and then (eventually) arrayified.
159 */
160struct dumpdates {
161 char dd_name[NAME_MAX+3];
162 char dd_level;
163 time_t dd_ddate;
164};
165int nddates; /* number of records (might be zero) */
166struct dumpdates **ddatev; /* the arrayfied version */
167void initdumptimes(void);
168void getdumptime(void);
169void putdumptime(void);
170#define ITITERATE(i, ddp) \
171 if (ddatev != NULL) \
172 for (ddp = ddatev[i = 0]; i < nddates; ddp = ddatev[++i])
173
174void sig(int signo);
175
176#ifndef _PATH_FSTAB
177#define _PATH_FSTAB "/etc/fstab"
178#endif
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