2 * Copyright (c) 1980, 1988, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 static char sccsid[] = "@(#)optr.c 8.2 (Berkeley) 1/6/94";
38 static const char rcsid[] =
39 "$FreeBSD: src/sbin/dump/optr.c,v 1.9.2.5 2002/02/23 22:32:51 iedowse Exp $";
42 #include <sys/param.h>
43 #include <sys/queue.h>
59 #include "pathnames.h"
61 void alarmcatch __P((/* int, int */));
62 int datesort __P((const void *, const void *));
65 * Query the operator; This previously-fascist piece of code
66 * no longer requires an exact response.
67 * It is intended to protect dump aborting by inquisitive
68 * people banging on the console terminal to see what is
69 * happening which might cause dump to croak, destroying
70 * a large number of hours of work.
72 * Every 2 minutes we reprint the message, alerting others
73 * that dump needs attention.
76 static char *attnmessage; /* attention message */
86 if ((mytty = fopen(_PATH_TTY, "r")) == NULL)
87 quit("fopen on %s fails: %s\n", _PATH_TTY, strerror(errno));
88 attnmessage = question;
94 if (fgets(replybuffer, 63, mytty) == NULL) {
96 if (++errcount > 30) /* XXX ugly */
97 quit("excessive operator query failures\n");
98 } else if (replybuffer[0] == 'y' || replybuffer[0] == 'Y') {
100 } else if (replybuffer[0] == 'n' || replybuffer[0] == 'N') {
103 (void) fprintf(stderr,
104 " DUMP: \"Yes\" or \"No\"?\n");
105 (void) fprintf(stderr,
106 " DUMP: %s: (\"yes\" or \"no\") ", question);
111 * Turn off the alarm, and reset the signal to trap out..
114 if (signal(SIGALRM, sig) == SIG_IGN)
115 signal(SIGALRM, SIG_IGN);
116 (void) fclose(mytty);
120 char lastmsg[BUFSIZ];
123 * Alert the console operator, and enable the alarm clock to
124 * sleep for 2 minutes in case nobody comes to satisfy dump
131 (void) fprintf(stderr,
132 " DUMP: %s: (\"yes\" or \"no\") ",
139 broadcast(""); /* just print last msg */
141 (void) fprintf(stderr," DUMP: %s: (\"yes\" or \"no\") ",
144 signal(SIGALRM, alarmcatch);
150 * Here if an inquisitive operator interrupts the dump program
156 msg("Interrupt received.\n");
157 if (query("Do you want to abort dump?"))
162 * We now use wall(1) to do the actual broadcasting.
169 char buf[sizeof(_PATH_WALL) + sizeof(OPGRENT) + 3];
174 snprintf(buf, sizeof(buf), "%s -g %s", _PATH_WALL, OPGRENT);
175 if ((fp = popen(buf, "w")) == NULL)
178 (void) fputs("\a\a\aMessage from the dump program to all operators\n\nDUMP: NEEDS ATTENTION: ", fp);
180 (void) fputs(lastmsg, fp);
182 (void) fputs(message, fp);
188 * Print out an estimate of the amount of time left to do the dump
191 time_t tschedule = 0;
198 int deltat, hours, mins;
201 deltat = (blockswritten == 0) ? 0 : tstart_writing - tnow +
202 (double)(tnow - tstart_writing) / blockswritten * tapesize;
203 percent = (blockswritten * 100.0) / tapesize;
204 hours = deltat / 3600;
205 mins = (deltat % 3600) / 60;
207 setproctitle("%s: pass %d: %3.2f%% done, finished in %d:%02d",
208 disk, passno, percent, hours, mins);
209 if (tnow >= tschedule) {
210 tschedule = tnow + 300;
211 if (blockswritten < 500)
213 msg("%3.2f%% done, finished in %d:%02d\n", percent, hours,
219 * Schedule a printout of the estimate in the next call to timeest().
230 msg(const char *fmt, ...)
239 (void) fprintf(stderr," DUMP: ");
241 (void) fprintf(stderr, "pid=%d ", getpid());
248 (void) vfprintf(stderr, fmt, ap);
249 (void) fflush(stdout);
250 (void) fflush(stderr);
251 (void) vsnprintf(lastmsg, sizeof(lastmsg), fmt, ap);
257 msgtail(const char *fmt, ...)
259 msgtail(fmt, va_alist)
270 (void) vfprintf(stderr, fmt, ap);
276 quit(const char *fmt, ...)
285 (void) fprintf(stderr," DUMP: ");
287 (void) fprintf(stderr, "pid=%d ", getpid());
294 (void) vfprintf(stderr, fmt, ap);
296 (void) fflush(stdout);
297 (void) fflush(stderr);
302 * Tell the operator what has to be done;
303 * we don't actually do it
308 register struct fstab *fs;
310 register struct fstab *new;
312 new = (struct fstab *)malloc(sizeof (*fs));
314 (new->fs_file = strdup(fs->fs_file)) == NULL ||
315 (new->fs_type = strdup(fs->fs_type)) == NULL ||
316 (new->fs_spec = strdup(fs->fs_spec)) == NULL)
317 quit("%s\n", strerror(errno));
318 new->fs_passno = fs->fs_passno;
319 new->fs_freq = fs->fs_freq;
324 SLIST_ENTRY(pfstab) pf_list;
325 struct fstab *pf_fstab;
328 static SLIST_HEAD(, pfstab) table;
333 register struct fstab *fs;
334 register struct pfstab *pf;
336 if (setfsent() == 0) {
337 msg("Can't open %s for dump table information: %s\n",
338 _PATH_FSTAB, strerror(errno));
341 while ((fs = getfsent()) != NULL) {
342 if (strcmp(fs->fs_type, FSTAB_RW) &&
343 strcmp(fs->fs_type, FSTAB_RO) &&
344 strcmp(fs->fs_type, FSTAB_RQ))
347 if ((pf = (struct pfstab *)malloc(sizeof (*pf))) == NULL)
348 quit("%s\n", strerror(errno));
350 SLIST_INSERT_HEAD(&table, pf, pf_list);
356 * Search in the fstab for a file name.
357 * This file name can be either the special or the path file name.
359 * The file name can omit the leading '/'.
365 register struct pfstab *pf;
366 register struct fstab *fs;
369 SLIST_FOREACH(pf, &table, pf_list) {
371 if (strcmp(fs->fs_file, key) == 0 ||
372 strcmp(fs->fs_spec, key) == 0)
374 rn = rawname(fs->fs_spec);
375 if (rn != NULL && strcmp(rn, key) == 0)
378 if (*fs->fs_spec == '/' &&
379 strcmp(fs->fs_spec + 1, key) == 0)
381 if (*fs->fs_file == '/' &&
382 strcmp(fs->fs_file + 1, key) == 0)
390 * Tell the operator what to do
394 char arg; /* w ==> just what to do; W ==> most recent dumps */
397 register struct fstab *dt;
398 register struct dumpdates *dtwalk;
399 char *lastname, *date;
405 getfstab(); /* /etc/fstab input */
406 initdumptimes(); /* /etc/dumpdates input */
407 qsort((char *) ddatev, nddates, sizeof(struct dumpdates *), datesort);
410 (void) printf("Dump these file systems:\n");
412 (void) printf("Last dump(s) done (Dump '>' file systems):\n");
414 ITITERATE(i, dtwalk) {
415 if (strncmp(lastname, dtwalk->dd_name,
416 sizeof(dtwalk->dd_name)) == 0)
418 date = (char *)ctime(&dtwalk->dd_ddate);
419 date[16] = '\0'; /* blast away seconds and year */
420 lastname = dtwalk->dd_name;
421 dt = fstabsearch(dtwalk->dd_name);
422 dumpme = (dt != NULL && dt->fs_freq != 0);
424 tlast = localtime(&dtwalk->dd_ddate);
425 dumpme = tnow > (dtwalk->dd_ddate - (tlast->tm_hour * 3600)
426 - (tlast->tm_min * 60) - tlast->tm_sec
427 + (dt->fs_freq * 86400));
429 if (arg != 'w' || dumpme)
431 "%c %8s\t(%6s) Last dump: Level %c, Date %s\n",
432 dumpme && (arg != 'w') ? '>' : ' ',
434 dt ? dt->fs_file : "",
444 struct dumpdates *d1 = *(struct dumpdates **)a1;
445 struct dumpdates *d2 = *(struct dumpdates **)a2;
448 diff = strncmp(d1->dd_name, d2->dd_name, sizeof(d1->dd_name));
450 return (d2->dd_ddate - d1->dd_ddate);