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 * 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.
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
32 static char sccsid[] = "@(#)optr.c 8.2 (Berkeley) 1/6/94";
34 static const char rcsid[] =
38 #include <sys/param.h>
39 #include <sys/queue.h>
43 #include <ufs/ufs/dinode.h>
57 #include "pathnames.h"
60 int datesort(const void *, const void *);
63 * Query the operator; This previously-fascist piece of code
64 * no longer requires an exact response.
65 * It is intended to protect dump aborting by inquisitive
66 * people banging on the console terminal to see what is
67 * happening which might cause dump to croak, destroying
68 * a large number of hours of work.
70 * Every 2 minutes we reprint the message, alerting others
71 * that dump needs attention.
74 static const char *attnmessage; /* attention message */
77 query(const char *question)
83 if ((mytty = fopen(_PATH_TTY, "r")) == NULL)
84 quit("fopen on %s fails: %s\n", _PATH_TTY, strerror(errno));
85 attnmessage = question;
91 if (fgets(replybuffer, 63, mytty) == NULL) {
93 if (++errcount > 30) /* XXX ugly */
94 quit("excessive operator query failures\n");
95 } else if (replybuffer[0] == 'y' || replybuffer[0] == 'Y') {
97 } else if (replybuffer[0] == 'n' || replybuffer[0] == 'N') {
100 (void) fprintf(stderr,
101 " DUMP: \"Yes\" or \"No\"?\n");
102 (void) fprintf(stderr,
103 " DUMP: %s: (\"yes\" or \"no\") ", question);
108 * Turn off the alarm, and reset the signal to trap out..
111 if (signal(SIGALRM, sig) == SIG_IGN)
112 signal(SIGALRM, SIG_IGN);
113 (void) fclose(mytty);
117 char lastmsg[BUFSIZ];
120 * Alert the console operator, and enable the alarm clock to
121 * sleep for 2 minutes in case nobody comes to satisfy dump
124 alarmcatch(int sig __unused)
128 (void) fprintf(stderr,
129 " DUMP: %s: (\"yes\" or \"no\") ",
136 broadcast(""); /* just print last msg */
138 (void) fprintf(stderr," DUMP: %s: (\"yes\" or \"no\") ",
141 signal(SIGALRM, alarmcatch);
147 * Here if an inquisitive operator interrupts the dump program
150 interrupt(int signo __unused)
152 msg("Interrupt received.\n");
153 if (query("Do you want to abort dump?"))
158 * We now use wall(1) to do the actual broadcasting.
161 broadcast(const char *message)
164 char buf[sizeof(_PATH_WALL) + sizeof(OPGRENT) + 3];
169 snprintf(buf, sizeof(buf), "%s -g %s", _PATH_WALL, OPGRENT);
170 if ((fp = popen(buf, "w")) == NULL)
173 (void) fputs("\a\a\aMessage from the dump program to all operators\n\nDUMP: NEEDS ATTENTION: ", fp);
175 (void) fputs(lastmsg, fp);
177 (void) fputs(message, fp);
183 * Print out an estimate of the amount of time left to do the dump
186 time_t tschedule = 0;
193 int deltat, hours, mins;
196 if (blockswritten > tapesize) {
197 setproctitle("%s: 99.99%% done, finished soon", disk);
198 if (tnow >= tschedule) {
199 tschedule = tnow + 300;
200 msg("99.99%% done, finished soon\n");
203 deltat = (blockswritten == 0) ? 0 : tstart_writing - tnow +
204 (double)(tnow - tstart_writing) / blockswritten * tapesize;
205 tdone = tnow + deltat;
206 percent = (blockswritten * 100.0) / tapesize;
207 hours = deltat / 3600;
208 mins = (deltat % 3600) / 60;
211 "%s: pass %d: %3.2f%% done, finished in %d:%02d at %s",
212 disk, passno, percent, hours, mins, ctime(&tdone));
213 if (tnow >= tschedule) {
214 tschedule = tnow + 300;
215 if (blockswritten < 500)
217 msg("%3.2f%% done, finished in %d:%02d at %s", percent,
218 hours, mins, ctime(&tdone));
224 * Schedule a printout of the estimate in the next call to timeest().
227 infosch(int signal __unused)
233 msg(const char *fmt, ...)
237 (void) fprintf(stderr," DUMP: ");
239 (void) fprintf(stderr, "pid=%d ", getpid());
242 (void) vfprintf(stderr, fmt, ap);
244 (void) fflush(stdout);
245 (void) fflush(stderr);
247 (void) vsnprintf(lastmsg, sizeof(lastmsg), fmt, ap);
252 msgtail(const char *fmt, ...)
257 (void) vfprintf(stderr, fmt, ap);
262 quit(const char *fmt, ...)
266 (void) fprintf(stderr," DUMP: ");
268 (void) fprintf(stderr, "pid=%d ", getpid());
271 (void) vfprintf(stderr, fmt, ap);
273 (void) fflush(stdout);
274 (void) fflush(stderr);
279 * Tell the operator what has to be done;
280 * we don't actually do it
284 allocfsent(const struct fstab *fs)
288 new = (struct fstab *)malloc(sizeof (*fs));
290 (new->fs_file = strdup(fs->fs_file)) == NULL ||
291 (new->fs_type = strdup(fs->fs_type)) == NULL ||
292 (new->fs_spec = strdup(fs->fs_spec)) == NULL)
293 quit("%s\n", strerror(errno));
294 new->fs_passno = fs->fs_passno;
295 new->fs_freq = fs->fs_freq;
300 SLIST_ENTRY(pfstab) pf_list;
301 struct fstab *pf_fstab;
304 static SLIST_HEAD(, pfstab) table;
312 if (setfsent() == 0) {
313 msg("Can't open %s for dump table information: %s\n",
314 _PATH_FSTAB, strerror(errno));
317 while ((fs = getfsent()) != NULL) {
318 if (strcmp(fs->fs_type, FSTAB_RW) &&
319 strcmp(fs->fs_type, FSTAB_RO) &&
320 strcmp(fs->fs_type, FSTAB_RQ))
323 if ((pf = (struct pfstab *)malloc(sizeof (*pf))) == NULL)
324 quit("%s\n", strerror(errno));
326 SLIST_INSERT_HEAD(&table, pf, pf_list);
332 * Search in the fstab for a file name.
333 * This file name can be either the special or the path file name.
335 * The file name can omit the leading '/'.
338 fstabsearch(const char *key)
344 SLIST_FOREACH(pf, &table, pf_list) {
346 if (strcmp(fs->fs_file, key) == 0 ||
347 strcmp(fs->fs_spec, key) == 0)
349 rn = rawname(fs->fs_spec);
350 if (rn != NULL && strcmp(rn, key) == 0)
353 if (*fs->fs_spec == '/' &&
354 strcmp(fs->fs_spec + 1, key) == 0)
356 if (*fs->fs_file == '/' &&
357 strcmp(fs->fs_file + 1, key) == 0)
365 * Tell the operator what to do
368 lastdump(int arg) /* w ==> just what to do; W ==> most recent dumps */
372 struct dumpdates *dtwalk;
373 char *lastname, *date;
379 dump_getfstab(); /* /etc/fstab input */
380 initdumptimes(); /* /etc/dumpdates input */
381 qsort((char *) ddatev, nddates, sizeof(struct dumpdates *), datesort);
384 (void) printf("Dump these file systems:\n");
386 (void) printf("Last dump(s) done (Dump '>' file systems):\n");
388 ITITERATE(i, dtwalk) {
389 if (strncmp(lastname, dtwalk->dd_name,
390 sizeof(dtwalk->dd_name)) == 0)
392 date = (char *)ctime(&dtwalk->dd_ddate);
393 date[16] = '\0'; /* blast away seconds and year */
394 lastname = dtwalk->dd_name;
395 dt = fstabsearch(dtwalk->dd_name);
396 dumpme = (dt != NULL && dt->fs_freq != 0);
398 tlast = localtime(&dtwalk->dd_ddate);
399 dumpme = tnow > (dtwalk->dd_ddate - (tlast->tm_hour * 3600)
400 - (tlast->tm_min * 60) - tlast->tm_sec
401 + (dt->fs_freq * 86400));
403 if (arg != 'w' || dumpme)
405 "%c %8s\t(%6s) Last dump: Level %c, Date %s\n",
406 dumpme && (arg != 'w') ? '>' : ' ',
408 dt ? dt->fs_file : "",
415 datesort(const void *a1, const void *a2)
417 struct dumpdates *d1 = *(struct dumpdates **)a1;
418 struct dumpdates *d2 = *(struct dumpdates **)a2;
421 diff = strncmp(d1->dd_name, d2->dd_name, sizeof(d1->dd_name));
423 return (d2->dd_ddate - d1->dd_ddate);