2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1980, 1988, 1993
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8 * modification, are permitted provided that the following conditions
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12 * 2. Redistributions in binary form must reproduce the above copyright
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34 static char sccsid[] = "@(#)optr.c 8.2 (Berkeley) 1/6/94";
36 static const char rcsid[] =
40 #include <sys/param.h>
41 #include <sys/queue.h>
44 #include <ufs/ufs/dinode.h>
59 #include "pathnames.h"
62 int datesort(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 const char *attnmessage; /* attention message */
79 query(const char *question)
85 if ((mytty = fopen(_PATH_TTY, "r")) == NULL)
86 quit("fopen on %s fails: %s\n", _PATH_TTY, strerror(errno));
87 attnmessage = question;
93 if (fgets(replybuffer, 63, mytty) == NULL) {
95 if (++errcount > 30) /* XXX ugly */
96 quit("excessive operator query failures\n");
97 } else if (replybuffer[0] == 'y' || replybuffer[0] == 'Y') {
99 } else if (replybuffer[0] == 'n' || replybuffer[0] == 'N') {
102 (void) fprintf(stderr,
103 " DUMP: \"Yes\" or \"No\"?\n");
104 (void) fprintf(stderr,
105 " DUMP: %s: (\"yes\" or \"no\") ", question);
110 * Turn off the alarm, and reset the signal to trap out..
113 if (signal(SIGALRM, sig) == SIG_IGN)
114 signal(SIGALRM, SIG_IGN);
115 (void) fclose(mytty);
119 char lastmsg[BUFSIZ];
122 * Alert the console operator, and enable the alarm clock to
123 * sleep for 2 minutes in case nobody comes to satisfy dump
126 alarmcatch(int sig __unused)
130 (void) fprintf(stderr,
131 " DUMP: %s: (\"yes\" or \"no\") ",
138 broadcast(""); /* just print last msg */
140 (void) fprintf(stderr," DUMP: %s: (\"yes\" or \"no\") ",
143 signal(SIGALRM, alarmcatch);
149 * Here if an inquisitive operator interrupts the dump program
152 interrupt(int signo __unused)
154 msg("Interrupt received.\n");
155 if (query("Do you want to abort dump?"))
160 * We now use wall(1) to do the actual broadcasting.
163 broadcast(const char *message)
166 char buf[sizeof(_PATH_WALL) + sizeof(OPGRENT) + 3];
171 snprintf(buf, sizeof(buf), "%s -g %s", _PATH_WALL, OPGRENT);
172 if ((fp = popen(buf, "w")) == NULL)
175 (void) fputs("\a\a\aMessage from the dump program to all operators\n\nDUMP: NEEDS ATTENTION: ", fp);
177 (void) fputs(lastmsg, fp);
179 (void) fputs(message, fp);
185 * Print out an estimate of the amount of time left to do the dump
188 time_t tschedule = 0;
196 int deltat, hours, mins;
199 if (blockswritten > tapesize) {
200 setproctitle("%s: 99.99%% done, finished soon", disk);
201 if (tnow >= tschedule) {
202 tschedule = tnow + 300;
203 msg("99.99%% done, finished soon\n");
206 deltat = (blockswritten == 0) ? 0 : tstart_writing - tnow +
207 (double)(tnow - tstart_writing) / blockswritten * tapesize;
208 tdone = tnow + deltat;
209 percent = (blockswritten * 100.0) / tapesize;
210 hours = deltat / 3600;
211 mins = (deltat % 3600) / 60;
213 tdone_str = ctime(&tdone);
214 tdone_str[strlen(tdone_str) - 1] = '\0';
216 "%s: pass %d: %3.2f%% done, finished in %d:%02d at %s",
217 disk, passno, percent, hours, mins, tdone_str);
218 if (tnow >= tschedule) {
219 tschedule = tnow + 300;
220 if (blockswritten < 500)
222 msg("%3.2f%% done, finished in %d:%02d at %s\n", percent,
223 hours, mins, tdone_str);
229 * Schedule a printout of the estimate in the next call to timeest().
232 infosch(int signal __unused)
238 msg(const char *fmt, ...)
242 (void) fprintf(stderr," DUMP: ");
244 (void) fprintf(stderr, "pid=%d ", getpid());
247 (void) vfprintf(stderr, fmt, ap);
249 (void) fflush(stdout);
250 (void) fflush(stderr);
252 (void) vsnprintf(lastmsg, sizeof(lastmsg), fmt, ap);
257 msgtail(const char *fmt, ...)
262 (void) vfprintf(stderr, fmt, ap);
267 quit(const char *fmt, ...)
271 (void) fprintf(stderr," DUMP: ");
273 (void) fprintf(stderr, "pid=%d ", getpid());
276 (void) vfprintf(stderr, fmt, ap);
278 (void) fflush(stdout);
279 (void) fflush(stderr);
284 * Tell the operator what has to be done;
285 * we don't actually do it
289 allocfsent(const struct fstab *fs)
293 new = (struct fstab *)malloc(sizeof (*fs));
295 (new->fs_file = strdup(fs->fs_file)) == NULL ||
296 (new->fs_type = strdup(fs->fs_type)) == NULL ||
297 (new->fs_spec = strdup(fs->fs_spec)) == NULL)
298 quit("%s\n", strerror(errno));
299 new->fs_passno = fs->fs_passno;
300 new->fs_freq = fs->fs_freq;
305 SLIST_ENTRY(pfstab) pf_list;
306 struct fstab *pf_fstab;
309 static SLIST_HEAD(, pfstab) table;
317 if (setfsent() == 0) {
318 msg("Can't open %s for dump table information: %s\n",
319 _PATH_FSTAB, strerror(errno));
322 while ((fs = getfsent()) != NULL) {
323 if ((strcmp(fs->fs_type, FSTAB_RW) &&
324 strcmp(fs->fs_type, FSTAB_RO) &&
325 strcmp(fs->fs_type, FSTAB_RQ)) ||
326 strcmp(fs->fs_vfstype, "ufs"))
329 if ((pf = (struct pfstab *)malloc(sizeof (*pf))) == NULL)
330 quit("%s\n", strerror(errno));
332 SLIST_INSERT_HEAD(&table, pf, pf_list);
338 * Search in the fstab for a file name.
339 * This file name can be either the special or the path file name.
341 * The file name can omit the leading '/'.
344 fstabsearch(const char *key)
350 SLIST_FOREACH(pf, &table, pf_list) {
352 if (strcmp(fs->fs_file, key) == 0 ||
353 strcmp(fs->fs_spec, key) == 0)
355 rn = rawname(fs->fs_spec);
356 if (rn != NULL && strcmp(rn, key) == 0)
359 if (*fs->fs_spec == '/' &&
360 strcmp(fs->fs_spec + 1, key) == 0)
362 if (*fs->fs_file == '/' &&
363 strcmp(fs->fs_file + 1, key) == 0)
371 * Tell the operator what to do
374 lastdump(int arg) /* w ==> just what to do; W ==> most recent dumps */
378 struct dumpdates *dtwalk;
379 char *lastname, *date;
385 dump_getfstab(); /* /etc/fstab input */
386 initdumptimes(); /* /etc/dumpdates input */
387 qsort((char *) ddatev, nddates, sizeof(struct dumpdates *), datesort);
390 (void) printf("Dump these file systems:\n");
392 (void) printf("Last dump(s) done (Dump '>' file systems):\n");
394 ITITERATE(i, dtwalk) {
395 if (strncmp(lastname, dtwalk->dd_name,
396 sizeof(dtwalk->dd_name)) == 0)
398 date = (char *)ctime(&dtwalk->dd_ddate);
399 date[16] = '\0'; /* blast away seconds and year */
400 lastname = dtwalk->dd_name;
401 dt = fstabsearch(dtwalk->dd_name);
402 dumpme = (dt != NULL && dt->fs_freq != 0);
404 tlast = localtime(&dtwalk->dd_ddate);
405 dumpme = tnow > (dtwalk->dd_ddate - (tlast->tm_hour * 3600)
406 - (tlast->tm_min * 60) - tlast->tm_sec
407 + (dt->fs_freq * 86400));
409 if (arg != 'w' || dumpme)
411 "%c %8s\t(%6s) Last dump: Level %d, Date %s\n",
412 dumpme && (arg != 'w') ? '>' : ' ',
414 dt ? dt->fs_file : "",
421 datesort(const void *a1, const void *a2)
423 struct dumpdates *d1 = *(struct dumpdates **)a1;
424 struct dumpdates *d2 = *(struct dumpdates **)a2;
427 diff = strncmp(d1->dd_name, d2->dd_name, sizeof(d1->dd_name));
429 return (d2->dd_ddate - d1->dd_ddate);