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33 * @(#)optr.c 8.2 (Berkeley) 1/6/94
34 * $FreeBSD: src/sbin/dump/optr.c,v 1.9.2.5 2002/02/23 22:32:51 iedowse Exp $
35 * $DragonFly: src/sbin/dump/optr.c,v 1.2 2003/06/17 04:27:32 dillon Exp $
38 #include <sys/param.h>
39 #include <sys/queue.h>
55 #include "pathnames.h"
57 void alarmcatch __P((/* int, int */));
58 int datesort __P((const void *, const void *));
61 * Query the operator; This previously-fascist piece of code
62 * no longer requires an exact response.
63 * It is intended to protect dump aborting by inquisitive
64 * people banging on the console terminal to see what is
65 * happening which might cause dump to croak, destroying
66 * a large number of hours of work.
68 * Every 2 minutes we reprint the message, alerting others
69 * that dump needs attention.
72 static char *attnmessage; /* attention message */
82 if ((mytty = fopen(_PATH_TTY, "r")) == NULL)
83 quit("fopen on %s fails: %s\n", _PATH_TTY, strerror(errno));
84 attnmessage = question;
90 if (fgets(replybuffer, 63, mytty) == NULL) {
92 if (++errcount > 30) /* XXX ugly */
93 quit("excessive operator query failures\n");
94 } else if (replybuffer[0] == 'y' || replybuffer[0] == 'Y') {
96 } else if (replybuffer[0] == 'n' || replybuffer[0] == 'N') {
99 (void) fprintf(stderr,
100 " DUMP: \"Yes\" or \"No\"?\n");
101 (void) fprintf(stderr,
102 " DUMP: %s: (\"yes\" or \"no\") ", question);
107 * Turn off the alarm, and reset the signal to trap out..
110 if (signal(SIGALRM, sig) == SIG_IGN)
111 signal(SIGALRM, SIG_IGN);
112 (void) fclose(mytty);
116 char lastmsg[BUFSIZ];
119 * Alert the console operator, and enable the alarm clock to
120 * sleep for 2 minutes in case nobody comes to satisfy dump
127 (void) fprintf(stderr,
128 " DUMP: %s: (\"yes\" or \"no\") ",
135 broadcast(""); /* just print last msg */
137 (void) fprintf(stderr," DUMP: %s: (\"yes\" or \"no\") ",
140 signal(SIGALRM, alarmcatch);
146 * Here if an inquisitive operator interrupts the dump program
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.
165 char buf[sizeof(_PATH_WALL) + sizeof(OPGRENT) + 3];
170 snprintf(buf, sizeof(buf), "%s -g %s", _PATH_WALL, OPGRENT);
171 if ((fp = popen(buf, "w")) == NULL)
174 (void) fputs("\a\a\aMessage from the dump program to all operators\n\nDUMP: NEEDS ATTENTION: ", fp);
176 (void) fputs(lastmsg, fp);
178 (void) fputs(message, fp);
184 * Print out an estimate of the amount of time left to do the dump
187 time_t tschedule = 0;
194 int deltat, hours, mins;
197 deltat = (blockswritten == 0) ? 0 : tstart_writing - tnow +
198 (double)(tnow - tstart_writing) / blockswritten * tapesize;
199 percent = (blockswritten * 100.0) / tapesize;
200 hours = deltat / 3600;
201 mins = (deltat % 3600) / 60;
203 setproctitle("%s: pass %d: %3.2f%% done, finished in %d:%02d",
204 disk, passno, percent, hours, mins);
205 if (tnow >= tschedule) {
206 tschedule = tnow + 300;
207 if (blockswritten < 500)
209 msg("%3.2f%% done, finished in %d:%02d\n", percent, hours,
215 * Schedule a printout of the estimate in the next call to timeest().
226 msg(const char *fmt, ...)
235 (void) fprintf(stderr," DUMP: ");
237 (void) fprintf(stderr, "pid=%d ", getpid());
244 (void) vfprintf(stderr, fmt, ap);
245 (void) fflush(stdout);
246 (void) fflush(stderr);
247 (void) vsnprintf(lastmsg, sizeof(lastmsg), fmt, ap);
253 msgtail(const char *fmt, ...)
255 msgtail(fmt, va_alist)
266 (void) vfprintf(stderr, fmt, ap);
272 quit(const char *fmt, ...)
281 (void) fprintf(stderr," DUMP: ");
283 (void) fprintf(stderr, "pid=%d ", getpid());
290 (void) vfprintf(stderr, fmt, ap);
292 (void) fflush(stdout);
293 (void) fflush(stderr);
298 * Tell the operator what has to be done;
299 * we don't actually do it
304 register struct fstab *fs;
306 register struct fstab *new;
308 new = (struct fstab *)malloc(sizeof (*fs));
310 (new->fs_file = strdup(fs->fs_file)) == NULL ||
311 (new->fs_type = strdup(fs->fs_type)) == NULL ||
312 (new->fs_spec = strdup(fs->fs_spec)) == NULL)
313 quit("%s\n", strerror(errno));
314 new->fs_passno = fs->fs_passno;
315 new->fs_freq = fs->fs_freq;
320 SLIST_ENTRY(pfstab) pf_list;
321 struct fstab *pf_fstab;
324 static SLIST_HEAD(, pfstab) table;
329 register struct fstab *fs;
330 register struct pfstab *pf;
332 if (setfsent() == 0) {
333 msg("Can't open %s for dump table information: %s\n",
334 _PATH_FSTAB, strerror(errno));
337 while ((fs = getfsent()) != NULL) {
338 if (strcmp(fs->fs_type, FSTAB_RW) &&
339 strcmp(fs->fs_type, FSTAB_RO) &&
340 strcmp(fs->fs_type, FSTAB_RQ))
343 if ((pf = (struct pfstab *)malloc(sizeof (*pf))) == NULL)
344 quit("%s\n", strerror(errno));
346 SLIST_INSERT_HEAD(&table, pf, pf_list);
352 * Search in the fstab for a file name.
353 * This file name can be either the special or the path file name.
355 * The file name can omit the leading '/'.
361 register struct pfstab *pf;
362 register struct fstab *fs;
365 SLIST_FOREACH(pf, &table, pf_list) {
367 if (strcmp(fs->fs_file, key) == 0 ||
368 strcmp(fs->fs_spec, key) == 0)
370 rn = rawname(fs->fs_spec);
371 if (rn != NULL && strcmp(rn, key) == 0)
374 if (*fs->fs_spec == '/' &&
375 strcmp(fs->fs_spec + 1, key) == 0)
377 if (*fs->fs_file == '/' &&
378 strcmp(fs->fs_file + 1, key) == 0)
386 * Tell the operator what to do
390 char arg; /* w ==> just what to do; W ==> most recent dumps */
393 register struct fstab *dt;
394 register struct dumpdates *dtwalk;
395 char *lastname, *date;
401 getfstab(); /* /etc/fstab input */
402 initdumptimes(); /* /etc/dumpdates input */
403 qsort((char *) ddatev, nddates, sizeof(struct dumpdates *), datesort);
406 (void) printf("Dump these file systems:\n");
408 (void) printf("Last dump(s) done (Dump '>' file systems):\n");
410 ITITERATE(i, dtwalk) {
411 if (strncmp(lastname, dtwalk->dd_name,
412 sizeof(dtwalk->dd_name)) == 0)
414 date = (char *)ctime(&dtwalk->dd_ddate);
415 date[16] = '\0'; /* blast away seconds and year */
416 lastname = dtwalk->dd_name;
417 dt = fstabsearch(dtwalk->dd_name);
418 dumpme = (dt != NULL && dt->fs_freq != 0);
420 tlast = localtime(&dtwalk->dd_ddate);
421 dumpme = tnow > (dtwalk->dd_ddate - (tlast->tm_hour * 3600)
422 - (tlast->tm_min * 60) - tlast->tm_sec
423 + (dt->fs_freq * 86400));
425 if (arg != 'w' || dumpme)
427 "%c %8s\t(%6s) Last dump: Level %c, Date %s\n",
428 dumpme && (arg != 'w') ? '>' : ' ',
430 dt ? dt->fs_file : "",
440 struct dumpdates *d1 = *(struct dumpdates **)a1;
441 struct dumpdates *d2 = *(struct dumpdates **)a2;
444 diff = strncmp(d1->dd_name, d2->dd_name, sizeof(d1->dd_name));
446 return (d2->dd_ddate - d1->dd_ddate);