2 * Copyright (c) 1980, 1988, 1993
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6 * modification, are permitted provided that the following conditions
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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>
42 #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;
194 int deltat, hours, mins;
197 if (blockswritten > tapesize) {
198 setproctitle("%s: 99.99%% done, finished soon", disk);
199 if (tnow >= tschedule) {
200 tschedule = tnow + 300;
201 msg("99.99%% done, finished soon\n");
204 deltat = (blockswritten == 0) ? 0 : tstart_writing - tnow +
205 (double)(tnow - tstart_writing) / blockswritten * tapesize;
206 tdone = tnow + deltat;
207 percent = (blockswritten * 100.0) / tapesize;
208 hours = deltat / 3600;
209 mins = (deltat % 3600) / 60;
211 tdone_str = ctime(&tdone);
212 tdone_str[strlen(tdone_str) - 1] = '\0';
214 "%s: pass %d: %3.2f%% done, finished in %d:%02d at %s",
215 disk, passno, percent, hours, mins, tdone_str);
216 if (tnow >= tschedule) {
217 tschedule = tnow + 300;
218 if (blockswritten < 500)
220 msg("%3.2f%% done, finished in %d:%02d at %s\n", percent,
221 hours, mins, tdone_str);
227 * Schedule a printout of the estimate in the next call to timeest().
230 infosch(int signal __unused)
236 msg(const char *fmt, ...)
240 (void) fprintf(stderr," DUMP: ");
242 (void) fprintf(stderr, "pid=%d ", getpid());
245 (void) vfprintf(stderr, fmt, ap);
247 (void) fflush(stdout);
248 (void) fflush(stderr);
250 (void) vsnprintf(lastmsg, sizeof(lastmsg), fmt, ap);
255 msgtail(const char *fmt, ...)
260 (void) vfprintf(stderr, fmt, ap);
265 quit(const char *fmt, ...)
269 (void) fprintf(stderr," DUMP: ");
271 (void) fprintf(stderr, "pid=%d ", getpid());
274 (void) vfprintf(stderr, fmt, ap);
276 (void) fflush(stdout);
277 (void) fflush(stderr);
282 * Tell the operator what has to be done;
283 * we don't actually do it
287 allocfsent(const struct fstab *fs)
291 new = (struct fstab *)malloc(sizeof (*fs));
293 (new->fs_file = strdup(fs->fs_file)) == NULL ||
294 (new->fs_type = strdup(fs->fs_type)) == NULL ||
295 (new->fs_spec = strdup(fs->fs_spec)) == NULL)
296 quit("%s\n", strerror(errno));
297 new->fs_passno = fs->fs_passno;
298 new->fs_freq = fs->fs_freq;
303 SLIST_ENTRY(pfstab) pf_list;
304 struct fstab *pf_fstab;
307 static SLIST_HEAD(, pfstab) table;
315 if (setfsent() == 0) {
316 msg("Can't open %s for dump table information: %s\n",
317 _PATH_FSTAB, strerror(errno));
320 while ((fs = getfsent()) != NULL) {
321 if ((strcmp(fs->fs_type, FSTAB_RW) &&
322 strcmp(fs->fs_type, FSTAB_RO) &&
323 strcmp(fs->fs_type, FSTAB_RQ)) ||
324 strcmp(fs->fs_vfstype, "ufs"))
327 if ((pf = (struct pfstab *)malloc(sizeof (*pf))) == NULL)
328 quit("%s\n", strerror(errno));
330 SLIST_INSERT_HEAD(&table, pf, pf_list);
336 * Search in the fstab for a file name.
337 * This file name can be either the special or the path file name.
339 * The file name can omit the leading '/'.
342 fstabsearch(const char *key)
348 SLIST_FOREACH(pf, &table, pf_list) {
350 if (strcmp(fs->fs_file, key) == 0 ||
351 strcmp(fs->fs_spec, key) == 0)
353 rn = rawname(fs->fs_spec);
354 if (rn != NULL && strcmp(rn, key) == 0)
357 if (*fs->fs_spec == '/' &&
358 strcmp(fs->fs_spec + 1, key) == 0)
360 if (*fs->fs_file == '/' &&
361 strcmp(fs->fs_file + 1, key) == 0)
369 * Tell the operator what to do
372 lastdump(int arg) /* w ==> just what to do; W ==> most recent dumps */
376 struct dumpdates *dtwalk;
377 char *lastname, *date;
383 dump_getfstab(); /* /etc/fstab input */
384 initdumptimes(); /* /etc/dumpdates input */
385 qsort((char *) ddatev, nddates, sizeof(struct dumpdates *), datesort);
388 (void) printf("Dump these file systems:\n");
390 (void) printf("Last dump(s) done (Dump '>' file systems):\n");
392 ITITERATE(i, dtwalk) {
393 if (strncmp(lastname, dtwalk->dd_name,
394 sizeof(dtwalk->dd_name)) == 0)
396 date = (char *)ctime(&dtwalk->dd_ddate);
397 date[16] = '\0'; /* blast away seconds and year */
398 lastname = dtwalk->dd_name;
399 dt = fstabsearch(dtwalk->dd_name);
400 dumpme = (dt != NULL && dt->fs_freq != 0);
402 tlast = localtime(&dtwalk->dd_ddate);
403 dumpme = tnow > (dtwalk->dd_ddate - (tlast->tm_hour * 3600)
404 - (tlast->tm_min * 60) - tlast->tm_sec
405 + (dt->fs_freq * 86400));
407 if (arg != 'w' || dumpme)
409 "%c %8s\t(%6s) Last dump: Level %d, Date %s\n",
410 dumpme && (arg != 'w') ? '>' : ' ',
412 dt ? dt->fs_file : "",
419 datesort(const void *a1, const void *a2)
421 struct dumpdates *d1 = *(struct dumpdates **)a1;
422 struct dumpdates *d2 = *(struct dumpdates **)a2;
425 diff = strncmp(d1->dd_name, d2->dd_name, sizeof(d1->dd_name));
427 return (d2->dd_ddate - d1->dd_ddate);