2 * Copyright (c) 2007 The DragonFly Project. All rights reserved.
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@backplane.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 static void hammer_parse_blkdevs(const char *blkdevs
, int oflags
);
38 static void __hammer_parse_blkdevs(const char *blkdevs
, int oflags
,
39 int verify_volume
, int verify_count
);
40 static void sigalrm(int signo
);
41 static void sigintr(int signo
);
42 static void usage(int exit_code
);
59 uint64_t BandwidthOpt
;
60 uint64_t SplitupOpt
= 4ULL * 1024ULL * 1024ULL * 1024ULL;
61 uint64_t MemoryLimit
= 1024LLU * 1024 * 1024;
62 const char *SplitupOptStr
;
63 const char *CyclePath
;
66 main(int ac
, char **av
)
70 char *restrictcmd
= NULL
;
74 while ((ch
= getopt(ac
, av
,
75 "b:c:de:hf:i:m:p:qrt:v2yABC:FR:S:T:X")) != -1) {
84 BandwidthOpt
= strtoull(optarg
, &ptr
, 0);
99 /* bytes per second if no suffix */
107 SplitupOptStr
= strdup(optarg
);
108 SplitupOpt
= strtoull(optarg
, &ptr
, 0);
123 /* bytes per second if no suffix */
137 ScoreBoardFile
= optarg
;
143 DelayOpt
= strtol(optarg
, NULL
, 0);
146 MemoryLimit
= strtouq(optarg
, &ptr
, 0);
169 if (MemoryLimit
< 1024 * 1024)
170 MemoryLimit
= 1024 * 1024;
182 TimeoutOpt
= strtol(optarg
, NULL
, 0);
203 if (hammer_parse_cache_size(optarg
) == -1) {
212 if (restrictcmd
== NULL
)
213 restrictcmd
= optarg
;
216 if (RestrictTarget
== NULL
)
217 RestrictTarget
= optarg
;
234 signal(SIGALRM
, sigalrm
);
235 signal(SIGINT
, sigintr
);
238 * Check command restriction (used by hammer ssh-remote). Several
239 * commands may be iterated with a comma.
244 dup
= ptr
= strdup(restrictcmd
);
245 while ((elm
= strsep(&ptr
, ",")) != NULL
) {
246 if (strcmp(av
[0], elm
) == 0)
250 errx(1, "hammer-remote: request does not match "
251 "restricted command");
258 * Lookup the filesystem type
260 uuid_name_lookup(&Hammer_FSType
, HAMMER_FSTYPE_STRING
, &status
);
261 if (status
!= uuid_s_ok
) {
262 errx(1, "uuids file does not have the DragonFly "
263 "HAMMER filesystem type");
270 if (strcmp(av
[0], "synctid") == 0) {
271 hammer_cmd_synctid(av
+ 1, ac
- 1);
274 if (strcmp(av
[0], "namekey2") == 0) {
278 const char *aname
= av
[1];
285 key
= (uint32_t)crc32(aname
, len
) & 0xFFFFFFFEU
;
289 crcx
= crc32(aname
+ 3, len
- 5);
290 crcx
= crcx
^ (crcx
>> 6) ^ (crcx
>> 12);
291 key
|= (int64_t)(crcx
& 0x3F) << 42;
297 key
|= ((int64_t)(aname
[2] & 0x1F) << 48);
300 key
|= ((int64_t)(aname
[1] & 0x1F) << 53) |
301 ((int64_t)(aname
[len
-2] & 0x1F) << 37);
304 key
|= ((int64_t)(aname
[0] & 0x1F) << 58) |
305 ((int64_t)(aname
[len
-1] & 0x1F) << 32);
311 key
|= 0x100000000LL
;
312 printf("0x%016jx\n", (uintmax_t)key
);
315 if (strcmp(av
[0], "namekey1") == 0) {
322 key
= (int64_t)(crc32(av
[1], strlen(av
[1])) & 0x7FFFFFFF) << 32;
324 key
|= 0x100000000LL
;
325 printf("0x%016jx\n", (uintmax_t)key
);
328 if (strcmp(av
[0], "namekey32") == 0) {
335 key
= crc32(av
[1], strlen(av
[1])) & 0x7FFFFFFF;
338 printf("0x%08x\n", key
);
341 if (strcmp(av
[0], "pfs-status") == 0) {
342 hammer_cmd_pseudofs_status(av
+ 1, ac
- 1);
345 if (strcmp(av
[0], "pfs-master") == 0) {
346 hammer_cmd_pseudofs_create(av
+ 1, ac
- 1, 0);
349 if (strcmp(av
[0], "pfs-slave") == 0) {
350 hammer_cmd_pseudofs_create(av
+ 1, ac
- 1, 1);
353 if (strcmp(av
[0], "pfs-update") == 0) {
354 hammer_cmd_pseudofs_update(av
+ 1, ac
- 1);
357 if (strcmp(av
[0], "pfs-upgrade") == 0) {
358 hammer_cmd_pseudofs_upgrade(av
+ 1, ac
- 1);
361 if (strcmp(av
[0], "pfs-downgrade") == 0) {
362 hammer_cmd_pseudofs_downgrade(av
+ 1, ac
- 1);
365 if (strcmp(av
[0], "pfs-destroy") == 0) {
366 hammer_cmd_pseudofs_destroy(av
+ 1, ac
- 1);
369 if (strcmp(av
[0], "prune") == 0) {
370 hammer_cmd_softprune(av
+ 1, ac
- 1, 0);
373 if (strcmp(av
[0], "prune-everything") == 0) {
374 hammer_cmd_softprune(av
+ 1, ac
- 1, 1);
377 if (strcmp(av
[0], "config") == 0) {
378 hammer_cmd_config(av
+ 1, ac
- 1);
381 if (strcmp(av
[0], "viconfig") == 0) {
382 hammer_cmd_viconfig(av
+ 1, ac
- 1);
385 if (strcmp(av
[0], "cleanup") == 0) {
386 hammer_cmd_cleanup(av
+ 1, ac
- 1);
389 if (strcmp(av
[0], "abort-cleanup") == 0) {
390 hammer_cmd_abort_cleanup(av
+ 1, ac
- 1);
393 if (strcmp(av
[0], "info") == 0) {
394 hammer_cmd_info(av
+ 1, ac
- 1);
397 if (strcmp(av
[0], "ssh-remote") == 0) {
402 hammer_cmd_sshremote(av
[1], av
[2]);
405 if (strcmp(av
[0], "snap") == 0) {
406 hammer_cmd_snap(av
+ 1, ac
- 1, 0, 1);
409 if (strcmp(av
[0], "snaplo") == 0) {
410 hammer_cmd_snap(av
+ 1, ac
- 1, 0, 0);
413 if (strcmp(av
[0], "snapq") == 0) {
414 hammer_cmd_snap(av
+ 1, ac
- 1, 1, 0);
417 if (strcmp(av
[0], "snapls") == 0) {
418 hammer_cmd_snapls(av
+ 1, ac
- 1);
421 if (strcmp(av
[0], "snaprm") == 0) {
422 hammer_cmd_snaprm(av
+ 1, ac
- 1);
425 if (strcmp(av
[0], "snapshot") == 0) {
426 hammer_cmd_snapshot(av
+ 1, ac
- 1);
429 if (strcmp(av
[0], "bstats") == 0) {
430 hammer_cmd_bstats(av
+ 1, ac
- 1);
433 if (strcmp(av
[0], "iostats") == 0) {
434 hammer_cmd_iostats(av
+ 1, ac
- 1);
437 if (strcmp(av
[0], "stats") == 0) {
438 hammer_cmd_stats(av
+ 1, ac
- 1);
442 if (strncmp(av
[0], "history", 7) == 0) {
443 hammer_cmd_history(av
[0] + 7, av
+ 1, ac
- 1);
446 if (strcmp(av
[0], "rebalance") == 0) {
447 signal(SIGINT
, sigalrm
);
448 hammer_cmd_rebalance(av
+ 1, ac
- 1);
451 if (strncmp(av
[0], "reblock", 7) == 0) {
452 signal(SIGINT
, sigalrm
);
453 if (strcmp(av
[0], "reblock") == 0)
454 hammer_cmd_reblock(av
+ 1, ac
- 1, HAMMER_IOC_DO_FLAGS
);
455 else if (strcmp(av
[0], "reblock-btree") == 0)
456 hammer_cmd_reblock(av
+ 1, ac
- 1, HAMMER_IOC_DO_BTREE
);
457 else if (strcmp(av
[0], "reblock-inodes") == 0)
458 hammer_cmd_reblock(av
+ 1, ac
- 1, HAMMER_IOC_DO_INODES
);
459 else if (strcmp(av
[0], "reblock-dirs") == 0)
460 hammer_cmd_reblock(av
+ 1, ac
- 1, HAMMER_IOC_DO_DIRS
);
461 else if (strcmp(av
[0], "reblock-data") == 0)
462 hammer_cmd_reblock(av
+ 1, ac
- 1, HAMMER_IOC_DO_DATA
);
469 if (strncmp(av
[0], "mirror", 6) == 0) {
470 if (strcmp(av
[0], "mirror-read") == 0)
471 hammer_cmd_mirror_read(av
+ 1, ac
- 1, 0);
472 else if (strcmp(av
[0], "mirror-read-stream") == 0)
473 hammer_cmd_mirror_read(av
+ 1, ac
- 1, 1);
474 else if (strcmp(av
[0], "mirror-write") == 0)
475 hammer_cmd_mirror_write(av
+ 1, ac
- 1);
476 else if (strcmp(av
[0], "mirror-copy") == 0)
477 hammer_cmd_mirror_copy(av
+ 1, ac
- 1, 0);
478 else if (strcmp(av
[0], "mirror-stream") == 0)
479 hammer_cmd_mirror_copy(av
+ 1, ac
- 1, 1);
480 else if (strcmp(av
[0], "mirror-dump") == 0)
481 hammer_cmd_mirror_dump(av
+ 1, ac
- 1);
488 if (strcmp(av
[0], "dedup-simulate") == 0) {
489 hammer_cmd_dedup_simulate(av
+ 1, ac
- 1);
492 if (strcmp(av
[0], "dedup") == 0) {
493 hammer_cmd_dedup(av
+ 1, ac
- 1);
496 if (strcmp(av
[0], "version") == 0) {
497 hammer_cmd_get_version(av
+ 1, ac
- 1);
500 if (strcmp(av
[0], "version-upgrade") == 0) {
501 hammer_cmd_set_version(av
+ 1, ac
- 1);
504 if (strcmp(av
[0], "volume-add") == 0) {
505 hammer_cmd_volume_add(av
+ 1, ac
- 1);
508 if (strcmp(av
[0], "volume-del") == 0) {
509 hammer_cmd_volume_del(av
+ 1, ac
- 1);
512 if (strcmp(av
[0], "volume-list") == 0) {
513 hammer_cmd_volume_list(av
+ 1, ac
- 1);
516 if (strcmp(av
[0], "volume-blkdevs") == 0) {
517 hammer_cmd_volume_blkdevs(av
+ 1, ac
- 1);
521 if (strcmp(av
[0], "show") == 0) {
522 const char *arg
= NULL
;
528 hammer_parse_blkdevs(blkdevs
, O_RDONLY
);
530 errx(1, "Too many options specified");
536 dup
= ptr
= strdup(av
[2]);
537 while ((p
= strsep(&ptr
, ",")) != NULL
) {
538 if (strcmp(p
, "filter") == 0)
540 else if (strcmp(p
, "nofilter") == 0)
542 else if (strcmp(p
, "obfuscate") == 0)
544 else if (strcmp(p
, "indent") == 0)
549 hammer_cmd_show(arg
, filter
, obfuscate
, indent
);
552 if (strcmp(av
[0], "show-undo") == 0) {
553 hammer_parse_blkdevs(blkdevs
, O_RDONLY
);
554 hammer_cmd_show_undo();
557 if (strcmp(av
[0], "recover") == 0) {
558 __hammer_parse_blkdevs(blkdevs
, O_RDONLY
, 0, 1);
559 hammer_cmd_recover(av
+ 1, ac
- 1);
562 if (strcmp(av
[0], "blockmap") == 0) {
563 hammer_parse_blkdevs(blkdevs
, O_RDONLY
);
564 hammer_cmd_blockmap();
567 if (strcmp(av
[0], "checkmap") == 0) {
568 hammer_parse_blkdevs(blkdevs
, O_RDONLY
);
569 hammer_cmd_checkmap();
572 if (strcmp(av
[0], "strip") == 0) {
573 __hammer_parse_blkdevs(blkdevs
, O_RDWR
, 0, 0);
584 * Parse the device specification.
586 * Multi-volume hammer devices are colon-separated. Each element
587 * may be further expanded via /etc/devtab. One may also specify
588 * a single element which is expanded into multiple elements via
593 __hammer_parse_blkdevs(const char *blkdevs
, int oflags
, int verify_volume
,
596 volume_info_t volume
= NULL
;
601 if (blkdevs
== NULL
) {
602 errx(1, "A -f blkdevs specification is required "
607 copy
= strdup(blkdevs
);
608 while ((volname
= copy
) != NULL
) {
609 if ((copy
= strchr(copy
, ':')) != NULL
)
611 volname
= getdevpath(volname
, 0);
612 if (strchr(volname
, ':')) {
613 __hammer_parse_blkdevs(volname
, oflags
, verify_volume
,
616 volume
= load_volume(volname
, oflags
, verify_volume
);
626 if (vol_count
!= volume
->ondisk
->vol_count
) {
627 errx(1, "Volume header says %d volumes, but %d specified.",
628 volume
->ondisk
->vol_count
, vol_count
);
631 if (get_root_volume() == NULL
) {
632 errx(1, "No root volume found");
640 hammer_parse_blkdevs(const char *blkdevs
, int oflags
)
642 __hammer_parse_blkdevs(blkdevs
, oflags
, 1, 1);
647 sigalrm(int signo __unused
)
649 /* do nothing (interrupts HAMMER ioctl) */
654 sigintr(int signo __unused
)
656 if (RunningIoctl
== 0)
659 /* do nothing (interrupts HAMMER ioctl) */
668 "hammer [-2ABFqrvXy] [-b bandwidth] [-C cachesize[:readahead]] \n"
669 " [-R restrictcmd] [-T restrictpath] [-c cyclefile]\n"
670 " [-e scoreboardfile] [-f blkdevs] [-i delay] [-p ssh-port]\n"
671 " [-S splitsize] [-t seconds] [-m memlimit] command [argument ...]\n"
672 "hammer synctid <filesystem> [quick]\n"
673 "hammer bstats [interval]\n"
674 "hammer iostats [interval]\n"
675 "hammer stats [interval]\n"
676 "hammer history[@offset[,len]] <file> ...\n"
677 "hammer namekey1 <path>\n"
678 "hammer namekey2 <path>\n"
679 "hammer namekey32 <path>\n"
680 "hammer cleanup [<filesystem> ...]\n"
681 "hammer abort-cleanup\n"
682 "hammer info [<dirpath> ...]\n"
683 "hammer snapshot [<filesystem>] <snapshot-dir>\n"
684 "hammer snapshot <filesystem> <snapshot-dir> [<note>]\n"
685 "hammer prune <softlink-dir>\n"
686 "hammer prune-everything <filesystem>\n"
687 "hammer rebalance <filesystem> [saturation_percentage]\n"
688 "hammer reblock[-btree|-inodes|-dirs|-data] "
689 "<filesystem> [fill_percentage]\n"
690 "hammer pfs-status <dirpath> ...\n"
691 "hammer pfs-master <dirpath> [options]\n"
692 "hammer pfs-slave <dirpath> [options]\n"
693 "hammer pfs-update <dirpath> [options]\n"
694 "hammer pfs-upgrade <dirpath>\n"
695 "hammer pfs-downgrade <dirpath>\n"
696 "hammer pfs-destroy <dirpath>\n"
697 "hammer mirror-read <filesystem> [begin-tid]\n"
698 "hammer mirror-read-stream <filesystem> [begin-tid]\n"
699 "hammer mirror-write <filesystem>\n"
700 "hammer mirror-dump [header]\n"
701 "hammer mirror-copy [[user@]host:]<filesystem>"
702 " [[user@]host:]<filesystem>\n"
703 "hammer mirror-stream [[user@]host:]<filesystem>"
704 " [[user@]host:]<filesystem>\n"
705 "hammer ssh-remote command filesystem\n"
706 "hammer version <filesystem>\n"
707 "hammer version-upgrade <filesystem> <version> [force]\n"
708 "hammer volume-add <device> <filesystem>\n"
709 "hammer volume-del <device> <filesystem>\n"
710 "hammer volume-list <filesystem>\n"
711 "hammer volume-blkdevs <filesystem>\n"
714 fprintf(stderr
, "\nHAMMER utility version 3+ commands:\n");
717 "hammer config [<filesystem> [<configfile>]]\n"
718 "hammer viconfig [<filesystem>]\n"
719 "hammer snap <path> [<note>]\n"
720 "hammer snaplo <path> [<note>]\n"
721 "hammer snapq <dir> [<note>]\n"
722 "hammer snaprm <path> ...\n"
723 "hammer snaprm <transid> ...\n"
724 "hammer snaprm <filesystem> <transid> ...\n"
725 "hammer snapls [<path> ...]\n"
728 fprintf(stderr
, "\nHAMMER utility version 4+ commands:\n");
731 "hammer -f blkdevs blockmap\n"
732 "hammer -f blkdevs checkmap\n"
733 "hammer -f blkdevs [-qqq] show [lo:objid]\n"
734 "hammer -f blkdevs show-undo\n"
735 "hammer -f blkdevs recover <target_dir> [full|quick]\n"
736 "hammer -f blkdevs strip\n"
739 fprintf(stderr
, "\nHAMMER utility version 5+ commands:\n");
742 "hammer dedup-simulate <filesystem>\n"
743 "hammer dedup <filesystem>\n"