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_parsedevs(const char *blkdevs
);
38 static void hammer_parsedevs_noverify(const char *blkdevs
);
39 static void sigalrm(int signo
);
40 static void sigintr(int signo
);
41 static void usage(int exit_code
);
58 uint64_t BandwidthOpt
;
59 uint64_t SplitupOpt
= 4ULL * 1024ULL * 1024ULL * 1024ULL;
60 uint64_t MemoryLimit
= 1024LLU * 1024 * 1024;
61 const char *SplitupOptStr
;
62 const char *CyclePath
;
65 main(int ac
, char **av
)
69 char *restrictcmd
= NULL
;
73 while ((ch
= getopt(ac
, av
,
74 "b:c:de:hf:i:m:p:qrt:v2yABC:FR:S:T:X")) != -1) {
83 BandwidthOpt
= strtoull(optarg
, &ptr
, 0);
98 /* bytes per second if no suffix */
105 SplitupOptStr
= strdup(optarg
);
106 SplitupOpt
= strtoull(optarg
, &ptr
, 0);
121 /* bytes per second if no suffix */
134 ScoreBoardFile
= optarg
;
140 DelayOpt
= strtol(optarg
, NULL
, 0);
143 MemoryLimit
= strtouq(optarg
, &ptr
, 0);
166 if (MemoryLimit
< 1024 * 1024)
167 MemoryLimit
= 1024 * 1024;
179 TimeoutOpt
= strtol(optarg
, NULL
, 0);
200 if (hammer_parse_cache_size(optarg
) == -1)
207 if (restrictcmd
== NULL
)
208 restrictcmd
= optarg
;
211 if (RestrictTarget
== NULL
)
212 RestrictTarget
= optarg
;
229 signal(SIGALRM
, sigalrm
);
230 signal(SIGINT
, sigintr
);
233 * Check command restriction (used by hammer ssh-remote). Several
234 * commands may be iterated with a comma.
239 dup
= ptr
= strdup(restrictcmd
);
240 while ((elm
= strsep(&ptr
, ",")) != NULL
) {
241 if (strcmp(av
[0], elm
) == 0)
245 fprintf(stderr
, "hammer-remote: request does not match "
246 "restricted command\n");
253 * Lookup the filesystem type
255 uuid_name_lookup(&Hammer_FSType
, HAMMER_FSTYPE_STRING
, &status
);
256 if (status
!= uuid_s_ok
) {
257 errx(1, "uuids file does not have the DragonFly "
258 "HAMMER filesystem type");
264 if (strcmp(av
[0], "synctid") == 0) {
265 hammer_cmd_synctid(av
+ 1, ac
- 1);
268 if (strcmp(av
[0], "namekey2") == 0) {
272 const char *aname
= av
[1];
277 key
= (uint32_t)crc32(aname
, len
) & 0xFFFFFFFEU
;
281 crcx
= crc32(aname
+ 3, len
- 5);
282 crcx
= crcx
^ (crcx
>> 6) ^ (crcx
>> 12);
283 key
|= (int64_t)(crcx
& 0x3F) << 42;
289 key
|= ((int64_t)(aname
[2] & 0x1F) << 48);
292 key
|= ((int64_t)(aname
[1] & 0x1F) << 53) |
293 ((int64_t)(aname
[len
-2] & 0x1F) << 37);
296 key
|= ((int64_t)(aname
[0] & 0x1F) << 58) |
297 ((int64_t)(aname
[len
-1] & 0x1F) << 32);
303 key
|= 0x100000000LL
;
304 printf("0x%016jx\n", (uintmax_t)key
);
307 if (strcmp(av
[0], "namekey1") == 0) {
312 key
= (int64_t)(crc32(av
[1], strlen(av
[1])) & 0x7FFFFFFF) << 32;
314 key
|= 0x100000000LL
;
315 printf("0x%016jx\n", (uintmax_t)key
);
318 if (strcmp(av
[0], "namekey32") == 0) {
323 key
= crc32(av
[1], strlen(av
[1])) & 0x7FFFFFFF;
326 printf("0x%08x\n", key
);
329 if (strcmp(av
[0], "pfs-status") == 0) {
330 hammer_cmd_pseudofs_status(av
+ 1, ac
- 1);
333 if (strcmp(av
[0], "pfs-master") == 0) {
334 hammer_cmd_pseudofs_create(av
+ 1, ac
- 1, 0);
337 if (strcmp(av
[0], "pfs-slave") == 0) {
338 hammer_cmd_pseudofs_create(av
+ 1, ac
- 1, 1);
341 if (strcmp(av
[0], "pfs-update") == 0) {
342 hammer_cmd_pseudofs_update(av
+ 1, ac
- 1);
345 if (strcmp(av
[0], "pfs-upgrade") == 0) {
346 hammer_cmd_pseudofs_upgrade(av
+ 1, ac
- 1);
349 if (strcmp(av
[0], "pfs-downgrade") == 0) {
350 hammer_cmd_pseudofs_downgrade(av
+ 1, ac
- 1);
353 if (strcmp(av
[0], "pfs-destroy") == 0) {
354 hammer_cmd_pseudofs_destroy(av
+ 1, ac
- 1);
357 if (strcmp(av
[0], "prune") == 0) {
358 hammer_cmd_softprune(av
+ 1, ac
- 1, 0);
361 if (strcmp(av
[0], "config") == 0) {
362 hammer_cmd_config(av
+ 1, ac
- 1);
365 if (strcmp(av
[0], "viconfig") == 0) {
366 hammer_cmd_viconfig(av
+ 1, ac
- 1);
369 if (strcmp(av
[0], "cleanup") == 0) {
370 hammer_cmd_cleanup(av
+ 1, ac
- 1);
373 if (strcmp(av
[0], "abort-cleanup") == 0) {
374 hammer_cmd_abort_cleanup(av
+ 1, ac
- 1);
377 if (strcmp(av
[0], "info") == 0) {
378 hammer_cmd_info(av
+ 1, ac
- 1);
381 if (strcmp(av
[0], "prune-everything") == 0) {
382 hammer_cmd_softprune(av
+ 1, ac
- 1, 1);
385 if (strcmp(av
[0], "ssh-remote") == 0) {
388 hammer_cmd_sshremote(av
[1], av
[2]);
391 if (strcmp(av
[0], "snap") == 0) {
392 hammer_cmd_snap(av
+ 1, ac
- 1, 0, 1);
395 if (strcmp(av
[0], "snaplo") == 0) {
396 hammer_cmd_snap(av
+ 1, ac
- 1, 0, 0);
399 if (strcmp(av
[0], "snapq") == 0) {
400 hammer_cmd_snap(av
+ 1, ac
- 1, 1, 0);
403 if (strcmp(av
[0], "snapls") == 0) {
404 hammer_cmd_snapls(av
+ 1, ac
- 1);
407 if (strcmp(av
[0], "snaprm") == 0) {
408 hammer_cmd_snaprm(av
+ 1, ac
- 1);
411 if (strcmp(av
[0], "snapshot") == 0) {
412 hammer_cmd_snapshot(av
+ 1, ac
- 1);
415 if (strcmp(av
[0], "bstats") == 0) {
416 hammer_cmd_bstats(av
+ 1, ac
- 1);
419 if (strcmp(av
[0], "iostats") == 0) {
420 hammer_cmd_iostats(av
+ 1, ac
- 1);
423 if (strcmp(av
[0], "stats") == 0) {
424 hammer_cmd_stats(av
+ 1, ac
- 1);
428 if (strncmp(av
[0], "history", 7) == 0) {
429 hammer_cmd_history(av
[0] + 7, av
+ 1, ac
- 1);
432 if (strcmp(av
[0], "rebalance") == 0) {
433 signal(SIGINT
, sigalrm
);
434 hammer_cmd_rebalance(av
+ 1, ac
- 1);
437 if (strncmp(av
[0], "reblock", 7) == 0) {
438 signal(SIGINT
, sigalrm
);
439 if (strcmp(av
[0], "reblock") == 0)
440 hammer_cmd_reblock(av
+ 1, ac
- 1, HAMMER_IOC_DO_FLAGS
);
441 else if (strcmp(av
[0], "reblock-btree") == 0)
442 hammer_cmd_reblock(av
+ 1, ac
- 1, HAMMER_IOC_DO_BTREE
);
443 else if (strcmp(av
[0], "reblock-inodes") == 0)
444 hammer_cmd_reblock(av
+ 1, ac
- 1, HAMMER_IOC_DO_INODES
);
445 else if (strcmp(av
[0], "reblock-dirs") == 0)
446 hammer_cmd_reblock(av
+ 1, ac
- 1, HAMMER_IOC_DO_DIRS
);
447 else if (strcmp(av
[0], "reblock-data") == 0)
448 hammer_cmd_reblock(av
+ 1, ac
- 1, HAMMER_IOC_DO_DATA
);
453 if (strncmp(av
[0], "mirror", 6) == 0) {
454 if (strcmp(av
[0], "mirror-read") == 0)
455 hammer_cmd_mirror_read(av
+ 1, ac
- 1, 0);
456 else if (strcmp(av
[0], "mirror-read-stream") == 0)
457 hammer_cmd_mirror_read(av
+ 1, ac
- 1, 1);
458 else if (strcmp(av
[0], "mirror-write") == 0)
459 hammer_cmd_mirror_write(av
+ 1, ac
- 1);
460 else if (strcmp(av
[0], "mirror-copy") == 0)
461 hammer_cmd_mirror_copy(av
+ 1, ac
- 1, 0);
462 else if (strcmp(av
[0], "mirror-stream") == 0)
463 hammer_cmd_mirror_copy(av
+ 1, ac
- 1, 1);
464 else if (strcmp(av
[0], "mirror-dump") == 0)
465 hammer_cmd_mirror_dump(av
+ 1, ac
- 1);
470 if (strcmp(av
[0], "dedup-simulate") == 0) {
471 hammer_cmd_dedup_simulate(av
+ 1, ac
- 1);
474 if (strcmp(av
[0], "dedup") == 0) {
475 hammer_cmd_dedup(av
+ 1, ac
- 1);
478 if (strcmp(av
[0], "version") == 0) {
479 hammer_cmd_get_version(av
+ 1, ac
- 1);
482 if (strcmp(av
[0], "version-upgrade") == 0) {
483 hammer_cmd_set_version(av
+ 1, ac
- 1);
486 if (strcmp(av
[0], "volume-add") == 0) {
487 hammer_cmd_volume_add(av
+ 1, ac
- 1);
490 if (strcmp(av
[0], "volume-del") == 0) {
491 hammer_cmd_volume_del(av
+ 1, ac
- 1);
494 if (strcmp(av
[0], "volume-list") == 0) {
495 hammer_cmd_volume_list(av
+ 1, ac
- 1);
498 if (strcmp(av
[0], "volume-blkdevs") == 0) {
499 hammer_cmd_volume_blkdevs(av
+ 1, ac
- 1);
503 if (strcmp(av
[0], "show") == 0) {
504 const char *arg
= NULL
;
510 hammer_parsedevs(blkdevs
);
512 errx(1, "Too many options specified");
516 dup
= ptr
= strdup(av
[2]);
517 while ((p
= strsep(&ptr
, ",")) != NULL
) {
518 if (strcmp(p
, "filter") == 0) {
520 } else if (strcmp(p
, "nofilter") == 0) {
522 } else if (strcmp(p
, "obfuscate") == 0) {
524 } else if (strcmp(p
, "indent") == 0) {
530 hammer_cmd_show(arg
, filter
, obfuscate
, indent
);
533 if (strcmp(av
[0], "show-undo") == 0) {
534 hammer_parsedevs(blkdevs
);
535 hammer_cmd_show_undo();
538 if (strcmp(av
[0], "recover") == 0) {
539 hammer_parsedevs_noverify(blkdevs
);
541 errx(1, "hammer recover required target directory");
542 hammer_cmd_recover(av
[1]);
545 if (strcmp(av
[0], "blockmap") == 0) {
546 hammer_parsedevs(blkdevs
);
547 hammer_cmd_blockmap();
550 if (strcmp(av
[0], "checkmap") == 0) {
551 hammer_parsedevs(blkdevs
);
552 hammer_cmd_checkmap();
561 * Parse the device specification.
563 * Multi-volume hammer devices are colon-separated. Each element
564 * may be further expanded via /etc/devtab. One may also specify
565 * a single element which is expanded into multiple elements via
570 __hammer_parsedevs(const char *blkdevs
, int verify
)
572 struct volume_info
*vol
= NULL
;
577 if (blkdevs
== NULL
) {
578 errx(1, "A -f blkdevs specification is required "
582 copy
= strdup(blkdevs
);
583 while ((volname
= copy
) != NULL
) {
584 if ((copy
= strchr(copy
, ':')) != NULL
)
586 volname
= getdevpath(volname
, 0);
587 if (strchr(volname
, ':'))
588 hammer_parsedevs(volname
);
590 vol
= load_volume(volname
, O_RDONLY
, verify
);
599 * All volumes have the same vol_count.
602 if (volnum
!= vol
->ondisk
->vol_count
)
603 errx(1, "Volume header says %d volumes, but %d specified.",
604 vol
->ondisk
->vol_count
, volnum
);
606 if (get_root_volume() == NULL
)
607 errx(1, "No root volume found");
612 hammer_parsedevs(const char *blkdevs
)
614 __hammer_parsedevs(blkdevs
, 1);
619 hammer_parsedevs_noverify(const char *blkdevs
)
621 __hammer_parsedevs(blkdevs
, 0);
626 sigalrm(int signo __unused
)
628 /* do nothing (interrupts HAMMER ioctl) */
633 sigintr(int signo __unused
)
635 if (RunningIoctl
== 0)
638 /* do nothing (interrupts HAMMER ioctl) */
647 "hammer [-2ABFqrvXy] [-b bandwidth] [-C cachesize[:readahead]] \n"
648 " [-R restrictcmd] [-T restrictpath] [-c cyclefile]\n"
649 " [-e scoreboardfile] [-f blkdevs] [-i delay] [-p ssh-port]\n"
650 " [-S splitsize] [-t seconds] [-m memlimit] command [argument ...]\n"
651 "hammer synctid <filesystem> [quick]\n"
652 "hammer bstats [interval]\n"
653 "hammer iostats [interval]\n"
654 "hammer stats [interval]\n"
655 "hammer history[@offset[,len]] <file> ...\n"
656 "hammer namekey1 <path>\n"
657 "hammer namekey2 <path>\n"
658 "hammer namekey32 <path>\n"
659 "hammer cleanup [<filesystem> ...]\n"
660 "hammer abort-cleanup\n"
661 "hammer info [<dirpath> ...]\n"
662 "hammer snapshot [<filesystem>] <snapshot-dir>\n"
663 "hammer snapshot <filesystem> <snapshot-dir> [<note>]\n"
664 "hammer prune <softlink-dir>\n"
665 "hammer prune-everything <filesystem>\n"
666 "hammer rebalance <filesystem> [saturation_percentage]\n"
667 "hammer reblock[-btree|-inodes|-dirs|-data] "
668 "<filesystem> [fill_percentage]\n"
669 "hammer pfs-status <dirpath> ...\n"
670 "hammer pfs-master <dirpath> [options]\n"
671 "hammer pfs-slave <dirpath> [options]\n"
672 "hammer pfs-update <dirpath> [options]\n"
673 "hammer pfs-upgrade <dirpath>\n"
674 "hammer pfs-downgrade <dirpath>\n"
675 "hammer pfs-destroy <dirpath>\n"
676 "hammer mirror-read <filesystem> [begin-tid]\n"
677 "hammer mirror-read-stream <filesystem> [begin-tid]\n"
678 "hammer mirror-write <filesystem>\n"
679 "hammer mirror-dump [header]\n"
680 "hammer mirror-copy [[user@]host:]<filesystem>"
681 " [[user@]host:]<filesystem>\n"
682 "hammer mirror-stream [[user@]host:]<filesystem>"
683 " [[user@]host:]<filesystem>\n"
684 "hammer ssh-remote command filesystem\n"
685 "hammer version <filesystem>\n"
686 "hammer version-upgrade <filesystem> <version> [force]\n"
687 "hammer volume-add <device> <filesystem>\n"
688 "hammer volume-del <device> <filesystem>\n"
689 "hammer volume-list <filesystem>\n"
690 "hammer volume-blkdevs <filesystem>\n"
693 fprintf(stderr
, "\nHAMMER utility version 3+ commands:\n");
696 "hammer config [<filesystem> [<configfile>]]\n"
697 "hammer viconfig [<filesystem>]\n"
698 "hammer snap <path> [<note>]\n"
699 "hammer snaplo <path> [<note>]\n"
700 "hammer snapq <dir> [<note>]\n"
701 "hammer snaprm <path> ...\n"
702 "hammer snaprm <transid> ...\n"
703 "hammer snaprm <filesystem> <transid> ...\n"
704 "hammer snapls [<path> ...]\n"
707 fprintf(stderr
, "\nHAMMER utility version 4+ commands:\n");
710 "hammer -f blkdevs blockmap\n"
711 "hammer -f blkdevs checkmap\n"
712 "hammer -f blkdevs [-qqq] show [lo:objid]\n"
713 "hammer -f blkdevs show-undo\n"
714 "hammer -f blkdevs recover <target_dir>\n"
717 fprintf(stderr
, "\nHAMMER utility version 5+ commands:\n");
720 "hammer dedup-simulate <filesystem>\n"
721 "hammer dedup <filesystem>\n"