1 /* 2 * Copyright (c) 2007 The DragonFly Project. All rights reserved. 3 * 4 * This code is derived from software contributed to The DragonFly Project 5 * by Matthew Dillon <dillon@backplane.com> 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 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 16 * distribution. 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. 20 * 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 32 * SUCH DAMAGE. 33 * 34 * $DragonFly: src/sbin/hammer/hammer.c,v 1.44 2008/11/13 02:04:27 dillon Exp $ 35 */ 36 37 #include "hammer.h" 38 #include <signal.h> 39 #include <math.h> 40 #include <fstab.h> 41 42 static void hammer_parsedevs(const char *blkdevs); 43 static void sigalrm(int signo); 44 static void sigintr(int signo); 45 static void usage(int exit_code); 46 47 int RecurseOpt; 48 int VerboseOpt; 49 int QuietOpt; 50 int NoSyncOpt; 51 int TwoWayPipeOpt; 52 int TimeoutOpt; 53 int DelayOpt = 5; 54 int ForceYesOpt = 0; 55 int ForceOpt; 56 int RunningIoctl; 57 int DidInterrupt; 58 int BulkOpt; 59 u_int64_t BandwidthOpt; 60 const char *CyclePath; 61 const char *LinkPath; 62 63 int 64 main(int ac, char **av) 65 { 66 char *blkdevs = NULL; 67 char *ptr; 68 u_int32_t status; 69 int ch; 70 int cacheSize = 0; 71 72 while ((ch = getopt(ac, av, "b:c:dhf:i:qrs:t:v2yBC:F")) != -1) { 73 switch(ch) { 74 case '2': 75 TwoWayPipeOpt = 1; 76 break; 77 case 'y': 78 ForceYesOpt = 1; 79 break; 80 case 'b': 81 BandwidthOpt = strtoull(optarg, &ptr, 0); 82 switch(*ptr) { 83 case 'g': 84 case 'G': 85 BandwidthOpt *= 1024; 86 /* fall through */ 87 case 'm': 88 case 'M': 89 BandwidthOpt *= 1024; 90 /* fall through */ 91 case 'k': 92 case 'K': 93 BandwidthOpt *= 1024; 94 break; 95 case '\0': 96 /* bytes per second if no suffix */ 97 break; 98 default: 99 usage(1); 100 } 101 break; 102 case 'c': 103 CyclePath = optarg; 104 break; 105 case 'd': 106 ++DebugOpt; 107 break; 108 case 'h': 109 usage(0); 110 /* not reached */ 111 case 'i': 112 DelayOpt = strtol(optarg, NULL, 0); 113 break; 114 case 'r': 115 RecurseOpt = 1; 116 break; 117 case 'f': 118 blkdevs = optarg; 119 break; 120 case 's': 121 LinkPath = optarg; 122 break; 123 case 't': 124 TimeoutOpt = strtol(optarg, NULL, 0); 125 break; 126 case 'v': 127 if (QuietOpt > 0) 128 --QuietOpt; 129 else 130 ++VerboseOpt; 131 break; 132 case 'q': 133 if (VerboseOpt > 0) 134 --VerboseOpt; 135 else 136 ++QuietOpt; 137 break; 138 case 'B': 139 BulkOpt = 1; 140 break; 141 case 'C': 142 cacheSize = strtol(optarg, &ptr, 0); 143 switch(*ptr) { 144 case 'm': 145 case 'M': 146 cacheSize *= 1024; 147 /* fall through */ 148 case 'k': 149 case 'K': 150 cacheSize *= 1024; 151 ++ptr; 152 break; 153 case '\0': 154 case ':': 155 /* bytes if no suffix */ 156 break; 157 default: 158 usage(1); 159 } 160 if (*ptr == ':') { 161 UseReadAhead = strtol(ptr + 1, NULL, 0); 162 UseReadBehind = -UseReadAhead; 163 } 164 if (cacheSize < 1024 * 1024) 165 cacheSize = 1024 * 1024; 166 if (UseReadAhead < 0) 167 usage(1); 168 if (UseReadAhead * HAMMER_BUFSIZE / cacheSize / 16) { 169 UseReadAhead = cacheSize / 16 / HAMMER_BUFSIZE; 170 UseReadBehind = -UseReadAhead; 171 } 172 hammer_cache_set(cacheSize); 173 break; 174 case 'F': 175 ForceOpt = 1; 176 break; 177 default: 178 usage(1); 179 /* not reached */ 180 } 181 } 182 ac -= optind; 183 av += optind; 184 if (ac < 1) { 185 usage(1); 186 /* not reached */ 187 } 188 189 signal(SIGALRM, sigalrm); 190 signal(SIGINT, sigintr); 191 192 if (strcmp(av[0], "synctid") == 0) { 193 hammer_cmd_synctid(av + 1, ac - 1); 194 exit(0); 195 } 196 if (strcmp(av[0], "namekey2") == 0) { 197 int64_t key; 198 int32_t crcx; 199 int len; 200 const char *aname = av[1]; 201 202 if (aname == NULL) 203 usage(1); 204 len = strlen(aname); 205 key = (u_int32_t)crc32(aname, len) & 0xFFFFFFFEU; 206 207 switch(len) { 208 default: 209 crcx = crc32(aname + 3, len - 5); 210 crcx = crcx ^ (crcx >> 6) ^ (crcx >> 12); 211 key |= (int64_t)(crcx & 0x3F) << 42; 212 /* fall through */ 213 case 5: 214 case 4: 215 /* fall through */ 216 case 3: 217 key |= ((int64_t)(aname[2] & 0x1F) << 48); 218 /* fall through */ 219 case 2: 220 key |= ((int64_t)(aname[1] & 0x1F) << 53) | 221 ((int64_t)(aname[len-2] & 0x1F) << 37); 222 /* fall through */ 223 case 1: 224 key |= ((int64_t)(aname[0] & 0x1F) << 58) | 225 ((int64_t)(aname[len-1] & 0x1F) << 32); 226 /* fall through */ 227 case 0: 228 break; 229 } 230 if (key == 0) 231 key |= 0x100000000LL; 232 printf("0x%016jx\n", (uintmax_t)key); 233 exit(0); 234 } 235 if (strcmp(av[0], "namekey1") == 0) { 236 int64_t key; 237 238 if (av[1] == NULL) 239 usage(1); 240 key = (int64_t)(crc32(av[1], strlen(av[1])) & 0x7FFFFFFF) << 32; 241 if (key == 0) 242 key |= 0x100000000LL; 243 printf("0x%016jx\n", (uintmax_t)key); 244 exit(0); 245 } 246 if (strcmp(av[0], "namekey32") == 0) { 247 int32_t key; 248 249 if (av[1] == NULL) 250 usage(1); 251 key = crc32(av[1], strlen(av[1])) & 0x7FFFFFFF; 252 if (key == 0) 253 ++key; 254 printf("0x%08x\n", key); 255 exit(0); 256 } 257 if (strcmp(av[0], "pfs-status") == 0) { 258 hammer_cmd_pseudofs_status(av + 1, ac - 1); 259 exit(0); 260 } 261 if (strcmp(av[0], "pfs-master") == 0) { 262 hammer_cmd_pseudofs_create(av + 1, ac - 1, 0); 263 exit(0); 264 } 265 if (strcmp(av[0], "pfs-slave") == 0) { 266 hammer_cmd_pseudofs_create(av + 1, ac - 1, 1); 267 exit(0); 268 } 269 if (strcmp(av[0], "pfs-update") == 0) { 270 hammer_cmd_pseudofs_update(av + 1, ac - 1); 271 exit(0); 272 } 273 if (strcmp(av[0], "pfs-upgrade") == 0) { 274 hammer_cmd_pseudofs_upgrade(av + 1, ac - 1); 275 exit(0); 276 } 277 if (strcmp(av[0], "pfs-downgrade") == 0) { 278 hammer_cmd_pseudofs_downgrade(av + 1, ac - 1); 279 exit(0); 280 } 281 if (strcmp(av[0], "pfs-destroy") == 0) { 282 hammer_cmd_pseudofs_destroy(av + 1, ac - 1); 283 exit(0); 284 } 285 if (strcmp(av[0], "status") == 0) { 286 hammer_cmd_status(av + 1, ac - 1); 287 exit(0); 288 } 289 if (strcmp(av[0], "prune") == 0) { 290 hammer_cmd_softprune(av + 1, ac - 1, 0); 291 exit(0); 292 } 293 if (strcmp(av[0], "config") == 0) { 294 hammer_cmd_config(av + 1, ac - 1); 295 exit(0); 296 } 297 if (strcmp(av[0], "viconfig") == 0) { 298 hammer_cmd_viconfig(av + 1, ac - 1); 299 exit(0); 300 } 301 if (strcmp(av[0], "cleanup") == 0) { 302 hammer_cmd_cleanup(av + 1, ac - 1); 303 exit(0); 304 } 305 if (strcmp(av[0], "info") == 0) { 306 hammer_cmd_info(); 307 exit(0); 308 } 309 if (strcmp(av[0], "prune-everything") == 0) { 310 hammer_cmd_softprune(av + 1, ac - 1, 1); 311 exit(0); 312 } 313 if (strcmp(av[0], "snap") == 0) { 314 hammer_cmd_snap(av + 1, ac - 1, 0, 1); 315 exit(0); 316 } 317 if (strcmp(av[0], "snaplo") == 0) { 318 hammer_cmd_snap(av + 1, ac - 1, 0, 0); 319 exit(0); 320 } 321 if (strcmp(av[0], "snapq") == 0) { 322 hammer_cmd_snap(av + 1, ac - 1, 1, 0); 323 exit(0); 324 } 325 if (strcmp(av[0], "snapls") == 0) { 326 hammer_cmd_snapls(av + 1, ac - 1); 327 exit(0); 328 } 329 if (strcmp(av[0], "snaprm") == 0) { 330 hammer_cmd_snaprm(av + 1, ac - 1); 331 exit(0); 332 } 333 if (strcmp(av[0], "snapshot") == 0) { 334 hammer_cmd_snapshot(av + 1, ac - 1); 335 exit(0); 336 } 337 if (strcmp(av[0], "bstats") == 0) { 338 hammer_cmd_bstats(av + 1, ac - 1); 339 exit(0); 340 } 341 if (strcmp(av[0], "iostats") == 0) { 342 hammer_cmd_iostats(av + 1, ac - 1); 343 exit(0); 344 } 345 346 if (strncmp(av[0], "history", 7) == 0) { 347 hammer_cmd_history(av[0] + 7, av + 1, ac - 1); 348 exit(0); 349 } 350 if (strcmp(av[0], "rebalance") == 0) { 351 signal(SIGINT, sigalrm); 352 hammer_cmd_rebalance(av + 1, ac - 1); 353 exit(0); 354 } 355 if (strncmp(av[0], "reblock", 7) == 0) { 356 signal(SIGINT, sigalrm); 357 if (strcmp(av[0], "reblock") == 0) 358 hammer_cmd_reblock(av + 1, ac - 1, -1); 359 else if (strcmp(av[0], "reblock-btree") == 0) 360 hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_BTREE); 361 else if (strcmp(av[0], "reblock-inodes") == 0) 362 hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_INODES); 363 else if (strcmp(av[0], "reblock-dirs") == 0) 364 hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_DIRS); 365 else if (strcmp(av[0], "reblock-data") == 0) 366 hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_DATA); 367 else 368 usage(1); 369 exit(0); 370 } 371 if (strncmp(av[0], "mirror", 6) == 0) { 372 if (strcmp(av[0], "mirror-read") == 0) 373 hammer_cmd_mirror_read(av + 1, ac - 1, 0); 374 else if (strcmp(av[0], "mirror-read-stream") == 0) 375 hammer_cmd_mirror_read(av + 1, ac - 1, 1); 376 else if (strcmp(av[0], "mirror-write") == 0) 377 hammer_cmd_mirror_write(av + 1, ac - 1); 378 else if (strcmp(av[0], "mirror-copy") == 0) 379 hammer_cmd_mirror_copy(av + 1, ac - 1, 0); 380 else if (strcmp(av[0], "mirror-stream") == 0) 381 hammer_cmd_mirror_copy(av + 1, ac - 1, 1); 382 else if (strcmp(av[0], "mirror-dump") == 0) 383 hammer_cmd_mirror_dump(); 384 else 385 usage(1); 386 exit(0); 387 } 388 if (strcmp(av[0], "version") == 0) { 389 hammer_cmd_get_version(av + 1, ac - 1); 390 exit(0); 391 } 392 if (strcmp(av[0], "version-upgrade") == 0) { 393 hammer_cmd_set_version(av + 1, ac - 1); 394 exit(0); 395 } 396 if (strcmp(av[0], "expand") == 0) { 397 hammer_cmd_expand(av + 1, ac - 1); 398 exit(0); 399 } 400 401 uuid_name_lookup(&Hammer_FSType, "DragonFly HAMMER", &status); 402 if (status != uuid_s_ok) { 403 errx(1, "uuids file does not have the DragonFly " 404 "HAMMER filesystem type"); 405 } 406 407 if (strcmp(av[0], "show") == 0) { 408 u_int32_t lo = 0; 409 intmax_t obj_id = (int64_t)HAMMER_MIN_OBJID; 410 411 hammer_parsedevs(blkdevs); 412 if (ac > 1) 413 sscanf(av[1], "%08x:%jx", &lo, &obj_id); 414 hammer_cmd_show(-1, lo, (int64_t)obj_id, 0, NULL, NULL); 415 exit(0); 416 } 417 if (strcmp(av[0], "show-undo") == 0) { 418 hammer_parsedevs(blkdevs); 419 hammer_cmd_show_undo(); 420 exit(0); 421 } 422 if (strcmp(av[0], "blockmap") == 0) { 423 hammer_parsedevs(blkdevs); 424 hammer_cmd_blockmap(); 425 exit(0); 426 } 427 usage(1); 428 /* not reached */ 429 return(0); 430 } 431 432 /* 433 * Parse the device specification. 434 * 435 * Multi-volume hammer devices are colon-separated. Each element 436 * may be further expanded via /etc/devtab. One may also specify 437 * a single element which is expanded into multiple elements via 438 * /etc/devtab. 439 */ 440 static 441 void 442 hammer_parsedevs(const char *blkdevs) 443 { 444 char *copy; 445 char *volname; 446 447 if (blkdevs == NULL) { 448 errx(1, "A -f blkdevs specification is required " 449 "for this command"); 450 } 451 452 copy = strdup(blkdevs); 453 while ((volname = copy) != NULL) { 454 if ((copy = strchr(copy, ':')) != NULL) 455 *copy++ = 0; 456 volname = getdevpath(volname, 0); 457 if (strchr(volname, ':')) 458 hammer_parsedevs(volname); 459 else 460 setup_volume(-1, volname, 0, O_RDONLY); 461 } 462 } 463 464 static 465 void 466 sigalrm(int signo __unused) 467 { 468 /* do nothing (interrupts HAMMER ioctl) */ 469 } 470 471 static 472 void 473 sigintr(int signo __unused) 474 { 475 if (RunningIoctl == 0) 476 _exit(1); 477 DidInterrupt = 1; 478 /* do nothing (interrupts HAMMER ioctl) */ 479 } 480 481 static 482 void 483 usage(int exit_code) 484 { 485 fprintf(stderr, 486 "hammer -h\n" 487 "hammer [-2Bqrvy] [-b bandwidth] [-C cachesize[:readahead]] [-c cyclefile]\n" 488 " [-f blkdevs] [-i delay] [-t seconds] command [argument ...]\n" 489 "hammer synctid <filesystem> [quick]\n" 490 "hammer -f blkdevs blockmap\n" 491 "hammer bstats [interval]\n" 492 "hammer iostats [interval]\n" 493 "hammer history[@offset[,len]] <file> ...\n" 494 "hammer -f blkdevs [-qqq] show [lo:objid]\n" 495 "hammer namekey1 <path>\n" 496 "hammer namekey2 <path>\n" 497 "hammer namekey32 <path>\n" 498 "hammer cleanup [<filesystem> ...]\n" 499 "hammer info\n" 500 "hammer snapshot [<filesystem>] <snapshot-dir>\n" 501 "hammer snapshot <filesystem> <snapshot-dir> [<note>]\n" 502 "hammer prune <softlink-dir>\n" 503 "hammer prune-everything <filesystem>\n" 504 "hammer rebalance <filesystem> [saturation_percentage]\n" 505 "hammer reblock[-btree|-inodes|-dirs|-data] " 506 "<filesystem> [fill_percentage]\n" 507 "hammer pfs-status <dirpath> ...\n" 508 "hammer pfs-master <dirpath> [options]\n" 509 "hammer pfs-slave <dirpath> [options]\n" 510 "hammer pfs-update <dirpath> [options]\n" 511 "hammer pfs-upgrade <dirpath>\n" 512 "hammer pfs-downgrade <dirpath>\n" 513 "hammer pfs-destroy <dirpath>\n" 514 "hammer mirror-read <filesystem> [begin-tid]\n" 515 "hammer mirror-read-stream <filesystem> [begin-tid]\n" 516 "hammer mirror-write <filesystem>\n" 517 "hammer mirror-dump\n" 518 "hammer mirror-copy [[user@]host:]<filesystem>" 519 " [[user@]host:]<filesystem>\n" 520 "hammer mirror-stream [[user@]host:]<filesystem>" 521 " [[user@]host:]<filesystem>\n" 522 "hammer version <filesystem>\n" 523 "hammer version-upgrade <filesystem> <version> [force]\n" 524 "hammer expand <filesystem> <device>\n" 525 ); 526 527 fprintf(stderr, "\nHAMMER utility version 3+ commands:\n"); 528 529 fprintf(stderr, 530 "hammer config [<filesystem> [<configfile>]]\n" 531 "hammer viconfig [<filesystem>]\n" 532 "hammer snap <path> [<note>]\n" 533 "hammer snaplo <path> [<note>]\n" 534 "hammer snapq <dir> [<note>]\n" 535 "hammer snaprm {<path> | <transid>} ...\n" 536 "hammer snapls [<path> ...]\n" 537 ); 538 539 fprintf(stderr, "\nHAMMER utility version 4+ commands:\n"); 540 541 fprintf(stderr, 542 "hammer -f blkdevs show-undo\n" 543 ); 544 545 exit(exit_code); 546 } 547 548