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], "cleanup") == 0) { 294 hammer_cmd_cleanup(av + 1, ac - 1); 295 exit(0); 296 } 297 if (strcmp(av[0], "info") == 0) { 298 hammer_cmd_info(); 299 exit(0); 300 } 301 if (strcmp(av[0], "prune-everything") == 0) { 302 hammer_cmd_softprune(av + 1, ac - 1, 1); 303 exit(0); 304 } 305 if (strcmp(av[0], "snapshot") == 0) { 306 hammer_cmd_snapshot(av + 1, ac - 1); 307 exit(0); 308 } 309 if (strcmp(av[0], "bstats") == 0) { 310 hammer_cmd_bstats(av + 1, ac - 1); 311 exit(0); 312 } 313 if (strcmp(av[0], "iostats") == 0) { 314 hammer_cmd_iostats(av + 1, ac - 1); 315 exit(0); 316 } 317 318 if (strncmp(av[0], "history", 7) == 0) { 319 hammer_cmd_history(av[0] + 7, av + 1, ac - 1); 320 exit(0); 321 } 322 if (strcmp(av[0], "rebalance") == 0) { 323 signal(SIGINT, sigalrm); 324 hammer_cmd_rebalance(av + 1, ac - 1); 325 exit(0); 326 } 327 if (strncmp(av[0], "reblock", 7) == 0) { 328 signal(SIGINT, sigalrm); 329 if (strcmp(av[0], "reblock") == 0) 330 hammer_cmd_reblock(av + 1, ac - 1, -1); 331 else if (strcmp(av[0], "reblock-btree") == 0) 332 hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_BTREE); 333 else if (strcmp(av[0], "reblock-inodes") == 0) 334 hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_INODES); 335 else if (strcmp(av[0], "reblock-dirs") == 0) 336 hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_DIRS); 337 else if (strcmp(av[0], "reblock-data") == 0) 338 hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_DATA); 339 else 340 usage(1); 341 exit(0); 342 } 343 if (strncmp(av[0], "mirror", 6) == 0) { 344 if (strcmp(av[0], "mirror-read") == 0) 345 hammer_cmd_mirror_read(av + 1, ac - 1, 0); 346 else if (strcmp(av[0], "mirror-read-stream") == 0) 347 hammer_cmd_mirror_read(av + 1, ac - 1, 1); 348 else if (strcmp(av[0], "mirror-write") == 0) 349 hammer_cmd_mirror_write(av + 1, ac - 1); 350 else if (strcmp(av[0], "mirror-copy") == 0) 351 hammer_cmd_mirror_copy(av + 1, ac - 1, 0); 352 else if (strcmp(av[0], "mirror-stream") == 0) 353 hammer_cmd_mirror_copy(av + 1, ac - 1, 1); 354 else if (strcmp(av[0], "mirror-dump") == 0) 355 hammer_cmd_mirror_dump(); 356 else 357 usage(1); 358 exit(0); 359 } 360 if (strcmp(av[0], "version") == 0) { 361 hammer_cmd_get_version(av + 1, ac - 1); 362 exit(0); 363 } 364 if (strcmp(av[0], "version-upgrade") == 0) { 365 hammer_cmd_set_version(av + 1, ac - 1); 366 exit(0); 367 } 368 if (strcmp(av[0], "expand") == 0) { 369 hammer_cmd_expand(av + 1, ac - 1); 370 exit(0); 371 } 372 373 uuid_name_lookup(&Hammer_FSType, "DragonFly HAMMER", &status); 374 if (status != uuid_s_ok) { 375 errx(1, "uuids file does not have the DragonFly " 376 "HAMMER filesystem type"); 377 } 378 379 if (strcmp(av[0], "show") == 0) { 380 u_int32_t lo = 0; 381 intmax_t obj_id = (int64_t)HAMMER_MIN_OBJID; 382 383 hammer_parsedevs(blkdevs); 384 if (ac > 1) 385 sscanf(av[1], "%08x:%jx", &lo, &obj_id); 386 hammer_cmd_show(-1, lo, (int64_t)obj_id, 0, NULL, NULL); 387 exit(0); 388 } 389 if (strcmp(av[0], "blockmap") == 0) { 390 hammer_parsedevs(blkdevs); 391 hammer_cmd_blockmap(); 392 exit(0); 393 } 394 usage(1); 395 /* not reached */ 396 return(0); 397 } 398 399 /* 400 * Parse the device specification. 401 * 402 * Multi-volume hammer devices are colon-separated. Each element 403 * may be further expanded via /etc/devtab. One may also specify 404 * a single element which is expanded into multiple elements via 405 * /etc/devtab. 406 */ 407 static 408 void 409 hammer_parsedevs(const char *blkdevs) 410 { 411 char *copy; 412 char *volname; 413 414 if (blkdevs == NULL) { 415 errx(1, "A -f blkdev[:blkdev]* specification is required " 416 "for this command"); 417 } 418 419 copy = strdup(blkdevs); 420 while ((volname = copy) != NULL) { 421 if ((copy = strchr(copy, ':')) != NULL) 422 *copy++ = 0; 423 volname = getdevpath(volname, 0); 424 if (strchr(volname, ':')) 425 hammer_parsedevs(volname); 426 else 427 setup_volume(-1, volname, 0, O_RDONLY); 428 } 429 } 430 431 static 432 void 433 sigalrm(int signo __unused) 434 { 435 /* do nothing (interrupts HAMMER ioctl) */ 436 } 437 438 static 439 void 440 sigintr(int signo __unused) 441 { 442 if (RunningIoctl == 0) 443 _exit(1); 444 DidInterrupt = 1; 445 /* do nothing (interrupts HAMMER ioctl) */ 446 } 447 448 static 449 void 450 usage(int exit_code) 451 { 452 fprintf(stderr, 453 "hammer -h\n" 454 "hammer [-2qrvy] [-b bandwidth] [-c cyclefile] [-f blkdev[:blkdev]*]\n" 455 " [-i delay ] [-t seconds] command [argument ...]\n" 456 "hammer synctid <filesystem> [quick]\n" 457 "hammer -f blkdev[:blkdev]* blockmap\n" 458 "hammer bstats [interval]\n" 459 "hammer iostats [interval]\n" 460 "hammer history[@offset[,len]] <file> ...\n" 461 "hammer -f blkdev[:blkdev]* [-r] [-vvv] show [offset]\n" 462 #if 0 463 "hammer -f blkdev[:blkdev]* blockmap\n" 464 #endif 465 "hammer namekey1 <path>\n" 466 "hammer namekey2 <path>\n" 467 "hammer cleanup [<filesystem> ...]\n" 468 "hammer info\n" 469 "hammer snapshot [<filesystem>] <snapshot-dir>\n" 470 "hammer prune <softlink-dir>\n" 471 "hammer prune-everything <filesystem>\n" 472 "hammer rebalance <filesystem> [saturation_percentage]\n" 473 "hammer reblock[-btree/inodes/dirs/data] " 474 "<filesystem> [fill_percentage]\n" 475 "hammer pfs-status <dirpath> ...\n" 476 "hammer pfs-master <dirpath> [options]\n" 477 "hammer pfs-slave <dirpath> [options]\n" 478 "hammer pfs-update <dirpath> [options]\n" 479 "hammer pfs-upgrade <dirpath>\n" 480 "hammer pfs-downgrade <dirpath>\n" 481 "hammer pfs-destroy <dirpath>\n" 482 "hammer mirror-read <filesystem> [begin-tid]\n" 483 "hammer mirror-read-stream <filesystem> [begin-tid]\n" 484 "hammer mirror-write <filesystem>\n" 485 "hammer mirror-dump\n" 486 "hammer mirror-copy [[user@]host:]<filesystem>" 487 " [[user@]host:]<filesystem>\n" 488 "hammer mirror-stream [[user@]host:]<filesystem>" 489 " [[user@]host:]<filesystem>\n" 490 "hammer version <filesystem>\n" 491 "hammer version-upgrade <filesystem> version# [force]\n" 492 "hammer expand <filesystem> <device>\n" 493 ); 494 exit(exit_code); 495 } 496 497