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 41 static void hammer_parsedevs(const char *blkdevs); 42 static void sigalrm(int signo); 43 static void sigintr(int signo); 44 static void usage(int exit_code); 45 46 int RecurseOpt; 47 int VerboseOpt; 48 int QuietOpt; 49 int NoSyncOpt; 50 int TwoWayPipeOpt; 51 int TimeoutOpt; 52 int DelayOpt = 5; 53 int RunningIoctl; 54 int DidInterrupt; 55 u_int64_t BandwidthOpt; 56 const char *CyclePath; 57 const char *LinkPath; 58 59 int 60 main(int ac, char **av) 61 { 62 char *blkdevs = NULL; 63 char *ptr; 64 u_int32_t status; 65 int ch; 66 67 while ((ch = getopt(ac, av, "b:c:dhf:i:qrs:t:v2")) != -1) { 68 switch(ch) { 69 case '2': 70 TwoWayPipeOpt = 1; 71 break; 72 case 'b': 73 BandwidthOpt = strtoull(optarg, &ptr, 0); 74 switch(*ptr) { 75 case 'g': 76 case 'G': 77 BandwidthOpt *= 1024; 78 /* fall through */ 79 case 'm': 80 case 'M': 81 BandwidthOpt *= 1024; 82 /* fall through */ 83 case 'k': 84 case 'K': 85 BandwidthOpt *= 1024; 86 break; 87 default: 88 usage(1); 89 } 90 break; 91 case 'c': 92 CyclePath = optarg; 93 break; 94 case 'd': 95 ++DebugOpt; 96 break; 97 case 'h': 98 usage(0); 99 /* not reached */ 100 case 'i': 101 DelayOpt = strtol(optarg, NULL, 0); 102 break; 103 case 'r': 104 RecurseOpt = 1; 105 break; 106 case 'f': 107 blkdevs = optarg; 108 break; 109 case 's': 110 LinkPath = optarg; 111 break; 112 case 't': 113 TimeoutOpt = strtol(optarg, NULL, 0); 114 break; 115 case 'v': 116 if (QuietOpt > 0) 117 --QuietOpt; 118 else 119 ++VerboseOpt; 120 break; 121 case 'q': 122 if (VerboseOpt > 0) 123 --VerboseOpt; 124 else 125 ++QuietOpt; 126 break; 127 default: 128 usage(1); 129 /* not reached */ 130 } 131 } 132 ac -= optind; 133 av += optind; 134 if (ac < 1) { 135 usage(1); 136 /* not reached */ 137 } 138 139 signal(SIGALRM, sigalrm); 140 signal(SIGINT, sigintr); 141 142 if (strcmp(av[0], "synctid") == 0) { 143 hammer_cmd_synctid(av + 1, ac - 1); 144 exit(0); 145 } 146 if (strcmp(av[0], "namekey2") == 0) { 147 int64_t key; 148 int32_t crcx; 149 int len; 150 const char *aname = av[1]; 151 152 if (aname == NULL) 153 usage(1); 154 len = strlen(aname); 155 key = (u_int32_t)crc32(aname, len) & 0xFFFFFFFEU; 156 157 switch(len) { 158 default: 159 crcx = crc32(aname + 3, len - 5); 160 crcx = crcx ^ (crcx >> 6) ^ (crcx >> 12); 161 key |= (int64_t)(crcx & 0x3F) << 42; 162 /* fall through */ 163 case 5: 164 case 4: 165 /* fall through */ 166 case 3: 167 key |= ((int64_t)(aname[2] & 0x1F) << 48); 168 /* fall through */ 169 case 2: 170 key |= ((int64_t)(aname[1] & 0x1F) << 53) | 171 ((int64_t)(aname[len-2] & 0x1F) << 37); 172 /* fall through */ 173 case 1: 174 key |= ((int64_t)(aname[0] & 0x1F) << 58) | 175 ((int64_t)(aname[len-1] & 0x1F) << 32); 176 /* fall through */ 177 case 0: 178 break; 179 } 180 if (key == 0) 181 key |= 0x100000000LL; 182 printf("0x%016llx\n", key); 183 exit(0); 184 } 185 if (strcmp(av[0], "namekey1") == 0) { 186 int64_t key; 187 188 if (av[1] == NULL) 189 usage(1); 190 key = (int64_t)(crc32(av[1], strlen(av[1])) & 0x7FFFFFFF) << 32; 191 if (key == 0) 192 key |= 0x100000000LL; 193 printf("0x%016llx\n", key); 194 exit(0); 195 } 196 if (strcmp(av[0], "namekey32") == 0) { 197 int32_t key; 198 199 if (av[1] == NULL) 200 usage(1); 201 key = crc32(av[1], strlen(av[1])) & 0x7FFFFFFF; 202 if (key == 0) 203 ++key; 204 printf("0x%08x\n", key); 205 exit(0); 206 } 207 if (strcmp(av[0], "pfs-status") == 0) { 208 hammer_cmd_pseudofs_status(av + 1, ac - 1); 209 exit(0); 210 } 211 if (strcmp(av[0], "pfs-master") == 0) { 212 hammer_cmd_pseudofs_create(av + 1, ac - 1, 0); 213 exit(0); 214 } 215 if (strcmp(av[0], "pfs-slave") == 0) { 216 hammer_cmd_pseudofs_create(av + 1, ac - 1, 1); 217 exit(0); 218 } 219 if (strcmp(av[0], "pfs-update") == 0) { 220 hammer_cmd_pseudofs_update(av + 1, ac - 1); 221 exit(0); 222 } 223 if (strcmp(av[0], "pfs-upgrade") == 0) { 224 hammer_cmd_pseudofs_upgrade(av + 1, ac - 1); 225 exit(0); 226 } 227 if (strcmp(av[0], "pfs-downgrade") == 0) { 228 hammer_cmd_pseudofs_downgrade(av + 1, ac - 1); 229 exit(0); 230 } 231 if (strcmp(av[0], "pfs-destroy") == 0) { 232 hammer_cmd_pseudofs_destroy(av + 1, ac - 1); 233 exit(0); 234 } 235 if (strcmp(av[0], "status") == 0) { 236 hammer_cmd_status(av + 1, ac - 1); 237 exit(0); 238 } 239 if (strcmp(av[0], "prune") == 0) { 240 hammer_cmd_softprune(av + 1, ac - 1, 0); 241 exit(0); 242 } 243 if (strcmp(av[0], "cleanup") == 0) { 244 hammer_cmd_cleanup(av + 1, ac - 1); 245 exit(0); 246 } 247 if (strcmp(av[0], "prune-everything") == 0) { 248 hammer_cmd_softprune(av + 1, ac - 1, 1); 249 exit(0); 250 } 251 if (strcmp(av[0], "snapshot") == 0) { 252 hammer_cmd_snapshot(av + 1, ac - 1); 253 exit(0); 254 } 255 if (strcmp(av[0], "bstats") == 0) { 256 hammer_cmd_bstats(av + 1, ac - 1); 257 exit(0); 258 } 259 if (strcmp(av[0], "iostats") == 0) { 260 hammer_cmd_iostats(av + 1, ac - 1); 261 exit(0); 262 } 263 264 if (strncmp(av[0], "history", 7) == 0) { 265 hammer_cmd_history(av[0] + 7, av + 1, ac - 1); 266 exit(0); 267 } 268 if (strncmp(av[0], "reblock", 7) == 0) { 269 signal(SIGINT, sigalrm); 270 if (strcmp(av[0], "reblock") == 0) 271 hammer_cmd_reblock(av + 1, ac - 1, -1); 272 else if (strcmp(av[0], "reblock-btree") == 0) 273 hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_BTREE); 274 else if (strcmp(av[0], "reblock-inodes") == 0) 275 hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_INODES); 276 else if (strcmp(av[0], "reblock-dirs") == 0) 277 hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_DIRS); 278 else if (strcmp(av[0], "reblock-data") == 0) 279 hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_DATA); 280 else 281 usage(1); 282 exit(0); 283 } 284 if (strncmp(av[0], "mirror", 6) == 0) { 285 if (strcmp(av[0], "mirror-read") == 0) 286 hammer_cmd_mirror_read(av + 1, ac - 1, 0); 287 else if (strcmp(av[0], "mirror-read-stream") == 0) 288 hammer_cmd_mirror_read(av + 1, ac - 1, 1); 289 else if (strcmp(av[0], "mirror-write") == 0) 290 hammer_cmd_mirror_write(av + 1, ac - 1); 291 else if (strcmp(av[0], "mirror-copy") == 0) 292 hammer_cmd_mirror_copy(av + 1, ac - 1, 0); 293 else if (strcmp(av[0], "mirror-stream") == 0) 294 hammer_cmd_mirror_copy(av + 1, ac - 1, 1); 295 else if (strcmp(av[0], "mirror-dump") == 0) 296 hammer_cmd_mirror_dump(); 297 else 298 usage(1); 299 exit(0); 300 } 301 if (strcmp(av[0], "version") == 0) { 302 hammer_cmd_get_version(av + 1, ac - 1); 303 exit(0); 304 } 305 if (strcmp(av[0], "version-upgrade") == 0) { 306 hammer_cmd_set_version(av + 1, ac - 1); 307 exit(0); 308 } 309 310 uuid_name_lookup(&Hammer_FSType, "DragonFly HAMMER", &status); 311 if (status != uuid_s_ok) { 312 errx(1, "uuids file does not have the DragonFly " 313 "HAMMER filesystem type"); 314 } 315 316 if (strcmp(av[0], "show") == 0) { 317 hammer_off_t node_offset = (hammer_off_t)-1; 318 319 hammer_parsedevs(blkdevs); 320 if (ac > 1) 321 sscanf(av[1], "%llx", &node_offset); 322 hammer_cmd_show(node_offset, 0, NULL, NULL); 323 exit(0); 324 } 325 if (strcmp(av[0], "blockmap") == 0) { 326 hammer_parsedevs(blkdevs); 327 hammer_cmd_blockmap(); 328 exit(0); 329 } 330 usage(1); 331 /* not reached */ 332 return(0); 333 } 334 335 static 336 void 337 hammer_parsedevs(const char *blkdevs) 338 { 339 char *copy; 340 char *volname; 341 342 if (blkdevs == NULL) { 343 errx(1, "A -f blkdev[:blkdev]* specification is required " 344 "for this command"); 345 } 346 347 copy = strdup(blkdevs); 348 while ((volname = copy) != NULL) { 349 if ((copy = strchr(copy, ':')) != NULL) 350 *copy++ = 0; 351 setup_volume(-1, volname, 0, O_RDONLY); 352 } 353 } 354 355 static 356 void 357 sigalrm(int signo __unused) 358 { 359 /* do nothing (interrupts HAMMER ioctl) */ 360 } 361 362 static 363 void 364 sigintr(int signo __unused) 365 { 366 if (RunningIoctl == 0) 367 _exit(1); 368 DidInterrupt = 1; 369 /* do nothing (interrupts HAMMER ioctl) */ 370 } 371 372 static 373 void 374 usage(int exit_code) 375 { 376 fprintf(stderr, 377 "hammer -h\n" 378 "hammer [-2qrv] [-b bandwidth] [-c cyclefile] [-f blkdev[:blkdev]*]\n" 379 " [-i delay ] [-t seconds] command [argument ...]\n" 380 "hammer synctid <filesystem> [quick]\n" 381 "hammer -f blkdev[:blkdev]* blockmap\n" 382 "hammer bstats [interval]\n" 383 "hammer iostats [interval]\n" 384 "hammer history[@offset[,len]] <file> ...\n" 385 "hammer -f blkdev[:blkdev]* [-r] show [offset]\n" 386 #if 0 387 "hammer -f blkdev[:blkdev]* blockmap\n" 388 #endif 389 "hammer namekey1 <path>\n" 390 "hammer namekey2 <path>\n" 391 "hammer cleanup [<filesystem> ...]\n" 392 "hammer snapshot [<filesystem>] <snapshot-dir>\n" 393 "hammer prune <softlink-dir>\n" 394 "hammer prune-everything <filesystem>\n" 395 "hammer reblock[-btree/inodes/dirs/data] " 396 "<filesystem> [fill_percentage]\n" 397 "hammer pfs-status <dirpath> ...\n" 398 "hammer pfs-master <dirpath> [options]\n" 399 "hammer pfs-slave <dirpath> [options]\n" 400 "hammer pfs-update <dirpath> [options]\n" 401 "hammer pfs-upgrade <dirpath>\n" 402 "hammer pfs-downgrade <dirpath>\n" 403 "hammer pfs-destroy <dirpath>\n" 404 "hammer mirror-read <filesystem> [begin-tid]\n" 405 "hammer mirror-read-stream <filesystem> [begin-tid]\n" 406 "hammer mirror-write <filesystem>\n" 407 "hammer mirror-dump\n" 408 "hammer mirror-copy [[user@]host:]<filesystem>" 409 " [[user@]host:]<filesystem>\n" 410 "hammer mirror-stream [[user@]host:]<filesystem>" 411 " [[user@]host:]<filesystem>\n" 412 "hammer version <filesystem>\n" 413 "hammer version-upgrade <filesystem> version# [force]\n" 414 ); 415 exit(exit_code); 416 } 417 418