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
34 * $DragonFly: src/sbin/hammer/hammer.c,v 1.43 2008/10/08 21:01:54 thomas Exp $
41 static void hammer_parsedevs(const char *blkdevs);
42 static void sigalrm(int signo);
43 static void usage(int exit_code);
52 u_int64_t BandwidthOpt;
53 const char *CyclePath;
57 main(int ac, char **av)
64 while ((ch = getopt(ac, av, "b:c:dhf:i:qrs:t:v2")) != -1) {
70 BandwidthOpt = strtoull(optarg, &ptr, 0);
98 DelayOpt = strtol(optarg, NULL, 0);
110 TimeoutOpt = strtol(optarg, NULL, 0);
136 signal(SIGALRM, sigalrm);
138 if (strcmp(av[0], "synctid") == 0) {
139 hammer_cmd_synctid(av + 1, ac - 1);
142 if (strcmp(av[0], "namekey") == 0) {
147 key = (int64_t)(crc32(av[1], strlen(av[1])) & 0x7FFFFFFF) << 32;
149 key |= 0x100000000LL;
150 printf("0x%016llx\n", key);
153 if (strcmp(av[0], "namekey32") == 0) {
158 key = crc32(av[1], strlen(av[1])) & 0x7FFFFFFF;
161 printf("0x%08x\n", key);
164 if (strcmp(av[0], "pfs-status") == 0) {
165 hammer_cmd_pseudofs_status(av + 1, ac - 1);
168 if (strcmp(av[0], "pfs-master") == 0) {
169 hammer_cmd_pseudofs_create(av + 1, ac - 1, 0);
172 if (strcmp(av[0], "pfs-slave") == 0) {
173 hammer_cmd_pseudofs_create(av + 1, ac - 1, 1);
176 if (strcmp(av[0], "pfs-update") == 0) {
177 hammer_cmd_pseudofs_update(av + 1, ac - 1);
180 if (strcmp(av[0], "pfs-upgrade") == 0) {
181 hammer_cmd_pseudofs_upgrade(av + 1, ac - 1);
184 if (strcmp(av[0], "pfs-downgrade") == 0) {
185 hammer_cmd_pseudofs_downgrade(av + 1, ac - 1);
188 if (strcmp(av[0], "pfs-destroy") == 0) {
189 hammer_cmd_pseudofs_destroy(av + 1, ac - 1);
192 if (strcmp(av[0], "status") == 0) {
193 hammer_cmd_status(av + 1, ac - 1);
196 if (strcmp(av[0], "prune") == 0) {
197 hammer_cmd_softprune(av + 1, ac - 1, 0);
200 if (strcmp(av[0], "cleanup") == 0) {
201 hammer_cmd_cleanup(av + 1, ac - 1);
204 if (strcmp(av[0], "prune-everything") == 0) {
205 hammer_cmd_softprune(av + 1, ac - 1, 1);
208 if (strcmp(av[0], "snapshot") == 0) {
209 hammer_cmd_snapshot(av + 1, ac - 1);
212 if (strcmp(av[0], "bstats") == 0) {
213 hammer_cmd_bstats(av + 1, ac - 1);
216 if (strcmp(av[0], "iostats") == 0) {
217 hammer_cmd_iostats(av + 1, ac - 1);
221 if (strncmp(av[0], "history", 7) == 0) {
222 hammer_cmd_history(av[0] + 7, av + 1, ac - 1);
225 if (strncmp(av[0], "reblock", 7) == 0) {
226 signal(SIGINT, sigalrm);
227 if (strcmp(av[0], "reblock") == 0)
228 hammer_cmd_reblock(av + 1, ac - 1, -1);
229 else if (strcmp(av[0], "reblock-btree") == 0)
230 hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_BTREE);
231 else if (strcmp(av[0], "reblock-inodes") == 0)
232 hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_INODES);
233 else if (strcmp(av[0], "reblock-dirs") == 0)
234 hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_DIRS);
235 else if (strcmp(av[0], "reblock-data") == 0)
236 hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_DATA);
241 if (strncmp(av[0], "mirror", 6) == 0) {
242 if (strcmp(av[0], "mirror-read") == 0)
243 hammer_cmd_mirror_read(av + 1, ac - 1, 0);
244 else if (strcmp(av[0], "mirror-read-stream") == 0)
245 hammer_cmd_mirror_read(av + 1, ac - 1, 1);
246 else if (strcmp(av[0], "mirror-write") == 0)
247 hammer_cmd_mirror_write(av + 1, ac - 1);
248 else if (strcmp(av[0], "mirror-copy") == 0)
249 hammer_cmd_mirror_copy(av + 1, ac - 1, 0);
250 else if (strcmp(av[0], "mirror-stream") == 0)
251 hammer_cmd_mirror_copy(av + 1, ac - 1, 1);
252 else if (strcmp(av[0], "mirror-dump") == 0)
253 hammer_cmd_mirror_dump();
259 uuid_name_lookup(&Hammer_FSType, "DragonFly HAMMER", &status);
260 if (status != uuid_s_ok) {
261 errx(1, "uuids file does not have the DragonFly "
262 "HAMMER filesystem type");
265 if (strcmp(av[0], "show") == 0) {
266 hammer_off_t node_offset = (hammer_off_t)-1;
268 hammer_parsedevs(blkdevs);
270 sscanf(av[1], "%llx", &node_offset);
271 hammer_cmd_show(node_offset, 0, NULL, NULL);
274 if (strcmp(av[0], "blockmap") == 0) {
275 hammer_parsedevs(blkdevs);
276 hammer_cmd_blockmap();
286 hammer_parsedevs(const char *blkdevs)
291 if (blkdevs == NULL) {
292 errx(1, "A -f blkdev[:blkdev]* specification is required "
296 copy = strdup(blkdevs);
297 while ((volname = copy) != NULL) {
298 if ((copy = strchr(copy, ':')) != NULL)
300 setup_volume(-1, volname, 0, O_RDONLY);
306 sigalrm(int signo __unused)
308 /* do nothing (interrupts HAMMER ioctl) */
317 "hammer [-2qrv] [-b bandwidth] [-c cyclefile] [-f blkdev[:blkdev]*]\n"
318 " [-i delay ] [-t seconds] command [argument ...]\n"
319 "hammer synctid <filesystem> [quick]\n"
320 "hammer bstats [interval]\n"
321 "hammer iostats [interval]\n"
322 "hammer history[@offset[,len]] <file> ...\n"
323 "hammer -f blkdev[:blkdev]* [-r] show [offset]\n"
325 "hammer -f blkdev[:blkdev]* blockmap\n"
327 "hammer namekey[32] <path>\n"
328 "hammer cleanup [<filesystem> ...]\n"
329 "hammer snapshot [<filesystem>] <snapshot-dir>\n"
330 "hammer prune <softlink-dir>\n"
331 "hammer prune-everything <filesystem>\n"
332 "hammer reblock[-btree/inodes/dirs/data] "
333 "<filesystem> [fill_percentage]\n"
334 "hammer pfs-status <dirpath> ...\n"
335 "hammer pfs-master <dirpath> [options]\n"
336 "hammer pfs-slave <dirpath> [options]\n"
337 "hammer pfs-update <dirpath> [options]\n"
338 "hammer pfs-upgrade <dirpath>\n"
339 "hammer pfs-downgrade <dirpath>\n"
340 "hammer pfs-destroy <dirpath>\n"
341 "hammer mirror-read <filesystem> [begin-tid]\n"
342 "hammer mirror-read-stream <filesystem> [begin-tid]\n"
343 "hammer mirror-write <filesystem>\n"
344 "hammer mirror-dump\n"
345 "hammer mirror-copy [[user@]host:]<filesystem>"
346 " [[user@]host:]<filesystem>\n"
347 "hammer mirror-stream [[user@]host:]<filesystem>"
348 " [[user@]host:]<filesystem>\n"