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 1.30 2008/07/07 00:27:22 dillon Exp $
41 static void hammer_parsedevs(const char *blkdevs);
42 static void sigalrm(int signo);
43 static void usage(int exit_code);
50 const char *CyclePath;
54 main(int ac, char **av)
60 while ((ch = getopt(ac, av, "c:dhf:rs:t:v2")) != -1) {
84 TimeoutOpt = strtol(optarg, NULL, 0);
101 signal(SIGALRM, sigalrm);
103 if (strcmp(av[0], "synctid") == 0) {
104 hammer_cmd_synctid(av + 1, ac - 1);
107 if (strcmp(av[0], "namekey") == 0) {
112 key = (int64_t)(crc32(av[1], strlen(av[1])) & 0x7FFFFFFF) << 32;
114 key |= 0x100000000LL;
115 printf("0x%016llx\n", key);
118 if (strcmp(av[0], "namekey32") == 0) {
123 key = crc32(av[1], strlen(av[1])) & 0x7FFFFFFF;
126 printf("0x%08x\n", key);
129 if (strcmp(av[0], "pfs-status") == 0) {
130 hammer_cmd_pseudofs_status(av + 1, ac - 1);
133 if (strcmp(av[0], "pfs-create") == 0) {
134 hammer_cmd_pseudofs_create(av + 1, ac - 1);
137 if (strcmp(av[0], "pfs-update") == 0) {
138 hammer_cmd_pseudofs_update(av + 1, ac - 1, 0);
141 if (strcmp(av[0], "pfs-destroy") == 0) {
142 hammer_cmd_pseudofs_destroy(av + 1, ac - 1);
145 if (strcmp(av[0], "status") == 0) {
146 hammer_cmd_status(av + 1, ac - 1);
149 if (strcmp(av[0], "prune") == 0) {
150 hammer_cmd_softprune(av + 1, ac - 1, 0);
153 if (strcmp(av[0], "prune-everything") == 0) {
154 hammer_cmd_softprune(av + 1, ac - 1, 1);
157 if (strcmp(av[0], "snapshot") == 0) {
158 hammer_cmd_snapshot(av + 1, ac - 1);
161 if (strcmp(av[0], "bstats") == 0) {
162 hammer_cmd_bstats(av + 1, ac - 1);
165 if (strcmp(av[0], "iostats") == 0) {
166 hammer_cmd_iostats(av + 1, ac - 1);
170 if (strncmp(av[0], "history", 7) == 0) {
171 hammer_cmd_history(av[0] + 7, av + 1, ac - 1);
174 if (strncmp(av[0], "reblock", 7) == 0) {
175 if (strcmp(av[0], "reblock") == 0)
176 hammer_cmd_reblock(av + 1, ac - 1, -1);
177 else if (strcmp(av[0], "reblock-btree") == 0)
178 hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_BTREE);
179 else if (strcmp(av[0], "reblock-inodes") == 0)
180 hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_INODES);
181 else if (strcmp(av[0], "reblock-dirs") == 0)
182 hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_DIRS);
183 else if (strcmp(av[0], "reblock-data") == 0)
184 hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_DATA);
189 if (strncmp(av[0], "mirror", 6) == 0) {
190 if (strcmp(av[0], "mirror-read") == 0)
191 hammer_cmd_mirror_read(av + 1, ac - 1);
192 else if (strcmp(av[0], "mirror-write") == 0)
193 hammer_cmd_mirror_write(av + 1, ac - 1);
194 else if (strcmp(av[0], "mirror-copy") == 0)
195 hammer_cmd_mirror_copy(av + 1, ac - 1);
196 else if (strcmp(av[0], "mirror-dump") == 0)
197 hammer_cmd_mirror_dump();
203 uuid_name_lookup(&Hammer_FSType, "DragonFly HAMMER", &status);
204 if (status != uuid_s_ok) {
205 errx(1, "uuids file does not have the DragonFly "
206 "HAMMER filesystem type");
209 if (strcmp(av[0], "show") == 0) {
210 hammer_off_t node_offset = (hammer_off_t)-1;
212 hammer_parsedevs(blkdevs);
214 sscanf(av[1], "%llx", &node_offset);
215 hammer_cmd_show(node_offset, 0, NULL, NULL);
218 if (strcmp(av[0], "blockmap") == 0) {
219 hammer_parsedevs(blkdevs);
220 hammer_cmd_blockmap();
230 hammer_parsedevs(const char *blkdevs)
235 if (blkdevs == NULL) {
236 errx(1, "A -f blkdevs specification is required "
240 copy = strdup(blkdevs);
241 while ((volname = copy) != NULL) {
242 if ((copy = strchr(copy, ':')) != NULL)
244 setup_volume(-1, volname, 0, O_RDONLY);
250 sigalrm(int signo __unused)
252 /* do nothing (interrupts HAMMER ioctl) */
261 "hammer [-t timeout] [-c cyclefile] ....\n"
262 "hammer prune <dir-holding-softlinks>\n"
263 "hammer prune-everything <filesystem>\n"
264 "hammer snapshot <softlink-dir> [<filesystem>]\n"
265 "hammer bstats <interval>\n"
266 "hammer iostats <interval>\n"
267 "hammer mirror-read <filesystem>\n"
268 "hammer mirror-write <filesystem>\n"
269 "hammer mirror-dump\n"
270 "hammer mirror-copy [[user@]host:]<filesystem>"
271 " [[user@]host:]<filesystem>\n"
272 "hammer reblock[-btree/inodes/dirs/data] "
273 "<filesystem> [pack%%]\n"
274 "hammer pfs-status <dirpath>\n"
275 "hammer pfs-create <dirpath> [options]\n"
276 "hammer pfs-update <dirpath> [options]\n"
277 "hammer history[@offset[,len]] <file-1>...<file-N>\n"
278 "hammer -f blkdevs [-r] show\n"
279 "hammer -f blkdevs blockmap\n"