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 1.19 2008/05/18 01:49:41 dillon Exp $
41 static void hammer_parsetime(u_int64_t *tidp, const char *timestr);
42 static void hammer_parsedevs(const char *blkdevs);
43 static void sigalrm(int signo);
44 static void usage(int exit_code);
49 const char *CyclePath;
53 main(int ac, char **av)
62 while ((ch = getopt(ac, av, "c:dhf:rs:t:v")) != -1) {
83 timeout = strtol(optarg, NULL, 0);
101 signal(SIGALRM, sigalrm);
105 if (strcmp(av[0], "now") == 0) {
106 tid = (hammer_tid_t)time(NULL) * 1000000000LLU;
107 printf("0x%08x\n", (int)(tid / 1000000000LL));
110 if (strcmp(av[0], "now64") == 0) {
111 gettimeofday(&tv, NULL);
112 tid = (hammer_tid_t)tv.tv_sec * 1000000000LLU +
113 tv.tv_usec * 1000LLU;
114 printf("0x%016llx\n", tid);
117 if (strcmp(av[0], "synctid") == 0) {
118 hammer_cmd_synctid(av + 1, ac - 1);
121 if (strcmp(av[0], "stamp") == 0) {
124 hammer_parsetime(&tid, av[1]);
125 printf("0x%08x\n", (int)(tid / 1000000000LL));
128 if (strcmp(av[0], "stamp64") == 0) {
131 hammer_parsetime(&tid, av[1]);
132 printf("0x%016llx\n", tid);
135 if (strcmp(av[0], "date") == 0) {
140 tid = strtoull(av[1], NULL, 16);
141 if (tid >= 0x100000000LLU)
142 tid /= 1000000000LLU;
144 printf("%s", ctime(&t));
147 if (strcmp(av[0], "namekey") == 0) {
152 key = (int64_t)(crc32(av[1], strlen(av[1])) & 0x7FFFFFFF) << 32;
154 key |= 0x100000000LL;
155 printf("0x%016llx\n", key);
158 if (strcmp(av[0], "namekey32") == 0) {
163 key = crc32(av[1], strlen(av[1])) & 0x7FFFFFFF;
166 printf("0x%08x\n", key);
169 if (strcmp(av[0], "prune") == 0) {
170 hammer_cmd_prune(av + 1, ac - 1);
174 if (strncmp(av[0], "history", 7) == 0) {
175 hammer_cmd_history(av[0] + 7, av + 1, ac - 1);
178 if (strncmp(av[0], "reblock", 7) == 0) {
179 if (strcmp(av[0], "reblock") == 0)
180 hammer_cmd_reblock(av + 1, ac - 1, -1);
181 else if (strcmp(av[0], "reblock-btree") == 0)
182 hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_BTREE);
183 else if (strcmp(av[0], "reblock-inodes") == 0)
184 hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_INODES);
185 else if (strcmp(av[0], "reblock-data") == 0)
186 hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_DATA);
192 uuid_name_lookup(&Hammer_FSType, "DragonFly HAMMER", &status);
193 if (status != uuid_s_ok) {
194 errx(1, "uuids file does not have the DragonFly "
195 "HAMMER filesystem type");
198 if (strcmp(av[0], "show") == 0) {
199 hammer_off_t node_offset = (hammer_off_t)-1;
201 hammer_parsedevs(blkdevs);
203 sscanf(av[1], "%llx", &node_offset);
204 hammer_cmd_show(node_offset, 0, NULL, NULL);
207 if (strcmp(av[0], "blockmap") == 0) {
208 hammer_parsedevs(blkdevs);
209 hammer_cmd_blockmap();
218 * Parse a timestamp for the mount point
225 hammer_parsetime(u_int64_t *tidp, const char *timestr)
232 gettimeofday(&tv, NULL);
237 if (isalpha(timestr[strlen(timestr)-1])) {
238 if (sscanf(timestr, "%d%c", &n, &c) != 2)
266 localtime_r(&tv.tv_sec, &tm);
267 seconds = (double)tm.tm_sec;
270 n = sscanf(timestr, "%4d%2d%2d:%2d%2d%lf",
271 &tm.tm_year, &tm.tm_mon, &tm.tm_mday,
272 &tm.tm_hour, &tm.tm_min, &seconds);
275 /* if [:hhmmss] is omitted, assume :000000.0 */
277 tm.tm_hour = tm.tm_min = tm.tm_sec = 0;
279 tm.tm_sec = (int)seconds;
280 tv.tv_sec = mktime(&tm);
281 tv.tv_usec = (int)((seconds - floor(seconds)) * 1000000.0);
283 *tidp = (u_int64_t)tv.tv_sec * 1000000000LLU +
284 tv.tv_usec * 1000LLU;
289 hammer_parsedevs(const char *blkdevs)
294 if (blkdevs == NULL) {
295 errx(1, "A -f blkdevs specification is required "
299 copy = strdup(blkdevs);
300 while ((volname = copy) != NULL) {
301 if ((copy = strchr(copy, ':')) != NULL)
303 setup_volume(-1, volname, 0, O_RDONLY);
309 sigalrm(int signo __unused)
311 /* do nothing (interrupts HAMMER ioctl) */
320 "hammer [-x] now[64]\n"
321 "hammer [-t timeout] [-c cyclefile] ....\n"
322 "hammer stamp[64] <time>\n"
323 "hammer prune <filesystem> [using <configfile>]\n"
324 "hammer prune <filesystem> from <modulo_time> to "
325 "<modulo_time> every <modulo_time>\n"
326 "hammer prune <filesystem> from <modulo_time> everything\n"
327 "hammer prune <filesystem> everything\n"
328 "hammer reblock <filesystem> [compact%%] (default 90%%)\n"
329 "hammer history[@offset[,len]] <file-1>...<file-N>\n"
330 "hammer -f blkdevs [-r] show\n"
331 "hammer -f blkdevs blockmap\n"
333 fprintf(stderr, "time: +n[s/m/h/D/M/Y]\n"
334 "time: yyyymmdd[:hhmmss]\n"
335 "modulo_time: n{s,m,h,d,M,y}\n");