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 1.28 2008/06/26 15:12:21 mneumann Exp $
41 static void hammer_parsedevs(const char *blkdevs
);
42 static void sigalrm(int signo
);
43 static void usage(int exit_code
);
48 const char *CyclePath
;
52 main(int ac
, char **av
)
59 while ((ch
= getopt(ac
, av
, "c:dhf:rs:t:v")) != -1) {
80 timeout
= strtol(optarg
, NULL
, 0);
98 signal(SIGALRM
, sigalrm
);
102 if (strcmp(av
[0], "synctid") == 0) {
103 hammer_cmd_synctid(av
+ 1, ac
- 1);
106 if (strcmp(av
[0], "namekey") == 0) {
111 key
= (int64_t)(crc32(av
[1], strlen(av
[1])) & 0x7FFFFFFF) << 32;
113 key
|= 0x100000000LL
;
114 printf("0x%016llx\n", key
);
117 if (strcmp(av
[0], "namekey32") == 0) {
122 key
= crc32(av
[1], strlen(av
[1])) & 0x7FFFFFFF;
125 printf("0x%08x\n", key
);
128 if (strcmp(av
[0], "pseudofs") == 0) {
129 hammer_cmd_pseudofs(av
+ 1, ac
- 1);
132 if (strcmp(av
[0], "status") == 0) {
133 hammer_cmd_status(av
+ 1, ac
- 1);
136 if (strcmp(av
[0], "prune") == 0) {
137 hammer_cmd_softprune(av
+ 1, ac
- 1, 0);
140 if (strcmp(av
[0], "prune-everything") == 0) {
141 hammer_cmd_softprune(av
+ 1, ac
- 1, 1);
144 if (strcmp(av
[0], "snapshot") == 0) {
145 hammer_cmd_snapshot(av
+ 1, ac
- 1);
148 if (strcmp(av
[0], "bstats") == 0) {
149 hammer_cmd_bstats(av
+ 1, ac
- 1);
152 if (strcmp(av
[0], "iostats") == 0) {
153 hammer_cmd_iostats(av
+ 1, ac
- 1);
157 if (strncmp(av
[0], "history", 7) == 0) {
158 hammer_cmd_history(av
[0] + 7, av
+ 1, ac
- 1);
161 if (strncmp(av
[0], "reblock", 7) == 0) {
162 if (strcmp(av
[0], "reblock") == 0)
163 hammer_cmd_reblock(av
+ 1, ac
- 1, -1);
164 else if (strcmp(av
[0], "reblock-btree") == 0)
165 hammer_cmd_reblock(av
+ 1, ac
- 1, HAMMER_IOC_DO_BTREE
);
166 else if (strcmp(av
[0], "reblock-inodes") == 0)
167 hammer_cmd_reblock(av
+ 1, ac
- 1, HAMMER_IOC_DO_INODES
);
168 else if (strcmp(av
[0], "reblock-dirs") == 0)
169 hammer_cmd_reblock(av
+ 1, ac
- 1, HAMMER_IOC_DO_DIRS
);
170 else if (strcmp(av
[0], "reblock-data") == 0)
171 hammer_cmd_reblock(av
+ 1, ac
- 1, HAMMER_IOC_DO_DATA
);
176 if (strncmp(av
[0], "mirror", 6) == 0) {
177 if (strcmp(av
[0], "mirror-read") == 0)
178 hammer_cmd_mirror_read(av
+ 1, ac
- 1);
179 else if (strcmp(av
[0], "mirror-write") == 0)
180 hammer_cmd_mirror_write(av
+ 1, ac
- 1);
181 else if (strcmp(av
[0], "mirror-copy") == 0)
182 hammer_cmd_mirror_copy(av
+ 1, ac
- 1);
188 uuid_name_lookup(&Hammer_FSType
, "DragonFly HAMMER", &status
);
189 if (status
!= uuid_s_ok
) {
190 errx(1, "uuids file does not have the DragonFly "
191 "HAMMER filesystem type");
194 if (strcmp(av
[0], "show") == 0) {
195 hammer_off_t node_offset
= (hammer_off_t
)-1;
197 hammer_parsedevs(blkdevs
);
199 sscanf(av
[1], "%llx", &node_offset
);
200 hammer_cmd_show(node_offset
, 0, NULL
, NULL
);
203 if (strcmp(av
[0], "blockmap") == 0) {
204 hammer_parsedevs(blkdevs
);
205 hammer_cmd_blockmap();
215 hammer_parsedevs(const char *blkdevs
)
220 if (blkdevs
== NULL
) {
221 errx(1, "A -f blkdevs specification is required "
225 copy
= strdup(blkdevs
);
226 while ((volname
= copy
) != NULL
) {
227 if ((copy
= strchr(copy
, ':')) != NULL
)
229 setup_volume(-1, volname
, 0, O_RDONLY
);
235 sigalrm(int signo __unused
)
237 /* do nothing (interrupts HAMMER ioctl) */
246 "hammer [-t timeout] [-c cyclefile] ....\n"
247 "hammer prune <dir-holding-softlinks>\n"
248 "hammer prune-everything <filesystem>\n"
249 "hammer snapshot <softlink-dir> [<filesystem>]\n"
250 "hammer bstats <interval>\n"
251 "hammer iostats <interval>\n"
252 "hammer mirror-read <filesystem>\n"
253 "hammer mirror-write <filesystem>\n"
254 "hammer mirror-copy [[user@]host:]<filesystem>"
255 " [[user@]host:]<filesystem>\n"
256 "hammer reblock[-btree/inodes/dirs/data] "
257 "<filesystem> [pack%%]\n"
258 "hammer pseudofs <dirpath>\n"
259 "hammer history[@offset[,len]] <file-1>...<file-N>\n"
260 "hammer -f blkdevs [-r] show\n"
261 "hammer -f blkdevs blockmap\n"