MFC numerous features from HEAD.
[dragonfly.git] / sbin / hammer / hammer.c
blob62d38f3dfca267cc8bec5b5518cf36dac26eb616
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:
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.
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.
34 * $DragonFly: src/sbin/hammer/hammer.c,v 1.33.2.4 2008/09/25 01:39:33 dillon Exp $
37 #include "hammer.h"
38 #include <signal.h>
39 #include <math.h>
41 static void hammer_parsedevs(const char *blkdevs);
42 static void sigalrm(int signo);
43 static void usage(int exit_code);
45 int RecurseOpt;
46 int VerboseOpt;
47 int NoSyncOpt;
48 int TwoWayPipeOpt;
49 int TimeoutOpt;
50 int DelayOpt = 5;
51 u_int64_t BandwidthOpt;
52 const char *CyclePath;
53 const char *LinkPath;
55 int
56 main(int ac, char **av)
58 char *blkdevs = NULL;
59 char *ptr;
60 u_int32_t status;
61 int ch;
63 while ((ch = getopt(ac, av, "b:c:dhf:i:rs:t:v2")) != -1) {
64 switch(ch) {
65 case '2':
66 TwoWayPipeOpt = 1;
67 break;
68 case 'b':
69 BandwidthOpt = strtoull(optarg, &ptr, 0);
70 switch(*ptr) {
71 case 'g':
72 case 'G':
73 BandwidthOpt *= 1024;
74 /* fall through */
75 case 'm':
76 case 'M':
77 BandwidthOpt *= 1024;
78 /* fall through */
79 case 'k':
80 case 'K':
81 BandwidthOpt *= 1024;
82 break;
83 default:
84 usage(1);
86 break;
87 case 'c':
88 CyclePath = optarg;
89 break;
90 case 'd':
91 ++DebugOpt;
92 break;
93 case 'h':
94 usage(0);
95 /* not reached */
96 case 'i':
97 DelayOpt = strtol(optarg, NULL, 0);
98 break;
99 case 'r':
100 RecurseOpt = 1;
101 break;
102 case 'f':
103 blkdevs = optarg;
104 break;
105 case 's':
106 LinkPath = optarg;
107 break;
108 case 't':
109 TimeoutOpt = strtol(optarg, NULL, 0);
110 break;
111 case 'v':
112 ++VerboseOpt;
113 break;
114 default:
115 usage(1);
116 /* not reached */
119 ac -= optind;
120 av += optind;
121 if (ac < 1) {
122 usage(1);
123 /* not reached */
126 signal(SIGALRM, sigalrm);
128 if (strcmp(av[0], "synctid") == 0) {
129 hammer_cmd_synctid(av + 1, ac - 1);
130 exit(0);
132 if (strcmp(av[0], "namekey") == 0) {
133 int64_t key;
135 if (av[1] == NULL)
136 usage(1);
137 key = (int64_t)(crc32(av[1], strlen(av[1])) & 0x7FFFFFFF) << 32;
138 if (key == 0)
139 key |= 0x100000000LL;
140 printf("0x%016llx\n", key);
141 exit(0);
143 if (strcmp(av[0], "namekey32") == 0) {
144 int32_t key;
146 if (av[1] == NULL)
147 usage(1);
148 key = crc32(av[1], strlen(av[1])) & 0x7FFFFFFF;
149 if (key == 0)
150 ++key;
151 printf("0x%08x\n", key);
152 exit(0);
154 if (strcmp(av[0], "pfs-status") == 0) {
155 hammer_cmd_pseudofs_status(av + 1, ac - 1);
156 exit(0);
158 if (strcmp(av[0], "pfs-master") == 0) {
159 hammer_cmd_pseudofs_create(av + 1, ac - 1, 0);
160 exit(0);
162 if (strcmp(av[0], "pfs-slave") == 0) {
163 hammer_cmd_pseudofs_create(av + 1, ac - 1, 1);
164 exit(0);
166 if (strcmp(av[0], "pfs-update") == 0) {
167 hammer_cmd_pseudofs_update(av + 1, ac - 1);
168 exit(0);
170 if (strcmp(av[0], "pfs-upgrade") == 0) {
171 hammer_cmd_pseudofs_upgrade(av + 1, ac - 1);
172 exit(0);
174 if (strcmp(av[0], "pfs-downgrade") == 0) {
175 hammer_cmd_pseudofs_downgrade(av + 1, ac - 1);
176 exit(0);
178 if (strcmp(av[0], "pfs-destroy") == 0) {
179 hammer_cmd_pseudofs_destroy(av + 1, ac - 1);
180 exit(0);
182 if (strcmp(av[0], "status") == 0) {
183 hammer_cmd_status(av + 1, ac - 1);
184 exit(0);
186 if (strcmp(av[0], "prune") == 0) {
187 hammer_cmd_softprune(av + 1, ac - 1, 0);
188 exit(0);
190 if (strcmp(av[0], "cleanup") == 0) {
191 hammer_cmd_cleanup(av + 1, ac - 1);
192 exit(0);
194 if (strcmp(av[0], "prune-everything") == 0) {
195 hammer_cmd_softprune(av + 1, ac - 1, 1);
196 exit(0);
198 if (strcmp(av[0], "snapshot") == 0) {
199 hammer_cmd_snapshot(av + 1, ac - 1);
200 exit(0);
202 if (strcmp(av[0], "bstats") == 0) {
203 hammer_cmd_bstats(av + 1, ac - 1);
204 exit(0);
206 if (strcmp(av[0], "iostats") == 0) {
207 hammer_cmd_iostats(av + 1, ac - 1);
208 exit(0);
211 if (strncmp(av[0], "history", 7) == 0) {
212 hammer_cmd_history(av[0] + 7, av + 1, ac - 1);
213 exit(0);
215 if (strncmp(av[0], "reblock", 7) == 0) {
216 signal(SIGINT, sigalrm);
217 if (strcmp(av[0], "reblock") == 0)
218 hammer_cmd_reblock(av + 1, ac - 1, -1);
219 else if (strcmp(av[0], "reblock-btree") == 0)
220 hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_BTREE);
221 else if (strcmp(av[0], "reblock-inodes") == 0)
222 hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_INODES);
223 else if (strcmp(av[0], "reblock-dirs") == 0)
224 hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_DIRS);
225 else if (strcmp(av[0], "reblock-data") == 0)
226 hammer_cmd_reblock(av + 1, ac - 1, HAMMER_IOC_DO_DATA);
227 else
228 usage(1);
229 exit(0);
231 if (strncmp(av[0], "mirror", 6) == 0) {
232 if (strcmp(av[0], "mirror-read") == 0)
233 hammer_cmd_mirror_read(av + 1, ac - 1, 0);
234 else if (strcmp(av[0], "mirror-read-stream") == 0)
235 hammer_cmd_mirror_read(av + 1, ac - 1, 1);
236 else if (strcmp(av[0], "mirror-write") == 0)
237 hammer_cmd_mirror_write(av + 1, ac - 1);
238 else if (strcmp(av[0], "mirror-copy") == 0)
239 hammer_cmd_mirror_copy(av + 1, ac - 1, 0);
240 else if (strcmp(av[0], "mirror-stream") == 0)
241 hammer_cmd_mirror_copy(av + 1, ac - 1, 1);
242 else if (strcmp(av[0], "mirror-dump") == 0)
243 hammer_cmd_mirror_dump();
244 else
245 usage(1);
246 exit(0);
249 uuid_name_lookup(&Hammer_FSType, "DragonFly HAMMER", &status);
250 if (status != uuid_s_ok) {
251 errx(1, "uuids file does not have the DragonFly "
252 "HAMMER filesystem type");
255 if (strcmp(av[0], "show") == 0) {
256 hammer_off_t node_offset = (hammer_off_t)-1;
258 hammer_parsedevs(blkdevs);
259 if (ac > 1)
260 sscanf(av[1], "%llx", &node_offset);
261 hammer_cmd_show(node_offset, 0, NULL, NULL);
262 exit(0);
264 if (strcmp(av[0], "blockmap") == 0) {
265 hammer_parsedevs(blkdevs);
266 hammer_cmd_blockmap();
267 exit(0);
269 usage(1);
270 /* not reached */
271 return(0);
274 static
275 void
276 hammer_parsedevs(const char *blkdevs)
278 char *copy;
279 char *volname;
281 if (blkdevs == NULL) {
282 errx(1, "A -f blkdev[:blkdev]* specification is required "
283 "for this command");
286 copy = strdup(blkdevs);
287 while ((volname = copy) != NULL) {
288 if ((copy = strchr(copy, ':')) != NULL)
289 *copy++ = 0;
290 setup_volume(-1, volname, 0, O_RDONLY);
294 static
295 void
296 sigalrm(int signo __unused)
298 /* do nothing (interrupts HAMMER ioctl) */
301 static
302 void
303 usage(int exit_code)
305 fprintf(stderr,
306 "hammer -h\n"
307 "hammer [-v] [-t seconds] [-c cyclefile] command [argument ...]\n"
308 "hammer cleanup [<filesystem>]\n"
309 "hammer synctid <filesystem> [quick]\n"
310 "hammer namekey[32] <path>\n"
311 "hammer prune <softlink-dir>\n"
312 "hammer prune-everything <filesystem>\n"
313 "hammer snapshot [filesystem] <snapshot-dir>\n"
314 "hammer bstats [interval]\n"
315 "hammer iostats [interval]\n"
316 "hammer mirror-read <filesystem> [begin-tid]\n"
317 "hammer mirror-read-stream <filesystem> [begin-tid]\n"
318 "hammer mirror-write <filesystem>\n"
319 "hammer mirror-dump\n"
320 "hammer mirror-copy [[user@]host:]<filesystem>"
321 " [[user@]host:]<filesystem>\n"
322 "hammer mirror-stream [[user@]host:]<filesystem>"
323 " [[user@]host:]<filesystem>\n"
324 "hammer reblock[-btree/inodes/dirs/data] "
325 "<filesystem> [fill_percentage]\n"
326 "hammer pfs-status <dirpath> ...\n"
327 "hammer pfs-master <dirpath> [options]\n"
328 "hammer pfs-slave <dirpath> [options]\n"
329 "hammer pfs-update <dirpath> [options]\n"
330 "hammer pfs-upgrade <dirpath>\n"
331 "hammer pfs-downgrade <dirpath>\n"
332 "hammer pfs-destroy <dirpath>\n"
333 "hammer history[@offset[,len]] <file> ...\n"
334 "hammer -f blkdev[:blkdev]* [-r] show [offset]\n"
335 #if 0
336 "hammer -f blkdev[:blkdev]* blockmap\n"
337 #endif
339 exit(exit_code);