2 Bacula® - The Network Backup Solution
4 Copyright (C) 2000-2009 Free Software Foundation Europe e.V.
6 The main author of Bacula is Kern Sibbald, with contributions from
7 many others, a complete list can be found in the file AUTHORS.
8 This program is Free Software; you can redistribute it and/or
9 modify it under the terms of version two of the GNU General Public
10 License as published by the Free Software Foundation and included
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
23 Bacula® is a registered trademark of Kern Sibbald.
24 The licensor of Bacula is the Free Software Foundation Europe
25 (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
26 Switzerland, email:ftf@fsfeurope.org.
36 static int dbglvl=100;
38 typedef struct PrivateCurFile {
45 bool accurate_mark_file_as_seen(JCR *jcr, char *fname)
47 if (!jcr->accurate || !jcr->file_list) {
50 /* TODO: just use elt->seen = 1 */
51 CurFile *temp = (CurFile *)jcr->file_list->lookup(fname);
53 temp->seen = 1; /* records are in memory */
54 Dmsg1(dbglvl, "marked <%s> as seen\n", fname);
56 Dmsg1(dbglvl, "<%s> not found to be marked as seen\n", fname);
61 static bool accurate_mark_file_as_seen(JCR *jcr, CurFile *elt)
63 /* TODO: just use elt->seen = 1 */
64 CurFile *temp = (CurFile *)jcr->file_list->lookup(elt->fname);
66 temp->seen = 1; /* records are in memory */
71 static bool accurate_lookup(JCR *jcr, char *fname, CurFile *ret)
76 CurFile *temp = (CurFile *)jcr->file_list->lookup(fname);
78 memcpy(ret, temp, sizeof(CurFile));
80 Dmsg1(dbglvl, "lookup <%s> ok\n", fname);
86 static bool accurate_init(JCR *jcr, int nbfile)
89 jcr->file_list = (htable *)malloc(sizeof(htable));
90 jcr->file_list->init(elt, &elt->link, nbfile);
94 static bool accurate_send_base_file_list(JCR *jcr)
100 int stream = STREAM_UNIX_ATTRIBUTES;
102 if (!jcr->accurate || jcr->get_JobLevel() != L_FULL) {
106 if (jcr->file_list == NULL) {
110 ff_pkt = init_find_files();
111 ff_pkt->type = FT_BASE;
113 foreach_htable(elt, jcr->file_list) {
115 Dmsg2(dbglvl, "base file fname=%s seen=%i\n", elt->fname, elt->seen);
116 decode_stat(elt->lstat, &statc, &LinkFIc); /* decode catalog stat */
117 ff_pkt->fname = elt->fname;
118 ff_pkt->statp = statc;
119 encode_and_send_attributes(jcr, ff_pkt, stream);
124 term_find_files(ff_pkt);
129 /* This function is called at the end of backup
130 * We walk over all hash disk element, and we check
133 static bool accurate_send_deleted_list(JCR *jcr)
139 int stream = STREAM_UNIX_ATTRIBUTES;
141 if (!jcr->accurate) {
145 if (jcr->file_list == NULL) {
149 ff_pkt = init_find_files();
150 ff_pkt->type = FT_DELETED;
152 foreach_htable(elt, jcr->file_list) {
153 if (elt->seen || plugin_check_file(jcr, elt->fname)) {
156 Dmsg2(dbglvl, "deleted fname=%s seen=%i\n", elt->fname, elt->seen);
157 decode_stat(elt->lstat, &statc, &LinkFIc); /* decode catalog stat */
158 ff_pkt->fname = elt->fname;
159 ff_pkt->statp.st_mtime = statc.st_mtime;
160 ff_pkt->statp.st_ctime = statc.st_ctime;
161 encode_and_send_attributes(jcr, ff_pkt, stream);
165 term_find_files(ff_pkt);
169 void accurate_free(JCR *jcr)
171 if (jcr->file_list) {
172 jcr->file_list->destroy();
173 free(jcr->file_list);
174 jcr->file_list = NULL;
178 /* Send the deleted or the base file list and cleanup */
179 bool accurate_finish(JCR *jcr)
183 if (jcr->get_JobLevel() == L_FULL) {
184 ret = accurate_send_base_file_list(jcr);
186 ret = accurate_send_deleted_list(jcr);
190 if (jcr->get_JobLevel() == L_FULL) {
191 Dmsg1(0, "Space saved with Base jobs: %lld MB\n",
192 jcr->base_size/(1024*1024));
198 static bool accurate_add_file(JCR *jcr, char *fname, char *lstat)
205 /* we store CurFile, fname and ctime/mtime in the same chunk */
206 item = (CurFile *)jcr->file_list->hash_malloc(sizeof(CurFile)+strlen(fname)+strlen(lstat)+2);
207 memcpy(item, &elt, sizeof(CurFile));
208 item->fname = (char *)item+sizeof(CurFile);
209 strcpy(item->fname, fname);
210 item->lstat = item->fname+strlen(item->fname)+1;
211 strcpy(item->lstat, lstat);
212 jcr->file_list->insert(item->fname, item);
214 Dmsg2(dbglvl, "add fname=<%s> lstat=%s\n", fname, lstat);
219 * This function is called for each file seen in fileset.
220 * We check in file_list hash if fname have been backuped
221 * the last time. After we can compare Lstat field.
222 * Full Lstat usage have been removed on 6612
224 * Returns: true if file has changed (must be backed up)
225 * false file not changed
227 bool accurate_check_file(JCR *jcr, FF_PKT *ff_pkt)
235 if (!jcr->accurate) {
241 if (S_ISDIR(ff_pkt->statp.st_mode)) {
242 fname = ff_pkt->link;
244 fname = ff_pkt->fname;
247 if (!accurate_lookup(jcr, fname, &elt)) {
248 Dmsg1(dbglvl, "accurate %s (not found)\n", fname);
253 if (elt.seen) { /* file has been seen ? */
254 Dmsg1(dbglvl, "accurate %s (already seen)\n", fname);
258 decode_stat(elt.lstat, &statc, &LinkFIc); /* decode catalog stat */
262 * Loop over options supplied by user and verify the
263 * fields he requests.
265 for (char *p=ff_pkt->AccurateOpts; *p; p++) {
266 char ed1[30], ed2[30];
268 case 'i': /* compare INODEs */
269 if (statc.st_ino != ff_pkt->statp.st_ino) {
270 Dmsg3(dbglvl-1, "%s st_ino differ. Cat: %s File: %s\n",
272 edit_uint64((uint64_t)statc.st_ino, ed1),
273 edit_uint64((uint64_t)ff_pkt->statp.st_ino, ed2));
277 case 'p': /* permissions bits */
278 if (statc.st_mode != ff_pkt->statp.st_mode) {
279 Dmsg3(dbglvl-1, "%s st_mode differ. Cat: %x File: %x\n",
281 (uint32_t)statc.st_mode, (uint32_t)ff_pkt->statp.st_mode);
285 case 'n': /* number of links */
286 if (statc.st_nlink != ff_pkt->statp.st_nlink) {
287 Dmsg3(dbglvl-1, "%s st_nlink differ. Cat: %d File: %d\n",
289 (uint32_t)statc.st_nlink, (uint32_t)ff_pkt->statp.st_nlink);
293 case 'u': /* user id */
294 if (statc.st_uid != ff_pkt->statp.st_uid) {
295 Dmsg3(dbglvl-1, "%s st_uid differ. Cat: %u File: %u\n",
297 (uint32_t)statc.st_uid, (uint32_t)ff_pkt->statp.st_uid);
301 case 'g': /* group id */
302 if (statc.st_gid != ff_pkt->statp.st_gid) {
303 Dmsg3(dbglvl-1, "%s st_gid differ. Cat: %u File: %u\n",
305 (uint32_t)statc.st_gid, (uint32_t)ff_pkt->statp.st_gid);
310 if (statc.st_size != ff_pkt->statp.st_size) {
311 Dmsg3(dbglvl-1, "%s st_size differ. Cat: %s File: %s\n",
313 edit_uint64((uint64_t)statc.st_size, ed1),
314 edit_uint64((uint64_t)ff_pkt->statp.st_size, ed2));
318 case 'a': /* access time */
319 if (statc.st_atime != ff_pkt->statp.st_atime) {
320 Dmsg1(dbglvl-1, "%s st_atime differs\n", fname);
325 if (statc.st_mtime != ff_pkt->statp.st_mtime) {
326 Dmsg1(dbglvl-1, "%s st_mtime differs\n", fname);
330 case 'c': /* ctime */
331 if (statc.st_ctime != ff_pkt->statp.st_ctime) {
332 Dmsg1(dbglvl-1, " st_ctime differs\n", fname);
336 case 'd': /* file size decrease */
337 if (statc.st_size > ff_pkt->statp.st_size) {
338 Dmsg3(dbglvl-1, "%s st_size decrease. Cat: %s File: %s\n",
340 edit_uint64((uint64_t)statc.st_size, ed1),
341 edit_uint64((uint64_t)ff_pkt->statp.st_size, ed2));
345 case '5': /* compare MD5 */
347 case '1': /* compare SHA1 */
358 * We check only mtime/ctime like with the normal
359 * incremental/differential mode
361 if (statc.st_mtime != ff_pkt->statp.st_mtime) {
362 // Jmsg(jcr, M_SAVED, 0, _("%s st_mtime differs\n"), fname);
363 Dmsg3(dbglvl, "%s st_mtime differs (%lld!=%lld)\n",
364 fname, statc.st_mtime, (utime_t)ff_pkt->statp.st_mtime);
366 } else if (!(ff_pkt->flags & FO_MTIMEONLY)
367 && (statc.st_ctime != ff_pkt->statp.st_ctime)) {
368 // Jmsg(jcr, M_SAVED, 0, _("%s st_ctime differs\n"), fname);
369 Dmsg1(dbglvl, "%s st_ctime differs\n", fname);
372 } else if (statc.st_size != ff_pkt->statp.st_size) {
373 // Jmsg(jcr, M_SAVED, 0, _("%s st_size differs\n"), fname);
374 Dmsg1(dbglvl, "%s st_size differs\n", fname);
379 /* compute space saved with basefile */
380 if (jcr->get_JobLevel() == L_FULL && !stat) {
381 jcr->base_size += ff_pkt->statp.st_size;
384 accurate_mark_file_as_seen(jcr, &elt);
385 // Dmsg2(dbglvl, "accurate %s = %d\n", fname, stat);
388 unstrip_path(ff_pkt);
393 * TODO: use big buffer from htable
395 int accurate_cmd(JCR *jcr)
397 BSOCK *dir = jcr->dir_bsock;
401 if (job_canceled(jcr)) {
404 if (sscanf(dir->msg, "accurate files=%ld", &nb) != 1) {
405 dir->fsend(_("2991 Bad accurate command\n"));
409 jcr->accurate = true;
411 accurate_init(jcr, nb);
414 * buffer = sizeof(CurFile) + dirmsg
415 * dirmsg = fname + \0 + lstat
417 /* get current files */
418 while (dir->recv() >= 0) {
419 len = strlen(dir->msg) + 1;
420 if (len < dir->msglen) {
421 accurate_add_file(jcr, dir->msg, dir->msg + len);
426 extern void *start_heap;
428 char b1[50], b2[50], b3[50], b4[50], b5[50];
429 Dmsg5(dbglvl," Heap: heap=%s smbytes=%s max_bytes=%s bufs=%s max_bufs=%s\n",
430 edit_uint64_with_commas((char *)sbrk(0)-(char *)start_heap, b1),
431 edit_uint64_with_commas(sm_bytes, b2),
432 edit_uint64_with_commas(sm_max_bytes, b3),
433 edit_uint64_with_commas(sm_buffers, b4),
434 edit_uint64_with_commas(sm_max_buffers, b5));