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=200;
38 typedef struct PrivateCurFile {
46 bool accurate_mark_file_as_seen(JCR *jcr, char *fname)
48 if (!jcr->accurate || !jcr->file_list) {
51 /* TODO: just use elt->seen = 1 */
52 CurFile *temp = (CurFile *)jcr->file_list->lookup(fname);
54 temp->seen = 1; /* records are in memory */
55 Dmsg1(dbglvl, "marked <%s> as seen\n", fname);
57 Dmsg1(dbglvl, "<%s> not found to be marked as seen\n", fname);
62 static bool accurate_mark_file_as_seen(JCR *jcr, CurFile *elt)
64 /* TODO: just use elt->seen = 1 */
65 CurFile *temp = (CurFile *)jcr->file_list->lookup(elt->fname);
67 temp->seen = 1; /* records are in memory */
72 static bool accurate_lookup(JCR *jcr, char *fname, CurFile *ret)
77 CurFile *temp = (CurFile *)jcr->file_list->lookup(fname);
79 memcpy(ret, temp, sizeof(CurFile));
81 Dmsg1(dbglvl, "lookup <%s> ok\n", fname);
87 static bool accurate_init(JCR *jcr, int nbfile)
90 jcr->file_list = (htable *)malloc(sizeof(htable));
91 jcr->file_list->init(elt, &elt->link, nbfile);
95 /* This function is called at the end of backup
96 * We walk over all hash disk element, and we check
99 bool accurate_send_deleted_list(JCR *jcr)
103 int stream = STREAM_UNIX_ATTRIBUTES;
105 if (!jcr->accurate || jcr->get_JobLevel() == L_FULL) {
109 if (jcr->file_list == NULL) {
113 ff_pkt = init_find_files();
114 ff_pkt->type = FT_DELETED;
116 foreach_htable(elt, jcr->file_list) {
117 if (elt->seen || plugin_check_file(jcr, elt->fname)) {
120 Dmsg2(dbglvl, "deleted fname=%s seen=%i\n", elt->fname, elt->seen);
121 ff_pkt->fname = elt->fname;
122 ff_pkt->statp.st_mtime = elt->mtime;
123 ff_pkt->statp.st_ctime = elt->ctime;
124 encode_and_send_attributes(jcr, ff_pkt, stream);
128 term_find_files(ff_pkt);
130 /* TODO: clean htable when this function is not reached ? */
135 void accurate_free(JCR *jcr)
137 if (jcr->file_list) {
138 jcr->file_list->destroy();
139 free(jcr->file_list);
140 jcr->file_list = NULL;
144 static bool accurate_add_file(JCR *jcr, char *fname, char *lstat)
150 decode_stat(lstat, &statp, &LinkFIc); /* decode catalog stat */
151 elt.ctime = statp.st_ctime;
152 elt.mtime = statp.st_mtime;
156 /* we store CurFile, fname and ctime/mtime in the same chunk */
157 item = (CurFile *)jcr->file_list->hash_malloc(sizeof(CurFile)+strlen(fname)+1);
158 memcpy(item, &elt, sizeof(CurFile));
159 item->fname = (char *)item+sizeof(CurFile);
160 strcpy(item->fname, fname);
161 jcr->file_list->insert(item->fname, item);
163 Dmsg2(dbglvl, "add fname=<%s> lstat=%s\n", fname, lstat);
168 * This function is called for each file seen in fileset.
169 * We check in file_list hash if fname have been backuped
170 * the last time. After we can compare Lstat field.
171 * Full Lstat usage have been removed on 6612
173 * Returns: true if file has changed (must be backed up)
174 * false file not changed
176 bool accurate_check_file(JCR *jcr, FF_PKT *ff_pkt)
182 if (!jcr->accurate || jcr->get_JobLevel() == L_FULL) {
188 if (S_ISDIR(ff_pkt->statp.st_mode)) {
189 fname = ff_pkt->link;
191 fname = ff_pkt->fname;
194 if (!accurate_lookup(jcr, fname, &elt)) {
195 Dmsg1(dbglvl, "accurate %s (not found)\n", fname);
200 if (elt.seen) { /* file has been seen ? */
201 Dmsg1(dbglvl, "accurate %s (already seen)\n", fname);
206 * We check only mtime/ctime like with the normal
207 * incremental/differential mode
209 if (elt.mtime != ff_pkt->statp.st_mtime) {
210 // Jmsg(jcr, M_SAVED, 0, _("%s st_mtime differs\n"), fname);
211 Dmsg3(dbglvl, "%s st_mtime differs (%lld!=%lld)\n",
212 fname, elt.mtime, (utime_t)ff_pkt->statp.st_mtime);
214 } else if (!(ff_pkt->flags & FO_MTIMEONLY)
215 && (elt.ctime != ff_pkt->statp.st_ctime)) {
216 // Jmsg(jcr, M_SAVED, 0, _("%s st_ctime differs\n"), fname);
217 Dmsg3(dbglvl, "%s st_ctime differs\n",
218 fname, elt.ctime, ff_pkt->statp.st_ctime);
222 accurate_mark_file_as_seen(jcr, &elt);
223 // Dmsg2(dbglvl, "accurate %s = %d\n", fname, stat);
226 unstrip_path(ff_pkt);
231 * TODO: use big buffer from htable
233 int accurate_cmd(JCR *jcr)
235 BSOCK *dir = jcr->dir_bsock;
239 if (!jcr->accurate || job_canceled(jcr) || jcr->get_JobLevel()==L_FULL) {
242 if (sscanf(dir->msg, "accurate files=%ld", &nb) != 1) {
243 dir->fsend(_("2991 Bad accurate command\n"));
247 accurate_init(jcr, nb);
250 * buffer = sizeof(CurFile) + dirmsg
251 * dirmsg = fname + \0 + lstat
253 /* get current files */
254 while (dir->recv() >= 0) {
255 len = strlen(dir->msg) + 1;
256 if (len < dir->msglen) {
257 accurate_add_file(jcr, dir->msg, dir->msg + len);
262 extern void *start_heap;
264 char b1[50], b2[50], b3[50], b4[50], b5[50];
265 Dmsg5(dbglvl," Heap: heap=%s smbytes=%s max_bytes=%s bufs=%s max_bufs=%s\n",
266 edit_uint64_with_commas((char *)sbrk(0)-(char *)start_heap, b1),
267 edit_uint64_with_commas(sm_bytes, b2),
268 edit_uint64_with_commas(sm_max_bytes, b3),
269 edit_uint64_with_commas(sm_buffers, b4),
270 edit_uint64_with_commas(sm_max_buffers, b5));