2 * Copyright (C) Joerg Lenneis 2003
3 * Copyright (C) Frank Lahm 2009
4 * All Rights Reserved. See COPYING.
9 #endif /* HAVE_CONFIG_H */
14 #ifdef HAVE_SYS_TYPES_H
15 #include <sys/types.h>
16 #endif /* HAVE_SYS_TYPES_H */
18 #include <sys/types.h>
20 #include <sys/cdefs.h>
22 #include <atalk/logger.h>
28 #define DB_ERRLOGFILE "db_errlog"
30 static char *old_dbfiles[] = {"cnid.db", NULL};
33 static int upgrade_required(const DBD *dbd)
41 if ( ! dbd->db_filename)
46 if ((cwd = open(".", O_RDONLY)) < 0) {
47 LOG(log_error, logtype_cnid, "error opening cwd: %s", strerror(errno));
51 /* chdir to db_envhome */
52 if ((chdir(dbd->db_envhome)) != 0) {
53 LOG(log_error, logtype_cnid, "error chdiring to db_env '%s': %s", dbd->db_envhome, strerror(errno));
58 for (i = 0; old_dbfiles[i] != NULL; i++) {
59 if ( !(stat(old_dbfiles[i], &st) < 0) ) {
63 if (errno != ENOENT) {
64 LOG(log_error, logtype_cnid, "cnid_open: Checking %s gave %s", old_dbfiles[i], strerror(errno));
71 if ((fchdir(cwd)) != 0) {
72 LOG(log_error, logtype_cnid, "error chdiring back: %s", strerror(errno));
77 return (ret < 0 ? ret : found);
81 * Upgrade CNID database versions
83 * For now this does nothing, as upgrading from ver. 0 to 1 is done in dbif_open
85 static int dbif_upgrade(DBD *dbd)
89 if ((version = dbif_getversion(dbd)) == -1)
93 * Do upgrade stuff ...
96 /* Write current version to database */
97 if (version != CNID_VERSION) {
98 if (dbif_setversion(dbd, CNID_VERSION) != 0)
102 LOG(log_debug, logtype_cnid, "Finished CNID database version upgrade check");
107 /* --------------- */
108 static int dbif_openlog(DBD *dbd)
113 if ( ! dbd->db_filename)
118 if ((cwd = open(".", O_RDONLY)) < 0) {
119 LOG(log_error, logtype_cnid, "error opening cwd: %s", strerror(errno));
123 /* chdir to db_envhome */
124 if ((chdir(dbd->db_envhome)) != 0) {
125 LOG(log_error, logtype_cnid, "error chdiring to db_env '%s': %s", dbd->db_envhome, strerror(errno));
130 if ((dbd->db_errlog = fopen(DB_ERRLOGFILE, "a")) == NULL)
131 LOG(log_warning, logtype_cnid, "error creating/opening DB errlogfile: %s", strerror(errno));
133 if (dbd->db_errlog != NULL) {
134 dbd->db_env->set_errfile(dbd->db_env, dbd->db_errlog);
135 dbd->db_env->set_msgfile(dbd->db_env, dbd->db_errlog);
140 if ((fchdir(cwd)) != 0) {
141 LOG(log_error, logtype_cnid, "error chdiring back: %s", strerror(errno));
149 /* --------------- */
150 static int dbif_logautorem(DBD *dbd)
154 char **logfiles = NULL;
157 if ( ! dbd->db_filename)
162 if ((cwd = open(".", O_RDONLY)) < 0) {
163 LOG(log_error, logtype_cnid, "error opening cwd: %s", strerror(errno));
167 /* chdir to db_envhome */
168 if ((chdir(dbd->db_envhome)) != 0) {
169 LOG(log_error, logtype_cnid, "error chdiring to db_env '%s': %s", dbd->db_envhome, strerror(errno));
174 if ((ret = dbd->db_env->log_archive(dbd->db_env, &logfiles, 0)) != 0) {
175 LOG(log_error, logtype_cnid, "error getting list of stale logfiles: %s",
177 dbd->db_env->close(dbd->db_env, 0);
183 if (logfiles != NULL) {
184 for (file = logfiles; *file != NULL; file++) {
185 if (unlink(*file) < 0)
186 LOG(log_warning, logtype_cnid, "Error removing stale logfile %s: %s", *file, strerror(errno));
193 if ((fchdir(cwd)) != 0) {
194 LOG(log_error, logtype_cnid, "error chdiring back: %s", strerror(errno));
202 /* --------------- */
203 int dbif_stamp(DBD *dbd, void *buffer, int size)
212 if ((cwd = open(".", O_RDONLY)) < 0) {
213 LOG(log_error, logtype_cnid, "error opening cwd: %s", strerror(errno));
217 /* chdir to db_envhome */
218 if ((chdir(dbd->db_envhome)) != 0) {
219 LOG(log_error, logtype_cnid, "error chdiring to db_env '%s': %s", dbd->db_envhome, strerror(errno));
223 if ((rc = stat(dbd->db_table[DBIF_CNID].name, &st)) < 0) {
224 LOG(log_error, logtype_cnid, "error stating database %s: %s", dbd->db_table[DBIF_CNID].name, db_strerror(errno));
227 memset(buffer, 0, size);
228 memcpy(buffer, &st.st_ctime, sizeof(st.st_ctime));
230 if ((fchdir(cwd)) != 0) {
231 LOG(log_error, logtype_cnid, "error chdiring back: %s", strerror(errno));
238 /* --------------- */
239 DBD *dbif_init(const char *envhome, const char *filename)
243 if ( NULL == (dbd = calloc(sizeof(DBD), 1)) )
246 /* filename == NULL means in memory db */
251 dbd->db_envhome = strdup(envhome);
252 if (NULL == dbd->db_envhome) {
257 dbd->db_filename = strdup(filename);
258 if (NULL == dbd->db_filename) {
259 free(dbd->db_envhome);
265 dbd->db_table[DBIF_CNID].name = "cnid2.db";
266 dbd->db_table[DBIF_IDX_DEVINO].name = "devino.db";
267 dbd->db_table[DBIF_IDX_DIDNAME].name = "didname.db";
268 dbd->db_table[DBIF_IDX_NAME].name = "name.db";
270 dbd->db_table[DBIF_CNID].type = DB_BTREE;
271 dbd->db_table[DBIF_IDX_DEVINO].type = DB_BTREE;
272 dbd->db_table[DBIF_IDX_DIDNAME].type = DB_BTREE;
273 dbd->db_table[DBIF_IDX_NAME].type = DB_BTREE;
275 dbd->db_table[DBIF_CNID].openflags = DB_CREATE;
276 dbd->db_table[DBIF_IDX_DEVINO].openflags = DB_CREATE;
277 dbd->db_table[DBIF_IDX_DIDNAME].openflags = DB_CREATE;
278 dbd->db_table[DBIF_IDX_NAME].openflags = DB_CREATE;
280 dbd->db_table[DBIF_IDX_NAME].flags = DB_DUPSORT;
286 We must open the db_env with an absolute pathname, as `dbd` keeps chdir'ing, which
287 breaks e.g. bdb logfile-rotation with relative pathnames.
288 But still we use relative paths with upgrade_required() and the DB_ERRLOGFILE
289 in order to avoid creating absolute paths by copying. Both have no problem with
292 int dbif_env_open(DBD *dbd, struct db_param *dbp, uint32_t dbenv_oflags)
296 /* Refuse to do anything if this is an old version of the CNID database */
297 if (upgrade_required(dbd)) {
298 LOG(log_error, logtype_cnid, "Found version 1 of the CNID database. Please upgrade to version 2");
302 if ((ret = db_env_create(&dbd->db_env, 0))) {
303 LOG(log_error, logtype_cnid, "error creating DB environment: %s",
309 if ((dbif_openlog(dbd)) != 0)
312 if (dbenv_oflags & DB_RECOVER) {
314 LOG(log_debug, logtype_cnid, "Running recovery");
316 dbd->db_env->set_verbose(dbd->db_env, DB_VERB_RECOVERY, 1);
317 /* Open the database for recovery using DB_PRIVATE option which is faster */
318 if ((ret = dbd->db_env->open(dbd->db_env, dbd->db_envhome, dbenv_oflags | DB_PRIVATE, 0))) {
319 LOG(log_error, logtype_cnid, "error opening DB environment: %s",
321 dbd->db_env->close(dbd->db_env, 0);
325 dbenv_oflags = (dbenv_oflags & ~DB_RECOVER);
327 if (dbd->db_errlog != NULL)
328 fflush(dbd->db_errlog);
330 if ((ret = dbd->db_env->close(dbd->db_env, 0))) {
331 LOG(log_error, logtype_cnid, "error closing DB environment after recovery: %s",
336 dbd->db_errlog = NULL;
338 if ((ret = db_env_create(&dbd->db_env, 0))) {
339 LOG(log_error, logtype_cnid, "error creating DB environment after recovery: %s",
345 if ((dbif_openlog(dbd)) != 0)
348 LOG(log_debug, logtype_cnid, "Finished recovery.");
351 if ((ret = dbd->db_env->set_cachesize(dbd->db_env, 0, 1024 * dbp->cachesize, 0))) {
352 LOG(log_error, logtype_cnid, "error setting DB environment cachesize to %i: %s",
353 dbp->cachesize, db_strerror(ret));
354 dbd->db_env->close(dbd->db_env, 0);
359 if ((ret = dbd->db_env->open(dbd->db_env, dbd->db_envhome, dbenv_oflags, 0))) {
360 LOG(log_error, logtype_cnid, "error opening DB environment after recovery: %s",
362 dbd->db_env->close(dbd->db_env, 0);
367 if ((ret = dbd->db_env->set_flags(dbd->db_env, DB_AUTO_COMMIT, 1))) {
368 LOG(log_error, logtype_cnid, "error setting DB_AUTO_COMMIT flag: %s",
370 dbd->db_env->close(dbd->db_env, 0);
375 if (dbp->logfile_autoremove) {
376 if ((dbif_logautorem(dbd)) != 0)
379 #if DB_VERSION_MAJOR > 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 7)
380 if ((ret = dbd->db_env->log_set_config(dbd->db_env, DB_LOG_AUTO_REMOVE, 1))) {
381 LOG(log_error, logtype_cnid, "error setting DB_LOG_AUTO_REMOVE flag: %s",
383 dbd->db_env->close(dbd->db_env, 0);
388 if ((ret = dbd->db_env->set_flags(dbd->db_env, DB_LOG_AUTOREMOVE, 1))) {
389 LOG(log_error, logtype_cnid, "error setting DB_LOG_AUTOREMOVE flag: %s",
391 dbd->db_env->close(dbd->db_env, 0);
401 /* --------------- */
402 int dbif_open(DBD *dbd, struct db_param *dbp, int reindex)
409 /* Try to upgrade if it's a normal on-disk database */
410 if (dbd->db_envhome) {
412 if ((cwd = open(".", O_RDONLY)) < 0) {
413 LOG(log_error, logtype_cnid, "error opening cwd: %s", strerror(errno));
417 /* chdir to db_envhome. makes it easier checking for old db files and creating db_errlog file */
418 if ((chdir(dbd->db_envhome)) != 0) {
419 LOG(log_error, logtype_cnid, "error chdiring to db_env '%s': %s", dbd->db_envhome, strerror(errno));
423 if ((stat(dbd->db_filename, &st)) == 0) {
424 LOG(log_debug, logtype_cnid, "See if we can upgrade the CNID database...");
425 if ((ret = db_create(&upgrade_db, dbd->db_env, 0))) {
426 LOG(log_error, logtype_cnid, "error creating handle for database: %s", db_strerror(ret));
429 if ((ret = upgrade_db->upgrade(upgrade_db, dbd->db_filename, 0))) {
430 LOG(log_error, logtype_cnid, "error upgarding database: %s", db_strerror(ret));
433 if ((ret = upgrade_db->close(upgrade_db, 0))) {
434 LOG(log_error, logtype_cnid, "error closing database: %s", db_strerror(ret));
437 if ((ret = dbd->db_env->txn_checkpoint(dbd->db_env, 0, 0, DB_FORCE))) {
438 LOG(log_error, logtype_cnid, "error forcing checkpoint: %s", db_strerror(ret));
441 LOG(log_debug, logtype_cnid, "Finished BerkeleyBD upgrade check");
444 if ((fchdir(cwd)) != 0) {
445 LOG(log_error, logtype_cnid, "error chdiring back: %s", strerror(errno));
450 /* Now open databases ... */
451 for (i = 0; i != DBIF_DB_CNT; i++) {
452 if ((ret = db_create(&dbd->db_table[i].db, dbd->db_env, 0))) {
453 LOG(log_error, logtype_cnid, "error creating handle for database %s: %s",
454 dbd->db_table[i].name, db_strerror(ret));
458 if (dbd->db_table[i].flags) {
459 if ((ret = dbd->db_table[i].db->set_flags(dbd->db_table[i].db,
460 dbd->db_table[i].flags))) {
461 LOG(log_error, logtype_cnid, "error setting flags for database %s: %s",
462 dbd->db_table[i].name, db_strerror(ret));
467 if ( ! dbd->db_env) { /* In memory db */
468 if ((ret = dbd->db_table[i].db->set_cachesize(dbd->db_table[i].db,
471 4)) /* split in 4 memory chunks */
473 LOG(log_error, logtype_cnid, "error setting cachesize %u KB for database %s: %s",
474 dbp->cachesize / 1024, dbd->db_table[i].name, db_strerror(ret));
479 if (dbd->db_table[i].db->open(dbd->db_table[i].db,
482 dbd->db_table[i].name,
483 dbd->db_table[i].type,
484 dbd->db_table[i].openflags,
486 LOG(log_error, logtype_cnid, "Cant open database");
490 if (reindex && i > 0) {
491 LOG(log_info, logtype_cnid, "Truncating CNID index.");
492 if ((ret = dbd->db_table[i].db->truncate(dbd->db_table[i].db, NULL, &count, 0))) {
493 LOG(log_error, logtype_cnid, "error truncating database %s: %s",
494 dbd->db_table[i].name, db_strerror(ret));
500 /* TODO: Implement CNID DB versioning info on new databases. */
502 /* Associate the secondary with the primary. */
504 LOG(log_info, logtype_cnid, "Reindexing did/name index...");
505 if ((ret = dbd->db_table[0].db->associate(dbd->db_table[DBIF_CNID].db,
507 dbd->db_table[DBIF_IDX_DIDNAME].db,
509 (reindex) ? DB_CREATE : 0))
511 LOG(log_error, logtype_cnid, "Failed to associate didname database: %s",db_strerror(ret));
515 LOG(log_info, logtype_cnid, "... done.");
518 LOG(log_info, logtype_cnid, "Reindexing dev/ino index...");
519 if ((ret = dbd->db_table[0].db->associate(dbd->db_table[0].db,
521 dbd->db_table[DBIF_IDX_DEVINO].db,
523 (reindex) ? DB_CREATE : 0))
525 LOG(log_error, logtype_cnid, "Failed to associate devino database: %s",db_strerror(ret));
529 LOG(log_info, logtype_cnid, "... done.");
532 LOG(log_info, logtype_cnid, "Reindexing name index...");
533 if ((ret = dbd->db_table[0].db->associate(dbd->db_table[0].db,
535 dbd->db_table[DBIF_IDX_NAME].db,
539 ((CNID_VERSION == CNID_VERSION_1) && (dbif_getversion(dbd) == CNID_VERSION_0)))
540 ? DB_CREATE : 0)) != 0) {
541 LOG(log_error, logtype_cnid, "Failed to associate name index: %s", db_strerror(ret));
545 LOG(log_info, logtype_cnid, "... done.");
547 if ((ret = dbif_upgrade(dbd)) != 0) {
548 LOG(log_error, logtype_cnid, "Error upgrading CNID database to version %d", CNID_VERSION);
555 /* ------------------------ */
556 static int dbif_closedb(DBD *dbd)
562 for (i = DBIF_DB_CNT -1; i >= 0; i--) {
563 if (dbd->db_table[i].db != NULL && (ret = dbd->db_table[i].db->close(dbd->db_table[i].db, 0))) {
564 LOG(log_error, logtype_cnid, "error closing database %s: %s", dbd->db_table[i].name, db_strerror(ret));
573 /* ------------------------ */
574 int dbif_close(DBD *dbd)
579 if (dbif_closedb(dbd))
582 if (dbd->db_env != NULL && (ret = dbd->db_env->close(dbd->db_env, 0))) {
583 LOG(log_error, logtype_cnid, "error closing DB environment: %s", db_strerror(ret));
586 if (dbd->db_errlog != NULL && fclose(dbd->db_errlog) == EOF) {
587 LOG(log_error, logtype_cnid, "error closing DB logfile: %s", strerror(errno));
591 free(dbd->db_filename);
601 In order to support silent database upgrades:
602 destroy env at cnid_dbd shutdown.
604 int dbif_env_remove(const char *path)
609 LOG(log_debug, logtype_cnid, "Reopening BerkeleyDB environment");
611 if (NULL == (dbd = dbif_init(path, "cnid2.db")))
614 /* Get db_env handle */
615 if ((ret = db_env_create(&dbd->db_env, 0))) {
616 LOG(log_error, logtype_cnid, "error creating DB environment: %s", db_strerror(ret));
621 if ((dbif_openlog(dbd)) != 0)
624 /* Open environment with recovery */
625 if ((ret = dbd->db_env->open(dbd->db_env,
627 DB_CREATE | DB_INIT_LOG | DB_INIT_MPOOL | DB_INIT_LOCK | DB_INIT_TXN | DB_RECOVER | DB_PRIVATE,
629 LOG(log_error, logtype_cnid, "error opening DB environment: %s",
631 dbd->db_env->close(dbd->db_env, 0);
636 if (dbd->db_errlog != NULL)
637 fflush(dbd->db_errlog);
639 /* Remove logfiles */
640 if ((ret = dbd->db_env->log_archive(dbd->db_env, NULL, DB_ARCH_REMOVE))) {
641 LOG(log_error, logtype_cnid, "error removing transaction logfiles: %s", db_strerror(ret));
645 if ((ret = dbd->db_env->close(dbd->db_env, 0))) {
646 LOG(log_error, logtype_cnid, "error closing DB environment after recovery: %s", db_strerror(ret));
651 LOG(log_debug, logtype_cnid, "BerkeleyDB environment recovery done.");
653 /* Get a new db_env handle and then remove environment */
654 if ((ret = db_env_create(&dbd->db_env, 0))) {
655 LOG(log_error, logtype_cnid, "error acquiring db_end handle: %s", db_strerror(ret));
659 if ((ret = dbd->db_env->remove(dbd->db_env, dbd->db_envhome, 0))) {
660 LOG(log_error, logtype_cnid, "error removing BerkeleyDB environment: %s", db_strerror(ret));
664 LOG(log_debug, logtype_cnid, "Removed BerkeleyDB environment.");
670 * The following three functions are wrappers for DB->get(), DB->put() and DB->del().
671 * All three return -1 on error. dbif_get()/dbif_del return 1 if the key was found and 0
672 * otherwise. dbif_put() returns 0 if key/val was successfully updated and 1 if
673 * the DB_NOOVERWRITE flag was specified and the key already exists.
675 * All return codes other than DB_NOTFOUND and DB_KEYEXIST from the DB->()
676 * functions are not expected and therefore error conditions.
679 int dbif_get(DBD *dbd, const int dbi, DBT *key, DBT *val, u_int32_t flags)
683 ret = dbd->db_table[dbi].db->get(dbd->db_table[dbi].db,
689 if (ret == DB_NOTFOUND)
692 LOG(log_error, logtype_cnid, "error retrieving value from %s: %s",
693 dbd->db_table[dbi].name, db_strerror(ret));
699 /* search by secondary return primary */
700 int dbif_pget(DBD *dbd, const int dbi, DBT *key, DBT *pkey, DBT *val, u_int32_t flags)
704 ret = dbd->db_table[dbi].db->pget(dbd->db_table[dbi].db,
711 if (ret == DB_NOTFOUND || ret == DB_SECONDARY_BAD) {
715 LOG(log_error, logtype_cnid, "error retrieving value from %s: %s",
716 dbd->db_table[dbi].name, db_strerror(ret));
722 /* -------------------------- */
723 int dbif_put(DBD *dbd, const int dbi, DBT *key, DBT *val, u_int32_t flags)
727 if (dbif_txn_begin(dbd) < 0) {
728 LOG(log_error, logtype_cnid, "error setting key/value in %s", dbd->db_table[dbi].name);
732 ret = dbd->db_table[dbi].db->put(dbd->db_table[dbi].db,
740 if ((flags & DB_NOOVERWRITE) && ret == DB_KEYEXIST) {
743 LOG(log_error, logtype_cnid, "error setting key/value in %s: %s",
744 dbd->db_table[dbi].name, db_strerror(ret));
751 int dbif_del(DBD *dbd, const int dbi, DBT *key, u_int32_t flags)
755 /* For cooperation with the dbd utility and its usage of a cursor */
757 dbd->db_cur->close(dbd->db_cur);
761 if (dbif_txn_begin(dbd) < 0) {
762 LOG(log_error, logtype_cnid, "error deleting key/value from %s", dbd->db_table[dbi].name);
766 ret = dbd->db_table[dbi].db->del(dbd->db_table[dbi].db,
771 if (ret == DB_NOTFOUND || ret == DB_SECONDARY_BAD)
774 LOG(log_error, logtype_cnid, "error deleting key/value from %s: %s",
775 dbd->db_table[dbi].name, db_strerror(ret));
782 * Return CNID database version number
783 * @returns -1 on error, version number otherwise
785 int dbif_getversion(DBD *dbd)
791 memset(&key, 0, sizeof(key));
792 memset(&data, 0, sizeof(data));
793 key.data = ROOTINFO_KEY;
794 key.size = ROOTINFO_KEYLEN;
796 switch (dbif_get(dbd, DBIF_CNID, &key, &data, 0)) {
798 memcpy(&version, (char *)data.data + CNID_DID_OFS, sizeof(version));
799 version = ntohl(version);
800 LOG(log_debug, logtype_cnid, "CNID database version %u", version);
811 * Return CNID database version number
812 * @returns -1 on error, version number otherwise
814 int dbif_setversion(DBD *dbd, int version)
822 memset(&key, 0, sizeof(key));
823 memset(&data, 0, sizeof(data));
824 key.data = ROOTINFO_KEY;
825 key.size = ROOTINFO_KEYLEN;
827 switch (dbif_get(dbd, DBIF_CNID, &key, &data, 0)) {
834 memcpy((char *)data.data + CNID_DID_OFS, &v, sizeof(v));
835 data.size = ROOTINFO_DATALEN;
836 if (dbif_put(dbd, DBIF_CNID, &key, &data, 0) < 0)
843 * Search the database by name
845 * @param resbuf (w) buffer for search results CNIDs, maxsize is assumed to be
846 * DBD_MAX_SRCH_RSLTS * sizefof(cnid_t)
848 * @returns -1 on error, 0 when nothing found, else the number of matches
850 int dbif_search(DBD *dbd, DBT *key, char *resbuf)
856 char *cnids = resbuf;
858 char *namebkp = key->data;
859 int namelenbkp = key->size;
861 memset(&pkey, 0, sizeof(DBT));
862 memset(&data, 0, sizeof(DBT));
865 ret = dbd->db_table[DBIF_IDX_NAME].db->cursor(dbd->db_table[DBIF_IDX_NAME].db,
870 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(ret));
875 ret = cursorp->pget(cursorp, key, &pkey, &data, DB_SET_RANGE);
876 while (count < DBD_MAX_SRCH_RSLTS && ret != DB_NOTFOUND) {
877 if (namelenbkp <= key->size && strncmp(namebkp, key->data, namelenbkp) == 0) {
879 memcpy(cnids, pkey.data, sizeof(cnid_t));
880 memcpy(&cnid, pkey.data, sizeof(cnid_t));
881 cnids += sizeof(cnid_t);
882 LOG(log_error, logtype_cnid, "match: CNID %" PRIu32, ntohl(cnid));
884 LOG(log_error, logtype_cnid, "ignoring: CNID %" PRIu32, ntohl(cnid));
886 ret = cursorp->pget(cursorp, key, &pkey, &data, DB_NEXT);
893 cursorp->close(cursorp);
897 int dbif_txn_begin(DBD *dbd)
901 /* If we already have an active txn, just return */
905 /* If our DBD has no env, just return (-> in memory db) */
906 if (dbd->db_env == NULL)
909 ret = dbd->db_env->txn_begin(dbd->db_env, NULL, &dbd->db_txn, 0);
912 LOG(log_error, logtype_cnid, "error starting transaction: %s", db_strerror(ret));
918 int dbif_txn_commit(DBD *dbd)
925 /* If our DBD has no env, just return (-> in memory db) */
926 if (dbd->db_env == NULL)
929 ret = dbd->db_txn->commit(dbd->db_txn, 0);
933 LOG(log_error, logtype_cnid, "error committing transaction: %s", db_strerror(ret));
939 int dbif_txn_abort(DBD *dbd)
946 /* If our DBD has no env, just return (-> in memory db) */
947 if (dbd->db_env == NULL)
950 ret = dbd->db_txn->abort(dbd->db_txn);
954 LOG(log_error, logtype_cnid, "error aborting transaction: %s", db_strerror(ret));
961 ret = 1 -> commit txn
962 ret = 0 -> abort txn -> exit!
963 anything else -> exit!
965 void dbif_txn_close(DBD *dbd, int ret)
968 if (dbif_txn_abort(dbd) < 0) {
969 LOG( log_error, logtype_cnid, "Fatal error aborting transaction. Exiting!");
972 } else if (ret == 1) {
973 ret = dbif_txn_commit(dbd);
975 LOG( log_error, logtype_cnid, "Fatal error committing transaction. Exiting!");
982 int dbif_txn_checkpoint(DBD *dbd, u_int32_t kbyte, u_int32_t min, u_int32_t flags)
985 ret = dbd->db_env->txn_checkpoint(dbd->db_env, kbyte, min, flags);
987 LOG(log_error, logtype_cnid, "error checkpointing transaction susystem: %s", db_strerror(ret));
993 int dbif_count(DBD *dbd, const int dbi, u_int32_t *count)
997 DB *db = dbd->db_table[dbi].db;
999 ret = db->stat(db, NULL, &sp, 0);
1002 LOG(log_error, logtype_cnid, "error getting stat infotmation on database: %s", db_strerror(ret));
1006 *count = sp->bt_ndata;
1012 int dbif_copy_rootinfokey(DBD *srcdbd, DBD *destdbd)
1017 memset(&key, 0, sizeof(key));
1018 memset(&data, 0, sizeof(data));
1020 key.data = ROOTINFO_KEY;
1021 key.size = ROOTINFO_KEYLEN;
1023 if ((rc = dbif_get(srcdbd, DBIF_CNID, &key, &data, 0)) <= 0) {
1024 LOG(log_error, logtype_cnid, "dbif_copy_rootinfokey: Error getting rootinfo record");
1028 memset(&key, 0, sizeof(key));
1029 key.data = ROOTINFO_KEY;
1030 key.size = ROOTINFO_KEYLEN;
1032 if ((rc = dbif_put(destdbd, DBIF_CNID, &key, &data, 0))) {
1033 LOG(log_error, logtype_cnid, "dbif_copy_rootinfokey: Error writing rootinfo key");
1040 int dbif_dump(DBD *dbd, int dumpindexes)
1043 uint32_t max = 0, count = 0, cnid, type, did, lastid;
1047 DBT key = { 0 }, data = { 0 };
1048 DB *db = dbd->db_table[DBIF_CNID].db;
1049 char *typestring[2] = {"f", "d"};
1052 printf("CNID database dump:\n");
1054 rc = db->cursor(db, NULL, &cur, 0);
1056 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(rc));
1060 cur->c_get(cur, &key, &data, DB_FIRST);
1062 /* Parse and print data */
1063 memcpy(&cnid, key.data, 4);
1068 /* Rootinfo node ? */
1070 memcpy(&stamp, (char *)data.data + 4, sizeof(time_t));
1071 memcpy(&lastid, (char *)data.data + 20, sizeof(cnid_t));
1072 lastid = ntohl(lastid);
1073 strftime(timebuf, sizeof(timebuf), "%b %d %Y %H:%M:%S", localtime(&stamp));
1074 printf("dbd stamp: 0x%08x (%s), next free CNID: %u\n", (unsigned int)stamp, timebuf, lastid + 1);
1077 memcpy(&dev, (char *)data.data + CNID_DEV_OFS, 8);
1080 memcpy(&ino, (char *)data.data + CNID_INO_OFS, 8);
1083 memcpy(&type, (char *)data.data + CNID_TYPE_OFS, 4);
1086 memcpy(&did, (char *)data.data + CNID_DID_OFS, 4);
1090 printf("id: %10u, did: %10u, type: %s, dev: 0x%llx, ino: 0x%016llx, name: %s\n",
1091 cnid, did, typestring[type],
1092 (long long unsigned int)dev, (long long unsigned int)ino,
1093 (char *)data.data + CNID_NAME_OFS);
1097 rc = cur->c_get(cur, &key, &data, DB_NEXT);
1100 if (rc != DB_NOTFOUND) {
1101 LOG(log_error, logtype_cnid, "Error iterating over btree: %s", db_strerror(rc));
1105 rc = cur->c_close(cur);
1107 LOG(log_error, logtype_cnid, "Couldn't close cursor: %s", db_strerror(rc));
1110 printf("%u CNIDs in database. Max CNID: %u.\n", count, max);
1112 /* Dump indexes too ? */
1114 /* DBIF_IDX_DEVINO */
1115 printf("\ndev/inode index:\n");
1117 db = dbd->db_table[DBIF_IDX_DEVINO].db;
1118 rc = db->cursor(db, NULL, &cur, 0);
1120 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(rc));
1124 cur->c_get(cur, &key, &data, DB_FIRST);
1126 /* Parse and print data */
1129 memcpy(&cnid, data.data, CNID_LEN);
1135 memcpy(&dev, key.data, CNID_DEV_LEN);
1138 memcpy(&ino, (char *)key.data + CNID_DEV_LEN, CNID_INO_LEN);
1141 printf("id: %10u <== dev: 0x%llx, ino: 0x%016llx\n",
1142 cnid, (unsigned long long int)dev, (unsigned long long int)ino);
1145 rc = cur->c_get(cur, &key, &data, DB_NEXT);
1147 if (rc != DB_NOTFOUND) {
1148 LOG(log_error, logtype_cnid, "Error iterating over btree: %s", db_strerror(rc));
1152 rc = cur->c_close(cur);
1154 LOG(log_error, logtype_cnid, "Couldn't close cursor: %s", db_strerror(rc));
1157 printf("%u items\n", count);
1159 /* Now dump DBIF_IDX_DIDNAME */
1160 printf("\ndid/name index:\n");
1162 db = dbd->db_table[DBIF_IDX_DIDNAME].db;
1163 rc = db->cursor(db, NULL, &cur, 0);
1165 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(rc));
1169 cur->c_get(cur, &key, &data, DB_FIRST);
1171 /* Parse and print data */
1174 memcpy(&cnid, data.data, CNID_LEN);
1180 memcpy(&did, key.data, CNID_LEN);
1183 printf("id: %10u <== did: %10u, name: %s\n", cnid, did, (char *)key.data + CNID_LEN);
1186 rc = cur->c_get(cur, &key, &data, DB_NEXT);
1188 if (rc != DB_NOTFOUND) {
1189 LOG(log_error, logtype_cnid, "Error iterating over btree: %s", db_strerror(rc));
1193 rc = cur->c_close(cur);
1195 LOG(log_error, logtype_cnid, "Couldn't close cursor: %s", db_strerror(rc));
1198 printf("%u items\n", count);
1205 Iterates over dbd, returning cnids.
1206 Uses in-value of cnid to seek to that cnid, then gets next and return that in cnid.
1207 If close=1, close cursor.
1208 Return -1 on error, 0 on EOD (end-of-database), 1 if returning cnid.
1210 int dbif_idwalk(DBD *dbd, cnid_t *cnid, int close)
1216 static DBT key = { 0 }, data = { 0 };
1217 DB *db = dbd->db_table[DBIF_CNID].db;
1221 dbd->db_cur->close(dbd->db_cur);
1227 /* An dbif_del will have closed our cursor too */
1228 if ( ! dbd->db_cur ) {
1229 if ((rc = db->cursor(db, NULL, &dbd->db_cur, 0)) != 0) {
1230 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(rc));
1233 flag = DB_SET_RANGE; /* This will seek to next cnid after the one just deleted */
1236 key.size = sizeof(cnid_t);
1240 if ((rc = dbd->db_cur->get(dbd->db_cur, &key, &data, flag)) == 0) {
1241 memcpy(cnid, key.data, sizeof(cnid_t));
1242 *cnid = ntohl(*cnid);
1246 if (rc != DB_NOTFOUND) {
1247 LOG(log_error, logtype_cnid, "Error iterating over btree: %s", db_strerror(rc));
1248 dbd->db_cur->close(dbd->db_cur);
1254 dbd->db_cur->close(dbd->db_cur);