2 * Copyright (C) Joerg Lenneis 2003
3 * Copyright (C) Frank Lahm 2009
4 * All Rights Reserved. See COPYING.
9 #endif /* HAVE_CONFIG_H */
15 #include <sys/types.h>
17 #include <sys/cdefs.h>
22 #include <atalk/logger.h>
23 #include <atalk/util.h>
29 #define DB_ERRLOGFILE "db_errlog"
32 * Get the db stamp which is the st_ctime of the file "cnid2.db" and store it in buffer
34 static int dbif_stamp(DBD *dbd, void *buffer, int size)
43 if ((cwd = open(".", O_RDONLY)) < 0) {
44 LOG(log_error, logtype_cnid, "error opening cwd: %s", strerror(errno));
48 /* chdir to db_envhome */
49 if ((chdir(dbd->db_envhome)) != 0) {
50 LOG(log_error, logtype_cnid, "error chdiring to db_env '%s': %s", dbd->db_envhome, strerror(errno));
54 if ((rc = stat(dbd->db_table[DBIF_CNID].name, &st)) < 0) {
55 LOG(log_error, logtype_cnid, "error stating database %s: %s", dbd->db_table[DBIF_CNID].name, db_strerror(errno));
59 LOG(log_maxdebug, logtype_cnid,"stamp: %s", asctime(localtime(&st.st_ctime)));
61 memset(buffer, 0, size);
62 memcpy(buffer, &st.st_ctime, sizeof(st.st_ctime));
64 if ((fchdir(cwd)) != 0) {
65 LOG(log_error, logtype_cnid, "error chdiring back: %s", strerror(errno));
73 * Inititialize rootinfo key (which has CNID 0 as key)
75 * This also "stamps" the database, which means storing st.st_ctime of the
76 * "cnid2.db" file in the rootinfo data at the DEV offset
78 * @param dbd (rw) database handle
79 * @param version (r) database version number
81 * @returns -1 on error, 0 on success
83 static int dbif_init_rootinfo(DBD *dbd, int version)
87 char buf[ROOTINFO_DATALEN];
89 LOG(log_debug, logtype_cnid, "Setting CNID database version to %u", version);
94 memset(&key, 0, sizeof(key));
95 memset(&data, 0, sizeof(data));
96 key.data = ROOTINFO_KEY;
97 key.size = ROOTINFO_KEYLEN;
99 data.size = ROOTINFO_DATALEN;
101 memcpy(buf, ROOTINFO_DATA, ROOTINFO_DATALEN);
102 memcpy(buf + CNID_DID_OFS, &v, sizeof(v));
103 if (dbif_stamp(dbd, buf + CNID_DEV_OFS, CNID_DEV_LEN) < 0)
106 if (dbif_put(dbd, DBIF_CNID, &key, &data, 0) < 0)
113 * Return CNID database version number
115 * Returns version in *version
117 * @returns -1 on error, 0 if theres no rootinfo key yet, 1 if *version is returned
119 static int dbif_getversion(DBD *dbd, uint32_t *version)
124 memset(&key, 0, sizeof(key));
125 memset(&data, 0, sizeof(data));
126 key.data = ROOTINFO_KEY;
127 key.size = ROOTINFO_KEYLEN;
129 switch (dbif_get(dbd, DBIF_CNID, &key, &data, 0)) {
131 memcpy(version, (char *)data.data + CNID_DID_OFS, sizeof(uint32_t));
132 *version = ntohl(*version);
133 LOG(log_debug, logtype_cnid, "CNID database version %u", *version);
136 case 0: /* not found */
148 * Set CNID database version number
150 * Initializes rootinfo key as neccessary, as does dbif_getversion
151 * @returns -1 on error, 0 on success
153 static int dbif_setversion(DBD *dbd, uint32_t version)
159 LOG(log_debug, logtype_cnid, "Setting CNID database version to %u", version);
164 memset(&key, 0, sizeof(key));
165 memset(&data, 0, sizeof(data));
166 key.data = ROOTINFO_KEY;
167 key.size = ROOTINFO_KEYLEN;
169 if ((ret = dbif_get(dbd, DBIF_CNID, &key, &data, 0)) == -1)
172 /* No rootinfo key yet, init it */
173 if (dbif_init_rootinfo(dbd, CNID_VERSION) != 0)
176 if (dbif_get(dbd, DBIF_CNID, &key, &data, 0) == -1)
179 memcpy((char *)data.data + CNID_DID_OFS, &v, sizeof(v));
180 data.size = ROOTINFO_DATALEN;
181 if (dbif_put(dbd, DBIF_CNID, &key, &data, 0) < 0)
188 * Upgrade CNID database versions
190 * For now this does nothing, as upgrading from ver. 0 to 1 is done in dbif_open
192 static int dbif_upgrade(DBD *dbd)
196 if (dbif_getversion(dbd, &version) == -1)
200 * Do upgrade stuff ...
203 /* Write current version to database */
204 if (version != CNID_VERSION) {
205 if (dbif_setversion(dbd, CNID_VERSION) != 0)
209 LOG(log_debug, logtype_cnid, "Finished CNID database version upgrade check");
214 /* --------------- */
215 static int dbif_openlog(DBD *dbd)
220 if ( ! dbd->db_filename)
225 if ((cwd = open(".", O_RDONLY)) < 0) {
226 LOG(log_error, logtype_cnid, "error opening cwd: %s", strerror(errno));
230 /* chdir to db_envhome */
231 if ((chdir(dbd->db_envhome)) != 0) {
232 LOG(log_error, logtype_cnid, "error chdiring to db_env '%s': %s", dbd->db_envhome, strerror(errno));
237 if ((dbd->db_errlog = fopen(DB_ERRLOGFILE, "a")) == NULL)
238 LOG(log_warning, logtype_cnid, "error creating/opening DB errlogfile: %s", strerror(errno));
240 if (dbd->db_errlog != NULL) {
241 dbd->db_env->set_errfile(dbd->db_env, dbd->db_errlog);
242 dbd->db_env->set_msgfile(dbd->db_env, dbd->db_errlog);
247 if ((fchdir(cwd)) != 0) {
248 LOG(log_error, logtype_cnid, "error chdiring back: %s", strerror(errno));
256 /* --------------- */
257 static int dbif_logautorem(DBD *dbd)
261 char **logfiles = NULL;
264 if ( ! dbd->db_filename)
269 if ((cwd = open(".", O_RDONLY)) < 0) {
270 LOG(log_error, logtype_cnid, "error opening cwd: %s", strerror(errno));
274 /* chdir to db_envhome */
275 if ((chdir(dbd->db_envhome)) != 0) {
276 LOG(log_error, logtype_cnid, "error chdiring to db_env '%s': %s", dbd->db_envhome, strerror(errno));
281 if ((ret = dbd->db_env->log_archive(dbd->db_env, &logfiles, 0)) != 0) {
282 LOG(log_error, logtype_cnid, "error getting list of stale logfiles: %s",
284 dbd->db_env->close(dbd->db_env, 0);
290 if (logfiles != NULL) {
291 for (file = logfiles; *file != NULL; file++) {
292 if (unlink(*file) < 0)
293 LOG(log_warning, logtype_cnid, "Error removing stale logfile %s: %s", *file, strerror(errno));
300 if ((fchdir(cwd)) != 0) {
301 LOG(log_error, logtype_cnid, "error chdiring back: %s", strerror(errno));
309 /* --------------- */
310 DBD *dbif_init(const char *envhome, const char *filename)
314 if ( NULL == (dbd = calloc(sizeof(DBD), 1)) )
317 /* filename == NULL means in memory db */
322 dbd->db_envhome = strdup(envhome);
323 if (NULL == dbd->db_envhome) {
328 dbd->db_filename = strdup(filename);
329 if (NULL == dbd->db_filename) {
330 free(dbd->db_envhome);
336 dbd->db_table[DBIF_CNID].name = "cnid2.db";
337 dbd->db_table[DBIF_IDX_DEVINO].name = "devino.db";
338 dbd->db_table[DBIF_IDX_DIDNAME].name = "didname.db";
339 dbd->db_table[DBIF_IDX_NAME].name = "name.db";
341 dbd->db_table[DBIF_CNID].type = DB_BTREE;
342 dbd->db_table[DBIF_IDX_DEVINO].type = DB_BTREE;
343 dbd->db_table[DBIF_IDX_DIDNAME].type = DB_BTREE;
344 dbd->db_table[DBIF_IDX_NAME].type = DB_BTREE;
346 dbd->db_table[DBIF_CNID].openflags = DB_CREATE;
347 dbd->db_table[DBIF_IDX_DEVINO].openflags = DB_CREATE;
348 dbd->db_table[DBIF_IDX_DIDNAME].openflags = DB_CREATE;
349 dbd->db_table[DBIF_IDX_NAME].openflags = DB_CREATE;
351 dbd->db_table[DBIF_IDX_NAME].flags = DB_DUPSORT;
357 We must open the db_env with an absolute pathname, as `dbd` keeps chdir'ing, which
358 breaks e.g. bdb logfile-rotation with relative pathnames.
359 But still we use relative paths with DB_ERRLOGFILE
360 in order to avoid creating absolute paths by copying. Both have no problem with
363 int dbif_env_open(DBD *dbd, struct db_param *dbp, uint32_t dbenv_oflags)
367 if ((ret = db_env_create(&dbd->db_env, 0))) {
368 LOG(log_error, logtype_cnid, "error creating DB environment: %s",
374 if ((dbif_openlog(dbd)) != 0)
377 if (dbenv_oflags & DB_RECOVER) {
379 LOG(log_debug, logtype_cnid, "Running recovery");
381 dbd->db_env->set_verbose(dbd->db_env, DB_VERB_RECOVERY, 1);
382 /* Open the database for recovery using DB_PRIVATE option which is faster */
383 if ((ret = dbd->db_env->open(dbd->db_env, dbd->db_envhome, dbenv_oflags | DB_PRIVATE, 0))) {
384 LOG(log_error, logtype_cnid, "error opening DB environment: %s",
386 dbd->db_env->close(dbd->db_env, 0);
390 dbenv_oflags = (dbenv_oflags & ~DB_RECOVER);
392 if (dbd->db_errlog != NULL)
393 fflush(dbd->db_errlog);
395 if ((ret = dbd->db_env->close(dbd->db_env, 0))) {
396 LOG(log_error, logtype_cnid, "error closing DB environment after recovery: %s",
401 dbd->db_errlog = NULL;
403 if ((ret = db_env_create(&dbd->db_env, 0))) {
404 LOG(log_error, logtype_cnid, "error creating DB environment after recovery: %s",
410 if ((dbif_openlog(dbd)) != 0)
413 LOG(log_debug, logtype_cnid, "Finished recovery.");
416 if ((ret = dbd->db_env->set_cachesize(dbd->db_env, 0, 1024 * dbp->cachesize, 0))) {
417 LOG(log_error, logtype_cnid, "error setting DB environment cachesize to %i: %s",
418 dbp->cachesize, db_strerror(ret));
419 dbd->db_env->close(dbd->db_env, 0);
424 if ((ret = dbd->db_env->set_lk_max_locks(dbd->db_env, dbp->maxlocks))) {
425 LOG(log_error, logtype_cnid, "error setting DB environment maxlocks to %i: %s",
426 10000, db_strerror(ret));
427 dbd->db_env->close(dbd->db_env, 0);
432 if ((ret = dbd->db_env->set_lk_max_objects(dbd->db_env, dbp->maxlockobjs))) {
433 LOG(log_error, logtype_cnid, "error setting DB environment max lockobjects to %i: %s",
434 10000, db_strerror(ret));
435 dbd->db_env->close(dbd->db_env, 0);
440 if ((ret = dbd->db_env->open(dbd->db_env, dbd->db_envhome, dbenv_oflags, 0))) {
441 LOG(log_error, logtype_cnid, "error opening DB environment after recovery: %s",
443 dbd->db_env->close(dbd->db_env, 0);
448 if ((ret = dbd->db_env->set_flags(dbd->db_env, DB_AUTO_COMMIT, 1))) {
449 LOG(log_error, logtype_cnid, "error setting DB_AUTO_COMMIT flag: %s",
451 dbd->db_env->close(dbd->db_env, 0);
456 if (dbp->logfile_autoremove) {
457 if ((dbif_logautorem(dbd)) != 0)
460 #if DB_VERSION_MAJOR > 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 7)
461 if ((ret = dbd->db_env->log_set_config(dbd->db_env, DB_LOG_AUTO_REMOVE, 1))) {
462 LOG(log_error, logtype_cnid, "error setting DB_LOG_AUTO_REMOVE flag: %s",
464 dbd->db_env->close(dbd->db_env, 0);
469 if ((ret = dbd->db_env->set_flags(dbd->db_env, DB_LOG_AUTOREMOVE, 1))) {
470 LOG(log_error, logtype_cnid, "error setting DB_LOG_AUTOREMOVE flag: %s",
472 dbd->db_env->close(dbd->db_env, 0);
482 /* --------------- */
483 int dbif_open(DBD *dbd, struct db_param *dbp, int reindex)
490 /* Try to upgrade if it's a normal on-disk database */
491 if (dbd->db_envhome) {
493 if ((cwd = open(".", O_RDONLY)) < 0) {
494 LOG(log_error, logtype_cnid, "error opening cwd: %s", strerror(errno));
498 /* chdir to db_envhome. makes it easier checking for old db files and creating db_errlog file */
499 if ((chdir(dbd->db_envhome)) != 0) {
500 LOG(log_error, logtype_cnid, "error chdiring to db_env '%s': %s", dbd->db_envhome, strerror(errno));
504 if ((stat(dbd->db_filename, &st)) == 0) {
505 LOG(log_debug, logtype_cnid, "See if we can upgrade the CNID database...");
506 if ((ret = db_create(&upgrade_db, dbd->db_env, 0))) {
507 LOG(log_error, logtype_cnid, "error creating handle for database: %s", db_strerror(ret));
510 if ((ret = upgrade_db->upgrade(upgrade_db, dbd->db_filename, 0))) {
511 LOG(log_error, logtype_cnid, "error upgarding database: %s", db_strerror(ret));
514 if ((ret = upgrade_db->close(upgrade_db, 0))) {
515 LOG(log_error, logtype_cnid, "error closing database: %s", db_strerror(ret));
518 if ((ret = dbd->db_env->txn_checkpoint(dbd->db_env, 0, 0, DB_FORCE))) {
519 LOG(log_error, logtype_cnid, "error forcing checkpoint: %s", db_strerror(ret));
522 LOG(log_debug, logtype_cnid, "Finished BerkeleyBD upgrade check");
525 if ((fchdir(cwd)) != 0) {
526 LOG(log_error, logtype_cnid, "error chdiring back: %s", strerror(errno));
531 /* Now open databases ... */
532 for (i = 0; i != DBIF_DB_CNT; i++) {
533 if ((ret = db_create(&dbd->db_table[i].db, dbd->db_env, 0))) {
534 LOG(log_error, logtype_cnid, "error creating handle for database %s: %s",
535 dbd->db_table[i].name, db_strerror(ret));
539 if (dbd->db_table[i].flags) {
540 if ((ret = dbd->db_table[i].db->set_flags(dbd->db_table[i].db,
541 dbd->db_table[i].flags))) {
542 LOG(log_error, logtype_cnid, "error setting flags for database %s: %s",
543 dbd->db_table[i].name, db_strerror(ret));
548 if ( ! dbd->db_env) { /* In memory db */
549 if ((ret = dbd->db_table[i].db->set_cachesize(dbd->db_table[i].db,
552 4)) /* split in 4 memory chunks */
554 LOG(log_error, logtype_cnid, "error setting cachesize %u KB for database %s: %s",
555 dbp->cachesize / 1024, dbd->db_table[i].name, db_strerror(ret));
560 if (dbd->db_table[i].db->open(dbd->db_table[i].db,
563 dbd->db_table[i].name,
564 dbd->db_table[i].type,
565 dbd->db_table[i].openflags,
567 LOG(log_error, logtype_cnid, "Cant open database");
571 if (reindex && i > 0) {
572 LOG(log_info, logtype_cnid, "Truncating CNID index.");
573 if ((ret = dbd->db_table[i].db->truncate(dbd->db_table[i].db, NULL, &count, 0))) {
574 LOG(log_error, logtype_cnid, "error truncating database %s: %s",
575 dbd->db_table[i].name, db_strerror(ret));
581 /* TODO: Implement CNID DB versioning info on new databases. */
583 /* Associate the secondary with the primary. */
585 LOG(log_info, logtype_cnid, "Reindexing did/name index...");
586 if ((ret = dbd->db_table[0].db->associate(dbd->db_table[DBIF_CNID].db,
588 dbd->db_table[DBIF_IDX_DIDNAME].db,
590 (reindex) ? DB_CREATE : 0))
592 LOG(log_error, logtype_cnid, "Failed to associate didname database: %s",db_strerror(ret));
596 LOG(log_info, logtype_cnid, "... done.");
599 LOG(log_info, logtype_cnid, "Reindexing dev/ino index...");
600 if ((ret = dbd->db_table[0].db->associate(dbd->db_table[0].db,
602 dbd->db_table[DBIF_IDX_DEVINO].db,
604 (reindex) ? DB_CREATE : 0))
606 LOG(log_error, logtype_cnid, "Failed to associate devino database: %s",db_strerror(ret));
610 LOG(log_info, logtype_cnid, "... done.");
613 LOG(log_info, logtype_cnid, "Reindexing name index...");
615 uint32_t version = CNID_VERSION;
616 if (dbd->db_envhome && !reindex) {
617 if (dbif_getversion(dbd, &version) == -1)
621 if ((ret = dbd->db_table[0].db->associate(dbd->db_table[0].db,
623 dbd->db_table[DBIF_IDX_NAME].db,
627 ((CNID_VERSION == CNID_VERSION_1) && (version == CNID_VERSION_0)))
628 ? DB_CREATE : 0)) != 0) {
629 LOG(log_error, logtype_cnid, "Failed to associate name index: %s", db_strerror(ret));
633 LOG(log_info, logtype_cnid, "... done.");
635 if ((dbd->db_envhome) && ((ret = dbif_upgrade(dbd)) != 0)) {
636 LOG(log_error, logtype_cnid, "Error upgrading CNID database to version %d", CNID_VERSION);
643 /* ------------------------ */
644 static int dbif_closedb(DBD *dbd)
650 for (i = DBIF_DB_CNT -1; i >= 0; i--) {
651 if (dbd->db_table[i].db != NULL && (ret = dbd->db_table[i].db->close(dbd->db_table[i].db, 0))) {
652 LOG(log_error, logtype_cnid, "error closing database %s: %s", dbd->db_table[i].name, db_strerror(ret));
661 /* ------------------------ */
662 int dbif_close(DBD *dbd)
667 if (dbif_closedb(dbd))
670 if (dbd->db_env != NULL && (ret = dbd->db_env->close(dbd->db_env, 0))) {
671 LOG(log_error, logtype_cnid, "error closing DB environment: %s", db_strerror(ret));
674 if (dbd->db_errlog != NULL && fclose(dbd->db_errlog) == EOF) {
675 LOG(log_error, logtype_cnid, "error closing DB logfile: %s", strerror(errno));
679 free(dbd->db_filename);
689 In order to support silent database upgrades:
690 destroy env at cnid_dbd shutdown.
692 int dbif_env_remove(const char *path)
697 LOG(log_debug, logtype_cnid, "Reopening BerkeleyDB environment");
699 if (NULL == (dbd = dbif_init(path, "cnid2.db")))
702 /* Get db_env handle */
703 if ((ret = db_env_create(&dbd->db_env, 0))) {
704 LOG(log_error, logtype_cnid, "error creating DB environment: %s", db_strerror(ret));
709 if ((dbif_openlog(dbd)) != 0)
712 /* Open environment with recovery */
713 if ((ret = dbd->db_env->open(dbd->db_env,
715 DB_CREATE | DB_INIT_LOG | DB_INIT_MPOOL | DB_INIT_LOCK | DB_INIT_TXN | DB_RECOVER | DB_PRIVATE,
717 LOG(log_error, logtype_cnid, "error opening DB environment: %s",
719 dbd->db_env->close(dbd->db_env, 0);
724 if (dbd->db_errlog != NULL)
725 fflush(dbd->db_errlog);
727 /* Remove logfiles */
728 if ((ret = dbd->db_env->log_archive(dbd->db_env, NULL, DB_ARCH_REMOVE))) {
729 LOG(log_error, logtype_cnid, "error removing transaction logfiles: %s", db_strerror(ret));
733 if ((ret = dbd->db_env->close(dbd->db_env, 0))) {
734 LOG(log_error, logtype_cnid, "error closing DB environment after recovery: %s", db_strerror(ret));
739 LOG(log_debug, logtype_cnid, "BerkeleyDB environment recovery done.");
741 /* Get a new db_env handle and then remove environment */
742 if ((ret = db_env_create(&dbd->db_env, 0))) {
743 LOG(log_error, logtype_cnid, "error acquiring db_end handle: %s", db_strerror(ret));
747 if ((ret = dbd->db_env->remove(dbd->db_env, dbd->db_envhome, 0))) {
748 LOG(log_error, logtype_cnid, "error removing BerkeleyDB environment: %s", db_strerror(ret));
752 LOG(log_debug, logtype_cnid, "Removed BerkeleyDB environment.");
758 * The following three functions are wrappers for DB->get(), DB->put() and DB->del().
759 * All three return -1 on error. dbif_get()/dbif_del return 1 if the key was found and 0
760 * otherwise. dbif_put() returns 0 if key/val was successfully updated and 1 if
761 * the DB_NOOVERWRITE flag was specified and the key already exists.
763 * All return codes other than DB_NOTFOUND and DB_KEYEXIST from the DB->()
764 * functions are not expected and therefore error conditions.
767 int dbif_get(DBD *dbd, const int dbi, DBT *key, DBT *val, u_int32_t flags)
771 ret = dbd->db_table[dbi].db->get(dbd->db_table[dbi].db,
777 if (ret == DB_NOTFOUND)
780 LOG(log_error, logtype_cnid, "error retrieving value from %s: %s",
781 dbd->db_table[dbi].name, db_strerror(ret));
787 /* search by secondary return primary */
788 int dbif_pget(DBD *dbd, const int dbi, DBT *key, DBT *pkey, DBT *val, u_int32_t flags)
792 ret = dbd->db_table[dbi].db->pget(dbd->db_table[dbi].db,
799 if (ret == DB_NOTFOUND || ret == DB_SECONDARY_BAD) {
803 LOG(log_error, logtype_cnid, "error retrieving value from %s: %s",
804 dbd->db_table[dbi].name, db_strerror(ret));
810 /* -------------------------- */
811 int dbif_put(DBD *dbd, const int dbi, DBT *key, DBT *val, u_int32_t flags)
815 if (dbif_txn_begin(dbd) < 0) {
816 LOG(log_error, logtype_cnid, "error setting key/value in %s", dbd->db_table[dbi].name);
820 ret = dbd->db_table[dbi].db->put(dbd->db_table[dbi].db,
828 if ((flags & DB_NOOVERWRITE) && ret == DB_KEYEXIST) {
831 LOG(log_error, logtype_cnid, "error setting key/value in %s: %s",
832 dbd->db_table[dbi].name, db_strerror(ret));
839 int dbif_del(DBD *dbd, const int dbi, DBT *key, u_int32_t flags)
843 /* For cooperation with the dbd utility and its usage of a cursor */
845 dbd->db_cur->close(dbd->db_cur);
849 if (dbif_txn_begin(dbd) < 0) {
850 LOG(log_error, logtype_cnid, "error deleting key/value from %s", dbd->db_table[dbi].name);
854 ret = dbd->db_table[dbi].db->del(dbd->db_table[dbi].db,
859 if (ret == DB_NOTFOUND) {
860 LOG(log_info, logtype_cnid, "key not found");
864 LOG(log_error, logtype_cnid, "error deleting key/value from %s: %s",
865 dbd->db_table[dbi].name, db_strerror(ret));
872 * Search the database by name
874 * @param resbuf (w) buffer for search results CNIDs, maxsize is assumed to be
875 * DBD_MAX_SRCH_RSLTS * sizefof(cnid_t)
877 * @returns -1 on error, 0 when nothing found, else the number of matches
879 int dbif_search(DBD *dbd, DBT *key, char *resbuf)
885 char *cnids = resbuf;
887 char *namebkp = key->data;
888 int namelenbkp = key->size;
890 memset(&pkey, 0, sizeof(DBT));
891 memset(&data, 0, sizeof(DBT));
894 ret = dbd->db_table[DBIF_IDX_NAME].db->cursor(dbd->db_table[DBIF_IDX_NAME].db,
899 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(ret));
904 ret = cursorp->pget(cursorp, key, &pkey, &data, DB_SET_RANGE);
905 while (count < DBD_MAX_SRCH_RSLTS && ret != DB_NOTFOUND) {
906 if (!((namelenbkp <= key->size) && (strncmp(namebkp, key->data, namelenbkp) == 0)))
909 memcpy(cnids, pkey.data, sizeof(cnid_t));
910 memcpy(&cnid, pkey.data, sizeof(cnid_t));
911 cnids += sizeof(cnid_t);
912 LOG(log_debug, logtype_cnid, "match: CNID %" PRIu32, ntohl(cnid));
914 ret = cursorp->pget(cursorp, key, &pkey, &data, DB_NEXT);
921 cursorp->close(cursorp);
925 int dbif_txn_begin(DBD *dbd)
929 /* If we already have an active txn, just return */
933 /* If our DBD has no env, just return (-> in memory db) */
934 if (dbd->db_env == NULL)
937 ret = dbd->db_env->txn_begin(dbd->db_env, NULL, &dbd->db_txn, 0);
940 LOG(log_error, logtype_cnid, "error starting transaction: %s", db_strerror(ret));
946 int dbif_txn_commit(DBD *dbd)
953 /* If our DBD has no env, just return (-> in memory db) */
954 if (dbd->db_env == NULL)
957 ret = dbd->db_txn->commit(dbd->db_txn, 0);
961 LOG(log_error, logtype_cnid, "error committing transaction: %s", db_strerror(ret));
967 int dbif_txn_abort(DBD *dbd)
974 /* If our DBD has no env, just return (-> in memory db) */
975 if (dbd->db_env == NULL)
978 ret = dbd->db_txn->abort(dbd->db_txn);
982 LOG(log_error, logtype_cnid, "error aborting transaction: %s", db_strerror(ret));
989 ret = 1 -> commit txn
990 ret = 0 -> abort txn -> exit!
991 anything else -> exit!
993 void dbif_txn_close(DBD *dbd, int ret)
996 if (dbif_txn_abort(dbd) < 0) {
997 LOG( log_error, logtype_cnid, "Fatal error aborting transaction. Exiting!");
1000 } else if (ret == 1) {
1001 ret = dbif_txn_commit(dbd);
1003 LOG( log_error, logtype_cnid, "Fatal error committing transaction. Exiting!");
1010 int dbif_txn_checkpoint(DBD *dbd, u_int32_t kbyte, u_int32_t min, u_int32_t flags)
1013 ret = dbd->db_env->txn_checkpoint(dbd->db_env, kbyte, min, flags);
1015 LOG(log_error, logtype_cnid, "error checkpointing transaction susystem: %s", db_strerror(ret));
1021 int dbif_count(DBD *dbd, const int dbi, u_int32_t *count)
1025 DB *db = dbd->db_table[dbi].db;
1027 ret = db->stat(db, NULL, &sp, 0);
1030 LOG(log_error, logtype_cnid, "error getting stat infotmation on database: %s", db_strerror(ret));
1034 *count = sp->bt_ndata;
1040 int dbif_copy_rootinfokey(DBD *srcdbd, DBD *destdbd)
1045 memset(&key, 0, sizeof(key));
1046 memset(&data, 0, sizeof(data));
1048 key.data = ROOTINFO_KEY;
1049 key.size = ROOTINFO_KEYLEN;
1051 if ((rc = dbif_get(srcdbd, DBIF_CNID, &key, &data, 0)) <= 0) {
1052 LOG(log_error, logtype_cnid, "dbif_copy_rootinfokey: Error getting rootinfo record");
1056 memset(&key, 0, sizeof(key));
1057 key.data = ROOTINFO_KEY;
1058 key.size = ROOTINFO_KEYLEN;
1060 if ((rc = dbif_put(destdbd, DBIF_CNID, &key, &data, 0))) {
1061 LOG(log_error, logtype_cnid, "dbif_copy_rootinfokey: Error writing rootinfo key");
1068 int dbif_dump(DBD *dbd, int dumpindexes)
1071 uint32_t max = 0, count = 0, cnid, type, did, lastid, version;
1075 DBT key = { 0 }, data = { 0 };
1076 DB *db = dbd->db_table[DBIF_CNID].db;
1077 char *typestring[2] = {"f", "d"};
1080 printf("CNID database dump:\n");
1082 rc = db->cursor(db, NULL, &cur, 0);
1084 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(rc));
1088 cur->c_get(cur, &key, &data, DB_FIRST);
1090 /* Parse and print data */
1091 memcpy(&cnid, key.data, 4);
1096 /* Rootinfo node ? */
1098 memcpy(&stamp, (char *)data.data + CNID_DEV_OFS, sizeof(time_t));
1099 memcpy(&lastid, (char *)data.data + CNID_TYPE_OFS, CNID_TYPE_LEN);
1100 lastid = ntohl(lastid);
1101 memcpy(&version, (char *)data.data + CNID_DID_OFS, CNID_DID_LEN);
1102 version = ntohl(version);
1104 strftime(timebuf, sizeof(timebuf), "%b %d %Y %H:%M:%S", localtime(&stamp));
1105 printf("CNID db version: %u, dbd stamp: 0x%08x (%s), next free CNID: %u\n",
1106 version, (unsigned int)stamp, timebuf, lastid + 1);
1109 memcpy(&dev, (char *)data.data + CNID_DEV_OFS, 8);
1112 memcpy(&ino, (char *)data.data + CNID_INO_OFS, 8);
1115 memcpy(&type, (char *)data.data + CNID_TYPE_OFS, 4);
1118 memcpy(&did, (char *)data.data + CNID_DID_OFS, 4);
1122 printf("id: %10u, did: %10u, type: %s, dev: 0x%llx, ino: 0x%016llx, name: %s\n",
1123 cnid, did, typestring[type],
1124 (long long unsigned int)dev, (long long unsigned int)ino,
1125 (char *)data.data + CNID_NAME_OFS);
1129 rc = cur->c_get(cur, &key, &data, DB_NEXT);
1132 if (rc != DB_NOTFOUND) {
1133 LOG(log_error, logtype_cnid, "Error iterating over btree: %s", db_strerror(rc));
1137 rc = cur->c_close(cur);
1139 LOG(log_error, logtype_cnid, "Couldn't close cursor: %s", db_strerror(rc));
1142 printf("%u CNIDs in database. Max CNID: %u.\n", count, max);
1144 /* Dump indexes too ? */
1146 /* DBIF_IDX_DEVINO */
1147 printf("\ndev/inode index:\n");
1149 db = dbd->db_table[DBIF_IDX_DEVINO].db;
1150 rc = db->cursor(db, NULL, &cur, 0);
1152 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(rc));
1156 cur->c_get(cur, &key, &data, DB_FIRST);
1158 /* Parse and print data */
1161 memcpy(&cnid, data.data, CNID_LEN);
1167 memcpy(&dev, key.data, CNID_DEV_LEN);
1170 memcpy(&ino, (char *)key.data + CNID_DEV_LEN, CNID_INO_LEN);
1173 printf("id: %10u <== dev: 0x%llx, ino: 0x%016llx\n",
1174 cnid, (unsigned long long int)dev, (unsigned long long int)ino);
1177 rc = cur->c_get(cur, &key, &data, DB_NEXT);
1179 if (rc != DB_NOTFOUND) {
1180 LOG(log_error, logtype_cnid, "Error iterating over btree: %s", db_strerror(rc));
1184 rc = cur->c_close(cur);
1186 LOG(log_error, logtype_cnid, "Couldn't close cursor: %s", db_strerror(rc));
1189 printf("%u items\n", count);
1191 /* Now dump DBIF_IDX_DIDNAME */
1192 printf("\ndid/name index:\n");
1194 db = dbd->db_table[DBIF_IDX_DIDNAME].db;
1195 rc = db->cursor(db, NULL, &cur, 0);
1197 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(rc));
1201 cur->c_get(cur, &key, &data, DB_FIRST);
1203 /* Parse and print data */
1206 memcpy(&cnid, data.data, CNID_LEN);
1212 memcpy(&did, key.data, CNID_LEN);
1215 printf("id: %10u <== did: %10u, name: %s\n", cnid, did, (char *)key.data + CNID_LEN);
1218 rc = cur->c_get(cur, &key, &data, DB_NEXT);
1220 if (rc != DB_NOTFOUND) {
1221 LOG(log_error, logtype_cnid, "Error iterating over btree: %s", db_strerror(rc));
1225 rc = cur->c_close(cur);
1227 LOG(log_error, logtype_cnid, "Couldn't close cursor: %s", db_strerror(rc));
1230 printf("%u items\n", count);
1237 Iterates over dbd, returning cnids.
1238 Uses in-value of cnid to seek to that cnid, then gets next and return that in cnid.
1239 If close=1, close cursor.
1240 Return -1 on error, 0 on EOD (end-of-database), 1 if returning cnid.
1242 int dbif_idwalk(DBD *dbd, cnid_t *cnid, int close)
1248 static DBT key = { 0 }, data = { 0 };
1249 DB *db = dbd->db_table[DBIF_CNID].db;
1253 dbd->db_cur->close(dbd->db_cur);
1259 /* An dbif_del will have closed our cursor too */
1260 if ( ! dbd->db_cur ) {
1261 if ((rc = db->cursor(db, NULL, &dbd->db_cur, 0)) != 0) {
1262 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(rc));
1265 flag = DB_SET_RANGE; /* This will seek to next cnid after the one just deleted */
1268 key.size = sizeof(cnid_t);
1272 if ((rc = dbd->db_cur->get(dbd->db_cur, &key, &data, flag)) == 0) {
1273 memcpy(cnid, key.data, sizeof(cnid_t));
1274 *cnid = ntohl(*cnid);
1278 if (rc != DB_NOTFOUND) {
1279 LOG(log_error, logtype_cnid, "Error iterating over btree: %s", db_strerror(rc));
1280 dbd->db_cur->close(dbd->db_cur);
1286 dbd->db_cur->close(dbd->db_cur);