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)
108 if (dbif_txn_commit(dbd) != 1) {
109 LOG(log_error, logtype_cnid, "dbif_init_rootinfo: cant commit txn");
117 * Return CNID database version number
119 * Returns version in *version
121 * @returns -1 on error, 0 if theres no rootinfo key yet, 1 if *version is returned
123 static int dbif_getversion(DBD *dbd, uint32_t *version)
128 memset(&key, 0, sizeof(key));
129 memset(&data, 0, sizeof(data));
130 key.data = ROOTINFO_KEY;
131 key.size = ROOTINFO_KEYLEN;
133 switch (dbif_get(dbd, DBIF_CNID, &key, &data, 0)) {
135 memcpy(version, (char *)data.data + CNID_DID_OFS, sizeof(uint32_t));
136 *version = ntohl(*version);
137 LOG(log_debug, logtype_cnid, "CNID database version %u", *version);
140 case 0: /* not found */
152 * Set CNID database version number
154 * Initializes rootinfo key as neccessary
155 * @returns -1 on error, 0 on success
157 static int dbif_setversion(DBD *dbd, uint32_t version)
163 LOG(log_debug, logtype_cnid, "Setting CNID database version to %u", version);
168 memset(&key, 0, sizeof(key));
169 memset(&data, 0, sizeof(data));
170 key.data = ROOTINFO_KEY;
171 key.size = ROOTINFO_KEYLEN;
173 if ((ret = dbif_get(dbd, DBIF_CNID, &key, &data, 0)) == -1)
176 /* No rootinfo key yet, init it */
177 if (dbif_init_rootinfo(dbd, CNID_VERSION) != 0)
180 if (dbif_get(dbd, DBIF_CNID, &key, &data, 0) == -1)
183 memcpy((char *)data.data + CNID_DID_OFS, &v, sizeof(v));
184 data.size = ROOTINFO_DATALEN;
185 if (dbif_put(dbd, DBIF_CNID, &key, &data, 0) < 0)
192 * Upgrade CNID database versions
194 * For now this does nothing, as upgrading from ver. 0 to 1 is done in dbif_open
196 static int dbif_upgrade(DBD *dbd)
200 if (dbif_getversion(dbd, &version) == -1)
204 * Do upgrade stuff ...
207 /* Write current version to database */
208 if (version != CNID_VERSION) {
209 if (dbif_setversion(dbd, CNID_VERSION) != 0)
213 LOG(log_debug, logtype_cnid, "Finished CNID database version upgrade check");
218 /* --------------- */
219 static int dbif_openlog(DBD *dbd)
224 if ( ! dbd->db_filename)
229 if ((cwd = open(".", O_RDONLY)) < 0) {
230 LOG(log_error, logtype_cnid, "error opening cwd: %s", strerror(errno));
234 /* chdir to db_envhome */
235 if ((chdir(dbd->db_envhome)) != 0) {
236 LOG(log_error, logtype_cnid, "error chdiring to db_env '%s': %s", dbd->db_envhome, strerror(errno));
241 if ((dbd->db_errlog = fopen(DB_ERRLOGFILE, "a")) == NULL)
242 LOG(log_warning, logtype_cnid, "error creating/opening DB errlogfile: %s", strerror(errno));
244 if (dbd->db_errlog != NULL) {
245 dbd->db_env->set_errfile(dbd->db_env, dbd->db_errlog);
246 dbd->db_env->set_msgfile(dbd->db_env, dbd->db_errlog);
251 if ((fchdir(cwd)) != 0) {
252 LOG(log_error, logtype_cnid, "error chdiring back: %s", strerror(errno));
260 /* --------------- */
261 static int dbif_logautorem(DBD *dbd)
265 char **logfiles = NULL;
268 if ( ! dbd->db_filename)
273 if ((cwd = open(".", O_RDONLY)) < 0) {
274 LOG(log_error, logtype_cnid, "error opening cwd: %s", strerror(errno));
278 /* chdir to db_envhome */
279 if ((chdir(dbd->db_envhome)) != 0) {
280 LOG(log_error, logtype_cnid, "error chdiring to db_env '%s': %s", dbd->db_envhome, strerror(errno));
285 if ((ret = dbd->db_env->log_archive(dbd->db_env, &logfiles, 0)) != 0) {
286 LOG(log_error, logtype_cnid, "error getting list of stale logfiles: %s",
288 dbd->db_env->close(dbd->db_env, 0);
294 if (logfiles != NULL) {
295 for (file = logfiles; *file != NULL; file++) {
296 if (unlink(*file) < 0)
297 LOG(log_warning, logtype_cnid, "Error removing stale logfile %s: %s", *file, strerror(errno));
304 if ((fchdir(cwd)) != 0) {
305 LOG(log_error, logtype_cnid, "error chdiring back: %s", strerror(errno));
313 /* --------------- */
314 DBD *dbif_init(const char *envhome, const char *filename)
318 if ( NULL == (dbd = calloc(sizeof(DBD), 1)) )
321 /* filename == NULL means in memory db */
326 dbd->db_envhome = strdup(envhome);
327 if (NULL == dbd->db_envhome) {
332 dbd->db_filename = strdup(filename);
333 if (NULL == dbd->db_filename) {
334 free(dbd->db_envhome);
340 dbd->db_table[DBIF_CNID].name = "cnid2.db";
341 dbd->db_table[DBIF_IDX_DEVINO].name = "devino.db";
342 dbd->db_table[DBIF_IDX_DIDNAME].name = "didname.db";
343 dbd->db_table[DBIF_IDX_NAME].name = "name.db";
345 dbd->db_table[DBIF_CNID].type = DB_BTREE;
346 dbd->db_table[DBIF_IDX_DEVINO].type = DB_BTREE;
347 dbd->db_table[DBIF_IDX_DIDNAME].type = DB_BTREE;
348 dbd->db_table[DBIF_IDX_NAME].type = DB_BTREE;
350 dbd->db_table[DBIF_CNID].openflags = DB_CREATE;
351 dbd->db_table[DBIF_IDX_DEVINO].openflags = DB_CREATE;
352 dbd->db_table[DBIF_IDX_DIDNAME].openflags = DB_CREATE;
353 dbd->db_table[DBIF_IDX_NAME].openflags = DB_CREATE;
355 dbd->db_table[DBIF_IDX_NAME].flags = DB_DUPSORT;
361 We must open the db_env with an absolute pathname, as `dbd` keeps chdir'ing, which
362 breaks e.g. bdb logfile-rotation with relative pathnames.
363 But still we use relative paths with DB_ERRLOGFILE
364 in order to avoid creating absolute paths by copying. Both have no problem with
367 int dbif_env_open(DBD *dbd, struct db_param *dbp, uint32_t dbenv_oflags)
371 if ((ret = db_env_create(&dbd->db_env, 0))) {
372 LOG(log_error, logtype_cnid, "error creating DB environment: %s",
378 if ((dbif_openlog(dbd)) != 0)
381 if (dbenv_oflags & DB_RECOVER) {
383 LOG(log_debug, logtype_cnid, "Running recovery");
385 dbd->db_env->set_verbose(dbd->db_env, DB_VERB_RECOVERY, 1);
386 /* Open the database for recovery using DB_PRIVATE option which is faster */
387 if ((ret = dbd->db_env->open(dbd->db_env, dbd->db_envhome, dbenv_oflags | DB_PRIVATE, 0))) {
388 LOG(log_error, logtype_cnid, "error opening DB environment: %s",
390 dbd->db_env->close(dbd->db_env, 0);
394 dbenv_oflags = (dbenv_oflags & ~DB_RECOVER);
396 if (dbd->db_errlog != NULL)
397 fflush(dbd->db_errlog);
399 if ((ret = dbd->db_env->close(dbd->db_env, 0))) {
400 LOG(log_error, logtype_cnid, "error closing DB environment after recovery: %s",
405 dbd->db_errlog = NULL;
407 if ((ret = db_env_create(&dbd->db_env, 0))) {
408 LOG(log_error, logtype_cnid, "error creating DB environment after recovery: %s",
414 if ((dbif_openlog(dbd)) != 0)
417 LOG(log_debug, logtype_cnid, "Finished recovery.");
420 if ((ret = dbd->db_env->set_cachesize(dbd->db_env, 0, 1024 * dbp->cachesize, 0))) {
421 LOG(log_error, logtype_cnid, "error setting DB environment cachesize to %i: %s",
422 dbp->cachesize, db_strerror(ret));
423 dbd->db_env->close(dbd->db_env, 0);
428 if ((ret = dbd->db_env->set_lk_max_locks(dbd->db_env, dbp->maxlocks))) {
429 LOG(log_error, logtype_cnid, "error setting DB environment maxlocks to %i: %s",
430 10000, db_strerror(ret));
431 dbd->db_env->close(dbd->db_env, 0);
436 if ((ret = dbd->db_env->set_lk_max_objects(dbd->db_env, dbp->maxlockobjs))) {
437 LOG(log_error, logtype_cnid, "error setting DB environment max lockobjects to %i: %s",
438 10000, db_strerror(ret));
439 dbd->db_env->close(dbd->db_env, 0);
444 if ((ret = dbd->db_env->open(dbd->db_env, dbd->db_envhome, dbenv_oflags, 0))) {
445 LOG(log_error, logtype_cnid, "error opening DB environment after recovery: %s",
447 dbd->db_env->close(dbd->db_env, 0);
452 if ((ret = dbd->db_env->set_flags(dbd->db_env, DB_AUTO_COMMIT, 1))) {
453 LOG(log_error, logtype_cnid, "error setting DB_AUTO_COMMIT flag: %s",
455 dbd->db_env->close(dbd->db_env, 0);
460 if (dbp->logfile_autoremove) {
461 if ((dbif_logautorem(dbd)) != 0)
464 #if DB_VERSION_MAJOR > 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 7)
465 if ((ret = dbd->db_env->log_set_config(dbd->db_env, DB_LOG_AUTO_REMOVE, 1))) {
466 LOG(log_error, logtype_cnid, "error setting DB_LOG_AUTO_REMOVE flag: %s",
468 dbd->db_env->close(dbd->db_env, 0);
473 if ((ret = dbd->db_env->set_flags(dbd->db_env, DB_LOG_AUTOREMOVE, 1))) {
474 LOG(log_error, logtype_cnid, "error setting DB_LOG_AUTOREMOVE flag: %s",
476 dbd->db_env->close(dbd->db_env, 0);
486 /* --------------- */
487 int dbif_open(DBD *dbd, struct db_param *dbp, int reindex)
494 /* Try to upgrade if it's a normal on-disk database */
495 if (dbd->db_envhome) {
497 if ((cwd = open(".", O_RDONLY)) < 0) {
498 LOG(log_error, logtype_cnid, "error opening cwd: %s", strerror(errno));
502 /* chdir to db_envhome. makes it easier checking for old db files and creating db_errlog file */
503 if ((chdir(dbd->db_envhome)) != 0) {
504 LOG(log_error, logtype_cnid, "error chdiring to db_env '%s': %s", dbd->db_envhome, strerror(errno));
508 if ((stat(dbd->db_filename, &st)) == 0) {
509 LOG(log_debug, logtype_cnid, "See if we can upgrade the CNID database...");
510 if ((ret = db_create(&upgrade_db, dbd->db_env, 0))) {
511 LOG(log_error, logtype_cnid, "error creating handle for database: %s", db_strerror(ret));
514 if ((ret = upgrade_db->upgrade(upgrade_db, dbd->db_filename, 0))) {
515 LOG(log_error, logtype_cnid, "error upgarding database: %s", db_strerror(ret));
518 if ((ret = upgrade_db->close(upgrade_db, 0))) {
519 LOG(log_error, logtype_cnid, "error closing database: %s", db_strerror(ret));
522 if ((ret = dbd->db_env->txn_checkpoint(dbd->db_env, 0, 0, DB_FORCE))) {
523 LOG(log_error, logtype_cnid, "error forcing checkpoint: %s", db_strerror(ret));
526 LOG(log_debug, logtype_cnid, "Finished BerkeleyBD upgrade check");
529 if ((fchdir(cwd)) != 0) {
530 LOG(log_error, logtype_cnid, "error chdiring back: %s", strerror(errno));
535 /* Now open databases ... */
536 for (i = 0; i != DBIF_DB_CNT; i++) {
537 if ((ret = db_create(&dbd->db_table[i].db, dbd->db_env, 0))) {
538 LOG(log_error, logtype_cnid, "error creating handle for database %s: %s",
539 dbd->db_table[i].name, db_strerror(ret));
543 if (dbd->db_table[i].flags) {
544 if ((ret = dbd->db_table[i].db->set_flags(dbd->db_table[i].db,
545 dbd->db_table[i].flags))) {
546 LOG(log_error, logtype_cnid, "error setting flags for database %s: %s",
547 dbd->db_table[i].name, db_strerror(ret));
552 if ( ! dbd->db_env) { /* In memory db */
553 if ((ret = dbd->db_table[i].db->set_cachesize(dbd->db_table[i].db,
556 4)) /* split in 4 memory chunks */
558 LOG(log_error, logtype_cnid, "error setting cachesize %u KB for database %s: %s",
559 dbp->cachesize / 1024, dbd->db_table[i].name, db_strerror(ret));
564 if (dbd->db_table[i].db->open(dbd->db_table[i].db,
567 dbd->db_table[i].name,
568 dbd->db_table[i].type,
569 dbd->db_table[i].openflags,
571 LOG(log_error, logtype_cnid, "Cant open database");
575 if (reindex && i > 0) {
576 LOG(log_info, logtype_cnid, "Truncating CNID index.");
577 if ((ret = dbd->db_table[i].db->truncate(dbd->db_table[i].db, NULL, &count, 0))) {
578 LOG(log_error, logtype_cnid, "error truncating database %s: %s",
579 dbd->db_table[i].name, db_strerror(ret));
585 /* TODO: Implement CNID DB versioning info on new databases. */
587 /* Associate the secondary with the primary. */
589 LOG(log_info, logtype_cnid, "Reindexing did/name index...");
590 if ((ret = dbd->db_table[0].db->associate(dbd->db_table[DBIF_CNID].db,
592 dbd->db_table[DBIF_IDX_DIDNAME].db,
594 (reindex) ? DB_CREATE : 0))
596 LOG(log_error, logtype_cnid, "Failed to associate didname database: %s",db_strerror(ret));
600 LOG(log_info, logtype_cnid, "... done.");
603 LOG(log_info, logtype_cnid, "Reindexing dev/ino index...");
604 if ((ret = dbd->db_table[0].db->associate(dbd->db_table[0].db,
606 dbd->db_table[DBIF_IDX_DEVINO].db,
608 (reindex) ? DB_CREATE : 0))
610 LOG(log_error, logtype_cnid, "Failed to associate devino database: %s",db_strerror(ret));
614 LOG(log_info, logtype_cnid, "... done.");
617 LOG(log_info, logtype_cnid, "Reindexing name index...");
619 uint32_t version = CNID_VERSION;
620 if (dbd->db_envhome && !reindex) {
621 if (dbif_getversion(dbd, &version) == -1)
625 if ((ret = dbd->db_table[0].db->associate(dbd->db_table[0].db,
627 dbd->db_table[DBIF_IDX_NAME].db,
631 ((CNID_VERSION == CNID_VERSION_1) && (version == CNID_VERSION_0)))
632 ? DB_CREATE : 0)) != 0) {
633 LOG(log_error, logtype_cnid, "Failed to associate name index: %s", db_strerror(ret));
637 LOG(log_info, logtype_cnid, "... done.");
639 if ((dbd->db_envhome) && ((ret = dbif_upgrade(dbd)) != 0)) {
640 LOG(log_error, logtype_cnid, "Error upgrading CNID database to version %d", CNID_VERSION);
647 /* ------------------------ */
648 static int dbif_closedb(DBD *dbd)
654 for (i = DBIF_DB_CNT -1; i >= 0; i--) {
655 if (dbd->db_table[i].db != NULL && (ret = dbd->db_table[i].db->close(dbd->db_table[i].db, 0))) {
656 LOG(log_error, logtype_cnid, "error closing database %s: %s", dbd->db_table[i].name, db_strerror(ret));
665 /* ------------------------ */
666 int dbif_close(DBD *dbd)
671 if (dbif_closedb(dbd))
674 if (dbd->db_env != NULL && (ret = dbd->db_env->close(dbd->db_env, 0))) {
675 LOG(log_error, logtype_cnid, "error closing DB environment: %s", db_strerror(ret));
678 if (dbd->db_errlog != NULL && fclose(dbd->db_errlog) == EOF) {
679 LOG(log_error, logtype_cnid, "error closing DB logfile: %s", strerror(errno));
683 free(dbd->db_filename);
693 In order to support silent database upgrades:
694 destroy env at cnid_dbd shutdown.
696 int dbif_env_remove(const char *path)
701 LOG(log_debug, logtype_cnid, "Reopening BerkeleyDB environment");
703 if (NULL == (dbd = dbif_init(path, "cnid2.db")))
706 /* Get db_env handle */
707 if ((ret = db_env_create(&dbd->db_env, 0))) {
708 LOG(log_error, logtype_cnid, "error creating DB environment: %s", db_strerror(ret));
713 if ((dbif_openlog(dbd)) != 0)
716 /* Open environment with recovery */
717 if ((ret = dbd->db_env->open(dbd->db_env,
719 DB_CREATE | DB_INIT_LOG | DB_INIT_MPOOL | DB_INIT_LOCK | DB_INIT_TXN | DB_RECOVER | DB_PRIVATE,
721 LOG(log_error, logtype_cnid, "error opening DB environment: %s",
723 dbd->db_env->close(dbd->db_env, 0);
728 if (dbd->db_errlog != NULL)
729 fflush(dbd->db_errlog);
731 /* Remove logfiles */
732 if ((ret = dbd->db_env->log_archive(dbd->db_env, NULL, DB_ARCH_REMOVE))) {
733 LOG(log_error, logtype_cnid, "error removing transaction logfiles: %s", db_strerror(ret));
737 if ((ret = dbd->db_env->close(dbd->db_env, 0))) {
738 LOG(log_error, logtype_cnid, "error closing DB environment after recovery: %s", db_strerror(ret));
743 LOG(log_debug, logtype_cnid, "BerkeleyDB environment recovery done.");
745 /* Get a new db_env handle and then remove environment */
746 if ((ret = db_env_create(&dbd->db_env, 0))) {
747 LOG(log_error, logtype_cnid, "error acquiring db_end handle: %s", db_strerror(ret));
751 if ((ret = dbd->db_env->remove(dbd->db_env, dbd->db_envhome, 0))) {
752 LOG(log_error, logtype_cnid, "error removing BerkeleyDB environment: %s", db_strerror(ret));
756 LOG(log_debug, logtype_cnid, "Removed BerkeleyDB environment.");
762 * The following three functions are wrappers for DB->get(), DB->put() and DB->del().
763 * All three return -1 on error. dbif_get()/dbif_del return 1 if the key was found and 0
764 * otherwise. dbif_put() returns 0 if key/val was successfully updated and 1 if
765 * the DB_NOOVERWRITE flag was specified and the key already exists.
767 * All return codes other than DB_NOTFOUND and DB_KEYEXIST from the DB->()
768 * functions are not expected and therefore error conditions.
771 int dbif_get(DBD *dbd, const int dbi, DBT *key, DBT *val, u_int32_t flags)
775 ret = dbd->db_table[dbi].db->get(dbd->db_table[dbi].db,
781 if (ret == DB_NOTFOUND)
784 LOG(log_error, logtype_cnid, "error retrieving value from %s: %s",
785 dbd->db_table[dbi].name, db_strerror(ret));
791 /* search by secondary return primary */
792 int dbif_pget(DBD *dbd, const int dbi, DBT *key, DBT *pkey, DBT *val, u_int32_t flags)
796 ret = dbd->db_table[dbi].db->pget(dbd->db_table[dbi].db,
803 if (ret == DB_NOTFOUND || ret == DB_SECONDARY_BAD) {
807 LOG(log_error, logtype_cnid, "error retrieving value from %s: %s",
808 dbd->db_table[dbi].name, db_strerror(ret));
814 /* -------------------------- */
815 int dbif_put(DBD *dbd, const int dbi, DBT *key, DBT *val, u_int32_t flags)
819 if (dbif_txn_begin(dbd) < 0) {
820 LOG(log_error, logtype_cnid, "error setting key/value in %s", dbd->db_table[dbi].name);
824 ret = dbd->db_table[dbi].db->put(dbd->db_table[dbi].db,
832 if ((flags & DB_NOOVERWRITE) && ret == DB_KEYEXIST) {
835 LOG(log_error, logtype_cnid, "error setting key/value in %s: %s",
836 dbd->db_table[dbi].name, db_strerror(ret));
843 int dbif_del(DBD *dbd, const int dbi, DBT *key, u_int32_t flags)
847 /* For cooperation with the dbd utility and its usage of a cursor */
849 dbd->db_cur->close(dbd->db_cur);
853 if (dbif_txn_begin(dbd) < 0) {
854 LOG(log_error, logtype_cnid, "error deleting key/value from %s", dbd->db_table[dbi].name);
858 ret = dbd->db_table[dbi].db->del(dbd->db_table[dbi].db,
863 if (ret == DB_NOTFOUND) {
864 LOG(log_info, logtype_cnid, "key not found");
868 LOG(log_error, logtype_cnid, "error deleting key/value from %s: %s",
869 dbd->db_table[dbi].name, db_strerror(ret));
876 * Search the database by name
878 * @param resbuf (w) buffer for search results CNIDs, maxsize is assumed to be
879 * DBD_MAX_SRCH_RSLTS * sizefof(cnid_t)
881 * @returns -1 on error, 0 when nothing found, else the number of matches
883 int dbif_search(DBD *dbd, DBT *key, char *resbuf)
889 char *cnids = resbuf;
891 char *namebkp = key->data;
892 int namelenbkp = key->size;
894 memset(&pkey, 0, sizeof(DBT));
895 memset(&data, 0, sizeof(DBT));
898 ret = dbd->db_table[DBIF_IDX_NAME].db->cursor(dbd->db_table[DBIF_IDX_NAME].db,
903 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(ret));
908 ret = cursorp->pget(cursorp, key, &pkey, &data, DB_SET_RANGE);
909 while (count < DBD_MAX_SRCH_RSLTS && ret != DB_NOTFOUND) {
910 if (!((namelenbkp <= key->size) && (strncmp(namebkp, key->data, namelenbkp) == 0)))
913 memcpy(cnids, pkey.data, sizeof(cnid_t));
914 memcpy(&cnid, pkey.data, sizeof(cnid_t));
915 cnids += sizeof(cnid_t);
916 LOG(log_debug, logtype_cnid, "match: CNID %" PRIu32, ntohl(cnid));
918 ret = cursorp->pget(cursorp, key, &pkey, &data, DB_NEXT);
925 cursorp->close(cursorp);
929 int dbif_txn_begin(DBD *dbd)
933 /* If we already have an active txn, just return */
937 /* If our DBD has no env, just return (-> in memory db) */
938 if (dbd->db_env == NULL)
941 ret = dbd->db_env->txn_begin(dbd->db_env, NULL, &dbd->db_txn, 0);
944 LOG(log_error, logtype_cnid, "error starting transaction: %s", db_strerror(ret));
950 int dbif_txn_commit(DBD *dbd)
957 /* If our DBD has no env, just return (-> in memory db) */
958 if (dbd->db_env == NULL)
961 ret = dbd->db_txn->commit(dbd->db_txn, 0);
965 LOG(log_error, logtype_cnid, "error committing transaction: %s", db_strerror(ret));
971 int dbif_txn_abort(DBD *dbd)
978 /* If our DBD has no env, just return (-> in memory db) */
979 if (dbd->db_env == NULL)
982 ret = dbd->db_txn->abort(dbd->db_txn);
986 LOG(log_error, logtype_cnid, "error aborting transaction: %s", db_strerror(ret));
993 ret = 1 -> commit txn
994 ret = 0 -> abort txn -> exit!
995 anything else -> exit!
997 void dbif_txn_close(DBD *dbd, int ret)
1000 if (dbif_txn_abort(dbd) < 0) {
1001 LOG( log_error, logtype_cnid, "Fatal error aborting transaction. Exiting!");
1004 } else if (ret == 1) {
1005 ret = dbif_txn_commit(dbd);
1007 LOG( log_error, logtype_cnid, "Fatal error committing transaction. Exiting!");
1014 int dbif_txn_checkpoint(DBD *dbd, u_int32_t kbyte, u_int32_t min, u_int32_t flags)
1017 ret = dbd->db_env->txn_checkpoint(dbd->db_env, kbyte, min, flags);
1019 LOG(log_error, logtype_cnid, "error checkpointing transaction susystem: %s", db_strerror(ret));
1025 int dbif_count(DBD *dbd, const int dbi, u_int32_t *count)
1029 DB *db = dbd->db_table[dbi].db;
1031 ret = db->stat(db, NULL, &sp, 0);
1034 LOG(log_error, logtype_cnid, "error getting stat infotmation on database: %s", db_strerror(ret));
1038 *count = sp->bt_ndata;
1044 int dbif_copy_rootinfokey(DBD *srcdbd, DBD *destdbd)
1049 memset(&key, 0, sizeof(key));
1050 memset(&data, 0, sizeof(data));
1052 key.data = ROOTINFO_KEY;
1053 key.size = ROOTINFO_KEYLEN;
1055 if ((rc = dbif_get(srcdbd, DBIF_CNID, &key, &data, 0)) <= 0) {
1056 LOG(log_error, logtype_cnid, "dbif_copy_rootinfokey: Error getting rootinfo record");
1060 memset(&key, 0, sizeof(key));
1061 key.data = ROOTINFO_KEY;
1062 key.size = ROOTINFO_KEYLEN;
1064 if ((rc = dbif_put(destdbd, DBIF_CNID, &key, &data, 0))) {
1065 LOG(log_error, logtype_cnid, "dbif_copy_rootinfokey: Error writing rootinfo key");
1072 int dbif_dump(DBD *dbd, int dumpindexes)
1075 uint32_t max = 0, count = 0, cnid, type, did, lastid, version;
1079 DBT key = { 0 }, data = { 0 };
1080 DB *db = dbd->db_table[DBIF_CNID].db;
1081 char *typestring[2] = {"f", "d"};
1084 printf("CNID database dump:\n");
1086 rc = db->cursor(db, NULL, &cur, 0);
1088 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(rc));
1092 cur->c_get(cur, &key, &data, DB_FIRST);
1094 /* Parse and print data */
1095 memcpy(&cnid, key.data, 4);
1100 /* Rootinfo node ? */
1102 memcpy(&stamp, (char *)data.data + CNID_DEV_OFS, sizeof(time_t));
1103 memcpy(&lastid, (char *)data.data + CNID_TYPE_OFS, CNID_TYPE_LEN);
1104 lastid = ntohl(lastid);
1105 memcpy(&version, (char *)data.data + CNID_DID_OFS, CNID_DID_LEN);
1106 version = ntohl(version);
1108 strftime(timebuf, sizeof(timebuf), "%b %d %Y %H:%M:%S", localtime(&stamp));
1109 printf("CNID db version: %u, dbd stamp: 0x%08x (%s), next free CNID: %u\n",
1110 version, (unsigned int)stamp, timebuf, lastid + 1);
1113 memcpy(&dev, (char *)data.data + CNID_DEV_OFS, 8);
1116 memcpy(&ino, (char *)data.data + CNID_INO_OFS, 8);
1119 memcpy(&type, (char *)data.data + CNID_TYPE_OFS, 4);
1122 memcpy(&did, (char *)data.data + CNID_DID_OFS, 4);
1126 printf("id: %10u, did: %10u, type: %s, dev: 0x%llx, ino: 0x%016llx, name: %s\n",
1127 cnid, did, typestring[type],
1128 (long long unsigned int)dev, (long long unsigned int)ino,
1129 (char *)data.data + CNID_NAME_OFS);
1133 rc = cur->c_get(cur, &key, &data, DB_NEXT);
1136 if (rc != DB_NOTFOUND) {
1137 LOG(log_error, logtype_cnid, "Error iterating over btree: %s", db_strerror(rc));
1141 rc = cur->c_close(cur);
1143 LOG(log_error, logtype_cnid, "Couldn't close cursor: %s", db_strerror(rc));
1146 printf("%u CNIDs in database. Max CNID: %u.\n", count, max);
1148 /* Dump indexes too ? */
1150 /* DBIF_IDX_DEVINO */
1151 printf("\ndev/inode index:\n");
1153 db = dbd->db_table[DBIF_IDX_DEVINO].db;
1154 rc = db->cursor(db, NULL, &cur, 0);
1156 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(rc));
1160 cur->c_get(cur, &key, &data, DB_FIRST);
1162 /* Parse and print data */
1165 memcpy(&cnid, data.data, CNID_LEN);
1171 memcpy(&dev, key.data, CNID_DEV_LEN);
1174 memcpy(&ino, (char *)key.data + CNID_DEV_LEN, CNID_INO_LEN);
1177 printf("id: %10u <== dev: 0x%llx, ino: 0x%016llx\n",
1178 cnid, (unsigned long long int)dev, (unsigned long long int)ino);
1181 rc = cur->c_get(cur, &key, &data, DB_NEXT);
1183 if (rc != DB_NOTFOUND) {
1184 LOG(log_error, logtype_cnid, "Error iterating over btree: %s", db_strerror(rc));
1188 rc = cur->c_close(cur);
1190 LOG(log_error, logtype_cnid, "Couldn't close cursor: %s", db_strerror(rc));
1193 printf("%u items\n", count);
1195 /* Now dump DBIF_IDX_DIDNAME */
1196 printf("\ndid/name index:\n");
1198 db = dbd->db_table[DBIF_IDX_DIDNAME].db;
1199 rc = db->cursor(db, NULL, &cur, 0);
1201 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(rc));
1205 cur->c_get(cur, &key, &data, DB_FIRST);
1207 /* Parse and print data */
1210 memcpy(&cnid, data.data, CNID_LEN);
1216 memcpy(&did, key.data, CNID_LEN);
1219 printf("id: %10u <== did: %10u, name: %s\n", cnid, did, (char *)key.data + CNID_LEN);
1222 rc = cur->c_get(cur, &key, &data, DB_NEXT);
1224 if (rc != DB_NOTFOUND) {
1225 LOG(log_error, logtype_cnid, "Error iterating over btree: %s", db_strerror(rc));
1229 rc = cur->c_close(cur);
1231 LOG(log_error, logtype_cnid, "Couldn't close cursor: %s", db_strerror(rc));
1234 printf("%u items\n", count);
1241 Iterates over dbd, returning cnids.
1242 Uses in-value of cnid to seek to that cnid, then gets next and return that in cnid.
1243 If close=1, close cursor.
1244 Return -1 on error, 0 on EOD (end-of-database), 1 if returning cnid.
1246 int dbif_idwalk(DBD *dbd, cnid_t *cnid, int close)
1252 static DBT key = { 0 }, data = { 0 };
1253 DB *db = dbd->db_table[DBIF_CNID].db;
1257 dbd->db_cur->close(dbd->db_cur);
1263 /* An dbif_del will have closed our cursor too */
1264 if ( ! dbd->db_cur ) {
1265 if ((rc = db->cursor(db, NULL, &dbd->db_cur, 0)) != 0) {
1266 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(rc));
1269 flag = DB_SET_RANGE; /* This will seek to next cnid after the one just deleted */
1272 key.size = sizeof(cnid_t);
1276 if ((rc = dbd->db_cur->get(dbd->db_cur, &key, &data, flag)) == 0) {
1277 memcpy(cnid, key.data, sizeof(cnid_t));
1278 *cnid = ntohl(*cnid);
1282 if (rc != DB_NOTFOUND) {
1283 LOG(log_error, logtype_cnid, "Error iterating over btree: %s", db_strerror(rc));
1284 dbd->db_cur->close(dbd->db_cur);
1290 dbd->db_cur->close(dbd->db_cur);