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 static int dbif_openlog(DBD *dbd)
86 if ( ! dbd->db_filename)
91 if ((cwd = open(".", O_RDONLY)) < 0) {
92 LOG(log_error, logtype_cnid, "error opening cwd: %s", strerror(errno));
96 /* chdir to db_envhome */
97 if ((chdir(dbd->db_envhome)) != 0) {
98 LOG(log_error, logtype_cnid, "error chdiring to db_env '%s': %s", dbd->db_envhome, strerror(errno));
103 if ((dbd->db_errlog = fopen(DB_ERRLOGFILE, "a")) == NULL)
104 LOG(log_warning, logtype_cnid, "error creating/opening DB errlogfile: %s", strerror(errno));
106 if (dbd->db_errlog != NULL) {
107 dbd->db_env->set_errfile(dbd->db_env, dbd->db_errlog);
108 dbd->db_env->set_msgfile(dbd->db_env, dbd->db_errlog);
113 if ((fchdir(cwd)) != 0) {
114 LOG(log_error, logtype_cnid, "error chdiring back: %s", strerror(errno));
122 /* --------------- */
123 static int dbif_logautorem(DBD *dbd)
127 char **logfiles = NULL;
130 if ( ! dbd->db_filename)
135 if ((cwd = open(".", O_RDONLY)) < 0) {
136 LOG(log_error, logtype_cnid, "error opening cwd: %s", strerror(errno));
140 /* chdir to db_envhome */
141 if ((chdir(dbd->db_envhome)) != 0) {
142 LOG(log_error, logtype_cnid, "error chdiring to db_env '%s': %s", dbd->db_envhome, strerror(errno));
147 if ((ret = dbd->db_env->log_archive(dbd->db_env, &logfiles, 0)) != 0) {
148 LOG(log_error, logtype_cnid, "error getting list of stale logfiles: %s",
150 dbd->db_env->close(dbd->db_env, 0);
156 if (logfiles != NULL) {
157 for (file = logfiles; *file != NULL; file++) {
158 if (unlink(*file) < 0)
159 LOG(log_warning, logtype_cnid, "Error removing stale logfile %s: %s", *file, strerror(errno));
166 if ((fchdir(cwd)) != 0) {
167 LOG(log_error, logtype_cnid, "error chdiring back: %s", strerror(errno));
175 /* --------------- */
176 int dbif_stamp(DBD *dbd, void *buffer, int size)
185 if ((cwd = open(".", O_RDONLY)) < 0) {
186 LOG(log_error, logtype_cnid, "error opening cwd: %s", strerror(errno));
190 /* chdir to db_envhome */
191 if ((chdir(dbd->db_envhome)) != 0) {
192 LOG(log_error, logtype_cnid, "error chdiring to db_env '%s': %s", dbd->db_envhome, strerror(errno));
196 if ((rc = stat(dbd->db_table[DBIF_CNID].name, &st)) < 0) {
197 LOG(log_error, logtype_cnid, "error stating database %s: %s", dbd->db_table[DBIF_CNID].name, db_strerror(errno));
200 memset(buffer, 0, size);
201 memcpy(buffer, &st.st_ctime, sizeof(st.st_ctime));
203 if ((fchdir(cwd)) != 0) {
204 LOG(log_error, logtype_cnid, "error chdiring back: %s", strerror(errno));
211 /* --------------- */
212 DBD *dbif_init(const char *envhome, const char *filename)
216 if ( NULL == (dbd = calloc(sizeof(DBD), 1)) )
219 /* filename == NULL means in memory db */
224 dbd->db_envhome = strdup(envhome);
225 if (NULL == dbd->db_envhome) {
230 dbd->db_filename = strdup(filename);
231 if (NULL == dbd->db_filename) {
232 free(dbd->db_envhome);
238 dbd->db_table[DBIF_CNID].name = "cnid2.db";
239 dbd->db_table[DBIF_IDX_DEVINO].name = "devino.db";
240 dbd->db_table[DBIF_IDX_DIDNAME].name = "didname.db";
241 dbd->db_table[DBIF_IDX_NAME].name = "name.db";
243 dbd->db_table[DBIF_CNID].type = DB_BTREE;
244 dbd->db_table[DBIF_IDX_DEVINO].type = DB_BTREE;
245 dbd->db_table[DBIF_IDX_DIDNAME].type = DB_BTREE;
246 dbd->db_table[DBIF_IDX_NAME].type = DB_BTREE;
248 dbd->db_table[DBIF_CNID].openflags = DB_CREATE;
249 dbd->db_table[DBIF_IDX_DEVINO].openflags = DB_CREATE;
250 dbd->db_table[DBIF_IDX_DIDNAME].openflags = DB_CREATE;
251 dbd->db_table[DBIF_IDX_NAME].openflags = DB_CREATE;
253 dbd->db_table[DBIF_IDX_NAME].flags = DB_DUPSORT;
259 We must open the db_env with an absolute pathname, as `dbd` keeps chdir'ing, which
260 breaks e.g. bdb logfile-rotation with relative pathnames.
261 But still we use relative paths with upgrade_required() and the DB_ERRLOGFILE
262 in order to avoid creating absolute paths by copying. Both have no problem with
265 int dbif_env_open(DBD *dbd, struct db_param *dbp, uint32_t dbenv_oflags)
269 /* Refuse to do anything if this is an old version of the CNID database */
270 if (upgrade_required(dbd)) {
271 LOG(log_error, logtype_cnid, "Found version 1 of the CNID database. Please upgrade to version 2");
275 if ((ret = db_env_create(&dbd->db_env, 0))) {
276 LOG(log_error, logtype_cnid, "error creating DB environment: %s",
282 if ((dbif_openlog(dbd)) != 0)
285 if (dbenv_oflags & DB_RECOVER) {
287 LOG(log_debug, logtype_cnid, "Running recovery");
289 dbd->db_env->set_verbose(dbd->db_env, DB_VERB_RECOVERY, 1);
290 /* Open the database for recovery using DB_PRIVATE option which is faster */
291 if ((ret = dbd->db_env->open(dbd->db_env, dbd->db_envhome, dbenv_oflags | DB_PRIVATE, 0))) {
292 LOG(log_error, logtype_cnid, "error opening DB environment: %s",
294 dbd->db_env->close(dbd->db_env, 0);
298 dbenv_oflags = (dbenv_oflags & ~DB_RECOVER);
300 if (dbd->db_errlog != NULL)
301 fflush(dbd->db_errlog);
303 if ((ret = dbd->db_env->close(dbd->db_env, 0))) {
304 LOG(log_error, logtype_cnid, "error closing DB environment after recovery: %s",
309 dbd->db_errlog = NULL;
311 if ((ret = db_env_create(&dbd->db_env, 0))) {
312 LOG(log_error, logtype_cnid, "error creating DB environment after recovery: %s",
318 if ((dbif_openlog(dbd)) != 0)
321 LOG(log_debug, logtype_cnid, "Finished recovery.");
324 if ((ret = dbd->db_env->set_cachesize(dbd->db_env, 0, 1024 * dbp->cachesize, 0))) {
325 LOG(log_error, logtype_cnid, "error setting DB environment cachesize to %i: %s",
326 dbp->cachesize, db_strerror(ret));
327 dbd->db_env->close(dbd->db_env, 0);
332 if ((ret = dbd->db_env->open(dbd->db_env, dbd->db_envhome, dbenv_oflags, 0))) {
333 LOG(log_error, logtype_cnid, "error opening DB environment after recovery: %s",
335 dbd->db_env->close(dbd->db_env, 0);
340 if ((ret = dbd->db_env->set_flags(dbd->db_env, DB_AUTO_COMMIT, 1))) {
341 LOG(log_error, logtype_cnid, "error setting DB_AUTO_COMMIT flag: %s",
343 dbd->db_env->close(dbd->db_env, 0);
348 if (dbp->logfile_autoremove) {
349 if ((dbif_logautorem(dbd)) != 0)
352 #if DB_VERSION_MAJOR > 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 7)
353 if ((ret = dbd->db_env->log_set_config(dbd->db_env, DB_LOG_AUTO_REMOVE, 1))) {
354 LOG(log_error, logtype_cnid, "error setting DB_LOG_AUTO_REMOVE flag: %s",
356 dbd->db_env->close(dbd->db_env, 0);
361 if ((ret = dbd->db_env->set_flags(dbd->db_env, DB_LOG_AUTOREMOVE, 1))) {
362 LOG(log_error, logtype_cnid, "error setting DB_LOG_AUTOREMOVE flag: %s",
364 dbd->db_env->close(dbd->db_env, 0);
374 /* --------------- */
375 int dbif_open(DBD *dbd, struct db_param *dbp, int reindex)
382 /* Try to upgrade if it's a normal on-disk database */
383 if (dbd->db_envhome) {
385 if ((cwd = open(".", O_RDONLY)) < 0) {
386 LOG(log_error, logtype_cnid, "error opening cwd: %s", strerror(errno));
390 /* chdir to db_envhome. makes it easier checking for old db files and creating db_errlog file */
391 if ((chdir(dbd->db_envhome)) != 0) {
392 LOG(log_error, logtype_cnid, "error chdiring to db_env '%s': %s", dbd->db_envhome, strerror(errno));
396 if ((stat(dbd->db_filename, &st)) == 0) {
397 LOG(log_debug, logtype_cnid, "See if we can upgrade the CNID database...");
398 if ((ret = db_create(&upgrade_db, dbd->db_env, 0))) {
399 LOG(log_error, logtype_cnid, "error creating handle for database: %s", db_strerror(ret));
402 if ((ret = upgrade_db->upgrade(upgrade_db, dbd->db_filename, 0))) {
403 LOG(log_error, logtype_cnid, "error upgarding database: %s", db_strerror(ret));
406 if ((ret = upgrade_db->close(upgrade_db, 0))) {
407 LOG(log_error, logtype_cnid, "error closing database: %s", db_strerror(ret));
410 if ((ret = dbd->db_env->txn_checkpoint(dbd->db_env, 0, 0, DB_FORCE))) {
411 LOG(log_error, logtype_cnid, "error forcing checkpoint: %s", db_strerror(ret));
414 LOG(log_debug, logtype_cnid, "Finished CNID database upgrade check");
417 if ((fchdir(cwd)) != 0) {
418 LOG(log_error, logtype_cnid, "error chdiring back: %s", strerror(errno));
423 /* Now open databases ... */
424 for (i = 0; i != DBIF_DB_CNT; i++) {
425 if ((ret = db_create(&dbd->db_table[i].db, dbd->db_env, 0))) {
426 LOG(log_error, logtype_cnid, "error creating handle for database %s: %s",
427 dbd->db_table[i].name, db_strerror(ret));
431 if (dbd->db_table[i].flags) {
432 if ((ret = dbd->db_table[i].db->set_flags(dbd->db_table[i].db,
433 dbd->db_table[i].flags))) {
434 LOG(log_error, logtype_cnid, "error setting flags for database %s: %s",
435 dbd->db_table[i].name, db_strerror(ret));
440 if ( ! dbd->db_env) { /* In memory db */
441 if ((ret = dbd->db_table[i].db->set_cachesize(dbd->db_table[i].db,
444 4)) /* split in 4 memory chunks */
446 LOG(log_error, logtype_cnid, "error setting cachesize %u KB for database %s: %s",
447 dbp->cachesize / 1024, dbd->db_table[i].name, db_strerror(ret));
452 if (dbd->db_table[i].db->open(dbd->db_table[i].db,
455 dbd->db_table[i].name,
456 dbd->db_table[i].type,
457 dbd->db_table[i].openflags,
459 LOG(log_error, logtype_cnid, "Cant open database");
463 if (reindex && i > 0) {
464 LOG(log_info, logtype_cnid, "Truncating CNID index.");
465 if ((ret = dbd->db_table[i].db->truncate(dbd->db_table[i].db, NULL, &count, 0))) {
466 LOG(log_error, logtype_cnid, "error truncating database %s: %s",
467 dbd->db_table[i].name, db_strerror(ret));
473 /* TODO: Implement CNID DB versioning info on new databases. */
475 /* Associate the secondary with the primary. */
477 LOG(log_info, logtype_cnid, "Reindexing did/name index...");
478 if ((ret = dbd->db_table[0].db->associate(dbd->db_table[DBIF_CNID].db,
480 dbd->db_table[DBIF_IDX_DIDNAME].db,
482 (reindex) ? DB_CREATE : 0))
484 LOG(log_error, logtype_cnid, "Failed to associate didname database: %s",db_strerror(ret));
488 LOG(log_info, logtype_cnid, "... done.");
491 LOG(log_info, logtype_cnid, "Reindexing dev/ino index...");
492 if ((ret = dbd->db_table[0].db->associate(dbd->db_table[0].db,
494 dbd->db_table[DBIF_IDX_DEVINO].db,
496 (reindex) ? DB_CREATE : 0))
498 LOG(log_error, logtype_cnid, "Failed to associate devino database: %s",db_strerror(ret));
502 LOG(log_info, logtype_cnid, "... done.");
505 LOG(log_info, logtype_cnid, "Reindexing name index...");
506 if ((ret = dbd->db_table[0].db->associate(dbd->db_table[0].db,
508 dbd->db_table[DBIF_IDX_NAME].db,
512 LOG(log_error, logtype_cnid, "Failed to associate name index: %s",db_strerror(ret));
516 LOG(log_info, logtype_cnid, "... done.");
521 /* ------------------------ */
522 static int dbif_closedb(DBD *dbd)
528 for (i = DBIF_DB_CNT -1; i >= 0; i--) {
529 if (dbd->db_table[i].db != NULL && (ret = dbd->db_table[i].db->close(dbd->db_table[i].db, 0))) {
530 LOG(log_error, logtype_cnid, "error closing database %s: %s", dbd->db_table[i].name, db_strerror(ret));
539 /* ------------------------ */
540 int dbif_close(DBD *dbd)
545 if (dbif_closedb(dbd))
548 if (dbd->db_env != NULL && (ret = dbd->db_env->close(dbd->db_env, 0))) {
549 LOG(log_error, logtype_cnid, "error closing DB environment: %s", db_strerror(ret));
552 if (dbd->db_errlog != NULL && fclose(dbd->db_errlog) == EOF) {
553 LOG(log_error, logtype_cnid, "error closing DB logfile: %s", strerror(errno));
557 free(dbd->db_filename);
567 In order to support silent database upgrades:
568 destroy env at cnid_dbd shutdown.
570 int dbif_prep_upgrade(const char *path)
575 LOG(log_debug, logtype_cnid, "Reopening BerkeleyDB environment");
577 if (NULL == (dbd = dbif_init(path, "cnid2.db")))
580 /* Get db_env handle */
581 if ((ret = db_env_create(&dbd->db_env, 0))) {
582 LOG(log_error, logtype_cnid, "error creating DB environment: %s", db_strerror(ret));
587 if ((dbif_openlog(dbd)) != 0)
590 /* Open environment with recovery */
591 if ((ret = dbd->db_env->open(dbd->db_env,
593 DB_CREATE | DB_INIT_LOG | DB_INIT_MPOOL | DB_INIT_LOCK | DB_INIT_TXN | DB_RECOVER | DB_PRIVATE,
595 LOG(log_error, logtype_cnid, "error opening DB environment: %s",
597 dbd->db_env->close(dbd->db_env, 0);
602 if (dbd->db_errlog != NULL)
603 fflush(dbd->db_errlog);
605 /* Remove logfiles */
606 if ((ret = dbd->db_env->log_archive(dbd->db_env, NULL, DB_ARCH_REMOVE))) {
607 LOG(log_error, logtype_cnid, "error removing transaction logfiles: %s", db_strerror(ret));
611 if ((ret = dbd->db_env->close(dbd->db_env, 0))) {
612 LOG(log_error, logtype_cnid, "error closing DB environment after recovery: %s", db_strerror(ret));
617 LOG(log_debug, logtype_cnid, "BerkeleyDB environment recovery done.");
619 /* Get a new db_env handle and then remove environment */
620 if ((ret = db_env_create(&dbd->db_env, 0))) {
621 LOG(log_error, logtype_cnid, "error acquiring db_end handle: %s", db_strerror(ret));
625 if ((ret = dbd->db_env->remove(dbd->db_env, dbd->db_envhome, 0))) {
626 LOG(log_error, logtype_cnid, "error removing BerkeleyDB environment: %s", db_strerror(ret));
630 LOG(log_debug, logtype_cnid, "Removed BerkeleyDB environment.");
636 * The following three functions are wrappers for DB->get(), DB->put() and DB->del().
637 * All three return -1 on error. dbif_get()/dbif_del return 1 if the key was found and 0
638 * otherwise. dbif_put() returns 0 if key/val was successfully updated and 1 if
639 * the DB_NOOVERWRITE flag was specified and the key already exists.
641 * All return codes other than DB_NOTFOUND and DB_KEYEXIST from the DB->()
642 * functions are not expected and therefore error conditions.
645 int dbif_get(DBD *dbd, const int dbi, DBT *key, DBT *val, u_int32_t flags)
649 ret = dbd->db_table[dbi].db->get(dbd->db_table[dbi].db,
655 if (ret == DB_NOTFOUND)
658 LOG(log_error, logtype_cnid, "error retrieving value from %s: %s",
659 dbd->db_table[dbi].name, db_strerror(ret));
665 /* search by secondary return primary */
666 int dbif_pget(DBD *dbd, const int dbi, DBT *key, DBT *pkey, DBT *val, u_int32_t flags)
670 ret = dbd->db_table[dbi].db->pget(dbd->db_table[dbi].db,
677 if (ret == DB_NOTFOUND || ret == DB_SECONDARY_BAD) {
681 LOG(log_error, logtype_cnid, "error retrieving value from %s: %s",
682 dbd->db_table[dbi].name, db_strerror(ret));
688 /* -------------------------- */
689 int dbif_put(DBD *dbd, const int dbi, DBT *key, DBT *val, u_int32_t flags)
693 if (dbif_txn_begin(dbd) < 0) {
694 LOG(log_error, logtype_cnid, "error setting key/value in %s", dbd->db_table[dbi].name);
698 ret = dbd->db_table[dbi].db->put(dbd->db_table[dbi].db,
706 if ((flags & DB_NOOVERWRITE) && ret == DB_KEYEXIST) {
709 LOG(log_error, logtype_cnid, "error setting key/value in %s: %s",
710 dbd->db_table[dbi].name, db_strerror(ret));
717 int dbif_del(DBD *dbd, const int dbi, DBT *key, u_int32_t flags)
721 /* For cooperation with the dbd utility and its usage of a cursor */
723 dbd->db_cur->close(dbd->db_cur);
727 if (dbif_txn_begin(dbd) < 0) {
728 LOG(log_error, logtype_cnid, "error deleting key/value from %s", dbd->db_table[dbi].name);
732 ret = dbd->db_table[dbi].db->del(dbd->db_table[dbi].db,
737 if (ret == DB_NOTFOUND || ret == DB_SECONDARY_BAD)
740 LOG(log_error, logtype_cnid, "error deleting key/value from %s: %s",
741 dbd->db_table[dbi].name, db_strerror(ret));
748 * Search the database by name
750 * @param resbuf (w) buffer for search results CNIDs, maxsize is assumed to be
751 * DBD_MAX_SRCH_RSLTS * sizefof(cnid_t)
753 * @returns -1 on error, 0 when nothing found, else the number of matches
755 int dbif_search(DBD *dbd, DBT *key, char *resbuf)
761 char *cnids = resbuf;
763 char *namebkp = key->data;
764 int namelenbkp = key->size;
766 memset(&pkey, 0, sizeof(DBT));
767 memset(&data, 0, sizeof(DBT));
770 ret = dbd->db_table[DBIF_IDX_NAME].db->cursor(dbd->db_table[DBIF_IDX_NAME].db,
775 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(ret));
780 ret = cursorp->pget(cursorp, key, &pkey, &data, DB_SET_RANGE);
781 while (count < DBD_MAX_SRCH_RSLTS && ret != DB_NOTFOUND) {
782 if (namelenbkp <= key->size && strncmp(namebkp, key->data, namelenbkp) == 0) {
784 memcpy(cnids, pkey.data, sizeof(cnid_t));
785 memcpy(&cnid, pkey.data, sizeof(cnid_t));
786 cnids += sizeof(cnid_t);
787 LOG(log_error, logtype_cnid, "match: CNID %" PRIu32, ntohl(cnid));
789 LOG(log_error, logtype_cnid, "ignoring: CNID %" PRIu32, ntohl(cnid));
791 ret = cursorp->pget(cursorp, key, &pkey, &data, DB_NEXT);
798 cursorp->close(cursorp);
802 int dbif_txn_begin(DBD *dbd)
806 /* If we already have an active txn, just return */
810 /* If our DBD has no env, just return (-> in memory db) */
811 if (dbd->db_env == NULL)
814 ret = dbd->db_env->txn_begin(dbd->db_env, NULL, &dbd->db_txn, 0);
817 LOG(log_error, logtype_cnid, "error starting transaction: %s", db_strerror(ret));
823 int dbif_txn_commit(DBD *dbd)
830 /* If our DBD has no env, just return (-> in memory db) */
831 if (dbd->db_env == NULL)
834 ret = dbd->db_txn->commit(dbd->db_txn, 0);
838 LOG(log_error, logtype_cnid, "error committing transaction: %s", db_strerror(ret));
844 int dbif_txn_abort(DBD *dbd)
851 /* If our DBD has no env, just return (-> in memory db) */
852 if (dbd->db_env == NULL)
855 ret = dbd->db_txn->abort(dbd->db_txn);
859 LOG(log_error, logtype_cnid, "error aborting transaction: %s", db_strerror(ret));
866 ret = 1 -> commit txn
867 ret = 0 -> abort txn -> exit!
868 anything else -> exit!
870 void dbif_txn_close(DBD *dbd, int ret)
873 if (dbif_txn_abort(dbd) < 0) {
874 LOG( log_error, logtype_cnid, "Fatal error aborting transaction. Exiting!");
877 } else if (ret == 1) {
878 ret = dbif_txn_commit(dbd);
880 LOG( log_error, logtype_cnid, "Fatal error committing transaction. Exiting!");
887 int dbif_txn_checkpoint(DBD *dbd, u_int32_t kbyte, u_int32_t min, u_int32_t flags)
890 ret = dbd->db_env->txn_checkpoint(dbd->db_env, kbyte, min, flags);
892 LOG(log_error, logtype_cnid, "error checkpointing transaction susystem: %s", db_strerror(ret));
898 int dbif_count(DBD *dbd, const int dbi, u_int32_t *count)
902 DB *db = dbd->db_table[dbi].db;
904 ret = db->stat(db, NULL, &sp, 0);
907 LOG(log_error, logtype_cnid, "error getting stat infotmation on database: %s", db_strerror(ret));
911 *count = sp->bt_ndata;
917 int dbif_copy_rootinfokey(DBD *srcdbd, DBD *destdbd)
922 memset(&key, 0, sizeof(key));
923 memset(&data, 0, sizeof(data));
925 key.data = ROOTINFO_KEY;
926 key.size = ROOTINFO_KEYLEN;
928 if ((rc = dbif_get(srcdbd, DBIF_CNID, &key, &data, 0)) <= 0) {
929 LOG(log_error, logtype_cnid, "dbif_copy_rootinfokey: Error getting rootinfo record");
933 memset(&key, 0, sizeof(key));
934 key.data = ROOTINFO_KEY;
935 key.size = ROOTINFO_KEYLEN;
937 if ((rc = dbif_put(destdbd, DBIF_CNID, &key, &data, 0))) {
938 LOG(log_error, logtype_cnid, "dbif_copy_rootinfokey: Error writing rootinfo key");
945 int dbif_dump(DBD *dbd, int dumpindexes)
948 uint32_t max = 0, count = 0, cnid, type, did, lastid;
952 DBT key = { 0 }, data = { 0 };
953 DB *db = dbd->db_table[DBIF_CNID].db;
954 char *typestring[2] = {"f", "d"};
957 printf("CNID database dump:\n");
959 rc = db->cursor(db, NULL, &cur, 0);
961 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(rc));
965 cur->c_get(cur, &key, &data, DB_FIRST);
967 /* Parse and print data */
968 memcpy(&cnid, key.data, 4);
973 /* Rootinfo node ? */
975 memcpy(&stamp, (char *)data.data + 4, sizeof(time_t));
976 memcpy(&lastid, (char *)data.data + 20, sizeof(cnid_t));
977 lastid = ntohl(lastid);
978 strftime(timebuf, sizeof(timebuf), "%b %d %Y %H:%M:%S", localtime(&stamp));
979 printf("dbd stamp: 0x%08x (%s), next free CNID: %u\n", (unsigned int)stamp, timebuf, lastid + 1);
982 memcpy(&dev, (char *)data.data + CNID_DEV_OFS, 8);
985 memcpy(&ino, (char *)data.data + CNID_INO_OFS, 8);
988 memcpy(&type, (char *)data.data + CNID_TYPE_OFS, 4);
991 memcpy(&did, (char *)data.data + CNID_DID_OFS, 4);
995 printf("id: %10u, did: %10u, type: %s, dev: 0x%llx, ino: 0x%016llx, name: %s\n",
996 cnid, did, typestring[type],
997 (long long unsigned int)dev, (long long unsigned int)ino,
998 (char *)data.data + CNID_NAME_OFS);
1002 rc = cur->c_get(cur, &key, &data, DB_NEXT);
1005 if (rc != DB_NOTFOUND) {
1006 LOG(log_error, logtype_cnid, "Error iterating over btree: %s", db_strerror(rc));
1010 rc = cur->c_close(cur);
1012 LOG(log_error, logtype_cnid, "Couldn't close cursor: %s", db_strerror(rc));
1015 printf("%u CNIDs in database. Max CNID: %u.\n", count, max);
1017 /* Dump indexes too ? */
1019 /* DBIF_IDX_DEVINO */
1020 printf("\ndev/inode index:\n");
1022 db = dbd->db_table[DBIF_IDX_DEVINO].db;
1023 rc = db->cursor(db, NULL, &cur, 0);
1025 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(rc));
1029 cur->c_get(cur, &key, &data, DB_FIRST);
1031 /* Parse and print data */
1034 memcpy(&cnid, data.data, CNID_LEN);
1040 memcpy(&dev, key.data, CNID_DEV_LEN);
1043 memcpy(&ino, (char *)key.data + CNID_DEV_LEN, CNID_INO_LEN);
1046 printf("id: %10u <== dev: 0x%llx, ino: 0x%016llx\n",
1047 cnid, (unsigned long long int)dev, (unsigned long long int)ino);
1050 rc = cur->c_get(cur, &key, &data, DB_NEXT);
1052 if (rc != DB_NOTFOUND) {
1053 LOG(log_error, logtype_cnid, "Error iterating over btree: %s", db_strerror(rc));
1057 rc = cur->c_close(cur);
1059 LOG(log_error, logtype_cnid, "Couldn't close cursor: %s", db_strerror(rc));
1062 printf("%u items\n", count);
1064 /* Now dump DBIF_IDX_DIDNAME */
1065 printf("\ndid/name index:\n");
1067 db = dbd->db_table[DBIF_IDX_DIDNAME].db;
1068 rc = db->cursor(db, NULL, &cur, 0);
1070 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(rc));
1074 cur->c_get(cur, &key, &data, DB_FIRST);
1076 /* Parse and print data */
1079 memcpy(&cnid, data.data, CNID_LEN);
1085 memcpy(&did, key.data, CNID_LEN);
1088 printf("id: %10u <== did: %10u, name: %s\n", cnid, did, (char *)key.data + CNID_LEN);
1091 rc = cur->c_get(cur, &key, &data, DB_NEXT);
1093 if (rc != DB_NOTFOUND) {
1094 LOG(log_error, logtype_cnid, "Error iterating over btree: %s", db_strerror(rc));
1098 rc = cur->c_close(cur);
1100 LOG(log_error, logtype_cnid, "Couldn't close cursor: %s", db_strerror(rc));
1103 printf("%u items\n", count);
1110 Iterates over dbd, returning cnids.
1111 Uses in-value of cnid to seek to that cnid, then gets next and return that in cnid.
1112 If close=1, close cursor.
1113 Return -1 on error, 0 on EOD (end-of-database), 1 if returning cnid.
1115 int dbif_idwalk(DBD *dbd, cnid_t *cnid, int close)
1121 static DBT key = { 0 }, data = { 0 };
1122 DB *db = dbd->db_table[DBIF_CNID].db;
1126 dbd->db_cur->close(dbd->db_cur);
1132 /* An dbif_del will have closed our cursor too */
1133 if ( ! dbd->db_cur ) {
1134 if ((rc = db->cursor(db, NULL, &dbd->db_cur, 0)) != 0) {
1135 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(rc));
1138 flag = DB_SET_RANGE; /* This will seek to next cnid after the one just deleted */
1141 key.size = sizeof(cnid_t);
1145 if ((rc = dbd->db_cur->get(dbd->db_cur, &key, &data, flag)) == 0) {
1146 memcpy(cnid, key.data, sizeof(cnid_t));
1147 *cnid = ntohl(*cnid);
1151 if (rc != DB_NOTFOUND) {
1152 LOG(log_error, logtype_cnid, "Error iterating over btree: %s", db_strerror(rc));
1153 dbd->db_cur->close(dbd->db_cur);
1159 dbd->db_cur->close(dbd->db_cur);