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>
23 #include <atalk/util.h>
30 #define DB_ERRLOGFILE "db_errlog"
32 static char *old_dbfiles[] = {"cnid.db", NULL};
35 static int upgrade_required(const DBD *dbd)
43 if ( ! dbd->db_filename)
48 if ((cwd = open(".", O_RDONLY)) < 0) {
49 LOG(log_error, logtype_cnid, "error opening cwd: %s", strerror(errno));
53 /* chdir to db_envhome */
54 if ((chdir(dbd->db_envhome)) != 0) {
55 LOG(log_error, logtype_cnid, "error chdiring to db_env '%s': %s", dbd->db_envhome, strerror(errno));
60 for (i = 0; old_dbfiles[i] != NULL; i++) {
61 if ( !(stat(old_dbfiles[i], &st) < 0) ) {
65 if (errno != ENOENT) {
66 LOG(log_error, logtype_cnid, "cnid_open: Checking %s gave %s", old_dbfiles[i], strerror(errno));
73 if ((fchdir(cwd)) != 0) {
74 LOG(log_error, logtype_cnid, "error chdiring back: %s", strerror(errno));
79 return (ret < 0 ? ret : found);
83 static int dbif_openlog(DBD *dbd)
88 if ( ! dbd->db_filename)
93 if ((cwd = open(".", O_RDONLY)) < 0) {
94 LOG(log_error, logtype_cnid, "error opening cwd: %s", strerror(errno));
98 /* chdir to db_envhome */
99 if ((chdir(dbd->db_envhome)) != 0) {
100 LOG(log_error, logtype_cnid, "error chdiring to db_env '%s': %s", dbd->db_envhome, strerror(errno));
105 if ((dbd->db_errlog = fopen(DB_ERRLOGFILE, "a")) == NULL)
106 LOG(log_warning, logtype_cnid, "error creating/opening DB errlogfile: %s", strerror(errno));
108 if (dbd->db_errlog != NULL) {
109 dbd->db_env->set_errfile(dbd->db_env, dbd->db_errlog);
110 dbd->db_env->set_msgfile(dbd->db_env, dbd->db_errlog);
115 if ((fchdir(cwd)) != 0) {
116 LOG(log_error, logtype_cnid, "error chdiring back: %s", strerror(errno));
124 /* --------------- */
125 static int dbif_logautorem(DBD *dbd)
129 char **logfiles = NULL;
132 if ( ! dbd->db_filename)
137 if ((cwd = open(".", O_RDONLY)) < 0) {
138 LOG(log_error, logtype_cnid, "error opening cwd: %s", strerror(errno));
142 /* chdir to db_envhome */
143 if ((chdir(dbd->db_envhome)) != 0) {
144 LOG(log_error, logtype_cnid, "error chdiring to db_env '%s': %s", dbd->db_envhome, strerror(errno));
149 if ((ret = dbd->db_env->log_archive(dbd->db_env, &logfiles, 0)) != 0) {
150 LOG(log_error, logtype_cnid, "error getting list of stale logfiles: %s",
152 dbd->db_env->close(dbd->db_env, 0);
158 if (logfiles != NULL) {
159 for (file = logfiles; *file != NULL; file++) {
160 if (unlink(*file) < 0)
161 LOG(log_warning, logtype_cnid, "Error removing stale logfile %s: %s", *file, strerror(errno));
168 if ((fchdir(cwd)) != 0) {
169 LOG(log_error, logtype_cnid, "error chdiring back: %s", strerror(errno));
178 * Get lock on db lock file
180 * @args cmd (r) lock command:
181 * LOCK_FREE: close lockfd
182 * LOCK_UNLOCK: unlock lockm keep lockfd open
183 * LOCK_EXCL: F_WRLCK on lockfd
184 * LOCK_SHRD: F_RDLCK on lockfd
185 * @args dbpath (r) path to lockfile, only used on first call,
186 * later the stored fd is used
187 * @returns LOCK_FREE/LOCK_UNLOCK return 0 on success, -1 on error
188 * LOCK_EXCL/LOCK_SHRD return LOCK_EXCL or LOCK_SHRD respectively on
189 * success, 0 if the lock couldn't be acquired, -1 on other errors
191 int get_lock(int cmd, const char *dbpath)
193 static int lockfd = -1;
195 char lockpath[PATH_MAX];
209 return unlock(lockfd, 0, SEEK_SET, 0);
214 if ( (strlen(dbpath) + strlen(LOCKFILENAME+1)) > (PATH_MAX - 1) ) {
215 LOG(log_error, logtype_cnid, ".AppleDB pathname too long");
218 strncpy(lockpath, dbpath, PATH_MAX - 1);
219 strcat(lockpath, "/");
220 strcat(lockpath, LOCKFILENAME);
222 if ((lockfd = open(lockpath, O_RDWR | O_CREAT, 0644)) < 0) {
223 LOG(log_error, logtype_cnid, "Error opening lockfile: %s", strerror(errno));
227 if ((stat(dbpath, &st)) != 0) {
228 LOG(log_error, logtype_cnid, "Error statting lockfile: %s", strerror(errno));
232 if ((chown(lockpath, st.st_uid, st.st_gid)) != 0) {
233 LOG(log_error, logtype_cnid, "Error inheriting lockfile permissions: %s",
239 if (cmd == LOCK_EXCL)
240 ret = write_lock(lockfd, 0, SEEK_SET, 0);
242 ret = read_lock(lockfd, 0, SEEK_SET, 0);
245 if (cmd == LOCK_SHRD)
246 LOG(log_error, logtype_cnid, "Volume CNID db is locked, try again...");
250 LOG(log_debug, logtype_cnid, "get_lock: got %s lock",
251 cmd == LOCK_EXCL ? "LOCK_EXCL" : "LOCK_SHRD");
258 /* deadc0de, never get here */
262 /* --------------- */
263 int dbif_stamp(DBD *dbd, void *buffer, int size)
272 if ((cwd = open(".", O_RDONLY)) < 0) {
273 LOG(log_error, logtype_cnid, "error opening cwd: %s", strerror(errno));
277 /* chdir to db_envhome */
278 if ((chdir(dbd->db_envhome)) != 0) {
279 LOG(log_error, logtype_cnid, "error chdiring to db_env '%s': %s", dbd->db_envhome, strerror(errno));
283 if ((rc = stat(dbd->db_table[DBIF_CNID].name, &st)) < 0) {
284 LOG(log_error, logtype_cnid, "error stating database %s: %s", dbd->db_table[DBIF_CNID].name, db_strerror(errno));
287 memset(buffer, 0, size);
288 memcpy(buffer, &st.st_ctime, sizeof(st.st_ctime));
290 if ((fchdir(cwd)) != 0) {
291 LOG(log_error, logtype_cnid, "error chdiring back: %s", strerror(errno));
298 /* --------------- */
299 DBD *dbif_init(const char *envhome, const char *filename)
303 if ( NULL == (dbd = calloc(sizeof(DBD), 1)) )
306 /* filename == NULL means in memory db */
311 dbd->db_envhome = strdup(envhome);
312 if (NULL == dbd->db_envhome) {
317 dbd->db_filename = strdup(filename);
318 if (NULL == dbd->db_filename) {
319 free(dbd->db_envhome);
325 dbd->db_table[DBIF_CNID].name = "cnid2.db";
326 dbd->db_table[DBIF_IDX_DEVINO].name = "devino.db";
327 dbd->db_table[DBIF_IDX_DIDNAME].name = "didname.db";
329 dbd->db_table[DBIF_CNID].type = DB_BTREE;
330 dbd->db_table[DBIF_IDX_DEVINO].type = DB_BTREE;
331 dbd->db_table[DBIF_IDX_DIDNAME].type = DB_BTREE;
333 dbd->db_table[DBIF_CNID].openflags = DB_CREATE;
334 dbd->db_table[DBIF_IDX_DEVINO].openflags = DB_CREATE;
335 dbd->db_table[DBIF_IDX_DIDNAME].openflags = DB_CREATE;
341 We must open the db_env with an absolute pathname, as `dbd` keeps chdir'ing, which
342 breaks e.g. bdb logfile-rotation with relative pathnames.
343 But still we use relative paths with upgrade_required() and the DB_ERRLOGFILE
344 in order to avoid creating absolute paths by copying. Both have no problem with
347 int dbif_env_open(DBD *dbd, struct db_param *dbp, uint32_t dbenv_oflags)
351 /* Refuse to do anything if this is an old version of the CNID database */
352 if (upgrade_required(dbd)) {
353 LOG(log_error, logtype_cnid, "Found version 1 of the CNID database. Please upgrade to version 2");
357 if ((ret = db_env_create(&dbd->db_env, 0))) {
358 LOG(log_error, logtype_cnid, "error creating DB environment: %s",
364 dbd->db_param = *dbp;
366 if ((dbif_openlog(dbd)) != 0)
369 if (dbenv_oflags & DB_RECOVER) {
371 LOG(log_debug, logtype_cnid, "Running recovery");
373 dbd->db_env->set_verbose(dbd->db_env, DB_VERB_RECOVERY, 1);
374 /* Open the database for recovery using DB_PRIVATE option which is faster */
375 if ((ret = dbd->db_env->open(dbd->db_env, dbd->db_envhome, dbenv_oflags | DB_PRIVATE, 0))) {
376 LOG(log_error, logtype_cnid, "error opening DB environment: %s",
378 dbd->db_env->close(dbd->db_env, 0);
382 dbenv_oflags = (dbenv_oflags & ~DB_RECOVER);
384 if (dbd->db_errlog != NULL)
385 fflush(dbd->db_errlog);
387 if ((ret = dbd->db_env->close(dbd->db_env, 0))) {
388 LOG(log_error, logtype_cnid, "error closing DB environment after recovery: %s",
393 dbd->db_errlog = NULL;
395 if ((ret = db_env_create(&dbd->db_env, 0))) {
396 LOG(log_error, logtype_cnid, "error creating DB environment after recovery: %s",
402 if ((dbif_openlog(dbd)) != 0)
405 LOG(log_debug, logtype_cnid, "Finished recovery.");
408 if ((ret = dbd->db_env->set_cachesize(dbd->db_env, 0, 1024 * dbp->cachesize, 0))) {
409 LOG(log_error, logtype_cnid, "error setting DB environment cachesize to %i: %s",
410 dbp->cachesize, db_strerror(ret));
411 dbd->db_env->close(dbd->db_env, 0);
416 if ((ret = dbd->db_env->open(dbd->db_env, dbd->db_envhome, dbenv_oflags, 0))) {
417 LOG(log_error, logtype_cnid, "error opening DB environment after recovery: %s",
419 dbd->db_env->close(dbd->db_env, 0);
424 if ((ret = dbd->db_env->set_flags(dbd->db_env, DB_AUTO_COMMIT, 1))) {
425 LOG(log_error, logtype_cnid, "error setting DB_AUTO_COMMIT flag: %s",
427 dbd->db_env->close(dbd->db_env, 0);
432 if (dbp->logfile_autoremove) {
433 if ((dbif_logautorem(dbd)) != 0)
436 #if DB_VERSION_MAJOR > 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 7)
437 if ((ret = dbd->db_env->log_set_config(dbd->db_env, DB_LOG_AUTO_REMOVE, 1))) {
438 LOG(log_error, logtype_cnid, "error setting DB_LOG_AUTO_REMOVE flag: %s",
440 dbd->db_env->close(dbd->db_env, 0);
445 if ((ret = dbd->db_env->set_flags(dbd->db_env, DB_LOG_AUTOREMOVE, 1))) {
446 LOG(log_error, logtype_cnid, "error setting DB_LOG_AUTOREMOVE flag: %s",
448 dbd->db_env->close(dbd->db_env, 0);
458 /* --------------- */
459 int dbif_open(DBD *dbd, struct db_param *dbp, int reindex)
466 /* Try to upgrade if it's a normal on-disk database */
467 if (dbd->db_envhome) {
469 if ((cwd = open(".", O_RDONLY)) < 0) {
470 LOG(log_error, logtype_cnid, "error opening cwd: %s", strerror(errno));
474 /* chdir to db_envhome. makes it easier checking for old db files and creating db_errlog file */
475 if ((chdir(dbd->db_envhome)) != 0) {
476 LOG(log_error, logtype_cnid, "error chdiring to db_env '%s': %s", dbd->db_envhome, strerror(errno));
480 if ((stat(dbd->db_filename, &st)) == 0) {
481 LOG(log_debug, logtype_cnid, "See if we can upgrade the CNID database...");
482 if ((ret = db_create(&upgrade_db, dbd->db_env, 0))) {
483 LOG(log_error, logtype_cnid, "error creating handle for database: %s", db_strerror(ret));
486 if ((ret = upgrade_db->upgrade(upgrade_db, dbd->db_filename, 0))) {
487 LOG(log_error, logtype_cnid, "error upgarding database: %s", db_strerror(ret));
490 if ((ret = upgrade_db->close(upgrade_db, 0))) {
491 LOG(log_error, logtype_cnid, "error closing database: %s", db_strerror(ret));
494 if ((ret = dbd->db_env->txn_checkpoint(dbd->db_env, 0, 0, DB_FORCE))) {
495 LOG(log_error, logtype_cnid, "error forcing checkpoint: %s", db_strerror(ret));
498 LOG(log_debug, logtype_cnid, "Finished CNID database upgrade check");
501 if ((fchdir(cwd)) != 0) {
502 LOG(log_error, logtype_cnid, "error chdiring back: %s", strerror(errno));
507 /* Now open databases ... */
508 for (i = 0; i != DBIF_DB_CNT; i++) {
509 if ((ret = db_create(&dbd->db_table[i].db, dbd->db_env, 0))) {
510 LOG(log_error, logtype_cnid, "error creating handle for database %s: %s",
511 dbd->db_table[i].name, db_strerror(ret));
515 if (dbd->db_table[i].flags) {
516 if ((ret = dbd->db_table[i].db->set_flags(dbd->db_table[i].db,
517 dbd->db_table[i].flags))) {
518 LOG(log_error, logtype_cnid, "error setting flags for database %s: %s",
519 dbd->db_table[i].name, db_strerror(ret));
524 if ( ! dbd->db_env) { /* In memory db */
525 if ((ret = dbd->db_table[i].db->set_cachesize(dbd->db_table[i].db,
528 4)) /* split in 4 memory chunks */
530 LOG(log_error, logtype_cnid, "error setting cachesize %u KB for database %s: %s",
531 dbp->cachesize / 1024, dbd->db_table[i].name, db_strerror(ret));
536 if (dbd->db_table[i].db->open(dbd->db_table[i].db,
539 dbd->db_table[i].name,
540 dbd->db_table[i].type,
541 dbd->db_table[i].openflags,
543 LOG(log_error, logtype_cnid, "Cant open database");
547 if (reindex && i > 0) {
548 LOG(log_info, logtype_cnid, "Truncating CNID index.");
549 if ((ret = dbd->db_table[i].db->truncate(dbd->db_table[i].db, NULL, &count, 0))) {
550 LOG(log_error, logtype_cnid, "error truncating database %s: %s",
551 dbd->db_table[i].name, db_strerror(ret));
557 /* TODO: Implement CNID DB versioning info on new databases. */
559 /* Associate the secondary with the primary. */
561 LOG(log_info, logtype_cnid, "Reindexing did/name index...");
562 if ((ret = dbd->db_table[0].db->associate(dbd->db_table[DBIF_CNID].db,
564 dbd->db_table[DBIF_IDX_DIDNAME].db,
566 (reindex) ? DB_CREATE : 0))
568 LOG(log_error, logtype_cnid, "Failed to associate didname database: %s",db_strerror(ret));
572 LOG(log_info, logtype_cnid, "... done.");
575 LOG(log_info, logtype_cnid, "Reindexing dev/ino index...");
576 if ((ret = dbd->db_table[0].db->associate(dbd->db_table[0].db,
578 dbd->db_table[DBIF_IDX_DEVINO].db,
580 (reindex) ? DB_CREATE : 0))
582 LOG(log_error, logtype_cnid, "Failed to associate devino database: %s",db_strerror(ret));
586 LOG(log_info, logtype_cnid, "... done.");
591 /* ------------------------ */
592 static int dbif_closedb(DBD *dbd)
598 for (i = DBIF_DB_CNT -1; i >= 0; i--) {
599 if (dbd->db_table[i].db != NULL && (ret = dbd->db_table[i].db->close(dbd->db_table[i].db, 0))) {
600 LOG(log_error, logtype_cnid, "error closing database %s: %s", dbd->db_table[i].name, db_strerror(ret));
609 /* ------------------------ */
610 int dbif_close(DBD *dbd)
615 if (dbif_closedb(dbd))
618 if (dbd->db_env != NULL && (ret = dbd->db_env->close(dbd->db_env, 0))) {
619 LOG(log_error, logtype_cnid, "error closing DB environment: %s", db_strerror(ret));
622 if (dbd->db_errlog != NULL && fclose(dbd->db_errlog) == EOF) {
623 LOG(log_error, logtype_cnid, "error closing DB logfile: %s", strerror(errno));
627 free(dbd->db_filename);
637 In order to support silent database upgrades:
638 destroy env at cnid_dbd shutdown.
640 int dbif_prep_upgrade(const char *path)
645 LOG(log_debug, logtype_cnid, "Reopening BerkeleyDB environment");
647 if (NULL == (dbd = dbif_init(path, "cnid2.db")))
650 /* Get db_env handle */
651 if ((ret = db_env_create(&dbd->db_env, 0))) {
652 LOG(log_error, logtype_cnid, "error creating DB environment: %s", db_strerror(ret));
657 if ((dbif_openlog(dbd)) != 0)
660 /* Open environment with recovery */
661 if ((ret = dbd->db_env->open(dbd->db_env,
663 DB_CREATE | DB_INIT_LOG | DB_INIT_MPOOL | DB_INIT_LOCK | DB_INIT_TXN | DB_RECOVER | DB_PRIVATE,
665 LOG(log_error, logtype_cnid, "error opening DB environment: %s",
667 dbd->db_env->close(dbd->db_env, 0);
672 if (dbd->db_errlog != NULL)
673 fflush(dbd->db_errlog);
675 /* Remove logfiles */
676 if ((ret = dbd->db_env->log_archive(dbd->db_env, NULL, DB_ARCH_REMOVE))) {
677 LOG(log_error, logtype_cnid, "error removing transaction logfiles: %s", db_strerror(ret));
681 if ((ret = dbd->db_env->close(dbd->db_env, 0))) {
682 LOG(log_error, logtype_cnid, "error closing DB environment after recovery: %s", db_strerror(ret));
687 LOG(log_debug, logtype_cnid, "BerkeleyDB environment recovery done.");
689 /* Get a new db_env handle and then remove environment */
690 if ((ret = db_env_create(&dbd->db_env, 0))) {
691 LOG(log_error, logtype_cnid, "error acquiring db_end handle: %s", db_strerror(ret));
695 if ((ret = dbd->db_env->remove(dbd->db_env, dbd->db_envhome, 0))) {
696 LOG(log_error, logtype_cnid, "error removing BerkeleyDB environment: %s", db_strerror(ret));
700 LOG(log_debug, logtype_cnid, "Removed BerkeleyDB environment.");
706 * The following three functions are wrappers for DB->get(), DB->put() and DB->del().
707 * All three return -1 on error. dbif_get()/dbif_del return 1 if the key was found and 0
708 * otherwise. dbif_put() returns 0 if key/val was successfully updated and 1 if
709 * the DB_NOOVERWRITE flag was specified and the key already exists.
711 * All return codes other than DB_NOTFOUND and DB_KEYEXIST from the DB->()
712 * functions are not expected and therefore error conditions.
715 int dbif_get(DBD *dbd, const int dbi, DBT *key, DBT *val, u_int32_t flags)
719 ret = dbd->db_table[dbi].db->get(dbd->db_table[dbi].db,
725 if (ret == DB_NOTFOUND)
728 LOG(log_error, logtype_cnid, "error retrieving value from %s: %s",
729 dbd->db_table[dbi].name, db_strerror(ret));
735 /* search by secondary return primary */
736 int dbif_pget(DBD *dbd, const int dbi, DBT *key, DBT *pkey, DBT *val, u_int32_t flags)
740 ret = dbd->db_table[dbi].db->pget(dbd->db_table[dbi].db,
747 if (ret == DB_NOTFOUND || ret == DB_SECONDARY_BAD) {
751 LOG(log_error, logtype_cnid, "error retrieving value from %s: %s",
752 dbd->db_table[dbi].name, db_strerror(ret));
758 /* -------------------------- */
759 int dbif_put(DBD *dbd, const int dbi, DBT *key, DBT *val, u_int32_t flags)
763 if (dbif_txn_begin(dbd) < 0) {
764 LOG(log_error, logtype_cnid, "error setting key/value in %s", dbd->db_table[dbi].name);
768 ret = dbd->db_table[dbi].db->put(dbd->db_table[dbi].db,
776 if ((flags & DB_NOOVERWRITE) && ret == DB_KEYEXIST) {
779 LOG(log_error, logtype_cnid, "error setting key/value in %s: %s",
780 dbd->db_table[dbi].name, db_strerror(ret));
787 int dbif_del(DBD *dbd, const int dbi, DBT *key, u_int32_t flags)
791 /* For cooperation with the dbd utility and its usage of a cursor */
793 dbd->db_cur->close(dbd->db_cur);
797 if (dbif_txn_begin(dbd) < 0) {
798 LOG(log_error, logtype_cnid, "error deleting key/value from %s", dbd->db_table[dbi].name);
802 ret = dbd->db_table[dbi].db->del(dbd->db_table[dbi].db,
807 if (ret == DB_NOTFOUND || ret == DB_SECONDARY_BAD)
810 LOG(log_error, logtype_cnid, "error deleting key/value from %s: %s",
811 dbd->db_table[dbi].name, db_strerror(ret));
817 int dbif_txn_begin(DBD *dbd)
821 /* If we already have an active txn, just return */
825 /* If our DBD has no env, just return (-> in memory db) */
826 if (dbd->db_env == NULL)
829 ret = dbd->db_env->txn_begin(dbd->db_env, NULL, &dbd->db_txn, 0);
832 LOG(log_error, logtype_cnid, "error starting transaction: %s", db_strerror(ret));
838 int dbif_txn_commit(DBD *dbd)
845 /* If our DBD has no env, just return (-> in memory db) */
846 if (dbd->db_env == NULL)
849 ret = dbd->db_txn->commit(dbd->db_txn, 0);
853 LOG(log_error, logtype_cnid, "error committing transaction: %s", db_strerror(ret));
859 int dbif_txn_abort(DBD *dbd)
866 /* If our DBD has no env, just return (-> in memory db) */
867 if (dbd->db_env == NULL)
870 ret = dbd->db_txn->abort(dbd->db_txn);
874 LOG(log_error, logtype_cnid, "error aborting transaction: %s", db_strerror(ret));
881 ret = 1 -> commit txn if db_param.txn_frequency
882 ret = 0 -> abort txn db_param.txn_frequency -> exit!
883 anything else -> exit!
885 void dbif_txn_close(DBD *dbd, int ret)
888 if (dbif_txn_abort(dbd) < 0) {
889 LOG( log_error, logtype_cnid, "Fatal error aborting transaction. Exiting!");
892 } else if (ret == 1 || ret == 2) {
893 ret = dbif_txn_commit(dbd);
895 LOG( log_error, logtype_cnid, "Fatal error committing transaction. Exiting!");
902 int dbif_txn_checkpoint(DBD *dbd, u_int32_t kbyte, u_int32_t min, u_int32_t flags)
905 ret = dbd->db_env->txn_checkpoint(dbd->db_env, kbyte, min, flags);
907 LOG(log_error, logtype_cnid, "error checkpointing transaction susystem: %s", db_strerror(ret));
913 int dbif_count(DBD *dbd, const int dbi, u_int32_t *count)
917 DB *db = dbd->db_table[dbi].db;
919 ret = db->stat(db, NULL, &sp, 0);
922 LOG(log_error, logtype_cnid, "error getting stat infotmation on database: %s", db_strerror(ret));
926 *count = sp->bt_ndata;
932 int dbif_copy_rootinfokey(DBD *srcdbd, DBD *destdbd)
937 memset(&key, 0, sizeof(key));
938 memset(&data, 0, sizeof(data));
940 key.data = ROOTINFO_KEY;
941 key.size = ROOTINFO_KEYLEN;
943 if ((rc = dbif_get(srcdbd, DBIF_CNID, &key, &data, 0)) <= 0) {
944 LOG(log_error, logtype_cnid, "dbif_copy_rootinfokey: Error getting rootinfo record");
948 memset(&key, 0, sizeof(key));
949 key.data = ROOTINFO_KEY;
950 key.size = ROOTINFO_KEYLEN;
952 if ((rc = dbif_put(destdbd, DBIF_CNID, &key, &data, 0))) {
953 LOG(log_error, logtype_cnid, "dbif_copy_rootinfokey: Error writing rootinfo key");
960 int dbif_dump(DBD *dbd, int dumpindexes)
963 uint32_t max = 0, count = 0, cnid, type, did, lastid;
967 DBT key = { 0 }, data = { 0 };
968 DB *db = dbd->db_table[DBIF_CNID].db;
969 char *typestring[2] = {"f", "d"};
972 printf("CNID database dump:\n");
974 rc = db->cursor(db, NULL, &cur, 0);
976 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(rc));
980 cur->c_get(cur, &key, &data, DB_FIRST);
982 /* Parse and print data */
983 memcpy(&cnid, key.data, 4);
988 /* Rootinfo node ? */
990 memcpy(&stamp, (char *)data.data + 4, sizeof(time_t));
991 memcpy(&lastid, (char *)data.data + 20, sizeof(cnid_t));
992 lastid = ntohl(lastid);
993 strftime(timebuf, sizeof(timebuf), "%b %d %Y %H:%M:%S", localtime(&stamp));
994 printf("dbd stamp: 0x%08x (%s), next free CNID: %u\n", (unsigned int)stamp, timebuf, lastid + 1);
997 memcpy(&dev, (char *)data.data + CNID_DEV_OFS, 8);
1000 memcpy(&ino, (char *)data.data + CNID_INO_OFS, 8);
1003 memcpy(&type, (char *)data.data + CNID_TYPE_OFS, 4);
1006 memcpy(&did, (char *)data.data + CNID_DID_OFS, 4);
1010 printf("id: %10u, did: %10u, type: %s, dev: 0x%llx, ino: 0x%016llx, name: %s\n",
1011 cnid, did, typestring[type],
1012 (long long unsigned int)dev, (long long unsigned int)ino,
1013 (char *)data.data + CNID_NAME_OFS);
1017 rc = cur->c_get(cur, &key, &data, DB_NEXT);
1020 if (rc != DB_NOTFOUND) {
1021 LOG(log_error, logtype_cnid, "Error iterating over btree: %s", db_strerror(rc));
1025 rc = cur->c_close(cur);
1027 LOG(log_error, logtype_cnid, "Couldn't close cursor: %s", db_strerror(rc));
1030 printf("%u CNIDs in database. Max CNID: %u.\n", count, max);
1032 /* Dump indexes too ? */
1034 /* DBIF_IDX_DEVINO */
1035 printf("\ndev/inode index:\n");
1037 db = dbd->db_table[DBIF_IDX_DEVINO].db;
1038 rc = db->cursor(db, NULL, &cur, 0);
1040 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(rc));
1044 cur->c_get(cur, &key, &data, DB_FIRST);
1046 /* Parse and print data */
1049 memcpy(&cnid, data.data, CNID_LEN);
1055 memcpy(&dev, key.data, CNID_DEV_LEN);
1058 memcpy(&ino, (char *)key.data + CNID_DEV_LEN, CNID_INO_LEN);
1061 printf("id: %10u <== dev: 0x%llx, ino: 0x%016llx\n",
1062 cnid, (unsigned long long int)dev, (unsigned long long int)ino);
1065 rc = cur->c_get(cur, &key, &data, DB_NEXT);
1067 if (rc != DB_NOTFOUND) {
1068 LOG(log_error, logtype_cnid, "Error iterating over btree: %s", db_strerror(rc));
1072 rc = cur->c_close(cur);
1074 LOG(log_error, logtype_cnid, "Couldn't close cursor: %s", db_strerror(rc));
1077 printf("%u items\n", count);
1079 /* Now dump DBIF_IDX_DIDNAME */
1080 printf("\ndid/name index:\n");
1082 db = dbd->db_table[DBIF_IDX_DIDNAME].db;
1083 rc = db->cursor(db, NULL, &cur, 0);
1085 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(rc));
1089 cur->c_get(cur, &key, &data, DB_FIRST);
1091 /* Parse and print data */
1094 memcpy(&cnid, data.data, CNID_LEN);
1100 memcpy(&did, key.data, CNID_LEN);
1103 printf("id: %10u <== did: %10u, name: %s\n", cnid, did, (char *)key.data + CNID_LEN);
1106 rc = cur->c_get(cur, &key, &data, DB_NEXT);
1108 if (rc != DB_NOTFOUND) {
1109 LOG(log_error, logtype_cnid, "Error iterating over btree: %s", db_strerror(rc));
1113 rc = cur->c_close(cur);
1115 LOG(log_error, logtype_cnid, "Couldn't close cursor: %s", db_strerror(rc));
1118 printf("%u items\n", count);
1125 Iterates over dbd, returning cnids.
1126 Uses in-value of cnid to seek to that cnid, then gets next and return that in cnid.
1127 If close=1, close cursor.
1128 Return -1 on error, 0 on EOD (end-of-database), 1 if returning cnid.
1130 int dbif_idwalk(DBD *dbd, cnid_t *cnid, int close)
1136 static DBT key = { 0 }, data = { 0 };
1137 DB *db = dbd->db_table[DBIF_CNID].db;
1141 dbd->db_cur->close(dbd->db_cur);
1147 /* An dbif_del will have closed our cursor too */
1148 if ( ! dbd->db_cur ) {
1149 if ((rc = db->cursor(db, NULL, &dbd->db_cur, 0)) != 0) {
1150 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(rc));
1153 flag = DB_SET_RANGE; /* This will seek to next cnid after the one just deleted */
1156 key.size = sizeof(cnid_t);
1160 if ((rc = dbd->db_cur->get(dbd->db_cur, &key, &data, flag)) == 0) {
1161 memcpy(cnid, key.data, sizeof(cnid_t));
1162 *cnid = ntohl(*cnid);
1166 if (rc != DB_NOTFOUND) {
1167 LOG(log_error, logtype_cnid, "Error iterating over btree: %s", db_strerror(rc));
1168 dbd->db_cur->close(dbd->db_cur);
1174 dbd->db_cur->close(dbd->db_cur);