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";
242 dbd->db_table[DBIF_CNID].type = DB_BTREE;
243 dbd->db_table[DBIF_IDX_DEVINO].type = DB_BTREE;
244 dbd->db_table[DBIF_IDX_DIDNAME].type = DB_BTREE;
246 dbd->db_table[DBIF_CNID].openflags = DB_CREATE;
247 dbd->db_table[DBIF_IDX_DEVINO].openflags = DB_CREATE;
248 dbd->db_table[DBIF_IDX_DIDNAME].openflags = DB_CREATE;
254 We must open the db_env with an absolute pathname, as `dbd` keeps chdir'ing, which
255 breaks e.g. bdb logfile-rotation with relative pathnames.
256 But still we use relative paths with upgrade_required() and the DB_ERRLOGFILE
257 in order to avoid creating absolute paths by copying. Both have no problem with
260 int dbif_env_open(DBD *dbd, struct db_param *dbp, uint32_t dbenv_oflags)
264 /* Refuse to do anything if this is an old version of the CNID database */
265 if (upgrade_required(dbd)) {
266 LOG(log_error, logtype_cnid, "Found version 1 of the CNID database. Please upgrade to version 2");
270 if ((ret = db_env_create(&dbd->db_env, 0))) {
271 LOG(log_error, logtype_cnid, "error creating DB environment: %s",
277 if ((dbif_openlog(dbd)) != 0)
280 if (dbenv_oflags & DB_RECOVER) {
282 LOG(log_debug, logtype_cnid, "Running recovery");
284 dbd->db_env->set_verbose(dbd->db_env, DB_VERB_RECOVERY, 1);
285 /* Open the database for recovery using DB_PRIVATE option which is faster */
286 if ((ret = dbd->db_env->open(dbd->db_env, dbd->db_envhome, dbenv_oflags | DB_PRIVATE, 0))) {
287 LOG(log_error, logtype_cnid, "error opening DB environment: %s",
289 dbd->db_env->close(dbd->db_env, 0);
293 dbenv_oflags = (dbenv_oflags & ~DB_RECOVER);
295 if (dbd->db_errlog != NULL)
296 fflush(dbd->db_errlog);
298 if ((ret = dbd->db_env->close(dbd->db_env, 0))) {
299 LOG(log_error, logtype_cnid, "error closing DB environment after recovery: %s",
304 dbd->db_errlog = NULL;
306 if ((ret = db_env_create(&dbd->db_env, 0))) {
307 LOG(log_error, logtype_cnid, "error creating DB environment after recovery: %s",
313 if ((dbif_openlog(dbd)) != 0)
316 LOG(log_debug, logtype_cnid, "Finished recovery.");
319 if ((ret = dbd->db_env->set_cachesize(dbd->db_env, 0, 1024 * dbp->cachesize, 0))) {
320 LOG(log_error, logtype_cnid, "error setting DB environment cachesize to %i: %s",
321 dbp->cachesize, db_strerror(ret));
322 dbd->db_env->close(dbd->db_env, 0);
327 if ((ret = dbd->db_env->open(dbd->db_env, dbd->db_envhome, dbenv_oflags, 0))) {
328 LOG(log_error, logtype_cnid, "error opening DB environment after recovery: %s",
330 dbd->db_env->close(dbd->db_env, 0);
335 if ((ret = dbd->db_env->set_flags(dbd->db_env, DB_AUTO_COMMIT, 1))) {
336 LOG(log_error, logtype_cnid, "error setting DB_AUTO_COMMIT flag: %s",
338 dbd->db_env->close(dbd->db_env, 0);
343 if (dbp->logfile_autoremove) {
344 if ((dbif_logautorem(dbd)) != 0)
347 #if DB_VERSION_MAJOR > 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 7)
348 if ((ret = dbd->db_env->log_set_config(dbd->db_env, DB_LOG_AUTO_REMOVE, 1))) {
349 LOG(log_error, logtype_cnid, "error setting DB_LOG_AUTO_REMOVE flag: %s",
351 dbd->db_env->close(dbd->db_env, 0);
356 if ((ret = dbd->db_env->set_flags(dbd->db_env, DB_LOG_AUTOREMOVE, 1))) {
357 LOG(log_error, logtype_cnid, "error setting DB_LOG_AUTOREMOVE flag: %s",
359 dbd->db_env->close(dbd->db_env, 0);
369 /* --------------- */
370 int dbif_open(DBD *dbd, struct db_param *dbp, int reindex)
377 /* Try to upgrade if it's a normal on-disk database */
378 if (dbd->db_envhome) {
380 if ((cwd = open(".", O_RDONLY)) < 0) {
381 LOG(log_error, logtype_cnid, "error opening cwd: %s", strerror(errno));
385 /* chdir to db_envhome. makes it easier checking for old db files and creating db_errlog file */
386 if ((chdir(dbd->db_envhome)) != 0) {
387 LOG(log_error, logtype_cnid, "error chdiring to db_env '%s': %s", dbd->db_envhome, strerror(errno));
391 if ((stat(dbd->db_filename, &st)) == 0) {
392 LOG(log_debug, logtype_cnid, "See if we can upgrade the CNID database...");
393 if ((ret = db_create(&upgrade_db, dbd->db_env, 0))) {
394 LOG(log_error, logtype_cnid, "error creating handle for database: %s", db_strerror(ret));
397 if ((ret = upgrade_db->upgrade(upgrade_db, dbd->db_filename, 0))) {
398 LOG(log_error, logtype_cnid, "error upgarding database: %s", db_strerror(ret));
401 if ((ret = upgrade_db->close(upgrade_db, 0))) {
402 LOG(log_error, logtype_cnid, "error closing database: %s", db_strerror(ret));
405 if ((ret = dbd->db_env->txn_checkpoint(dbd->db_env, 0, 0, DB_FORCE))) {
406 LOG(log_error, logtype_cnid, "error forcing checkpoint: %s", db_strerror(ret));
409 LOG(log_debug, logtype_cnid, "Finished CNID database upgrade check");
412 if ((fchdir(cwd)) != 0) {
413 LOG(log_error, logtype_cnid, "error chdiring back: %s", strerror(errno));
418 /* Now open databases ... */
419 for (i = 0; i != DBIF_DB_CNT; i++) {
420 if ((ret = db_create(&dbd->db_table[i].db, dbd->db_env, 0))) {
421 LOG(log_error, logtype_cnid, "error creating handle for database %s: %s",
422 dbd->db_table[i].name, db_strerror(ret));
426 if (dbd->db_table[i].flags) {
427 if ((ret = dbd->db_table[i].db->set_flags(dbd->db_table[i].db,
428 dbd->db_table[i].flags))) {
429 LOG(log_error, logtype_cnid, "error setting flags for database %s: %s",
430 dbd->db_table[i].name, db_strerror(ret));
435 if ( ! dbd->db_env) { /* In memory db */
436 if ((ret = dbd->db_table[i].db->set_cachesize(dbd->db_table[i].db,
439 4)) /* split in 4 memory chunks */
441 LOG(log_error, logtype_cnid, "error setting cachesize %u KB for database %s: %s",
442 dbp->cachesize / 1024, dbd->db_table[i].name, db_strerror(ret));
447 if (dbd->db_table[i].db->open(dbd->db_table[i].db,
450 dbd->db_table[i].name,
451 dbd->db_table[i].type,
452 dbd->db_table[i].openflags,
454 LOG(log_error, logtype_cnid, "Cant open database");
458 if (reindex && i > 0) {
459 LOG(log_info, logtype_cnid, "Truncating CNID index.");
460 if ((ret = dbd->db_table[i].db->truncate(dbd->db_table[i].db, NULL, &count, 0))) {
461 LOG(log_error, logtype_cnid, "error truncating database %s: %s",
462 dbd->db_table[i].name, db_strerror(ret));
468 /* TODO: Implement CNID DB versioning info on new databases. */
470 /* Associate the secondary with the primary. */
472 LOG(log_info, logtype_cnid, "Reindexing did/name index...");
473 if ((ret = dbd->db_table[0].db->associate(dbd->db_table[DBIF_CNID].db,
475 dbd->db_table[DBIF_IDX_DIDNAME].db,
477 (reindex) ? DB_CREATE : 0))
479 LOG(log_error, logtype_cnid, "Failed to associate didname database: %s",db_strerror(ret));
483 LOG(log_info, logtype_cnid, "... done.");
486 LOG(log_info, logtype_cnid, "Reindexing dev/ino index...");
487 if ((ret = dbd->db_table[0].db->associate(dbd->db_table[0].db,
489 dbd->db_table[DBIF_IDX_DEVINO].db,
491 (reindex) ? DB_CREATE : 0))
493 LOG(log_error, logtype_cnid, "Failed to associate devino database: %s",db_strerror(ret));
497 LOG(log_info, logtype_cnid, "... done.");
502 /* ------------------------ */
503 static int dbif_closedb(DBD *dbd)
509 for (i = DBIF_DB_CNT -1; i >= 0; i--) {
510 if (dbd->db_table[i].db != NULL && (ret = dbd->db_table[i].db->close(dbd->db_table[i].db, 0))) {
511 LOG(log_error, logtype_cnid, "error closing database %s: %s", dbd->db_table[i].name, db_strerror(ret));
520 /* ------------------------ */
521 int dbif_close(DBD *dbd)
526 if (dbif_closedb(dbd))
529 if (dbd->db_env != NULL && (ret = dbd->db_env->close(dbd->db_env, 0))) {
530 LOG(log_error, logtype_cnid, "error closing DB environment: %s", db_strerror(ret));
533 if (dbd->db_errlog != NULL && fclose(dbd->db_errlog) == EOF) {
534 LOG(log_error, logtype_cnid, "error closing DB logfile: %s", strerror(errno));
538 free(dbd->db_filename);
548 In order to support silent database upgrades:
549 destroy env at cnid_dbd shutdown.
551 int dbif_prep_upgrade(const char *path)
556 LOG(log_debug, logtype_cnid, "Reopening BerkeleyDB environment");
558 if (NULL == (dbd = dbif_init(path, "cnid2.db")))
561 /* Get db_env handle */
562 if ((ret = db_env_create(&dbd->db_env, 0))) {
563 LOG(log_error, logtype_cnid, "error creating DB environment: %s", db_strerror(ret));
568 if ((dbif_openlog(dbd)) != 0)
571 /* Open environment with recovery */
572 if ((ret = dbd->db_env->open(dbd->db_env,
574 DB_CREATE | DB_INIT_LOG | DB_INIT_MPOOL | DB_INIT_LOCK | DB_INIT_TXN | DB_RECOVER | DB_PRIVATE,
576 LOG(log_error, logtype_cnid, "error opening DB environment: %s",
578 dbd->db_env->close(dbd->db_env, 0);
583 if (dbd->db_errlog != NULL)
584 fflush(dbd->db_errlog);
586 /* Remove logfiles */
587 if ((ret = dbd->db_env->log_archive(dbd->db_env, NULL, DB_ARCH_REMOVE))) {
588 LOG(log_error, logtype_cnid, "error removing transaction logfiles: %s", db_strerror(ret));
592 if ((ret = dbd->db_env->close(dbd->db_env, 0))) {
593 LOG(log_error, logtype_cnid, "error closing DB environment after recovery: %s", db_strerror(ret));
598 LOG(log_debug, logtype_cnid, "BerkeleyDB environment recovery done.");
600 /* Get a new db_env handle and then remove environment */
601 if ((ret = db_env_create(&dbd->db_env, 0))) {
602 LOG(log_error, logtype_cnid, "error acquiring db_end handle: %s", db_strerror(ret));
606 if ((ret = dbd->db_env->remove(dbd->db_env, dbd->db_envhome, 0))) {
607 LOG(log_error, logtype_cnid, "error removing BerkeleyDB environment: %s", db_strerror(ret));
611 LOG(log_debug, logtype_cnid, "Removed BerkeleyDB environment.");
617 * The following three functions are wrappers for DB->get(), DB->put() and DB->del().
618 * All three return -1 on error. dbif_get()/dbif_del return 1 if the key was found and 0
619 * otherwise. dbif_put() returns 0 if key/val was successfully updated and 1 if
620 * the DB_NOOVERWRITE flag was specified and the key already exists.
622 * All return codes other than DB_NOTFOUND and DB_KEYEXIST from the DB->()
623 * functions are not expected and therefore error conditions.
626 int dbif_get(DBD *dbd, const int dbi, DBT *key, DBT *val, u_int32_t flags)
630 ret = dbd->db_table[dbi].db->get(dbd->db_table[dbi].db,
636 if (ret == DB_NOTFOUND)
639 LOG(log_error, logtype_cnid, "error retrieving value from %s: %s",
640 dbd->db_table[dbi].name, db_strerror(ret));
646 /* search by secondary return primary */
647 int dbif_pget(DBD *dbd, const int dbi, DBT *key, DBT *pkey, DBT *val, u_int32_t flags)
651 ret = dbd->db_table[dbi].db->pget(dbd->db_table[dbi].db,
658 if (ret == DB_NOTFOUND || ret == DB_SECONDARY_BAD) {
662 LOG(log_error, logtype_cnid, "error retrieving value from %s: %s",
663 dbd->db_table[dbi].name, db_strerror(ret));
669 /* -------------------------- */
670 int dbif_put(DBD *dbd, const int dbi, DBT *key, DBT *val, u_int32_t flags)
674 if (dbif_txn_begin(dbd) < 0) {
675 LOG(log_error, logtype_cnid, "error setting key/value in %s", dbd->db_table[dbi].name);
679 ret = dbd->db_table[dbi].db->put(dbd->db_table[dbi].db,
687 if ((flags & DB_NOOVERWRITE) && ret == DB_KEYEXIST) {
690 LOG(log_error, logtype_cnid, "error setting key/value in %s: %s",
691 dbd->db_table[dbi].name, db_strerror(ret));
698 int dbif_del(DBD *dbd, const int dbi, DBT *key, u_int32_t flags)
702 /* For cooperation with the dbd utility and its usage of a cursor */
704 dbd->db_cur->close(dbd->db_cur);
708 if (dbif_txn_begin(dbd) < 0) {
709 LOG(log_error, logtype_cnid, "error deleting key/value from %s", dbd->db_table[dbi].name);
713 ret = dbd->db_table[dbi].db->del(dbd->db_table[dbi].db,
718 if (ret == DB_NOTFOUND || ret == DB_SECONDARY_BAD)
721 LOG(log_error, logtype_cnid, "error deleting key/value from %s: %s",
722 dbd->db_table[dbi].name, db_strerror(ret));
728 int dbif_txn_begin(DBD *dbd)
732 /* If we already have an active txn, just return */
736 /* If our DBD has no env, just return (-> in memory db) */
737 if (dbd->db_env == NULL)
740 ret = dbd->db_env->txn_begin(dbd->db_env, NULL, &dbd->db_txn, 0);
743 LOG(log_error, logtype_cnid, "error starting transaction: %s", db_strerror(ret));
749 int dbif_txn_commit(DBD *dbd)
756 /* If our DBD has no env, just return (-> in memory db) */
757 if (dbd->db_env == NULL)
760 ret = dbd->db_txn->commit(dbd->db_txn, 0);
764 LOG(log_error, logtype_cnid, "error committing transaction: %s", db_strerror(ret));
770 int dbif_txn_abort(DBD *dbd)
777 /* If our DBD has no env, just return (-> in memory db) */
778 if (dbd->db_env == NULL)
781 ret = dbd->db_txn->abort(dbd->db_txn);
785 LOG(log_error, logtype_cnid, "error aborting transaction: %s", db_strerror(ret));
792 ret = 1 -> commit txn
793 ret = 0 -> abort txn -> exit!
794 anything else -> exit!
796 void dbif_txn_close(DBD *dbd, int ret)
799 if (dbif_txn_abort(dbd) < 0) {
800 LOG( log_error, logtype_cnid, "Fatal error aborting transaction. Exiting!");
803 } else if (ret == 1) {
804 ret = dbif_txn_commit(dbd);
806 LOG( log_error, logtype_cnid, "Fatal error committing transaction. Exiting!");
813 int dbif_txn_checkpoint(DBD *dbd, u_int32_t kbyte, u_int32_t min, u_int32_t flags)
816 ret = dbd->db_env->txn_checkpoint(dbd->db_env, kbyte, min, flags);
818 LOG(log_error, logtype_cnid, "error checkpointing transaction susystem: %s", db_strerror(ret));
824 int dbif_count(DBD *dbd, const int dbi, u_int32_t *count)
828 DB *db = dbd->db_table[dbi].db;
830 ret = db->stat(db, NULL, &sp, 0);
833 LOG(log_error, logtype_cnid, "error getting stat infotmation on database: %s", db_strerror(ret));
837 *count = sp->bt_ndata;
843 int dbif_copy_rootinfokey(DBD *srcdbd, DBD *destdbd)
848 memset(&key, 0, sizeof(key));
849 memset(&data, 0, sizeof(data));
851 key.data = ROOTINFO_KEY;
852 key.size = ROOTINFO_KEYLEN;
854 if ((rc = dbif_get(srcdbd, DBIF_CNID, &key, &data, 0)) <= 0) {
855 LOG(log_error, logtype_cnid, "dbif_copy_rootinfokey: Error getting rootinfo record");
859 memset(&key, 0, sizeof(key));
860 key.data = ROOTINFO_KEY;
861 key.size = ROOTINFO_KEYLEN;
863 if ((rc = dbif_put(destdbd, DBIF_CNID, &key, &data, 0))) {
864 LOG(log_error, logtype_cnid, "dbif_copy_rootinfokey: Error writing rootinfo key");
871 int dbif_dump(DBD *dbd, int dumpindexes)
874 uint32_t max = 0, count = 0, cnid, type, did, lastid;
878 DBT key = { 0 }, data = { 0 };
879 DB *db = dbd->db_table[DBIF_CNID].db;
880 char *typestring[2] = {"f", "d"};
883 printf("CNID database dump:\n");
885 rc = db->cursor(db, NULL, &cur, 0);
887 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(rc));
891 cur->c_get(cur, &key, &data, DB_FIRST);
893 /* Parse and print data */
894 memcpy(&cnid, key.data, 4);
899 /* Rootinfo node ? */
901 memcpy(&stamp, (char *)data.data + 4, sizeof(time_t));
902 memcpy(&lastid, (char *)data.data + 20, sizeof(cnid_t));
903 lastid = ntohl(lastid);
904 strftime(timebuf, sizeof(timebuf), "%b %d %Y %H:%M:%S", localtime(&stamp));
905 printf("dbd stamp: 0x%08x (%s), next free CNID: %u\n", (unsigned int)stamp, timebuf, lastid + 1);
908 memcpy(&dev, (char *)data.data + CNID_DEV_OFS, 8);
911 memcpy(&ino, (char *)data.data + CNID_INO_OFS, 8);
914 memcpy(&type, (char *)data.data + CNID_TYPE_OFS, 4);
917 memcpy(&did, (char *)data.data + CNID_DID_OFS, 4);
921 printf("id: %10u, did: %10u, type: %s, dev: 0x%llx, ino: 0x%016llx, name: %s\n",
922 cnid, did, typestring[type],
923 (long long unsigned int)dev, (long long unsigned int)ino,
924 (char *)data.data + CNID_NAME_OFS);
928 rc = cur->c_get(cur, &key, &data, DB_NEXT);
931 if (rc != DB_NOTFOUND) {
932 LOG(log_error, logtype_cnid, "Error iterating over btree: %s", db_strerror(rc));
936 rc = cur->c_close(cur);
938 LOG(log_error, logtype_cnid, "Couldn't close cursor: %s", db_strerror(rc));
941 printf("%u CNIDs in database. Max CNID: %u.\n", count, max);
943 /* Dump indexes too ? */
945 /* DBIF_IDX_DEVINO */
946 printf("\ndev/inode index:\n");
948 db = dbd->db_table[DBIF_IDX_DEVINO].db;
949 rc = db->cursor(db, NULL, &cur, 0);
951 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(rc));
955 cur->c_get(cur, &key, &data, DB_FIRST);
957 /* Parse and print data */
960 memcpy(&cnid, data.data, CNID_LEN);
966 memcpy(&dev, key.data, CNID_DEV_LEN);
969 memcpy(&ino, (char *)key.data + CNID_DEV_LEN, CNID_INO_LEN);
972 printf("id: %10u <== dev: 0x%llx, ino: 0x%016llx\n",
973 cnid, (unsigned long long int)dev, (unsigned long long int)ino);
976 rc = cur->c_get(cur, &key, &data, DB_NEXT);
978 if (rc != DB_NOTFOUND) {
979 LOG(log_error, logtype_cnid, "Error iterating over btree: %s", db_strerror(rc));
983 rc = cur->c_close(cur);
985 LOG(log_error, logtype_cnid, "Couldn't close cursor: %s", db_strerror(rc));
988 printf("%u items\n", count);
990 /* Now dump DBIF_IDX_DIDNAME */
991 printf("\ndid/name index:\n");
993 db = dbd->db_table[DBIF_IDX_DIDNAME].db;
994 rc = db->cursor(db, NULL, &cur, 0);
996 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(rc));
1000 cur->c_get(cur, &key, &data, DB_FIRST);
1002 /* Parse and print data */
1005 memcpy(&cnid, data.data, CNID_LEN);
1011 memcpy(&did, key.data, CNID_LEN);
1014 printf("id: %10u <== did: %10u, name: %s\n", cnid, did, (char *)key.data + CNID_LEN);
1017 rc = cur->c_get(cur, &key, &data, DB_NEXT);
1019 if (rc != DB_NOTFOUND) {
1020 LOG(log_error, logtype_cnid, "Error iterating over btree: %s", db_strerror(rc));
1024 rc = cur->c_close(cur);
1026 LOG(log_error, logtype_cnid, "Couldn't close cursor: %s", db_strerror(rc));
1029 printf("%u items\n", count);
1036 Iterates over dbd, returning cnids.
1037 Uses in-value of cnid to seek to that cnid, then gets next and return that in cnid.
1038 If close=1, close cursor.
1039 Return -1 on error, 0 on EOD (end-of-database), 1 if returning cnid.
1041 int dbif_idwalk(DBD *dbd, cnid_t *cnid, int close)
1047 static DBT key = { 0 }, data = { 0 };
1048 DB *db = dbd->db_table[DBIF_CNID].db;
1052 dbd->db_cur->close(dbd->db_cur);
1058 /* An dbif_del will have closed our cursor too */
1059 if ( ! dbd->db_cur ) {
1060 if ((rc = db->cursor(db, NULL, &dbd->db_cur, 0)) != 0) {
1061 LOG(log_error, logtype_cnid, "Couldn't create cursor: %s", db_strerror(rc));
1064 flag = DB_SET_RANGE; /* This will seek to next cnid after the one just deleted */
1067 key.size = sizeof(cnid_t);
1071 if ((rc = dbd->db_cur->get(dbd->db_cur, &key, &data, flag)) == 0) {
1072 memcpy(cnid, key.data, sizeof(cnid_t));
1073 *cnid = ntohl(*cnid);
1077 if (rc != DB_NOTFOUND) {
1078 LOG(log_error, logtype_cnid, "Error iterating over btree: %s", db_strerror(rc));
1079 dbd->db_cur->close(dbd->db_cur);
1085 dbd->db_cur->close(dbd->db_cur);