2 * This is a data store backend for the Citadel server which uses Berkeley DB.
4 * Copyright (c) 1987-2018 by the citadel.org team
6 * This program is open source software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License version 3.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
15 /*****************************************************************************
16 Tunable configuration parameters for the Berkeley DB back end
17 *****************************************************************************/
19 /* Citadel will checkpoint the db at the end of every session, but only if
20 * the specified number of kilobytes has been written, or if the specified
21 * number of minutes has passed, since the last checkpoint.
23 #define MAX_CHECKPOINT_KBYTES 256
24 #define MAX_CHECKPOINT_MINUTES 15
26 /*****************************************************************************/
38 #elif defined(HAVE_DB4_DB_H)
41 #error Neither <db.h> nor <db5/db.h> was found by configure. Install db5-devel.
44 #if DB_VERSION_MAJOR < 5
45 #error Citadel requires Berkeley DB v5.0 or newer. Please upgrade.
48 #include <libcitadel.h>
50 #include "ctdl_module.h"
52 #include "citserver.h"
55 static DB *dbp[MAXCDB]; /* One DB handle for each Citadel database */
56 static DB_ENV *dbenv; /* The DB environment (global) */
61 syslog(LOG_DEBUG, "db: citserver is stopping in order to prevent data loss. uid=%d gid=%d euid=%d egid=%d",
62 getuid(), getgid(), geteuid(), getegid()
68 /* Verbose logging callback */
69 void cdb_verbose_log(const DB_ENV * dbenv, const char *msg)
71 if (!IsEmptyStr(msg)) {
72 syslog(LOG_DEBUG, "db: %s", msg);
77 /* Verbose logging callback */
78 void cdb_verbose_err(const DB_ENV * dbenv, const char *errpfx, const char *msg)
80 syslog(LOG_ERR, "db: %s", msg);
84 /* just a little helper function */
85 static void txabort(DB_TXN * tid)
89 ret = tid->abort(tid);
92 syslog(LOG_ERR, "db: txn_abort: %s", db_strerror(ret));
98 /* this one is even more helpful than the last. */
99 static void txcommit(DB_TXN * tid)
103 ret = tid->commit(tid, 0);
106 syslog(LOG_ERR, "db: txn_commit: %s", db_strerror(ret));
112 /* are you sensing a pattern yet? */
113 static void txbegin(DB_TXN ** tid)
117 ret = dbenv->txn_begin(dbenv, NULL, tid, 0);
120 syslog(LOG_ERR, "db: txn_begin: %s", db_strerror(ret));
126 static void dbpanic(DB_ENV * env, int errval)
128 syslog(LOG_ERR, "db: PANIC: %s", db_strerror(errval));
132 static void cclose(DBC * cursor)
136 if ((ret = cursor->c_close(cursor))) {
137 syslog(LOG_ERR, "db: c_close: %s", db_strerror(ret));
143 static void bailIfCursor(DBC ** cursors, const char *msg)
147 for (i = 0; i < MAXCDB; i++)
148 if (cursors[i] != NULL) {
149 syslog(LOG_ERR, "db: cursor still in progress on cdb %02x: %s", i, msg);
155 void cdb_check_handles(void)
157 bailIfCursor(TSD->cursors, "in check_handles");
159 if (TSD->tid != NULL) {
160 syslog(LOG_ERR, "db: transaction still in progress!");
167 * Cull the database logs by removing log files that are no longer needed.
168 * Note: this code will be removed once we are confident that Berkeley DB can do this on its own.
170 void cdb_cull_logs(void)
172 #ifndef DB_LOG_AUTO_REMOVE
180 /* Get the list of names. */
181 if ((ret = dbenv->log_archive(dbenv, &list, flags)) != 0) {
182 syslog(LOG_ERR, "db: cdb_cull_logs() %s", db_strerror(ret));
186 /* Print the list of names. */
188 for (file = list; *file != NULL; ++file) {
189 syslog(LOG_DEBUG, "db: deleting log %s", *file);
192 snprintf(errmsg, sizeof(errmsg),
193 " ** ERROR **\n \n \n "
194 "Citadel was unable to delete the "
195 "database log file '%s' because of the "
196 "following error:\n \n %s\n \n"
197 " This log file is no longer in use "
198 "and may be safely deleted.\n", *file, strerror(errno));
199 CtdlAideMessage(errmsg, "Database Warning Message");
204 #endif /* DB_LOG_AUTO_REMOVE */
209 * Request a checkpoint of the database. Called once per minute by the thread manager.
211 void cdb_checkpoint(void)
215 syslog(LOG_DEBUG, "db: -- checkpoint --");
216 ret = dbenv->txn_checkpoint(dbenv, MAX_CHECKPOINT_KBYTES, MAX_CHECKPOINT_MINUTES, 0);
219 syslog(LOG_ERR, "db: cdb_checkpoint() txn_checkpoint: %s", db_strerror(ret));
223 /* After a successful checkpoint, we can cull the unused logs */
224 if (CtdlGetConfigInt("c_auto_cull")) {
225 #ifdef DB_LOG_AUTO_REMOVE
226 // This version of Berkeley DB can cull the logs on its own!
227 ret = dbenv->log_set_config(dbenv, DB_LOG_AUTO_REMOVE, 1);
229 cdb_cull_logs(); // Citadel knows how to do it too.
232 #ifdef DB_LOG_AUTO_REMOVE
234 ret = dbenv->log_set_config(dbenv, DB_LOG_AUTO_REMOVE, 0);
241 * Open the various databases we'll be using. Any database which
242 * does not exist should be created. Note that we don't need a
243 * critical section here, because there aren't any active threads
244 * manipulating the database yet.
246 void open_databases(void)
252 int dbversion_major, dbversion_minor, dbversion_patch;
254 syslog(LOG_DEBUG, "db: open_databases() starting");
255 syslog(LOG_DEBUG, "db: Compiled libdb: %s", DB_VERSION_STRING);
256 syslog(LOG_DEBUG, "db: Linked libdb: %s", db_version(&dbversion_major, &dbversion_minor, &dbversion_patch));
257 syslog(LOG_DEBUG, "db: Linked zlib: %s", zlibVersion());
260 * Silently try to create the database subdirectory. If it's
261 * already there, no problem.
263 if ((mkdir(ctdl_data_dir, 0700) != 0) && (errno != EEXIST)) {
264 syslog(LOG_ERR, "db: unable to create database directory [%s]: %m", ctdl_data_dir);
266 if (chmod(ctdl_data_dir, 0700) != 0) {
267 syslog(LOG_ERR, "db: unable to set database directory accessrights [%s]: %m", ctdl_data_dir);
269 if (chown(ctdl_data_dir, CTDLUID, (-1)) != 0) {
270 syslog(LOG_ERR, "db: unable to set the owner for [%s]: %m", ctdl_data_dir);
272 syslog(LOG_DEBUG, "db: Setting up DB environment\n");
273 /* db_env_set_func_yield((int (*)(u_long, u_long))sched_yield); */
274 ret = db_env_create(&dbenv, 0);
276 syslog(LOG_ERR, "db: db_env_create: %s", db_strerror(ret));
277 syslog(LOG_ERR, "db: exit code %d", ret);
280 dbenv->set_errpfx(dbenv, "citserver");
281 dbenv->set_paniccall(dbenv, dbpanic);
282 dbenv->set_errcall(dbenv, cdb_verbose_err);
283 dbenv->set_errpfx(dbenv, "ctdl");
284 dbenv->set_msgcall(dbenv, cdb_verbose_log);
285 dbenv->set_verbose(dbenv, DB_VERB_DEADLOCK, 1);
286 dbenv->set_verbose(dbenv, DB_VERB_RECOVERY, 1);
289 * We want to specify the shared memory buffer pool cachesize,
290 * but everything else is the default.
292 ret = dbenv->set_cachesize(dbenv, 0, 64 * 1024, 0);
294 syslog(LOG_ERR, "db: set_cachesize: %s", db_strerror(ret));
295 dbenv->close(dbenv, 0);
296 syslog(LOG_ERR, "db: exit code %d", ret);
300 if ((ret = dbenv->set_lk_detect(dbenv, DB_LOCK_DEFAULT))) {
301 syslog(LOG_ERR, "db: set_lk_detect: %s", db_strerror(ret));
302 dbenv->close(dbenv, 0);
303 syslog(LOG_ERR, "db: exit code %d", ret);
307 flags = DB_CREATE | DB_INIT_MPOOL | DB_PRIVATE | DB_INIT_TXN | DB_INIT_LOCK | DB_THREAD | DB_INIT_LOG;
308 syslog(LOG_DEBUG, "db: dbenv->open(dbenv, %s, %d, 0)", ctdl_data_dir, flags);
309 ret = dbenv->open(dbenv, ctdl_data_dir, flags, 0);
310 if (ret == DB_RUNRECOVERY) {
311 syslog(LOG_ERR, "db: dbenv->open: %s", db_strerror(ret));
312 syslog(LOG_ERR, "db: attempting recovery...");
314 ret = dbenv->open(dbenv, ctdl_data_dir, flags, 0);
316 if (ret == DB_RUNRECOVERY) {
317 syslog(LOG_ERR, "db: dbenv->open: %s", db_strerror(ret));
318 syslog(LOG_ERR, "db: attempting catastrophic recovery...");
319 flags &= ~DB_RECOVER;
320 flags |= DB_RECOVER_FATAL;
321 ret = dbenv->open(dbenv, ctdl_data_dir, flags, 0);
324 syslog(LOG_ERR, "db: dbenv->open: %s", db_strerror(ret));
325 dbenv->close(dbenv, 0);
326 syslog(LOG_ERR, "db: exit code %d", ret);
330 syslog(LOG_INFO, "db: mounting databases");
332 for (i = 0; i < MAXCDB; ++i) {
334 /* Create a database handle */
335 ret = db_create(&dbp[i], dbenv, 0);
337 syslog(LOG_ERR, "db: db_create: %s", db_strerror(ret));
338 syslog(LOG_ERR, "db: exit code %d", ret);
343 /* Arbitrary names for our tables -- we reference them by
344 * number, so we don't have string names for them.
346 snprintf(dbfilename, sizeof dbfilename, "cdb.%02x", i);
348 ret = dbp[i]->open(dbp[i], NULL, dbfilename, NULL, DB_BTREE, DB_CREATE | DB_AUTO_COMMIT | DB_THREAD, 0600);
350 syslog(LOG_ERR, "db: db_open[%02x]: %s", i, db_strerror(ret));
353 "db: You may need to tune your database; please read http://www.citadel.org/doku.php?id=faq:troubleshooting:out_of_lock_entries for more information.");
355 syslog(LOG_ERR, "db: exit code %d", ret);
363 /* Make sure we own all the files, because in a few milliseconds
364 * we're going to drop root privs.
366 void cdb_chmod_data(void)
370 char filename[PATH_MAX];
372 dp = opendir(ctdl_data_dir);
374 while (d = readdir(dp), d != NULL) {
375 if (d->d_name[0] != '.') {
376 snprintf(filename, sizeof filename, "%s/%s", ctdl_data_dir, d->d_name);
377 syslog(LOG_DEBUG, "db: chmod(%s, 0600) returned %d", filename, chmod(filename, 0600));
378 syslog(LOG_DEBUG, "db: chown(%s, CTDLUID, -1) returned %d",
379 filename, chown(filename, CTDLUID, (-1))
386 syslog(LOG_DEBUG, "db: open_databases() finished");
391 * Close all of the db database files we've opened. This can be done
392 * in a loop, since it's just a bunch of closes.
394 void close_databases(void)
399 syslog(LOG_INFO, "db: performing final checkpoint");
400 if ((ret = dbenv->txn_checkpoint(dbenv, 0, 0, 0))) {
401 syslog(LOG_ERR, "txn_checkpoint: %s", db_strerror(ret));
404 syslog(LOG_INFO, "db: flushing the database logs");
405 if ((ret = dbenv->log_flush(dbenv, NULL))) {
406 syslog(LOG_ERR, "db: log_flush: %s", db_strerror(ret));
409 /* print some statistics... */
411 dbenv->lock_stat_print(dbenv, DB_STAT_ALL);
414 /* close the tables */
415 for (a = 0; a < MAXCDB; ++a) {
416 syslog(LOG_INFO, "db: closing database %02x", a);
417 ret = dbp[a]->close(dbp[a], 0);
419 syslog(LOG_ERR, "db: db_close: %s", db_strerror(ret));
424 /* Close the handle. */
425 ret = dbenv->close(dbenv, 0);
427 syslog(LOG_EMERG, "db: DBENV->close: %s", db_strerror(ret));
433 * Decompress a database item if it was compressed on disk
435 void cdb_decompress_if_necessary(struct cdbdata *cdb)
437 static int magic = COMPRESS_MAGIC;
439 if ((cdb == NULL) || (cdb->ptr == NULL) || (cdb->len < sizeof(magic)) || (memcmp(cdb->ptr, &magic, sizeof(magic)))) {
443 /* At this point we know we're looking at a compressed item. */
445 struct CtdlCompressHeader zheader;
446 char *uncompressed_data;
447 char *compressed_data;
448 uLongf destLen, sourceLen;
451 memset(&zheader, 0, sizeof(struct CtdlCompressHeader));
452 cplen = sizeof(struct CtdlCompressHeader);
453 if (sizeof(struct CtdlCompressHeader) > cdb->len)
455 memcpy(&zheader, cdb->ptr, cplen);
457 compressed_data = cdb->ptr;
458 compressed_data += sizeof(struct CtdlCompressHeader);
460 sourceLen = (uLongf) zheader.compressed_len;
461 destLen = (uLongf) zheader.uncompressed_len;
462 uncompressed_data = malloc(zheader.uncompressed_len);
464 if (uncompress((Bytef *) uncompressed_data,
465 (uLongf *) & destLen, (const Bytef *) compressed_data, (uLong) sourceLen) != Z_OK) {
466 syslog(LOG_EMERG, "db: uncompress() error");
471 cdb->len = (size_t) destLen;
472 cdb->ptr = uncompressed_data;
477 * Store a piece of data. Returns 0 if the operation was successful. If a
478 * key already exists it should be overwritten.
480 int cdb_store(int cdb, const void *ckey, int ckeylen, void *cdata, int cdatalen)
487 struct CtdlCompressHeader zheader;
488 char *compressed_data = NULL;
490 size_t buffer_len = 0;
493 memset(&dkey, 0, sizeof(DBT));
494 memset(&ddata, 0, sizeof(DBT));
496 dkey.data = (void *) ckey;
497 ddata.size = cdatalen;
500 /* Only compress Visit and UseTable records. Everything else is uncompressed. */
501 if ((cdb == CDB_VISIT) || (cdb == CDB_USETABLE)) {
503 zheader.magic = COMPRESS_MAGIC;
504 zheader.uncompressed_len = cdatalen;
505 buffer_len = ((cdatalen * 101) / 100) + 100 + sizeof(struct CtdlCompressHeader);
506 destLen = (uLongf) buffer_len;
507 compressed_data = malloc(buffer_len);
508 if (compress2((Bytef *) (compressed_data + sizeof(struct CtdlCompressHeader)),
509 &destLen, (Bytef *) cdata, (uLongf) cdatalen, 1) != Z_OK) {
510 syslog(LOG_EMERG, "db: compress2() error");
513 zheader.compressed_len = (size_t) destLen;
514 memcpy(compressed_data, &zheader, sizeof(struct CtdlCompressHeader));
515 ddata.size = (size_t) (sizeof(struct CtdlCompressHeader) + zheader.compressed_len);
516 ddata.data = compressed_data;
519 if (TSD->tid != NULL) {
520 ret = dbp[cdb]->put(dbp[cdb], /* db */
521 TSD->tid, /* transaction ID */
527 syslog(LOG_EMERG, "db: cdb_store(%d): %s", cdb, db_strerror(ret));
531 free(compressed_data);
535 bailIfCursor(TSD->cursors, "attempt to write during r/o cursor");
540 if ((ret = dbp[cdb]->put(dbp[cdb], /* db */
541 tid, /* transaction ID */
545 if (ret == DB_LOCK_DEADLOCK) {
549 syslog(LOG_EMERG, "db: cdb_store(%d): %s", cdb, db_strerror(ret));
555 free(compressed_data);
565 * Delete a piece of data. Returns 0 if the operation was successful.
567 int cdb_delete(int cdb, void *key, int keylen)
574 memset(&dkey, 0, sizeof dkey);
578 if (TSD->tid != NULL) {
579 ret = dbp[cdb]->del(dbp[cdb], TSD->tid, &dkey, 0);
581 syslog(LOG_EMERG, "db: cdb_delete(%d): %s", cdb, db_strerror(ret));
582 if (ret != DB_NOTFOUND) {
587 bailIfCursor(TSD->cursors, "attempt to delete during r/o cursor");
592 if ((ret = dbp[cdb]->del(dbp[cdb], tid, &dkey, 0)) && ret != DB_NOTFOUND) {
593 if (ret == DB_LOCK_DEADLOCK) {
597 syslog(LOG_EMERG, "db: cdb_delete(%d): %s", cdb, db_strerror(ret));
608 static DBC *localcursor(int cdb)
613 if (TSD->cursors[cdb] == NULL) {
614 ret = dbp[cdb]->cursor(dbp[cdb], TSD->tid, &curs, 0);
617 ret = TSD->cursors[cdb]->c_dup(TSD->cursors[cdb], &curs, DB_POSITION);
621 syslog(LOG_EMERG, "db: localcursor: %s", db_strerror(ret));
630 * Fetch a piece of data. If not found, returns NULL. Otherwise, it returns
631 * a struct cdbdata which it is the caller's responsibility to free later on
632 * using the cdb_free() routine.
634 struct cdbdata *cdb_fetch(int cdb, const void *key, int keylen)
636 struct cdbdata *tempcdb;
640 memset(&dkey, 0, sizeof(DBT));
642 dkey.data = (void *) key;
644 if (TSD->tid != NULL) {
645 memset(&dret, 0, sizeof(DBT));
646 dret.flags = DB_DBT_MALLOC;
647 ret = dbp[cdb]->get(dbp[cdb], TSD->tid, &dkey, &dret, 0);
652 memset(&dret, 0, sizeof(DBT));
653 dret.flags = DB_DBT_MALLOC;
655 curs = localcursor(cdb);
657 ret = curs->c_get(curs, &dkey, &dret, DB_SET);
660 while (ret == DB_LOCK_DEADLOCK);
664 if ((ret != 0) && (ret != DB_NOTFOUND)) {
665 syslog(LOG_EMERG, "db: cdb_fetch(%d): %s", cdb, db_strerror(ret));
673 tempcdb = (struct cdbdata *) malloc(sizeof(struct cdbdata));
675 if (tempcdb == NULL) {
676 syslog(LOG_EMERG, "db: cdb_fetch: Cannot allocate memory for tempcdb");
678 return NULL; /* make it easier for static analysis... */
680 tempcdb->len = dret.size;
681 tempcdb->ptr = dret.data;
682 cdb_decompress_if_necessary(tempcdb);
689 * Free a cdbdata item.
691 * Note that we only free the 'ptr' portion if it is not NULL. This allows
692 * other code to assume ownership of that memory simply by storing the
693 * pointer elsewhere and then setting 'ptr' to NULL. cdb_free() will then
696 void cdb_free(struct cdbdata *cdb)
705 void cdb_close_cursor(int cdb)
707 if (TSD->cursors[cdb] != NULL) {
708 cclose(TSD->cursors[cdb]);
711 TSD->cursors[cdb] = NULL;
716 * Prepare for a sequential search of an entire database.
717 * (There is guaranteed to be no more than one traversal in
718 * progress per thread at any given time.)
720 void cdb_rewind(int cdb)
724 if (TSD->cursors[cdb] != NULL) {
725 syslog(LOG_EMERG, "db: cdb_rewind: must close cursor on database %d before reopening", cdb);
727 /* cclose(TSD->cursors[cdb]); */
731 * Now initialize the cursor
733 ret = dbp[cdb]->cursor(dbp[cdb], TSD->tid, &TSD->cursors[cdb], 0);
735 syslog(LOG_EMERG, "db: cdb_rewind: db_cursor: %s", db_strerror(ret));
742 * Fetch the next item in a sequential search. Returns a pointer to a
743 * cdbdata structure, or NULL if we've hit the end.
745 struct cdbdata *cdb_next_item(int cdb)
748 struct cdbdata *cdbret;
751 /* Initialize the key/data pair so the flags aren't set. */
752 memset(&key, 0, sizeof(key));
753 memset(&data, 0, sizeof(data));
754 data.flags = DB_DBT_MALLOC;
756 ret = TSD->cursors[cdb]->c_get(TSD->cursors[cdb], &key, &data, DB_NEXT);
759 if (ret != DB_NOTFOUND) {
760 syslog(LOG_EMERG, "db: cdb_next_item(%d): %s", cdb, db_strerror(ret));
763 cdb_close_cursor(cdb);
764 return NULL; /* presumably, end of file */
767 cdbret = (struct cdbdata *) malloc(sizeof(struct cdbdata));
768 cdbret->len = data.size;
769 cdbret->ptr = data.data;
770 cdb_decompress_if_necessary(cdbret);
777 * Transaction-based stuff. I'm writing this as I bake cookies...
779 void cdb_begin_transaction(void)
782 bailIfCursor(TSD->cursors, "can't begin transaction during r/o cursor");
784 if (TSD->tid != NULL) {
785 syslog(LOG_EMERG, "db: cdb_begin_transaction: ERROR: nested transaction");
793 void cdb_end_transaction(void)
797 for (i = 0; i < MAXCDB; i++)
798 if (TSD->cursors[i] != NULL) {
799 syslog(LOG_WARNING, "db: cdb_end_transaction: WARNING: cursor %d still open at transaction end", i);
800 cclose(TSD->cursors[i]);
801 TSD->cursors[i] = NULL;
804 if (TSD->tid == NULL) {
805 syslog(LOG_ERR, "db: cdb_end_transaction: ERROR: txcommit(NULL) !!");
816 * Truncate (delete every record)
818 void cdb_trunc(int cdb)
824 if (TSD->tid != NULL) {
825 syslog(LOG_EMERG, "db: cdb_trunc must not be called in a transaction.");
828 bailIfCursor(TSD->cursors, "attempt to write during r/o cursor");
833 if ((ret = dbp[cdb]->truncate(dbp[cdb], /* db */
834 NULL, /* transaction ID */
835 &count, /* #rows deleted */
837 if (ret == DB_LOCK_DEADLOCK) {
841 syslog(LOG_EMERG, "db: cdb_truncate(%d): %s", cdb, db_strerror(ret));
844 "db: You may need to tune your database; please read http://www.citadel.org/doku.php?id=faq:troubleshooting:out_of_lock_entries for more information.");
856 * compact (defragment) the database , possibly returning space back to the underlying filesystem
858 void cdb_compact(void)
863 syslog(LOG_DEBUG, "db: cdb_compact() started");
864 for (i = 0; i < MAXCDB; i++) {
865 syslog(LOG_DEBUG, "db: compacting database %d", i);
866 ret = dbp[i]->compact(dbp[i], NULL, NULL, NULL, NULL, DB_FREE_SPACE, NULL);
868 syslog(LOG_ERR, "db: compact: %s", db_strerror(ret));
871 syslog(LOG_DEBUG, "db: cdb_compact() finished");
875 // Has an item already been seen (is it in the CDB_USETABLE) ?
876 // Returns 0 if it hasn't, 1 if it has
877 // In either case, writes the item to the database for next time.
878 int CheckIfAlreadySeen(StrBuf *guid)
882 struct cdbdata *cdbut;
884 syslog(LOG_DEBUG, "db: CheckIfAlreadySeen(%s)", ChrPtr(guid));
885 cdbut = cdb_fetch(CDB_USETABLE, SKEY(guid));
891 /* (Re)write the record, to update the timestamp. Zeroing it out makes it compress better. */
892 memset(&ut, 0, sizeof(struct UseTable));
893 memcpy(ut.ut_msgid, SKEY(guid));
894 ut.ut_timestamp = time(NULL);
895 cdb_store(CDB_USETABLE, SKEY(guid), &ut, sizeof(struct UseTable));
900 void cmd_rsen(char *argbuf)
907 struct cdbdata *cdbut;
909 if (CtdlAccessCheck(ac_aide)) {
913 TLen = extract_token(Token, argbuf, 1, '|', sizeof Token);
914 if (strncmp(argbuf, "GET", 3) == 0) {
915 cdbut = cdb_fetch(CDB_USETABLE, Token, TLen);
917 memcpy(&ut, cdbut->ptr, ((cdbut->len > sizeof(struct UseTable)) ? sizeof(struct UseTable) : cdbut->len));
919 cprintf("%d %ld\n", CIT_OK, ut.ut_timestamp);
921 cprintf("%d not found\n", ERROR + NOT_HERE);
924 } else if (strncmp(argbuf, "SET", 3) == 0) {
925 memcpy(ut.ut_msgid, Token, TLen);
926 extract_token(Time, argbuf, 2, '|', sizeof Time);
927 ut.ut_timestamp = atol(Time);
928 cdb_store(CDB_USETABLE, Token, TLen, &ut, sizeof(struct UseTable));
929 cprintf("%d token updated\n", CIT_OK);
930 } else if (strncmp(argbuf, "DEL", 3) == 0) {
931 if (cdb_delete(CDB_USETABLE, Token, TLen))
932 cprintf("%d not found\n", ERROR + NOT_HERE);
934 cprintf("%d deleted.\n", CIT_OK);
937 cprintf("%d Usage: [GET|SET|DEL]|Token|timestamp\n", ERROR);
943 CTDL_MODULE_INIT(database)
946 CtdlRegisterProtoHook(cmd_rsen, "RSEN", "manipulate Aggregators seen database");
949 /* return our module id for the log */