2 * This is a data store backend for the Citadel server which uses Berkeley DB.
4 * Copyright (c) 1987-2017 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) */
59 void cdb_abort(void) {
60 syslog(LOG_DEBUG, "db: citserver is stopping in order to prevent data loss. uid=%d gid=%d euid=%d egid=%d",
71 /* Verbose logging callback */
72 void cdb_verbose_log(const DB_ENV *dbenv, const char *msg)
74 if (!IsEmptyStr(msg)) {
75 syslog(LOG_DEBUG, "db: %s", msg);
81 /* Verbose logging callback */
82 void cdb_verbose_err(const DB_ENV *dbenv, const char *errpfx, const char *msg)
85 syslog(LOG_ERR, "db: %s", msg);
91 /* just a little helper function */
92 static void txabort(DB_TXN * tid)
96 ret = tid->abort(tid);
99 syslog(LOG_ERR, "db: txn_abort: %s", db_strerror(ret));
104 /* this one is even more helpful than the last. */
105 static void txcommit(DB_TXN * tid)
109 ret = tid->commit(tid, 0);
112 syslog(LOG_ERR, "db: txn_commit: %s", db_strerror(ret));
117 /* are you sensing a pattern yet? */
118 static void txbegin(DB_TXN ** tid)
122 ret = dbenv->txn_begin(dbenv, NULL, tid, 0);
125 syslog(LOG_ERR, "db: txn_begin: %s", db_strerror(ret));
130 static void dbpanic(DB_ENV * env, int errval)
132 syslog(LOG_ERR, "db: PANIC: %s", db_strerror(errval));
136 static void cclose(DBC * cursor)
140 if ((ret = cursor->c_close(cursor))) {
141 syslog(LOG_ERR, "db: c_close: %s", db_strerror(ret));
146 static void bailIfCursor(DBC ** cursors, const char *msg)
150 for (i = 0; i < MAXCDB; i++)
151 if (cursors[i] != NULL) {
152 syslog(LOG_ERR, "db: cursor still in progress on cdb %02x: %s", i, msg);
158 void cdb_check_handles(void)
160 bailIfCursor(TSD->cursors, "in check_handles");
162 if (TSD->tid != NULL) {
163 syslog(LOG_ERR, "db: transaction still in progress!");
170 * Cull the database logs by removing log files that are no longer needed.
171 * Note: this code will be removed once we are confident that Berkeley DB can do this on its own.
173 void cdb_cull_logs(void)
182 /* Get the list of names. */
183 if ((ret = dbenv->log_archive(dbenv, &list, flags)) != 0) {
184 syslog(LOG_ERR, "db: cdb_cull_logs() %s", db_strerror(ret));
188 /* Print the list of names. */
190 for (file = list; *file != NULL; ++file) {
191 syslog(LOG_DEBUG, "db: deleting log %s", *file);
194 snprintf(errmsg, sizeof(errmsg),
195 " ** ERROR **\n \n \n "
196 "Citadel was unable to delete the "
197 "database log file '%s' because of the "
198 "following error:\n \n %s\n \n"
199 " This log file is no longer in use "
200 "and may be safely deleted.\n",
201 *file, strerror(errno));
202 CtdlAideMessage(errmsg, "Database Warning Message");
211 * Request a checkpoint of the database. Called once per minute by the thread manager.
213 void cdb_checkpoint(void)
217 syslog(LOG_DEBUG, "db: -- checkpoint --");
218 ret = dbenv->txn_checkpoint(dbenv, MAX_CHECKPOINT_KBYTES, MAX_CHECKPOINT_MINUTES, 0);
221 syslog(LOG_ERR, "db: cdb_checkpoint() txn_checkpoint: %s", db_strerror(ret));
225 /* After a successful checkpoint, we can cull the unused logs */
226 if (CtdlGetConfigInt("c_auto_cull")) {
227 #ifdef DB_LOG_AUTO_REMOVE
228 ret = dbenv->log_set_config(dbenv, DB_LOG_AUTO_REMOVE, 1); // This version of Berkeley DB can cull the logs on its own!
230 cdb_cull_logs(); // Citadel knows how to do it too.
233 #ifdef DB_LOG_AUTO_REMOVE
235 ret = dbenv->log_set_config(dbenv, DB_LOG_AUTO_REMOVE, 0);
243 * Open the various databases we'll be using. Any database which
244 * does not exist should be created. Note that we don't need a
245 * critical section here, because there aren't any active threads
246 * manipulating the database yet.
248 void open_databases(void)
254 int dbversion_major, dbversion_minor, dbversion_patch;
256 syslog(LOG_DEBUG, "db: open_databases() starting");
257 syslog(LOG_DEBUG, "db: Compiled libdb: %s", DB_VERSION_STRING);
258 syslog(LOG_DEBUG, "db: Linked libdb: %s", db_version(&dbversion_major, &dbversion_minor, &dbversion_patch));
259 syslog(LOG_DEBUG, "db: Linked zlib: %s", zlibVersion());
262 * Silently try to create the database subdirectory. If it's
263 * already there, no problem.
265 if ((mkdir(ctdl_data_dir, 0700) != 0) && (errno != EEXIST)){
266 syslog(LOG_ERR, "db: unable to create database directory [%s]: %m", ctdl_data_dir);
268 if (chmod(ctdl_data_dir, 0700) != 0){
269 syslog(LOG_ERR, "db: unable to set database directory accessrights [%s]: %m", ctdl_data_dir);
271 if (chown(ctdl_data_dir, CTDLUID, (-1)) != 0){
272 syslog(LOG_ERR, "db: unable to set the owner for [%s]: %m", ctdl_data_dir);
274 syslog(LOG_DEBUG, "db: Setting up DB environment\n");
275 /* db_env_set_func_yield((int (*)(u_long, u_long))sched_yield); */
276 ret = db_env_create(&dbenv, 0);
278 syslog(LOG_ERR, "db: db_env_create: %s", db_strerror(ret));
279 syslog(LOG_ERR, "db: exit code %d", ret);
282 dbenv->set_errpfx(dbenv, "citserver");
283 dbenv->set_paniccall(dbenv, dbpanic);
284 dbenv->set_errcall(dbenv, cdb_verbose_err);
285 dbenv->set_errpfx(dbenv, "ctdl");
286 dbenv->set_msgcall(dbenv, cdb_verbose_log);
287 dbenv->set_verbose(dbenv, DB_VERB_DEADLOCK, 1);
288 dbenv->set_verbose(dbenv, DB_VERB_RECOVERY, 1);
291 * We want to specify the shared memory buffer pool cachesize,
292 * but everything else is the default.
294 ret = dbenv->set_cachesize(dbenv, 0, 64 * 1024, 0);
296 syslog(LOG_ERR, "db: set_cachesize: %s", db_strerror(ret));
297 dbenv->close(dbenv, 0);
298 syslog(LOG_ERR, "db: exit code %d", ret);
302 if ((ret = dbenv->set_lk_detect(dbenv, DB_LOCK_DEFAULT))) {
303 syslog(LOG_ERR, "db: set_lk_detect: %s", db_strerror(ret));
304 dbenv->close(dbenv, 0);
305 syslog(LOG_ERR, "db: exit code %d", ret);
309 flags = DB_CREATE | DB_INIT_MPOOL | DB_PRIVATE | DB_INIT_TXN | DB_INIT_LOCK | DB_THREAD | DB_RECOVER;
310 syslog(LOG_DEBUG, "db: dbenv->open(dbenv, %s, %d, 0)", ctdl_data_dir, flags);
311 ret = dbenv->open(dbenv, ctdl_data_dir, flags, 0);
312 if (ret == DB_RUNRECOVERY) {
313 syslog(LOG_ERR, "db: dbenv->open: %s", db_strerror(ret));
314 syslog(LOG_ERR, "db: attempting recovery...");
316 ret = dbenv->open(dbenv, ctdl_data_dir, flags, 0);
318 if (ret == DB_RUNRECOVERY) {
319 syslog(LOG_ERR, "db: dbenv->open: %s", db_strerror(ret));
320 syslog(LOG_ERR, "db: attempting catastrophic recovery...");
321 flags &= ~DB_RECOVER;
322 flags |= DB_RECOVER_FATAL;
323 ret = dbenv->open(dbenv, ctdl_data_dir, flags, 0);
326 syslog(LOG_ERR, "db: dbenv->open: %s", db_strerror(ret));
327 dbenv->close(dbenv, 0);
328 syslog(LOG_ERR, "db: exit code %d", ret);
332 syslog(LOG_INFO, "db: mounting databases");
334 for (i = 0; i < MAXCDB; ++i) {
336 /* Create a database handle */
337 ret = db_create(&dbp[i], dbenv, 0);
339 syslog(LOG_ERR, "db: db_create: %s", db_strerror(ret));
340 syslog(LOG_ERR, "db: exit code %d", ret);
345 /* Arbitrary names for our tables -- we reference them by
346 * number, so we don't have string names for them.
348 snprintf(dbfilename, sizeof dbfilename, "cdb.%02x", i);
350 ret = dbp[i]->open(dbp[i],
355 DB_CREATE | DB_AUTO_COMMIT | DB_THREAD,
359 syslog(LOG_ERR, "db: db_open[%02x]: %s", i, db_strerror(ret));
361 syslog(LOG_ERR, "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.");
363 syslog(LOG_ERR, "db: exit code %d", ret);
371 /* Make sure we own all the files, because in a few milliseconds
372 * we're going to drop root privs.
374 void cdb_chmod_data(void) {
377 char filename[PATH_MAX];
379 dp = opendir(ctdl_data_dir);
381 while (d = readdir(dp), d != NULL) {
382 if (d->d_name[0] != '.') {
383 snprintf(filename, sizeof filename, "%s/%s", ctdl_data_dir, d->d_name);
384 syslog(LOG_DEBUG, "db: chmod(%s, 0600) returned %d", filename, chmod(filename, 0600));
385 syslog(LOG_DEBUG, "db: chown(%s, CTDLUID, -1) returned %d",
386 filename, chown(filename, CTDLUID, (-1))
393 syslog(LOG_DEBUG, "db: open_databases() finished");
398 * Close all of the db database files we've opened. This can be done
399 * in a loop, since it's just a bunch of closes.
401 void close_databases(void)
406 syslog(LOG_INFO, "db: performing final checkpoint");
407 if ((ret = dbenv->txn_checkpoint(dbenv, 0, 0, 0))) {
408 syslog(LOG_ERR, "txn_checkpoint: %s", db_strerror(ret));
411 syslog(LOG_INFO, "db: flushing the database logs");
412 if ((ret = dbenv->log_flush(dbenv, NULL))) {
413 syslog(LOG_ERR, "db: log_flush: %s", db_strerror(ret));
416 /* print some statistics... */
418 dbenv->lock_stat_print(dbenv, DB_STAT_ALL);
421 /* close the tables */
422 for (a = 0; a < MAXCDB; ++a) {
423 syslog(LOG_INFO, "db: closing database %02x", a);
424 ret = dbp[a]->close(dbp[a], 0);
426 syslog(LOG_ERR, "db: db_close: %s", db_strerror(ret));
431 /* Close the handle. */
432 ret = dbenv->close(dbenv, 0);
434 syslog(LOG_EMERG, "db: DBENV->close: %s", db_strerror(ret));
440 * Decompress a database item if it was compressed on disk
442 void cdb_decompress_if_necessary(struct cdbdata *cdb)
444 static int magic = COMPRESS_MAGIC;
447 (cdb->ptr == NULL) ||
448 (cdb->len < sizeof(magic)) ||
449 (memcmp(cdb->ptr, &magic, sizeof(magic))))
452 /* At this point we know we're looking at a compressed item. */
454 struct CtdlCompressHeader zheader;
455 char *uncompressed_data;
456 char *compressed_data;
457 uLongf destLen, sourceLen;
460 memset(&zheader, 0, sizeof(struct CtdlCompressHeader));
461 cplen = sizeof(struct CtdlCompressHeader);
462 if (sizeof(struct CtdlCompressHeader) > cdb->len)
464 memcpy(&zheader, cdb->ptr, cplen);
466 compressed_data = cdb->ptr;
467 compressed_data += sizeof(struct CtdlCompressHeader);
469 sourceLen = (uLongf) zheader.compressed_len;
470 destLen = (uLongf) zheader.uncompressed_len;
471 uncompressed_data = malloc(zheader.uncompressed_len);
473 if (uncompress((Bytef *) uncompressed_data,
474 (uLongf *) & destLen,
475 (const Bytef *) compressed_data,
476 (uLong) sourceLen) != Z_OK)
478 syslog(LOG_EMERG, "db: uncompress() error");
483 cdb->len = (size_t) destLen;
484 cdb->ptr = uncompressed_data;
489 * Store a piece of data. Returns 0 if the operation was successful. If a
490 * key already exists it should be overwritten.
492 int cdb_store(int cdb, const void *ckey, int ckeylen, void *cdata, int cdatalen)
499 struct CtdlCompressHeader zheader;
500 char *compressed_data = NULL;
502 size_t buffer_len = 0;
505 memset(&dkey, 0, sizeof(DBT));
506 memset(&ddata, 0, sizeof(DBT));
508 dkey.data = (void *)ckey;
509 ddata.size = cdatalen;
512 /* Only compress Visit and UseTable records. Everything else is uncompressed. */
513 if ( (cdb == CDB_VISIT) || (cdb == CDB_USETABLE) ) {
515 zheader.magic = COMPRESS_MAGIC;
516 zheader.uncompressed_len = cdatalen;
517 buffer_len = ((cdatalen * 101) / 100) + 100 + sizeof(struct CtdlCompressHeader);
518 destLen = (uLongf) buffer_len;
519 compressed_data = malloc(buffer_len);
520 if (compress2((Bytef *) (compressed_data + sizeof(struct CtdlCompressHeader)),
521 &destLen, (Bytef *) cdata, (uLongf) cdatalen, 1) != Z_OK)
523 syslog(LOG_EMERG, "db: compress2() error");
526 zheader.compressed_len = (size_t) destLen;
527 memcpy(compressed_data, &zheader, sizeof(struct CtdlCompressHeader));
528 ddata.size = (size_t) (sizeof(struct CtdlCompressHeader) + zheader.compressed_len);
529 ddata.data = compressed_data;
532 if (TSD->tid != NULL) {
533 ret = dbp[cdb]->put(dbp[cdb], /* db */
534 TSD->tid, /* transaction ID */
539 syslog(LOG_EMERG, "db: cdb_store(%d): %s", cdb, db_strerror(ret));
543 free(compressed_data);
547 bailIfCursor(TSD->cursors, "attempt to write during r/o cursor");
552 if ((ret = dbp[cdb]->put(dbp[cdb], /* db */
553 tid, /* transaction ID */
557 if (ret == DB_LOCK_DEADLOCK) {
561 syslog(LOG_EMERG, "db: cdb_store(%d): %s", cdb, db_strerror(ret));
567 free(compressed_data);
577 * Delete a piece of data. Returns 0 if the operation was successful.
579 int cdb_delete(int cdb, void *key, int keylen)
586 memset(&dkey, 0, sizeof dkey);
590 if (TSD->tid != NULL) {
591 ret = dbp[cdb]->del(dbp[cdb], TSD->tid, &dkey, 0);
593 syslog(LOG_EMERG, "db: cdb_delete(%d): %s", cdb, db_strerror(ret));
594 if (ret != DB_NOTFOUND) {
599 bailIfCursor(TSD->cursors, "attempt to delete during r/o cursor");
604 if ((ret = dbp[cdb]->del(dbp[cdb], tid, &dkey, 0))
605 && ret != DB_NOTFOUND) {
606 if (ret == DB_LOCK_DEADLOCK) {
610 syslog(LOG_EMERG, "db: cdb_delete(%d): %s", cdb, db_strerror(ret));
620 static DBC *localcursor(int cdb)
625 if (TSD->cursors[cdb] == NULL)
626 ret = dbp[cdb]->cursor(dbp[cdb], TSD->tid, &curs, 0);
628 ret = TSD->cursors[cdb]->c_dup(TSD->cursors[cdb], &curs, DB_POSITION);
631 syslog(LOG_EMERG, "db: localcursor: %s", db_strerror(ret));
640 * Fetch a piece of data. If not found, returns NULL. Otherwise, it returns
641 * a struct cdbdata which it is the caller's responsibility to free later on
642 * using the cdb_free() routine.
644 struct cdbdata *cdb_fetch(int cdb, const void *key, int keylen)
646 struct cdbdata *tempcdb;
650 memset(&dkey, 0, sizeof(DBT));
652 dkey.data = (void *)key;
654 if (TSD->tid != NULL) {
655 memset(&dret, 0, sizeof(DBT));
656 dret.flags = DB_DBT_MALLOC;
657 ret = dbp[cdb]->get(dbp[cdb], TSD->tid, &dkey, &dret, 0);
662 memset(&dret, 0, sizeof(DBT));
663 dret.flags = DB_DBT_MALLOC;
665 curs = localcursor(cdb);
667 ret = curs->c_get(curs, &dkey, &dret, DB_SET);
670 while (ret == DB_LOCK_DEADLOCK);
674 if ((ret != 0) && (ret != DB_NOTFOUND)) {
675 syslog(LOG_EMERG, "db: cdb_fetch(%d): %s", cdb, db_strerror(ret));
681 tempcdb = (struct cdbdata *) malloc(sizeof(struct cdbdata));
683 if (tempcdb == NULL) {
684 syslog(LOG_EMERG, "db: cdb_fetch: Cannot allocate memory for tempcdb");
686 return NULL; /* make it easier for static analysis... */
690 tempcdb->len = dret.size;
691 tempcdb->ptr = dret.data;
692 cdb_decompress_if_necessary(tempcdb);
699 * Free a cdbdata item.
701 * Note that we only free the 'ptr' portion if it is not NULL. This allows
702 * other code to assume ownership of that memory simply by storing the
703 * pointer elsewhere and then setting 'ptr' to NULL. cdb_free() will then
706 void cdb_free(struct cdbdata *cdb)
714 void cdb_close_cursor(int cdb)
716 if (TSD->cursors[cdb] != NULL) {
717 cclose(TSD->cursors[cdb]);
720 TSD->cursors[cdb] = NULL;
724 * Prepare for a sequential search of an entire database.
725 * (There is guaranteed to be no more than one traversal in
726 * progress per thread at any given time.)
728 void cdb_rewind(int cdb)
732 if (TSD->cursors[cdb] != NULL) {
733 syslog(LOG_EMERG, "db: cdb_rewind: must close cursor on database %d before reopening", cdb);
735 /* cclose(TSD->cursors[cdb]); */
739 * Now initialize the cursor
741 ret = dbp[cdb]->cursor(dbp[cdb], TSD->tid, &TSD->cursors[cdb], 0);
743 syslog(LOG_EMERG, "db: cdb_rewind: db_cursor: %s", db_strerror(ret));
750 * Fetch the next item in a sequential search. Returns a pointer to a
751 * cdbdata structure, or NULL if we've hit the end.
753 struct cdbdata *cdb_next_item(int cdb)
756 struct cdbdata *cdbret;
759 /* Initialize the key/data pair so the flags aren't set. */
760 memset(&key, 0, sizeof(key));
761 memset(&data, 0, sizeof(data));
762 data.flags = DB_DBT_MALLOC;
764 ret = TSD->cursors[cdb]->c_get(TSD->cursors[cdb], &key, &data, DB_NEXT);
767 if (ret != DB_NOTFOUND) {
768 syslog(LOG_EMERG, "db: cdb_next_item(%d): %s", cdb, db_strerror(ret));
771 cdb_close_cursor(cdb);
772 return NULL; /* presumably, end of file */
775 cdbret = (struct cdbdata *) malloc(sizeof(struct cdbdata));
776 cdbret->len = data.size;
777 cdbret->ptr = data.data;
778 cdb_decompress_if_necessary(cdbret);
786 * Transaction-based stuff. I'm writing this as I bake cookies...
789 void cdb_begin_transaction(void)
792 bailIfCursor(TSD->cursors, "can't begin transaction during r/o cursor");
794 if (TSD->tid != NULL) {
795 syslog(LOG_EMERG, "db: cdb_begin_transaction: ERROR: nested transaction");
802 void cdb_end_transaction(void)
806 for (i = 0; i < MAXCDB; i++)
807 if (TSD->cursors[i] != NULL) {
808 syslog(LOG_WARNING, "db: cdb_end_transaction: WARNING: cursor %d still open at transaction end", i);
809 cclose(TSD->cursors[i]);
810 TSD->cursors[i] = NULL;
813 if (TSD->tid == NULL) {
814 syslog(LOG_ERR, "db: cdb_end_transaction: ERROR: txcommit(NULL) !!");
825 * Truncate (delete every record)
827 void cdb_trunc(int cdb)
833 if (TSD->tid != NULL) {
834 syslog(LOG_EMERG, "db: cdb_trunc must not be called in a transaction.");
838 bailIfCursor(TSD->cursors, "attempt to write during r/o cursor");
843 if ((ret = dbp[cdb]->truncate(dbp[cdb], /* db */
844 NULL, /* transaction ID */
845 &count, /* #rows deleted */
847 if (ret == DB_LOCK_DEADLOCK) {
851 syslog(LOG_EMERG, "db: cdb_truncate(%d): %s", cdb, db_strerror(ret));
853 syslog(LOG_EMERG, "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.");
865 * compact (defragment) the database , possibly returning space back to the underlying filesystem
867 void cdb_compact(void)
872 syslog(LOG_DEBUG, "db: cdb_compact() started");
873 for (i = 0; i < MAXCDB; i++) {
874 syslog(LOG_DEBUG, "db: compacting database %d", i);
875 ret = dbp[i]->compact(dbp[i], NULL, NULL, NULL, NULL, DB_FREE_SPACE, NULL);
877 syslog(LOG_ERR, "db: compact: %s", db_strerror(ret));
880 syslog(LOG_DEBUG, "db: cdb_compact() finished");
884 // Has an item already been seen (is it in the CDB_USETABLE) ?
885 // Returns 0 if it hasn't, 1 if it has
886 // In either case, writes the item to the database for next time.
887 int CheckIfAlreadySeen(StrBuf *guid)
891 struct cdbdata *cdbut;
893 syslog(LOG_DEBUG, "db: CheckIfAlreadySeen(%s)", ChrPtr(guid));
894 cdbut = cdb_fetch(CDB_USETABLE, SKEY(guid));
900 /* (Re)write the record, to update the timestamp. Zeroing it out makes it compress better. */
901 memset(&ut, 0, sizeof(struct UseTable));
902 memcpy(ut.ut_msgid, SKEY(guid));
903 ut.ut_timestamp = time(NULL);
904 cdb_store(CDB_USETABLE, SKEY(guid), &ut, sizeof(struct UseTable));
909 void cmd_rsen(char *argbuf) {
915 struct cdbdata *cdbut;
917 if (CtdlAccessCheck(ac_aide)) return;
919 TLen = extract_token(Token, argbuf, 1, '|', sizeof Token);
920 if (strncmp(argbuf, "GET", 3) == 0) {
921 cdbut = cdb_fetch(CDB_USETABLE, Token, TLen);
923 memcpy(&ut, cdbut->ptr,
924 ((cdbut->len > sizeof(struct UseTable)) ?
925 sizeof(struct UseTable) : cdbut->len));
927 cprintf("%d %ld\n", CIT_OK, ut.ut_timestamp);
930 cprintf("%d not found\n", ERROR + NOT_HERE);
934 else if (strncmp(argbuf, "SET", 3) == 0) {
935 memcpy(ut.ut_msgid, Token, TLen);
936 extract_token(Time, argbuf, 2, '|', sizeof Time);
937 ut.ut_timestamp = atol(Time);
938 cdb_store(CDB_USETABLE,
940 &ut, sizeof(struct UseTable) );
941 cprintf("%d token updated\n", CIT_OK);
943 else if (strncmp(argbuf, "DEL", 3) == 0) {
944 if (cdb_delete(CDB_USETABLE, Token, TLen))
945 cprintf("%d not found\n", ERROR + NOT_HERE);
947 cprintf("%d deleted.\n", CIT_OK);
951 cprintf("%d Usage: [GET|SET|DEL]|Token|timestamp\n", ERROR);
956 CTDL_MODULE_INIT(database)
960 CtdlRegisterProtoHook(cmd_rsen, "RSEN", "manipulate Aggregators seen database");
963 /* return our module id for the log */