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.
16 /*****************************************************************************
17 Tunable configuration parameters for the Berkeley DB back end
18 *****************************************************************************/
20 /* Citadel will checkpoint the db at the end of every session, but only if
21 * the specified number of kilobytes has been written, or if the specified
22 * number of minutes has passed, since the last checkpoint.
24 #define MAX_CHECKPOINT_KBYTES 256
25 #define MAX_CHECKPOINT_MINUTES 15
27 /*****************************************************************************/
36 #elif defined(HAVE_DB4_DB_H)
39 #error Neither <db.h> nor <db5/db.h> was found by configure. Install db5-devel.
42 #if DB_VERSION_MAJOR < 5
43 #error Citadel requires Berkeley DB v5.0 or newer. Please upgrade.
46 #include <libcitadel.h>
48 #include "ctdl_module.h"
50 #include "citserver.h"
52 #pragma GCC diagnostic ignored "-Wcast-qual"
54 static DB *dbp[MAXCDB]; /* One DB handle for each Citadel database */
55 static DB_ENV *dbenv; /* The DB environment (global) */
58 void cdb_abort(void) {
59 syslog(LOG_DEBUG, "db: citserver is stopping in order to prevent data loss. uid=%d gid=%d euid=%d egid=%d",
70 /* Verbose logging callback */
71 void cdb_verbose_log(const DB_ENV *dbenv, const char *msg)
73 if (!IsEmptyStr(msg)) {
74 syslog(LOG_DEBUG, "db: %s", msg);
80 /* Verbose logging callback */
81 void cdb_verbose_err(const DB_ENV *dbenv, const char *errpfx, const char *msg)
84 syslog(LOG_ALERT, "db: %s", msg);
90 /* just a little helper function */
91 static void txabort(DB_TXN * tid)
95 ret = tid->abort(tid);
98 syslog(LOG_EMERG, "db: txn_abort: %s", db_strerror(ret));
103 /* this one is even more helpful than the last. */
104 static void txcommit(DB_TXN * tid)
108 ret = tid->commit(tid, 0);
111 syslog(LOG_EMERG, "db: txn_commit: %s", db_strerror(ret));
116 /* are you sensing a pattern yet? */
117 static void txbegin(DB_TXN ** tid)
121 ret = dbenv->txn_begin(dbenv, NULL, tid, 0);
124 syslog(LOG_EMERG, "db: txn_begin: %s", db_strerror(ret));
129 static void dbpanic(DB_ENV * env, int errval)
131 syslog(LOG_EMERG, "db: PANIC: %s", db_strerror(errval));
135 static void cclose(DBC * cursor)
139 if ((ret = cursor->c_close(cursor))) {
140 syslog(LOG_EMERG, "db: c_close: %s", db_strerror(ret));
145 static void bailIfCursor(DBC ** cursors, const char *msg)
149 for (i = 0; i < MAXCDB; i++)
150 if (cursors[i] != NULL) {
151 syslog(LOG_EMERG, "db: cursor still in progress on cdb %02x: %s", i, msg);
157 void cdb_check_handles(void)
159 bailIfCursor(TSD->cursors, "in check_handles");
161 if (TSD->tid != NULL) {
162 syslog(LOG_EMERG, "db: transaction still in progress!");
169 * Cull the database logs by removing log files that are no longer needed.
170 * Note: this code will be removed once we are confident that Berkeley DB can do this on its own.
172 void cdb_cull_logs(void)
181 /* Get the list of names. */
182 if ((ret = dbenv->log_archive(dbenv, &list, flags)) != 0) {
183 syslog(LOG_ERR, "db: cdb_cull_logs() %s", db_strerror(ret));
187 /* Print the list of names. */
189 for (file = list; *file != NULL; ++file) {
190 syslog(LOG_DEBUG, "db: deleting log %s", *file);
193 snprintf(errmsg, sizeof(errmsg),
194 " ** ERROR **\n \n \n "
195 "Citadel was unable to delete the "
196 "database log file '%s' because of the "
197 "following error:\n \n %s\n \n"
198 " This log file is no longer in use "
199 "and may be safely deleted.\n",
200 *file, strerror(errno));
201 CtdlAideMessage(errmsg, "Database Warning Message");
210 * Request a checkpoint of the database. Called once per minute by the thread manager.
212 void cdb_checkpoint(void)
216 syslog(LOG_DEBUG, "db: -- checkpoint --");
217 ret = dbenv->txn_checkpoint(dbenv, MAX_CHECKPOINT_KBYTES, MAX_CHECKPOINT_MINUTES, 0);
220 syslog(LOG_EMERG, "db: cdb_checkpoint() txn_checkpoint: %s", db_strerror(ret));
224 /* After a successful checkpoint, we can cull the unused logs */
225 if (CtdlGetConfigInt("c_auto_cull")) {
226 #ifdef DB_LOG_AUTO_REMOVE
227 ret = dbenv->log_set_config(dbenv, DB_LOG_AUTO_REMOVE, 1); // This version of Berkeley DB can cull the logs on its own!
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);
242 * Open the various databases we'll be using. Any database which
243 * does not exist should be created. Note that we don't need a
244 * critical section here, because there aren't any active threads
245 * manipulating the database yet.
247 void open_databases(void)
253 int dbversion_major, dbversion_minor, dbversion_patch;
255 syslog(LOG_DEBUG, "db: open_databases() starting");
256 syslog(LOG_DEBUG, "db: Compiled libdb: %s", DB_VERSION_STRING);
257 syslog(LOG_DEBUG, "db: Linked libdb: %s", db_version(&dbversion_major, &dbversion_minor, &dbversion_patch));
258 syslog(LOG_DEBUG, "db: Linked zlib: %s", zlibVersion());
261 * Silently try to create the database subdirectory. If it's
262 * already there, no problem.
264 if ((mkdir(ctdl_data_dir, 0700) != 0) && (errno != EEXIST)){
265 syslog(LOG_EMERG, "db: unable to create database directory [%s]: %s", ctdl_data_dir, strerror(errno));
267 if (chmod(ctdl_data_dir, 0700) != 0){
268 syslog(LOG_EMERG, "db: unable to set database directory accessrights [%s]: %s", ctdl_data_dir, strerror(errno));
270 if (chown(ctdl_data_dir, CTDLUID, (-1)) != 0){
271 syslog(LOG_EMERG, "db: unable to set the owner for [%s]: %s", ctdl_data_dir, strerror(errno));
273 syslog(LOG_DEBUG, "db: Setting up DB environment\n");
274 /* db_env_set_func_yield((int (*)(u_long, u_long))sched_yield); */
275 ret = db_env_create(&dbenv, 0);
277 syslog(LOG_EMERG, "db: db_env_create: %s", db_strerror(ret));
278 syslog(LOG_EMERG, "db: exit code %d", ret);
281 dbenv->set_errpfx(dbenv, "citserver");
282 dbenv->set_paniccall(dbenv, dbpanic);
283 dbenv->set_errcall(dbenv, cdb_verbose_err);
284 dbenv->set_errpfx(dbenv, "ctdl");
285 dbenv->set_msgcall(dbenv, cdb_verbose_log);
286 dbenv->set_verbose(dbenv, DB_VERB_DEADLOCK, 1);
287 dbenv->set_verbose(dbenv, DB_VERB_RECOVERY, 1);
290 * We want to specify the shared memory buffer pool cachesize,
291 * but everything else is the default.
293 ret = dbenv->set_cachesize(dbenv, 0, 64 * 1024, 0);
295 syslog(LOG_EMERG, "db: set_cachesize: %s", db_strerror(ret));
296 dbenv->close(dbenv, 0);
297 syslog(LOG_EMERG, "db: exit code %d", ret);
301 if ((ret = dbenv->set_lk_detect(dbenv, DB_LOCK_DEFAULT))) {
302 syslog(LOG_EMERG, "db: set_lk_detect: %s", db_strerror(ret));
303 dbenv->close(dbenv, 0);
304 syslog(LOG_EMERG, "db: exit code %d", ret);
308 flags = DB_CREATE | DB_INIT_MPOOL | DB_PRIVATE | DB_INIT_TXN | DB_INIT_LOCK | DB_THREAD | DB_RECOVER;
309 syslog(LOG_DEBUG, "db: dbenv->open(dbenv, %s, %d, 0)", ctdl_data_dir, flags);
310 ret = dbenv->open(dbenv, ctdl_data_dir, flags, 0);
311 if (ret == DB_RUNRECOVERY) {
312 syslog(LOG_ALERT, "db: dbenv->open: %s", db_strerror(ret));
313 syslog(LOG_ALERT, "db: attempting recovery...");
315 ret = dbenv->open(dbenv, ctdl_data_dir, flags, 0);
317 if (ret == DB_RUNRECOVERY) {
318 syslog(LOG_ALERT, "db: dbenv->open: %s", db_strerror(ret));
319 syslog(LOG_ALERT, "db: attempting catastrophic recovery...");
320 flags &= ~DB_RECOVER;
321 flags |= DB_RECOVER_FATAL;
322 ret = dbenv->open(dbenv, ctdl_data_dir, flags, 0);
325 syslog(LOG_EMERG, "db: dbenv->open: %s", db_strerror(ret));
326 dbenv->close(dbenv, 0);
327 syslog(LOG_EMERG, "db: exit code %d", ret);
331 syslog(LOG_INFO, "db: mounting databases");
333 for (i = 0; i < MAXCDB; ++i) {
335 /* Create a database handle */
336 ret = db_create(&dbp[i], dbenv, 0);
338 syslog(LOG_EMERG, "db: db_create: %s", db_strerror(ret));
339 syslog(LOG_EMERG, "db: exit code %d", ret);
344 /* Arbitrary names for our tables -- we reference them by
345 * number, so we don't have string names for them.
347 snprintf(dbfilename, sizeof dbfilename, "cdb.%02x", i);
349 ret = dbp[i]->open(dbp[i],
354 DB_CREATE | DB_AUTO_COMMIT | DB_THREAD,
358 syslog(LOG_EMERG, "db: db_open[%02x]: %s", i, db_strerror(ret));
360 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.");
362 syslog(LOG_EMERG, "db: exit code %d", ret);
370 /* Make sure we own all the files, because in a few milliseconds
371 * we're going to drop root privs.
373 void cdb_chmod_data(void) {
376 char filename[PATH_MAX];
378 dp = opendir(ctdl_data_dir);
380 while (d = readdir(dp), d != NULL) {
381 if (d->d_name[0] != '.') {
382 snprintf(filename, sizeof filename, "%s/%s", ctdl_data_dir, d->d_name);
383 syslog(LOG_DEBUG, "db: chmod(%s, 0600) returned %d", filename, chmod(filename, 0600));
384 syslog(LOG_DEBUG, "db: chown(%s, CTDLUID, -1) returned %d",
385 filename, chown(filename, CTDLUID, (-1))
392 syslog(LOG_DEBUG, "db: open_databases() finished");
397 * Close all of the db database files we've opened. This can be done
398 * in a loop, since it's just a bunch of closes.
400 void close_databases(void)
405 syslog(LOG_INFO, "db: performing final checkpoint");
406 if ((ret = dbenv->txn_checkpoint(dbenv, 0, 0, 0))) {
407 syslog(LOG_ERR, "txn_checkpoint: %s", db_strerror(ret));
410 syslog(LOG_INFO, "db: flushing the database logs");
411 if ((ret = dbenv->log_flush(dbenv, NULL))) {
412 syslog(LOG_ERR, "db: log_flush: %s", db_strerror(ret));
415 /* print some statistics... */
417 dbenv->lock_stat_print(dbenv, DB_STAT_ALL);
420 /* close the tables */
421 for (a = 0; a < MAXCDB; ++a) {
422 syslog(LOG_INFO, "db: closing database %02x", a);
423 ret = dbp[a]->close(dbp[a], 0);
425 syslog(LOG_EMERG, "db: db_close: %s", db_strerror(ret));
430 /* Close the handle. */
431 ret = dbenv->close(dbenv, 0);
433 syslog(LOG_EMERG, "db: DBENV->close: %s", db_strerror(ret));
439 * Decompress a database item if it was compressed on disk
441 void cdb_decompress_if_necessary(struct cdbdata *cdb)
443 static int magic = COMPRESS_MAGIC;
446 (cdb->ptr == NULL) ||
447 (cdb->len < sizeof(magic)) ||
448 (memcmp(cdb->ptr, &magic, sizeof(magic))))
451 /* At this point we know we're looking at a compressed item. */
453 struct CtdlCompressHeader zheader;
454 char *uncompressed_data;
455 char *compressed_data;
456 uLongf destLen, sourceLen;
459 memset(&zheader, 0, sizeof(struct CtdlCompressHeader));
460 cplen = sizeof(struct CtdlCompressHeader);
461 if (sizeof(struct CtdlCompressHeader) > cdb->len)
463 memcpy(&zheader, cdb->ptr, cplen);
465 compressed_data = cdb->ptr;
466 compressed_data += sizeof(struct CtdlCompressHeader);
468 sourceLen = (uLongf) zheader.compressed_len;
469 destLen = (uLongf) zheader.uncompressed_len;
470 uncompressed_data = malloc(zheader.uncompressed_len);
472 if (uncompress((Bytef *) uncompressed_data,
473 (uLongf *) & destLen,
474 (const Bytef *) compressed_data,
475 (uLong) sourceLen) != Z_OK)
477 syslog(LOG_EMERG, "db: uncompress() error");
482 cdb->len = (size_t) destLen;
483 cdb->ptr = uncompressed_data;
488 * Store a piece of data. Returns 0 if the operation was successful. If a
489 * key already exists it should be overwritten.
491 int cdb_store(int cdb, const void *ckey, int ckeylen, void *cdata, int cdatalen)
498 struct CtdlCompressHeader zheader;
499 char *compressed_data = NULL;
501 size_t buffer_len = 0;
504 memset(&dkey, 0, sizeof(DBT));
505 memset(&ddata, 0, sizeof(DBT));
507 dkey.data = (void *)ckey;
508 ddata.size = cdatalen;
511 /* Only compress Visit and UseTable records. Everything else is uncompressed. */
512 if ( (cdb == CDB_VISIT) || (cdb == CDB_USETABLE) ) {
514 zheader.magic = COMPRESS_MAGIC;
515 zheader.uncompressed_len = cdatalen;
516 buffer_len = ((cdatalen * 101) / 100) + 100 + sizeof(struct CtdlCompressHeader);
517 destLen = (uLongf) buffer_len;
518 compressed_data = malloc(buffer_len);
519 if (compress2((Bytef *) (compressed_data + sizeof(struct CtdlCompressHeader)),
520 &destLen, (Bytef *) cdata, (uLongf) cdatalen, 1) != Z_OK)
522 syslog(LOG_EMERG, "db: compress2() error");
525 zheader.compressed_len = (size_t) destLen;
526 memcpy(compressed_data, &zheader, sizeof(struct CtdlCompressHeader));
527 ddata.size = (size_t) (sizeof(struct CtdlCompressHeader) + zheader.compressed_len);
528 ddata.data = compressed_data;
531 if (TSD->tid != NULL) {
532 ret = dbp[cdb]->put(dbp[cdb], /* db */
533 TSD->tid, /* transaction ID */
538 syslog(LOG_EMERG, "db: cdb_store(%d): %s", cdb, db_strerror(ret));
542 free(compressed_data);
546 bailIfCursor(TSD->cursors, "attempt to write during r/o cursor");
551 if ((ret = dbp[cdb]->put(dbp[cdb], /* db */
552 tid, /* transaction ID */
556 if (ret == DB_LOCK_DEADLOCK) {
560 syslog(LOG_EMERG, "db: cdb_store(%d): %s", cdb, db_strerror(ret));
566 free(compressed_data);
576 * Delete a piece of data. Returns 0 if the operation was successful.
578 int cdb_delete(int cdb, void *key, int keylen)
585 memset(&dkey, 0, sizeof dkey);
589 if (TSD->tid != NULL) {
590 ret = dbp[cdb]->del(dbp[cdb], TSD->tid, &dkey, 0);
592 syslog(LOG_EMERG, "db: cdb_delete(%d): %s", cdb, db_strerror(ret));
593 if (ret != DB_NOTFOUND) {
598 bailIfCursor(TSD->cursors, "attempt to delete during r/o cursor");
603 if ((ret = dbp[cdb]->del(dbp[cdb], tid, &dkey, 0))
604 && ret != DB_NOTFOUND) {
605 if (ret == DB_LOCK_DEADLOCK) {
609 syslog(LOG_EMERG, "db: cdb_delete(%d): %s", cdb, db_strerror(ret));
619 static DBC *localcursor(int cdb)
624 if (TSD->cursors[cdb] == NULL)
625 ret = dbp[cdb]->cursor(dbp[cdb], TSD->tid, &curs, 0);
627 ret = TSD->cursors[cdb]->c_dup(TSD->cursors[cdb], &curs, DB_POSITION);
630 syslog(LOG_EMERG, "db: localcursor: %s", db_strerror(ret));
639 * Fetch a piece of data. If not found, returns NULL. Otherwise, it returns
640 * a struct cdbdata which it is the caller's responsibility to free later on
641 * using the cdb_free() routine.
643 struct cdbdata *cdb_fetch(int cdb, const void *key, int keylen)
645 struct cdbdata *tempcdb;
649 memset(&dkey, 0, sizeof(DBT));
651 dkey.data = (void *)key;
653 if (TSD->tid != NULL) {
654 memset(&dret, 0, sizeof(DBT));
655 dret.flags = DB_DBT_MALLOC;
656 ret = dbp[cdb]->get(dbp[cdb], TSD->tid, &dkey, &dret, 0);
661 memset(&dret, 0, sizeof(DBT));
662 dret.flags = DB_DBT_MALLOC;
664 curs = localcursor(cdb);
666 ret = curs->c_get(curs, &dkey, &dret, DB_SET);
669 while (ret == DB_LOCK_DEADLOCK);
673 if ((ret != 0) && (ret != DB_NOTFOUND)) {
674 syslog(LOG_EMERG, "db: cdb_fetch(%d): %s", cdb, db_strerror(ret));
680 tempcdb = (struct cdbdata *) malloc(sizeof(struct cdbdata));
682 if (tempcdb == NULL) {
683 syslog(LOG_EMERG, "db: cdb_fetch: Cannot allocate memory for tempcdb");
685 return NULL; /* make it easier for static analysis... */
689 tempcdb->len = dret.size;
690 tempcdb->ptr = dret.data;
691 cdb_decompress_if_necessary(tempcdb);
698 * Free a cdbdata item.
700 * Note that we only free the 'ptr' portion if it is not NULL. This allows
701 * other code to assume ownership of that memory simply by storing the
702 * pointer elsewhere and then setting 'ptr' to NULL. cdb_free() will then
705 void cdb_free(struct cdbdata *cdb)
713 void cdb_close_cursor(int cdb)
715 if (TSD->cursors[cdb] != NULL) {
716 cclose(TSD->cursors[cdb]);
719 TSD->cursors[cdb] = NULL;
723 * Prepare for a sequential search of an entire database.
724 * (There is guaranteed to be no more than one traversal in
725 * progress per thread at any given time.)
727 void cdb_rewind(int cdb)
731 if (TSD->cursors[cdb] != NULL) {
732 syslog(LOG_EMERG, "db: cdb_rewind: must close cursor on database %d before reopening", cdb);
734 /* cclose(TSD->cursors[cdb]); */
738 * Now initialize the cursor
740 ret = dbp[cdb]->cursor(dbp[cdb], TSD->tid, &TSD->cursors[cdb], 0);
742 syslog(LOG_EMERG, "db: cdb_rewind: db_cursor: %s", db_strerror(ret));
749 * Fetch the next item in a sequential search. Returns a pointer to a
750 * cdbdata structure, or NULL if we've hit the end.
752 struct cdbdata *cdb_next_item(int cdb)
755 struct cdbdata *cdbret;
758 /* Initialize the key/data pair so the flags aren't set. */
759 memset(&key, 0, sizeof(key));
760 memset(&data, 0, sizeof(data));
761 data.flags = DB_DBT_MALLOC;
763 ret = TSD->cursors[cdb]->c_get(TSD->cursors[cdb], &key, &data, DB_NEXT);
766 if (ret != DB_NOTFOUND) {
767 syslog(LOG_EMERG, "db: cdb_next_item(%d): %s", cdb, db_strerror(ret));
770 cdb_close_cursor(cdb);
771 return NULL; /* presumably, end of file */
774 cdbret = (struct cdbdata *) malloc(sizeof(struct cdbdata));
775 cdbret->len = data.size;
776 cdbret->ptr = data.data;
777 cdb_decompress_if_necessary(cdbret);
785 * Transaction-based stuff. I'm writing this as I bake cookies...
788 void cdb_begin_transaction(void)
791 bailIfCursor(TSD->cursors, "can't begin transaction during r/o cursor");
793 if (TSD->tid != NULL) {
794 syslog(LOG_EMERG, "db: cdb_begin_transaction: ERROR: nested transaction");
801 void cdb_end_transaction(void)
805 for (i = 0; i < MAXCDB; i++)
806 if (TSD->cursors[i] != NULL) {
807 syslog(LOG_WARNING, "db: cdb_end_transaction: WARNING: cursor %d still open at transaction end", i);
808 cclose(TSD->cursors[i]);
809 TSD->cursors[i] = NULL;
812 if (TSD->tid == NULL) {
813 syslog(LOG_ERR, "db: cdb_end_transaction: ERROR: txcommit(NULL) !!");
824 * Truncate (delete every record)
826 void cdb_trunc(int cdb)
832 if (TSD->tid != NULL) {
833 syslog(LOG_EMERG, "db: cdb_trunc must not be called in a transaction.");
837 bailIfCursor(TSD->cursors, "attempt to write during r/o cursor");
842 if ((ret = dbp[cdb]->truncate(dbp[cdb], /* db */
843 NULL, /* transaction ID */
844 &count, /* #rows deleted */
846 if (ret == DB_LOCK_DEADLOCK) {
850 syslog(LOG_EMERG, "db: cdb_truncate(%d): %s", cdb, db_strerror(ret));
852 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.");
864 // Has an item already been seen (is it in the CDB_USETABLE) ?
865 // Returns 0 if it hasn't, 1 if it has
866 // In either case, writes the item to the database for next time.
867 int CheckIfAlreadySeen(StrBuf *guid)
871 struct cdbdata *cdbut;
873 syslog(LOG_DEBUG, "db: CheckIfAlreadySeen(%s)", ChrPtr(guid));
874 cdbut = cdb_fetch(CDB_USETABLE, SKEY(guid));
880 /* (Re)write the record, to update the timestamp. Zeroing it out makes it compress better. */
881 memset(&ut, 0, sizeof(struct UseTable));
882 memcpy(ut.ut_msgid, SKEY(guid));
883 ut.ut_timestamp = time(NULL);
884 cdb_store(CDB_USETABLE, SKEY(guid), &ut, sizeof(struct UseTable));
889 void cmd_rsen(char *argbuf) {
895 struct cdbdata *cdbut;
897 if (CtdlAccessCheck(ac_aide)) return;
899 TLen = extract_token(Token, argbuf, 1, '|', sizeof Token);
900 if (strncmp(argbuf, "GET", 3) == 0) {
901 cdbut = cdb_fetch(CDB_USETABLE, Token, TLen);
903 memcpy(&ut, cdbut->ptr,
904 ((cdbut->len > sizeof(struct UseTable)) ?
905 sizeof(struct UseTable) : cdbut->len));
907 cprintf("%d %ld\n", CIT_OK, ut.ut_timestamp);
910 cprintf("%d not found\n", ERROR + NOT_HERE);
914 else if (strncmp(argbuf, "SET", 3) == 0) {
915 memcpy(ut.ut_msgid, Token, TLen);
916 extract_token(Time, argbuf, 2, '|', sizeof Time);
917 ut.ut_timestamp = atol(Time);
918 cdb_store(CDB_USETABLE,
920 &ut, sizeof(struct UseTable) );
921 cprintf("%d token updated\n", CIT_OK);
923 else if (strncmp(argbuf, "DEL", 3) == 0) {
924 if (cdb_delete(CDB_USETABLE, Token, TLen))
925 cprintf("%d not found\n", ERROR + NOT_HERE);
927 cprintf("%d deleted.\n", CIT_OK);
931 cprintf("%d Usage: [GET|SET|DEL]|Token|timestamp\n", ERROR);
936 CTDL_MODULE_INIT(database)
940 CtdlRegisterProtoHook(cmd_rsen, "RSEN", "manipulate Aggregators seen database");
943 /* return our module id for the log */