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) {
60 "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_ALERT, "DB: %s", msg);
91 /* just a little helper function */
92 static void txabort(DB_TXN * tid)
96 ret = tid->abort(tid);
99 syslog(LOG_EMERG, "bdb(): 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_EMERG, "bdb(): 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_EMERG, "bdb(): txn_begin: %s", db_strerror(ret));
130 static void dbpanic(DB_ENV * env, int errval)
132 syslog(LOG_EMERG, "bdb(): PANIC: %s", db_strerror(errval));
136 static void cclose(DBC * cursor)
140 if ((ret = cursor->c_close(cursor))) {
141 syslog(LOG_EMERG, "bdb(): 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_EMERG, "bdb(): 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_EMERG, "bdb(): 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, "cdb_cull_logs: %s", db_strerror(ret));
188 /* Print the list of names. */
190 for (file = list; *file != NULL; ++file) {
191 syslog(LOG_DEBUG, "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_EMERG, "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, "bdb(): open_databases() starting");
257 syslog(LOG_DEBUG, "Compiled db: %s", DB_VERSION_STRING);
258 syslog(LOG_INFO, " Linked db: %s", db_version(&dbversion_major, &dbversion_minor, &dbversion_patch));
259 syslog(LOG_INFO, "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)){
267 "unable to create database directory [%s]: %s",
268 ctdl_data_dir, strerror(errno));
270 if (chmod(ctdl_data_dir, 0700) != 0){
272 "unable to set database directory accessrights [%s]: %s",
273 ctdl_data_dir, strerror(errno));
275 if (chown(ctdl_data_dir, CTDLUID, (-1)) != 0){
277 "unable to set the owner for [%s]: %s",
278 ctdl_data_dir, strerror(errno));
280 syslog(LOG_DEBUG, "bdb(): Setting up DB environment\n");
281 /* db_env_set_func_yield((int (*)(u_long, u_long))sched_yield); */
282 ret = db_env_create(&dbenv, 0);
284 syslog(LOG_EMERG, "bdb(): db_env_create: %s", db_strerror(ret));
285 syslog(LOG_EMERG, "exit code %d", ret);
288 dbenv->set_errpfx(dbenv, "citserver");
289 dbenv->set_paniccall(dbenv, dbpanic);
290 dbenv->set_errcall(dbenv, cdb_verbose_err);
291 dbenv->set_errpfx(dbenv, "ctdl");
292 dbenv->set_msgcall(dbenv, cdb_verbose_log);
293 dbenv->set_verbose(dbenv, DB_VERB_DEADLOCK, 1);
294 dbenv->set_verbose(dbenv, DB_VERB_RECOVERY, 1);
297 * We want to specify the shared memory buffer pool cachesize,
298 * but everything else is the default.
300 ret = dbenv->set_cachesize(dbenv, 0, 64 * 1024, 0);
302 syslog(LOG_EMERG, "bdb(): set_cachesize: %s", db_strerror(ret));
303 dbenv->close(dbenv, 0);
304 syslog(LOG_EMERG, "exit code %d", ret);
308 if ((ret = dbenv->set_lk_detect(dbenv, DB_LOCK_DEFAULT))) {
309 syslog(LOG_EMERG, "bdb(): set_lk_detect: %s", db_strerror(ret));
310 dbenv->close(dbenv, 0);
311 syslog(LOG_EMERG, "exit code %d", ret);
315 flags = DB_CREATE | DB_INIT_MPOOL | DB_PRIVATE | DB_INIT_TXN | DB_INIT_LOCK | DB_THREAD | DB_RECOVER;
316 syslog(LOG_DEBUG, "dbenv->open(dbenv, %s, %d, 0)", ctdl_data_dir, flags);
317 ret = dbenv->open(dbenv, ctdl_data_dir, flags, 0);
318 if (ret == DB_RUNRECOVERY) {
319 syslog(LOG_ALERT, "dbenv->open: %s", db_strerror(ret));
320 syslog(LOG_ALERT, "Attempting recovery...\n");
322 ret = dbenv->open(dbenv, ctdl_data_dir, flags, 0);
324 if (ret == DB_RUNRECOVERY) {
325 syslog(LOG_ALERT, "dbenv->open: %s", db_strerror(ret));
326 syslog(LOG_ALERT, "Attempting catastrophic recovery...");
327 flags &= ~DB_RECOVER;
328 flags |= DB_RECOVER_FATAL;
329 ret = dbenv->open(dbenv, ctdl_data_dir, flags, 0);
332 syslog(LOG_EMERG, "dbenv->open: %s", db_strerror(ret));
333 dbenv->close(dbenv, 0);
334 syslog(LOG_EMERG, "exit code %d", ret);
338 syslog(LOG_INFO, "Starting up DB");
340 for (i = 0; i < MAXCDB; ++i) {
342 /* Create a database handle */
343 ret = db_create(&dbp[i], dbenv, 0);
345 syslog(LOG_EMERG, "db_create: %s", db_strerror(ret));
346 syslog(LOG_EMERG, "exit code %d", ret);
351 /* Arbitrary names for our tables -- we reference them by
352 * number, so we don't have string names for them.
354 snprintf(dbfilename, sizeof dbfilename, "cdb.%02x", i);
356 ret = dbp[i]->open(dbp[i],
361 DB_CREATE | DB_AUTO_COMMIT | DB_THREAD,
365 syslog(LOG_EMERG, "db_open[%02x]: %s", i, db_strerror(ret));
367 syslog(LOG_EMERG, "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.");
369 syslog(LOG_EMERG, "exit code %d", ret);
377 /* Make sure we own all the files, because in a few milliseconds
378 * we're going to drop root privs.
380 void cdb_chmod_data(void) {
383 char filename[PATH_MAX];
385 dp = opendir(ctdl_data_dir);
387 while (d = readdir(dp), d != NULL) {
388 if (d->d_name[0] != '.') {
389 snprintf(filename, sizeof filename, "%s/%s", ctdl_data_dir, d->d_name);
390 syslog(LOG_DEBUG, "chmod(%s, 0600) returned %d", filename, chmod(filename, 0600));
391 syslog(LOG_DEBUG, "chown(%s, CTDLUID, -1) returned %d",
392 filename, chown(filename, CTDLUID, (-1))
399 syslog(LOG_DEBUG, "open_databases() finished");
404 * Close all of the db database files we've opened. This can be done
405 * in a loop, since it's just a bunch of closes.
407 void close_databases(void)
412 syslog(LOG_INFO, "Performing final checkpoint.");
413 if ((ret = dbenv->txn_checkpoint(dbenv, 0, 0, 0))) {
414 syslog(LOG_ERR, "txn_checkpoint: %s", db_strerror(ret));
417 syslog(LOG_INFO, "Flushing the database logs.");
418 if ((ret = dbenv->log_flush(dbenv, NULL))) {
419 syslog(LOG_ERR, "log_flush: %s", db_strerror(ret));
422 /* print some statistics... */
424 dbenv->lock_stat_print(dbenv, DB_STAT_ALL);
427 /* close the tables */
428 for (a = 0; a < MAXCDB; ++a) {
429 syslog(LOG_INFO, "Closing database %02x", a);
430 ret = dbp[a]->close(dbp[a], 0);
432 syslog(LOG_EMERG, "db_close: %s", db_strerror(ret));
437 /* Close the handle. */
438 ret = dbenv->close(dbenv, 0);
440 syslog(LOG_EMERG, "DBENV->close: %s", db_strerror(ret));
446 * Decompress a database item if it was compressed on disk
448 void cdb_decompress_if_necessary(struct cdbdata *cdb)
450 static int magic = COMPRESS_MAGIC;
453 (cdb->ptr == NULL) ||
454 (cdb->len < sizeof(magic)) ||
455 (memcmp(cdb->ptr, &magic, sizeof(magic))))
458 /* At this point we know we're looking at a compressed item. */
460 struct CtdlCompressHeader zheader;
461 char *uncompressed_data;
462 char *compressed_data;
463 uLongf destLen, sourceLen;
466 memset(&zheader, 0, sizeof(struct CtdlCompressHeader));
467 cplen = sizeof(struct CtdlCompressHeader);
468 if (sizeof(struct CtdlCompressHeader) > cdb->len)
470 memcpy(&zheader, cdb->ptr, cplen);
472 compressed_data = cdb->ptr;
473 compressed_data += sizeof(struct CtdlCompressHeader);
475 sourceLen = (uLongf) zheader.compressed_len;
476 destLen = (uLongf) zheader.uncompressed_len;
477 uncompressed_data = malloc(zheader.uncompressed_len);
479 if (uncompress((Bytef *) uncompressed_data,
480 (uLongf *) & destLen,
481 (const Bytef *) compressed_data,
482 (uLong) sourceLen) != Z_OK)
484 syslog(LOG_EMERG, "uncompress() error");
489 cdb->len = (size_t) destLen;
490 cdb->ptr = uncompressed_data;
495 * Store a piece of data. Returns 0 if the operation was successful. If a
496 * key already exists it should be overwritten.
498 int cdb_store(int cdb, const void *ckey, int ckeylen, void *cdata, int cdatalen)
505 struct CtdlCompressHeader zheader;
506 char *compressed_data = NULL;
508 size_t buffer_len = 0;
511 memset(&dkey, 0, sizeof(DBT));
512 memset(&ddata, 0, sizeof(DBT));
514 dkey.data = (void *)ckey;
515 ddata.size = cdatalen;
518 /* Only compress Visit and UseTable records. Everything else is uncompressed. */
519 if ( (cdb == CDB_VISIT) || (cdb == CDB_USETABLE) ) {
521 zheader.magic = COMPRESS_MAGIC;
522 zheader.uncompressed_len = cdatalen;
523 buffer_len = ((cdatalen * 101) / 100) + 100 + sizeof(struct CtdlCompressHeader);
524 destLen = (uLongf) buffer_len;
525 compressed_data = malloc(buffer_len);
526 if (compress2((Bytef *) (compressed_data + sizeof(struct CtdlCompressHeader)),
527 &destLen, (Bytef *) cdata, (uLongf) cdatalen, 1) != Z_OK)
529 syslog(LOG_EMERG, "compress2() error");
532 zheader.compressed_len = (size_t) destLen;
533 memcpy(compressed_data, &zheader, sizeof(struct CtdlCompressHeader));
534 ddata.size = (size_t) (sizeof(struct CtdlCompressHeader) + zheader.compressed_len);
535 ddata.data = compressed_data;
538 if (TSD->tid != NULL) {
539 ret = dbp[cdb]->put(dbp[cdb], /* db */
540 TSD->tid, /* transaction ID */
545 syslog(LOG_EMERG, "cdb_store(%d): %s", cdb, db_strerror(ret));
549 free(compressed_data);
553 bailIfCursor(TSD->cursors, "attempt to write during r/o cursor");
558 if ((ret = dbp[cdb]->put(dbp[cdb], /* db */
559 tid, /* transaction ID */
563 if (ret == DB_LOCK_DEADLOCK) {
567 syslog(LOG_EMERG, "cdb_store(%d): %s", cdb, db_strerror(ret));
573 free(compressed_data);
583 * Delete a piece of data. Returns 0 if the operation was successful.
585 int cdb_delete(int cdb, void *key, int keylen)
592 memset(&dkey, 0, sizeof dkey);
596 if (TSD->tid != NULL) {
597 ret = dbp[cdb]->del(dbp[cdb], TSD->tid, &dkey, 0);
599 syslog(LOG_EMERG, "cdb_delete(%d): %s", cdb, db_strerror(ret));
600 if (ret != DB_NOTFOUND) {
605 bailIfCursor(TSD->cursors, "attempt to delete during r/o cursor");
610 if ((ret = dbp[cdb]->del(dbp[cdb], tid, &dkey, 0))
611 && ret != DB_NOTFOUND) {
612 if (ret == DB_LOCK_DEADLOCK) {
616 syslog(LOG_EMERG, "cdb_delete(%d): %s",
617 cdb, db_strerror(ret));
627 static DBC *localcursor(int cdb)
632 if (TSD->cursors[cdb] == NULL)
633 ret = dbp[cdb]->cursor(dbp[cdb], TSD->tid, &curs, 0);
635 ret = TSD->cursors[cdb]->c_dup(TSD->cursors[cdb], &curs, DB_POSITION);
638 syslog(LOG_EMERG, "localcursor: %s", db_strerror(ret));
647 * Fetch a piece of data. If not found, returns NULL. Otherwise, it returns
648 * a struct cdbdata which it is the caller's responsibility to free later on
649 * using the cdb_free() routine.
651 struct cdbdata *cdb_fetch(int cdb, const void *key, int keylen)
653 struct cdbdata *tempcdb;
657 memset(&dkey, 0, sizeof(DBT));
659 dkey.data = (void *)key;
661 if (TSD->tid != NULL) {
662 memset(&dret, 0, sizeof(DBT));
663 dret.flags = DB_DBT_MALLOC;
664 ret = dbp[cdb]->get(dbp[cdb], TSD->tid, &dkey, &dret, 0);
669 memset(&dret, 0, sizeof(DBT));
670 dret.flags = DB_DBT_MALLOC;
672 curs = localcursor(cdb);
674 ret = curs->c_get(curs, &dkey, &dret, DB_SET);
677 while (ret == DB_LOCK_DEADLOCK);
681 if ((ret != 0) && (ret != DB_NOTFOUND)) {
682 syslog(LOG_EMERG, "cdb_fetch(%d): %s", cdb, db_strerror(ret));
688 tempcdb = (struct cdbdata *) malloc(sizeof(struct cdbdata));
690 if (tempcdb == NULL) {
691 syslog(LOG_EMERG, "cdb_fetch: Cannot allocate memory for tempcdb");
693 return NULL; /* make it easier for static analysis... */
697 tempcdb->len = dret.size;
698 tempcdb->ptr = dret.data;
699 cdb_decompress_if_necessary(tempcdb);
706 * Free a cdbdata item.
708 * Note that we only free the 'ptr' portion if it is not NULL. This allows
709 * other code to assume ownership of that memory simply by storing the
710 * pointer elsewhere and then setting 'ptr' to NULL. cdb_free() will then
713 void cdb_free(struct cdbdata *cdb)
721 void cdb_close_cursor(int cdb)
723 if (TSD->cursors[cdb] != NULL) {
724 cclose(TSD->cursors[cdb]);
727 TSD->cursors[cdb] = NULL;
731 * Prepare for a sequential search of an entire database.
732 * (There is guaranteed to be no more than one traversal in
733 * progress per thread at any given time.)
735 void cdb_rewind(int cdb)
739 if (TSD->cursors[cdb] != NULL) {
740 syslog(LOG_EMERG, "cdb_rewind: must close cursor on database %d before reopening.", cdb);
742 /* cclose(TSD->cursors[cdb]); */
746 * Now initialize the cursor
748 ret = dbp[cdb]->cursor(dbp[cdb], TSD->tid, &TSD->cursors[cdb], 0);
750 syslog(LOG_EMERG, "cdb_rewind: db_cursor: %s", db_strerror(ret));
757 * Fetch the next item in a sequential search. Returns a pointer to a
758 * cdbdata structure, or NULL if we've hit the end.
760 struct cdbdata *cdb_next_item(int cdb)
763 struct cdbdata *cdbret;
766 /* Initialize the key/data pair so the flags aren't set. */
767 memset(&key, 0, sizeof(key));
768 memset(&data, 0, sizeof(data));
769 data.flags = DB_DBT_MALLOC;
771 ret = TSD->cursors[cdb]->c_get(TSD->cursors[cdb], &key, &data, DB_NEXT);
774 if (ret != DB_NOTFOUND) {
775 syslog(LOG_EMERG, "cdb_next_item(%d): %s", cdb, db_strerror(ret));
778 cdb_close_cursor(cdb);
779 return NULL; /* presumably, end of file */
782 cdbret = (struct cdbdata *) malloc(sizeof(struct cdbdata));
783 cdbret->len = data.size;
784 cdbret->ptr = data.data;
785 cdb_decompress_if_necessary(cdbret);
793 * Transaction-based stuff. I'm writing this as I bake cookies...
796 void cdb_begin_transaction(void)
799 bailIfCursor(TSD->cursors, "can't begin transaction during r/o cursor");
801 if (TSD->tid != NULL) {
802 syslog(LOG_EMERG, "cdb_begin_transaction: ERROR: nested transaction");
809 void cdb_end_transaction(void)
813 for (i = 0; i < MAXCDB; i++)
814 if (TSD->cursors[i] != NULL) {
816 "cdb_end_transaction: WARNING: cursor %d still open at transaction end",
818 cclose(TSD->cursors[i]);
819 TSD->cursors[i] = NULL;
822 if (TSD->tid == NULL) {
823 syslog(LOG_ERR, "cdb_end_transaction: ERROR: txcommit(NULL) !!");
834 * Truncate (delete every record)
836 void cdb_trunc(int cdb)
842 if (TSD->tid != NULL) {
843 syslog(LOG_EMERG, "cdb_trunc must not be called in a transaction.");
847 bailIfCursor(TSD->cursors, "attempt to write during r/o cursor");
852 if ((ret = dbp[cdb]->truncate(dbp[cdb], /* db */
853 NULL, /* transaction ID */
854 &count, /* #rows deleted */
856 if (ret == DB_LOCK_DEADLOCK) {
860 syslog(LOG_EMERG, "cdb_truncate(%d): %s", cdb, db_strerror(ret));
862 syslog(LOG_EMERG, "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.");
873 time_t CheckIfAlreadySeen(StrBuf *guid, time_t now, time_t antiexpire, eCheckType cType)
875 time_t InDBTimeStamp = 0;
877 struct cdbdata *cdbut;
879 memset(&ut, 0, sizeof(struct UseTable)); // zeroing it out makes it compress better
883 syslog(LOG_DEBUG, "Loading [%s]", ChrPtr(guid));
884 cdbut = cdb_fetch(CDB_USETABLE, SKEY(guid));
885 if ((cdbut != NULL) && (cdbut->ptr != NULL)) {
886 memcpy(&ut, cdbut->ptr, ((cdbut->len > sizeof(struct UseTable)) ? sizeof(struct UseTable) : cdbut->len));
887 InDBTimeStamp = now - ut.ut_timestamp;
889 if (InDBTimeStamp < antiexpire)
891 syslog(LOG_DEBUG, "Found - Not expired %ld < %ld", InDBTimeStamp, antiexpire);
893 return InDBTimeStamp;
897 syslog(LOG_DEBUG, "Found - Expired. %ld >= %ld", InDBTimeStamp, antiexpire);
903 if (cdbut) cdb_free(cdbut);
905 syslog(LOG_DEBUG, "not Found");
906 if (cType == eCheckUpdate)
910 if (cType == eCheckExist)
911 return InDBTimeStamp;
914 memcpy(ut.ut_msgid, SKEY(guid));
915 ut.ut_timestamp = now;
917 /* rewrite the record anyway, to update the timestamp */
918 syslog(LOG_DEBUG, "(re)writing usetable record");
919 cdb_store(CDB_USETABLE, SKEY(guid), &ut, sizeof(struct UseTable));
920 return InDBTimeStamp;
924 void cmd_rsen(char *argbuf) {
930 struct cdbdata *cdbut;
932 if (CtdlAccessCheck(ac_aide)) return;
934 TLen = extract_token(Token, argbuf, 1, '|', sizeof Token);
935 if (strncmp(argbuf, "GET", 3) == 0) {
936 cdbut = cdb_fetch(CDB_USETABLE, Token, TLen);
938 memcpy(&ut, cdbut->ptr,
939 ((cdbut->len > sizeof(struct UseTable)) ?
940 sizeof(struct UseTable) : cdbut->len));
942 cprintf("%d %ld\n", CIT_OK, ut.ut_timestamp);
945 cprintf("%d not found\n", ERROR + NOT_HERE);
949 else if (strncmp(argbuf, "SET", 3) == 0) {
950 memcpy(ut.ut_msgid, Token, TLen);
951 extract_token(Time, argbuf, 2, '|', sizeof Time);
952 ut.ut_timestamp = atol(Time);
953 cdb_store(CDB_USETABLE,
955 &ut, sizeof(struct UseTable) );
956 cprintf("%d token updated\n", CIT_OK);
958 else if (strncmp(argbuf, "DEL", 3) == 0) {
959 if (cdb_delete(CDB_USETABLE, Token, TLen))
960 cprintf("%d not found\n", ERROR + NOT_HERE);
962 cprintf("%d deleted.\n", CIT_OK);
966 cprintf("%d Usage: [GET|SET|DEL]|Token|timestamp\n", ERROR);
971 CTDL_MODULE_INIT(database)
975 CtdlRegisterProtoHook(cmd_rsen, "RSEN", "manipulate Aggregators seen database");
978 /* return our module id for the log */