void *
logfile_thread(void *arg)
{
DB_ENV *dbenv;
int ret;
char **begin, **list;
dbenv = arg;
dbenv->errx(dbenv,
"Log file removal thread: %lu", (u_long)pthread_self());
/* Check once every 5 minutes. */
for (;; sleep(300)) {
/* Get the list of log files. */
if ((ret =
dbenv->log_archive(dbenv, &list, DB_ARCH_ABS)) != 0) {
dbenv->err(dbenv, ret, "DB_ENV->log_archive");
exit (1);
}
/* Remove the log files. */
if (list != NULL) {
for (begin = list; *list != NULL; ++list)
if ((ret = remove(*list)) != 0) {
dbenv->err(dbenv,
ret, "remove %s", *list);
exit (1);
}
free (begin);
}
}
/* NOTREACHED */
}
void *db_maint(void *arg)
{
DB_ENV *dbenv = arg;
int i, ret;
char **begin, **list;
for(;; sleep(db_maint_delay * 60))
{
if((ret = dbenv->txn_checkpoint(dbenv, 0, 0, DB_FORCE)) != 0)
{
NETERROR(MRADC, ("db_maint thread: checkpoint failed: %d\n", ret));
}
if((ret = dbenv->log_archive(dbenv, &list, DB_ARCH_ABS)) != 0)
{
NETERROR(MRADC, ("db_maint thread: log archive failed: %d\n", ret));
}
if(list != NULL)
{
for(begin = list; *list != NULL; ++list)
{
if((ret = remove(*list)) != 0)
{
NETERROR(MRADC, ("db_maint thread: remove %s failed: %d\n", *list, ret));
}
}
free(begin);
}
}
}
static void
cleanup()
{
int rc;
DB *db;
DB_ENV *dbenv;
rc = get_db(&db, 0);
assert(! rc);
rc = get_dbenv(&dbenv, 0);
assert(! rc);
if (dbkey.data)
free(dbkey.data);
if (db)
call_db(db->close(db, 0), "DB close");
if (dbenv) {
rc = call_db(db_create(&db, dbenv, 0), "db_create");
if (!rc)
if (! db->remove(db, "tls_stats.db", 0, 0))
syslog(LOG_NOTICE, "Unused database tls_stats.db removed");
call_db(dbenv->txn_checkpoint(dbenv, 100 * 1024, 24 * 60, 0),
"txn_checkpoint");
call_db(dbenv->log_archive(dbenv, NULL, DB_ARCH_REMOVE), "log_archive");
call_db(dbenv->close(dbenv, 0), "DB_ENV close");
}
policy_cleanup();
}
/*
* This should be done before the program is open for business.
* As such, it does not need to be reentrant.
*/
int
open_db_env(char *topdir)
{
DB_ENV *tmpenv = NULL;
int st;
struct stat64 sbuf;
char logdir[MAXPATHLEN+1];
char tmpdir[MAXPATHLEN+1];
char *dirarr[3];
int i;
if (topdir == NULL) {
return (-1);
}
snprintf(logdir, sizeof (tmpdir), "%s/.logs", topdir);
snprintf(tmpdir, sizeof (tmpdir), "%s/.tmp", topdir);
dirarr[0] = topdir;
dirarr[1] = logdir;
dirarr[2] = tmpdir;
/* first, set up the environment */
st = db_env_create(&tmpenv, 0);
if (st != 0) {
return (st);
}
/* make sure the directories exist */
for (i = 0; i < 3; i++) {
st = stat64(dirarr[i], &sbuf);
if ((st != 0) && (errno == ENOENT)) {
st = mkdirp(dirarr[i], 0744);
if (st == 0) {
st = stat64(dirarr[i], &sbuf);
}
}
if ((st == 0) && (!S_ISDIR(sbuf.st_mode))) {
st = -1;
break;
}
}
if (st != 0) {
return (st);
}
st = tmpenv->set_data_dir(tmpenv, topdir);
if (st != 0) {
return (st);
}
st = tmpenv->set_lg_dir(tmpenv, logdir);
if (st != 0) {
return (st);
}
st = tmpenv->set_tmp_dir(tmpenv, tmpdir);
if (st != 0) {
return (st);
}
st = tmpenv->set_flags(tmpenv, env_fl, 1);
if (st != 0) {
return (st);
}
/* overall database cache size */
st = tmpenv->set_cachesize(tmpenv, 0, (60 * MEGA), 1);
st = tmpenv->set_shm_key(tmpenv, FSM_SHM_MASTER_KEY);
if (st != 0) {
return (st);
}
/* log buffer in memory */
st = tmpenv->set_lg_bsize(tmpenv, (30 * MEGA));
if (st != 0) {
return (st);
}
/* set up additional error logging */
tmpenv->set_errcall(tmpenv, fsmdb_log_err);
/* Increase the number of locks available */
tmpenv->set_lk_max_locks(tmpenv, 10000);
tmpenv->set_lk_max_lockers(tmpenv, 10000);
tmpenv->set_lk_max_objects(tmpenv, 10000);
/* Increase the number of concurrent transactions available */
/* Note: Default in 4.4-20 is '20'. In later versions it's 100 */
tmpenv->set_tx_max(tmpenv, 100);
st = tmpenv->open(tmpenv, topdir, env_ofl, 0644);
if (st != 0) {
/* check for a major failure */
if (st == DB_RUNRECOVERY) {
st = tmpenv->open(tmpenv, topdir, env_ffl, 0644);
}
/* log catastrophic failure and remove all db files. */
if (st == DB_RUNRECOVERY) {
fsmdb_log_err(dbEnv, NULL,
"Database files corrupt, cannot recover. "
"Files will be removed. Please re-index any "
"recovery points to regenerate the database.");
fsmdb_remove_all(topdir);
}
}
if (st != 0) {
return (st);
}
/* clear out unneeded log files */
tmpenv->log_archive(tmpenv, NULL, DB_ARCH_REMOVE);
/* all set, ready to use */
dbEnv = tmpenv;
return (st);
}
