/* called after SIGHUP */
void conf_reload(void)
{
upstype_t *upstmp, *upsnext;
upslogx(LOG_INFO, "SIGHUP: reloading configuration");
/* see if we can access upsd.conf before blowing away the config */
if (!check_file("upsd.conf"))
return;
/* reset retain flags on all known UPS entries */
upstmp = firstups;
while (upstmp) {
upstmp->retain = 0;
upstmp = upstmp->next;
}
/* reload from ups.conf */
read_upsconf();
upsconf_add(1); /* 1 = reloading */
/* now reread upsd.conf */
load_upsdconf(1); /* 1 = reloading */
/* now delete all UPS entries that didn't get reloaded */
upstmp = firstups;
while (upstmp) {
/* upstmp may be deleted during this pass */
upsnext = upstmp->next;
if (upstmp->retain == 0)
delete_ups(upstmp);
upstmp = upsnext;
}
/* did they actually delete the last UPS? */
if (firstups == NULL)
upslogx(LOG_WARNING, "Warning: no UPSes currently defined!");
/* and also make sure upsd.users can be read... */
if (!check_file("upsd.users"))
return;
/* delete all users */
user_flush();
/* and finally reread from upsd.users */
user_load();
}
static void reload_conf(void)
{
utype_t *tmp, *next;
upslogx(LOG_INFO, "Reloading configuration");
/* sanity check */
if (!check_file(configfile)) {
reload_flag = 0;
return;
}
/* flip through ups list, clear retain value */
tmp = firstups;
while (tmp) {
tmp->retain = 0;
tmp = tmp->next;
}
/* reset paranoia checker */
totalpv = 0;
/* reread upsmon.conf */
loadconfig();
/* go through the utype_t struct again */
tmp = firstups;
while (tmp) {
next = tmp->next;
/* !retain means it wasn't in the .conf this time around */
if (tmp->retain == 0)
delete_ups(tmp);
tmp = next;
}
/* see if the user just blew off a foot */
if (totalpv < minsupplies) {
upslogx(LOG_CRIT, "Fatal error: total power value (%d) less "
"than MINSUPPLIES (%d)", totalpv, minsupplies);
fatalx(EXIT_FAILURE, "Impossible power configuation, unable to continue");
}
/* finally clear the flag */
reload_flag = 0;
}