static DBusHandlerResult
dsme_dbus_filter(DBusConnection *con, DBusMessage *msg, void *aptr)
{
if( dbus_message_is_signal(msg, DBUS_INTERFACE_LOCAL, "Disconnected") ) {
dsme_log(LOG_CRIT, "Disconnected from system bus; terminating");
dsme_exit(EXIT_FAILURE);
}
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
static void start_delayed_shutdown_timer(unsigned seconds)
{
if (!delayed_shutdown_timer) {
stop_delayed_runlevel_timers();
if (!(delayed_shutdown_timer = dsme_create_timer(seconds,
delayed_shutdown_fn,
NULL)))
{
dsme_log(LOG_CRIT, PFIX"Could not create a shutdown timer; exit!");
dsme_exit(EXIT_FAILURE);
return;
}
dsme_log(LOG_NOTICE, PFIX"Shutdown or reboot in %i seconds", seconds);
}
}
static bool start_delayed_user_timer(unsigned seconds)
{
bool success = false;
if (!delayed_shutdown_timer && !delayed_actdead_timer && !delayed_user_timer) {
if (!(delayed_user_timer = dsme_create_timer(seconds,
delayed_user_fn,
NULL)))
{
dsme_log(LOG_CRIT, PFIX"Could not create a user timer; exit!");
dsme_exit(EXIT_FAILURE);
return false;
}
success = true;
dsme_log(LOG_NOTICE, PFIX"User in %i seconds", seconds);
}
return success;
}
/*
* This function will do the shutdown or reboot (based on desired runlevel).
* If the telinit is present, runlevel change is requested.
* Otherwise function will shutdown/reboot by itself.
* TODO: How to make sure runlevel transition work
* TODO: Is checking telinit reliable enough?
*/
static void shutdown(dsme_runlevel_t runlevel)
{
char command[64];
if ((runlevel != DSME_RUNLEVEL_REBOOT) &&
(runlevel != DSME_RUNLEVEL_SHUTDOWN) &&
(runlevel != DSME_RUNLEVEL_MALF))
{
dsme_log(LOG_WARNING, "Shutdown request to bad runlevel (%d)", runlevel);
return;
}
dsme_log(LOG_NOTICE,
runlevel == DSME_RUNLEVEL_SHUTDOWN ? "Shutdown" :
runlevel == DSME_RUNLEVEL_REBOOT ? "Reboot" :
"Malf");
/* If we have systemd, use systemctl commands */
if (access("/bin/systemctl", X_OK) == 0) {
if (runlevel == DSME_RUNLEVEL_SHUTDOWN) {
snprintf(command, sizeof(command), "/bin/systemctl --no-block poweroff");
} else if (runlevel == DSME_RUNLEVEL_REBOOT) {
snprintf(command, sizeof(command), "/bin/systemctl --no-block reboot");
} else {
dsme_log(LOG_WARNING, "MALF not supported by our systemd implementation");
goto fail_and_exit;
}
dsme_log(LOG_NOTICE, "Issuing %s", command);
if (system(command) != 0) {
dsme_log(LOG_WARNING, "command %s failed: %m", command);
/* We ignore error. No retry or anything else */
}
}
/* If runlevel change fails, handle the shutdown/reboot by DSME */
else if (!change_runlevel(runlevel))
{
dsme_log(LOG_CRIT, "Doing forced shutdown/reboot");
sync();
(void)remount_mmc_readonly();
if (runlevel == DSME_RUNLEVEL_SHUTDOWN ||
runlevel == DSME_RUNLEVEL_MALF)
{
if (access("/sbin/poweroff", X_OK) == 0) {
snprintf(command, sizeof(command), "/sbin/poweroff");
} else {
snprintf(command, sizeof(command), "/usr/sbin/poweroff");
}
dsme_log(LOG_CRIT, "Issuing %s", command);
if (system(command) != 0) {
dsme_log(LOG_ERR, "%s failed, trying again in 3s", command);
sleep(3);
if (system(command) != 0) {
dsme_log(LOG_ERR, "%s failed again", command);
goto fail_and_exit;
}
}
} else {
if (access("/sbin/reboot", X_OK) == 0) {
snprintf(command, sizeof(command), "/sbin/reboot");
} else {
snprintf(command, sizeof(command), "/usr/sbin/reboot");
}
dsme_log(LOG_CRIT, "Issuing %s", command);
if (system(command) != 0) {
dsme_log(LOG_ERR, "%s failed, trying again in 3s", command);
sleep(3);
if (system(command) != 0) {
dsme_log(LOG_ERR, "%s failed again", command);
goto fail_and_exit;
}
}
}
}
return;
fail_and_exit:
dsme_log(LOG_CRIT, "Closing to clean-up!");
dsme_exit(EXIT_FAILURE);
}
