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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "sd-event.h"
#include "sd-daemon.h"
#include "systemctl-util.h"
#include "systemctl-is-system-running.h"
#include "virt.h"
#include "systemctl.h"
#include "bus-util.h"
#include "bus-locator.h"
#include "bus-error.h"
static int match_startup_finished(sd_bus_message *m, void *userdata, sd_bus_error *error) {
char **state = ASSERT_PTR(userdata);
int r;
r = bus_get_property_string(sd_bus_message_get_bus(m), bus_systemd_mgr, "SystemState", NULL, state);
sd_event_exit(sd_bus_get_event(sd_bus_message_get_bus(m)), r);
return 0;
}
int verb_is_system_running(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot_startup_finished = NULL;
_cleanup_(sd_event_unrefp) sd_event* event = NULL;
_cleanup_free_ char *state = NULL;
sd_bus *bus;
int r;
if (!isempty(arg_root) || running_in_chroot() > 0 || (arg_transport == BUS_TRANSPORT_LOCAL && !sd_booted())) {
if (!arg_quiet)
puts("offline");
return EXIT_FAILURE;
}
r = acquire_bus(BUS_MANAGER, &bus);
if (r < 0)
return r;
if (arg_wait) {
r = sd_event_default(&event);
if (r >= 0)
r = sd_bus_attach_event(bus, event, 0);
if (r >= 0)
r = bus_match_signal_async(
bus,
&slot_startup_finished,
bus_systemd_mgr,
"StartupFinished",
match_startup_finished, NULL, &state);
if (r < 0) {
log_warning_errno(r, "Failed to request match for StartupFinished: %m");
arg_wait = false;
}
}
r = bus_get_property_string(bus, bus_systemd_mgr, "SystemState", &error, &state);
if (r < 0) {
log_warning_errno(r, "Failed to query system state: %s", bus_error_message(&error, r));
if (!arg_quiet)
puts("unknown");
return EXIT_FAILURE;
}
if (arg_wait && STR_IN_SET(state, "initializing", "starting")) {
r = sd_event_loop(event);
if (r < 0) {
log_warning_errno(r, "Failed to get property from event loop: %m");
if (!arg_quiet)
puts("unknown");
return EXIT_FAILURE;
}
}
if (!arg_quiet)
puts(state);
return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE;
}
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