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systemctl: move shutdown cancelling code into its own function

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Let's make sure the main switch statement only invokes functions, but
doesn't do anything real on its own.
This commit is contained in:
Lennart Poettering 2015-09-24 11:56:04 +02:00
parent 4f16c1f479
commit 949d9ce954
1 changed files with 32 additions and 27 deletions
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59
src/systemctl/systemctl.c
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@ -7562,6 +7562,36 @@ static int runlevel_main(void) {
return 0;
}
static int cancel_shutdown(void) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_flush_close_unref_ sd_bus *b = NULL;
int r;
if (avoid_bus()) {
log_error("Unable to perform operation without bus connection.");
return -ENOSYS;
}
r = sd_bus_open_system(&b);
if (r < 0)
return log_error_errno(r, "Unable to open system bus: %m");
(void) set_wall_message(b);
r = sd_bus_call_method(
b,
"org.freedesktop.login1",
"/org/freedesktop/login1",
"org.freedesktop.login1.Manager",
"CancelScheduledShutdown",
&error,
NULL, NULL);
if (r < 0)
return log_warning_errno(r, "Failed to talk to logind, shutdown hasn't been cancelled: %s", bus_error_message(&error, r));
return 0;
}
int main(int argc, char*argv[]) {
_cleanup_bus_flush_close_unref_ sd_bus *bus = NULL;
int r;
@ -7622,34 +7652,9 @@ int main(int argc, char*argv[]) {
r = reload_with_fallback(bus);
break;
case ACTION_CANCEL_SHUTDOWN: {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_flush_close_unref_ sd_bus *b = NULL;
if (avoid_bus()) {
log_error("Unable to perform operation without bus connection.");
return -ENOSYS;
}
r = sd_bus_open_system(&b);
if (r < 0)
return log_error_errno(r, "Unable to open system bus: %m");
(void) set_wall_message(b);
r = sd_bus_call_method(
b,
"org.freedesktop.login1",
"/org/freedesktop/login1",
"org.freedesktop.login1.Manager",
"CancelScheduledShutdown",
&error,
NULL, NULL);
if (r < 0)
log_warning_errno(r, "Failed to talk to logind, shutdown hasn't been cancelled: %s",
bus_error_message(&error, r));
case ACTION_CANCEL_SHUTDOWN:
r = cancel_shutdown();
break;
}
case ACTION_RUNLEVEL:
r = runlevel_main();