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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <stdio.h>
#include <unistd.h>
#include "sd-bus.h"
#include "bus-internal.h"
#include "bus-message.h"
#include "process-util.h"
#include "tests.h"
static bool use_system_bus = false;
static void test_bus_new(void) {
_cleanup_(sd_bus_unrefp) sd_bus *bus = NULL;
assert_se(sd_bus_new(&bus) == 0);
assert_se(bus->n_ref == 1);
}
static void test_bus_fork(void) {
_cleanup_(sd_bus_unrefp) sd_bus *bus = NULL;
int r;
assert_se(sd_bus_new(&bus) == 0);
assert_se(bus->n_ref == 1);
/* Check that after a fork the cleanup functions return NULL */
r = safe_fork("(bus-fork-test)", FORK_WAIT|FORK_LOG, NULL);
if (r == 0) {
assert_se(bus);
assert_se(sd_bus_is_ready(bus) == -ECHILD);
assert_se(sd_bus_flush_close_unref(bus) == NULL);
assert_se(sd_bus_close_unref(bus) == NULL);
assert_se(sd_bus_unref(bus) == NULL);
sd_bus_close(bus);
assert_se(bus->n_ref == 1);
_exit(EXIT_SUCCESS);
}
assert_se(r >= 0);
assert_se(bus->n_ref == 1);
}
static int test_bus_open(void) {
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
int r;
r = sd_bus_open_user(&bus);
if (IN_SET(r, -ECONNREFUSED, -ENOENT, -ENOMEDIUM)) {
r = sd_bus_open_system(&bus);
if (IN_SET(r, -ECONNREFUSED, -ENOENT))
return r;
use_system_bus = true;
}
assert_se(r >= 0);
assert_se(bus->n_ref >= 1); /* we send a hello message when opening, so the count is above 1 */
return 0;
}
static void test_bus_new_method_call(void) {
sd_bus *bus = NULL;
_cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
assert_se(use_system_bus ? sd_bus_open_system(&bus) >= 0 : sd_bus_open_user(&bus) >= 0);
assert_se(sd_bus_message_new_method_call(bus, &m, "a.service.name", "/an/object/path", "an.interface.name", "AMethodName") >= 0);
assert_se(m->n_ref == 1); /* We hold the only reference to the message */
assert_se(bus->n_ref >= 2);
sd_bus_flush_close_unref(bus);
assert_se(m->n_ref == 1);
}
static void test_bus_new_signal(void) {
sd_bus *bus = NULL;
_cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
assert_se(use_system_bus ? sd_bus_open_system(&bus) >= 0 : sd_bus_open_user(&bus) >= 0);
assert_se(sd_bus_message_new_signal(bus, &m, "/an/object/path", "an.interface.name", "Name") >= 0);
assert_se(m->n_ref == 1); /* We hold the only reference to the message */
assert_se(bus->n_ref >= 2);
sd_bus_flush_close_unref(bus);
assert_se(m->n_ref == 1);
}
int main(int argc, char **argv) {
test_setup_logging(LOG_INFO);
test_bus_new();
test_bus_fork();
if (test_bus_open() < 0)
return log_tests_skipped("Failed to connect to bus");
test_bus_new_method_call();
test_bus_new_signal();
return EXIT_SUCCESS;
}
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