int main(int argc, char *argv[]) {
        _cleanup_(sd_event_unrefp) sd_event *event = NULL;
        _cleanup_(sd_bus_track_unrefp) sd_bus_track *x = NULL, *y = NULL;
        _cleanup_(sd_bus_unrefp) sd_bus *a = NULL, *b = NULL;
        const char *unique;
        int r;

        r = sd_event_default(&event);
        assert_se(r >= 0);

        r = sd_bus_open_system(&a);
        if (IN_SET(r, -ECONNREFUSED, -ENOENT)) {
                log_info("Failed to connect to bus, skipping tests.");
                return EXIT_TEST_SKIP;
        }
        assert_se(r >= 0);

        r = sd_bus_attach_event(a, event, SD_EVENT_PRIORITY_NORMAL);
        assert_se(r >= 0);

        r = sd_bus_open_system(&b);
        assert_se(r >= 0);

        r = sd_bus_attach_event(b, event, SD_EVENT_PRIORITY_NORMAL);
        assert_se(r >= 0);

        /* Watch b's name from a */
        r = sd_bus_track_new(a, &x, track_cb_x, NULL);
        assert_se(r >= 0);

        r = sd_bus_get_unique_name(b, &unique);
        assert_se(r >= 0);

        r = sd_bus_track_add_name(x, unique);
        assert_se(r >= 0);

        /* Watch's a's own name from a */
        r = sd_bus_track_new(a, &y, track_cb_y, NULL);
        assert_se(r >= 0);

        r = sd_bus_get_unique_name(a, &unique);
        assert_se(r >= 0);

        r = sd_bus_track_add_name(y, unique);
        assert_se(r >= 0);

        /* Now make b's name disappear */
        sd_bus_close(b);

        r = sd_event_loop(event);
        assert_se(r >= 0);

        assert_se(track_cb_called_x);
        assert_se(track_cb_called_y);

        return 0;
}
Beispiel #2
0
_public_ int sd_bus_track_add_sender(sd_bus_track *track, sd_bus_message *m) {
        const char *sender;

        assert_return(track, -EINVAL);
        assert_return(m, -EINVAL);

        sender = sd_bus_message_get_sender(m);
        if (!sender)
                return -EINVAL;

        return sd_bus_track_add_name(track, sender);
}
Beispiel #3
0
int bus_scope_track_controller(Scope *s) {
        int r;

        assert(s);

        if (!s->controller || s->controller_track)
                return 0;

        r = sd_bus_track_new(UNIT(s)->manager->api_bus, &s->controller_track, on_controller_gone, s);
        if (r < 0)
                return r;

        r = sd_bus_track_add_name(s->controller_track, s->controller);
        if (r < 0) {
                s->controller_track = sd_bus_track_unref(s->controller_track);
                return r;
        }

        return 0;
}