static int server_init(sd_bus **_bus) {
sd_bus *bus = NULL;
sd_id128_t id;
int r;
const char *unique;
assert_se(_bus);
r = sd_bus_open_user(&bus);
if (r < 0) {
log_error_errno(r, "Failed to connect to user bus: %m");
goto fail;
}
r = sd_bus_get_bus_id(bus, &id);
if (r < 0) {
log_error_errno(r, "Failed to get server ID: %m");
goto fail;
}
r = sd_bus_get_unique_name(bus, &unique);
if (r < 0) {
log_error_errno(r, "Failed to get unique name: %m");
goto fail;
}
log_info("Peer ID is " SD_ID128_FORMAT_STR ".", SD_ID128_FORMAT_VAL(id));
log_info("Unique ID: %s", unique);
log_info("Can send file handles: %i", sd_bus_can_send(bus, 'h'));
r = sd_bus_request_name(bus, "org.freedesktop.systemd.test", 0);
if (r < 0) {
log_error_errno(r, "Failed to acquire name: %m");
goto fail;
}
r = sd_bus_add_fallback(bus, NULL, "/foo/bar", object_callback, NULL);
if (r < 0) {
log_error_errno(r, "Failed to add object: %m");
goto fail;
}
r = sd_bus_add_match(bus, NULL, "type='signal',interface='foo.bar',member='Notify'", match_callback, NULL);
if (r < 0) {
log_error_errno(r, "Failed to add match: %m");
goto fail;
}
r = sd_bus_add_match(bus, NULL, "type='signal',interface='org.freedesktop.DBus',member='NameOwnerChanged'", match_callback, NULL);
if (r < 0) {
log_error_errno(r, "Failed to add match: %m");
goto fail;
}
bus_match_dump(&bus->match_callbacks, 0);
*_bus = bus;
return 0;
fail:
if (bus)
sd_bus_unref(bus);
return r;
}
static void *server(void *p) {
struct context *c = p;
sd_bus *bus = NULL;
sd_id128_t id;
bool quit = false;
int r;
assert_se(sd_id128_randomize(&id) >= 0);
assert_se(sd_bus_new(&bus) >= 0);
assert_se(sd_bus_set_fd(bus, c->fds[0], c->fds[0]) >= 0);
assert_se(sd_bus_set_server(bus, 1, id) >= 0);
assert_se(sd_bus_set_anonymous(bus, c->server_anonymous_auth) >= 0);
assert_se(sd_bus_negotiate_fds(bus, c->server_negotiate_unix_fds) >= 0);
assert_se(sd_bus_start(bus) >= 0);
while (!quit) {
_cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
r = sd_bus_process(bus, &m);
if (r < 0) {
log_error("Failed to process requests: %s", strerror(-r));
goto fail;
}
if (r == 0) {
r = sd_bus_wait(bus, (uint64_t) -1);
if (r < 0) {
log_error("Failed to wait: %s", strerror(-r));
goto fail;
}
continue;
}
if (!m)
continue;
log_info("Got message! member=%s", strna(sd_bus_message_get_member(m)));
if (sd_bus_message_is_method_call(m, "org.freedesktop.systemd.test", "Exit")) {
assert_se((sd_bus_can_send(bus, 'h') >= 1) == (c->server_negotiate_unix_fds && c->client_negotiate_unix_fds));
r = sd_bus_message_new_method_return(m, &reply);
if (r < 0) {
log_error("Failed to allocate return: %s", strerror(-r));
goto fail;
}
quit = true;
} else if (sd_bus_message_is_method_call(m, NULL, NULL)) {
r = sd_bus_message_new_method_error(
m,
&reply,
&SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_UNKNOWN_METHOD, "Unknown method."));
if (r < 0) {
log_error("Failed to allocate return: %s", strerror(-r));
goto fail;
}
}
if (reply) {
r = sd_bus_send(bus, reply, NULL);
if (r < 0) {
log_error("Failed to send reply: %s", strerror(-r));
goto fail;
}
}
}
r = 0;
fail:
if (bus) {
sd_bus_flush(bus);
sd_bus_unref(bus);
}
return INT_TO_PTR(r);
}
