+ r = sd_bus_message_new_method_call(
+ bus,
+ "org.freedesktop.systemd.test",
+ "/foo/bar/waldo/piep",
+ "org.object.test",
+ "Foobar",
+ &m);
+ if (r < 0) {
+ log_error("Failed to allocate method call: %s", strerror(-r));
+ goto finish;
+ }
+
+ r = sd_bus_send(bus, m, NULL);
+ if (r < 0) {
+ log_error("Failed to issue method call: %s", bus_error_message(&error, -r));
+ goto finish;
+ }
+
+ sd_bus_message_unref(m);
+ m = NULL;
+
+ r = sd_bus_message_new_signal(
+ bus,
+ "/foobar",
+ "foo.bar",
+ "Notify",
+ &m);
+ if (r < 0) {
+ log_error("Failed to allocate signal: %s", strerror(-r));
+ goto finish;
+ }
+
+ r = sd_bus_send(bus, m, NULL);
+ if (r < 0) {
+ log_error("Failed to issue signal: %s", bus_error_message(&error, -r));
+ goto finish;
+ }
+
+ sd_bus_message_unref(m);
+ m = NULL;
+
+ r = sd_bus_message_new_method_call(
+ bus,
+ "org.freedesktop.systemd.test",
+ "/",
+ "org.freedesktop.DBus.Peer",
+ "GetMachineId",
+ &m);
+ if (r < 0) {
+ log_error("Failed to allocate method call: %s", strerror(-r));
+ goto finish;
+ }
+
+ r = sd_bus_send_with_reply_and_block(bus, m, 0, &error, &reply);
+ if (r < 0) {
+ log_error("Failed to issue method call: %s", bus_error_message(&error, -r));
+ goto finish;
+ }
+
+ r = sd_bus_message_read(reply, "s", &mid);
+ if (r < 0) {
+ log_error("Failed to parse machine ID: %s", strerror(-r));
+ goto finish;
+ }
+
+ log_info("Machine ID is %s.", mid);
+
+ sd_bus_message_unref(m);
+ m = NULL;
+