Method offer

examples/response-sample.cpp:63–66

    }

    void offer() {
        app_->offer_service(SAMPLE_SERVICE_ID, SAMPLE_INSTANCE_ID);
        app_->offer_service(SAMPLE_SERVICE_ID + 1, SAMPLE_INSTANCE_ID);
    }

    void stop_offer() {
        app_->stop_offer_service(SAMPLE_SERVICE_ID, SAMPLE_INSTANCE_ID);