Class ProcessNode

example/E05-HttpServer.cpp:41–52

template<int STEP, int MS>
class ProcessNode : public GNode {
    CStatus run() override {
        auto param = CGRAPH_GET_GPARAM_WITH_NO_EMPTY(HttpParam, EXAMPLE_PARAM_KEY);
        {
            CGRAPH_PARAM_WRITE_CODE_BLOCK(param);
            CGRAPH_ECHO("process step %d, sleep %d ms, val is %d, loop is %d",
                STEP, MS, ++param->val_, ++param->loop_);
        }
        CGRAPH_SLEEP_MILLISECOND(MS);
        return CStatus();
    }
};


class ResponseNode : public GNode {