explicit MySubMessageNode(int connId) {

conn_id_ = connId;

}

CStatus init() override {

CGraph::CGRAPH_ECHO("==> [%s] [init] get conn id = [%d]",

this->getName().c_str(), conn_id_);

return CStatus();

}

CStatus run() override {

std::unique_ptr<MyMessageParam> mp = nullptr; // 通过智能指针类型，接收一个消息。相比value接收(Recv or Sub)，性能会好一些

CStatus status = CGRAPH_SUB_MPARAM(MyMessageParam, conn_id_, mp)

if (!status.isOK()) {

CGraph::CGRAPH_ECHO("[%s] recv message error", this->getName().c_str());

return status;

}

CGraph::CGRAPH_ECHO("[%s] conn id = [%d], num = [%d], info = [%s]",

this->getName().c_str(), conn_id_, mp->num, mp->info.c_str());

return status;

}

CIndex conn_id_;