performance

zhangmeng

2022-01-20 c765abc0380460a241f96ec931db203700c81b70

 src/nng_wrap.cpp

@@ -138,14 +138,14 @@
                msg = &pub->msg_.front();
                if (msg->topic_.empty()) {pub->msg_.pop_front(); continue;}
            }
            string sndmsg(msg->topic_ + msg->data_);
            string sndmsg = (string{msg->topic_}+='\0')+=msg->data_;
            int rc = nn_send(pub->socket_, sndmsg.data(), sndmsg.size(), 0);
            if (rc == (int)sndmsg.size()){
                char* tmp{};
                rc = nn_recv(pub->socket_, &tmp, NN_MSG, 0);
                if (rc > 0){
                    nn_freemsg(tmp);
                    printf("======>> publish topic %s data length %lu\n", msg->topic_.c_str(), msg->data_.size());
                    // printf("======>> publish topic %s data length %lu\n", msg->topic_.c_str(), msg->data_.size());
                    lock_guard<mutex> l{pub->mtx_msg_};
                    pub->msg_.pop_front();
                    continue;
@@ -162,6 +162,7 @@
}

int publish(const std::string& topic, const void* data, const int data_len, void* arg/*=NULL*/){
    // printf("======>> publish topic %s\n", topic.c_str());
    _ps* pub = (_ps*)arg;
    if (!pub) pub = singleton<_ps>();

@@ -209,19 +210,18 @@
            if (m_len > 0){
                string tmp_msg{m, (size_t)m_len};
                nn_freemsg(m);
                string topic{}, msg{};
                const auto topic{tmp_msg.c_str()};
                string msg{};
                {
                    lock_guard<mutex> l{(*sub)()};
                    lock_guard<mutex> l{sub->operator()()};
                    for(auto && i : sub->topics_){
                        if (tmp_msg.size() < i.size()) continue;
                        topic = move(tmp_msg.substr(0, i.size()));
                        if (topic == i){
                            msg = move(tmp_msg.substr(i.size()));
                        if (!!!i.compare(topic)){
                            msg = move(tmp_msg.substr(i.size()+1));
                            break;
                        }
                    }
                }
                printf("======>> subscribe recv topic %s msg length %lu\n", topic.c_str(), msg.length());
                // printf("======>> subscribe recv topic %s msg length %lu\n", topic, msg.length());
                if (!msg.empty()){
                    lock_guard<mutex> l(sub->mtx_msg_);
                    sub->msg_.emplace_back(topic, move(msg));
@@ -233,7 +233,7 @@
                    lock_guard<mutex> l{sub->mtx_failed_topics_};
                    if (!sub->failed_topics_.empty()){
                        for(auto iter = sub->failed_topics_.begin(); iter != sub->failed_topics_.end();){
                            if (nn_setsockopt(sub->socket_, NN_SUB, NN_SUB_UNSUBSCRIBE, iter->c_str(), iter->length()) >= 0){
                            if (nn_setsockopt(sub->socket_, NN_SUB, NN_SUB_SUBSCRIBE, iter->c_str(), iter->length()) >= 0){
                                iter = sub->failed_topics_.erase(iter);
                            }else{
                                iter++;
@@ -407,6 +407,7 @@
    case SEND:
        if ((rv = nng_aio_result(work->aio)) != 0) {
            nng_msg_free(work->msg);
            work->msg = NULL;
        }
        work->state = RECV;
        nng_ctx_recv(work->ctx, work->aio);
@@ -445,9 +446,11 @@
    w->user_data = rep;

    if ((rv = nng_aio_alloc(&w->aio, server_cb, w)) != 0) {
        nng_free(w, sizeof(*w));
        return NULL;
    }
    if ((rv = nng_ctx_open(&w->ctx, sock)) != 0) {
        nng_free(w, sizeof(*w));
        return NULL;
    }
    w->state = INIT;
@@ -473,6 +476,7 @@
    remove_exist(url);
    rv = nng_listen(*sock, url.c_str(), NULL, 0);
    if (rv < 0){
        for(int i = 0; i < count; i++) if(works[i]) nng_free(works[i], sizeof(work));
        free(works);
        PRNTVITAG("create_server nng_listen failed");
        PRNTVITAG(url);
@@ -509,6 +513,7 @@
        get<1>(get<1>(rep->socks_)) = port;
        ipc = "tcp://0.0.0.0:" + to_string(port);
        if(create_server(&get<0>(get<1>(rep->socks_)), ipc, 62, rep) != 0) return -1;
        // printf("======>> create server for remote port %d\n", port);
    }else {
        get<0>(get<1>(rep->socks_)).id = numeric_limits<int32_t>::max();
    }
@@ -518,11 +523,13 @@
            constexpr int idle = 10;
            const auto data = rr_unblocking_msg_.data();
            const auto data_size = rr_unblocking_msg_.size();
            constexpr int life_span = timeout_req_rep*10;

            auto f = [rep]{
                vector<struct work*> tmp{};
                lock_guard<mutex> l{rep->mtx_msg_};
                for(auto iter = rep->works_.begin(); iter != rep->works_.end();){
                    if ((iter->second+=idle) > timeout_req_rep){
                    if ((iter->second+=idle) > life_span){
                        tmp.push_back(iter->second.w_);
                        iter = rep->works_.erase(iter);
                    }else {
@@ -561,7 +568,7 @@
            return !rep->msg_.empty();
        });
        if (!status){
            PRNTVITAG("subscribe_read timeout");
            PRNTVITAG("read_request timeout");
            return -1;
        }
        auto iter = rep->msg_.begin();