| | |
| | | // simple interface |
| | | |
| | | void free_nng(void* data, const int data_len){ |
| | | if (data){ |
| | | free(data); |
| | | } |
| | | free(data); |
| | | } |
| | | |
| | | void copy_memory(void** dest, int *dest_len, const void* src, const int src_len){ |
| | |
| | | *dest_len = src_len; |
| | | } |
| | | |
| | | void set_last_error(const std::string& emsg){ |
| | | // verbose_info += emsg; |
| | | } |
| | | |
| | | void get_last_error(int* ec, void** emsg, int* emsg_len){ |
| | | *emsg = NULL; |
| | | *emsg_len = 0; |
| | | |
| | | *ec = nn_errno(); |
| | | const char* msg = nn_strerror(*ec); |
| | | string strMsg(msg); |
| | | strMsg = strMsg + "{" + verbose_info + "}"; |
| | | copy_memory(emsg, emsg_len, strMsg.data(), strMsg.size()); |
| | | verbose_info.clear(); |
| | | // string strMsg(msg); |
| | | // strMsg = strMsg + "{" + verbose_info + "}"; |
| | | // copy_memory(emsg, emsg_len, strMsg.data(), strMsg.size()); |
| | | // verbose_info.clear(); |
| | | |
| | | copy_memory(emsg, emsg_len, msg, strlen(msg)); |
| | | } |
| | | |
| | | /////////////////////////////////////////////////////// |
| | |
| | | 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; |
| | |
| | | } |
| | | |
| | | 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>(); |
| | | |
| | |
| | | PRNTVITAG("client_socket faild\n"); |
| | | return -1; |
| | | } |
| | | // set_socket_timeout(sock, timeout_req_rep); |
| | | set_socket_timeout(sock, 300); |
| | | sub->socket_ = sock; |
| | | sub->t_ = get_thread([](const auto sub){ |
| | | while (!sub->t_quit_.load()) { |
| | | char* m; |
| | | int m_len = nn_recv(sub->socket_, &m, NN_MSG, NN_DONTWAIT); |
| | | char* m{}; |
| | | // int m_len = nn_recv(sub->socket_, &m, NN_MSG, NN_DONTWAIT); |
| | | int m_len = nn_recv(sub->socket_, &m, NN_MSG, 0); |
| | | if (m_len > 0){ |
| | | string tmp_msg{m, (size_t)m_len}; |
| | | nn_freemsg(m); |
| | | string topic{}, msg{}; |
| | | string 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)); |
| | | sub->msg_.emplace_back(move(topic), move(msg)); |
| | | sub->cv_msg_.notify_all(); |
| | | } |
| | | |
| | |
| | | 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++; |
| | |
| | | PRNTVITAG("subscribe_read timeout"); |
| | | return -1; |
| | | } |
| | | const auto& tmp = sub->msg_.front(); |
| | | *topic = tmp.topic_; |
| | | *msg = tmp.data_; |
| | | auto& tmp = sub->msg_.front(); |
| | | *topic = std::move(tmp.topic_); |
| | | *msg = std::move(tmp.data_); |
| | | sub->msg_.pop_front(); |
| | | |
| | | return 0; |
| | |
| | | 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); |
| | |
| | | |
| | | static void cb_recv_for_aio(work* w){ |
| | | nng_msg *om = w->msg; |
| | | if (!om) return; |
| | | if (!om) {nng_sleep_aio(0, w->aio); return;} |
| | | |
| | | _rr* rep = (_rr*)w->user_data; |
| | | |
| | | string msg{(const char*)nng_msg_body(om), nng_msg_len(om)}; |
| | | nng_msg_free(om); |
| | | |
| | | auto t = (*rep)(); |
| | | lock_guard<mutex> l{rep->mtx_msg_}; |
| | | rep->works_.emplace(get<0>(t), w); |
| | | get<1>(t).emplace(get<0>(t), move(msg)); |
| | | get<1>(t).emplace(get<0>(t), string{(const char*)nng_msg_body(om), nng_msg_len(om)}); |
| | | get<0>(t)++; |
| | | rep->cv_msg_.notify_all(); |
| | | |
| | | nng_msg_free(om); |
| | | } |
| | | |
| | | static struct work *alloc_work(nng_socket sock, _rr* rep) |
| | | static struct work *alloc_work(nng_socket sock, _rr* rep, const int mode) |
| | | { |
| | | struct work *w; |
| | | int rv; |
| | |
| | | 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; |
| | | w->mode = mode; |
| | | |
| | | return (w); |
| | | } |
| | | |
| | | static int create_server(nng_socket* sock, const string& url, const int count, _rr* rep){ |
| | | static int create_server(nng_socket* sock, const string& url, const int count, _rr* rep, const int mode){ |
| | | TAG; |
| | | if (sock->id > 0) return 0; |
| | | |
| | |
| | | |
| | | work** works = (work**)malloc(sizeof(void*) * count); |
| | | for (int i = 0; i < count; i++) { |
| | | works[i] = alloc_work(*sock, rep); |
| | | works[i] = alloc_work(*sock, rep, mode); |
| | | } |
| | | |
| | | 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); |
| | |
| | | ipc = url; |
| | | } |
| | | rep->url_ = ipc; |
| | | if(create_server(&get<0>(rep->socks_), ipc, 62, rep) != 0) return -1; |
| | | if(create_server(&get<0>(rep->socks_), ipc, 62, rep, REPLY_IPC) != 0) return -1; |
| | | |
| | | if (port > 0){ |
| | | 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; |
| | | if(create_server(&get<0>(get<1>(rep->socks_)), ipc, 62, rep, REPLY_TCP) != 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(); |
| | | } |
| | |
| | | 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 { |
| | |
| | | int tm = to_ms > 0 ? to_ms : 30; |
| | | |
| | | uint64_t key{}; |
| | | work* w{}; |
| | | { |
| | | unique_lock<mutex> l(rep->mtx_msg_); |
| | | auto status = rep->cv_msg_.wait_for(l, chrono::milliseconds{tm}, [rep]{ |
| | | return !rep->msg_.empty(); |
| | | }); |
| | | if (!status){ |
| | | PRNTVITAG("subscribe_read timeout"); |
| | | PRNTVITAG("read_request timeout"); |
| | | return -1; |
| | | } |
| | | auto iter = rep->msg_.begin(); |
| | | key = iter->first; |
| | | *msg = move(iter->second); |
| | | rep->msg_.erase(iter); |
| | | auto witer = rep->works_.find(key); |
| | | if (witer != rep->works_.end()){ |
| | | w = witer->second; |
| | | } |
| | | } |
| | | |
| | | *src = malloc(sizeof(uint64_t)); |
| | | *(uint64_t*)(*src) = key; |
| | | if (!w) return -1; |
| | | |
| | | return 0; |
| | | *src = malloc(sizeof(key)); |
| | | memcpy(*src, &key, sizeof(key)); |
| | | |
| | | return w->mode; |
| | | } |
| | | |
| | | int send_reply(const void* src, const void* msg, const int msg_len, void* arg/*=NULL*/){ |
| | | int send_reply(void* src, const void* msg, const int msg_len, void* arg/*=NULL*/){ |
| | | _rr* rep = (_rr*)arg; |
| | | if (!rep) rep = singleton<_rr>(); |
| | | |
| | | struct work* w{}; |
| | | { |
| | | auto key = *(static_cast<uint64_t*>(const_cast<void*>(src))); |
| | | uint64_t key; |
| | | memcpy(&key, src, sizeof(key)); |
| | | // auto key = *(static_cast<uint64_t*>(const_cast<void*>(src))); |
| | | free(src); |
| | | |
| | | lock_guard<mutex> l{rep->mtx_msg_}; |
| | | auto iter = rep->works_.find(key); |