| | |
| | | } |
| | | } |
| | | |
| | | static int server_socket(const string& url, const int protocol, int family=AF_SP){ |
| | | int sock = nn_socket(family, protocol); |
| | | if (sock < 0) return sock; |
| | | remove_exist(url); |
| | | int rc = nn_bind(sock, url.c_str()); |
| | | if (rc < 0) { |
| | | nn_close(sock); |
| | | return rc; |
| | | } |
| | | return sock; |
| | | } |
| | | // static int server_socket(const string& url, const int protocol, int family=AF_SP){ |
| | | // int sock = nn_socket(family, protocol); |
| | | // if (sock < 0) return sock; |
| | | // remove_exist(url); |
| | | // int rc = nn_bind(sock, url.c_str()); |
| | | // if (rc < 0) { |
| | | // nn_close(sock); |
| | | // return rc; |
| | | // } |
| | | // return sock; |
| | | // } |
| | | |
| | | static void set_socket_timeout(int sock, const int to_ms){ |
| | | nn_setsockopt(sock, NN_SOL_SOCKET, NN_SNDTIMEO, &to_ms, sizeof(to_ms)); |
| | |
| | | *dest_len = src_len; |
| | | } |
| | | |
| | | static string verbose_info{}; |
| | | static thread_local string verbose_info{}; |
| | | #ifndef PRNTVITAG |
| | | // #define TAG do{ \ |
| | | // if (verbose_info.length() > 8096) verbose_info.clear(); \ |
| | | // verbose_info=string("function [")+__FUNCTION__+string("]");}while(0) |
| | | /* #define PRNTVITAG(msg) do{ \ |
| | | if (verbose_info.length() > 8096) verbose_info.clear(); \ |
| | | #define TAG do{ verbose_info.clear(); \ |
| | | verbose_info=string("function [")+__FUNCTION__+string("]"); \ |
| | | }while(0) |
| | | #define PRNTVITAG(msg) do{ \ |
| | | verbose_info+=string("-> (") + msg + string(")"); \ |
| | | }while(0) */ |
| | | #define TAG |
| | | #define PRNTVITAG(args) |
| | | }while(0) |
| | | // #define TAG |
| | | // #define PRNTVITAG(args) |
| | | #endif |
| | | void get_last_error(int* ec, void** emsg, int* emsg_len){ |
| | | *emsg = NULL; |
| | |
| | | |
| | | /////////////////////////////////////////////////////////// |
| | | // base class |
| | | #define DISABLE_COPY_AND_ASSIGN(className) className(const className&)=delete; \ |
| | | className(className&&)=delete; \ |
| | | className& operator=(const className&)=delete; \ |
| | | className& operator=(className&&)=delete |
| | | #define DISABLE_COPY_AND_ASSIGN(className) \ |
| | | className(const className&)=delete; \ |
| | | className(className&&)=delete; \ |
| | | className& operator=(const className&)=delete; \ |
| | | className& operator=(className&&)=delete |
| | | |
| | | class _nn{ |
| | | public: |
| | | DISABLE_COPY_AND_ASSIGN(_nn); |
| | |
| | | |
| | | /////////////////////////////////////////////// |
| | | // publish |
| | | struct psmsg{ |
| | | DISABLE_COPY_AND_ASSIGN(psmsg); |
| | | psmsg()=delete; |
| | | psmsg(const std::string& t, std::string&& m) |
| | | :topic_(t),msg_(std::move(m)){} |
| | | std::string topic_{}; |
| | | std::string msg_{}; |
| | | }; |
| | | |
| | | class _ps : public _nn{ |
| | | public: |
| | | struct psmsg{ |
| | | DISABLE_COPY_AND_ASSIGN(psmsg); |
| | | psmsg()=delete; |
| | | psmsg(const std::string& t, std::string&& m) |
| | | :topic_(t),data_(std::move(m)){} |
| | | std::string topic_{}; |
| | | std::string data_{}; |
| | | }; |
| | | public: |
| | | DISABLE_COPY_AND_ASSIGN(_ps); |
| | | _ps()=default; |
| | |
| | | pub_.socket_ = sock; |
| | | pub_.t_ = thread([]{ |
| | | while (!pub_.t_quit_.load()) { |
| | | psmsg *msg{NULL}; |
| | | _ps::psmsg *msg{NULL}; |
| | | { |
| | | unique_lock<mutex> l{pub_.mtx_msg_}; |
| | | pub_.cv_msg_.wait(l, []{ |
| | |
| | | msg = &pub_.msg_.front(); |
| | | if (msg->topic_.empty()) {pub_.msg_.pop_front(); continue;} |
| | | } |
| | | const auto &topic = msg->topic_; |
| | | const auto topic_size = topic.size(); |
| | | const auto &data = msg->msg_; |
| | | const auto data_size = data.size(); |
| | | |
| | | char *sndmsg = (char*)malloc(topic_size + data_size); |
| | | memcpy(sndmsg, topic.data(), topic_size); |
| | | memcpy(sndmsg+topic_size, data.data(), data_size); |
| | | int rc = nn_send(pub_.socket_, sndmsg, data_size+topic_size, 0); |
| | | free(sndmsg); |
| | | if (rc == (int)(data_size+topic_size)){ |
| | | string sndmsg(msg->topic_ + 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); |
| | | nn_freemsg(tmp); |
| | | if (rc > 0){ |
| | | nn_freemsg(tmp); |
| | | printf("======>> publish topic %s data length %lu\n", topic.c_str(), 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; |
| | |
| | | if (sub_.socket_ > 0) return 0; |
| | | sub_.url_ = url; |
| | | |
| | | TAG; |
| | | int sock = client_socket(url, NN_SUB); |
| | | if (sock < 0){ |
| | | PRNTVITAG("client_socket faild\n"); |
| | | return -1; |
| | | } |
| | | // set_socket_timeout(sock, timeout_req_rep); |
| | |
| | | char* m; |
| | | int m_len = nn_recv(sub_.socket_, &m, NN_MSG, NN_DONTWAIT); |
| | | if (m_len > 0){ |
| | | string tmp_msg{m, (size_t)m_len}; |
| | | nn_freemsg(m); |
| | | string topic{}, msg{}; |
| | | { |
| | | lock_guard<mutex> l{sub_.mtx_topics_}; |
| | | for(auto && i : sub_.topics_){ |
| | | auto topic_len = i.size(); |
| | | if (m_len <= (int)topic_len) continue; |
| | | topic.assign(m, topic_len); |
| | | if (tmp_msg.size() < i.size()) continue; |
| | | topic = tmp_msg.substr(0, i.size()); |
| | | if (topic == i){ |
| | | msg.assign(m+topic_len, m_len-topic_len); |
| | | msg = tmp_msg.substr(i.size()); |
| | | break; |
| | | } |
| | | } |
| | | } |
| | | nn_freemsg(m); |
| | | printf("======>> subscribe recv topic %s msg length %lu\n", topic.c_str(), msg.length()); |
| | | if (!msg.empty()){ |
| | | lock_guard<mutex> l(sub_.mtx_msg_); |
| | |
| | | } |
| | | |
| | | int subscribe_topic(const std::string& topic){ |
| | | TAG; |
| | | if (sub_.socket_ < 0){ |
| | | subscribe_center(sub_.url_); |
| | | } |
| | | if (sub_.socket_ < 0) return -1; |
| | | if (sub_.socket_ < 0) { |
| | | PRNTVITAG("socket_ < 0"); |
| | | return -1; |
| | | } |
| | | |
| | | auto ret = nn_setsockopt(sub_.socket_, NN_SUB, NN_SUB_SUBSCRIBE, topic.c_str(), topic.length()); |
| | | // printf("set NN_SUB_SUBSCRIBE topic %s ret %d\n", topic.c_str(), ret); |
| | | if (ret < 0){ |
| | | PRNTVITAG("nn_setsockopt failed"); |
| | | lock_guard<mutex> l{sub_.mtx_failed_topics_}; |
| | | sub_.failed_topics_.insert(topic); |
| | | } |
| | |
| | | |
| | | int subscribe_read(std::string* topic, std::string* msg, const int to_ms){ |
| | | |
| | | TAG; |
| | | |
| | | int tm = to_ms > 0 ? to_ms : 30; |
| | | |
| | | unique_lock<mutex> l(sub_.mtx_msg_); |
| | |
| | | } |
| | | const auto& tmp = sub_.msg_.front(); |
| | | *topic = tmp.topic_; |
| | | *msg = tmp.msg_; |
| | | *msg = tmp.data_; |
| | | sub_.msg_.pop_front(); |
| | | |
| | | return 0; |
| | |
| | | survey_.url_ = url; |
| | | survey_.fixed_msg_ = move(fixed_msg); |
| | | survey_.t_ = thread([]{ |
| | | |
| | | TAG; |
| | | |
| | | int& sock = survey_.socket_; |
| | | const auto& msg = survey_.fixed_msg_; |
| | | while (!survey_.t_quit_.load()) { |
| | | if (sock < 0){ |
| | | sock = client_socket(survey_.url_, NN_RESPONDENT); |
| | | if (sock > 0){ |
| | | set_socket_timeout(sock, 126); |
| | | } |
| | | if (sock > 0) set_socket_timeout(sock, 126); |
| | | } |
| | | if (sock < 0) continue; |
| | | |
| | | char* tmp{}; |
| | | int rc = nn_recv(sock, &tmp, NN_MSG, 0); |
| | | nn_freemsg(tmp); |
| | | if (rc > 0){ |
| | | nn_freemsg(tmp); |
| | | rc = nn_send(sock, msg.data(), msg.size(), 0); |
| | | if (rc < 0){ |
| | | PRNTVITAG("heartbeat survey failed"); |
| | |
| | | ////////////////////////////////////////////// |
| | | // reply for request |
| | | |
| | | int request2(const std::string &ipc, const void* r, const int r_len, |
| | | void** reply, int* reply_len, const int to_ms) |
| | | { |
| | | return simple_request(ipc, r, r_len, reply, reply_len, to_ms); |
| | | } |
| | | |
| | | enum { INIT, RECV, WAIT, SEND }; |
| | | struct work { |
| | | int state{-1}; |
| | |
| | | DISABLE_COPY_AND_ASSIGN(_rr); |
| | | _rr()=default; |
| | | ~_rr(){ |
| | | |
| | | if(sock_local_.id > 0) nng_close(sock_local_); |
| | | if(sock_remote_.id > 0) nng_close(sock_remote_); |
| | | t_quit_.store(true, memory_order_relaxed); |
| | | if (t_unblock_&&t_unblock_->joinable()) t_unblock_->join(); |
| | | } |
| | | |
| | | const string unblocking_msg_{"~!@#$%^&*()-=<<UNBLOCKING>>=-()*&^%$#@!~"}; |
| | | |
| | | unique_ptr<thread> t_unblock_{nullptr}; |
| | | atomic_bool t_quit_{false}; |
| | | |
| | | nng_socket sock_local_{0}; |
| | | nng_socket sock_remote_{0}; |
| | | int port_{-1}; |
| | | |
| | | unordered_map<uint64_t, string> msg_{}; |
| | | unordered_map<uint64_t, struct work*> works_{}; |
| | | class worker{ |
| | | worker& in_op(const worker& w){if(&w!=this){w_=w.w_;life_=w.life_;}return *this;}; |
| | | public: |
| | | worker()=default; |
| | | ~worker()=default; |
| | | worker(struct work* w):w_(w),life_(0){} |
| | | worker(const worker& w):w_(w.w_),life_(w.life_){} |
| | | worker(worker&& w):w_(w.w_),life_(w.life_){} |
| | | worker& operator=(const worker& w){return in_op(w);} |
| | | worker& operator=(worker&& w){return in_op(w);} |
| | | operator struct work*() const{return w_;} |
| | | operator int&() {return life_;} |
| | | struct work* w_{}; |
| | | int life_{}; |
| | | }; |
| | | unordered_map<uint64_t, worker> works_{}; |
| | | uint64_t work_index_{0}; |
| | | mutex mtx_msg_{}; |
| | | condition_variable cv_msg_{}; |
| | |
| | | |
| | | static _rr reply_; |
| | | |
| | | static void |
| | | server_cb(void *arg) |
| | | int request2(const std::string &ipc, const void* r, const int r_len, |
| | | void** reply, int* reply_len, const int to_ms) |
| | | { |
| | | const auto suc = simple_request(ipc, r, r_len, reply, reply_len, to_ms); |
| | | if (suc){ |
| | | const size_t sl = reply_.unblocking_msg_.size(); |
| | | const size_t rl = *reply_len; |
| | | if (sl != rl) return true; |
| | | |
| | | const auto& s = reply_.unblocking_msg_; |
| | | auto r = (const char*)(*reply); |
| | | if (s.compare(0, sl, r, rl) == 0){ |
| | | free(*reply); |
| | | *reply = NULL; |
| | | *reply_len = 0; |
| | | return false; |
| | | } |
| | | } |
| | | return suc; |
| | | } |
| | | |
| | | static void server_cb(void *arg) |
| | | { |
| | | if (!arg) return; |
| | | |
| | | struct work *work = (struct work*)arg; |
| | | nng_msg * msg; |
| | | int rv; |
| | | uint32_t when{0}; |
| | | // uint32_t when{0}; |
| | | |
| | | switch (work->state) { |
| | | case INIT: |
| | |
| | | case SEND: |
| | | if ((rv = nng_aio_result(work->aio)) != 0) { |
| | | nng_msg_free(work->msg); |
| | | break; |
| | | } |
| | | 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; |
| | | |
| | | string msg{(const char*)nng_msg_body(om), nng_msg_len(om)}; |
| | | nng_msg_free(om); |
| | | |
| | | lock_guard<mutex> l{reply_.mtx_msg_}; |
| | | reply_.works_[reply_.work_index_] = w; |
| | | reply_.msg_[reply_.work_index_] = msg; |
| | | reply_.works_.emplace(reply_.work_index_, w); |
| | | reply_.msg_.emplace(reply_.work_index_, move(msg)); |
| | | // reply_.works_.insert({reply_.work_index_, w}); |
| | | // reply_.msg_.insert({reply_.work_index_, msg}); |
| | | // reply_.works_[reply_.work_index_] = w; |
| | | // reply_.msg_[reply_.work_index_] = msg; |
| | | reply_.work_index_++; |
| | | reply_.cv_msg_.notify_all(); |
| | | } |
| | |
| | | } |
| | | |
| | | static constexpr int PARALLEL = 62; |
| | | static struct work* works[PARALLEL]{}; |
| | | static struct work* works_local[PARALLEL]{}; |
| | | static struct work* works_remote[PARALLEL]{}; |
| | | |
| | | static int create_server(nng_socket* sock, const string& url){ |
| | | static int create_server(nng_socket* sock, const string& url, work** works){ |
| | | TAG; |
| | | if (sock->id > 0) return 0; |
| | | |
| | |
| | | return 0; |
| | | } |
| | | |
| | | static void aio_unblock(work* w, const void* msg, const int msg_len){ |
| | | nng_msg_alloc(&w->msg, 0); |
| | | nng_msg_append(w->msg, msg, msg_len); |
| | | |
| | | nng_sleep_aio(0, w->aio); |
| | | } |
| | | |
| | | int start_reply(const std::string& url, const int port){ |
| | | TAG; |
| | | |
| | | string ipc = "ipc:///tmp/" + url; |
| | | if (url.find("ipc://") == 0){ |
| | | ipc = url; |
| | | } |
| | | reply_.url_ = ipc; |
| | | if(create_server(&reply_.sock_local_, ipc) != 0) return -1; |
| | | if(create_server(&reply_.sock_local_, ipc, works_local) != 0) return -1; |
| | | |
| | | if (port > 0){ |
| | | reply_.port_ = port; |
| | | ipc = "tcp://0.0.0.0:" + to_string(port); |
| | | if(create_server(&reply_.sock_remote_, ipc) != 0) return -1; |
| | | if(create_server(&reply_.sock_remote_, ipc, works_remote) != 0) return -1; |
| | | }else { |
| | | reply_.sock_remote_.id = numeric_limits<int32_t>::max(); |
| | | } |
| | | |
| | | if (!reply_.t_unblock_){ |
| | | reply_.t_unblock_.reset(new thread([]{ |
| | | constexpr int idle = 10; |
| | | const auto data = reply_.unblocking_msg_.data(); |
| | | const auto data_size = reply_.unblocking_msg_.size(); |
| | | while (!reply_.t_quit_.load()) { |
| | | this_thread::sleep_for(chrono::milliseconds{10}); |
| | | vector<struct work*> tmp{}; |
| | | { |
| | | lock_guard<mutex> l{reply_.mtx_msg_}; |
| | | for(auto iter = reply_.works_.begin(); iter != reply_.works_.end();){ |
| | | if ((iter->second+=idle) > timeout_req_rep){ |
| | | tmp.push_back(iter->second.w_); |
| | | iter = reply_.works_.erase(iter); |
| | | }else { |
| | | ++iter; |
| | | } |
| | | } |
| | | } |
| | | for(auto && w : tmp){ |
| | | aio_unblock(w, data, data_size); |
| | | } |
| | | } |
| | | })); |
| | | } |
| | | |
| | | return 0; |
| | |
| | | |
| | | int read_request(void** src, std::string* msg, const int to_ms){ |
| | | |
| | | if (reply_.sock_local_.id == 0 || reply_.sock_remote_.id == 0) { |
| | | if (reply_.sock_local_.id == 0 || reply_.sock_remote_.id == 0) |
| | | if (start_reply(reply_.url_, reply_.port_) != 0) |
| | | return -1; |
| | | } |
| | | |
| | | int tm = to_ms > 0 ? to_ms : 30; |
| | | |
| | | uint64_t key{}; |
| | | string tmpmsg; |
| | | { |
| | | unique_lock<mutex> l(reply_.mtx_msg_); |
| | | auto status = reply_.cv_msg_.wait_for(l, chrono::milliseconds{tm}, []{ |
| | |
| | | PRNTVITAG("subscribe_read timeout"); |
| | | return -1; |
| | | } |
| | | const auto& iter = reply_.msg_.begin(); |
| | | auto iter = reply_.msg_.begin(); |
| | | key = iter->first; |
| | | tmpmsg = iter->second; |
| | | *msg = move(iter->second); |
| | | reply_.msg_.erase(iter); |
| | | } |
| | | *msg = move(tmpmsg); |
| | | |
| | | auto s = (uint64_t*)malloc(sizeof(uint64_t)); |
| | | *s = key; |
| | | *src = s; |
| | | *src = malloc(sizeof(uint64_t)); |
| | | *(uint64_t*)(*src) = key; |
| | | |
| | | return 0; |
| | | } |
| | |
| | | reply_.works_.erase(iter); |
| | | } |
| | | |
| | | TAG; |
| | | |
| | | nng_msg_alloc(&w->msg, 0); |
| | | nng_msg_append(w->msg, msg, msg_len); |
| | | |
| | | nng_sleep_aio(0, w->aio); |
| | | aio_unblock(w, msg, msg_len); |
| | | |
| | | return 0; |
| | | } |