| | |
| | | using namespace std::chrono; |
| | | using namespace std::chrono_literals; |
| | | |
| | | const char *const kErrMsgNotInit = "BHome node NOT initialized."; |
| | | const char *const kErrMsgNotRegistered = "BHome node NOT registered."; |
| | | |
| | | namespace |
| | | { |
| | | inline void AddRoute(BHMsgHead &head, const MQId id) { head.add_route()->set_mq_id(id); } |
| | |
| | | } // namespace |
| | | |
| | | TopicNode::TopicNode(SharedMemory &shm) : |
| | | shm_(shm), sockets_(eSockEnd), state_(eStateUnregistered) |
| | | shm_(shm), state_(eStateUnregistered) |
| | | { |
| | | for (int i = eSockStart; i < eSockEnd; ++i) { |
| | | sockets_[i].reset(new ShmSocket(shm_, kMqLen)); |
| | | } |
| | | // recv msgs to avoid memory leak. |
| | | auto default_ignore_msg = [](ShmSocket &sock, MsgI &imsg, BHMsgHead &head) { return true; }; |
| | | for (auto &p : sockets_) { |
| | | p->Start(default_ignore_msg); |
| | | } |
| | | } |
| | | |
| | | TopicNode::~TopicNode() |
| | | { |
| | | LOG_DEBUG() << "~TopicNode()"; |
| | | Stop(); |
| | | SockNode().Stop(); |
| | | if (state() == eStateUnregistered) { |
| | | for (auto &p : sockets_) { p->Remove(); } |
| | | } |
| | | |
| | | bool TopicNode::Init() |
| | | { |
| | | std::lock_guard<std::mutex> lk(mutex_); |
| | | |
| | | if (Valid()) { |
| | | return true; |
| | | } else if (info_.proc_id().empty()) { |
| | | return false; |
| | | } |
| | | |
| | | if (ssn_id_ == 0) { |
| | | ssn_id_ = ShmMsgQueue::NewId(); |
| | | } |
| | | LOG_DEBUG() << "Node Init, id " << ssn_id_; |
| | | auto NodeInit = [&]() { |
| | | auto SendInitCmd = [&]() { |
| | | int64_t init_cmd = ssn_id_ << 4 | EncodeCmd(eCmdNodeInit); |
| | | auto end_time = steady_clock::now() + 3s; |
| | | bool r = false; |
| | | do { |
| | | r = ShmMsgQueue::TrySend(shm(), BHTopicCenterAddress(), init_cmd); |
| | | } while (!r && steady_clock::now() < end_time); |
| | | return r; |
| | | }; |
| | | if (SendInitCmd()) { |
| | | LOG_DEBUG() << "node send init ok"; |
| | | auto end_time = steady_clock::now() + 3s; |
| | | do { |
| | | try { |
| | | for (int i = eSockStart; i < eSockEnd; ++i) { |
| | | sockets_.emplace_back(new ShmSocket(shm_, false, ssn_id_ + i, kMqLen)); |
| | | } |
| | | break; |
| | | } catch (...) { |
| | | sockets_.clear(); |
| | | std::this_thread::sleep_for(100ms); |
| | | } |
| | | } while (steady_clock::now() < end_time); |
| | | } |
| | | }; |
| | | if (sockets_.empty()) { |
| | | NodeInit(); |
| | | } |
| | | if (!sockets_.empty()) { |
| | | LOG_DEBUG() << "node sockets ok"; |
| | | auto onNodeCmd = [this](ShmSocket &socket, int64_t &val) { |
| | | LOG_DEBUG() << "node recv cmd: " << DecodeCmd(val); |
| | | switch (DecodeCmd(val)) { |
| | | case eCmdNodeInitReply: { |
| | | MsgI msg(val >> 4); |
| | | DEFER1(msg.Release()); |
| | | MsgProcInit body; |
| | | auto head = InitMsgHead(GetType(body), info_.proc_id(), ssn_id_); |
| | | head.add_route()->set_mq_id(ssn_id_); |
| | | if (msg.Fill(head, body)) { |
| | | socket.Send(BHTopicCenterAddress(), msg); |
| | | } |
| | | } break; |
| | | default: |
| | | break; |
| | | } |
| | | return true; |
| | | }; |
| | | |
| | | // recv msgs to avoid memory leak. |
| | | auto onMsg = [this](ShmSocket &sock, MsgI &imsg, BHMsgHead &head) { |
| | | LOG_DEBUG() << "node recv type: " << head.type(); |
| | | if (head.type() == kMsgTypeProcInitReply) { |
| | | LOG_DEBUG() << "got proc init reply"; |
| | | MsgProcInitReply reply; |
| | | if (imsg.ParseBody(reply)) { |
| | | SetProcIndex(reply.proc_index()); |
| | | } |
| | | } |
| | | return true; |
| | | }; |
| | | SockNode().Start(1, onMsg, onNodeCmd); |
| | | LOG_DEBUG() << "sockets ok."; |
| | | return true; |
| | | } |
| | | return false; |
| | | } |
| | | |
| | | void TopicNode::Start(ServerAsyncCB const &server_cb, SubDataCB const &sub_cb, RequestResultCB &client_cb, int nworker) |
| | | { |
| | | if (!Init()) { |
| | | SetLastError(eError, kErrMsgNotInit); |
| | | return; |
| | | } |
| | | if (nworker < 1) { |
| | | nworker = 1; |
| | | } else if (nworker > 16) { |
| | | nworker = 16; |
| | | } |
| | | SockNode().Start(); |
| | | // SockNode().Start(); |
| | | ServerStart(server_cb, nworker); |
| | | SubscribeStartWorker(sub_cb, nworker); |
| | | ClientStartWorker(client_cb, nworker); |
| | | } |
| | | void TopicNode::Stop() |
| | | { |
| | | LOG_DEBUG() << "Node Stopping"; |
| | | for (auto &p : sockets_) { p->Stop(); } |
| | | LOG_INFO() << "Node Stopped"; |
| | | } |
| | | |
| | | bool TopicNode::Register(ProcInfo &proc, MsgCommonReply &reply_body, const int timeout_ms) |
| | | { |
| | | info_ = proc; |
| | | { |
| | | std::lock_guard<std::mutex> lk(mutex_); |
| | | info_ = proc; |
| | | } |
| | | |
| | | if (!Init()) { |
| | | SetLastError(eError, kErrMsgNotInit); |
| | | return false; |
| | | } |
| | | |
| | | auto &sock = SockNode(); |
| | | MsgRegister body; |
| | |
| | | } |
| | | bool TopicNode::Unregister(ProcInfo &proc, MsgCommonReply &reply_body, const int timeout_ms) |
| | | { |
| | | if (!IsOnline()) { |
| | | SetLastError(eNotRegistered, kErrMsgNotRegistered); |
| | | return false; |
| | | } |
| | | |
| | | info_.Clear(); |
| | | state_cas(eStateOnline, eStateOffline); |
| | | |
| | |
| | | bool TopicNode::Heartbeat(ProcInfo &proc, MsgCommonReply &reply_body, const int timeout_ms) |
| | | { |
| | | if (!IsOnline()) { |
| | | SetLastError(eNotRegistered, "Not Registered."); |
| | | SetLastError(eNotRegistered, kErrMsgNotRegistered); |
| | | return false; |
| | | } |
| | | |
| | |
| | | bool TopicNode::QueryTopicAddress(BHAddress &dest, MsgQueryTopic &query, MsgQueryTopicReply &reply_body, const int timeout_ms) |
| | | { |
| | | if (!IsOnline()) { |
| | | SetLastError(eNotRegistered, "Not Registered."); |
| | | SetLastError(eNotRegistered, kErrMsgNotRegistered); |
| | | return false; |
| | | } |
| | | auto &sock = SockNode(); |
| | |
| | | bool TopicNode::ServerRegisterRPC(MsgTopicList &topics, MsgCommonReply &reply_body, const int timeout_ms) |
| | | { |
| | | if (!IsOnline()) { |
| | | SetLastError(eNotRegistered, "Not Registered."); |
| | | SetLastError(eNotRegistered, kErrMsgNotRegistered); |
| | | return false; |
| | | } |
| | | |
| | |
| | | bool TopicNode::ServerRecvRequest(void *&src_info, std::string &proc_id, MsgRequestTopic &request, const int timeout_ms) |
| | | { |
| | | if (!IsOnline()) { |
| | | SetLastError(eNotRegistered, "Not Registered."); |
| | | SetLastError(eNotRegistered, kErrMsgNotRegistered); |
| | | return false; |
| | | } |
| | | |
| | |
| | | bool TopicNode::ServerSendReply(void *src_info, const MsgRequestTopicReply &body) |
| | | { |
| | | if (!IsOnline()) { |
| | | SetLastError(eNotRegistered, "Not Registered."); |
| | | SetLastError(eNotRegistered, kErrMsgNotRegistered); |
| | | return false; |
| | | } |
| | | |
| | |
| | | bool TopicNode::ClientAsyncRequest(const BHAddress &remote_addr, const MsgRequestTopic &req, std::string &out_msg_id, const RequestResultCB &cb) |
| | | { |
| | | if (!IsOnline()) { |
| | | SetLastError(eNotRegistered, "Not Registered."); |
| | | SetLastError(eNotRegistered, kErrMsgNotRegistered); |
| | | return false; |
| | | } |
| | | |
| | |
| | | bool TopicNode::ClientSyncRequest(const BHAddress &remote_addr, const MsgRequestTopic &request, std::string &out_proc_id, MsgRequestTopicReply &out_reply, const int timeout_ms) |
| | | { |
| | | if (!IsOnline()) { |
| | | SetLastError(eNotRegistered, "Not Registered."); |
| | | SetLastError(eNotRegistered, kErrMsgNotRegistered); |
| | | return false; |
| | | } |
| | | |
| | |
| | | |
| | | BHAddress addr; |
| | | if (ClientQueryRPCTopic(request.topic(), addr, timeout_ms)) { |
| | | LOG_TRACE() << "node: " << SockNode().id() << ", topic dest: " << addr.mq_id(); |
| | | BHMsgHead head(InitMsgHead(GetType(request), proc_id(), ssn())); |
| | | AddRoute(head, sock.id()); |
| | | head.set_topic(request.topic()); |
| | |
| | | reply_head.mutable_proc_id()->swap(out_proc_id); |
| | | return true; |
| | | } |
| | | } else { |
| | | SetLastError(eNotFound, "remote not found."); |
| | | } |
| | | } catch (...) { |
| | | SetLastError(eError, __func__ + std::string(" internal errer.")); |
| | |
| | | bool TopicNode::ClientQueryRPCTopic(const Topic &topic, BHAddress &addr, const int timeout_ms) |
| | | { |
| | | if (!IsOnline()) { |
| | | SetLastError(eNotRegistered, "Not Registered."); |
| | | SetLastError(eNotRegistered, kErrMsgNotRegistered); |
| | | return false; |
| | | } |
| | | |
| | |
| | | return true; |
| | | } |
| | | } |
| | | SetLastError(eNotFound, "remote not found."); |
| | | return false; |
| | | } |
| | | |
| | |
| | | bool TopicNode::Publish(const MsgPublish &pub, const int timeout_ms) |
| | | { |
| | | if (!IsOnline()) { |
| | | SetLastError(eNotRegistered, "Not Registered."); |
| | | SetLastError(eNotRegistered, kErrMsgNotRegistered); |
| | | return false; |
| | | } |
| | | |
| | |
| | | bool TopicNode::Subscribe(MsgTopicList &topics, MsgCommonReply &reply_body, const int timeout_ms) |
| | | { |
| | | if (!IsOnline()) { |
| | | SetLastError(eNotRegistered, "Not Registered."); |
| | | SetLastError(eNotRegistered, kErrMsgNotRegistered); |
| | | return false; |
| | | } |
| | | |
| | |
| | | bool TopicNode::RecvSub(std::string &proc_id, MsgPublish &pub, const int timeout_ms) |
| | | { |
| | | if (!IsOnline()) { |
| | | SetLastError(eNotRegistered, "Not Registered."); |
| | | SetLastError(eNotRegistered, kErrMsgNotRegistered); |
| | | return false; |
| | | } |
| | | |