| | |
| | | */ |
| | | #include "topic_node.h" |
| | | #include "bh_util.h" |
| | | #include "failed_msg.h" |
| | | #include <chrono> |
| | | #include <list> |
| | | |
| | |
| | | std::string msg_id; |
| | | }; |
| | | |
| | | class ServerFailedQ |
| | | { |
| | | struct FailedMsg { |
| | | steady_clock::time_point xpr; |
| | | std::string remote_; |
| | | BHMsgHead head_; |
| | | MsgRequestTopicReply body_; |
| | | FailedMsg(const std::string &addr, BHMsgHead &&head, MsgRequestTopicReply &&body) : |
| | | xpr(steady_clock::now() + 10s), remote_(addr), head_(std::move(head)), body_(std::move(body)) {} |
| | | bool Expired() { return steady_clock::now() > xpr; } |
| | | }; |
| | | typedef std::list<FailedMsg> Queue; |
| | | Synced<Queue> queue_; |
| | | |
| | | public: |
| | | void Push(const std::string &remote, BHMsgHead &&head, MsgRequestTopicReply &&body) |
| | | { |
| | | queue_->emplace_back(remote, std::move(head), std::move(body)); |
| | | } |
| | | void TrySend(ShmSocket &socket, const int timeout_ms = 0) |
| | | { |
| | | queue_.Apply([&](Queue &q) { |
| | | if (!q.empty()) { |
| | | auto it = q.begin(); |
| | | do { |
| | | if (it->Expired()) { |
| | | // it->msg_.Release(socket.shm()); |
| | | it = q.erase(it); |
| | | } else if (socket.Send(it->remote_.data(), it->head_, it->body_, timeout_ms)) { |
| | | it = q.erase(it); |
| | | } else { |
| | | ++it; |
| | | } |
| | | } while (it != q.end()); |
| | | } |
| | | }); |
| | | } |
| | | }; |
| | | typedef FailedMsgQ ServerFailedQ; |
| | | |
| | | } // namespace |
| | | TopicNode::TopicNode(SharedMemory &shm) : |
| | | shm_(shm), sock_node_(shm), sock_request_(shm), sock_reply_(shm), sock_sub_(shm) |
| | | { |
| | | SockNode().Start(); |
| | | SockClient().Start(); |
| | | SockServer().Start(); |
| | | } |
| | | |
| | | TopicNode::~TopicNode() |
| | | { |
| | | StopAll(); |
| | | SockNode().Stop(); |
| | | } |
| | | void TopicNode::StopAll() |
| | | { |
| | | ServerStop(); |
| | | ClientStopWorker(); |
| | | } |
| | | |
| | | bool TopicNode::Register(const MsgRegister &body, MsgCommonReply &reply_body, const int timeout_ms) |
| | | void TopicNode::StopAll() |
| | | { |
| | | SockServer().Stop(); |
| | | SockClient().Stop(); |
| | | SockNode().Stop(); |
| | | } |
| | | |
| | | bool TopicNode::Register(ProcInfo &proc, MsgCommonReply &reply_body, const int timeout_ms) |
| | | { |
| | | auto &sock = SockNode(); |
| | | MsgRegister body; |
| | | *body.mutable_proc() = proc; |
| | | auto AddId = [&](const MQId &id) { body.add_addrs()->set_mq_id(&id, sizeof(id)); }; |
| | | AddId(SockNode().id()); |
| | | AddId(SockServer().id()); |
| | | AddId(SockClient().id()); |
| | | AddId(SockSub().id()); |
| | | AddId(SockPub().id()); |
| | | |
| | | auto head(InitMsgHead(GetType(body), body.proc().proc_id())); |
| | | AddRoute(head, SockNode().id()); |
| | | AddRoute(head, sock.id()); |
| | | |
| | | MsgI reply; |
| | | DEFER1(reply.Release(shm_);); |
| | | BHMsgHead reply_head; |
| | | bool r = SockNode().SendAndRecv(&BHTopicCenterAddress(), head, body, reply, reply_head, timeout_ms); |
| | | r = r && reply_head.type() == kMsgTypeCommonReply; |
| | | r = r && reply.ParseBody(reply_body); |
| | | bool r = sock.SendAndRecv(&BHTopicCenterAddress(), head, body, reply, reply_head, timeout_ms); |
| | | r = r && reply_head.type() == kMsgTypeCommonReply && reply.ParseBody(reply_body); |
| | | if (r) { |
| | | info_ = body; |
| | | } |
| | | return r; |
| | | } |
| | | |
| | | bool TopicNode::RegisterRPC(const MsgRegisterRPC &body, MsgCommonReply &reply_body, const int timeout_ms) |
| | | bool TopicNode::ServerRegisterRPC(MsgTopicList &topics, MsgCommonReply &reply_body, const int timeout_ms) |
| | | { |
| | | //TODO check registered |
| | | auto &sock = SockServer(); |
| | | MsgRegisterRPC body; |
| | | body.mutable_topics()->Swap(&topics); |
| | | |
| | | auto head(InitMsgHead(GetType(body), proc_id())); |
| | | AddRoute(head, SockReply().id()); |
| | | AddRoute(head, sock.id()); |
| | | |
| | | MsgI reply; |
| | | DEFER1(reply.Release(shm_);); |
| | | BHMsgHead reply_head; |
| | | bool r = SockReply().SendAndRecv(&BHTopicCenterAddress(), head, body, reply, reply_head, timeout_ms); |
| | | bool r = sock.SendAndRecv(&BHTopicCenterAddress(), head, body, reply, reply_head, timeout_ms); |
| | | r = r && reply_head.type() == kMsgTypeCommonReply; |
| | | r = r && reply.ParseBody(reply_body); |
| | | return r; |
| | |
| | | for (int i = 0; i < head.route_size() - 1; ++i) { |
| | | reply_head.add_route()->Swap(head.mutable_route(i)); |
| | | } |
| | | if (!sock.Send(head.route().rbegin()->mq_id().data(), reply_head, reply_body, 10)) { |
| | | failed_q->Push(head.route().rbegin()->mq_id(), std::move(reply_head), std::move(reply_body)); |
| | | MsgI msg; |
| | | if (msg.Make(sock.shm(), reply_head, reply_body)) { |
| | | auto &remote = head.route().rbegin()->mq_id(); |
| | | if (!sock.Send(remote.data(), msg, 10)) { |
| | | failed_q->Push(remote, msg, 10s); |
| | | } |
| | | } |
| | | } |
| | | } |
| | |
| | | onIdle(sock); |
| | | }; |
| | | |
| | | return rcb && SockReply().Start(onRecv, onIdle, nworker); |
| | | auto &sock = SockServer(); |
| | | return rcb && sock.Start(onRecv, onIdle, nworker); |
| | | } |
| | | bool TopicNode::ServerStop() { return SockReply().Stop(); } |
| | | |
| | | bool TopicNode::ServerRecvRequest(void *&src_info, std::string &topic, std::string &data, const int timeout_ms) |
| | | { |
| | | auto &sock = SockServer(); |
| | | |
| | | MsgI imsg; |
| | | BHMsgHead head; |
| | | if (SockReply().SyncRecv(imsg, head, timeout_ms) && head.type() == kMsgTypeRequestTopic) { |
| | | if (sock.SyncRecv(imsg, head, timeout_ms) && head.type() == kMsgTypeRequestTopic) { |
| | | MsgRequestTopic request; |
| | | if (imsg.ParseBody(request)) { |
| | | request.mutable_topic()->swap(topic); |
| | |
| | | |
| | | bool TopicNode::ServerSendReply(void *src_info, const std::string &data, const int timeout_ms) |
| | | { |
| | | auto &sock = SockServer(); |
| | | |
| | | SrcInfo *p = static_cast<SrcInfo *>(src_info); |
| | | DEFER1(delete p); |
| | | if (!p || p->route.empty()) { |
| | |
| | | head.add_route()->Swap(&p->route[i]); |
| | | } |
| | | |
| | | return SockReply().Send(p->route.back().mq_id().data(), head, body, timeout_ms); |
| | | return sock.Send(p->route.back().mq_id().data(), head, body, timeout_ms); |
| | | } |
| | | |
| | | bool TopicNode::ClientStartWorker(RequestResultCB const &cb, const int nworker) |
| | |
| | | |
| | | return SockRequest().Start(onData, nworker); |
| | | } |
| | | bool TopicNode::ClientStopWorker() { return SockRequest().Stop(); } |
| | | |
| | | bool TopicNode::ClientAsyncRequest(const Topic &topic, const void *data, const size_t size, const int timeout_ms, const RequestResultCB &cb) |
| | | { |
| | | auto Call = [&](const void *remote) { |
| | | auto &sock = SockRequest(); |
| | | |
| | | MsgRequestTopic req; |
| | | req.set_topic(topic); |
| | | req.set_data(data, size); |
| | |
| | | { |
| | | try { |
| | | auto &sock = SockRequest(); |
| | | |
| | | BHAddress addr; |
| | | if (ClientQueryRPCTopic(topic, addr, timeout_ms)) { |
| | | |
| | |
| | | bool TopicNode::ClientQueryRPCTopic(const Topic &topic, bhome::msg::BHAddress &addr, const int timeout_ms) |
| | | { |
| | | auto &sock = SockRequest(); |
| | | |
| | | if (topic_query_cache_.Find(topic, addr)) { |
| | | return true; |
| | | } |
| | |
| | | } else { |
| | | } |
| | | return false; |
| | | } |
| | | |
| | | // publish |
| | | |
| | | bool TopicNode::Publish(const Topic &topic, const void *data, const size_t size, const int timeout_ms) |
| | | { |
| | | try { |
| | | auto &sock = SockPub(); |
| | | |
| | | MsgPublish pub; |
| | | pub.set_topic(topic); |
| | | pub.set_data(data, size); |
| | | BHMsgHead head(InitMsgHead(GetType(pub), proc_id())); |
| | | AddRoute(head, sock.id()); |
| | | |
| | | MsgI reply; |
| | | DEFER1(reply.Release(shm());); |
| | | BHMsgHead reply_head; |
| | | MsgCommonReply reply_body; |
| | | return sock.SendAndRecv(&BHTopicBusAddress(), head, pub, reply, reply_head, timeout_ms) && |
| | | reply_head.type() == kMsgTypeCommonReply && |
| | | reply.ParseBody(reply_body) && |
| | | IsSuccess(reply_body.errmsg().errcode()); |
| | | } catch (...) { |
| | | } |
| | | return false; |
| | | } |
| | | |
| | | // subscribe |
| | | |
| | | bool TopicNode::Subscribe(MsgTopicList &topics, const int timeout_ms) |
| | | { |
| | | try { |
| | | auto &sock = SockSub(); |
| | | MsgSubscribe sub; |
| | | sub.mutable_topics()->Swap(&topics); |
| | | |
| | | BHMsgHead head(InitMsgHead(GetType(sub), proc_id())); |
| | | AddRoute(head, sock.id()); |
| | | |
| | | return sock.Send(&BHTopicBusAddress(), head, sub, timeout_ms); |
| | | } catch (...) { |
| | | return false; |
| | | } |
| | | } |
| | | |
| | | bool TopicNode::SubscribeStartWorker(const TopicDataCB &tdcb, int nworker) |
| | | { |
| | | auto &sock = SockSub(); |
| | | |
| | | auto AsyncRecvProc = [this, tdcb](ShmSocket &, MsgI &imsg, BHMsgHead &head) { |
| | | if (head.type() == kMsgTypePublish) { |
| | | MsgPublish pub; |
| | | if (imsg.ParseBody(pub)) { |
| | | tdcb(head.proc_id(), pub.topic(), pub.data()); |
| | | } |
| | | } else { |
| | | // ignored, or dropped |
| | | } |
| | | }; |
| | | |
| | | return tdcb && sock.Start(AsyncRecvProc, nworker); |
| | | } |
| | | |
| | | bool TopicNode::RecvSub(std::string &proc_id, Topic &topic, std::string &data, const int timeout_ms) |
| | | { |
| | | auto &sock = SockSub(); |
| | | MsgI msg; |
| | | DEFER1(msg.Release(shm());); |
| | | BHMsgHead head; |
| | | if (sock.SyncRecv(msg, head, timeout_ms) && head.type() == kMsgTypePublish) { |
| | | MsgPublish pub; |
| | | if (msg.ParseBody(pub)) { |
| | | head.mutable_proc_id()->swap(proc_id); |
| | | pub.mutable_topic()->swap(topic); |
| | | pub.mutable_data()->swap(data); |
| | | return true; |
| | | } |
| | | } |
| | | return false; |
| | | } |