| | |
| | | |
| | | // center name, no relative to shm. |
| | | const std::string &id() const { return id_; } |
| | | void OnNodeInit(ShmSocket &socket, const int64_t val) |
| | | int64_t OnNodeInit(ShmSocket &socket, const int64_t val) |
| | | { |
| | | LOG_FUNCTION; |
| | | SharedMemory &shm = socket.shm(); |
| | | MQId ssn = (val >> 4) & MaskBits(60); |
| | | MQId ssn = (val >> 4) & MaskBits(56); |
| | | int reply = EncodeCmd(eCmdNodeInitReply); |
| | | |
| | | if (nodes_.find(ssn) != nodes_.end()) { |
| | | return; // ignore in exists. |
| | | return reply; // ignore if exists. |
| | | } |
| | | |
| | | auto UpdateRegInfo = [&](Node &node) { |
| | | node->state_.timestamp_ = NowSec() - offline_time_; |
| | | node->state_.UpdateState(NowSec(), offline_time_, kill_time_); |
| | | |
| | | // create sockets. |
| | | const int nsocks = 4; |
| | | try { |
| | | for (int i = 0; i < nsocks; ++i) { |
| | | ShmSocket tmp(shm, true, ssn + i, 16); |
| | | node->addrs_.emplace(ssn + i, tmp.AbsAddr()); |
| | | } |
| | | ShmSocket tmp(shm, true, ssn, 16); |
| | | node->addrs_.emplace(ssn, tmp.AbsAddr()); |
| | | return true; |
| | | } catch (...) { |
| | | for (int i = 0; i < nsocks; ++i) { |
| | | ShmSocket::Remove(shm, ssn + i); |
| | | } |
| | | return false; |
| | | } |
| | | }; |
| | |
| | | auto PrepareProcInit = [&](Node &node) { |
| | | bool r = false; |
| | | ShmMsg init_msg; |
| | | if (init_msg.Make(GetAllocSize(CalcAllocIndex(900)))) { |
| | | // 31bit pointer, 4bit cmd+flag |
| | | int64_t reply = (init_msg.Offset() << 4) | EncodeCmd(eCmdNodeInitReply); |
| | | r = SendAllocReply(socket, {ssn, node->addrs_[ssn]}, reply, init_msg); |
| | | } |
| | | return r; |
| | | DEFER1(init_msg.Release()); |
| | | MsgProcInit body; |
| | | auto head = InitMsgHead(GetType(body), id(), ssn); |
| | | return init_msg.Make(GetAllocSize(CalcAllocIndex(900))) && |
| | | init_msg.Fill(ShmMsg::Serialize(head, body)) && |
| | | SendAllocMsg(socket, {ssn, node->addrs_[ssn]}, init_msg); |
| | | }; |
| | | |
| | | Node node(new NodeInfo); |
| | | if (UpdateRegInfo(node) && PrepareProcInit(node)) { |
| | | reply |= (node->addrs_[ssn] << 4); |
| | | nodes_[ssn] = node; |
| | | LOG_INFO() << "new node ssn (" << ssn << ") init"; |
| | | } else { |
| | | for (int i = 0; i < 10; ++i) { |
| | | ShmSocket::Remove(shm, ssn + i); |
| | | } |
| | | ShmSocket::Remove(shm, ssn); |
| | | } |
| | | return reply; |
| | | } |
| | | void RecordMsg(const MsgI &msg) { msgs_.RecordMsg(msg); } |
| | | void RecordMsg(const MsgI &msg) |
| | | { |
| | | msg.reset_managed(true); |
| | | msgs_.RecordMsg(msg); |
| | | } |
| | | |
| | | bool SendAllocReply(ShmSocket &socket, const MQInfo &dest, const int64_t reply, const MsgI &msg) |
| | | { |
| | |
| | | assert(IsCmd(val)); |
| | | int cmd = DecodeCmd(val); |
| | | switch (cmd) { |
| | | case eCmdNodeInit: OnNodeInit(socket, val); break; |
| | | case eCmdAllocRequest0: OnAlloc(socket, val); break; |
| | | case eCmdFree: OnFree(socket, val); break; |
| | | default: return false; |
| | |
| | | MsgProcInitReply ProcInit(const BHMsgHead &head, MsgProcInit &msg) |
| | | { |
| | | LOG_DEBUG() << "center got proc init."; |
| | | auto pos = nodes_.find(head.ssn_id()); |
| | | if (pos == nodes_.end()) { |
| | | return MakeReply<MsgProcInitReply>(eNotFound, "Node Not Initialised"); |
| | | } |
| | | auto index = procs_.Put(head.proc_id(), head.ssn_id()); |
| | | auto reply(MakeReply<MsgProcInitReply>(eSuccess)); |
| | | reply.set_proc_index(index); |
| | | return reply; |
| | | |
| | | auto &node = pos->second; |
| | | try { |
| | | for (int i = 0; i < msg.extra_mq_num(); ++i) { |
| | | ShmSocket tmp(BHomeShm(), true, head.ssn_id() + i + 1, 16); |
| | | node->addrs_.emplace(tmp.id(), tmp.AbsAddr()); |
| | | auto addr = reply.add_extra_mqs(); |
| | | addr->set_mq_id(tmp.id()); |
| | | addr->set_abs_addr(tmp.AbsAddr()); |
| | | } |
| | | return reply; |
| | | } catch (...) { |
| | | LOG_ERROR() << "proc init create mq error"; |
| | | return MakeReply<MsgProcInitReply>(eError, "Create mq failed."); |
| | | } |
| | | } |
| | | |
| | | MsgCommonReply Register(const BHMsgHead &head, MsgRegister &msg) |
| | |
| | | // now we can talk. |
| | | auto OnCenterIdle = [center_ptr](ShmSocket &socket) { |
| | | auto ¢er = *center_ptr; |
| | | auto onInit = [&](const int64_t request) { |
| | | return center->OnNodeInit(socket, request); |
| | | }; |
| | | BHCenterHandleInit(onInit); |
| | | center->OnTimer(); |
| | | }; |
| | | |