| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| #ifndef __STMANAGERSTATE_H |
| #define __STMANAGERSTATE_H |
| |
| #include <string> |
| #include <vector> |
| #include "network/network.h" |
| #include "proto/tmanager.pb.h" |
| #include "proto/ckptmgr.pb.h" |
| #include "basics/basics.h" |
| |
| namespace heron { |
| namespace proto { |
| namespace system { |
| class StMgr; |
| class StMgrStats; |
| class PhysicalPlan; |
| } |
| } |
| } |
| |
| namespace heron { |
| namespace tmanager { |
| |
| using std::shared_ptr; |
| |
| class TManagerServer; |
| |
| class StMgrState { |
| public: |
| StMgrState(Connection* _conn, const proto::system::StMgr& _info, |
| const std::vector<shared_ptr<proto::system::Instance>>& _instances, Server& _server); |
| virtual ~StMgrState(); |
| |
| void UpdateWithNewStMgr(const proto::system::StMgr& _info, |
| const std::vector<shared_ptr<proto::system::Instance>>& _instances, |
| Connection* _conn); |
| |
| // Update the heartbeat. Note:- We own _stats now |
| void heartbeat(sp_int64 _time, proto::system::StMgrStats* _stats); |
| |
| // Send messages to the stmgr |
| void NewPhysicalPlan(const proto::system::PhysicalPlan& _pplan); |
| |
| |
| // Send RestoreTopologyStateMessage to stmgr |
| void SendRestoreTopologyStateMessage(const proto::ckptmgr::RestoreTopologyStateRequest& _message); |
| |
| // Send StartStatefulProcessingMessage to stmgr |
| void SendStartStatefulProcessingMessage(const std::string& _checkpoint_id); |
| |
| // Send stateful checkpoint message to the stmgr |
| void NewStatefulCheckpoint(const proto::ckptmgr::StartStatefulCheckpoint& _request); |
| |
| void SendCheckpointSavedMessage(const proto::ckptmgr::StatefulConsistentCheckpointSaved &_msg); |
| |
| |
| bool TimedOut() const; |
| |
| // getters |
| Connection* get_connection() { return connection_; } |
| const std::string& get_id() const { return stmgr_->id(); } |
| sp_uint32 get_num_instances() const { return instances_.size(); } |
| const std::vector<shared_ptr<proto::system::Instance>>& get_instances() const {return instances_;} |
| const shared_ptr<proto::system::StMgr> get_stmgr() const { return stmgr_; } |
| bool VerifyInstances(const std::vector<proto::system::Instance*>& _instances); |
| |
| private: |
| // The last time we got a hearbeat from this stmgr |
| sp_int64 last_heartbeat_; |
| // The stats that was reported last time |
| proto::system::StMgrStats* last_stats_; |
| |
| // All the instances on this stmgr |
| std::vector<shared_ptr<proto::system::Instance>> instances_; |
| |
| // The info about this stmgr |
| shared_ptr<proto::system::StMgr> stmgr_; |
| // The connection used by the nodemanager to contact us |
| Connection* connection_; |
| // Our link to our TManager |
| Server& server_; |
| }; |
| } // namespace tmanager |
| } // namespace heron |
| |
| #endif |