heron/stmgr/tests/cpp/server/dummy_ckptmgr_client.h

/*
 * Copyright 2015 Twitter, Inc.
 *
 * Licensed 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 __DUMMY_CKPTMGR_CLIENT_H
#define __DUMMY_CKPTMGR_CLIENT_H

#include <map>
#include <set>
#include <string>

#include "proto/messages.h"
#include "manager/ckptmgr-client.h"

class DummyCkptMgrClient : public heron::stmgr::CkptMgrClient {
 public:
  DummyCkptMgrClient(EventLoop* eventLoop, const NetworkOptions& _options,
                     const std::string& _stmgr,
                     heron::proto::system::PhysicalPlan* _pplan);

  virtual ~DummyCkptMgrClient();

  virtual void SaveInstanceState(heron::proto::ckptmgr::SaveInstanceStateRequest* _request);
  virtual void GetInstanceState(const heron::proto::system::Instance& _instance,
                                const std::string& _checkpoint_id);

  bool SaveCalled(const std::string& _ckpt_id, int32_t _task_id) const;
  bool GetCalled(const std::string& _ckpt_id, int32_t _task_id) const;
  void ClearGetCalled(const std::string& _ckpt_id, int32_t _task_id);

 private:
  void DummySaveWatcher(const heron::proto::system::Instance& _instance,
                        const std::string& _ckpt_id);
  void DummyGetWatcher(heron::proto::system::StatusCode _status,
                       int32_t _restore_txid,
                       const std::string& _ckpt_id,
                       const heron::proto::ckptmgr::InstanceStateCheckpoint& _ckpt);
  void DummyRegisterWatcher();
  // Map from ckptid to task_ids for which the call was made
  std::map<std::string, std::set<int32_t>> saves_;
  std::map<std::string, std::set<int32_t>> gets_;
};

#endif