/*
 * 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_MTMGR_H
#define __DUMMY_MTMGR_H

#include "threads/spcountdownlatch.h"
#include "network/network_error.h"

namespace heron {
namespace proto {
namespace tmaster {
class TMasterLocation;
}
}
}

class DummyMtrMgr : public Server {
 public:
  DummyMtrMgr(EventLoopImpl* ss, const NetworkOptions& options, const sp_string& stmgr_id,
              CountDownLatch* tmasterLatch, CountDownLatch* connectionCloseLatch);
  virtual ~DummyMtrMgr();

  heron::proto::tmaster::TMasterLocation* get_tmaster();

 protected:
  // handle an incoming connection from server
  virtual void HandleNewConnection(Connection* newConnection);

  // handle a connection close
  virtual void HandleConnectionClose(Connection* connection, NetworkErrorCode status);

  // Handle metrics publisher request
  virtual void HandleMetricPublisherRegisterRequest(
      REQID _id, Connection* _conn, heron::proto::system::MetricPublisherRegisterRequest* _request);
  virtual void HandleMetricPublisherPublishMessage(
      Connection* _conn, heron::proto::system::MetricPublisherPublishMessage* _message);
  virtual void HandleTMasterLocationMessage(
      Connection*, heron::proto::system::TMasterLocationRefreshMessage* _message);

 private:
  sp_string stmgr_id_expected_;
  heron::proto::tmaster::TMasterLocation* location_;
  // Used to signal that tmaster location has been received
  CountDownLatch* tmasterLatch_;
  // Used to signal that connection to stmgr has been closed
  CountDownLatch* connectionCloseLatch_;
};

#endif