text: /**
   * 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 __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
  