text: /*
   * Copyright 2013 Stanford University.
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * - Redistributions of source code must retain the above copyright
   *   notice, this list of conditions and the following disclaimer.
   *
   * - Redistributions in binary form must reproduce the above copyright
   *   notice, this list of conditions and the following disclaimer in the
   *   documentation and/or other materials provided with the
   *   distribution.
   *
   * - Neither the name of the copyright holders nor the names of
   *   its contributors may be used to endorse or promote products derived
   *   from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
   * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
   * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
   * OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
   /*
    * The handshake command is sent by a worker to the controller when
    * it first starts. It allows the controller to register the worker
    * and assign it a unique ID.
    *
    * Author: Omid Mashayekhi <omidm@stanford.edu>
    * Author: Philip Levis <pal@cs.stanford.edu>
    */
  
  #ifndef NIMBUS_SRC_SHARED_HANDSHAKE_COMMAND_H_
  #define NIMBUS_SRC_SHARED_HANDSHAKE_COMMAND_H_
  
  
  #include <string>
  #include "src/shared/scheduler_command.h"
  
  namespace nimbus {
  class HandshakeCommand : public SchedulerCommand {
    public:
      HandshakeCommand();
      explicit HandshakeCommand(const ID<worker_id_t>& worker_id,
                                const std::string& ip,
                                const ID<port_t>& port,
                                const double& time);
      ~HandshakeCommand();
  
      virtual SchedulerCommand* Clone();
      virtual bool Parse(const std::string& data);
      virtual bool Parse(const SchedulerPBuf& buf);
      virtual std::string ToNetworkData();
      virtual std::string ToString();
      ID<worker_id_t> worker_id();
      std::string ip();
      ID<port_t> port();
      double time();
  
    private:
      ID<worker_id_t> worker_id_;
      std::string ip_;
      ID<port_t> port_;
      double time_;
  
      bool ReadFromProtobuf(const HandshakePBuf& buf);
      bool WriteToProtobuf(HandshakePBuf* buf);
  };
  
  
  }  // namespace nimbus
  
  #endif  // NIMBUS_SRC_SHARED_HANDSHAKE_COMMAND_H_
  