mariadb-columnstore-engine/utils/multicast/multicast.h

/* Copyright (C) 2014 InfiniDB, Inc.

   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public License
   as published by the Free Software Foundation; version 2 of
   the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
   MA 02110-1301, USA. */

/******************************************************************************
 * $Id: multicast.h 3495 2013-01-21 14:09:51Z rdempsey $
 *
 *****************************************************************************/

/** @file
 * class Multicast interface
 */

#pragma once

#include "messagequeue.h"

namespace multicast
{
/** @brief  MulticastReceive
 * Wrapper for multicast proto
 */

class MulticastImpl;

class Multicast
{
 public:
  /** @brief ctor
   * Base class
   */
  Multicast();

  /** @brief dtor
   */
  virtual ~Multicast()
  {
    destroy();
  }

  virtual void destroy()
  {
  }

  int PMCount() const
  {
    return fPMCount;
  }
  std::string iFName() const
  {
    return fIFName;
  }
  int portBase() const
  {
    return fPortBase;
  }
  int bufSize() const
  {
    return fBufSize;
  }

 private:
  int fPMCount;
  std::string fIFName;
  int fPortBase;
  int fBufSize;
};

class MulticastReceiver : public Multicast
{
 public:
  /** @brief ctor
   *
   */
  MulticastReceiver();

  ~MulticastReceiver();

  messageqcpp::SBS receive();

 private:
  // not copyable
  MulticastReceiver(const MulticastReceiver& rhs);
  MulticastReceiver& operator=(const MulticastReceiver& rhs);

  messageqcpp::SBS fByteStream;

  MulticastImpl* fPimpl;
};

class MulticastSender : public Multicast
{
 public:
  /** @brief ctor
   *
   */
  MulticastSender();

  ~MulticastSender();

  /** @brief receive
   *
   * @param bytestream to send
   */
  void send(const messageqcpp::ByteStream& bs);

 private:
  // Not copyable
  MulticastSender(const MulticastSender& rhs);
  MulticastSender& operator=(const MulticastSender& rhs);

  MulticastImpl* fPimpl;
};

}  // namespace multicast