listen.h

/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
 *
 *  Copyright (C) 2008 Sun Microsystems, 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 St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#pragma once

#include <boost/foreach.hpp>
#include <drizzled/plugin/plugin.h>
#include <drizzled/atomics.h>
#include <vector>
#include <drizzled/visibility.h>

namespace drizzled {
namespace plugin {

typedef std::vector<Listen *> ListenVector;
typedef std::pair<std::string*, drizzled::atomic<uint64_t>*> ListenCounter;
class DRIZZLED_API Listen : public Plugin
{
protected:
  std::vector<ListenCounter*> counters;
public:
  explicit Listen(std::string name_arg)
    : Plugin(name_arg, "Listen")
  {}

  virtual ~Listen()
  {
    BOOST_FOREACH(ListenCounter* counter, counters)
    {
      delete counter->first;
      delete counter;
    }
  }

  static ListenVector &getListenProtocols();

  std::vector<ListenCounter*>& getListenCounters()
  {
    return counters;
  }
  virtual bool getFileDescriptors(std::vector<int> &fds)= 0;

  virtual plugin::Client *getClient(int fd)= 0;

  static bool addPlugin(Listen*);

  static void removePlugin(Listen*);

  static bool setup(void);

  static plugin::Client *getClient();

  static plugin::Client *getNullClient();

  static void shutdown();

};

} /* namespace plugin */

} /* namespace drizzled */