SelectScheduler.h

/**************************************************************
* Copyright (c) 2010-2013, Dynamic Network Services, Inc.
* Jake Montgomery (jmontgomery@dyn.com) & Tom Daly (tom@dyn.com)
* Distributed under the FreeBSD License - see LICENSE
***************************************************************/
/**

  Scheduler implementation for system with select, but without kevent..

 */
#pragma once

#include "config.h"

#ifndef USE_KEVENT_SCHEDULER

#include "SchedulerBase.h"
#include <vector>
#include <set>

namespace openbfdd
{
  class SelectScheduler : public SchedulerBase
  {

  public:
  public:
    /**
     * Constructor
     * The thread that calls this is considered the "main thread". See
     * Scheduler::IsMainThread().
     */
    SelectScheduler();
    virtual ~SelectScheduler();

  protected:

    /** Overrides from  SchedulerBase  */
    virtual bool watchSocket(int fd);
    virtual void unWatchSocket(int fd);
    virtual bool waitForEvents(const struct timespec &timeout);
    virtual int getNextSocketEvent();


  private:

    void resizeFoundSockets();

    int m_foundEvents;  // from last waitForEvents()
    std::vector<int> m_foundSockets; // from last waitForEvents().
    int m_nextCheckEvent;  // for getNextSocketEvent
    std::set<int> m_watchSockets;
  };

}

#endif  // !USE_KEVENT_SCHEDULER