null-message-simulator-impl.h

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 *  Copyright 2013. Lawrence Livermore National Security, LLC.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation;
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Author: Steven Smith <smith84@llnl.gov>
 */
 
#ifndef NULLMESSAGE_SIMULATOR_IMPL_H
#define NULLMESSAGE_SIMULATOR_IMPL_H
 
#include <ns3/simulator-impl.h>
#include <ns3/scheduler.h>
#include <ns3/event-impl.h>
#include <ns3/ptr.h>
 
#include <list>
#include <iostream>
#include <fstream>
 
namespace ns3 {
 
class NullMessageEvent;
class NullMessageMpiInterface;
class RemoteChannelBundle;
 
class NullMessageSimulatorImpl : public SimulatorImpl
{
public:
  static TypeId GetTypeId (void);
 
  NullMessageSimulatorImpl ();
 
  ~NullMessageSimulatorImpl ();
 
  // virtual from SimulatorImpl
  virtual void Destroy ();
  virtual bool IsFinished (void) const;
  virtual void Stop (void);
  virtual void Stop (Time const &delay);
  virtual EventId Schedule (Time const &delay, EventImpl *event);
  virtual void ScheduleWithContext (uint32_t context, Time const &delay, EventImpl *event);
  virtual EventId ScheduleNow (EventImpl *event);
  virtual EventId ScheduleDestroy (EventImpl *event);
  virtual void Remove (const EventId &id);
  virtual void Cancel (const EventId &id);
  virtual bool IsExpired (const EventId &id) const;
  virtual void Run (void);
 
  virtual Time Now (void) const;
  virtual Time GetDelayLeft (const EventId &id) const;
  virtual Time GetMaximumSimulationTime (void) const;
  virtual void SetScheduler (ObjectFactory schedulerFactory);
  virtual uint32_t GetSystemId (void) const;
  virtual uint32_t GetContext (void) const;
  virtual uint64_t GetEventCount (void) const;
 
  static NullMessageSimulatorImpl * GetInstance (void);
 
private:
  friend class NullMessageEvent;
  friend class NullMessageMpiInterface;
  friend class RemoteChannelBundleManager;
 
  void HandleArrivingMessagesNonBlocking (void);
 
  void HandleArrivingMessagesBlocking (void);
 
  virtual void DoDispose (void);
 
  void CalculateLookAhead (void);
 
  void ProcessOneEvent (void);
 
  Time Next (void) const;
 
  void CalculateSafeTime (void);
 
  Time GetSafeTime (void);
 
  void ScheduleNullMessageEvent (Ptr<RemoteChannelBundle> bundle);
 
  void RescheduleNullMessageEvent (Ptr<RemoteChannelBundle> bundle);
 
  void RescheduleNullMessageEvent (uint32_t nodeSysId);
 
  Time CalculateGuaranteeTime (uint32_t systemId);
 
  void NullMessageEventHandler(RemoteChannelBundle* bundle);
 
  typedef std::list<EventId> DestroyEvents;
 
  DestroyEvents m_destroyEvents;
  bool m_stop;
  Ptr<Scheduler> m_events;
 
  uint32_t m_uid;
  uint32_t m_currentUid;
  uint64_t m_currentTs;
  uint32_t m_currentContext;
  uint64_t m_eventCount;
  int m_unscheduledEvents;
 
  uint32_t     m_myId;        
  uint32_t     m_systemCount; 
  Time m_safeTime;
 
  double m_schedulerTune;
 
  static NullMessageSimulatorImpl* g_instance;
};
 
} // namespace ns3
 
#endif /* NULLMESSAGE_SIMULATOR_IMPL_H */