baciBACIComponent.h

Go to the documentation of this file.

#ifndef baciBACIComponent_H
#define baciBACIComponent_H

/*******************************************************************
* ALMA - Atacama Large Millimiter Array
* (c) European Southern Observatory, 2003 
*
*This library is free software; you can redistribute it and/or
*modify it under the terms of the GNU Lesser General Public
*License as published by the Free Software Foundation; either
*version 2.1 of the License, or (at your option) any later version.
*
*This library 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
*Lesser General Public License for more details.
*
*You should have received a copy of the GNU Lesser General Public
*License along with this library; if not, write to the Free Software
*Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
*
* "@(#) $Id: baciBACIComponent.h,v 1.15 2009/10/08 09:05:13 bjeram Exp $"
*
* who       when      what
* --------  --------  ----------------------------------------------
* bgustafs 2001-07-12 changed name of parameter in setCompletion
* msekoran  2001/03/04 modified
*/

#ifndef __cplusplus
#error This is a C++ include file and cannot be used from plain C
#endif

#include "baciExport.h"
#include "baciThread.h"
#include "baciValue.h"
#include "logging.h"

#include "baciBACIAction.h"
#include "baciBACICallback.h"
#include "baciBACIMonitor.h"
#include "baciBACIProperty.h"
#include <acsThreadManager.h>
#include "baciCharacteristicModelImpl.h"
#include <baciErrTypeProperty.h>
#include <ACSErrTypeCommon.h>

namespace baci
{


/* ------------------------------------------------------------------------ */



class baci_EXPORT BACIComponent
{

public:

    BACIComponent( ACS::ThreadManager *thrMgr,
                   const ACE_CString& name,
                   CharacteristicModelImpl *characteristicModel,
                   size_t actionThreadStackSize,
                   size_t monitorThreadStackSize,
                   const ACS::TimeInterval& actionThreadResponseTime=defaultRTResponseTime_m, 
                   const ACS::TimeInterval& actionThreadSleepTime=minRTSleepTime_m,
                   const ACS::TimeInterval& monitorThreadResponseTime=defaultMTResponseTime_m,
                   const ACS::TimeInterval& monitorThreadSleepTime=minMTSleepTime_m);

  ~BACIComponent();

//  ACE_CString getName() const { return name; }
  const char * getName() const { return name_m.c_str(); }

  int registerCallback(const BACIValue::Type type,
                       Callback_ptr callback_p, 
                       const CBDescIn descIn);

   int registerAction(const BACIValue::Type type,
                     Callback_ptr callback_p, 
                     const CBDescIn descIn,
                     ActionImplementator* actionImplementator_,
                     int actionFunction_);

  int registerAction(const BACIValue::Type type,
                     Callback_ptr callback_p, 
                     const CBDescIn descIn,
                     ActionImplementator* actionImplementator_,
                     int actionFunction,
                     const BACIValue& value);

  BACIThreadManager* getThreadManager() const { return threadManager_mp; }

  ACS::TimeInterval getMTResponseTime() const { return monitorThreadResponseTime_m; }
  void setMTResponseTime(const ACS::TimeInterval& _monitorThreadResponseTime);

  ACS::TimeInterval getMTSleepTime() const { return monitorThreadSleepTime_m; }
  void setMTSleepTime(const ACS::TimeInterval& _monitorThreadSleepTime);
  
  ACS::TimeInterval getRTResponseTime() const { return actionThreadResponseTime_m; }
  void setRTResponseTime(const ACS::TimeInterval& _actionThreadResponseTime);

  ACS::TimeInterval getRTSleepTime() const { return actionThreadSleepTime_m; }
  void setRTSleepTime(const ACS::TimeInterval& _actionThreadSleepTime);

    bool dispatchCallback(int callbackID, 
                          const BACIValue& value, 
                          CBDescOut& descOut,
                          const Completion& completion,
                        const BACIMonitor * archiver = 0);
    bool finishCallback(int callbackID, 
                        const BACIValue& value, 
                      CBDescOut& descOut, const Completion& completion);


  bool isInDestructionState() const { return inDestructionState_m; };

  
  int getActionCount() const { return actionQueue_m.size(); }
  void pushAction(BACIAction* action);
  BACIAction* popAction();

  void removeCallbackAndAction(int callbackID);
    BACICallback* getCallback(int callbackID);
    void removeCallback(int callbackID);
    
  int getPropertyCount() const { return propertyVector_m.size(); }
  BACIProperty* getPropertyAt(int pos) const;

  void stopAllThreads();
  bool startAllThreads();

  void startMonitoringThread();

   void startActionThread();

   void stopMonitoringThread();

    void stopActionThread();

    bool isMonitoringActive();

    bool isActionThreadActive();

    CharacteristicModelImpl* getCharacteristicModel() const { return characteristicModel_mp; };

protected:

  static const ACS::TimeInterval defaultRTResponseTime_m;                       // RT = Action Thread
  static const ACS::TimeInterval minRTSleepTime_m;
  
  static const ACS::TimeInterval defaultMTResponseTime_m;                       // MT = Monitor Thread
  static const ACS::TimeInterval minMTSleepTime_m;


  BACIThread* getActionThread() const { return actionThread_mp; }
  BACIThread* getMonitorThread() const { return monitorThread_mp; }

  int getThreadCount() const { return threadManager_mp->getThreadCount(); }

    void removeAction(int callbackID);

  void addProperty(BACIProperty* property);
  void removeProperty(BACIProperty* property);

private:

  ACE_CString name_m;
  CharacteristicModelImpl* characteristicModel_mp;

  BACICallbackTable callbackTable_m;
  BACIActionQueue actionQueue_m;
  BACIPropertyVector propertyVector_m;

    ACS::TimeInterval actionThreadResponseTime_m;
    ACS::TimeInterval actionThreadSleepTime_m;
    ACS::TimeInterval monitorThreadResponseTime_m;
    ACS::TimeInterval monitorThreadSleepTime_m;

  BACIThread* actionThread_mp;
  BACIThread* monitorThread_mp;
  BACIThreadManager* threadManager_mp;

  bool inDestructionState_m;

  BACIMutex actionQueueMutex_m;
  BACIMutex propertyVectorMutex_m;
  BACIMutex callbackTableMutex_m;

  size_t actionThreadStackSize_m;
  size_t monitoringThreadStackSize_m;

  friend class BACIProperty;

    void operator=(const BACIComponent&);
    
    BACIComponent(const BACIComponent&);

};   /* BACIComponent */

/* ------------------------------------------------------------------------ */

}//namespace baci


#endif /* baci_H */