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//=============================================================================
/**
* @file Upgradable_RW_Test.h
*
* It is only used by Upgradable_RW_Test.cpp.
*
* @author Michael Kircher <mk1@cs.wustl.edu>
*/
//=============================================================================
#ifndef ACE_TESTS_UPGRADABLE_RW_TEST_H
#define ACE_TESTS_UPGRADABLE_RW_TEST_H
#include "test_config.h"
#include "ace/Barrier.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/Task.h"
#include "ace/Thread.h"
#include "ace/Thread_Manager.h"
#include "ace/Get_Opt.h"
#include "ace/SString.h"
#include "ace/Profile_Timer.h"
class Element;
/**
* @class Element
*
* @brief The members for the double linked list.
*/
class Element
{
friend class ACE_Double_Linked_List<Element>;
friend class ACE_Double_Linked_List_Iterator_Base<Element>;
friend class ACE_Double_Linked_List_Iterator<Element>;
friend class ACE_Double_Linked_List_Reverse_Iterator<Element>;
public:
Element (ACE_CString *item = 0,
Element *p = 0,
Element *n = 0)
: prev_ (p),
next_(n),
item_(item)
{
}
ACE_CString *value ()
{
return this->item_;
}
private:
Element *prev_;
Element *next_;
ACE_CString *item_;
};
typedef ACE_Double_Linked_List<Element> Linked_List;
/**
* @class Time_Calculation
*
* @brief class to do time calculations thread safe
*/
class Time_Calculation
{
public:
Time_Calculation ()
: reported_times_ (0)
{
times_.real_time = 0;
times_.user_time = 0;
times_.system_time = 0;
}
/// take the time of the thread and add it to
void report_time (ACE_Profile_Timer::ACE_Elapsed_Time &elapsed_time);
void print_stats ();
private:
/// add the times incrementally
ACE_Profile_Timer::ACE_Elapsed_Time times_;
/// protect the time
ACE_SYNCH_MUTEX mutex_;
/// count how many threads gave me the elapsed_time
unsigned int reported_times_;
};
/**
* @class Reader_Task
*
* @brief A Task for readers
*/
class Reader_Task : public ACE_Task_Base
{
public:
Reader_Task (Time_Calculation &time_Calculation,
ACE_Barrier &barrier)
: time_Calculation_ (time_Calculation),
barrier_(barrier)
{
};
virtual int svc ();
private:
/// keep a reference to the time calculation class
Time_Calculation &time_Calculation_;
/// keep this reference for the barrier, in order
/// to allow a "nice" start
ACE_Barrier &barrier_;
};
/**
* @class Writer_Task
*
* @brief A Task for wirters.
*/
class Writer_Task : public ACE_Task_Base
{
public:
Writer_Task (Time_Calculation &time_Calculation,
ACE_Barrier &barrier)
: time_Calculation_ (time_Calculation),
barrier_(barrier)
{
};
virtual int svc ();
private:
/// keep a reference to the time calculation class
Time_Calculation &time_Calculation_;
/// keep this reference for the barrier, in order
/// to allow a "nice" start
ACE_Barrier &barrier_;
};
#endif /* ACE_TESTS_UPGRADABLE_RW_TEST_H */
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