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//=============================================================================
/**
* @file RT_CORBA_Leader_Follower.h
*
* $Id$
*
* The leader follower test modified to suit RTCORBA tests. The
* original leader follower test has too many things that doesnt
* get what we are looking for (read it as just confusing enough)
* . Hence a new test.
*
* @author Balachandran Natarajan <bala@cs.wustl.edu>
*/
//=============================================================================
#ifndef PERF_TEST_RT_CORBA_LEADER_FOLLOWER_H
#define PERF_TEST_RT_CORBA_LEADER_FOLLOWER_H
#include /**/ "ace/pre.h"
#include "ace/Task.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#if defined (ACE_HAS_THREADS)
#include "ace/Manual_Event.h"
enum DEBUGGING_RANGE
{
DEBUG_NONE = 0,
DEBUG
};
/**
* @class Synchronisers
*
* @brief This class provides all the synchrnoisers used in this
* test.
*
*
*/
/// Forward declaration..
class Leader_Follower_Task;
class Synchronisers
{
public:
friend class Leader_Follower_Task;
/// Ctor
Synchronisers (void);
int start_synchronization (void);
int end_synchronization (void);
private:
/// The mutex and condition variable that is used for
/// synchronisation.
ACE_SYNCH_MUTEX mutex_;
ACE_SYNCH_CONDITION condition_;
/// A manual event
ACE_Manual_Event event_;
};
/**
* @class Leader_Follower_Task
*
* @brief This class provide the interface and an implementation to
* simulate how the LF pattern in the ORB would behave.
*
*
* Basically all threads ready to do an upcall would wait on a token
* or lock. The thread that gets the token before it gets ready to do
* the upcall would wake up a thread waiting on the token.
*
*/
class Leader_Follower_Task : public ACE_Task_Base
{
public:
/// Ctor with a mutex and a condition variable
Leader_Follower_Task (Synchronisers &synch);
/// Messages consumed
int processed (void);
/// Method that is run by a daemon thread
int svc (void);
private:
/// Number of messages processed by this thread
int messages_consumed_;
/// Our reference to the synchroniser
Synchronisers &synch_;
};
#endif /*ACE_HAS_THREADS*/
#include /**/ "ace/post.h"
#endif /*PERF_TEST_RT_CORBA_LEADER_FOLLOWER*/
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