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/* -*- C++ -*- */
//=============================================================================
/**
* @file Async_Timer_Queue_Test.h
*
* $Id$
*
* This test exercises the <ACE_Asynch_Timer_Queue_Adapter>
* using an <ACE_Timer_Heap>.
*
*
* @author Douglas C. Schmidt and Sergio Flores-Gaitan
*/
//=============================================================================
#ifndef _ASYNC_TIMER_QUEUE_TEST_H_
#define _ASYNC_TIMER_QUEUE_TEST_H_
#include "ace/Signal.h"
#include "ace/svc_export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/Timer_Heap.h"
#include "ace/Timer_Queue_Adapters.h"
#include "Driver.h"
/**
* @class Async_Timer_Handler
*
* @brief Target of the asynchronous timeout operation.
*/
class Async_Timer_Handler : public ACE_Event_Handler
{
public:
/// Callback hook invoked by the <Timer_Queue>.
virtual int handle_timeout (const ACE_Time_Value &tv,
const void *arg);
};
/**
* @class Async_Timer_Queue
*
* @brief Asynchronous Timer Queue Singleton.
*
* We use this class to avoid global variables and to
* consolidate all the Timer Queue processing in one central
* place.
*/
class Async_Timer_Queue
{
public:
typedef int (Async_Timer_Queue::*ACTION) (void *);
/// Singleton access point.
static Async_Timer_Queue *instance (void);
/// Schedule a timer to expire <microsecs> in the future.
void schedule (u_int microsecs);
/// Cancel a timer with <timer_id>.
void cancel (long timer_id);
/// Dump the contents of the queue.
void dump (void);
/// hook method to schedule a timer. Called from
/// <Timer_Queue_Test_Driver>
int schedule_timer (void *argument);
/// hook method to cancel a timer. Called from
/// <Timer_Queue_Test_Driver>
int cancel_timer (void *argument);
/// hook method to list timers. Called from
/// <Timer_Queue_Test_Driver>
int list_timer (void *argument);
/// hook method to exit the timer queue. Called from
/// <Timer_Queue_Test_Driver>
int shutdown_timer (void *argument);
private:
/// Private constructor enforces the Singleton.
Async_Timer_Queue (ACE_Sig_Set *);
/// Pointer to the timer queue.
static Async_Timer_Queue *instance_;
/// The adapter is instantiated by an <ACE_Timer_Heap>.
ACE_Async_Timer_Queue_Adapter<ACE_Timer_Heap> tq_;
};
/**
* @class Async_Timer_Queue_Test_Driver
*
* @brief Async_Timer_Queue_Test_Driver
*
* This class implements a test driver for the
* <Async_Timer_Queue>. Implements a display_menu() method that
* prints the options for a user. and init() which initializes
* the driver. The rest of the common functionality is in the
* parent class <Timer_Queue_Test_Driver>.
*/
class ACE_Svc_Export Async_Timer_Queue_Test_Driver : public Timer_Queue_Test_Driver <Async_Timer_Queue *, Async_Timer_Queue, Async_Timer_Queue::ACTION>
{
public:
Async_Timer_Queue_Test_Driver (void);
/// Print menu of options.
virtual int display_menu (void);
/// Initializes the driver's internal variables inherited from the parent
virtual int init (void);
};
#endif /* _ASYNC_TIMER_QUEUE_TEST_H_ */
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