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