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/* -*- C++ -*- */
//=============================================================================
/**
* @file Thread_Timer_Queue_Test.h
*
* This code exercises the <ACE_Thread_Timer_Queue_Adapter> using
* an <ACE_Timer_Heap_T>.
*
* @author Carlos O'Ryan <coryan@cs.wustl.edu> and Sergio Flores-Gaitan <sergio@cs.wustl.edu>
*/
//=============================================================================
#ifndef _THREAD_TIMER_QUEUE_TEST_H_
#define _THREAD_TIMER_QUEUE_TEST_H_
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/Event_Handler_Handle_Timeout_Upcall.h"
#include "ace/Synch_Traits.h"
#include "ace/Task.h"
#include "ace/Time_Value.h"
#include "ace/Timer_Heap_T.h"
#include "ace/Timer_Queue_Adapters.h"
#include "ace/svc_export.h"
#include "Driver.h"
// These typedefs ensure that we use the minimal amount of locking
// necessary.
typedef ACE_Event_Handler_Handle_Timeout_Upcall
Upcall;
typedef ACE_Timer_Heap_T<ACE_Event_Handler *,
Upcall,
ACE_SYNCH_NULL_MUTEX>
Timer_Heap;
typedef ACE_Timer_Heap_Iterator_T<ACE_Event_Handler *,
Upcall,
ACE_SYNCH_NULL_MUTEX>
Timer_Heap_Iterator;
typedef ACE_Thread_Timer_Queue_Adapter<Timer_Heap>
Thread_Timer_Queue;
// Forward declaration.
class Thread_Timer_Queue_Test_Driver;
/**
* @class Input_Task
*
* @brief Read user actions on the Timer_Queue from stdin.
*
* This class reads user input from stdin; those commands permit
* the control of a Timer_Queue, which is dispatched by another
* thread.
*/
class Input_Task : public ACE_Task_Base
{
public:
typedef int (Input_Task::*ACTION) (void *);
Input_Task (Thread_Timer_Queue *queue,
Thread_Timer_Queue_Test_Driver &timer_queue_driver);
/// This method runs the event loop in the new thread.
virtual int svc (void);
// = Some helper methods.
/// Add a new timer to expire in <seconds> more.
int add_timer (void *);
/// Cancel timer <id>.
int cancel_timer (void *);
/// List the current scheduled timers.
int list_timer (void *);
/// Shutdown task.
int shutdown_timer (void *);
/// Dump the state of the timer queue.
void dump (void);
private:
/// The timer queue implementation.
Thread_Timer_Queue *queue_;
/// How many micro seconds are in a second.
const int usecs_;
/// The thread timer queue test driver.
Thread_Timer_Queue_Test_Driver &driver_;
};
/**
* @class Thread_Timer_Queue_Test_Driver
*
* @brief Implements an example application that exercises
* <Thread_Timer_Queue> timer queue.
*
* This class implements a simple test driver for the
* <Thread_Timer_Queue>. The <display_menu> hook method is
* called from the base class to print a menu specific to the
* thread implementation of the timer queue.
*/
class ACE_Svc_Export Thread_Timer_Queue_Test_Driver : public Timer_Queue_Test_Driver <Thread_Timer_Queue, Input_Task, Input_Task::ACTION>
{
public:
Thread_Timer_Queue_Test_Driver (void);
~Thread_Timer_Queue_Test_Driver (void);
virtual int display_menu (void);
virtual int init (void);
virtual int run_test (void);
private:
/// Subclassed from ACE_Task.
Input_Task input_task_;
};
/**
* @class Handler
*
* @brief Event handler for the timer queue timeout events.
*
* The <handle_timeout> hook method prints out the current time,
* prints the time when this timer expired and deletes "this".
*/
class Handler : public ACE_Event_Handler
{
public:
Handler (const ACE_Time_Value &expiration_time);
~Handler (void);
/// Store an "id" for the Handler, which is only use to print better
/// messages.
void set_id (int id);
/// Call back hook.
virtual int handle_timeout (const ACE_Time_Value ¤t_time,
const void *arg);
private:
/// Store the expected time of expiration, it is used to print a nice
/// message saying how much delay was at the actual expiration time.
ACE_Time_Value expires_;
/// Store an "id" for the Handler, which is only use to print better
/// messages.
int id_;
};
#endif /* _THREAD_TIMER_QUEUE_TEST_H_ */
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