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/* -*- C++ -*- */
//=============================================================================
/**
* @file Supplier_Timer_Handler.h
*
* $Id$
*
* Definition of the Supplier_Timer_Handler class.
*
*
* @author Kirthika Parameswaran <kirthika@cs.wustl.edu>
*/
//=============================================================================
#ifndef SUPPLIER_TIMER_HANDLER_H
#define SUPPLIER_TIMER_HANDLER_H
#include "ace/Reactor.h"
#include "ace/Timer_Queue.h"
#include "ace/Event_Handler.h"
#include "Supplier_i.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
class Supplier;
/**
* @class Supplier_Timer_Handler
*
* @brief Feeds stock information to the Callback Quoter notifier
* periodically.
* = Description
* Create a class to handle timer events. Since only timer events
* need to be handled, only the handle_timeout method is overlaoded.
*/
class Supplier_Timer_Handler : public ACE_Event_Handler
{
public:
/// Initilization.
Supplier_Timer_Handler (Supplier *supplier,
ACE_Reactor *reactor,
FILE *file_ptr);
/// Destructor.
~Supplier_Timer_Handler (void);
/// Method which will be called by the Reactor when timeout occurs.
virtual int handle_timeout (const ACE_Time_Value &tv,
const void *arg = 0);
private:
/// The values of the stock and its rate are got from the file.
int get_stock_information (void);
/// The supplier instance.
Supplier *supplier_obj_;
/// Reactor used by the supplier.
ACE_Reactor *reactor_;
/// The file handle of the file from where the stock input is obtained.
FILE* file_ptr_;
/// The name of the stock.
char stockname_[BUFSIZ];
/// The market value of the stock.It will be typecasted to long later.
long value_;
};
#endif /* SUPPLIER_TIMER_HANDLER_H */
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