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// -*- C++ -*-
//=============================================================================
/**
* @file Supplier_i.h
*
* This class implements a simple CORBA server that keeps
* on sending stock values to the Notifier.
*
* @author Kirthika Parameswaran <kirthika@cs.wustl.edu>
*/
//=============================================================================
#ifndef SUPPLIER_I_H
#define SUPPLIER_I_H
#include "orbsvcs/Naming/Naming_Client.h"
#include "orbsvcs/CosNamingC.h"
#include "ace/Reactor.h"
#include "ace/Read_Buffer.h"
#include "NotifierC.h"
#include "Supplier_Timer_Handler.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
/**
* @class Supplier
*
* @brief Market feed daemon implementation.
*
* This class feeds stock information to the Callback Quoter
* notifier.
*/
class Supplier_Timer_Handler;
class Supplier
{
public:
/// Constructor.
Supplier ();
/// Destructor.
~Supplier ();
/// Execute the daemon.
int run ();
/// Initialize the client communication endpoint with Notifier.
int init (int argc, ACE_TCHAR *argv[]);
/// Sends the stock name and its value.
int send_market_status (const char *stock_name,
long value);
private:
/// The timer handler used to send the market status to the notifier
/// periodically.
Supplier_Timer_Handler *supplier_timer_handler_ {};
/// Remember our orb.
CORBA::ORB_var orb_;
/// Function to read the Notifier IOR from a file.
int read_ior (ACE_TCHAR *filename);
/// Parses the arguments passed on the command line.
int parse_args ();
/// This method initialises the naming service and registers the
/// object with the POA.
int via_naming_service();
/// returns the TAO instance of the singleton Reactor.
ACE_Reactor *reactor_used () const;
/// This method used for getting stock information from a file.
int read_file (ACE_TCHAR *filename);
/// # of arguments on the command line.
int argc_;
/// arguments from command line.
ACE_TCHAR **argv_;
/// IOR of the obj ref of the Notifier.
ACE_TCHAR *ior_;
/// An instance of the name client used for resolving the factory
/// objects.
TAO_Naming_Client naming_services_client_;
/// This variable denotes whether the naming service
/// is used or not.
int use_naming_service_;
/// Notifier object reference.
Notifier_var notifier_;
/// The pointer for accessing the input stream.
FILE *f_ptr_;
/// Iteration count.
int loop_count_;
/// Time period between two succesive market feeds to the Notifier.
long period_value_;
};
#endif /*SUPPLIER_I_H */
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