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/* -*- C++ -*- */
//=============================================================================
/**
* @file Consumer_Input_Handler.h
*
* @author Douglas C. Schmidt (d.schmidt@vanderbilt.edu)
*/
//=============================================================================
#ifndef CONSUMER_INPUT_HANDLER_H
#define CONSUMER_INPUT_HANDLER_H
#include "ace/Service_Config.h"
#include "ace/Event_Handler.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
// Forward declaration.
class Consumer_Handler;
/**
* @class Consumer_Input_Handler
*
* @brief Handles input events generated from a keyboard.
*
* This class holds a <Consumer_Handler> object. It accepts input
* from the user and passes events to the <Notifier>. It also
* initiates shutdown.
*/
class Consumer_Input_Handler : public ACE_Event_Handler
{
public:
// Initialization and termination methods.
/// Constructor.
Consumer_Input_Handler(void);
/// Destructor.
~Consumer_Input_Handler (void);
/// registers the input event handler.
/// returns 0 on success, -1 on error.
int initialize (Consumer_Handler *);
/// Dispatch the callback when events occur.
virtual int handle_input (ACE_HANDLE);
/// Close down the handler.
int close (void);
/// Report whether the Consumer initiated the shutdown.
int consumer_initiated_shutdown (void);
/// Indicate that the Consumer initiated the shutdown.
void consumer_initiated_shutdown (int);
private:
/// Pointer to the <Consumer_Handler> that receives notifications
/// from the <Event_Comm::Notifier>.
Consumer_Handler *receiver_handler_;
/// Keep track of whether the Consumer initiated the shutdown.
int consumer_initiated_shutdown_;
};
#endif /* CONSUMER_INPUT_HANDLER_H */
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