/*
 * This Software is the original work of Daniel TUNG 
 * This Software is submitted in partial fulfillment of the
 * requirements for the degree of BCSE.
 * Dept. Computer Science, Monash University 2000
 *
 * Copyright (c) 2000 beetung@cs.monash.edu.au
 *                    beetung@geocities.com
 */

#ifndef CAR_H
#define CAR_H


#include <iostream>
#include <fstream>
#include <string>

#include "semaphore.h"
#include "consumer.h"	// consumer and producer class
#include "carop.h"	// car operation command set


////
//// This class encapsulates our car prototype, mainly for control
//// related task...
////
////////////////////////////////////////
class Car { 
////////////////////////////////////////

      ///// Note: aSem is a class data variable that dies when ~Car is invoked.
      /////	    It _MUST_ die alone with this object and _MUST NEVER_ 
      /////       die before Consumer or Producer! 
  private:
	/// Producer and Consumer Loop, using semaphore as
	/// a synchronization tool, refer to "semaphore.h"
	///
	MySemaphore aSem;	// this one should die with the object!!!
	Producer producer;	// command sender, to produce
	Consumer consumer;	// controller loop, to consume


  public: 
	//---------------------
	 Car() : aSem(),producer(aSem),consumer(aSem) { 
	//---------------------
	  consumer();	// setup Controller as Consumer
	 }

	//---------------------
	 ~Car() { 
	//---------------------
	  producer.SemDie();
	  consumer.SemDie();
	}

	//---------------------
	void steerOn( int a  ) {
	//---------------------
	 producer.setCommand( a );
	 producer.Produce();
	}
}; 

#endif