main2.cpp

/*
	If you find any mistakes in this file
	please let me know, so I can fix them and reupload
	fixed version for everyone.
*/

#include "SimulatedOS.h"

int main()
{
	SimulatedOS osSim{ 1, 300, 100 };

	osSim.NewProcess(10);
	osSim.NewProcess(5);

	osSim.PrintRAM();
	// Frame	Page	PID
	// 0		0		1
	// 1		0		2
	// 2		
    //std::cout<<"LRU "<<std::endl;
    //osSim.printLRU();
	osSim.FetchFrom(120);
	osSim.PrintRAM();
	// Frame	Page	PID
	// 0		0		1
	// 1		0		2
	// 2		1		1
 //std::cout<<"LRU "<<std::endl;
//osSim.printLRU();
	osSim.DiskReadRequested(0, "job.docx");
	osSim.PrintRAM();
	// Frame	Page	PID
	// 0		0		1
	// 1		0		2
	// 2		1		1
 //std::cout<<"LRU "<<std::endl;
    //osSim.printLRU();
	osSim.FetchFrom(777);
	osSim.PrintRAM();
	// Frame	Page	PID
	// 0		7		2
	// 1		0		2
	// 2		1		1
 //std::cout<<"LRU "<<std::endl;
    //osSim.printLRU();
	osSim.NewProcess(1);
	osSim.PrintRAM();
	// Frame	Page	PID
	// 0		7		2
	// 1		0		2
	// 2		0		3
 //std::cout<<"LRU "<<std::endl;
    //osSim.printLRU();
	osSim.DiskJobCompleted(0);
	// The following happens after this command:
	// The process 1 returns to ready-queue after the hard disk finished reading file for it.
	// Since the process 1 has the higher priority than the one currently running, the process 1 starts using the CPU immedeately
	// To use the CPU, the process one need its last used page (page 1) in memory (and thats what your simulation should provide)
	osSim.PrintRAM();
	// Frame	Page	PID
	// 0		7		2
	// 1		1		1
	// 2		0		3
 //std::cout<<"LRU "<<std::endl;
    //osSim.printLRU();
	osSim.Exit();
	osSim.PrintRAM();
	// Frame	Page	PID
	// 0		7		2
	// 1		
	// 2		0		3
 //std::cout<<"LRU "<<std::endl;
    //osSim.printLRU();
	osSim.FetchFrom(740);
	
	osSim.PrintRAM();
	// Frame	Page	PID
	// 0		7		2
	// 1		
	// 2		0		3
 //std::cout<<"LRU "<<std::endl;
    //osSim.printLRU();
	osSim.FetchFrom(3350);
	osSim.PrintRAM();
	// Frame	Page	PID
	// 0		7		2
	// 1		33		2
	// 2		0		3
 //std::cout<<"LRU "<<std::endl;
   //osSim.printLRU();
	osSim.FetchFrom(740);
	// The page 7 of the process 2 is already in memory. RAM snapshot doesn't change but 
	// your simulation remembers that the page 7 is now freshly used.
	osSim.PrintRAM();
	// Frame	Page	PID
	// 0		7		2
	// 1		33		2
	// 2		0		3
    //std::cout<<"LRU "<<std::endl;
    //osSim.printLRU();

	osSim.NewProcess(20);
	osSim.FetchFrom(100);
	osSim.PrintRAM();
	// Frame	Page	PID
	// 0		7		2
	// 1		1		4
	// 2		0		4

	return 0;
}
/*

int main()
{   
    //std::cout<<"I "<<std::endl;
	SimulatedOS osSim{3, 96, 32};
    //std::cout<<" i am here"<<std::endl;
	osSim.NewProcess(4);
	osSim.NewProcess(2);
	osSim.NewProcess(7);

	osSim.PrintCPU();
	// CPU: 3

	osSim.PrintReadyQueue();
	 //Ready-Queue: 1 2

	 osSim.DiskReadRequested(0, "HW.txt");

	osSim.PrintCPU();
	// CPU: 1

	osSim.PrintDisk(0);
	// Disk 0: PID 3, "HW.txt"

	osSim.PrintDiskQueue(0);
	// Disk 0 I/O-queue: Empty

	osSim.PrintDiskQueue(5);
	// Instruction ignored: no disk with such number exists

	osSim.DiskJobCompleted(0);
	osSim.PrintCPU();
	// CPU: 3

	osSim.PrintDisk(0);
	// Disk 0: Idle

	osSim.FetchFrom(48);
	osSim.PrintRAM();
	// Frame	Page	PID
	// 0		0		1
	// 1		1		3
	// 2		0		3

	osSim.Exit();

	osSim.PrintCPU();
	// CPU: 1

	osSim.PrintRAM();
	// Frame	Page	PID
	// 0		0		1

	return 0;
}
*/