?? process.cpp
字號(hào):
#include <math.h>
#include "Windw.h"
#define MAX 100
#define SIZE 50
class PCB
{
private :
int ID;
int Size;
int Ts;
int Flag;
public :
PCB()
{
ID=0;
Size=0;
Ts=0;
Flag=0;
}
void SetID(int I){ID=I;}
void SetMFlag(){Flag=1;}
void SetDFlag(){Flag=0;}
void SetSizeTs(void)
{
int number;
randomize();
number=rand()%4;
Size=ldexp(2,number-1);
Ts=(number+1)*5;
}
int GetFlag(void) {return Flag;}
int GetID(void){return ID;}
int GetSize(void){return Size;}
int GetTs(void){return Ts;}
};
class Rectangle
{
friend class Grid;
private :
int left,top,right,bottom;
char content[SIZE];
public :
void Outtextxy(char text[SIZE])
{
strcpy(content,text);
outtextxy(left+9,top+7,content);
}
void Fill(int Number)
{
setfillstyle(SOLID_FILL,Number);
bar3d(left+1,top+1,right-1,bottom-1,0,0);
}
void Test(int Temp,int Interval)
{
if (Temp==0) outtextxy(left+45+Interval,top+7,"0");
if (Temp==1) outtextxy(left+45+Interval,top+7,"1");
if (Temp==2) outtextxy(left+45+Interval,top+7,"2");
if (Temp==3) outtextxy(left+45+Interval,top+7,"3");
if (Temp==4) outtextxy(left+45+Interval,top+7,"4");
if (Temp==5) outtextxy(left+45+Interval,top+7,"5");
if (Temp==6) outtextxy(left+45+Interval,top+7,"6");
if (Temp==7) outtextxy(left+45+Interval,top+7,"7");
if (Temp==8) outtextxy(left+45+Interval,top+7,"8");
if (Temp==9) outtextxy(left+45+Interval,top+7,"9");
}
void Display(int number)
{
int Temp=number;
if ((Temp>=0) && (Temp<=9)) Test(Temp,0);
if ((Temp>=10) && (Temp<=99))
{
Temp=int (Temp/10);
Test(Temp,0);
Temp=number-Temp*10;
Test(Temp,5);
}
}
};
class Grid
{
private :
Rectangle *Array[MAX];
public :
Grid(){};
void NewRectangle(int number,int a,int b,int c,int d)
{
Rectangle *Newrect;
Newrect=new Rectangle;
Newrect->left=a;
Newrect->top=b;
Newrect->right=c;
Newrect->bottom=d;
rectangle(a,b,c,d);
Array[number]=Newrect;
}
Rectangle *GetRectangle(int number) {return Array[number];}
};
void Exit(void);
void Version(void);
void Running(void);
void InitGrid(void);
void InitGraph(void);
void InitRecord(void);
void Allocation(void);
void Compact(int number);
int Returncolor(int number);
Grid Record,Graph;
PCB MEMORY[MAX];
PCB HARDDISK[MAX];
int Screen[MAX];
int CurrentMIDM=0,CurrentMIDD=0,CurrentMMp=0,CurrentMDp=0;
int LeftSpace=SIZE,LeftD=SIZE,CurrentEIDM,CurrentEIDD;
int main()
{
int i;
InitGraph();
InitRecord();
InitGrid();
EventMsg eventMsg;
mouse.SetLimits(0,getmaxx(),0,getmaxy());
mouse.ShowMouse();
Button wndw1(220,360,"^OK");
Button wndw2(300,360,"^CANCEL");
wndw1.DrawWindow();
wndw2.DrawWindow();
int button=0;
while (!button)
{
GetEvent(eventMsg);
if (wndw1.Clicked(eventMsg)) Allocation();
if (wndw2.Clicked(eventMsg)) button=CANCEL;
else if (!wndw1.Clicked(eventMsg)&&!wndw2.Clicked(eventMsg))
Running();
}
Exit();
return 0;
}
void Exit(void)
{
mouse.HideMouse();
Version();
getch();
closegraph();
exit(1);
}
void InitGraph(void)
{
int Gdriver=DETECT,Gmode,Errorcode;
initgraph(&Gdriver,&Gmode,"D:\\Tools\\Tc3.0\\Bgi");
Errorcode=graphresult();
if (Errorcode!=grOk)
{
printf("Graphics Error: %s\n",grapherrormsg(Errorcode));
printf("Press any key to exit & Change the dictory :");
getch();
exit(1);
}
}
void InitRecord(void)
{
int number=0,circle,i;
for (i=0;i<5;i++)
{
for (circle=0;circle<6;circle++)
{
Record.NewRectangle(number,15+circle*100,20+i*20,
circle*100+115,20+((i+1)*20));
number=number+1;
}
}
setcolor(14);
Record.GetRectangle(0)->Outtextxy(" SIZE ");
Record.GetRectangle(1)->Outtextxy(" INTERVAL ");
Record.GetRectangle(2)->Outtextxy(" TOTAL ");
Record.GetRectangle(3)->Outtextxy(" READY ");
Record.GetRectangle(4)->Outtextxy(" RUNNING ");
Record.GetRectangle(5)->Outtextxy(" COLOR ");
setcolor(12);
Record.GetRectangle(12)->Outtextxy(" 2M ");
Record.GetRectangle(18)->Outtextxy(" 4M ");
Record.GetRectangle(24)->Outtextxy(" 8M ");
for (i=7,circle=0;i<=25,circle<4;i=i+6,circle++)
Record.GetRectangle(i)->Display(i-circle-2);
setcolor(15);
for (i=8,circle=0;i<=26,circle<4;i=i+6,circle++)
Record.GetRectangle(i)->Outtextxy(" Random ");
for (i=9,circle=0;i<=27,circle<4;i=i+6,circle++)
Record.GetRectangle(i)->Outtextxy(" Random ");
for (i=10,circle=0;i<=28,circle<4;i=i+6,circle++)
Record.GetRectangle(i)->Outtextxy(" Random ");
setcolor(12);
Record.GetRectangle(11)->Outtextxy(" RED ");
setcolor(9);
Record.GetRectangle(17)->Outtextxy(" BLUE ");
setcolor(10);
Record.GetRectangle(23)->Outtextxy(" GREEN ");
setcolor(14);
Record.GetRectangle(29)->Outtextxy(" YELLOW ");
}
void InitGrid(void)
{
int number=0,circle=0;
setcolor(11);
outtextxy(130,150,"***** The FIFO Method of Memory Distribute *****");
line(15,180,625,180);
line(15,340,625,340);
setcolor(13);
for (circle=0;circle<50;circle++)
{
Graph.NewRectangle(number,110+circle*10,230,circle*10+120,240);
number=number+1;
}
for (circle=0;circle<50;circle++)
{
Graph.NewRectangle(number,110+circle*10,300,circle*10+120,310);
number=number+1;
}
setcolor(14);
outtextxy(20,210,"Main Memory");
outtextxy(20,280,"Hard Disk");
}
int Returncolor(int number)
{
if (number==1) return 12;
if (number==2) return 9;
if (number==4) return 10;
if (number==8) return 14;
else return 0;
}
void Allocation(void)
{
PCB NewNode;
int color,circle;
NewNode.SetSizeTs();
if(HARDDISK[CurrentEIDD].GetSize()==0
&&CurrentMMp+NewNode.GetSize()<=SIZE)
{
NewNode.SetID(CurrentMIDM);
NewNode.SetMFlag();
color=Returncolor(NewNode.GetSize());
for (circle=CurrentMMp;circle<CurrentMMp+NewNode.GetSize();circle++)
{
Graph.GetRectangle(circle)->Fill(color);
Screen[circle]=color;
}
MEMORY[CurrentMIDM]=NewNode;
CurrentMIDM=CurrentMIDM+1;
CurrentMMp=CurrentMMp+NewNode.GetSize();
LeftSpace=LeftSpace-NewNode.GetSize();
}
else
{
NewNode.SetID(CurrentMIDD);
NewNode.SetDFlag();
color=Returncolor(NewNode.GetSize());
for (circle=CurrentMDp;circle<CurrentMDp+NewNode.GetSize();circle++)
{
Graph.GetRectangle(circle+SIZE)->Fill(color);
Screen[circle+SIZE]=color;
}
HARDDISK[CurrentMIDD]=NewNode;
CurrentMIDD=CurrentMIDD+1;
CurrentMDp=CurrentMDp+NewNode.GetSize();
LeftD=LeftD-NewNode.GetSize();
}
}
void Running(void)
{
int circle=0;
PCB TempNode;
TempNode=MEMORY[CurrentEIDM];
if(LeftSpace<50)
{
for (circle=0;circle<TempNode.GetSize();circle++)
{
delay(MAX);
Screen[circle]=0;
}
if (HARDDISK[CurrentEIDD].GetSize()==0)
{
CurrentMMp=CurrentMMp-TempNode.GetSize();
LeftSpace=LeftSpace+TempNode.GetSize();
Compact(1);
}
else Compact(2);
CurrentEIDM=CurrentEIDM+1;
}
}
void Compact(int number)
{
int i=0,circle=0,TempID,j;
if (number==1)
{
while ((Screen[i]==0) && (i<SIZE)) i=i+1;
if (i>0)
{
for (circle=0;circle<MAX-i;circle++)
Screen[circle]=Screen[circle+i];
for (circle=MAX-i;circle<MAX;circle++) Screen[circle]=0;
for (circle=0;circle<MAX;circle++)
Graph.GetRectangle(circle)->Fill(Screen[circle]);
}
}
if (number==2)
{
while ((Screen[i]==0) && (i<SIZE)) i=i+1;
if (i>0)
{
for (circle=0;circle<SIZE-i;circle++)
Screen[circle]=Screen[circle+i];
for (circle=SIZE-i;circle<SIZE;circle++) Screen[circle]=0;
CurrentMMp=CurrentMMp-i;
LeftSpace+=i;
TempID=CurrentEIDD;
while(HARDDISK[TempID].GetSize()<=LeftSpace&&CurrentMDp!=0)
{
for (circle=SIZE;circle<SIZE+HARDDISK[TempID].GetSize();
circle++) Screen[circle]=0;
CurrentMDp=CurrentMDp-HARDDISK[TempID].GetSize();
for (circle=SIZE-LeftSpace;circle<
SIZE-LeftSpace+HARDDISK[TempID].GetSize();circle++)
Screen[circle]=Returncolor(HARDDISK[TempID].GetSize());
CurrentMMp=CurrentMMp+HARDDISK[TempID].GetSize();
MEMORY[CurrentMIDM]=HARDDISK[TempID];
CurrentMIDM++;
LeftSpace=LeftSpace-HARDDISK[TempID].GetSize();
for (circle=SIZE;circle<SIZE+CurrentMDp;circle++)
Screen[circle]=
Screen[circle+HARDDISK[CurrentEIDD].GetSize()];
for (circle=SIZE+CurrentMDp;circle<MAX;circle++)
Screen[circle]=0;
for (circle=0;circle<MAX;circle++)
Graph.GetRectangle(circle)->Fill(Screen[circle]);
LeftD=LeftD+HARDDISK[TempID].GetSize();
CurrentEIDD++;
TempID++;
}
}
}
}
void Version()
{
setcolor(14);
outtextxy(150,420," DESIGNED By NEWTRUMP 2001.01.01 ");
outtextxy(150,440," Version 2.0 ");
}?? 快捷鍵說(shuō)明
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