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Form1.cs
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Form1.cs
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Windows.Forms.DataVisualization.Charting;
using System.Threading;
namespace OperatingSystems_Scheduler
{
public partial class CPU_Scheduler : Form
{
int numberOfProcesses;
string type;
double q;
Button btn_st;
TextBox quantum;
TextBox interrupt;
TextBox[] names;
TextBox[] arrivals;
TextBox[] bursts;
TextBox[] priorities;
TextBox newname;
TextBox newburst;
TextBox newpriority;
Chart timeline;
int counter;
Label waiting;
Scheduler cpu = new Scheduler();
Stack<Control> objects = new Stack<Control>();
Scheduler newProcesses = new Scheduler();
public CPU_Scheduler()
{
InitializeComponent();
txt_num.Text = "4";
cmb_select.SelectedIndex = 0;
timeline = new Chart();
waiting = new Label();
}
private void button1_Click(object sender, EventArgs e)
{
try
{
numberOfProcesses = Int32.Parse(txt_num.Text);
if (numberOfProcesses <= 0)
throw new System.Exception("Number of Processes must be positive integer");
type = cmb_select.SelectedItem.ToString();
names = new TextBox[numberOfProcesses];
arrivals = new TextBox[numberOfProcesses];
bursts = new TextBox[numberOfProcesses];
priorities = new TextBox[numberOfProcesses];
quantum = new TextBox();
interrupt = new TextBox();
TextBox newname = new TextBox();
TextBox newburst = new TextBox();
TextBox newpriority = new TextBox();
AddNewProcess(numberOfProcesses, type);
btn_OK.Enabled = false;
}
catch (Exception ex)
{
if (ex is Exception)
{
string message = "Invalid Input Data \nPlease select a Scheduler and Enter a positive Integer";
string title = "ERROR";
// Show message box
MessageBox.Show(ex.Message + message, title);
}
}
}
void AddNewProcess(int n, string t)
{
if (n <= 0) throw new System.Exception("Number of Processes must be Positive integer");
if (t == "First Come First Served" || t == "Shortest Job first (P)" || t == "Shortest Job first (NP)" || t == "Priority (P)" || t == "Priority (NP)" || t == "Round Robin")
{
System.Windows.Forms.Label l1 = new System.Windows.Forms.Label();
this.Controls.Add(l1);
l1.Top = 80;
l1.Left = 10;
l1.Text = "Name ";
System.Windows.Forms.Label l2 = new System.Windows.Forms.Label();
this.Controls.Add(l2);
l2.Top = 80;
l2.Left = 160;
l2.Text = "Arrival Time";
System.Windows.Forms.Label l3 = new System.Windows.Forms.Label();
this.Controls.Add(l3);
l3.Top = 80;
l3.Left = 310;
l3.Text = "Burst Time";
if (t == "Priority (P)" || t == "Priority (NP)")
{
System.Windows.Forms.Label l4 = new System.Windows.Forms.Label();
this.Controls.Add(l4);
l4.Top = 80;
l4.Left = 460;
l4.Text = "Priority";
}
for (int i = 0; i < n; i++)
{
System.Windows.Forms.TextBox txt1 = new System.Windows.Forms.TextBox();
names[i] = txt1;
this.Controls.Add(txt1);
txt1.Top = (i * 30) + 105;
txt1.Left = 10;
txt1.Text = "P" + (i).ToString();
System.Windows.Forms.TextBox txt2 = new System.Windows.Forms.TextBox();
arrivals[i] = txt2;
this.Controls.Add(txt2);
txt2.Top = (i * 30) + 105;
txt2.Left = 160;
txt2.Text = (i + 1).ToString();
System.Windows.Forms.TextBox txt3 = new System.Windows.Forms.TextBox();
bursts[i] = txt3;
this.Controls.Add(txt3);
txt3.Top = (i * 30) + 105;
txt3.Left = 310;
txt3.Text = (i + 1).ToString();
if (t == "Priority (P)" || t == "Priority (NP)")
{
System.Windows.Forms.TextBox txt4 = new System.Windows.Forms.TextBox();
priorities[i] = txt4;
this.Controls.Add(txt4);
txt4.Top = (i * 30) + 105;
txt4.Left = 460;
txt4.Text = (i + 1).ToString();
}
}
if (t == "Round Robin")
{
System.Windows.Forms.Label l5 = new System.Windows.Forms.Label();
this.Controls.Add(l5);
l5.Top = 80;
l5.Left = 460;
l5.Text = "Quantum Time ";
System.Windows.Forms.TextBox txt5 = new System.Windows.Forms.TextBox();
quantum = txt5;
this.Controls.Add(txt5);
txt5.Top = 105;
txt5.Left = 460;
txt5.Text = "1";
}
System.Windows.Forms.Button btn = new System.Windows.Forms.Button();
btn.Name = "btn_start";
btn.Font = new System.Drawing.Font("Century", 15, System.Drawing.FontStyle.Regular);
btn.ForeColor = System.Drawing.Color.Maroon;
this.Controls.Add(btn);
btn.Top = (numberOfProcesses * 30) + 120;
btn.Left = 10;
btn.Size = new System.Drawing.Size(400, 30);
btn.Text = "START";
btn_st = btn;
btn.Click += new EventHandler(Button_Click_st);
System.Windows.Forms.Button btn3 = new System.Windows.Forms.Button();
btn3.Font = new System.Drawing.Font("Century", 12, System.Drawing.FontStyle.Regular);
btn3.ForeColor = System.Drawing.Color.Maroon;
this.Controls.Add(btn3);
btn3.Top = (numberOfProcesses * 30) + 120;
btn3.Left = 440;
btn3.Size = new System.Drawing.Size(150, 30);
btn3.Text = "INTERRUPT";
btn3.Click += new EventHandler(Button_Click_add);
System.Windows.Forms.Button b2 = new System.Windows.Forms.Button();
b2.Font = new System.Drawing.Font("Century", 12, System.Drawing.FontStyle.Regular);
b2.ForeColor = System.Drawing.Color.Maroon;
b2.Size = new System.Drawing.Size(150, 30);
this.Controls.Add(b2);
b2.Top = (numberOfProcesses * 30) + 120;
b2.Left = 620;
b2.Text = "UNDO Interrupt";
b2.Click += new EventHandler(Button_Click_con);
/* System.Windows.Forms.Button howtouseInt = new System.Windows.Forms.Button();
howtouseInt.Font = new System.Drawing.Font("Century", 10, System.Drawing.FontStyle.Regular);
howtouseInt.ForeColor = System.Drawing.Color.Maroon;
howtouseInt.Size = new System.Drawing.Size(100, 30);
this.Controls.Add(howtouseInt);
howtouseInt.Top = (numberOfProcesses * 30) + 120;
howtouseInt.Left = 690;
howtouseInt.Text = "How to Use";
howtouseInt.Click += new EventHandler(Button_Click_howtouse);*/
}
else throw new System.Exception("Type of Scheduler is invalid");
}
private void Button_Click_st(object sender, EventArgs e)
{
try
{
if (type == "Round Robin")
{
q = Convert.ToDouble(quantum.Text);
if (q <= 0)
throw new System.Exception("Quantum must be positive integer");
}
fillScheduler();
scheduleCPU();
btn_st.Enabled = false;
/*System.Windows.Forms.Button btn3 = new System.Windows.Forms.Button();
btn3.Font = new System.Drawing.Font("Century", 12, System.Drawing.FontStyle.Regular);
btn3.ForeColor = System.Drawing.Color.Maroon;
this.Controls.Add(btn3);
btn3.Top = (numberOfProcesses * 30) + 120;
btn3.Left = 620;
btn3.Size = new System.Drawing.Size(130, 30);
btn3.Text = "INTERRUPT";
btn3.Click += new EventHandler(Button_Click_add);
System.Windows.Forms.Button b2 = new System.Windows.Forms.Button();
b2.Font = new System.Drawing.Font("Century", 12, System.Drawing.FontStyle.Regular);
b2.ForeColor = System.Drawing.Color.Maroon;
b2.Size = new System.Drawing.Size(160, 30);
this.Controls.Add(b2);
b2.Top = (numberOfProcesses * 30) + 120;
b2.Left = 440;
b2.Text = "UNDO Interrupt";
b2.Click += new EventHandler(Button_Click_con);*/
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
void FCFS(Scheduler s)
{
createWaiting();
createTimeline();
Scheduler temp = new Scheduler();
temp = s.sort("arrival");
node p = temp.getProcesses().getChain();
double i = p.getData().getArrival();
int counter = 0;
double average = 0;
double increment = p.getData().getArrival(), AvgTime = 0, TurnAround = 0;
Series idle = new Series();
createSeries(idle, i);
while (p != null)
{
Series barSeries = new Series();
barSeries.ChartType = SeriesChartType.StackedBar;
barSeries.XValueType = ChartValueType.String;
barSeries.Points.AddXY("timeline", p.getData().getDuration());
barSeries.Label = p.getData().getName();
timeline.Series.Add(barSeries);
increment += p.getData().getDuration();
average = average + i - p.getData().getArrival();
i = i + p.getData().getDuration();
TurnAround += (increment - p.getData().getArrival());
if (i < numberOfProcesses - 1)
AvgTime += (increment - p.getNext().getData().getArrival());
counter++;
p = p.getNext();
}
waiting.Top = (numberOfProcesses * 30) + 165;
waiting.Left = 10;
waiting.Size = new System.Drawing.Size(500, 50);
waiting.Text = "Average Waiting Time = " + average.ToString() + " / " + counter.ToString() + " = " + (average / counter).ToString();
waiting.Text += "\nAverage TurnAround Time = " + TurnAround.ToString() + " / " + counter.ToString() + " = " + (TurnAround / counter).ToString();
cpu.clear();
}
void SJF_NPrem(Scheduler s)
{
createWaiting();
createTimeline();
Scheduler temp = new Scheduler();
temp = s.sort("arrival");
double first = temp.getProcesses().getChain().getData().getArrival();
double i = temp.getProcesses().getChain().getData().getArrival();
int counter = 0;
double average = 0;
int flag = 0;
Series idle = new Series();
createSeries(idle, i);
double bursttimes = 0;
node pro = temp.getProcesses().getChain();
while (pro != null)
{
bursttimes += pro.getData().getDuration();
pro = pro.getNext();
}
while (temp.getProcesses().getChain() != null)
{
Scheduler temp2 = new Scheduler();
while (temp.getProcesses().getChain() != null && temp.getProcesses().getChain().getData().getArrival() <= first)
{
temp2.add(temp.getProcesses().getChain().getData());
temp.remove(temp.getProcesses().getChain().getData().getName());
}
temp2 = temp2.sort("duration");
node p2 = temp2.getProcesses().getChain();
while (p2 != null)
{
Series barSeries = new Series();
barSeries.ChartType = SeriesChartType.StackedBar;
barSeries.XValueType = ChartValueType.String;
barSeries.Points.AddXY("timeline", p2.getData().getDuration());
barSeries.Label = p2.getData().getName();
timeline.Series.Add(barSeries);
average = average + i - p2.getData().getArrival();
i = i + p2.getData().getDuration();
counter++;
if (temp.getProcesses().getChain() != null)
{
temp2.remove(p2.getData().getName());
flag = 1;
p2 = p2.getNext();
break;
}
p2 = p2.getNext();
}
first = i;
if (flag == 1)
{
while (p2 != null)
{
temp.add(p2.getData());
p2 = p2.getNext();
}
flag = 0;
}
temp2.clear();
}
waiting.Top = (numberOfProcesses * 30) + 165;
waiting.Left = 10;
waiting.Size = new System.Drawing.Size(500, 50);
waiting.Text = "Average Waiting Time = " + average.ToString() + " / " + counter.ToString() + " = " + (average / counter).ToString();
waiting.Text += "\nAverage TurnAround Time = " + (average + bursttimes).ToString() + " / " + counter.ToString() + " = " + ((average + bursttimes) / counter).ToString();
temp.clear();
cpu.clear();
}
void Priority_NPrem(Scheduler s)
{
createWaiting();
createTimeline();
Scheduler temp = new Scheduler();
temp = s.sort("arrival");
double first = temp.getProcesses().getChain().getData().getArrival();
double i = temp.getProcesses().getChain().getData().getArrival();
int counter = 0;
double average = 0;
Series idle = new Series();
createSeries(idle, i);
double bursttimes = 0;
int flag = 0;
node pro = temp.getProcesses().getChain();
while (pro != null)
{
bursttimes += pro.getData().getDuration();
pro = pro.getNext();
}
while (temp.getProcesses().getChain() != null)
{
Scheduler temp2 = new Scheduler();
while (temp.getProcesses().getChain() != null && temp.getProcesses().getChain().getData().getArrival() <= first)
{
temp2.add(temp.getProcesses().getChain().getData());
temp.remove(temp.getProcesses().getChain().getData().getName());
}
temp2 = temp2.sort("priority");
node p3 = temp2.getProcesses().getChain();
while (p3 != null)
{
Console.Write(p3.getData().getName() + "has piority" + p3.getData().getPriority() + "\n");
p3 = p3.getNext();
}
Console.Write("first is" + first + "\n");
Console.Write("***************\n");
node p2 = temp2.getProcesses().getChain();
while (p2 != null)
{
Series barSeries = new Series();
barSeries.ChartType = SeriesChartType.StackedBar;
barSeries.XValueType = ChartValueType.String;
barSeries.Points.AddXY("timeline", p2.getData().getDuration());
barSeries.Label = p2.getData().getName();
timeline.Series.Add(barSeries);
average = average + i - p2.getData().getArrival();
i = i + p2.getData().getDuration();
counter++;
if (temp.getProcesses().getChain() != null)
{
temp2.remove(p2.getData().getName());
flag = 1;
p2 = p2.getNext();
break;
}
p2 = p2.getNext();
}
first = i;
if (flag == 1)
{
while (p2 != null)
{
temp.add(p2.getData());
p2 = p2.getNext();
}
flag = 0;
}
temp2.clear();
}
waiting.Top = (numberOfProcesses * 30) + 165;
waiting.Left = 10;
waiting.Size = new System.Drawing.Size(500, 50);
waiting.Text = "Average Waiting Time = " + average.ToString() + " / " + counter.ToString() + " = " + (average / counter).ToString();
waiting.Text += "\nAverage TurnAround Time = " + (average + bursttimes).ToString() + " / " + counter.ToString() + " = " + ((average + bursttimes) / counter).ToString();
temp.clear();
cpu.clear();
}
void SJF_Prem(Scheduler s)
{
createWaiting();
createTimeline();
Scheduler temp = new Scheduler();
temp = s.sort("arrival");
double i = temp.getProcesses().getChain().getData().getArrival();
int counter = 0;
int flag = 0;
double average = 0;
double working = 0;
Series idle = new Series();
createSeries(idle, i);
List<Process> pro = new List<Process>();
List<Process> departure = new List<Process>();
List<double> depart = new List<double>();
Dictionary<string, int> flags = new Dictionary<string, int>();
node pp = temp.getProcesses().getChain();
double bursttimes = 0;
while (pp != null)
{
Process t = pp.getData();
pro.Add(t);
bursttimes += t.getDuration();
pp = pp.getNext();
}
for (var k = 0; k < pro.Count(); k++)
{
flags.Add(pro[k].getName(), 0);
}
while (pro.Count() != 0)
{
Scheduler temp2 = new Scheduler();
node p1 = temp.getProcesses().getChain();
List<Process> pro2 = new List<Process>();
double first = temp.getProcesses().getChain().getData().getArrival();
double first2 = pro[0].getArrival();
for (var j = 0; j < pro.Count(); j++)
{
if (pro[j].getArrival() <= i)
{
pro2.Add(pro[j]);
pro.Remove(pro[j]);
j--;
}
}
Console.Write("before\n");
for (var k = 0; k < pro2.Count(); k++)
{
Console.Write(pro2[k].getName() + " Duaration=" + pro2[k].getDuration() + "\n");
}
Console.Write("*************\n");
for (var k = 0; k < pro2.Count() - 1; k++)
{
for (var j = 0; j < pro2.Count() - 1 - k; j++)
{
if (pro2[j].getDuration() > pro2[j + 1].getDuration() || (pro2[j].getDuration() == pro2[j + 1].getDuration() && pro2[j].getArrival() > pro2[j + 1].getArrival()))
{
Process tmp = pro2[j];
pro2[j] = pro2[j + 1];
pro2[j + 1] = tmp;
}
}
}
Console.Write("after\n");
for (var k = 0; k < pro2.Count(); k++)
{
Console.Write(pro2[k].getName() + " Duaration=" + pro2[k].getDuration() + "\n");
}
Console.Write("*************\n");
for (var k = 0; k < pro2.Count(); k++)
{
if (pro.Count() != 0 && pro2[k].getDuration() + pro2[k].getArrival() > pro[0].getArrival()
&& true)
{
flags[pro2[k].getName()] = 1;
Series barSeries = new Series();
barSeries.ChartType = SeriesChartType.StackedBar;
barSeries.XValueType = ChartValueType.String;
if (pro[0].getArrival() - pro2[k].getArrival() < pro2[k].getDuration()) { barSeries.Points.AddXY("timeline", pro[0].getArrival() - pro2[k].getArrival()); }
else { barSeries.Points.AddXY("timeline", pro2[k].getDuration()); }
barSeries.Color = pro2[k].getColor();
barSeries.Label = pro2[k].getName();
timeline.Series.Add(barSeries);
double dur = pro2[k].getDuration();
if (pro[0].getArrival() - pro2[k].getArrival() < pro2[k].getDuration())
{
pro2[k].setDuration(pro2[k].getDuration() + pro2[k].getArrival() - pro[0].getArrival());
}
else
{
pro2[k].setDuration(pro2[k].getDuration() - pro2[k].getDuration());
}
pro.Add(pro2[k]);
if (pro[0].getArrival() - pro2[k].getArrival() < pro2[k].getDuration())
{
i = pro[0].getArrival();
working = working + pro[0].getArrival() - pro2[k].getArrival();
depart.Add(i);
departure.Add(pro2[k]);
}
else
{
working = working + pro2[k].getDuration();
i = i + pro2[k].getDuration();
depart.Add(i);
departure.Add(pro2[k]);
}
flag = 1;
break;
}
else
{
Series barSeries = new Series();
barSeries.ChartType = SeriesChartType.StackedBar;
barSeries.XValueType = ChartValueType.String;
barSeries.Points.AddXY("timeline", pro2[k].getDuration());
barSeries.Color = pro2[k].getColor();
barSeries.Label = pro2[k].getName();
timeline.Series.Add(barSeries);
average = average + i - pro2[k].getArrival();
i = i + pro2[k].getDuration();
depart.Add(i);
departure.Add(pro2[k]);
counter++;
flag = 1;
break;
}
}
if (pro2.Count() > 1 && flag == 1)
{
for (var l = 1; l < pro2.Count(); l++)
{
if (pro2[l].getDuration() > 0)
pro.Add(pro2[l]);
}
flag = 0;
}
pro2.Clear();
}
waiting.Top = (numberOfProcesses * 30) + 165;
waiting.Left = 10;
waiting.Size = new System.Drawing.Size(500, 50);
waiting.Text = "Average Waiting Time = " + (average - working).ToString() + " / " + counter.ToString() + " = " + ((average - working) / counter).ToString();
waiting.Text += "\nAverage TurnAround Time = " + (average - working + bursttimes).ToString() + " / " + counter.ToString() + " = " + ((average - working + bursttimes) / counter).ToString();
temp.clear();
cpu.clear();
}
void Priority_Prem(Scheduler s)
{
createWaiting();
createTimeline();
Scheduler temp = new Scheduler();
temp = s.sort("arrival");
double i = temp.getProcesses().getChain().getData().getArrival();
int counter = 0;
int flag = 0;
double average = 0;
double working = 0;
Series idle = new Series();
createSeries(idle, i);
List<Process> pro = new List<Process>();
List<Process> departure = new List<Process>();
List<double> depart = new List<double>();
Dictionary<string, int> flags = new Dictionary<string, int>();
node pp = temp.getProcesses().getChain();
double bursttimes = 0;
while (pp != null)
{
Process t = pp.getData();
pro.Add(t);
pp = pp.getNext();
bursttimes += t.getDuration();
}
for (var k = 0; k < pro.Count(); k++)
{
flags.Add(pro[k].getName(), 0);
}
while (pro.Count() != 0)
{
Scheduler temp2 = new Scheduler();
node p1 = temp.getProcesses().getChain();
List<Process> pro2 = new List<Process>();
double first = temp.getProcesses().getChain().getData().getArrival();
double first2 = pro[0].getArrival();
for (var j = 0; j < pro.Count(); j++)
{
if (pro[j].getArrival() <= i)
{
pro2.Add(pro[j]);
pro.Remove(pro[j]);
j--;
}
}
for (var k = 0; k < pro2.Count() - 1; k++)
{
for (var j = 0; j < pro2.Count() - 1 - k; j++)
{
if (pro2[j].getPriority() > pro2[j + 1].getPriority() || (pro2[j].getPriority() == pro2[j + 1].getPriority() && pro2[j].getArrival() > pro2[j + 1].getArrival()))
{
Process tmp = pro2[j];
pro2[j] = pro2[j + 1];
pro2[j + 1] = tmp;
}
}
}
for (var k = 0; k < pro2.Count(); k++)
{
if (pro.Count() != 0 && pro2[k].getDuration() + pro2[k].getArrival() > i
&& true)
{
flags[pro2[k].getName()] = 1;
Series barSeries = new Series();
barSeries.ChartType = SeriesChartType.StackedBar;
barSeries.XValueType = ChartValueType.String;
if (pro[0].getArrival() - pro2[k].getArrival() < pro2[k].getDuration()) { barSeries.Points.AddXY("timeline", pro[0].getArrival() - pro2[k].getArrival()); }
else { barSeries.Points.AddXY("timeline", pro2[k].getDuration()); }
barSeries.Color = pro2[k].getColor();
barSeries.Label = pro2[k].getName();
timeline.Series.Add(barSeries);
double dur = pro2[k].getDuration();
if (pro[0].getArrival() - pro2[k].getArrival() < pro2[k].getDuration())
{
pro2[k].setDuration(pro2[k].getDuration() + pro2[k].getArrival() - pro[0].getArrival());
}
else
{
pro2[k].setDuration(pro2[k].getDuration() - pro2[k].getDuration());
}
pro.Add(pro2[k]);
if (pro[0].getArrival() - pro2[k].getArrival() < pro2[k].getDuration())
{
i = pro[0].getArrival();
working = working + pro[0].getArrival() - pro2[k].getArrival();
depart.Add(i);
departure.Add(pro2[k]);
}
else
{
working = working + pro2[k].getDuration();
i = i + pro2[k].getDuration();
depart.Add(i);
departure.Add(pro2[k]);
}
flag = 1;
break;
}
else
{
Series barSeries = new Series();
barSeries.ChartType = SeriesChartType.StackedBar;
barSeries.XValueType = ChartValueType.String;
barSeries.Points.AddXY("timeline", pro2[k].getDuration());
barSeries.Color = pro2[k].getColor();
barSeries.Label = pro2[k].getName();
timeline.Series.Add(barSeries);
average = average + i - pro2[k].getArrival();
i = i + pro2[k].getDuration();
depart.Add(i);
departure.Add(pro2[k]);
counter++;
flag = 1;
break;
}
}
if (pro2.Count() > 1 && flag == 1)
{
for (var l = 1; l < pro2.Count(); l++)
{
if (pro2[l].getDuration() > 0)
pro.Add(pro2[l]);
}
flag = 0;
}
pro2.Clear();
}
waiting.Top = (numberOfProcesses * 30) + 165;
waiting.Left = 10;
waiting.Size = new System.Drawing.Size(500, 50);
waiting.Text = "Average Waiting Time = " + (average - working).ToString() + " / " + counter.ToString() + " = " + ((average - working) / counter).ToString();
waiting.Text += "\nAverage TurnAround Time = " + (average - working + bursttimes).ToString() + " / " + counter.ToString() + " = " + ((average - working + bursttimes) / counter).ToString();
temp.clear();
cpu.clear();
}
void RoundRobin(Scheduler s, double q)
{
createWaiting();
createTimeline();
Scheduler temp = new Scheduler();
temp = s.sort("arrival");
node p = temp.getProcesses().getChain();
double first = p.getData().getArrival();
double i = p.getData().getArrival();
double j = 0;
int counter = 0;
double average = 0;
double working = 0;
double arrival = 0;
Series idle = new Series();
createSeries(idle, i);
node p1 = temp.getProcesses().getChain();
List<Process> pro = new List<Process>();
Dictionary<string, int> flags = new Dictionary<string, int>();
double bursts = 0;
while (p1 != null)
{
Process t = p1.getData();
pro.Add(t);
arrival = arrival + p1.getData().getArrival();
bursts += p1.getData().getDuration();
p1 = p1.getNext();
}
for (var k = 0; k < pro.Count(); k++)
{
flags.Add(pro[k].getName(), 0);
}
while (pro.Count() != 0)
{
flags[pro[0].getName()] = 1;
j = (pro[0].getDuration() <= q) ? pro[0].getDuration() : q;
Series barSeries = new Series();
barSeries.ChartType = SeriesChartType.StackedBar;
barSeries.XValueType = ChartValueType.String;
barSeries.Points.AddXY("timeline", j);
barSeries.Color = pro[0].getColor();
barSeries.Label = pro[0].getName();
timeline.Series.Add(barSeries);
if (pro[0].getDuration() <= q)
{
average = average + i;
i = i + pro[0].getDuration();
counter++;
}
else
{
i = i + q;
working = working + q;
pro[0].setDuration(pro[0].getDuration() - q);
pro[0].setArrival(i);
pro.Add(pro[0]);
}
pro.Remove(pro[0]);
for (var k = 0; k < pro.Count() - 1; k++)
{
for (var l = 0; l < pro.Count() - 1 - k; l++)
{
if (pro[l].getArrival() > pro[l + 1].getArrival())
{
Process tmp = pro[l];
pro[l] = pro[l + 1];
pro[l + 1] = tmp;
}
/* else if(pro[l].getArrival() <= i && flags[pro[l].getName()] == 0)
{
if((flags[pro[l+1].getName()] == 0&& pro[l].getArrival() > pro[l + 1].getArrival())|| (flags[pro[l + 1].getName()] == 1)) {
Process tmp = pro[l];
pro[l] = pro[l + 1];
pro[l + 1] = tmp;
}
}*/
}
}
List<Process> t = new List<Process>();
int index = 0;
int flag = 0;
for (var k = 0; k < pro.Count(); k++)
{
if (!(pro[k].getArrival() <= i && flags[pro[k].getName()] == 0))
{
t.Add(pro[k]);
pro.Remove(pro[k]);
k--;
index = k;
flag = 1;
}
}
for (var k = 0; k < pro.Count() - 1; k++)
{
for (var l = 0; l < pro.Count() - 1 - k; l++)
{
if (pro[l].getArrival() > pro[l + 1].getArrival())
{
Process tmp = pro[l];
pro[l] = pro[l + 1];
pro[l + 1] = tmp;
}
}
}
pro.AddRange(t);
/* if (flag == 1)
{
for(var k = index; k >= 1; k--)
{
pro[k] = pro[k - 1];
}
pro[0] = t;
}*/
}
waiting.Top = (numberOfProcesses * 30) + 165;
waiting.Left = 10;
waiting.Size = new System.Drawing.Size(500, 50);
waiting.Text = "Average Waiting Time = ( " + (average - arrival).ToString() + " - " + working.ToString() + " ) / " + counter.ToString() + " = " + ((average - arrival - working) / counter).ToString();
waiting.Text += "\nAverage TurnAround Time = " + (average - arrival - working + bursts).ToString() + " / " + counter.ToString() + " = " + ((average - arrival - working + bursts) / counter).ToString();
cpu.clear();
}
private void Button_Click_res(object sender, EventArgs e)
{
this.Controls.Clear();
cpu.clear();
newProcesses.clear();
timeline = new Chart();
waiting = new Label();
this.InitializeComponent();
txt_num.Text = "4";
cmb_select.SelectedIndex = 0;
}
void createTimeline()
{
timeline.Size = new System.Drawing.Size(820, 100);
ChartArea area = new ChartArea(counter.ToString());
counter++;
timeline.ChartAreas.Add(area);
timeline.Top = 220 + (30 * numberOfProcesses);
this.Controls.Add(timeline);
}
void createWaiting()
{
waiting.Font = new System.Drawing.Font("Century", 12, System.Drawing.FontStyle.Regular);
waiting.ForeColor = System.Drawing.Color.Maroon;
waiting.Top = 275 + (30 * numberOfProcesses);
waiting.Size = new System.Drawing.Size(500, 20);
this.Controls.Add(waiting);
}
void createSeries(Series idle, double i)
{
idle.ChartType = SeriesChartType.StackedBar;
idle.XValueType = ChartValueType.String;
idle.Points.AddXY("timeline", i);
idle.Label = "Idle";
idle.Color = System.Drawing.Color.White;
timeline.Series.Add(idle);
}
private void Button_Click_int(object sender, EventArgs e)
{
}
private void Button_Click_add(object sender, EventArgs e)
{
this.Controls.Remove(timeline);
this.Controls.Remove(waiting);
System.Windows.Forms.Label processLabel = new System.Windows.Forms.Label();
this.Controls.Add(processLabel);
objects.Push(processLabel);
processLabel.Top = (numberOfProcesses * 30) + 175;
processLabel.Left = 10;
processLabel.Text = "Process Name";
System.Windows.Forms.TextBox processText = new System.Windows.Forms.TextBox();
this.Controls.Add(processText);
objects.Push(processText);
processText.Top = (numberOfProcesses * 30) + 200;
processText.Left = 10;
processText.Text = "New ";
newname = processText;
System.Windows.Forms.Label arrivalLabel = new System.Windows.Forms.Label();
this.Controls.Add(arrivalLabel);
objects.Push(arrivalLabel);
arrivalLabel.Top = 175 + (30 * numberOfProcesses); //500
arrivalLabel.Left = 160; //100
arrivalLabel.Text = "Arrival Time";
System.Windows.Forms.TextBox t2 = new System.Windows.Forms.TextBox();