private void button1_Click(object sender, EventArgs e)
{
count++;
if (count < numericUpDown1.Value)
{
process p = new process();
p.addProcess(textBox1.Text);
textBox1.Text = "";
p.addArrival(Convert.ToInt32(textBox2.Text));
textBox2.Text = "";
p.addBurst(Convert.ToInt32(textBox3.Text));
textBox3.Text = "";
processes.Add(p);
}
else
{
process p = new process();
p.addProcess(textBox1.Text);
p.addArrival(Convert.ToInt32(textBox2.Text));
p.addBurst(Convert.ToInt32(textBox3.Text));
processes.Add(p);
Form2 f = new Form2();
f.Show();
this.Hide();
count = 0;
}
}
//Time calculations and store the final processes' queue in a new list and linked list
static void arrange(process task, int start, int total)
{
task.completionTime = total - start;
task.turnArroundTime = task.completionTime - task.arrivalTime;
task.waitingTime = task.turnArroundTime - task.burstTime;
queue.Add(task);
if (output.Count == 0)
{
output.AddFirst(task);
index = output.Last;
}
else
{
output.AddLast(task);
index = output.Last;
}
}
//Main function
static void Main(string[] args)
{
Console.Write("Enter number of processes: ");
processesNum = Convert.ToInt32(Console.ReadLine());
Console.WriteLine();
process task = new process();
for (int i = 1; i <= processesNum; i++)
{
task.pID = i;
Console.Write("Enter arrival time of process " + i + ": ");
task.arrivalTime = Convert.ToInt32(Console.ReadLine());
Console.Write("Enter burst time of process " + i + ": ");
task.burstTime = Convert.ToInt32(Console.ReadLine());
processes.Add(task);
Console.WriteLine();
}
//sort the list according to the arrival time
processes.Sort((x, y) => x.arrivalTime - y.arrivalTime);
int start = processes[0].arrivalTime;
int total = 0;
foreach (process i in processes)
{
total += i.burstTime;
arrange(i, start, total);
}
processes.Clear();
float averageWaitingTime = 0;
float averageTurnArround = 0;
//print sorted list elements
Console.WriteLine("\t Arrival time \t Burst time \t completion time \t Turn arround \t waiting time");
int p = 1;
foreach (process k in queue)
{
Console.Write("process {0}: ", p);
Console.WriteLine(k.arrivalTime + "\t\t" + k.burstTime + "\t\t" + k.completionTime + "\t\t\t" + k.turnArroundTime + "\t\t" + k.waitingTime);
averageWaitingTime += k.waitingTime;
averageTurnArround += k.turnArroundTime;
p++;
}
Console.WriteLine();
Console.Write("Sequence: ");
foreach (process i in queue)
{
Console.Write(i.pID + " ");
}
Console.WriteLine("\n");
averageWaitingTime /= processesNum;
averageTurnArround /= processesNum;
Console.WriteLine("Average waiting time = " + averageWaitingTime);
Console.WriteLine("Average turn arround time = " + averageTurnArround);
foreach (process k in output)
{
Console.WriteLine(k.pID + "\t\t" + k.arrivalTime + "\t\t" + k.burstTime + "\t\t" + k.completionTime + "\t\t\t" + k.turnArroundTime + "\t\t" + k.waitingTime);
}
Console.ReadLine();
}
