public void Calculate(int[,] processData)
{
ProcessData processdata = new ProcessData();
string type = "duration";
string gantt;
int tempDuration;
int[] durationTimeTable = new int[processesCount];
int[] waitTimeTable = new int[processesCount];
int[] serviceTimeTable = new int[processesCount];
int[,] sortedProcessData = processdata.SortBy(processData, type);
int time = 0;
int status = 0;
double avgWaitTime = 0;
double avgTurnAroundTime = 0;
Console.Write("|");
gantt = "|";
for (int i = 0; i < processesCount; i++)
{
waitTimeTable[i] = 0;
durationTimeTable[i] = sortedProcessData[i, 2];
}
for (int n = 0; n < processesCount; n++)
{
for (int i = 0; i < processesCount; i++)
{
if (durationTimeTable[i] != 0 && sortedProcessData[i, 1] <= time)
{
tempDuration = durationTimeTable[i];
serviceTimeTable[i] = time;
for (int j = 0; j < tempDuration; j++)
{
time++;
durationTimeTable[i] = durationTimeTable[i] - 1;
Console.Write(sortedProcessData[i, 0] + "|");
gantt += sortedProcessData[i, 0] + "|";
status = 1;
}
break;
}
}
if (status == 1)
{
status = 0;
}
else
{
status = 0;
time++;
Console.Write(" |");
gantt += " |";
n--;
}
}
processdata.DisplayData(waitTimeTable, serviceTimeTable, sortedProcessData, avgWaitTime, avgTurnAroundTime, time, processesCount, "Shortest Job First", gantt);
}
public void Calculate(int[,] processData)
{
ProcessData processdata = new ProcessData();
string type = "arrival";
string gantt;
int[,] sortedProcessData = processdata.SortBy(processData, type);
int[] durationTimeTable = new int[processesCount];
int[] waitTimeTable = new int[processesCount];
int[] serviceTimeTable = new int[processesCount];
int time = 0;
Console.Write("|");
gantt = "|";
for (int i = 0; i < processesCount; i++)
{
waitTimeTable[i] = 0;
durationTimeTable[i] = sortedProcessData[i, 2];
}
for (int i = 0; i < processesCount; i++)
{
if (sortedProcessData[i, 1] <= time)
{
serviceTimeTable[i] = time;
do
{
Console.Write(sortedProcessData[i, 0] + "|");
gantt += sortedProcessData[i, 0] + "|";
durationTimeTable[i]--;
time++;
} while (durationTimeTable[i] > 0);
}
else
{
Console.Write(" |");
gantt += " |";
time++;
i--;
}
}
double avgWaitTime = 0;
double avgTurnAroundTime = 0;
processdata.DisplayData(waitTimeTable, serviceTimeTable, sortedProcessData, avgWaitTime, avgTurnAroundTime, time, processesCount, "First Come First Serve", gantt);
}
public void Calculate(int[,] processData)
{
ProcessData processdata = new ProcessData();
int quantum = processdata.AskQuantum();
int time = 0;
string gantt;
int counter = 0;
int totalTime = 0;
int runs = 0;
int[,] sortedProcessData = processdata.SortBy(processData, "pid");
int[] durationTimeTable = new int[processesCount];
int[] waitTimeTable = new int[processesCount];
int[] serviceTimeTable = new int[processesCount];
int[] finishTimeTable = new int[processesCount];
double avgWaitTime = 0;
double avgTurnAroundTime = 0;
Console.Write("|");
gantt = "|";
for (int i = 0; i < processesCount; i++)
{
totalTime = totalTime + sortedProcessData[i, 2];
durationTimeTable[i] = sortedProcessData[i, 2];
waitTimeTable[i] = 0;
}
int temp;
int[] firtsDigit = new int[totalTime];
for (int n = 0; n < processesCount; n++)
{
for (int i = 0; i < processesCount; i++)
{
if (sortedProcessData[i, 1] < time + 1 && durationTimeTable[i] > 0)
{
counter = 0;
if (serviceTimeTable[i] == 0 && runs < processesCount)
{
serviceTimeTable[i] = time;
}
do
{
Console.Write(sortedProcessData[i, 0] + "|");
gantt += sortedProcessData[i, 0] + "|";
for (int j = 0; j < processesCount; j++)
{
if (sortedProcessData[j, 1] < time + 1 && sortedProcessData[i, 0] != sortedProcessData[j, 0])
{
waitTimeTable[j] = waitTimeTable[j] + 1;
}
}
durationTimeTable[i]--;
time++;
counter++;
if (durationTimeTable[i] <= 0)
{
break;
}
} while (quantum > counter);
finishTimeTable[i] = time;
}
runs++;
}
if (sortedProcessData[n, 1] > time && durationTimeTable[n] >= 0)
{
time++;
Console.Write(" |");
gantt += " |";
n--;
}
}
processdata.DisplayData(waitTimeTable, serviceTimeTable, sortedProcessData, firtsDigit, finishTimeTable, avgWaitTime, avgTurnAroundTime, time, processesCount, "Round Robin", gantt, quantum);
}
public static void Main()
{
ProcessData processdata = new ProcessData();
int[,] processData = new int[, ] {
};
Console.WriteLine("Select data input type: ");
Console.WriteLine("1. Input from file");
Console.WriteLine("2. Input from keyboard");
switch (Console.ReadLine())
{
case "1":
string filePath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location) + "/process.txt";
Console.WriteLine(
"If you want to select different path, input the file localisation now (actual path: " +
filePath + " )");
string userInput = Console.ReadLine();
if (!(userInput == ""))
{
filePath = userInput;
}
processData = processdata.ReadFromFile(filePath);
break;
case "2":
processData = processdata.OpenPool();
break;
default:
Console.WriteLine("Wrong choose, use only digits 1 or 2 .");
Environment.Exit(2);
break;
}
int processesCount = processData.GetLength(0) - 1;
string[] columnNames = { "PID", "Arrival", "Duration", "Priority" };
Console.WriteLine("Loaded data:");
Console.WriteLine("");
for (int i = 0; i < columnNames.Length; i++)
{
Console.Write(columnNames[i] + " ");
}
Console.WriteLine("");
for (int i = 0; i < processesCount; i++)
{
for (int j = 0; j < 4; j++)
{
Console.Write(processData[i, j] + "\t");
}
Console.WriteLine(" ");
}
while (true)
{
Console.WriteLine("");
Console.WriteLine("Please choose algorithm:");
Console.WriteLine("1. FCFS");
Console.WriteLine("2. SJF");
Console.WriteLine("3. Round Robin");
Console.WriteLine("4. Priority Scheduling with aging");
Console.WriteLine("0. Exit");
switch (Console.ReadLine())
{
case "0":
Environment.Exit(0);
break;
case "1":
Console.WriteLine("Choosed FCFS");
Console.WriteLine(" ");
Fcfs fcfs = new Fcfs(processesCount);
fcfs.Calculate(processData);
break;
case "2":
Console.WriteLine("Choosed SJF");
Console.WriteLine(" ");
Sjf sjf = new Sjf(processesCount);
sjf.Calculate(processData);
break;
case "3":
Console.WriteLine("Choosed RR");
Console.WriteLine(" ");
Rr rr = new Rr(processesCount);
rr.Calculate(processData);
break;
case "4":
Console.WriteLine("Choosed Priority Scheduling with aging");
Console.WriteLine(" ");
Ps ps = new Ps(processesCount);
ps.Calculate(processData);
break;
default:
Console.WriteLine("Wrong choice");
break;
}
}
}
