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Program.cs
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1019 lines (951 loc) · 34 KB
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Globalization;
using System.Threading;
using System.IO;
namespace Scheduling
{
class Program
{
static void Example1(OperatingSystem os)
{
for (int i = 0; i < 3; i++)
{
os.CreateProcess("a.code");
os.CreateProcess("b.code");
}
}
static void YieldExample(OperatingSystem os)
{
os.CreateProcess("e.code");
os.CreateProcess("e_yield.code");
}
static void Example1_1(OperatingSystem os)
{
for (int i = 0; i < 2; i++)
{
os.CreateProcess("a.code");
os.CreateProcess("b.code");
os.CreateProcess("c.code");
os.CreateProcess("d.code");
}
}
static void Example1_1Priority(OperatingSystem os)
{
for (int i = 0; i < 2; i++)
{
os.CreateProcess("a.code", i);
os.CreateProcess("b.code", i);
os.CreateProcess("c.code", i + 1);
os.CreateProcess("d.code", i + 2);
}
}
static void Example2(OperatingSystem os)
{
for (int i = 0; i < 3; i++)
{
os.CreateProcess("ReadFile1.code");
os.CreateProcess("ReadFile2.code");
}
}
static void Example3(OperatingSystem os)
{
for (int i = 0; i < 3; i++)
{
os.CreateProcess("c.code");
os.CreateProcess("d.code");
}
}
static void Example4(OperatingSystem os)
{
for (int i = 0; i < 2; i++)
{
os.CreateProcess("a.code");
os.CreateProcess("b.code");
os.CreateProcess("c.code");
os.CreateProcess("d.code");
os.CreateProcess("ReadFile1.code");
os.CreateProcess("ReadFile2.code");
os.CreateProcess("PrimeNumbers.code");
}
}
static void Example4Priorities(OperatingSystem os)
{
for (int i = 0; i < 2; i++)
{
os.CreateProcess("a.code", i);
os.CreateProcess("b.code", i);
os.CreateProcess("c.code", i);
os.CreateProcess("d.code", i + 1);
os.CreateProcess("ReadFile1.code", i + 1);
os.CreateProcess("ReadFile2.code", i + 2);
os.CreateProcess("PrimeNumbers.code", i + 2);
}
}
static void ContextSwitchTest()
{
Disk disk = new Disk();
CPU cpu = new CPU(disk);
cpu.Debug = false;
OperatingSystem os = new OperatingSystem(cpu, disk, new HighestIndexPolicy());
Example1(os);
os.ActivateScheduler();
cpu.Execute();
// ProcessConsole.CloseAll();
Thread.Sleep(1000);
}
static void TestIdle()
{
Disk disk = new Disk();
CPU cpu = new CPU(disk);
cpu.Debug = false;
OperatingSystem os = new OperatingSystem(cpu, disk, new HighestIndexPolicy());
os.ActivateScheduler();
cpu.Execute();
// ProcessConsole.CloseAll();
Thread.Sleep(1000);
}
static void ContextSwitchTest2()
{
Disk disk = new Disk();
CPU cpu = new CPU(disk);
cpu.Debug = false;
OperatingSystem os = new OperatingSystem(cpu, disk, new HighestIndexPolicy());
Example1_1(os);
os.ActivateScheduler();
cpu.Execute();
cpu.Done = true;
Thread.Sleep(1000);
}
static void InterruptTest()
{
Disk disk = new Disk();
CPU cpu = new CPU(disk);
cpu.Debug = false;
OperatingSystem os = new OperatingSystem(cpu, disk, new HighestIndexPolicy());
Example2(os);
os.ActivateScheduler();
cpu.Execute();
// ProcessConsole.CloseAll();
Thread.Sleep(1000);
}
static void InterruptTest2()
{
Disk disk = new Disk();
CPU cpu = new CPU(disk);
cpu.Debug = false;
OperatingSystem os = new OperatingSystem(cpu, disk, new HighestIndexPolicy());
Example4(os);
os.ActivateScheduler();
cpu.Execute();
cpu.Done = true;
Thread.Sleep(1000);
}
static void YieldTest()
{
Disk disk = new Disk();
CPU cpu = new CPU(disk);
cpu.Debug = false;
OperatingSystem os = new OperatingSystem(cpu, disk, new FirstComeFirstServedPolicy());
Example1(os);
os.ActivateScheduler();
cpu.Execute();
// ProcessConsole.CloseAll();
Thread.Sleep(1000);
}
static void FirstComeFirstServedPolicySimpleWithOutFiles()
{
Disk disk = new Disk();
CPU cpu = new CPU(disk);
cpu.Debug = false;
OperatingSystem os = new OperatingSystem(cpu, disk, new FirstComeFirstServedPolicy());
Example1_1(os);
os.ActivateScheduler();
cpu.Execute();
cpu.Done = true;
Thread.Sleep(1000);
}
static void FirstComeFirstServedPolicySimpleWithFiles()
{
Disk disk = new Disk();
CPU cpu = new CPU(disk);
cpu.Debug = false;
OperatingSystem os = new OperatingSystem(cpu, disk, new FirstComeFirstServedPolicy());
Example4(os);
os.ActivateScheduler();
cpu.Execute();
cpu.Done = true;
Thread.Sleep(1000);
}
static void RoundRobinPolicySimpleWithOutFiles(int x)
{
Disk disk = new Disk();
CPU cpu = new CPU(disk);
cpu.Debug = false;
OperatingSystem os = new OperatingSystem(cpu, disk, new RoundRobin(x));
Example1_1(os);
os.ActivateScheduler();
cpu.Execute();
cpu.Done = true;
Thread.Sleep(1000);
}
static void PriorityPolicySimpleWithOutFiles(int x)
{
Disk disk = new Disk();
CPU cpu = new CPU(disk);
cpu.Debug = false;
OperatingSystem os = new OperatingSystem(cpu, disk, new PrioritizedScheduling(x));
Example1_1Priority(os);
os.ActivateScheduler();
cpu.Execute();
cpu.Done = true;
Thread.Sleep(1000);
}
static void RoundRobinPolicySimpleWithFiles(int x)
{
Disk disk = new Disk();
CPU cpu = new CPU(disk);
cpu.Debug = false;
OperatingSystem os = new OperatingSystem(cpu, disk, new RoundRobin(x));
Example4(os);
os.ActivateScheduler();
cpu.Execute();
cpu.Done = true;
Thread.Sleep(1000);
}
static void PriorityPolicySimpleWithFiles(int x)
{
Disk disk = new Disk();
CPU cpu = new CPU(disk);
cpu.Debug = false;
OperatingSystem os = new OperatingSystem(cpu, disk, new PrioritizedScheduling(x));
Example4Priorities(os);
os.ActivateScheduler();
cpu.Execute();
cpu.Done = true;
Thread.Sleep(1000);
}
static void FirstComeFirstServedPolicySimpleWithFilesAM(out double avg, out double max)
{
Disk disk = new Disk();
CPU cpu = new CPU(disk);
cpu.Debug = false;
OperatingSystem os = new OperatingSystem(cpu, disk, new FirstComeFirstServedPolicy());
Example4(os);
os.ActivateScheduler();
cpu.Execute();
cpu.Done = true;
Thread.Sleep(1000);
avg = os.AverageTurnaround();
max = os.MaximalStarvation();
}
static void RoundRobinPolicySimpleWithFilesAM(int x, out double avg, out double max)
{
Disk disk = new Disk();
CPU cpu = new CPU(disk);
cpu.Debug = false;
OperatingSystem os = new OperatingSystem(cpu, disk, new RoundRobin(x));
Example4(os);
os.ActivateScheduler();
cpu.Execute();
cpu.Done = true;
Thread.Sleep(1000);
avg = os.AverageTurnaround();
max = os.MaximalStarvation();
}
static bool CompareToExpected(int cProcesses, int iTestType)
{
for (int i = 1; i <= cProcesses; i++)
{
try
{
if (!CompareFiles("ProcessLog." + i + "." + iTestType + ".expected.txt", "ProcessLog." + i + ".txt"))
return false;
}
catch (IOException e)
{
return false;
}
}
return true;
}
static bool CompareFiles(string sFile1, string sFile2)
{
StreamReader sr1 = null, sr2 = null;
try
{
sr1 = new StreamReader(sFile1);
sr2 = new StreamReader(sFile2);
string s1 = sr1.ReadToEnd();
string s2 = sr2.ReadToEnd();
sr1.Close();
sr2.Close();
if (s1 != s2)
{
int t = 9;
}
return s1 == s2;
}
catch(Exception ex)
{
if (sr1 != null)
sr1.Close();
if (sr2 != null)
sr2.Close();
return false;
}
}
static bool WaitForThread(Thread t)
{
t.Join(60000);
if (t.IsAlive)
{
t.Abort();
ProcessConsole.CloseAll();
return false;
}
return true;
}
static StreamWriter sw = null;
static void WriteResults(string sMsg)
{
sw = new StreamWriter("results.txt", true);
sw.Write(sMsg);
sw.Close();
}
static void WriteResultsLine(string sMsg)
{
sw = new StreamWriter("results.txt", true);
sw.WriteLine(sMsg);
sw.Close();
}
static void WriteResultsLine()
{
WriteResultsLine("");
}
static void Main(string[] args)
{
Directory.SetCurrentDirectory("Code files");
sw = new StreamWriter("results.txt");
sw.Close();
IdleTest(sw);
ContextSwitchTest1(sw);
ContextSwitchTest2(sw);
InterruptTest1(sw);
InterruptTest2(sw);
YieldTest(sw);
FirstComeFirstServedTest1(sw);
FirstComeFirstServedTest2(sw);
RoundRobinTest1(sw);
RoundRobinTest2(sw);
RoundRobinTest3(sw);
RoundRobinTest4(sw);
FirstComeFirstServedATAndMaxStarvationTest(sw);
RoundRobinATAndMaxStarvationTest(sw);
}
static public void IdleTest(StreamWriter sr)
{
try
{
Thread t = null;
WriteResults("Idle Test_");
ProcessConsole.Init();
t = new Thread(TestIdle);
t.Start();
if (WaitForThread(t))
{
ProcessConsole.CloseAll();
if (CompareFiles("TerminateOrder.txt", "Idle.expected.txt"))
WriteResults("Succeeded_");
else
WriteResults("Fail_");
}
else
{
WriteResults("Process stuck in loop_");
}
}
catch (Exception ex)
{
WriteResults("Fail - Process throw exception: - " + ex.ToString());
}
WriteResultsLine();
}
static public void ContextSwitchTest1(StreamWriter sr)
{
try
{
Thread t;
WriteResults("Test ContextSwitch method - NUMBER 1_");
ProcessConsole.Init();
t = new Thread(ContextSwitchTest);
t.Start();
if (WaitForThread(t))
{
ProcessConsole.CloseAll();
if (CompareToExpected(6, 1))
{
}
else
{
WriteResults("Wrong processes output_");
WriteResultsLine();
return;
}
if (CompareFiles("TerminateOrder.txt", "TerminateOrder.HighestIndexPolicy.1.expected.txt"))
WriteResults("Succeeded_");
else
WriteResults("Wrong order of process termination_");
}
else
{
WriteResults("Process stuck in loop_");
}
}
catch (Exception ex)
{
WriteResults("Fail - Process throw exception: - " + ex.ToString());
}
WriteResultsLine();
}
static public void ContextSwitchTest2(StreamWriter sr)
{
try
{
Thread t;
WriteResults("Test ContextSwitch method - NUMBER 2_");
ProcessConsole.Init();
t = new Thread(ContextSwitchTest2);
t.Start();
if (WaitForThread(t))
{
ProcessConsole.CloseAll();
if (CompareToExpected(4, 4))
{
}
else
{
WriteResults("Wrong processes output_");
WriteResultsLine();
return;
}
if (CompareFiles("TerminateOrder.txt", "TerminateOrder.HighestIndexPolicy.2.expected.txt"))
WriteResults("Succeeded_");
else
WriteResults("Wrong order of process termination_");
}
else
{
WriteResults("Process stuck in loop_");
}
}
catch (Exception ex)
{
WriteResults("Fail - Process throw exception: - " + ex.ToString());
}
WriteResultsLine();
}
static public void InterruptTest1(StreamWriter sr)
{
try
{
Thread t;
WriteResults("Test Interrupt method - NUMBER 1 (processes access files)_");
ProcessConsole.Init();
t = new Thread(InterruptTest);
t.Start();
if (WaitForThread(t))
{
ProcessConsole.CloseAll();
if (CompareToExpected(6, 2))
{
}
else
{
WriteResults("Wrong processes output_");
WriteResultsLine();
return;
}
if (CompareFiles("TerminateOrder.txt", "TerminateOrder.HighestIndexPolicy.3.expected.txt"))
WriteResults("Succeeded ");
else
WriteResults("Wrong order of process termination_");
}
else
{
WriteResults("Process stuck in loop_");
}
}
catch (Exception ex)
{
WriteResults("Fail - Process throw exception: " + ex.ToString());
}
WriteResultsLine();
}
static public void InterruptTest2(StreamWriter sr)
{
try
{
Thread t;
WriteResults("Test ContextSwitch method - NUMBER 2 (processes access files)_");
ProcessConsole.Init();
t = new Thread(InterruptTest2);
t.Start();
if (WaitForThread(t))
{
ProcessConsole.CloseAll();
if (CompareToExpected(14, 3))
{
}
else
{
WriteResults("Wrong processes output_");
WriteResultsLine();
return;
}
if (CompareFiles("TerminateOrder.txt", "TerminateOrder.HighestIndexPolicy.4.expected.txt"))
WriteResults("Succeeded ");
else
WriteResults("Wrong order of process termination_");
}
else
{
WriteResults("Process stuck in loop_");
}
}
catch (Exception ex)
{
WriteResults("Fail-Process throw exception: " + ex.ToString());
}
WriteResultsLine();
}
static public void YieldTest(StreamWriter sr)
{
try
{
WriteResults("Yield Test_");
Thread t;
ProcessConsole.Init();
t = new Thread(YieldTest);
t.Start();
if (WaitForThread(t))
{
WriteResults("Succeeded_");
}
else
{
WriteResults("Process stuck in loop_");
}
ProcessConsole.CloseAll();
}
catch (Exception ex)
{
WriteResults("Fail - Process throw exception: - " + ex.ToString());
}
WriteResultsLine();
}
static public void FirstComeFirstServedTest1(StreamWriter sr)
{
try
{
Thread t;
WriteResults("Test FirstComeFirstServed Policy - NUMBER 1 (processes dont access files)_");
ProcessConsole.Init();
t = new Thread(FirstComeFirstServedPolicySimpleWithOutFiles);
t.Start();
if (WaitForThread(t))
{
ProcessConsole.CloseAll();
if (CompareToExpected(4, 4))
{
}
else
{
WriteResults("Wrong processes output_");
WriteResultsLine();
return;
}
if (CompareFiles("TerminateOrder.txt", "TerminateOrder.FirstComeFirstServed.1.expected.txt"))
WriteResults("Succeeded_");
else
WriteResults("Wrong order of process termination_");
}
else
{
WriteResults("Process stuck in loop_");
}
}
catch (Exception ex)
{
WriteResults("Fail - Process throw exception: - " + ex.ToString());
}
WriteResultsLine();
}
static public void FirstComeFirstServedTest2(StreamWriter sr)
{
try
{
Thread t;
WriteResults("Test FirstComeFirstServed Policy - NUMBER 2 (processes access files)_");
ProcessConsole.Init();
t = new Thread(FirstComeFirstServedPolicySimpleWithFiles);
t.Start();
if (WaitForThread(t))
{
ProcessConsole.CloseAll();
if (CompareToExpected(14, 3))
{
}
else
{
WriteResults("Wrong processes output_");
WriteResultsLine();
return;
}
if (CompareFiles("TerminateOrder.txt", "TerminateOrder.FirstComeFirstServed.2.expected.txt"))
WriteResults("Succeeded_");
else
WriteResults("Wrong order of process termination_");
}
else
{
WriteResults("Process stuck in loop_");
}
}
catch (Exception ex)
{
WriteResults("Fail - Process throw exception: - " + ex.ToString());
}
WriteResultsLine();
}
static public void RoundRobinTest1(StreamWriter sr)
{
try
{
Thread t;
WriteResults("Test RoundRobin (quantum=2) Policy - NUMBER 1 (processes dont access files)_");
ProcessConsole.Init();
t = new Thread(() => RoundRobinPolicySimpleWithOutFiles(2));
t.Start();
if (WaitForThread(t))
{
ProcessConsole.CloseAll();
if (CompareToExpected(4, 4))
{
}
else
{
WriteResults("Wrong processes output_");
WriteResultsLine();
return;
}
if (CompareFiles("TerminateOrder.txt", "TerminateOrder.RoundRobin.1.expected.txt"))
WriteResults("Succeeded_");
else
{
WriteResults("Wrong order of process termination_");
File.Move("TerminateOrder.txt", "TerminateOrder.RoundRobin.1.actual.txt");
}
}
else
{
WriteResults("Process stuck in loop_");
}
}
catch (Exception ex)
{
WriteResults("Fail - Process throw exception: - " + ex.ToString());
}
WriteResultsLine();
}
static public void RoundRobinTest2(StreamWriter sr)
{
try
{
Thread t;
WriteResults("Test RoundRobin (quantum=7) Policy - NUMBER 2 (processes dont access files)_");
ProcessConsole.Init();
t = new Thread(() => RoundRobinPolicySimpleWithOutFiles(7));
t.Start();
if (WaitForThread(t))
{
ProcessConsole.CloseAll();
if (CompareToExpected(4, 4))
{
}
else
{
WriteResults("Wrong processes output_");
WriteResultsLine();
return;
}
if (CompareFiles("TerminateOrder.txt", "TerminateOrder.RoundRobin.2.expected.txt"))
WriteResults("Succeeded_");
else
{
WriteResults("Wrong order of process termination_");
File.Move("TerminateOrder.txt", "TerminateOrder.RoundRobin.2.actual.txt");
}
}
else
{
WriteResults("Process stuck in loop_");
}
}
catch (Exception ex)
{
WriteResults("Fail - Process throw exception: - " + ex.ToString());
}
WriteResultsLine();
}
static public void RoundRobinTest3(StreamWriter sr)
{
try
{
Thread t;
WriteResults("Test RoundRobin (quantum=2) Policy - NUMBER 3 (processes access files)_");
ProcessConsole.Init();
t = new Thread(() => RoundRobinPolicySimpleWithFiles(2));
t.Start();
if (WaitForThread(t))
{
ProcessConsole.CloseAll();
if (CompareToExpected(14, 3))
{
}
else
{
WriteResults("Wrong processes output_");
WriteResultsLine();
return;
}
if (CompareFiles("TerminateOrder.txt", "TerminateOrder.RoundRobin.3.expected.txt"))
WriteResults("Succeeded_");
else
{
WriteResults("Wrong order of process termination_");
File.Move("TerminateOrder.txt", "TerminateOrder.RoundRobin.3.actual.txt");
}
}
else
{
WriteResults("Process stuck in loop_");
}
}
catch (Exception ex)
{
WriteResults("Fail - Process throw exception: - " + ex.ToString());
}
WriteResultsLine();
}
static public void PriorityTest2(StreamWriter sr)
{
try
{
Thread t;
WriteResults("Test RoundRobin (quantum=7) Policy - NUMBER 2 (processes dont access files)_");
ProcessConsole.Init();
t = new Thread(() => PriorityPolicySimpleWithOutFiles(7));
t.Start();
if (WaitForThread(t))
{
ProcessConsole.CloseAll();
if (CompareToExpected(4, 4))
{
}
else
{
WriteResults("Wrong processes output_");
WriteResultsLine();
return;
}
if (CompareFiles("TerminateOrder.txt", "TerminateOrder.RoundRobin.2.expected.txt"))
WriteResults("Succeeded_");
else
{
WriteResults("Wrong order of process termination_");
File.Move("TerminateOrder.txt", "TerminateOrder.RoundRobin.2.actual.txt");
}
}
else
{
WriteResults("Process stuck in loop_");
}
}
catch (Exception ex)
{
WriteResults("Fail - Process throw exception: - " + ex.ToString());
}
WriteResultsLine();
}
static public void PriorityTest3(StreamWriter sr)
{
try
{
Thread t;
WriteResults("Test RoundRobin (quantum=2) Policy - NUMBER 3 (processes access files)_");
ProcessConsole.Init();
t = new Thread(() => PriorityPolicySimpleWithFiles(2));
t.Start();
if (WaitForThread(t))
{
ProcessConsole.CloseAll();
if (CompareToExpected(14, 3))
{
}
else
{
WriteResults("Wrong processes output_");
WriteResultsLine();
return;
}
if (CompareFiles("TerminateOrder.txt", "TerminateOrder.RoundRobin.3.expected.txt"))
WriteResults("Succeeded_");
else
{
WriteResults("Wrong order of process termination_");
File.Move("TerminateOrder.txt", "TerminateOrder.RoundRobin.3.actual.txt");
}
}
else
{
WriteResults("Process stuck in loop_");
}
}
catch (Exception ex)
{
WriteResults("Fail - Process throw exception: - " + ex.ToString());
}
WriteResultsLine();
}
static public void RoundRobinTest4(StreamWriter sr)
{
try
{
Thread t;
WriteResults("Test RoundRobin (quantum=7) Policy - NUMBER 4 (processes access files)_");
ProcessConsole.Init();
t = new Thread(() => RoundRobinPolicySimpleWithFiles(7));
t.Start();
if (WaitForThread(t))
{
ProcessConsole.CloseAll();
if (CompareToExpected(14, 3))
{
}
else
{
WriteResults("Wrong processes output_");
WriteResultsLine();
return;
}
if (CompareFiles("TerminateOrder.txt", "TerminateOrder.RoundRobin.4.expected.txt"))
WriteResults("Succeeded_");
else
{
WriteResults("Wrong order of process termination_");
File.Move("TerminateOrder.txt", "TerminateOrder.RoundRobin.4.actual.txt");
}
}
else
{
WriteResults("Process stuck in loop_");
}
}
catch (Exception ex)
{
WriteResults("Fail - Process exception: - " + ex.ToString());
}
WriteResultsLine();
}
static public void RoundRobinATAndMaxStarvationTest(StreamWriter sr)
{
double max = 0;
double avg = 0;
try
{
Thread t;
WriteResults("Test AverageTurnaround and MaxStarvation in RoundRobin Policy_");
ProcessConsole.Init();
t = new Thread(() => RoundRobinPolicySimpleWithFilesAM(1, out avg, out max));
t.Start();
if (WaitForThread(t))
{
ProcessConsole.CloseAll();
if (Math.Round(avg - 34788) > 1000)
{
WriteResults("AV Failed_");
WriteResultsLine();
return;
}
if (Math.Round(max - 92) > 10)
WriteResults("MaxStarvation Failed_");
else
WriteResults("Succeeded_");
}
else
{
WriteResults("Process stuck in loop_");
}
}
catch (Exception ex)
{
WriteResults("Fail - Process exception: - " + ex.ToString());
}
WriteResultsLine();
}
static public void FirstComeFirstServedATAndMaxStarvationTest(StreamWriter sr)
{
double max = 0;
double avg = 0;
try
{
WriteResults("Test AT And MaxStarvation in First Come First Served Policy_");
ProcessConsole.Init();
Thread t;
t = new Thread(() => FirstComeFirstServedPolicySimpleWithFilesAM(out avg, out max));
t.Start();
if (WaitForThread(t))
{
ProcessConsole.CloseAll();
if (Math.Round(avg - 27052) > 1000)
{
WriteResults("AV Failed_");
WriteResultsLine();
return;
}
if (Math.Round(max - 49457) > 1000)
WriteResults("MaxStarvation Failed_");
else
WriteResults("Succeeded_");
}
else
{
WriteResults("Process stuck in loop_");
}
}
catch (Exception ex)
{
WriteResults("Fail - Process exception: - " + ex.ToString());
}
WriteResultsLine();
}