public override void Reset(List <Process> _processes)
{
List <Process> copyProcesses = new List <Process>();
foreach (var item in _processes)
{
copyProcesses.Add(new Process(item));
}
allProcesses = new List <Process>(copyProcesses);
unStartedProcesses = new List <Process>(allProcesses);
finishedProcesses = new List <Process>();
currentProcess = null;
isEnded = false;
foreach (var item in allProcesses)
{
item.remainingBurstTime = item.initialBurstTime;
item.endStep = 0;
}
foreach (var queue in queues)
{
queue.Reset(new List <Process>());
}
currentQueue = queues[0];
counter = 0;
}
public override Process Step(int step)
{
this.step = step;
processesToRemove = new List <Process>();
foreach (Process process in unStartedProcesses)
{
if (process.arrivalTime == step)
{
queues[0].processQueue.Enqueue(process);
processesToRemove.Add(process);
}
}
foreach (var process in processesToRemove)
{
unStartedProcesses.Remove(process);
}
int i = 0;
if (currentQueue.currentProcess == null)
{
foreach (var q in queues)
{
if (q.processQueue.Count > 0)
{
counter = i;
currentQueue = q;
q.currentProcess = q.processQueue.Dequeue();
break;
}
i++;
}
}
if (currentQueue.currentProcess != null)
{
if (currentQueue.currentProcess.remainingBurstTime <= 0)
{
currentQueue.currentProcess.endStep = step;
finishedProcesses.Add(currentQueue.currentProcess);
currentQueue.currentProcess = null;
i = 0;
foreach (var q in queues)
{
if (q.processQueue.Count > 0)
{
counter = i;
currentQueue = q;
q.currentProcess = q.processQueue.Dequeue();
q.duration = 0;
break;
}
i++;
}
if (currentQueue.currentProcess == null)
{
if (finishedProcesses.Count == allProcesses.Count)
{
isEnded = true;
}
return(null);
}
}
else if (currentQueue.isQuantumUsed())
{
if (currentQueue == queues[queues.Count - 1])
{
currentQueue.processQueue.Enqueue(currentQueue.currentProcess);
currentQueue.currentProcess = currentQueue.processQueue.Dequeue();
currentQueue.duration = 0;
}
else
{
queues[++counter].processQueue.Enqueue(currentQueue.currentProcess);
currentQueue = queues[counter];
i = 0;
foreach (var q in queues)
{
if (q.processQueue.Count > 0)
{
counter = i;
currentQueue = q;
break;
}
i++;
}
currentQueue.currentProcess = currentQueue.processQueue.Dequeue();
currentQueue.duration = 0;
}
}
currentQueue.currentProcess.remainingBurstTime -= 1;
currentQueue.duration++;
}
return(currentQueue.currentProcess);
}
public override StepResponse Step(int step)
{
bool isPageDemanded = false;
this.step = step;
processesToRemove = new List <Process>();
bool isDemanded = false;
foreach (Process process in unStartedProcesses)
{
if (process.arrivalTime == step)
{
{
queues[0].processQueue.Enqueue(process);
}
processesToRemove.Add(process);
}
}
foreach (var process in processesToRemove)
{
unStartedProcesses.Remove(process);
}
int i = 0;
if (currentQueue.currentProcess == null)
{
foreach (var q in queues)
{
if (q.processQueue.Count > 0)
{
counter = i;
currentQueue = q;
q.currentProcess = q.processQueue.Dequeue();
//FORCE DEMAND
isPageDemanded = ForceDemandPage();
isDemanded = true;
break;
}
i++;
}
}
if (currentQueue.currentProcess != null)
{
if (currentQueue.currentProcess.remainingBurstTime <= 0)
{
currentQueue.currentProcess.endStep = step;
finishedProcesses.Add(currentQueue.currentProcess);
currentQueue.currentProcess = null;
i = 0;
foreach (var q in queues)
{
if (q.processQueue.Count > 0)
{
counter = i;
currentQueue = q;
q.currentProcess = q.processQueue.Dequeue();
//FORCE DEMAND
isPageDemanded = ForceDemandPage();
isDemanded = true;
q.duration = 0;
break;
}
i++;
}
if (currentQueue.currentProcess == null)
{
if (finishedProcesses.Count == allProcesses.Count)
{
isEnded = true;
isDemanded = true;
isPageDemanded = true;
}
return(null);
}
}
else if (currentQueue.isQuantumUsed())
{
Process lastProcess = currentQueue.currentProcess;
if (currentQueue == queues[queues.Count - 1])
{
currentQueue.processQueue.Enqueue(currentQueue.currentProcess);
currentQueue.currentProcess = currentQueue.processQueue.Dequeue();
currentQueue.duration = 0;
}
else
{
queues[++counter].processQueue.Enqueue(currentQueue.currentProcess);
currentQueue = queues[counter];
i = 0;
foreach (var q in queues)
{
if (q.processQueue.Count > 0)
{
counter = i;
currentQueue = q;
break;
}
i++;
}
currentQueue.currentProcess = currentQueue.processQueue.Dequeue();
bool isThisProcessInNextQueueTheSameQueueAsThis = currentQueue.currentProcess == lastProcess;
//FORCE DEMAND
if (!isThisProcessInNextQueueTheSameQueueAsThis)
{
isPageDemanded = ForceDemandPage();
isDemanded = true;
}
currentQueue.duration = 0;
}
}
//CHECK DEMAND
if (!isDemanded)
{
isPageDemanded = CheckAndkDemandPageIfRequired();
}
currentQueue.currentProcess.remainingBurstTime -= 1;
currentQueue.duration++;
}
return(new StepResponse(currentQueue.currentProcess, true, this, isPageDemanded, isEnded));
}