void findSpans(vector <string> &memoryTable,vector <Spans*> &spanVector)
{
resetSpanVector(spanVector);
int sizeofTable = memoryTable.size();
int beginning = -1;
int ending = -1;
bool Bfound = false;
bool Efound = false;
bool allFree = true;
for(int i = 0; i < sizeofTable; i++)
{
if(i == sizeofTable-1 && allFree == true)
{
ending = sizeofTable;
Spans *newSpan = new Spans(beginning,ending,true);
newSpan->setName("free");
spanVector.push_back(newSpan);
Bfound = false;
Efound = false;
}
else if(memoryTable[i] == "free" && Bfound == false)
{
beginning = i;
Bfound = true;
}
else if(memoryTable[i] != "free" && Efound == false)
{
allFree = false;
ending = i-1;
Spans *newSpan = new Spans(beginning,ending,false);
newSpan->setName("free");
spanVector.push_back(newSpan);
Bfound = false;
Efound = false;
}
}
cout << "size: " << spanVector.size() << endl;
/*
Spans* current = NULL;
for(int x = 0; x < signed(spanVector.size());x++)
{
current = spanVector[x];
cout << current->getName() << "\tBeginning: " << current->getBeginning() << " Ending: " << current->getEnding() << endl;
}*/
Sleep(3000);
}
bool firstFit(PCBStruct *newProcess,vector <string> &memoryTable,vector <Spans*> &spanVector)
{
int spacesNeeded = newProcess->getMemoryNeeded();
int sizeOfTable = memoryTable.size();
int sizeOfVector = spanVector.size();
int difference = 0;
int range = 0;
int counter = 0;
Spans* currentSpan = NULL;
for(int a = 0; a < sizeOfVector; a++)
{
currentSpan = spanVector[a];
difference = currentSpan->getEnding() - currentSpan->getBeginning() + 1;
range = currentSpan->getBeginning() + spacesNeeded;
// cout << "needed: " << spacesNeeded << "\tdifference: " << difference << endl;
if(difference >= spacesNeeded)
{
counter = currentSpan->getBeginning();
currentSpan->setName(newProcess->getProcessName());
cout << "255" << endl;
for(int i = currentSpan->getBeginning(); i < range; i++)
{
memoryTable[i] = newProcess->getProcessName();
}
return true;
}
else
{
return false;
}
}
//cout << "259" << endl << endl << endl;
// showMemoryTable(newProcess,memoryTable,spanVector);
}