def boot():
global inodes
global availableDisc
f = DiscDriver.openIndexFile()
#Saco la primera linea, solo dice IN: y no es necesaria para nada
f.readline()
# Saco la ubicacion de los inodos y los creo, guardandolos en un hash
for line in f:
line = line.strip()
if(line == "NO:"):
break
inode=Inode(line)
inodes[inode.name]=inode
#Guardo todos los bloques disponibles
availableDisc.extend(f)
f.close()
for filename in DiscDriver.getIndexFiles():
f = open(filename)
availableDisc.extend(f)
f.close()
#Elimino simbolos blancos para evitar futuros problemas
availableDisc=[item.strip() for item in availableDisc]
def __init__(self, filename): self.filename = filename f = DiscDriver.openFile(self.filename) #Extraigo metadata.....Definir bien y eliminar simbolos blancos self.name = self.CleanName(f.readline()) lines = f.readlines() self.available_space_in_last_block = int(lines[1].strip()) self.blocks = lines[2:] f.close() #Limpio self.blocks=[item.strip() for item in self.blocks]
def AddNewElement(self, element): print "AVAILABLE SPACE ", self.available_space_in_last_block if self.available_space_in_last_block <= 0: #CREO NUEVO BLOCK Y LO AGREGO A ESTE INODO new_block = Disc.getFirstAvailableBlock() print "NEW BLOCK", new_block if new_block != -1: self.blocks.append(new_block) DiscDriver.addBlockToFile(self.filename, new_block) self.available_space_in_last_block = 513 else: return False print self.blocks print len(self.blocks) DiscDriver.appendToFile(element, self.blocks[-1]) #CUANTO ES EL TAMAÑO DEL ELEMENTO?!?!?!?!?!?!! self.available_space_in_last_block -= 3 DiscDriver.updateFreeSpaceInInode(self.filename, self.available_space_in_last_block) return True
