def update_inode_table(self, table_inode, inode_number):
     if table_inode:
         table_inode.time_modified = datetime.datetime.now(
         )  #TIME OF MODIFICATION
     array_inode = InodeOps.InodeOperations().convert_table_to_array(
         table_inode)
     MemoryInterface.update_inode_table(array_inode, inode_number)
示例#2
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 def INODE_NUMBER_TO_INODE(self, inode_number):
     array_inode = MemoryInterface.inode_number_to_inode(inode_number)
     inode = InodeOps.InodeOperations().convert_array_to_table(array_inode)
     if inode:
         inode.time_accessed = str(
             datetime.datetime.now())[:19]  #TIME OF ACCESS
     return inode
示例#3
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	def unlink(self, inode_number, parent_inode_number):
		'''WRITE YOUR CODE HERE'''
		error = -1
		inode = self.INODE_NUMBER_TO_INODE(inode_number)
		if(inode == False):
			return error
		parent_inode = self.INODE_NUMBER_TO_INODE(parent_inode_number)
		if(parent_inode == False):
			return error
		#unlinking dir, make sure it is empty, dir inode can only be deleted if its empty
		if inode.type == 1 and len(inode.directory) != 0:
			print("ERROR: cant unlink non empty directory")
			return error
		#if the file is an inode decrement its links
		if inode.type == 0:
			inode.links -=1
			if(inode.links == 0):
				interface.free_data_block(inode,0)
				MemoryInterface.update_inode_table(False, inode_number)
				return parent_inode
		if inode.type == 1:
			interface.free_data_block(inode,0)
			MemoryInterface.update_inode_table(False, inode_number)
			return parent_inode
		array_inode = InodeOps.InodeOperations().convert_table_to_array(inode)		
		MemoryInterface.update_inode_table(array_inode, inode_number)
		return parent_inode
示例#4
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 def INODE_NUMBER_TO_INODE(self, inode_number):
     array_inode = ClientStub.ClientStub().inode_number_to_inode(
         inode_number)
     inode = InodeOps.InodeOperations().convert_array_to_table(array_inode)
     if inode:
         inode.time_accessed = datetime.datetime.now()  #TIME OF ACCESS
     return inode
示例#5
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	def INODE_NUMBER_TO_INODE(self, inode_number):
		#print(inode_number)
		array_inode = MemoryInterface.inode_number_to_inode(inode_number)
		#print("###############")
		#print(array_inode)
		inode = InodeOps.InodeOperations().convert_array_to_table(array_inode)
		#print(inode)
		if inode: inode.time_accessed = datetime.datetime.now()   #TIME OF ACCESS
		return inode