def ipv4_subnet_calc(ip_address, subnet_mask, is_subnet_mask_in_bits):
'''
calculates the ipv4 subnet
'''
octets = ip_address.split('.')
for octet in octets:
print(octet)
subnet_active_bits = utils.find_active_bits(subnet_mask,
is_subnet_mask_in_bits)
print(is_subnet_mask_in_bits)
subnet_maxed_octets = utils.find_maxed_octets(subnet_mask,
is_subnet_mask_in_bits)
print(subnet_maxed_octets)
binary_of_active = utils.to_binary_from_active_bits(subnet_active_bits)
binary_of_changing_octet = '0b' + bin(int(
octets[subnet_maxed_octets]))[2:].zfill(8)
binary_list_of_active = utils.convert_binary_string_to_list(
binary_of_active)
binary_list_of_changing_octet = utils.convert_binary_string_to_list(
binary_of_changing_octet)
new_binary_for_changing = '0b'
for i in range(0, 8):
if int(binary_list_of_active[i]) & int(
binary_list_of_changing_octet[i]):
new_binary_for_changing += '1'
else:
new_binary_for_changing += '0'
changed_octet = utils.convert_binary_to_dec(new_binary_for_changing)
new_ip = ''
for octet in octets:
if octets.index(octet) < subnet_maxed_octets:
new_ip += octet + '.'
elif octets.index(octet) == subnet_maxed_octets:
new_ip += str(changed_octet)
else:
new_ip += '.0'
return new_ip
def testFindMaxedOctetsNumberFormMid(self):
result = utils.find_maxed_octets('255.255.192.0', False)
self.assertEquals(result, 2)
def testFindMaxedOctetsNumberFormLow(self):
result = utils.find_maxed_octets('192.0.0.0', False)
self.assertEquals(result, 0)
def testFindMaxedOctetsBitFormMid(self):
result = utils.find_maxed_octets('16', True)
self.assertEquals(result, 2)
def testFindMaxedOctetsBitFormHigh(self):
result = utils.find_maxed_octets('24', True)
self.assertEquals(result, 3)