def test_is_valid_broadcast_ip(self):
valid_broadcasts = ['255.255.255.255',
'1.1.1.1.255',
'192.168.2.42',
'172.255.255.255',]
for address in INVALID_BROADCASTS:
self.assertIs(utils.is_valid_broadcast_ip(address), False)
for address in valid_broadcasts:
self.assertIs(utils.is_valid_broadcast_ip(address), True)
def send_magic_packet(mac, broadcast='255.255.255.255', dest=None, port=9):
"""Send a "magic packet" to the given destination mac to wakeup
the host, if `dest` is not specified then the packet is broadcasted.
If the `mac` address can't be parsed raise `ValueError`.
If `dest` is not a valid domain name or ip raise `socket.error`.
"""
try:
if not utils.is_valid_broadcast_ip(broadcast):
raise ValueError('Invalid broadcast %s' % broadcast)
except TypeError:
raise ValueError('Invalid broadcast %r' % broadcast)
mac_digits = utils.retrive_MAC_digits(mac)
magic_header = struct.pack('6B', *[0xff] * 6)
magic_body = struct.pack('96B', *[int(d, 16) for d in mac_digits] * 16)
magicpkt = magic_header + magic_body
sok = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sok.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
try:
if dest is None:
sok.connect((broadcast, port))
else:
sok.connect((dest, port))
sok.send(magicpkt)
finally:
sok.close()
def send_magic_packet(mac, broadcast='255.255.255.255', dest=None, port=9):
"""Send a "magic packet" to the given destination mac to wakeup
the host, if `dest` is not specified then the packet is broadcasted.
If the `mac` address can't be parsed raise `ValueError`.
If `dest` is not a valid domain name or ip raise `socket.error`.
"""
try:
if not utils.is_valid_broadcast_ip(broadcast):
raise ValueError('Invalid broadcast %s' % broadcast)
except TypeError:
raise ValueError('Invalid broadcast %r' % broadcast)
mac_digits = utils.retrive_MAC_digits(mac)
magic_header = struct.pack('6B', *[0xff] * 6)
magic_body = struct.pack('96B', *[int(d, 16)
for d in mac_digits] * 16)
magicpkt = magic_header + magic_body
sok = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sok.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
try:
if dest is None:
sok.connect((broadcast, port))
else:
sok.connect((dest, port))
sok.send(magicpkt)
finally:
sok.close()
