def order():
order_coffee()
'9cd21e6c1933': 'cheap_dell'
}
if hasattr(socket, 'AF_PACKET'):
RAW_SOCKET = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(0x0003))
elif hasattr(socket, 'AF_INET'):
RAW_SOCKET = socket.socket(socket.AF_INET, socket.SOCK_RAW, socket.htons(0x0003))
while True:
PACKET = RAW_SOCKET.recvfrom(2048)
ETHERNET_HEADER = PACKET[0][0:14]
ETHERNET_DETAILED = struct.unpack("!6s6s2s", ETHERNET_HEADER)
# skip non-ARP packets
ETHERTYPE = ETHERNET_DETAILED[2]
if ETHERTYPE != '\x08\x06':
continue
# read out data
ARP_HEADER = PACKET[0][14:42]
ARP_DETAILED = struct.unpack("2s2s1s1s2s6s4s6s4s", ARP_HEADER)
SOURCE_MAC = binascii.hexlify(ARP_DETAILED[5])
SOURCE_IP = socket.inet_ntoa(ARP_DETAILED[6])
DEST_IP = socket.inet_ntoa(ARP_DETAILED[8])
if SOURCE_MAC in MACS:
print 'source: ' + MACS[SOURCE_MAC]
if MACS[SOURCE_MAC] == 'coffee_dash':
print 'coffee_dash button fired!'
order_coffee()
else:
print "Unknown MAC " + SOURCE_MAC + " from IP " + SOURCE_IP
