tap_consumer.py

import fcntl
import struct
import os
import requests
from scapy.all import *


TUNSETIFF = 0x400454ca
TUNSETOWNER = TUNSETIFF + 2
IFF_TAP = 0x0002

IFACE = 'tap1'

tun = open('/dev/net/tun', 'r+b', buffering=0)

ifr = struct.pack('16sH', bytes(IFACE, 'utf-8'), IFF_TAP)

fcntl.ioctl(tun, TUNSETIFF, ifr)
fcntl.ioctl(tun, TUNSETOWNER, 1000)

while True:
    packet = os.read(tun.fileno(), 2048)
    frame = Ether(packet)
    frame.show()