read pcap file with pypacker

# derived from:
# https://github.com/mike01/pypacker/blob/master/examples/examples.py

from pypacker import ppcap
from pypacker.layer12 import ethernet
from pypacker.layer3 import ip, icmp, ip6
from pypacker.layer4 import udp, tcp

with open("/tmp/test.cap", mode='rb') as f:
    pcap = ppcap.Reader(f)
    for ts, buf in pcap:
        # assume all is ethernet DLT :D
        eth = ethernet.Ethernet(buf)
        if eth[ip.IP] is not None:  # ~ isinstance(eth.body_handler, ip.IP):
            # IP protocol
            o_ip = eth[ip.IP]
            if o_ip[tcp.TCP] is not None:
                # TCP Proto
                print(repr(o_ip[tcp.TCP]))
            elif o_ip[udp.UDP] is not None:
                # UDP Proto
                print(repr(o_ip[udp.UDP]))
            elif o_ip[icmp.ICMP] is not None:
                # ICMP
                print(o_ip[icmp.ICMP])
            else:
                # Whats this, possibly part of fragmented packet
                print("??? -- %s -> %s -- %s" % (o_ip.src_s, o_ip.dst_s, o_ip))

        elif isinstance(eth.body_handler, ip6.IP6):
            # IP6
            print(eth.body_handler)

        else:
            # ???
            print("Uknown data link layer type -- %s" % buf)