tcpdump.py 文件源码

def read_pcap(path, lfilter=None):
    """Read pcap file and yields packets.

    Args:
        path (str): path to pcap file
        lfilter (function, optional): function to filter returned packets. By
            default all packets will be returned.

    Yields:
        obj: packet
    """
    with scapy.PcapReader(path) as reader:
        for packet in filter(lfilter, reader):
            yield packet