rdpcap(filename, count=-1 )
reads a pcap file and returns the list of read packets. If count is positive, only the first count packets are read.
rdpcap("ike.cap") <ike.cap: UDP:45 TCP:0 ICMP:0 Other:0> rdpcap("ike.cap", count=10) <ike.cap: UDP:10 TCP:0 ICMP:0 Other:0>
wrpcap(filename, pkt, linktype=None)
Write a packet or list of packets to a pcap file. linktype can be used to force the link type value written into the file.
wrpcap("my.pcap", packet-list)