用Python dpkt 来解析 pcap ，，，dpktpcap,import pcap,

用Python dpkt 来解析 pcap ，，，dpktpcap,import pcap,

import pcap, dpkt, dnetimport sysclass Readpcap():    def __init__(self):        self.pc = pcap.pcap("aaa.pcap",0,0,False)    def printsocket(self):        while True:            aa = self.pc.next();            if(aa == None):                break            (ti,pkt ) = aa;            ff = dpkt.ethernet.Ethernet(pkt)            if(ff.type != 2048):                continue;            self.ippkt = ff.data;            if self.ippkt.p == 6:                print str(self.ippkt.len)+"\t"+"tcp"            elif self.ippkt.p == 17:                print str(self.ippkt.len)+"\t"+"udp"def test():    mm = Readpcap();    mm.printsocket();if __name__ == '__main__':    test()