var.py

import psutil
import re
class VAR():
    """Class for shared variables in multipule threads of main process.

    """

    def __init__(self):

        self.interfaces = []    #network interface list

        # False: Window not closed;
        # True: Window is closed
        self.flag_select = False            # False:no row is chosen, so that scroll bar refreshes;
        # True: have selected a row, so that the scroll bar freezes

        # False:the sniff has not started
        # True: the sniff is running
        self.flag_cancel = False            # False:no row has been cancelled(by right clicking the selected row)
        # True: now row is chosen,so that the scroll bar start refreshing
        self.flag_search = False            # False:haven't activate search yet
        # True: activate search and the scroll bar freezes

        self.list_packet = []               # each original packet
        self.list_tmp = []

        self.tcp_seq = []  # list for tcp reassmebly
        self.ip_seq = {}  # dictionary for ip reassmebly

        self.list_mac = []
        self.mac_dict = {}
        self.mac = ''
        self.dict_time = {}  # capture time dict  packet:time
        self.dict_search={}  # {after search:before search}
        self.dict_mac2name={} #mac:name of mac
        self.dict_expect_tcp_seq={} #(src,dst,sport,dport):(expect seq,syn flag)

        self.list_TsharkInfo=[] #tshark info

        self.last_row=''  #last mouse row
        for i in psutil.net_if_addrs():
            a=re.sub(r'\W+', '', psutil.net_if_addrs()[i][0].address.lower())
            self.dict_mac2name[a]=i